JAL-2844 partitioning code made slightly clearer
[jalview.git] / forester / java / src / org / forester / archaeopteryx / TreePanel.java
index d3a1c38..3b69ded 100644 (file)
@@ -49,6 +49,7 @@ import java.awt.event.MouseEvent;
 import java.awt.event.MouseWheelEvent;
 import java.awt.event.MouseWheelListener;
 import java.awt.font.FontRenderContext;
+import java.awt.font.TextAttribute;
 import java.awt.font.TextLayout;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Arc2D;
@@ -68,6 +69,7 @@ import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URLEncoder;
+import java.text.AttributedString;
 import java.text.DecimalFormat;
 import java.text.DecimalFormatSymbols;
 import java.text.NumberFormat;
@@ -76,12 +78,13 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Hashtable;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.SortedSet;
 
 import javax.swing.BorderFactory;
-import javax.swing.JApplet;
 import javax.swing.JColorChooser;
 import javax.swing.JDialog;
 import javax.swing.JMenuItem;
@@ -98,6 +101,7 @@ import org.forester.archaeopteryx.Options.CLADOGRAM_TYPE;
 import org.forester.archaeopteryx.Options.NODE_LABEL_DIRECTION;
 import org.forester.archaeopteryx.Options.PHYLOGENY_GRAPHICS_TYPE;
 import org.forester.archaeopteryx.phylogeny.data.RenderableDomainArchitecture;
+import org.forester.archaeopteryx.phylogeny.data.RenderableMsaSequence;
 import org.forester.archaeopteryx.phylogeny.data.RenderableVector;
 import org.forester.archaeopteryx.tools.Blast;
 import org.forester.archaeopteryx.tools.ImageLoader;
@@ -111,21 +115,20 @@ import org.forester.phylogeny.data.Accession;
 import org.forester.phylogeny.data.Annotation;
 import org.forester.phylogeny.data.BranchColor;
 import org.forester.phylogeny.data.Confidence;
+import org.forester.phylogeny.data.DomainArchitecture;
 import org.forester.phylogeny.data.Event;
-import org.forester.phylogeny.data.NodeData.NODE_DATA;
+import org.forester.phylogeny.data.NodeDataField;
 import org.forester.phylogeny.data.NodeVisualData;
 import org.forester.phylogeny.data.NodeVisualData.NodeFill;
 import org.forester.phylogeny.data.NodeVisualData.NodeShape;
 import org.forester.phylogeny.data.PhylogenyDataUtil;
-import org.forester.phylogeny.data.PropertiesMap;
-import org.forester.phylogeny.data.Property;
+import org.forester.phylogeny.data.ProteinDomain;
 import org.forester.phylogeny.data.Sequence;
 import org.forester.phylogeny.data.SequenceRelation;
 import org.forester.phylogeny.data.Taxonomy;
 import org.forester.phylogeny.data.Uri;
 import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
 import org.forester.phylogeny.iterators.PreorderTreeIterator;
-import org.forester.util.BasicDescriptiveStatistics;
 import org.forester.util.DescriptiveStatistics;
 import org.forester.util.ForesterConstants;
 import org.forester.util.ForesterUtil;
@@ -134,125 +137,222 @@ import org.forester.util.TaxonomyUtil;
 
 public final class TreePanel extends JPanel implements ActionListener, MouseWheelListener, Printable {
 
-    final static Cursor                  ARROW_CURSOR                                       = Cursor.getPredefinedCursor( Cursor.DEFAULT_CURSOR );
-    final static Cursor                  CUT_CURSOR                                         = Cursor.getPredefinedCursor( Cursor.CROSSHAIR_CURSOR );
-    final static Cursor                  HAND_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.HAND_CURSOR );
-    final static Cursor                  MOVE_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.MOVE_CURSOR );
-    final static Cursor                  WAIT_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.WAIT_CURSOR );
-    final private static double          _180_OVER_PI                                       = 180.0 / Math.PI;
-    private static final float           ANGLE_ROTATION_UNIT                                = ( float ) ( Math.PI / 32 );
-    private final static int             CONFIDENCE_LEFT_MARGIN                             = 4;
-    private final static int             EURO_D                                             = 10;
-    private final static NumberFormat    FORMATTER_BRANCH_LENGTH;
-    private final static NumberFormat    FORMATTER_CONFIDENCE;
-    private static final float           HALF_PI                                            = ( float ) ( Math.PI / 2.0 );
-    private final static int             LIMIT_FOR_HQ_RENDERING                             = 2000;
-    private final static int             MAX_NODE_FRAMES                                    = 10;
-    private final static int             MAX_SUBTREES                                       = 100;
-    private final static int             MIN_ROOT_LENGTH                                    = 3;
-    private final static int             MOVE                                               = 20;
-    private final static String          NODE_POPMENU_NODE_CLIENT_PROPERTY                  = "node";
-    private static final float           ONEHALF_PI                                         = ( float ) ( 1.5 * Math.PI );
-    private static final short           OV_BORDER                                          = 10;
-    private final static double          OVERVIEW_FOUND_NODE_BOX_SIZE                       = 2;
-    private final static double          OVERVIEW_FOUND_NODE_BOX_SIZE_HALF                  = 1;
-    private static final float           PI                                                 = ( float ) ( Math.PI );
-    final private static Font            POPUP_FONT                                         = new Font( Configuration.getDefaultFontFamilyName(),
-                                                                                                        Font.PLAIN,
-                                                                                                        12 );
-    private static final float           ROUNDED_D                                          = 8;
-    private final static long            serialVersionUID                                   = -978349745916505029L;
-    private static final BasicStroke     STROKE_005                                         = new BasicStroke( 0.05f );
-    private static final BasicStroke     STROKE_01                                          = new BasicStroke( 0.1f );
-    private static final BasicStroke     STROKE_025                                         = new BasicStroke( 0.25f );
-    private static final BasicStroke     STROKE_05                                          = new BasicStroke( 0.5f );
-    private static final BasicStroke     STROKE_075                                         = new BasicStroke( 0.75f );
-    private static final BasicStroke     STROKE_1                                           = new BasicStroke( 1f );
-    private static final BasicStroke     STROKE_2                                           = new BasicStroke( 2f );
-    private static final double          TWO_PI                                             = 2 * Math.PI;
-    private final static int             WIGGLE                                             = 2;
-    HashMap<Long, Short>                 _nodeid_dist_to_leaf                               = new HashMap<Long, Short>();
-    final private Arc2D                  _arc                                               = new Arc2D.Double();
-    private AffineTransform              _at;
-    private int                          _circ_max_depth;
-    final private Set<Long>              _collapsed_external_nodeid_set                     = new HashSet<Long>();
-    private JColorChooser                _color_chooser                                     = null;
-    private Configuration                _configuration                                     = null;
-    private ControlPanel                 _control_panel                                     = null;
-    private final CubicCurve2D           _cubic_curve                                       = new CubicCurve2D.Float();
-    private Set<Long>                    _current_external_nodes                            = null;
-    private StringBuilder                _current_external_nodes_data_buffer                = new StringBuilder();
-    private int                          _current_external_nodes_data_buffer_change_counter = 0;
-    private int                          _domain_structure_e_value_thr_exp                  = Constants.DOMAIN_STRUCTURE_E_VALUE_THR_DEFAULT_EXP;
-    private double                       _domain_structure_width                            = Constants.DOMAIN_STRUCTURE_DEFAULT_WIDTH;
-    private int                          _dynamic_hiding_factor                             = 0;
-    private boolean                      _edited                                            = false;
-    private final Ellipse2D              _ellipse                                           = new Ellipse2D.Float();
-    private int                          _external_node_index                               = 0;
-    private Set<Long>                    _found_nodes_0                                     = null;
-    private Set<Long>                    _found_nodes_1                                     = null;
-    private final FontRenderContext      _frc                                               = new FontRenderContext( null,
-                                                                                                                     false,
-                                                                                                                     false );
-    private PHYLOGENY_GRAPHICS_TYPE      _graphics_type                                     = PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR;
-    private PhylogenyNode                _highlight_node                                    = null;
-    private boolean                      _in_ov                                             = false;
-    private boolean                      _in_ov_rect                                        = false;
-    private float                        _last_drag_point_x                                 = 0;
-    private float                        _last_drag_point_y                                 = 0;
-    private final Line2D                 _line                                              = new Line2D.Float();
-    private int                          _longest_ext_node_info                             = 0;
-    private MainPanel                    _main_panel                                        = null;
-    private double                       _max_distance_to_root                              = -1;
-    private Popup                        _node_desc_popup;
-    private int                          _node_frame_index                                  = 0;
-    private final NodeFrame[]            _node_frames                                       = new NodeFrame[ TreePanel.MAX_NODE_FRAMES ];
-    private JPopupMenu                   _node_popup_menu                                   = null;
-    private JMenuItem                    _node_popup_menu_items[]                           = null;
-    private PhylogenyNode[]              _nodes_in_preorder                                 = null;
-    private Options                      _options                                           = null;
-    private float                        _ov_max_height                                     = 0;
-    private float                        _ov_max_width                                      = 0;
-    private boolean                      _ov_on                                             = false;
-    private final Rectangle2D            _ov_rectangle                                      = new Rectangle2D.Float();
-    private final Rectangle              _ov_virtual_rectangle                              = new Rectangle();
-    private float                        _ov_x_correction_factor                            = 0.0f;
-    private float                        _ov_x_distance                                     = 0;
-    private int                          _ov_x_position                                     = 0;
-    private float                        _ov_y_distance                                     = 0;
-    private int                          _ov_y_position                                     = 0;
-    private int                          _ov_y_start                                        = 0;
-    private final boolean                _phy_has_branch_lengths;
-    private Phylogeny                    _phylogeny                                         = null;
-    private final Path2D.Float           _polygon                                           = new Path2D.Float();
-    private final StringBuffer           _popup_buffer                                      = new StringBuffer();
-    private final QuadCurve2D            _quad_curve                                        = new QuadCurve2D.Float();
-    private Sequence                     _query_sequence                                    = null;
-    private final Rectangle2D            _rectangle                                         = new Rectangle2D.Float();
-    private final RenderingHints         _rendering_hints                                   = new RenderingHints( RenderingHints.KEY_RENDERING,
-                                                                                                                  RenderingHints.VALUE_RENDER_DEFAULT );
-    private JTextArea                    _rollover_popup;
-    private PhylogenyNode                _root;
-    private final StringBuilder          _sb                                                = new StringBuilder();
-    private double                       _scale_distance                                    = 0.0;
-    private String                       _scale_label                                       = null;
-    // expression values menu:
-    private DescriptiveStatistics        _statistics_for_vector_data;
-    private final Phylogeny[]            _sub_phylogenies                                   = new Phylogeny[ TreePanel.MAX_SUBTREES ];
-    private final PhylogenyNode[]        _sub_phylogenies_temp_roots                        = new PhylogenyNode[ TreePanel.MAX_SUBTREES ];
-    private int                          _subtree_index                                     = 0;
-    private File                         _treefile                                          = null;
-    private float                        _urt_factor                                        = 1;
-    private float                        _urt_factor_ov                                     = 1;
-    final private HashMap<Long, Double>  _urt_nodeid_angle_map                              = new HashMap<Long, Double>();
-    final private HashMap<Long, Integer> _urt_nodeid_index_map                              = new HashMap<Long, Integer>();
-    private double                       _urt_starting_angle                                = ( float ) ( Math.PI / 2 );
-    private float                        _x_correction_factor                               = 0.0f;
-    private float                        _x_distance                                        = 0.0f;
-    private float                        _y_distance                                        = 0.0f;
-    //  private Image                           offscreenImage;
-    //  private Graphics                        offscreenGraphics;
-    //  private Dimension                       offscreenDimension;
+    final private class NodeColorizationActionListener implements ActionListener {
+
+        List<PhylogenyNode> _additional_nodes = null;
+        JColorChooser       _chooser          = null;
+        PhylogenyNode       _node             = null;
+
+        NodeColorizationActionListener( final JColorChooser chooser, final PhylogenyNode node ) {
+            _chooser = chooser;
+            _node = node;
+        }
+
+        NodeColorizationActionListener( final JColorChooser chooser,
+                                        final PhylogenyNode node,
+                                        final List<PhylogenyNode> additional_nodes ) {
+            _chooser = chooser;
+            _node = node;
+            _additional_nodes = additional_nodes;
+        }
+
+        @Override
+        public void actionPerformed( final ActionEvent e ) {
+            final Color c = _chooser.getColor();
+            if ( c != null ) {
+                colorizeNodes( c, _node, _additional_nodes );
+            }
+        }
+    }
+
+    final private class SubtreeColorizationActionListener implements ActionListener {
+
+        List<PhylogenyNode> _additional_nodes = null;
+        JColorChooser       _chooser          = null;
+        PhylogenyNode       _node             = null;
+
+        SubtreeColorizationActionListener( final JColorChooser chooser, final PhylogenyNode node ) {
+            _chooser = chooser;
+            _node = node;
+        }
+
+        SubtreeColorizationActionListener( final JColorChooser chooser,
+                                           final PhylogenyNode node,
+                                           final List<PhylogenyNode> additional_nodes ) {
+            _chooser = chooser;
+            _node = node;
+            _additional_nodes = additional_nodes;
+        }
+
+        @Override
+        public void actionPerformed( final ActionEvent e ) {
+            final Color c = _chooser.getColor();
+            if ( c != null ) {
+                colorizeSubtree( c, _node, _additional_nodes );
+            }
+        }
+    }
+    public final static boolean           SPECIAL_DOMAIN_COLORING                            = true;
+    final static Cursor                   ARROW_CURSOR                                       = Cursor
+            .getPredefinedCursor( Cursor.DEFAULT_CURSOR );
+    final static Cursor                   CUT_CURSOR                                         = Cursor
+            .getPredefinedCursor( Cursor.CROSSHAIR_CURSOR );
+    final static Cursor                   HAND_CURSOR                                        = Cursor
+            .getPredefinedCursor( Cursor.HAND_CURSOR );
+    final static Cursor                   MOVE_CURSOR                                        = Cursor
+            .getPredefinedCursor( Cursor.MOVE_CURSOR );
+    final static Cursor                   WAIT_CURSOR                                        = Cursor
+            .getPredefinedCursor( Cursor.WAIT_CURSOR );
+    final private static double           _180_OVER_PI                                       = 180.0 / Math.PI;
+    private static final float            ANGLE_ROTATION_UNIT                                = ( float ) ( Math.PI
+            / 32 );
+    private final static int              CONFIDENCE_LEFT_MARGIN                             = 4;
+    private final static int              EURO_D                                             = 10;
+    private final static NumberFormat     FORMATTER_BRANCH_LENGTH;
+    private final static NumberFormat     FORMATTER_CONFIDENCE;
+    private static final float            HALF_PI                                            = ( float ) ( Math.PI
+            / 2.0 );
+    private final static int              LIMIT_FOR_HQ_RENDERING                             = 2000;
+    private final static int              MAX_NODE_FRAMES                                    = 10;
+    private final static int              MAX_SUBTREES                                       = 100;
+    private final static int              MIN_ROOT_LENGTH                                    = 3;
+    private final static int              MOVE                                               = 20;
+    private final static String           NODE_POPMENU_NODE_CLIENT_PROPERTY                  = "node";
+    private static final float            ONEHALF_PI                                         = ( float ) ( 1.5
+            * Math.PI );
+    private static final short            OV_BORDER                                          = 10;
+    private final static double           OVERVIEW_FOUND_NODE_BOX_SIZE                       = 2;
+    private final static double           OVERVIEW_FOUND_NODE_BOX_SIZE_HALF                  = 1;
+    private static final float            PI                                                 = ( float ) ( Math.PI );
+    final private static Font             POPUP_FONT                                         = new Font( Configuration
+            .getDefaultFontFamilyName(), Font.PLAIN, 12 );
+    private static final float            ROUNDED_D                                          = 8;
+    private final static long             serialVersionUID                                   = -978349745916505029L;
+    private static final BasicStroke      STROKE_0025                                        = new BasicStroke( 0.025f );
+    private static final BasicStroke      STROKE_005                                         = new BasicStroke( 0.05f );
+    private static final BasicStroke      STROKE_01                                          = new BasicStroke( 0.1f );
+    private static final BasicStroke      STROKE_025                                         = new BasicStroke( 0.25f );
+    private static final BasicStroke      STROKE_05                                          = new BasicStroke( 0.5f );
+    private static final BasicStroke      STROKE_075                                         = new BasicStroke( 0.75f );
+    private static final BasicStroke      STROKE_1                                           = new BasicStroke( 1f );
+    private static final BasicStroke      STROKE_2                                           = new BasicStroke( 2f );
+    private static final BasicStroke      STROKE_01_DASHED                                   = new BasicStroke( 0.1f,
+                                                                                                                BasicStroke.CAP_SQUARE,
+                                                                                                                BasicStroke.JOIN_ROUND,
+                                                                                                                0,
+                                                                                                                new float[] {
+                                                                                                                        2.0f },
+                                                                                                                0f );
+    private static final BasicStroke      STROKE_005_DASHED                                  = new BasicStroke( 0.05f,
+                                                                                                                BasicStroke.CAP_SQUARE,
+                                                                                                                BasicStroke.JOIN_ROUND,
+                                                                                                                0,
+                                                                                                                new float[] {
+                                                                                                                        2.0f },
+                                                                                                                0f );
+    private static final BasicStroke      STROKE_001_DASHED                                  = new BasicStroke( 0.01f,
+                                                                                                                BasicStroke.CAP_SQUARE,
+                                                                                                                BasicStroke.JOIN_ROUND,
+                                                                                                                0,
+                                                                                                                new float[] {
+                                                                                                                        2.0f },
+                                                                                                                0f );
+    private static final double           TWO_PI                                             = 2 * Math.PI;
+    private final static int              WIGGLE                                             = 3;
+    private static final String           SHOW_ONLY_THIS_CONF_TYPE                           = null;                                                     //TODO remove me
+    HashMap<Long, Short>                  _nodeid_dist_to_leaf                               = new HashMap<Long, Short>();
+    final private Arc2D                   _arc                                               = new Arc2D.Double();
+    private AffineTransform               _at;
+    private int                             _clicked_x;
+    private int                           _circ_max_depth;
+    final private Set<Long>               _collapsed_external_nodeid_set                     = new HashSet<Long>();
+    private JColorChooser                 _color_chooser                                     = null;
+    private Configuration                 _configuration                                     = null;
+    private ControlPanel                  _control_panel                                     = null;
+    private final CubicCurve2D            _cubic_curve                                       = new CubicCurve2D.Float();
+    private Set<Long>                     _current_external_nodes                            = null;
+    private StringBuilder                 _current_external_nodes_data_buffer                = new StringBuilder();
+    private int                           _current_external_nodes_data_buffer_change_counter = 0;
+    private int                           _domain_structure_e_value_thr_exp                  = AptxConstants.DOMAIN_STRUCTURE_E_VALUE_THR_DEFAULT_EXP;
+    private double                        _domain_structure_width                            = AptxConstants.DOMAIN_STRUCTURE_DEFAULT_WIDTH;
+    private int                           _dynamic_hiding_factor                             = 0;
+    private boolean                       _edited                                            = false;
+    private final Ellipse2D               _ellipse                                           = new Ellipse2D.Float();
+    private int                           _external_node_index                               = 0;
+    private Set<Long>                     _found_nodes_0                                     = null;
+    private Set<Long>                     _found_nodes_1                                     = null;
+    private final FontRenderContext       _frc                                               = new FontRenderContext( null,
+                                                                                                                      false,
+                                                                                                                      false );
+    private float                           _furthest_node_x;
+    private PHYLOGENY_GRAPHICS_TYPE       _graphics_type                                     = PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR;
+    private PhylogenyNode                 _highlight_node                                    = null;
+    private boolean                       _in_ov                                             = false;
+    private boolean                       _in_ov_rect                                        = false;
+    private float                         _last_drag_point_x                                 = 0;
+    private float                         _last_drag_point_y                                 = 0;
+    private final Line2D                  _line                                              = new Line2D.Float();
+    private int                           _longest_ext_node_info                             = 0;
+    private PhylogenyNode                 _ext_node_with_longest_txt_info                    = null;
+    private MainPanel                     _main_panel                                        = null;
+    private double                        _max_distance_to_root                              = -1;
+    private Popup                         _node_desc_popup;
+    private int                           _node_frame_index                                  = 0;
+    private final NodeFrame[]             _node_frames                                       = new NodeFrame[ TreePanel.MAX_NODE_FRAMES ];
+    private JPopupMenu                    _node_popup_menu                                   = null;
+    private JMenuItem                     _node_popup_menu_items[]                           = null;
+    private PhylogenyNode[]               _nodes_in_preorder                                 = null;
+    private Options                       _options                                           = null;
+    private float                         _ov_max_height                                     = 0;
+    private float                         _ov_max_width                                      = 0;
+    private boolean                       _ov_on                                             = false;
+    private final Rectangle2D             _ov_rectangle                                      = new Rectangle2D.Float();
+    private final Rectangle               _ov_virtual_rectangle                              = new Rectangle();
+    private float                         _ov_x_correction_factor                            = 0.0f;
+    private float                         _ov_x_distance                                     = 0;
+    private int                           _ov_x_position                                     = 0;
+    private float                         _ov_y_distance                                     = 0;
+    private int                           _ov_y_position                                     = 0;
+    private int                           _ov_y_start                                        = 0;
+    private boolean                     _partition_tree                                     = false;
+    private float                            _partition_threshold                           = 0;
+    private final boolean                 _phy_has_branch_lengths;
+    private Phylogeny                     _phylogeny                                         = null;
+    private final Path2D.Float            _polygon                                           = new Path2D.Float();
+    private final StringBuffer            _popup_buffer                                      = new StringBuffer();
+    private final QuadCurve2D             _quad_curve                                        = new QuadCurve2D.Float();
+    private Sequence                      _query_sequence                                    = null;
+    private final Rectangle2D             _rectangle                                         = new Rectangle2D.Float();
+    private final RenderingHints          _rendering_hints                                   = new RenderingHints( RenderingHints.KEY_RENDERING,
+                                                                                                                   RenderingHints.VALUE_RENDER_DEFAULT );
+    private JTextArea                     _rollover_popup;
+    private PhylogenyNode                 _root;
+    private float                           _root_x;
+    private final StringBuilder           _sb                                                = new StringBuilder();
+    private double                        _scale_distance                                    = 0.0;
+    private String                        _scale_label                                       = null;
+    private DescriptiveStatistics         _statistics_for_vector_data;
+    private final Phylogeny[]             _sub_phylogenies                                   = new Phylogeny[ TreePanel.MAX_SUBTREES ];
+    private final PhylogenyNode[]         _sub_phylogenies_temp_roots                        = new PhylogenyNode[ TreePanel.MAX_SUBTREES ];
+    private int                           _subtree_index                                     = 0;
+    private File                          _treefile                                          = null;
+    private float                         _urt_factor                                        = 1;
+    private float                         _urt_factor_ov                                     = 1;
+    final private HashMap<Long, Double>   _urt_nodeid_angle_map                              = new HashMap<Long, Double>();
+    final private HashMap<Long, Integer>  _urt_nodeid_index_map                              = new HashMap<Long, Integer>();
+    private double                        _urt_starting_angle                                = ( float ) ( Math.PI
+            / 2 );
+    private float                         _x_correction_factor                               = 0.0f;
+    private float                         _x_distance                                        = 0.0f;
+    private float                         _y_distance                                        = 0.0f;
+    private int                           _length_of_longest_text;
+    private int                           _longest_domain;
+    private Map<String, AttributedString> _attributed_string_map                             = null;
+    private int                           _depth_collapse_level                              = -1;
+    private int                           _rank_collapse_level                               = -1;
+
+
+
     static {
         final DecimalFormatSymbols dfs = new DecimalFormatSymbols();
         dfs.setDecimalSeparator( '.' );
@@ -288,7 +388,6 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         init();
         // if ( !_phylogeny.isEmpty() ) {
         _phylogeny.recalculateNumberOfExternalDescendants( true );
-        checkForVectorProperties( _phylogeny );
         // }
         setBackground( getTreeColorSet().getBackgroundColor() );
         final MouseListener mouse_listener = new MouseListener( this );
@@ -297,8 +396,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         addMouseWheelListener( this );
         calculateScaleDistance();
         FORMATTER_CONFIDENCE.setMaximumFractionDigits( configuration.getNumberOfDigitsAfterCommaForConfidenceValues() );
-        FORMATTER_BRANCH_LENGTH.setMaximumFractionDigits( configuration
-                .getNumberOfDigitsAfterCommaForBranchLengthValues() );
+        FORMATTER_BRANCH_LENGTH
+                .setMaximumFractionDigits( configuration.getNumberOfDigitsAfterCommaForBranchLengthValues() );
     }
 
     @Override
@@ -330,14 +429,18 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
     }
 
     /**
-     * Get a pointer to the phylogeny 
-     * 
+     * Get a pointer to the phylogeny
+     *
      * @return a pointer to the phylogeny
      */
     public final Phylogeny getPhylogeny() {
         return _phylogeny;
     }
 
+    public final TreeColorSet getTreeColorSet() {
+        return getMainPanel().getTreeColorSet();
+    }
+
     @Override
     final public void mouseWheelMoved( final MouseWheelEvent e ) {
         final int notches = e.getWheelRotation();
@@ -353,14 +456,31 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 repaint();
             }
         }
-        if ( e.isControlDown() ) {
+        if ( e.isControlDown() && e.isShiftDown() ) {
             if ( notches < 0 ) {
                 getTreeFontSet().increaseFontSize();
-                getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
             else {
                 getTreeFontSet().decreaseFontSize( 1, false );
-                getControlPanel().displayedPhylogenyMightHaveChanged( true );
+            }
+            getControlPanel().displayedPhylogenyMightHaveChanged( true );
+            resetPreferredSize();
+            updateOvSizes();
+            repaint();
+        }
+        else if ( e.isShiftDown() && e.isAltDown() ) {
+            if ( notches < 0 ) {
+                for( int i = 0; i < ( -notches ); ++i ) {
+                    getControlPanel().zoomInX( AptxConstants.WHEEL_ZOOM_IN_FACTOR, AptxConstants.WHEEL_ZOOM_IN_FACTOR );
+                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
+                }
+            }
+            else {
+                for( int i = 0; i < notches; ++i ) {
+                    getControlPanel().zoomOutX( AptxConstants.WHEEL_ZOOM_OUT_FACTOR,
+                                                AptxConstants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
+                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
+                }
             }
         }
         else if ( e.isShiftDown() ) {
@@ -385,13 +505,13 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             else {
                 if ( notches < 0 ) {
                     for( int i = 0; i < ( -notches ); ++i ) {
-                        getControlPanel().zoomInY( Constants.WHEEL_ZOOM_IN_FACTOR );
+                        getControlPanel().zoomInY( AptxConstants.WHEEL_ZOOM_IN_FACTOR );
                         getControlPanel().displayedPhylogenyMightHaveChanged( false );
                     }
                 }
                 else {
                     for( int i = 0; i < notches; ++i ) {
-                        getControlPanel().zoomOutY( Constants.WHEEL_ZOOM_OUT_FACTOR );
+                        getControlPanel().zoomOutY( AptxConstants.WHEEL_ZOOM_OUT_FACTOR );
                         getControlPanel().displayedPhylogenyMightHaveChanged( false );
                     }
                 }
@@ -400,17 +520,17 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         else {
             if ( notches < 0 ) {
                 for( int i = 0; i < ( -notches ); ++i ) {
-                    getControlPanel().zoomInX( Constants.WHEEL_ZOOM_IN_FACTOR,
-                                               Constants.WHEEL_ZOOM_IN_X_CORRECTION_FACTOR );
-                    getControlPanel().zoomInY( Constants.WHEEL_ZOOM_IN_FACTOR );
+                    getControlPanel().zoomInX( AptxConstants.WHEEL_ZOOM_IN_FACTOR,
+                                               AptxConstants.WHEEL_ZOOM_IN_X_CORRECTION_FACTOR );
+                    getControlPanel().zoomInY( AptxConstants.WHEEL_ZOOM_IN_FACTOR );
                     getControlPanel().displayedPhylogenyMightHaveChanged( false );
                 }
             }
             else {
                 for( int i = 0; i < notches; ++i ) {
-                    getControlPanel().zoomOutY( Constants.WHEEL_ZOOM_OUT_FACTOR );
-                    getControlPanel().zoomOutX( Constants.WHEEL_ZOOM_OUT_FACTOR,
-                                                Constants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
+                    getControlPanel().zoomOutY( AptxConstants.WHEEL_ZOOM_OUT_FACTOR );
+                    getControlPanel().zoomOutX( AptxConstants.WHEEL_ZOOM_OUT_FACTOR,
+                                                AptxConstants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
                     getControlPanel().displayedPhylogenyMightHaveChanged( false );
                 }
             }
@@ -422,20 +542,9 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
 
     @Override
     final public void paintComponent( final Graphics g ) {
-        // Dimension currentSize = getSize();
-        //  if ( offscreenImage == null || !currentSize.equals( offscreenDimension ) ) {
-        // call the 'java.awt.Component.createImage(...)' method to get an
-        // image
-        //   offscreenImage = createImage( currentSize.width, currentSize.height );
-        //  offscreenGraphics = offscreenImage.getGraphics();
-        //  offscreenDimension = currentSize;
-        // }
-        // super.paintComponent( g ); //why?
-        //final Graphics2D g2d = ( Graphics2D ) offscreenGraphics;
         final Graphics2D g2d = ( Graphics2D ) g;
         g2d.setRenderingHints( _rendering_hints );
         paintPhylogeny( g2d, false, false, 0, 0, 0, 0 );
-        //g.drawImage( offscreenImage, 0, 0, this );
     }
 
     @Override
@@ -464,7 +573,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
 
     /**
      * Set a phylogeny tree.
-     * 
+     *
      * @param t
      *            an instance of a Phylogeny
      */
@@ -483,5343 +592,5814 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         paint( g );
     }
 
-    final void calcMaxDepth() {
-        if ( _phylogeny != null ) {
-            _circ_max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
-        }
-    }
-
-    /**
-     * Set parameters for printing the displayed tree
-     * 
-     */
-    final void calcParametersForPainting( final int x, final int y, final boolean recalc_longest_ext_node_info ) {
-        // updateStyle(); not needed?
-        if ( ( _phylogeny != null ) && !_phylogeny.isEmpty() ) {
-            initNodeData();
-            if ( recalc_longest_ext_node_info ) {
-                calculateLongestExtNodeInfo();
-                if ( getOptions().isAllowFontSizeChange() ) {
-                    if ( ( getLongestExtNodeInfo() > ( x * 0.6 ) )
-                            && ( getTreeFontSet().getLargeFont().getSize() > 2 + TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) {
-                        while ( ( getLongestExtNodeInfo() > ( x * 0.7 ) )
-                                && ( getTreeFontSet().getLargeFont().getSize() > 2 ) ) {
-                            getMainPanel().getTreeFontSet().decreaseFontSize( getConfiguration().getMinBaseFontSize(),
-                                                                              true );
-                            calculateLongestExtNodeInfo();
-                        }
-                    }
-                    else {
-                        while ( ( getLongestExtNodeInfo() < ( x * 0.6 ) )
-                                && ( getTreeFontSet().getLargeFont().getSize() <= getTreeFontSet().getLargeFontMemory()
-                                        .getSize() - TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) {
-                            getMainPanel().getTreeFontSet().increaseFontSize();
-                            calculateLongestExtNodeInfo();
-                        }
-                    }
-                }
-            }
-            int ext_nodes = _phylogeny.getRoot().getNumberOfExternalNodes();
-            final int max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
-            if ( ext_nodes == 1 ) {
-                ext_nodes = max_depth;
-                if ( ext_nodes < 1 ) {
-                    ext_nodes = 1;
-                }
-            }
-            updateOvSizes();
-            float xdist = 0;
-            float ov_xdist = 0;
-            if ( !isNonLinedUpCladogram() && !isUniformBranchLengthsForCladogram() ) {
-                xdist = ( float ) ( ( x - getLongestExtNodeInfo() - TreePanel.MOVE ) / ( ext_nodes + 3.0 ) );
-                ov_xdist = ( float ) ( getOvMaxWidth() / ( ext_nodes + 3.0 ) );
-            }
-            else {
-                xdist = ( ( x - getLongestExtNodeInfo() - TreePanel.MOVE ) / ( max_depth + 1 ) );
-                ov_xdist = ( getOvMaxWidth() / ( max_depth + 1 ) );
-            }
-            float ydist = ( float ) ( ( y - TreePanel.MOVE ) / ( ext_nodes * 2.0 ) );
-            if ( xdist < 0.0 ) {
-                xdist = 0.0f;
-            }
-            if ( ov_xdist < 0.0 ) {
-                ov_xdist = 0.0f;
-            }
-            if ( ydist < 0.0 ) {
-                ydist = 0.0f;
-            }
-            setXdistance( xdist );
-            setYdistance( ydist );
-            setOvXDistance( ov_xdist );
-            final double height = _phylogeny.getHeight();
-            if ( height > 0 ) {
-                final float corr = ( float ) ( ( x - TreePanel.MOVE - getLongestExtNodeInfo() - getXdistance() ) / height );
-                setXcorrectionFactor( corr > 0 ? corr : 0 );
-                final float ov_corr = ( float ) ( ( getOvMaxWidth() - getOvXDistance() ) / height );
-                setOvXcorrectionFactor( ov_corr > 0 ? ov_corr : 0 );
-            }
-            else {
-                setXcorrectionFactor( 0 );
-                setOvXcorrectionFactor( 0 );
-            }
-            _circ_max_depth = max_depth;
-            setUpUrtFactor();
-            //
-            if ( getOptions().isAllowFontSizeChange() ) {
-                if ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
-                        && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
-                    //                int dynamic_hiding_factor = calcDynamicHidingFactor();
-                    //                if ( dynamic_hiding_factor > 1 ) {
-                    //                    while ( dynamic_hiding_factor > 1
-                    //                            && getTreeFontSet()._fm_large.getHeight() > TreeFontSet.SMALL_FONTS_BASE ) {
-                    //                        getTreeFontSet().decreaseFontSize( 1, true );
-                    //                        dynamic_hiding_factor = calcDynamicHidingFactor();
-                    //                    }
-                    //                }
-                    //                else if ( getTreeFontSet().isDecreasedSizeBySystem() ) {
-                    //                    while ( dynamic_hiding_factor < 1 && getTreeFontSet()._fm_large.getHeight() < 12 ) {
-                    //                        getTreeFontSet().increaseFontSize();
-                    //                        dynamic_hiding_factor = calcDynamicHidingFactor();
-                    //                    }
-                    //                }
-                }
+    private void abbreviateScientificName( final String sn, final StringBuilder sb ) {
+        final String[] a = sn.split( "\\s+" );
+        sb.append( a[ 0 ].substring( 0, 1 ) );
+        sb.append( a[ 1 ].substring( 0, 2 ) );
+        if ( a.length > 2 ) {
+            for( int i = 2; i < a.length; i++ ) {
+                sb.append( " " );
+                sb.append( a[ i ] );
             }
-            //
         }
     }
 
-    final void calculateLongestExtNodeInfo() {
-        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
+    final private void addEmptyNode( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            errorMessageNoCutCopyPasteInUnrootedDisplay();
             return;
         }
-        int max_length = ForesterUtil.roundToInt( ( getSize().getWidth() - MOVE )
-                * Constants.EXT_NODE_INFO_LENGTH_MAX_RATIO );
-        if ( max_length < 40 ) {
-            max_length = 40;
-        }
-        int longest = 30;
-        for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
-            int sum = 0;
-            if ( node.isCollapse() ) {
-                continue;
-            }
-            final StringBuilder sb = new StringBuilder();
-            nodeDataAsSB( node, sb );
-            if ( node.getNodeData().isHasTaxonomy() ) {
-                nodeTaxonomyDataAsSB( node.getNodeData().getTaxonomy(), sb );
-            }
-            boolean use_vis = false;
-            final Graphics2D g = ( Graphics2D ) getGraphics();
-            if ( getControlPanel().isUseVisualStyles() ) {
-                use_vis = setFont( g, node, false );
-            }
-            if ( !use_vis ) {
-                sum = getFontMetricsForLargeDefaultFont().stringWidth( sb.toString() );
-            }
-            else {
-                sum = getFontMetrics( g.getFont() ).stringWidth( sb.toString() );
-            }
-            if ( getControlPanel().isShowBinaryCharacters() && node.getNodeData().isHasBinaryCharacters() ) {
-                sum += getFontMetricsForLargeDefaultFont().stringWidth( node.getNodeData().getBinaryCharacters()
-                        .getGainedCharactersAsStringBuffer().toString() );
-            }
-            if ( sum >= max_length ) {
-                setLongestExtNodeInfo( max_length );
-                return;
-            }
-            if ( sum > longest ) {
-                longest = sum;
-            }
-        }
-        if ( longest >= max_length ) {
-            setLongestExtNodeInfo( max_length );
+        final String label = createASimpleTextRepresentationOfANode( node );
+        String msg = "";
+        if ( ForesterUtil.isEmpty( label ) ) {
+            msg = "How to add the new, empty node?";
         }
         else {
-            setLongestExtNodeInfo( longest );
+            msg = "How to add the new, empty node to node" + label + "?";
         }
-    }
-
-    final void calculateScaleDistance() {
-        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
+        final Object[] options = { "As sibling", "As descendant", "Cancel" };
+        final int r = JOptionPane.showOptionDialog( this,
+                                                    msg,
+                                                    "Addition of Empty New Node",
+                                                    JOptionPane.CLOSED_OPTION,
+                                                    JOptionPane.QUESTION_MESSAGE,
+                                                    null,
+                                                    options,
+                                                    options[ 2 ] );
+        boolean add_as_sibling = true;
+        if ( r == 1 ) {
+            add_as_sibling = false;
+        }
+        else if ( r != 0 ) {
             return;
         }
-        final double height = getMaxDistanceToRoot();
-        if ( height > 0 ) {
-            if ( ( height <= 0.5 ) ) {
-                setScaleDistance( 0.01 );
-            }
-            else if ( height <= 5.0 ) {
-                setScaleDistance( 0.1 );
-            }
-            else if ( height <= 50.0 ) {
-                setScaleDistance( 1 );
-            }
-            else if ( height <= 500.0 ) {
-                setScaleDistance( 10 );
-            }
-            else {
-                setScaleDistance( 100 );
+        final Phylogeny phy = new Phylogeny();
+        phy.setRoot( new PhylogenyNode() );
+        phy.setRooted( true );
+        if ( add_as_sibling ) {
+            if ( node.isRoot() ) {
+                JOptionPane.showMessageDialog( this,
+                                               "Cannot add sibling to root",
+                                               "Attempt to add sibling to root",
+                                               JOptionPane.ERROR_MESSAGE );
+                return;
             }
+            phy.addAsSibling( node );
         }
         else {
-            setScaleDistance( 0.0 );
+            phy.addAsChild( node );
         }
-        String scale_label = String.valueOf( getScaleDistance() );
-        if ( !ForesterUtil.isEmpty( _phylogeny.getDistanceUnit() ) ) {
-            scale_label += " [" + _phylogeny.getDistanceUnit() + "]";
+        setNodeInPreorderToNull();
+        _phylogeny.externalNodesHaveChanged();
+        _phylogeny.clearHashIdToNodeMap();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        setEdited( true );
+        repaint();
+    }
+
+    final private void addToCurrentExternalNodes( final long i ) {
+        if ( _current_external_nodes == null ) {
+            _current_external_nodes = new HashSet<Long>();
         }
-        setScaleLabel( scale_label );
+        _current_external_nodes.add( i );
     }
 
-    final Color calculateTaxonomyBasedColor( final Taxonomy tax ) {
-        if ( getOptions().isColorByTaxonomicGroup() ) {
-            if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
-                boolean ex = false;
-                String group = null;
-                try {
-                    group = TaxonomyUtil.getTaxGroupByTaxCode( tax.getTaxonomyCode() );
-                }
-                catch ( final Exception e ) {
-                    ex = true;
-                }
-                if ( !ex && !ForesterUtil.isEmpty( group ) ) {
-                    final Color c = ForesterUtil.obtainColorDependingOnTaxonomyGroup( group );
-                    if ( c != null ) {
-                        return c;
-                    }
-                }
-            }
-            return getTreeColorSet().getTaxonomyColor();
+    final private void assignGraphicsForBranchWithColorForParentBranch( final PhylogenyNode node,
+                                                                        final boolean is_vertical,
+                                                                        final Graphics g,
+                                                                        final boolean to_pdf,
+                                                                        final boolean to_graphics_file ) {
+        final NodeClickAction action = _control_panel.getActionWhenNodeClicked();
+        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+            g.setColor( Color.BLACK );
+        }
+        else if ( ( ( action == NodeClickAction.COPY_SUBTREE ) || ( action == NodeClickAction.CUT_SUBTREE )
+                || ( action == NodeClickAction.DELETE_NODE_OR_SUBTREE ) || ( action == NodeClickAction.PASTE_SUBTREE )
+                || ( action == NodeClickAction.ADD_NEW_NODE ) ) && ( getCutOrCopiedTree() != null )
+                && ( getCopiedAndPastedNodes() != null ) && !to_pdf && !to_graphics_file
+                && getCopiedAndPastedNodes().contains( node.getId() ) ) {
+            g.setColor( getTreeColorSet().getFoundColor0() );
+        }
+        else if ( getControlPanel().isUseVisualStyles() && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
+            g.setColor( PhylogenyMethods.getBranchColorValue( node ) );
+        }
+        else if ( to_pdf ) {
+            g.setColor( getTreeColorSet().getBranchColorForPdf() );
         }
         else {
-            if ( ForesterUtil.isEmpty( tax.getTaxonomyCode() ) && ForesterUtil.isEmpty( tax.getScientificName() ) ) {
-                return getTreeColorSet().getTaxonomyColor();
-            }
-            Color c = null;
-            if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
-                c = getControlPanel().getSpeciesColors().get( tax.getTaxonomyCode() );
-            }
-            if ( ( c == null ) && !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
-                c = getControlPanel().getSpeciesColors().get( tax.getScientificName() );
-            }
-            if ( c == null ) {
-                if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
-                    c = TreePanelUtil.calculateColorFromString( tax.getTaxonomyCode(), true );
-                    getControlPanel().getSpeciesColors().put( tax.getTaxonomyCode(), c );
-                }
-                else {
-                    c = TreePanelUtil.calculateColorFromString( tax.getScientificName(), true );
-                    getControlPanel().getSpeciesColors().put( tax.getScientificName(), c );
-                }
-            }
-            return c;
+            g.setColor( getTreeColorSet().getBranchColor() );
         }
     }
-    
-    final Color calculateSequenceBasedColor( final Sequence seq ) {
-            if ( ForesterUtil.isEmpty( seq.getName() ) ) {
-                return getTreeColorSet().getSequenceColor();
-            }
-            Color c = null;
-            final String seq_name = seq.getName();
-            c = getControlPanel().getSequenceColors().get( seq_name  );
-            if ( c == null ) {
-                    c = TreePanelUtil.calculateColorFromString( seq_name, false );
-                    getControlPanel().getSequenceColors().put( seq_name, c );
-            }
-            return c;
-    }
 
-    void checkForVectorProperties( final Phylogeny phy ) {
-        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
-        for( final PhylogenyNodeIterator iter = phy.iteratorPreorder(); iter.hasNext(); ) {
-            final PhylogenyNode node = iter.next();
-            if ( node.getNodeData().getProperties() != null ) {
-                final PropertiesMap pm = node.getNodeData().getProperties();
-                final double[] vector = new double[ pm.getProperties().size() ];
-                int counter = 0;
-                for( final String ref : pm.getProperties().keySet() ) {
-                    if ( ref.startsWith( PhyloXmlUtil.VECTOR_PROPERTY_REF ) ) {
-                        final Property p = pm.getProperty( ref );
-                        final String value_str = p.getValue();
-                        final String index_str = ref
-                                .substring( PhyloXmlUtil.VECTOR_PROPERTY_REF.length(), ref.length() );
-                        double d = -100;
-                        try {
-                            d = Double.parseDouble( value_str );
-                        }
-                        catch ( final NumberFormatException e ) {
-                            JOptionPane.showMessageDialog( this, "Could not parse \"" + value_str
-                                    + "\" into a decimal value", "Problem with Vector Data", JOptionPane.ERROR_MESSAGE );
-                            return;
+    final private void blast( final PhylogenyNode node ) {
+        if ( !isCanBlast( node ) ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Insufficient information present",
+                                           "Cannot Blast",
+                                           JOptionPane.INFORMATION_MESSAGE );
+            return;
+        }
+        else {
+            final String query = Blast.obtainQueryForBlast( node );
+            System.out.println( "query for BLAST is: " + query );
+            char type = '?';
+            if ( !ForesterUtil.isEmpty( query ) ) {
+                if ( node.getNodeData().isHasSequence() ) {
+                    if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getType() ) ) {
+                        if ( node.getNodeData().getSequence().getType().toLowerCase()
+                                .equals( PhyloXmlUtil.SEQ_TYPE_PROTEIN ) ) {
+                            type = 'p';
                         }
-                        int i = -1;
-                        try {
-                            i = Integer.parseInt( index_str );
+                        else {
+                            type = 'n';
                         }
-                        catch ( final NumberFormatException e ) {
-                            JOptionPane.showMessageDialog( this,
-                                                           "Could not parse \"" + index_str
-                                                                   + "\" into index for vector data",
-                                                           "Problem with Vector Data",
-                                                           JOptionPane.ERROR_MESSAGE );
-                            return;
+                    }
+                    else if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getMolecularSequence() ) ) {
+                        if ( ForesterUtil
+                                .seqIsLikelyToBeAa( node.getNodeData().getSequence().getMolecularSequence() ) ) {
+                            type = 'p';
                         }
-                        if ( i < 0 ) {
-                            JOptionPane.showMessageDialog( this,
-                                                           "Attempt to use negative index for vector data",
-                                                           "Problem with Vector Data",
-                                                           JOptionPane.ERROR_MESSAGE );
-                            return;
+                        else {
+                            type = 'n';
                         }
-                        vector[ i ] = d;
-                        ++counter;
-                        stats.addValue( d );
                     }
                 }
-                final List<Double> vector_l = new ArrayList<Double>( counter );
-                for( int i = 0; i < counter; ++i ) {
-                    vector_l.add( vector[ i ] );
+                if ( type == '?' ) {
+                    if ( SequenceAccessionTools.isProteinDbQuery( query ) ) {
+                        type = 'p';
+                    }
+                    else {
+                        type = 'n';
+                    }
+                }
+                try {
+                    Blast.openNcbiBlastWeb( query, type == 'n', this );
+                }
+                catch ( final Exception e ) {
+                    e.printStackTrace();
                 }
-                node.getNodeData().setVector( vector_l );
             }
         }
-        if ( stats.getN() > 0 ) {
-            _statistics_for_vector_data = stats;
-        }
     }
 
-    void clearCurrentExternalNodesDataBuffer() {
-        setCurrentExternalNodesDataBuffer( new StringBuilder() );
+    private final int calcDynamicHidingFactor() {
+        return ( int ) ( 0.5 + ( getFontMetricsForLargeDefaultFont().getHeight() / ( 1.5 * getYdistance() ) ) );
+    }
+
+    final private int calcLengthOfLongestText() {
+        final StringBuilder sb = new StringBuilder();
+        if ( _ext_node_with_longest_txt_info != null ) {
+            nodeDataAsSB( _ext_node_with_longest_txt_info, sb );
+            if ( _ext_node_with_longest_txt_info.getNodeData().isHasTaxonomy() ) {
+                nodeTaxonomyDataAsSB( _ext_node_with_longest_txt_info.getNodeData().getTaxonomy(), sb );
+            }
+        }
+        return getFontMetricsForLargeDefaultFont().stringWidth( sb.toString() );
     }
 
     /**
-     * Collapse the tree from the given node
-     * 
+     * Calculate the length of the distance between the given node and its
+     * parent.
+     *
      * @param node
-     *            a PhylogenyNode
+     * @param ext_node_x
+     * @factor
+     * @return the distance value
      */
-    final void collapse( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot collapse in unrooted display type",
-                                           "Attempt to collapse in unrooted display",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
-        }
-        if ( !node.isExternal() && !node.isRoot() ) {
-            final boolean collapse = !node.isCollapse();
-            TreePanelUtil.collapseSubtree( node, collapse );
-            updateSetOfCollapsedExternalNodes();
-            _phylogeny.recalculateNumberOfExternalDescendants( true );
-            resetNodeIdToDistToLeafMap();
-            calculateLongestExtNodeInfo();
-            setNodeInPreorderToNull();
-            _control_panel.displayedPhylogenyMightHaveChanged( true );
-            resetPreferredSize();
-            updateOvSizes();
-            _main_panel.adjustJScrollPane();
-            repaint();
+    final private float calculateBranchLengthToParent( final PhylogenyNode node, final float factor ) {
+        if ( getControlPanel().isDrawPhylogram() ) {
+            if ( node.getDistanceToParent() < 0.0 ) {
+                return 0.0f;
+            }
+            return ( float ) ( getXcorrectionFactor() * node.getDistanceToParent() );
         }
-    }
-
-    final void collapseSpeciesSpecificSubtrees() {
-        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
-            return;
+        else {
+            if ( ( factor == 0 ) || isNonLinedUpCladogram() ) {
+                return getXdistance();
+            }
+            return getXdistance() * factor;
         }
-        setWaitCursor();
-        TreePanelUtil.collapseSpeciesSpecificSubtrees( _phylogeny );
-        updateSetOfCollapsedExternalNodes();
-        _phylogeny.recalculateNumberOfExternalDescendants( true );
-        resetNodeIdToDistToLeafMap();
-        calculateLongestExtNodeInfo();
-        setNodeInPreorderToNull();
-        resetPreferredSize();
-        _main_panel.adjustJScrollPane();
-        setArrowCursor();
-        repaint();
     }
 
-    final void colorRank( final String rank ) {
-        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
-            return;
-        }
-        setWaitCursor();
-        AptxUtil.removeBranchColors( _phylogeny );
-        final int colorizations = TreePanelUtil.colorPhylogenyAccordingToRanks( _phylogeny, rank, this );
-        if ( colorizations > 0 ) {
-            _control_panel.setColorBranches( true );
-            if ( _control_panel.getUseVisualStylesCb() != null ) {
-                _control_panel.getUseVisualStylesCb().setSelected( true );
+    final private Color calculateColorForAnnotation( final SortedSet<Annotation> ann ) {
+        Color c = getTreeColorSet().getAnnotationColor();
+        if ( getControlPanel().isColorAccordingToAnnotation() && ( getControlPanel().getAnnotationColors() != null ) ) {
+            final StringBuilder sb = new StringBuilder();
+            for( final Annotation a : ann ) {
+                sb.append( !ForesterUtil.isEmpty( a.getRefValue() ) ? a.getRefValue() : a.getDesc() );
             }
-            if ( _control_panel.getColorAccSpeciesCb() != null ) {
-                _control_panel.getColorAccSpeciesCb().setSelected( false );
+            final String ann_str = sb.toString();
+            if ( !ForesterUtil.isEmpty( ann_str ) ) {
+                c = getControlPanel().getAnnotationColors().get( ann_str );
+                if ( c == null ) {
+                    c = AptxUtil.calculateColorFromString( ann_str, false );
+                    getControlPanel().getAnnotationColors().put( ann_str, c );
+                }
+                if ( c == null ) {
+                    c = getTreeColorSet().getAnnotationColor();
+                }
             }
-           
-            _options.setColorLabelsSameAsParentBranch( true );
-            _control_panel.repaint();
         }
-        setArrowCursor();
-        repaint();
-        if ( colorizations > 0 ) {
-            String msg = "Taxonomy colorization via " + rank + " completed:\n";
-            if ( colorizations > 1 ) {
-                msg += "colorized " + colorizations + " subtrees";
-            }
-            else {
-                msg += "colorized one subtree";
+        return c;
+    }
+
+    final private float calculateOvBranchLengthToParent( final PhylogenyNode node, final int factor ) {
+        if ( getControlPanel().isDrawPhylogram() ) {
+            if ( node.getDistanceToParent() < 0.0 ) {
+                return 0.0f;
             }
-            setEdited( true );
-            JOptionPane.showMessageDialog( this,
-                                           msg,
-                                           "Taxonomy Colorization Completed (" + rank + ")",
-                                           JOptionPane.INFORMATION_MESSAGE );
+            return ( float ) ( getOvXcorrectionFactor() * node.getDistanceToParent() );
         }
         else {
-            String msg = "Could not taxonomy colorize any subtree via " + rank + ".\n";
-            msg += "Possible solutions (given that suitable taxonomic information is present):\n";
-            msg += "select a different rank (e.g. phylum, genus, ...)\n";
-            msg += "  and/or\n";
-            msg += "execute:\n";
-            msg += "1. \"" + MainFrameApplication.OBTAIN_DETAILED_TAXONOMIC_INFORMATION + "\" (Tools)\n";
-            msg += "2. \"" + MainFrameApplication.INFER_ANCESTOR_TAXONOMIES + "\" (Analysis)";
-            JOptionPane.showMessageDialog( this, msg, "Taxonomy Colorization Failed", JOptionPane.WARNING_MESSAGE );
+            if ( ( factor == 0 ) || isNonLinedUpCladogram() ) {
+                return getOvXDistance();
+            }
+            return getOvXDistance() * factor;
         }
     }
 
-    final void confColor() {
-        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
-            return;
-        }
-        setWaitCursor();
-        AptxUtil.removeBranchColors( _phylogeny );
-        TreePanelUtil.colorPhylogenyAccordingToConfidenceValues( _phylogeny, this );
-        _control_panel.setColorBranches( true );
-        if ( _control_panel.getUseVisualStylesCb() != null ) {
-            _control_panel.getUseVisualStylesCb().setSelected( true );
-        }
-        setArrowCursor();
-        repaint();
+    final private void cannotOpenBrowserWarningMessage( final String type_type ) {
+        JOptionPane.showMessageDialog( this,
+                                       "Cannot launch web browser for " + type_type + " data of this node",
+                                       "Cannot launch web browser",
+                                       JOptionPane.WARNING_MESSAGE );
     }
 
-    final void decreaseDomainStructureEvalueThreshold() {
-        if ( _domain_structure_e_value_thr_exp > -20 ) {
-            _domain_structure_e_value_thr_exp -= 1;
+    private void changeNodeFont( final PhylogenyNode node ) {
+        final FontChooser fc = new FontChooser();
+        Font f = null;
+        if ( ( node.getNodeData().getNodeVisualData() != null ) && !node.getNodeData().getNodeVisualData().isEmpty() ) {
+            f = node.getNodeData().getNodeVisualData().getFont();
         }
-    }
-
-    /**
-     * Find the node, if any, at the given location
-     * 
-     * @param x
-     * @param y
-     * @return pointer to the node at x,y, null if not found
-     */
-    final PhylogenyNode findNode( final int x, final int y ) {
-        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
-            return null;
+        if ( f != null ) {
+            fc.setFont( f );
         }
-        final int half_box_size_plus_wiggle = ( getOptions().getDefaultNodeShapeSize() / 2 ) + WIGGLE;
-        for( final PhylogenyNodeIterator iter = _phylogeny.iteratorPostorder(); iter.hasNext(); ) {
-            final PhylogenyNode node = iter.next();
-            if ( ( _phylogeny.isRooted() || !node.isRoot() || ( node.getNumberOfDescendants() > 2 ) )
-                    && ( ( node.getXcoord() - half_box_size_plus_wiggle ) <= x )
-                    && ( ( node.getXcoord() + half_box_size_plus_wiggle ) >= x )
-                    && ( ( node.getYcoord() - half_box_size_plus_wiggle ) <= y )
-                    && ( ( node.getYcoord() + half_box_size_plus_wiggle ) >= y ) ) {
-                return node;
+        else {
+            fc.setFont( getMainPanel().getTreeFontSet().getLargeFont() );
+        }
+        List<PhylogenyNode> nodes = new ArrayList<PhylogenyNode>();
+        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
+            nodes = getFoundNodesAsListOfPhylogenyNodes();
+        }
+        if ( !nodes.contains( node ) ) {
+            nodes.add( node );
+        }
+        final int count = nodes.size();
+        String title = "Change the font for ";
+        if ( count == 1 ) {
+            title += "one node";
+        }
+        else {
+            title += ( count + " nodes" );
+        }
+        fc.showDialog( this, title );
+        if ( ( fc.getFont() != null ) && !ForesterUtil.isEmpty( fc.getFont().getFamily().trim() ) ) {
+            for( final PhylogenyNode n : nodes ) {
+                if ( n.getNodeData().getNodeVisualData() == null ) {
+                    n.getNodeData().setNodeVisualData( new NodeVisualData() );
+                }
+                final NodeVisualData vd = n.getNodeData().getNodeVisualData();
+                final Font ff = fc.getFont();
+                vd.setFontName( ff.getFamily().trim() );
+                int s = ff.getSize();
+                if ( s < 0 ) {
+                    s = 0;
+                }
+                if ( s > Byte.MAX_VALUE ) {
+                    s = Byte.MAX_VALUE;
+                }
+                vd.setFontSize( s );
+                vd.setFontStyle( ff.getStyle() );
+            }
+            if ( _control_panel.getUseVisualStylesCb() != null ) {
+                getControlPanel().getUseVisualStylesCb().setSelected( true );
             }
         }
-        return null;
-    }
-
-    final Configuration getConfiguration() {
-        return _configuration;
-    }
-
-    final ControlPanel getControlPanel() {
-        return _control_panel;
-    }
-
-    String getCurrentExternalNodesDataBufferAsString() {
-        return _current_external_nodes_data_buffer.toString();
-    }
-
-    int getCurrentExternalNodesDataBufferChangeCounter() {
-        return _current_external_nodes_data_buffer_change_counter;
-    }
-
-    final int getDomainStructureEvalueThreshold() {
-        return _domain_structure_e_value_thr_exp;
+        setEdited( true );
+        repaint();
     }
 
-    final Set<Long> getFoundNodes0() {
-        return _found_nodes_0;
+    final private void colorizeNodes( final Color c,
+                                      final PhylogenyNode node,
+                                      final List<PhylogenyNode> additional_nodes ) {
+        _control_panel.setColorBranches( true );
+        if ( _control_panel.getUseVisualStylesCb() != null ) {
+            _control_panel.getUseVisualStylesCb().setSelected( true );
+        }
+        if ( node != null ) {
+            colorizeNodesHelper( c, node );
+        }
+        if ( additional_nodes != null ) {
+            for( final PhylogenyNode n : additional_nodes ) {
+                colorizeNodesHelper( c, n );
+            }
+        }
+        repaint();
     }
 
-    final Set<Long> getFoundNodes1() {
-        return _found_nodes_1;
+    final private void colorizeSubtree( final Color c,
+                                        final PhylogenyNode node,
+                                        final List<PhylogenyNode> additional_nodes ) {
+        _control_panel.setColorBranches( true );
+        if ( _control_panel.getUseVisualStylesCb() != null ) {
+            _control_panel.getUseVisualStylesCb().setSelected( true );
+        }
+        if ( node != null ) {
+            for( final PreorderTreeIterator it = new PreorderTreeIterator( node ); it.hasNext(); ) {
+                it.next().getBranchData().setBranchColor( new BranchColor( c ) );
+            }
+        }
+        if ( additional_nodes != null ) {
+            for( final PhylogenyNode an : additional_nodes ) {
+                for( final PreorderTreeIterator it = new PreorderTreeIterator( an ); it.hasNext(); ) {
+                    it.next().getBranchData().setBranchColor( new BranchColor( c ) );
+                }
+            }
+        }
+        repaint();
     }
 
-    final Color getGraphicsForNodeBoxWithColorForParentBranch( final PhylogenyNode node ) {
-        if ( getControlPanel().isUseVisualStyles() && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
-            return ( PhylogenyMethods.getBranchColorValue( node ) );
+    private void colorNodeFont( final PhylogenyNode node ) {
+        _color_chooser.setPreviewPanel( new JPanel() );
+        NodeColorizationActionListener al;
+        int count = 1;
+        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
+            final List<PhylogenyNode> additional_nodes = getFoundNodesAsListOfPhylogenyNodes();
+            al = new NodeColorizationActionListener( _color_chooser, node, additional_nodes );
+            count = additional_nodes.size();
+            if ( !additional_nodes.contains( node ) ) {
+                count++;
+            }
         }
         else {
-            return ( getTreeColorSet().getBranchColor() );
+            al = new NodeColorizationActionListener( _color_chooser, node );
         }
-    }
-
-    final int getLongestExtNodeInfo() {
-        return _longest_ext_node_info;
-    }
-
-    final Options getOptions() {
-        if ( _options == null ) {
-            _options = getControlPanel().getOptions();
+        String title = "Change the (node and font) color for ";
+        if ( count == 1 ) {
+            title += "one node";
         }
-        return _options;
-    }
-
-    final Rectangle2D getOvRectangle() {
-        return _ov_rectangle;
-    }
-
-    final Rectangle getOvVirtualRectangle() {
-        return _ov_virtual_rectangle;
-    }
-
-    final PHYLOGENY_GRAPHICS_TYPE getPhylogenyGraphicsType() {
-        return _graphics_type;
-    }
-
-    final double getStartingAngle() {
-        return _urt_starting_angle;
-    }
-
-    DescriptiveStatistics getStatisticsForExpressionValues() {
-        return _statistics_for_vector_data;
+        else {
+            title += ( count + " nodes" );
+        }
+        final JDialog dialog = JColorChooser.createDialog( this, title, true, _color_chooser, al, null );
+        setEdited( true );
+        dialog.setVisible( true );
     }
 
-  
-    final Color getTaxonomyBasedColor( final PhylogenyNode node ) {
-        if ( node.getNodeData().isHasTaxonomy() ) {
-            return calculateTaxonomyBasedColor( node.getNodeData().getTaxonomy() );
+    final private void colorSubtree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot colorize subtree in unrooted display type",
+                                           "Attempt to colorize subtree in unrooted display",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
         }
-        // return non-colorized color
-        return getTreeColorSet().getTaxonomyColor();
+        _color_chooser.setPreviewPanel( new JPanel() );
+        final SubtreeColorizationActionListener al;
+        final boolean color_found = getOptions().isColorAllFoundNodesWhenColoringSubtree();
+        if ( color_found && ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) ) {
+            final List<PhylogenyNode> additional_nodes = getFoundNodesAsListOfPhylogenyNodes();
+            al = new SubtreeColorizationActionListener( _color_chooser, node, additional_nodes );
+        }
+        else {
+            al = new SubtreeColorizationActionListener( _color_chooser, node );
+        }
+        final JDialog dialog = JColorChooser.createDialog( this,
+                                                           "Subtree colorization",
+                                                           true,
+                                                           _color_chooser,
+                                                           al,
+                                                           null );
+        setEdited( true );
+        dialog.setVisible( true );
     }
-    
 
-    final Color getSequenceBasedColor( final PhylogenyNode node ) {
-        if ( node.getNodeData().isHasSequence() ) {
-            return calculateSequenceBasedColor( node.getNodeData().getSequence() );
+    final private void copySubtree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            errorMessageNoCutCopyPasteInUnrootedDisplay();
+            return;
         }
-        // return non-colorized color
-        return getTreeColorSet().getSequenceColor();
+        setNodeInPreorderToNull();
+        setCutOrCopiedTree( _phylogeny.copy( node ) );
+        final List<PhylogenyNode> nodes = PhylogenyMethods.getAllDescendants( node );
+        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
+        for( final PhylogenyNode n : nodes ) {
+            node_ids.add( n.getId() );
+        }
+        node_ids.add( node.getId() );
+        setCopiedAndPastedNodes( node_ids );
+        repaint();
     }
-    
 
-    /**
-     * @return pointer to colorset for tree drawing
-     */
-    final TreeColorSet getTreeColorSet() {
-        return getMainPanel().getTreeColorSet();
+    final private String createASimpleTextRepresentationOfANode( final PhylogenyNode node ) {
+        final String tax = PhylogenyMethods.getSpecies( node );
+        String label = node.getName();
+        if ( !ForesterUtil.isEmpty( label ) && !ForesterUtil.isEmpty( tax ) ) {
+            label = label + " " + tax;
+        }
+        else if ( !ForesterUtil.isEmpty( tax ) ) {
+            label = tax;
+        }
+        else {
+            label = "";
+        }
+        if ( !ForesterUtil.isEmpty( label ) ) {
+            label = " [" + label + "]";
+        }
+        return label;
     }
 
-    final File getTreeFile() {
-        return _treefile;
+    final private void cutSubtree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            errorMessageNoCutCopyPasteInUnrootedDisplay();
+            return;
+        }
+        if ( node.isRoot() ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot cut entire tree as subtree",
+                                           "Attempt to cut entire tree",
+                                           JOptionPane.ERROR_MESSAGE );
+            return;
+        }
+        final String label = createASimpleTextRepresentationOfANode( node );
+        final int r = JOptionPane.showConfirmDialog( null,
+                                                     "Cut subtree" + label + "?",
+                                                     "Confirm Cutting of Subtree",
+                                                     JOptionPane.YES_NO_OPTION );
+        if ( r != JOptionPane.OK_OPTION ) {
+            return;
+        }
+        setNodeInPreorderToNull();
+        setCopiedAndPastedNodes( null );
+        setCutOrCopiedTree( _phylogeny.copy( node ) );
+        _phylogeny.deleteSubtree( node, true );
+        _phylogeny.clearHashIdToNodeMap();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        setEdited( true );
+        repaint();
     }
 
-    final float getXcorrectionFactor() {
-        return _x_correction_factor;
+    final private void cycleColors() {
+        getMainPanel().getTreeColorSet().cycleColorScheme();
+        for( final TreePanel tree_panel : getMainPanel().getTreePanels() ) {
+            tree_panel.setBackground( getMainPanel().getTreeColorSet().getBackgroundColor() );
+        }
     }
 
-    final float getXdistance() {
-        return _x_distance;
+    final private void decreaseOvSize() {
+        if ( ( getOvMaxWidth() > 20 ) && ( getOvMaxHeight() > 20 ) ) {
+            setOvMaxWidth( getOvMaxWidth() - 5 );
+            setOvMaxHeight( getOvMaxHeight() - 5 );
+            updateOvSettings();
+            getControlPanel().displayedPhylogenyMightHaveChanged( false );
+        }
     }
 
-    final float getYdistance() {
-        return _y_distance;
-    }
-
-    final void increaseDomainStructureEvalueThreshold() {
-        if ( _domain_structure_e_value_thr_exp < 3 ) {
-            _domain_structure_e_value_thr_exp += 1;
+    final private void deleteNodeOrSubtree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            errorMessageNoCutCopyPasteInUnrootedDisplay();
+            return;
         }
-    }
-
-    final void initNodeData() {
-        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
+        if ( node.isRoot() && ( node.getNumberOfDescendants() != 1 ) ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot delete entire tree",
+                                           "Attempt to delete entire tree",
+                                           JOptionPane.ERROR_MESSAGE );
             return;
         }
-        double max_original_domain_structure_width = 0.0;
-        for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
-            if ( node.getNodeData().isHasSequence()
-                    && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
-                RenderableDomainArchitecture rds = null;
-                if ( !( node.getNodeData().getSequence().getDomainArchitecture() instanceof RenderableDomainArchitecture ) ) {
-                    rds = new RenderableDomainArchitecture( node.getNodeData().getSequence().getDomainArchitecture(),
-                                                            getConfiguration() );
-                    node.getNodeData().getSequence().setDomainArchitecture( rds );
-                }
-                else {
-                    rds = ( RenderableDomainArchitecture ) node.getNodeData().getSequence().getDomainArchitecture();
-                }
-                if ( getControlPanel().isShowDomainArchitectures() ) {
-                    final double dsw = rds.getOriginalSize().getWidth();
-                    if ( dsw > max_original_domain_structure_width ) {
-                        max_original_domain_structure_width = dsw;
-                    }
-                }
-            }
+        final String label = createASimpleTextRepresentationOfANode( node );
+        final Object[] options = { "Node only", "Entire subtree", "Cancel" };
+        final int r = JOptionPane.showOptionDialog( this,
+                                                    "Delete" + label + "?",
+                                                    "Delete Node/Subtree",
+                                                    JOptionPane.CLOSED_OPTION,
+                                                    JOptionPane.QUESTION_MESSAGE,
+                                                    null,
+                                                    options,
+                                                    options[ 2 ] );
+        setNodeInPreorderToNull();
+        boolean node_only = true;
+        if ( r == 1 ) {
+            node_only = false;
         }
-        if ( getControlPanel().isShowDomainArchitectures() ) {
-            final double ds_factor_width = _domain_structure_width / max_original_domain_structure_width;
-            for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
-                if ( node.getNodeData().isHasSequence()
-                        && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
-                    final RenderableDomainArchitecture rds = ( RenderableDomainArchitecture ) node.getNodeData()
-                            .getSequence().getDomainArchitecture();
-                    rds.setRenderingFactorWidth( ds_factor_width );
-                    rds.setParameter( _domain_structure_e_value_thr_exp );
-                }
-            }
+        else if ( r != 0 ) {
+            return;
+        }
+        if ( node_only ) {
+            PhylogenyMethods.removeNode( node, _phylogeny );
+        }
+        else {
+            _phylogeny.deleteSubtree( node, true );
         }
+        _phylogeny.externalNodesHaveChanged();
+        _phylogeny.clearHashIdToNodeMap();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        setEdited( true );
+        repaint();
     }
 
-    final boolean inOv( final MouseEvent e ) {
-        return ( ( e.getX() > ( getVisibleRect().x + getOvXPosition() + 1 ) )
-                && ( e.getX() < ( ( getVisibleRect().x + getOvXPosition() + getOvMaxWidth() ) - 1 ) )
-                && ( e.getY() > ( getVisibleRect().y + getOvYPosition() + 1 ) ) && ( e.getY() < ( ( getVisibleRect().y
-                + getOvYPosition() + getOvMaxHeight() ) - 1 ) ) );
+    final private void displayNodePopupMenu( final PhylogenyNode node, final int x, final int y ) {
+        makePopupMenus( node );
+        _node_popup_menu.putClientProperty( NODE_POPMENU_NODE_CLIENT_PROPERTY, node );
+        _node_popup_menu.show( this, x, y );
     }
 
-    final boolean inOvRectangle( final MouseEvent e ) {
-        return ( ( e.getX() >= ( getOvRectangle().getX() - 1 ) )
-                && ( e.getX() <= ( getOvRectangle().getX() + getOvRectangle().getWidth() + 1 ) )
-                && ( e.getY() >= ( getOvRectangle().getY() - 1 ) ) && ( e.getY() <= ( getOvRectangle().getY()
-                + getOvRectangle().getHeight() + 1 ) ) );
+    final private void drawArc( final double x,
+                                final double y,
+                                final double width,
+                                final double heigth,
+                                final double start_angle,
+                                final double arc_angle,
+                                final Graphics2D g ) {
+        _arc.setArc( x, y, width, heigth, _180_OVER_PI * start_angle, _180_OVER_PI * arc_angle, Arc2D.OPEN );
+        g.draw( _arc );
     }
 
-    final boolean isApplet() {
-        return getMainPanel() instanceof MainPanelApplets;
+    final private void drawLine( final double x1,
+                                 final double y1,
+                                 final double x2,
+                                 final double y2,
+                                 final Graphics2D g ) {
+        if ( ( x1 == x2 ) && ( y1 == y2 ) ) {
+            return;
+        }
+        _line.setLine( x1, y1, x2, y2 );
+        g.draw( _line );
     }
 
-    final boolean isCanCollapse() {
-        return ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+    final private void drawOval( final double x,
+                                 final double y,
+                                 final double width,
+                                 final double heigth,
+                                 final Graphics2D g ) {
+        _ellipse.setFrame( x, y, width, heigth );
+        g.draw( _ellipse );
     }
 
-    final boolean isCanColorSubtree() {
-        return ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+    final private void drawOvalFilled( final double x,
+                                       final double y,
+                                       final double width,
+                                       final double heigth,
+                                       final Graphics2D g ) {
+        _ellipse.setFrame( x, y, width, heigth );
+        g.fill( _ellipse );
     }
 
-    final boolean isCanCopy() {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable() );
+    final private void drawOvalGradient( final float x,
+                                         final float y,
+                                         final float width,
+                                         final float heigth,
+                                         final Graphics2D g,
+                                         final Color color_1,
+                                         final Color color_2,
+                                         final Color color_border ) {
+        _ellipse.setFrame( x, y, width, heigth );
+        g.setPaint( new GradientPaint( x, y, color_1, ( x + width ), ( y + heigth ), color_2, false ) );
+        g.fill( _ellipse );
+        if ( color_border != null ) {
+            g.setPaint( color_border );
+            g.draw( _ellipse );
+        }
     }
 
-    final boolean isCanCut( final PhylogenyNode node ) {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable() && !node
-                .isRoot() );
+    final private void drawRect( final float x,
+                                 final float y,
+                                 final float width,
+                                 final float heigth,
+                                 final Graphics2D g ) {
+        _rectangle.setFrame( x, y, width, heigth );
+        g.draw( _rectangle );
     }
 
-    final boolean isCanDelete() {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable() );
+    final private void drawRectFilled( final double x,
+                                       final double y,
+                                       final double width,
+                                       final double heigth,
+                                       final Graphics2D g ) {
+        _rectangle.setFrame( x, y, width, heigth );
+        g.fill( _rectangle );
     }
 
-    final boolean isCanPaste() {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable()
-                && ( getCutOrCopiedTree() != null ) && !getCutOrCopiedTree().isEmpty() );
+    final private void drawRectGradient( final float x,
+                                         final float y,
+                                         final float width,
+                                         final float heigth,
+                                         final Graphics2D g,
+                                         final Color color_1,
+                                         final Color color_2,
+                                         final Color color_border ) {
+        _rectangle.setFrame( x, y, width, heigth );
+        g.setPaint( new GradientPaint( x, y, color_1, ( x + width ), ( y + heigth ), color_2, false ) );
+        g.fill( _rectangle );
+        if ( color_border != null ) {
+            g.setPaint( color_border );
+            g.draw( _rectangle );
+        }
     }
 
-    final boolean isCanReroot() {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && ( _subtree_index < 1 ) );
+    private double drawTaxonomyImage( final double x, final double y, final PhylogenyNode node, final Graphics2D g ) {
+        final List<Uri> us = new ArrayList<Uri>();
+        for( final Taxonomy t : node.getNodeData().getTaxonomies() ) {
+            for( final Uri uri : t.getUris() ) {
+                us.add( uri );
+            }
+        }
+        double offset = 0;
+        for( final Uri uri : us ) {
+            if ( uri != null ) {
+                final String uri_str = uri.getValue().toString().toLowerCase();
+                if ( getImageMap().containsKey( uri_str ) ) {
+                    final BufferedImage bi = getImageMap().get( uri_str );
+                    if ( ( bi != null ) && ( bi.getHeight() > 5 ) && ( bi.getWidth() > 5 ) ) {
+                        double scaling_factor = 1;
+                        if ( getOptions().isAllowMagnificationOfTaxonomyImages()
+                                || ( bi.getHeight() > ( 1.8 * getYdistance() ) ) ) {
+                            scaling_factor = ( 1.8 * getYdistance() ) / bi.getHeight();
+                        }
+                        // y = y - ( 0.9 * getYdistance() );
+                        final double hs = bi.getHeight() * scaling_factor;
+                        double ws = ( bi.getWidth() * scaling_factor ) + offset;
+                        final double my_y = y - ( 0.5 * hs );
+                        final int x_w = ( int ) ( x + ws + 0.5 );
+                        final int y_h = ( int ) ( my_y + hs + 0.5 );
+                        if ( ( ( x_w - x ) > 7 ) && ( ( y_h - my_y ) > 7 ) ) {
+                            g.drawImage( bi,
+                                         ( int ) ( x + 0.5 + offset ),
+                                         ( int ) ( my_y + 0.5 ),
+                                         x_w,
+                                         y_h,
+                                         0,
+                                         0,
+                                         bi.getWidth(),
+                                         bi.getHeight(),
+                                         null );
+                            ws += 8;
+                        }
+                        else {
+                            ws = 0.0;
+                        }
+                        offset = ws;
+                    }
+                }
+            }
+        }
+        return offset;
     }
 
-    final boolean isCanSubtree( final PhylogenyNode node ) {
-        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && !node.isExternal() && ( !node
-                .isRoot() || ( _subtree_index > 0 ) ) );
+    final private void errorMessageNoCutCopyPasteInUnrootedDisplay() {
+        JOptionPane.showMessageDialog( this,
+                                       "Cannot cut, copy, paste, add, or delete subtrees/nodes in unrooted display",
+                                       "Attempt to cut/copy/paste/add/delete in unrooted display",
+                                       JOptionPane.ERROR_MESSAGE );
     }
 
-    final boolean isCurrentTreeIsSubtree() {
-        return ( _subtree_index > 0 );
+    private final Color getColorForFoundNode( final PhylogenyNode n ) {
+        if ( isInCurrentExternalNodes( n ) ) {
+            return getTreeColorSet().getFoundColor0();
+        }
+        else if ( isInFoundNodes0( n ) && !isInFoundNodes1( n ) ) {
+            return getTreeColorSet().getFoundColor0();
+        }
+        else if ( !isInFoundNodes0( n ) && isInFoundNodes1( n ) ) {
+            return getTreeColorSet().getFoundColor1();
+        }
+        else {
+            return getTreeColorSet().getFoundColor0and1();
+        }
     }
 
-    final boolean isEdited() {
-        return _edited;
+    final private Set<Long> getCopiedAndPastedNodes() {
+        return getMainPanel().getCopiedAndPastedNodes();
     }
 
-    final boolean isInOvRect() {
-        return _in_ov_rect;
+    final private Set<Long> getCurrentExternalNodes() {
+        return _current_external_nodes;
     }
 
-    final boolean isOvOn() {
-        return _ov_on;
+    final private Phylogeny getCutOrCopiedTree() {
+        return getMainPanel().getCutOrCopiedTree();
     }
 
-    final boolean isPhyHasBranchLengths() {
-        return _phy_has_branch_lengths;
+    private FontMetrics getFontMetricsForLargeDefaultFont() {
+        return getTreeFontSet().getFontMetricsLarge();
     }
 
-    final void midpointRoot() {
-        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
-            return;
-        }
-        if ( !_phylogeny.isRerootable() ) {
-            JOptionPane.showMessageDialog( this,
-                                           "This is not rerootable",
-                                           "Not rerootable",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
-        }
-        setNodeInPreorderToNull();
-        setWaitCursor();
-        PhylogenyMethods.midpointRoot( _phylogeny );
-        resetNodeIdToDistToLeafMap();
-        setArrowCursor();
-        setEdited( true );
-        repaint();
+    final private float getLastDragPointX() {
+        return _last_drag_point_x;
     }
 
-    final void mouseClicked( final MouseEvent e ) {
-        if ( getOptions().isShowOverview() && isOvOn() && isInOv() ) {
-            final double w_ratio = getVisibleRect().width / getOvRectangle().getWidth();
-            final double h_ratio = getVisibleRect().height / getOvRectangle().getHeight();
-            double x = ( e.getX() - getVisibleRect().x - getOvXPosition() - ( getOvRectangle().getWidth() / 2.0 ) )
-                    * w_ratio;
-            double y = ( e.getY() - getVisibleRect().y - getOvYPosition() - ( getOvRectangle().getHeight() / 2.0 ) )
-                    * h_ratio;
-            if ( x < 0 ) {
-                x = 0;
-            }
-            if ( y < 0 ) {
-                y = 0;
-            }
-            final double max_x = getWidth() - getVisibleRect().width;
-            final double max_y = getHeight() - getVisibleRect().height;
-            if ( x > max_x ) {
-                x = max_x;
-            }
-            if ( y > max_y ) {
-                y = max_y;
-            }
-            getMainPanel().getCurrentScrollPane().getViewport()
-                    .setViewPosition( new Point( ForesterUtil.roundToInt( x ), ForesterUtil.roundToInt( y ) ) );
-            setInOvRect( true );
-            repaint();
-        }
-        else {
-            final PhylogenyNode node = findNode( e.getX(), e.getY() );
-            if ( node != null ) {
-                if ( !node.isRoot() && node.getParent().isCollapse() ) {
-                    return;
-                }
-                _highlight_node = node;
-                // Check if shift key is down
-                if ( ( e.getModifiers() & InputEvent.SHIFT_MASK ) != 0 ) {
-                    // Yes, so add to _found_nodes
-                    if ( getFoundNodes0() == null ) {
-                        setFoundNodes0( new HashSet<Long>() );
-                    }
-                    getFoundNodes0().add( node.getId() );
-                    // Check if control key is down
-                }
-                else if ( ( e.getModifiers() & InputEvent.CTRL_MASK ) != 0 ) {
-                    // Yes, so pop-up menu
-                    displayNodePopupMenu( node, e.getX(), e.getY() );
-                    // Handle unadorned click
-                }
-                else {
-                    // Check for right mouse button
-                    if ( e.getModifiers() == 4 ) {
-                        displayNodePopupMenu( node, e.getX(), e.getY() );
-                    }
-                    else {
-                        // if not in _found_nodes, clear _found_nodes
-                        handleClickToAction( _control_panel.getActionWhenNodeClicked(), node );
-                    }
-                }
-            }
-            else {
-                // no node was clicked
-                _highlight_node = null;
-            }
-        }
-        repaint();
+    final private float getLastDragPointY() {
+        return _last_drag_point_y;
     }
 
-    final void mouseDragInBrowserPanel( final MouseEvent e ) {
-        setCursor( MOVE_CURSOR );
-        final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
-        scroll_position.x -= ( e.getX() - getLastDragPointX() );
-        scroll_position.y -= ( e.getY() - getLastDragPointY() );
-        if ( scroll_position.x < 0 ) {
-            scroll_position.x = 0;
-        }
-        else {
-            final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
-                    - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
-            if ( scroll_position.x > max_x ) {
-                scroll_position.x = max_x;
-            }
-        }
-        if ( scroll_position.y < 0 ) {
-            scroll_position.y = 0;
-        }
-        else {
-            final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
-                    - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
-            if ( scroll_position.y > max_y ) {
-                scroll_position.y = max_y;
-            }
-        }
-        if ( isOvOn() || getOptions().isShowScale() ) {
-            repaint();
+    final private double getMaxDistanceToRoot() {
+        if ( _max_distance_to_root < 0 ) {
+            recalculateMaxDistanceToRoot();
         }
-        getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
+        return _max_distance_to_root;
     }
 
-    final void mouseDragInOvRectangle( final MouseEvent e ) {
-        setCursor( HAND_CURSOR );
-        final double w_ratio = getVisibleRect().width / getOvRectangle().getWidth();
-        final double h_ratio = getVisibleRect().height / getOvRectangle().getHeight();
-        final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
-        double dx = ( ( w_ratio * e.getX() ) - ( w_ratio * getLastDragPointX() ) );
-        double dy = ( ( h_ratio * e.getY() ) - ( h_ratio * getLastDragPointY() ) );
-        scroll_position.x = ForesterUtil.roundToInt( scroll_position.x + dx );
-        scroll_position.y = ForesterUtil.roundToInt( scroll_position.y + dy );
-        if ( scroll_position.x <= 0 ) {
-            scroll_position.x = 0;
-            dx = 0;
-        }
-        else {
-            final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
-                    - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
-            if ( scroll_position.x >= max_x ) {
-                dx = 0;
-                scroll_position.x = max_x;
-            }
-        }
-        if ( scroll_position.y <= 0 ) {
-            dy = 0;
-            scroll_position.y = 0;
-        }
-        else {
-            final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
-                    - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
-            if ( scroll_position.y >= max_y ) {
-                dy = 0;
-                scroll_position.y = max_y;
-            }
-        }
-        repaint();
-        getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
-        setLastMouseDragPointX( ( float ) ( e.getX() + dx ) );
-        setLastMouseDragPointY( ( float ) ( e.getY() + dy ) );
+    final private float getOvMaxHeight() {
+        return _ov_max_height;
     }
 
-    final void mouseMoved( final MouseEvent e ) {
-        requestFocusInWindow();
-        if ( _current_external_nodes != null ) {
-            _current_external_nodes = null;
-            repaint();
-        }
-        if ( getControlPanel().isNodeDescPopup() ) {
-            if ( _node_desc_popup != null ) {
-                _node_desc_popup.hide();
-                _node_desc_popup = null;
-            }
-        }
-        if ( getOptions().isShowOverview() && isOvOn() ) {
-            if ( inOvVirtualRectangle( e ) ) {
-                if ( !isInOvRect() ) {
-                    setInOvRect( true );
-                    repaint();
-                }
-            }
-            else {
-                if ( isInOvRect() ) {
-                    setInOvRect( false );
-                    repaint();
-                }
-            }
-        }
-        if ( inOv( e ) && getOptions().isShowOverview() && isOvOn() ) {
-            if ( !isInOv() ) {
-                setInOv( true );
-            }
-        }
-        else {
-            if ( isInOv() ) {
-                setInOv( false );
-            }
-            final PhylogenyNode node = findNode( e.getX(), e.getY() );
-            if ( ( node != null ) && ( node.isRoot() || !node.getParent().isCollapse() ) ) {
-                if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.GET_EXT_DESC_DATA ) ) {
-                    for( final PhylogenyNode n : node.getAllExternalDescendants() ) {
-                        addToCurrentExternalNodes( n.getId() );
-                    }
-                    setCursor( HAND_CURSOR );
-                    repaint();
-                }
-                else if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.CUT_SUBTREE )
-                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.COPY_SUBTREE )
-                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.PASTE_SUBTREE )
-                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.DELETE_NODE_OR_SUBTREE )
-                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.REROOT )
-                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.ADD_NEW_NODE ) ) {
-                    setCursor( CUT_CURSOR );
-                }
-                else {
-                    setCursor( HAND_CURSOR );
-                    if ( getControlPanel().isNodeDescPopup() ) {
-                        showNodeDataPopup( e, node );
+    final private float getOvMaxWidth() {
+        return _ov_max_width;
+    }
+
+    final private float getOvXcorrectionFactor() {
+        return _ov_x_correction_factor;
+    }
+
+    final private float getOvXDistance() {
+        return _ov_x_distance;
+    }
+
+    final private int getOvXPosition() {
+        return _ov_x_position;
+    }
+
+    final private float getOvYDistance() {
+        return _ov_y_distance;
+    }
+
+    final private int getOvYPosition() {
+        return _ov_y_position;
+    }
+
+    final private int getOvYStart() {
+        return _ov_y_start;
+    }
+
+    final private List<Accession> getPdbAccs( final PhylogenyNode node ) {
+        final List<Accession> pdb_ids = new ArrayList<Accession>();
+        if ( node.getNodeData().isHasSequence() ) {
+            final Sequence seq = node.getNodeData().getSequence();
+            if ( !ForesterUtil.isEmpty( seq.getCrossReferences() ) ) {
+                final SortedSet<Accession> cross_refs = seq.getCrossReferences();
+                for( final Accession acc : cross_refs ) {
+                    if ( acc.getSource().equalsIgnoreCase( "pdb" ) ) {
+                        pdb_ids.add( acc );
                     }
                 }
             }
-            else {
-                setCursor( ARROW_CURSOR );
-            }
         }
+        return pdb_ids;
     }
 
-    final void mouseReleasedInBrowserPanel( final MouseEvent e ) {
-        setCursor( ARROW_CURSOR );
+    final private double getScaleDistance() {
+        return _scale_distance;
     }
 
-    final void multiplyUrtFactor( final float f ) {
-        _urt_factor *= f;
+    final private String getScaleLabel() {
+        return _scale_label;
     }
 
-    final JApplet obtainApplet() {
-        return ( ( MainPanelApplets ) getMainPanel() ).getApplet();
+    final private TreeFontSet getTreeFontSet() {
+        return getMainPanel().getTreeFontSet();
     }
-
-    final void paintBranchCircular( final PhylogenyNode p,
-                                    final PhylogenyNode c,
-                                    final Graphics2D g,
-                                    final boolean radial_labels,
-                                    final boolean to_pdf,
-                                    final boolean to_graphics_file ) {
-        final double angle = _urt_nodeid_angle_map.get( c.getId() );
-        final double root_x = _root.getXcoord();
-        final double root_y = _root.getYcoord();
-        final double dx = root_x - p.getXcoord();
-        final double dy = root_y - p.getYcoord();
-        final double parent_radius = Math.sqrt( ( dx * dx ) + ( dy * dy ) );
-        final double arc = ( _urt_nodeid_angle_map.get( p.getId() ) ) - angle;
-        assignGraphicsForBranchWithColorForParentBranch( c, false, g, to_pdf, to_graphics_file );
-        if ( ( c.isFirstChildNode() || c.isLastChildNode() )
-                && ( ( Math.abs( parent_radius * arc ) > 1.5 ) || to_pdf || to_graphics_file ) ) {
-            final double r2 = 2.0 * parent_radius;
-            drawArc( root_x - parent_radius, root_y - parent_radius, r2, r2, ( -angle - arc ), arc, g );
-        }
-        drawLine( c.getXcoord(),
-                  c.getYcoord(),
-                  root_x + ( Math.cos( angle ) * parent_radius ),
-                  root_y + ( Math.sin( angle ) * parent_radius ),
-                  g );
-        paintNodeBox( c.getXcoord(), c.getYcoord(), c, g, to_pdf, to_graphics_file );
-        if ( c.isExternal() ) {
-            final boolean is_in_found_nodes = isInFoundNodes0( c ) || isInFoundNodes1( c )
-                    || isInCurrentExternalNodes( c );
-            if ( ( _dynamic_hiding_factor > 1 ) && !is_in_found_nodes
-                    && ( ( _urt_nodeid_index_map.get( c.getId() ) % _dynamic_hiding_factor ) != 1 ) ) {
-                return;
-            }
-            paintNodeDataUnrootedCirc( g, c, to_pdf, to_graphics_file, radial_labels, 0, is_in_found_nodes );
-        }
+    
+    final public float getThreshold() {
+        return _partition_threshold;
     }
 
-    final void paintBranchCircularLite( final PhylogenyNode p, final PhylogenyNode c, final Graphics2D g ) {
-        final double angle = _urt_nodeid_angle_map.get( c.getId() );
-        final double root_x = _root.getXSecondary();
-        final double root_y = _root.getYSecondary();
-        final double dx = root_x - p.getXSecondary();
-        final double dy = root_y - p.getYSecondary();
-        final double arc = ( _urt_nodeid_angle_map.get( p.getId() ) ) - angle;
-        final double parent_radius = Math.sqrt( ( dx * dx ) + ( dy * dy ) );
-        g.setColor( getTreeColorSet().getOvColor() );
-        if ( ( c.isFirstChildNode() || c.isLastChildNode() ) && ( Math.abs( arc ) > 0.02 ) ) {
-            final double r2 = 2.0 * parent_radius;
-            drawArc( root_x - parent_radius, root_y - parent_radius, r2, r2, ( -angle - arc ), arc, g );
+    final private float getUrtFactor() {
+        return _urt_factor;
+    }
+
+    final private float getUrtFactorOv() {
+        return _urt_factor_ov;
+    }
+
+    final private void handleClickToAction( final NodeClickAction action, final PhylogenyNode node ) {
+        switch ( action ) {
+            case SHOW_DATA:
+                showNodeFrame( node );
+                break;
+            case COLLAPSE:
+                collapse( node );
+                break;
+            case REROOT:
+                reRoot( node );
+                break;
+            case SUBTREE:
+                subTree( node );
+                break;
+            case SWAP:
+                swap( node );
+                break;
+            case COLOR_SUBTREE:
+                colorSubtree( node );
+                break;
+            case COLOR_NODE_FONT:
+                colorNodeFont( node );
+                break;
+            case CHANGE_NODE_FONT:
+                changeNodeFont( node );
+                break;
+            case OPEN_SEQ_WEB:
+                openSeqWeb( node );
+                break;
+            case BLAST:
+                blast( node );
+                break;
+            case OPEN_TAX_WEB:
+                openTaxWeb( node );
+                break;
+            case OPEN_PDB_WEB:
+                openPdbWeb( node );
+                break;
+            case CUT_SUBTREE:
+                cutSubtree( node );
+                break;
+            case COPY_SUBTREE:
+                copySubtree( node );
+                break;
+            case PASTE_SUBTREE:
+                pasteSubtree( node );
+                break;
+            case DELETE_NODE_OR_SUBTREE:
+                deleteNodeOrSubtree( node );
+                break;
+            case ADD_NEW_NODE:
+                addEmptyNode( node );
+                break;
+            case EDIT_NODE_DATA:
+                showNodeEditFrame( node );
+                break;
+            case SELECT_NODES:
+                selectNode( node );
+                break;
+            case SORT_DESCENDENTS:
+                sortDescendants( node );
+                break;
+            case GET_EXT_DESC_DATA:
+                showExtDescNodeData( node, '_' );
+                break;
+            case UNCOLLAPSE_ALL:
+                uncollapseAll( node );
+                break;
+            case ORDER_SUBTREE:
+                orderSubtree( node );
+                break;
+            default:
+                throw new IllegalArgumentException( "unknown action: " + action );
         }
-        drawLine( c.getXSecondary(),
-                  c.getYSecondary(),
-                  root_x + ( Math.cos( angle ) * parent_radius ),
-                  root_y + ( Math.sin( angle ) * parent_radius ),
-                  g );
-        if ( isInFoundNodes( c ) || isInCurrentExternalNodes( c ) ) {
-            g.setColor( getColorForFoundNode( c ) );
-            drawRectFilled( c.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF, c.getYSecondary()
-                    - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF, OVERVIEW_FOUND_NODE_BOX_SIZE, OVERVIEW_FOUND_NODE_BOX_SIZE, g );
+    }
+
+    final private void increaseCurrentExternalNodesDataBufferChangeCounter() {
+        _current_external_nodes_data_buffer_change_counter++;
+    }
+
+    final private void increaseOvSize() {
+        if ( ( getOvMaxWidth() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect().getWidth()
+                / 2 ) )
+                && ( getOvMaxHeight() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect()
+                        .getHeight() / 2 ) ) ) {
+            setOvMaxWidth( getOvMaxWidth() + 5 );
+            setOvMaxHeight( getOvMaxHeight() + 5 );
+            updateOvSettings();
+            getControlPanel().displayedPhylogenyMightHaveChanged( false );
         }
     }
 
-    final void paintCircular( final Phylogeny phy,
-                              final double starting_angle,
-                              final int center_x,
-                              final int center_y,
-                              final int radius,
-                              final Graphics2D g,
-                              final boolean to_pdf,
-                              final boolean to_graphics_file ) {
-        final int circ_num_ext_nodes = phy.getNumberOfExternalNodes() - _collapsed_external_nodeid_set.size();
-        System.out.println( "# collapsed external = " + _collapsed_external_nodeid_set.size() );
-        _root = phy.getRoot();
-        _root.setXcoord( center_x );
-        _root.setYcoord( center_y );
-        final boolean radial_labels = getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.RADIAL;
-        double current_angle = starting_angle;
-        int i = 0;
-        for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( !n.isCollapse() ) {
-                n.setXcoord( ( float ) ( center_x + ( radius * Math.cos( current_angle ) ) ) );
-                n.setYcoord( ( float ) ( center_y + ( radius * Math.sin( current_angle ) ) ) );
-                _urt_nodeid_angle_map.put( n.getId(), current_angle );
-                _urt_nodeid_index_map.put( n.getId(), i++ );
-                current_angle += ( TWO_PI / circ_num_ext_nodes );
-            }
-            else {
-                //TODO remove me
-                System.out.println( "is collapse" + n.getName() );
-            }
+    final private void init() {
+        _color_chooser = new JColorChooser();
+        _rollover_popup = new JTextArea();
+        _rollover_popup.setFont( POPUP_FONT );
+        resetNodeIdToDistToLeafMap();
+        setTextAntialias();
+        setTreeFile( null );
+        setEdited( false );
+        initializeOvSettings();
+        resetDepthCollapseDepthValue();
+        resetRankCollapseRankValue();
+        setStartingAngle( ( TWO_PI * 3 ) / 4 );
+        final ImageLoader il = new ImageLoader( this );
+        new Thread( il ).start();
+    }
+
+    final private void initializeOvSettings() {
+        setOvMaxHeight( getConfiguration().getOvMaxHeight() );
+        setOvMaxWidth( getConfiguration().getOvMaxWidth() );
+    }
+
+    final private boolean inOvVirtualRectangle( final int x, final int y ) {
+        return ( ( x >= ( getOvVirtualRectangle().x - 1 ) )
+                && ( x <= ( getOvVirtualRectangle().x + getOvVirtualRectangle().width + 1 ) )
+                && ( y >= ( getOvVirtualRectangle().y - 1 ) )
+                && ( y <= ( getOvVirtualRectangle().y + getOvVirtualRectangle().height + 1 ) ) );
+    }
+
+    final private boolean inOvVirtualRectangle( final MouseEvent e ) {
+        return ( inOvVirtualRectangle( e.getX(), e.getY() ) );
+    }
+
+    final private boolean isCanBlast( final PhylogenyNode node ) {
+        if ( !node.getNodeData().isHasSequence() && ForesterUtil.isEmpty( node.getName() ) ) {
+            return false;
         }
-        paintCirculars( phy.getRoot(), phy, center_x, center_y, radius, radial_labels, g, to_pdf, to_graphics_file );
-        paintNodeBox( _root.getXcoord(), _root.getYcoord(), _root, g, to_pdf, to_graphics_file );
+        return Blast.isContainsQueryForBlast( node );
     }
 
-    final void paintCircularLite( final Phylogeny phy,
-                                  final double starting_angle,
-                                  final int center_x,
-                                  final int center_y,
-                                  final int radius,
-                                  final Graphics2D g ) {
-        final int circ_num_ext_nodes = phy.getNumberOfExternalNodes();
-        _root = phy.getRoot();
-        _root.setXSecondary( center_x );
-        _root.setYSecondary( center_y );
-        double current_angle = starting_angle;
-        for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            n.setXSecondary( ( float ) ( center_x + ( radius * Math.cos( current_angle ) ) ) );
-            n.setYSecondary( ( float ) ( center_y + ( radius * Math.sin( current_angle ) ) ) );
-            _urt_nodeid_angle_map.put( n.getId(), current_angle );
-            current_angle += ( TWO_PI / circ_num_ext_nodes );
+    final private String isCanOpenSeqWeb( final PhylogenyNode node ) {
+        final Accession a = SequenceAccessionTools.obtainAccessorFromDataFields( node );
+        if ( a != null ) {
+            return a.getValue();
         }
-        paintCircularsLite( phy.getRoot(), phy, center_x, center_y, radius, g );
+        return null;
     }
 
-    final void paintPhylogeny( final Graphics2D g,
-                               final boolean to_pdf,
-                               final boolean to_graphics_file,
-                               final int graphics_file_width,
-                               final int graphics_file_height,
-                               final int graphics_file_x,
-                               final int graphics_file_y ) {
-        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
-            return;
+    final private boolean isCanOpenTaxWeb( final PhylogenyNode node ) {
+        if ( node.getNodeData().isHasTaxonomy() && ( ( !ForesterUtil
+                .isEmpty( node.getNodeData().getTaxonomy().getScientificName() ) )
+                || ( !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getTaxonomyCode() ) )
+                || ( !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getCommonName() ) )
+                || ( ( node.getNodeData().getTaxonomy().getIdentifier() != null )
+                        && !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getIdentifier().getValue() ) ) ) ) {
+            return true;
         }
-        if ( _control_panel.isShowSequenceRelations() ) {
-            _query_sequence = _control_panel.getSelectedQuerySequence();
+        else {
+            return false;
         }
-        // Color the background
-        if ( !to_pdf ) {
-            final Rectangle r = getVisibleRect();
-            if ( !getOptions().isBackgroundColorGradient() || getOptions().isPrintBlackAndWhite() ) {
-                g.setColor( getTreeColorSet().getBackgroundColor() );
-                if ( !to_graphics_file ) {
-                    g.fill( r );
-                }
-                else {
-                    if ( getOptions().isPrintBlackAndWhite() ) {
-                        g.setColor( Color.WHITE );
-                    }
-                    g.fillRect( graphics_file_x, graphics_file_y, graphics_file_width, graphics_file_height );
+    }
+
+    final private boolean isInCurrentExternalNodes( final PhylogenyNode node ) {
+        return ( ( getCurrentExternalNodes() != null ) && getCurrentExternalNodes().contains( node.getId() ) );
+    }
+
+    private boolean isInFoundNodes( final PhylogenyNode n ) {
+        return isInFoundNodes0( n ) || isInFoundNodes1( n );
+    }
+
+    final private boolean isInFoundNodes0( final PhylogenyNode node ) {
+        return ( ( getFoundNodes0() != null ) && getFoundNodes0().contains( node.getId() ) );
+    }
+
+    final private boolean isInFoundNodes1( final PhylogenyNode node ) {
+        return ( ( getFoundNodes1() != null ) && getFoundNodes1().contains( node.getId() ) );
+    }
+
+    final private boolean isInOv() {
+        return _in_ov;
+    }
+
+    final private boolean isNodeDataInvisible( final PhylogenyNode node ) {
+        int y_dist = 40;
+        if ( getControlPanel().isShowTaxonomyImages() ) {
+            y_dist = 40 + ( int ) getYdistance();
+        }
+        return ( ( node.getYcoord() < ( getVisibleRect().getMinY() - y_dist ) )
+                || ( node.getYcoord() > ( getVisibleRect().getMaxY() + y_dist ) )
+                || ( ( node.getParent() != null ) && ( node.getParent().getXcoord() > getVisibleRect().getMaxX() ) ) );
+    }
+
+    final private boolean isNodeDataInvisibleUnrootedCirc( final PhylogenyNode node ) {
+        return ( ( node.getYcoord() < ( getVisibleRect().getMinY() - 20 ) )
+                || ( node.getYcoord() > ( getVisibleRect().getMaxY() + 20 ) )
+                || ( node.getXcoord() < ( getVisibleRect().getMinX() - 20 ) )
+                || ( node.getXcoord() > ( getVisibleRect().getMaxX() + 20 ) ) );
+    }
+
+    final private boolean isNonLinedUpCladogram() {
+        return getOptions().getCladogramType() == CLADOGRAM_TYPE.NON_LINED_UP;
+    }
+
+    final private void keyPressedCalls( final KeyEvent e ) {
+        if ( isOvOn() && ( getMousePosition() != null ) && ( getMousePosition().getLocation() != null ) ) {
+            if ( inOvVirtualRectangle( getMousePosition().x, getMousePosition().y ) ) {
+                if ( !isInOvRect() ) {
+                    setInOvRect( true );
                 }
             }
-            else {
-                if ( !to_graphics_file ) {
-                    g.setPaint( new GradientPaint( r.x, r.y, getTreeColorSet().getBackgroundColor(), r.x, r.y
-                            + r.height, getTreeColorSet().getBackgroundColorGradientBottom() ) );
-                    g.fill( r );
-                }
-                else {
-                    g.setPaint( new GradientPaint( graphics_file_x,
-                                                   graphics_file_y,
-                                                   getTreeColorSet().getBackgroundColor(),
-                                                   graphics_file_x,
-                                                   graphics_file_y + graphics_file_height,
-                                                   getTreeColorSet().getBackgroundColorGradientBottom() ) );
-                    g.fillRect( graphics_file_x, graphics_file_y, graphics_file_width, graphics_file_height );
-                }
+            else if ( isInOvRect() ) {
+                setInOvRect( false );
             }
-            setupStroke( g );
-        }
-        else {
-            g.setStroke( new BasicStroke( getOptions().getPrintLineWidth() ) );
         }
-        if ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
-                && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
-            _external_node_index = 0;
-            // Position starting X of tree
-            if ( !_phylogeny.isRooted() /*|| ( _subtree_index > 0 )*/) {
-                _phylogeny.getRoot().setXcoord( TreePanel.MOVE );
+        if ( e.isAltDown() ) {
+            if ( ( e.getKeyCode() == KeyEvent.VK_DELETE ) || ( e.getKeyCode() == KeyEvent.VK_HOME )
+                    || ( e.getKeyCode() == KeyEvent.VK_C ) || ( e.getKeyCode() == KeyEvent.VK_BACK_SPACE ) ) {
+                getControlPanel().showWhole();
             }
-            else if ( ( _phylogeny.getRoot().getDistanceToParent() > 0.0 ) && getControlPanel().isDrawPhylogram() ) {
-                _phylogeny.getRoot().setXcoord( ( float ) ( TreePanel.MOVE + ( _phylogeny.getRoot()
-                        .getDistanceToParent() * getXcorrectionFactor() ) ) );
+            else if ( e.isShiftDown()
+                    && ( ( e.getKeyCode() == KeyEvent.VK_SUBTRACT ) || ( e.getKeyCode() == KeyEvent.VK_MINUS ) ) ) {
+                getMainPanel().getTreeFontSet().decreaseFontSize( 1, false );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
-            else {
-                _phylogeny.getRoot().setXcoord( TreePanel.MOVE + getXdistance() );
+            else if ( e.isShiftDown() && plusPressed( e.getKeyCode() ) ) {
+                getMainPanel().getTreeFontSet().increaseFontSize();
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
-            // Position starting Y of tree
-            _phylogeny.getRoot().setYcoord( ( getYdistance() * _phylogeny.getRoot().getNumberOfExternalNodes() )
-                    + ( TreePanel.MOVE / 2.0f ) );
-            final int dynamic_hiding_factor = calcDynamicHidingFactor();
-            if ( getControlPanel().isDynamicallyHideData() ) {
-                if ( dynamic_hiding_factor > 1 ) {
-                    getControlPanel().setDynamicHidingIsOn( true );
-                }
-                else {
-                    getControlPanel().setDynamicHidingIsOn( false );
-                }
+            else if ( e.getKeyCode() == KeyEvent.VK_O ) {
+                getControlPanel().orderPressed( this );
             }
-            if ( _nodes_in_preorder == null ) {
-                _nodes_in_preorder = new PhylogenyNode[ _phylogeny.getNodeCount() ];
-                int i = 0;
-                for( final PhylogenyNodeIterator it = _phylogeny.iteratorPreorder(); it.hasNext(); ) {
-                    _nodes_in_preorder[ i++ ] = it.next();
-                }
+            else if ( e.getKeyCode() == KeyEvent.VK_R ) {
+                getControlPanel().returnedToSuperTreePressed();
             }
-            //final PhylogenyNodeIterator it;
-            //for( it = _phylogeny.iteratorPreorder(); it.hasNext(); ) {
-            //    paintNodeRectangular( g, it.next(), to_pdf, getControlPanel().isDynamicallyHideData()
-            //            && ( dynamic_hiding_factor > 1 ), dynamic_hiding_factor, to_graphics_file );
-            //}
-            for( final PhylogenyNode element : _nodes_in_preorder ) {
-                paintNodeRectangular( g, element, to_pdf, getControlPanel().isDynamicallyHideData()
-                        && ( dynamic_hiding_factor > 1 ), dynamic_hiding_factor, to_graphics_file );
+            else if ( e.getKeyCode() == KeyEvent.VK_U ) {
+                getControlPanel().uncollapseAll( this );
+                getControlPanel().displayedPhylogenyMightHaveChanged( false );
             }
-            if ( getOptions().isShowScale() && getControlPanel().isDrawPhylogram() && ( getScaleDistance() > 0.0 ) ) {
-                if ( !( to_graphics_file || to_pdf ) ) {
-                    paintScale( g,
-                                getVisibleRect().x,
-                                getVisibleRect().y + getVisibleRect().height,
-                                to_pdf,
-                                to_graphics_file );
-                }
-                else {
-                    paintScale( g, graphics_file_x, graphics_file_y + graphics_file_height, to_pdf, to_graphics_file );
-                }
+            else if ( e.getKeyCode() == KeyEvent.VK_UP ) {
+                getMainPanel().getControlPanel().zoomInY( AptxConstants.WHEEL_ZOOM_IN_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
             }
-            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
-                paintPhylogenyLite( g );
+            else if ( e.getKeyCode() == KeyEvent.VK_DOWN ) {
+                getMainPanel().getControlPanel().zoomOutY( AptxConstants.WHEEL_ZOOM_OUT_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
             }
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            if ( getControlPanel().getDynamicallyHideData() != null ) {
-                getControlPanel().setDynamicHidingIsOn( false );
+            else if ( e.getKeyCode() == KeyEvent.VK_LEFT ) {
+                getMainPanel().getControlPanel().zoomOutX( AptxConstants.WHEEL_ZOOM_OUT_FACTOR,
+                                                           AptxConstants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
             }
-            final double angle = getStartingAngle();
-            final boolean radial_labels = getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.RADIAL;
-            _dynamic_hiding_factor = 0;
-            if ( getControlPanel().isDynamicallyHideData() ) {
-                _dynamic_hiding_factor = ( int ) ( ( getFontMetricsForLargeDefaultFont().getHeight() * 1.5 * getPhylogeny()
-                        .getNumberOfExternalNodes() ) / ( TWO_PI * 10 ) );
+            else if ( e.getKeyCode() == KeyEvent.VK_RIGHT ) {
+                getMainPanel().getControlPanel().zoomInX( AptxConstants.WHEEL_ZOOM_IN_FACTOR,
+                                                          AptxConstants.WHEEL_ZOOM_IN_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
             }
-            if ( getControlPanel().getDynamicallyHideData() != null ) {
-                if ( _dynamic_hiding_factor > 1 ) {
-                    getControlPanel().setDynamicHidingIsOn( true );
+            else if ( ( e.getKeyCode() == KeyEvent.VK_SUBTRACT ) || ( e.getKeyCode() == KeyEvent.VK_MINUS ) ) {
+                getMainPanel().getControlPanel().zoomOutY( AptxConstants.WHEEL_ZOOM_OUT_FACTOR );
+                getMainPanel().getControlPanel().zoomOutX( AptxConstants.WHEEL_ZOOM_OUT_FACTOR,
+                                                           AptxConstants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
+            }
+            else if ( plusPressed( e.getKeyCode() ) ) {
+                getMainPanel().getControlPanel().zoomInX( AptxConstants.WHEEL_ZOOM_IN_FACTOR,
+                                                          AptxConstants.WHEEL_ZOOM_IN_FACTOR );
+                getMainPanel().getControlPanel().zoomInY( AptxConstants.WHEEL_ZOOM_IN_FACTOR );
+                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
+            }
+        }
+        else {
+            if ( ( e.getKeyCode() == KeyEvent.VK_UP ) || ( e.getKeyCode() == KeyEvent.VK_DOWN )
+                    || ( e.getKeyCode() == KeyEvent.VK_LEFT ) || ( e.getKeyCode() == KeyEvent.VK_RIGHT ) ) {
+                final int d = 80;
+                int dx = 0;
+                int dy = -d;
+                if ( e.getKeyCode() == KeyEvent.VK_DOWN ) {
+                    dy = d;
+                }
+                else if ( e.getKeyCode() == KeyEvent.VK_LEFT ) {
+                    dx = -d;
+                    dy = 0;
+                }
+                else if ( e.getKeyCode() == KeyEvent.VK_RIGHT ) {
+                    dx = d;
+                    dy = 0;
+                }
+                final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
+                scroll_position.x = scroll_position.x + dx;
+                scroll_position.y = scroll_position.y + dy;
+                if ( scroll_position.x <= 0 ) {
+                    scroll_position.x = 0;
                 }
                 else {
-                    getControlPanel().setDynamicHidingIsOn( false );
+                    final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
+                            - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
+                    if ( scroll_position.x >= max_x ) {
+                        scroll_position.x = max_x;
+                    }
                 }
-            }
-            paintUnrooted( _phylogeny.getRoot(),
-                           angle,
-                           ( float ) ( angle + ( 2 * Math.PI ) ),
-                           radial_labels,
-                           g,
-                           to_pdf,
-                           to_graphics_file );
-            if ( getOptions().isShowScale() ) {
-                if ( !( to_graphics_file || to_pdf ) ) {
-                    paintScale( g,
-                                getVisibleRect().x,
-                                getVisibleRect().y + getVisibleRect().height,
-                                to_pdf,
-                                to_graphics_file );
+                if ( scroll_position.y <= 0 ) {
+                    scroll_position.y = 0;
                 }
                 else {
-                    paintScale( g, graphics_file_x, graphics_file_y + graphics_file_height, to_pdf, to_graphics_file );
+                    final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
+                            - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
+                    if ( scroll_position.y >= max_y ) {
+                        scroll_position.y = max_y;
+                    }
                 }
+                repaint();
+                getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
             }
-            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
-                g.setColor( getTreeColorSet().getOvColor() );
-                paintUnrootedLite( _phylogeny.getRoot(),
-                                   angle,
-                                   angle + ( 2 * Math.PI ),
-                                   g,
-                                   ( getUrtFactorOv() / ( getVisibleRect().width / getOvMaxWidth() ) ) );
-                paintOvRectangle( g );
-            }
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
-            final int radius = ( int ) ( ( Math.min( getPreferredSize().getWidth(), getPreferredSize().getHeight() ) / 2 ) - ( MOVE + getLongestExtNodeInfo() ) );
-            final int d = radius + MOVE + getLongestExtNodeInfo();
-            _dynamic_hiding_factor = 0;
-            if ( getControlPanel().isDynamicallyHideData() && ( radius > 0 ) ) {
-                _dynamic_hiding_factor = ( int ) ( ( getFontMetricsForLargeDefaultFont().getHeight() * 1.5 * getPhylogeny()
-                        .getNumberOfExternalNodes() ) / ( TWO_PI * radius ) );
-            }
-            if ( getControlPanel().getDynamicallyHideData() != null ) {
-                if ( _dynamic_hiding_factor > 1 ) {
-                    getControlPanel().setDynamicHidingIsOn( true );
+            else if ( e.getKeyCode() == KeyEvent.VK_S ) {
+                if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+                    setStartingAngle( ( getStartingAngle() % TWO_PI ) + ANGLE_ROTATION_UNIT );
+                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
                 }
-                else {
-                    getControlPanel().setDynamicHidingIsOn( false );
+            }
+            else if ( e.getKeyCode() == KeyEvent.VK_A ) {
+                if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+                    setStartingAngle( ( getStartingAngle() % TWO_PI ) - ANGLE_ROTATION_UNIT );
+                    if ( getStartingAngle() < 0 ) {
+                        setStartingAngle( TWO_PI + getStartingAngle() );
+                    }
+                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
                 }
             }
-            paintCircular( _phylogeny, getStartingAngle(), d, d, radius > 0 ? radius : 0, g, to_pdf, to_graphics_file );
-            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
-                final int radius_ov = ( int ) ( getOvMaxHeight() < getOvMaxWidth() ? getOvMaxHeight() / 2
-                        : getOvMaxWidth() / 2 );
-                double x_scale = 1.0;
-                double y_scale = 1.0;
-                int x_pos = getVisibleRect().x + getOvXPosition();
-                int y_pos = getVisibleRect().y + getOvYPosition();
-                if ( getWidth() > getHeight() ) {
-                    x_scale = ( double ) getHeight() / getWidth();
-                    x_pos = ForesterUtil.roundToInt( x_pos / x_scale );
+            else if ( e.getKeyCode() == KeyEvent.VK_D ) {
+                boolean selected = false;
+                if ( getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.HORIZONTAL ) {
+                    getOptions().setNodeLabelDirection( NODE_LABEL_DIRECTION.RADIAL );
+                    selected = true;
                 }
                 else {
-                    y_scale = ( double ) getWidth() / getHeight();
-                    y_pos = ForesterUtil.roundToInt( y_pos / y_scale );
+                    getOptions().setNodeLabelDirection( NODE_LABEL_DIRECTION.HORIZONTAL );
                 }
-                _at = g.getTransform();
-                g.scale( x_scale, y_scale );
-                paintCircularLite( _phylogeny,
-                                   getStartingAngle(),
-                                   x_pos + radius_ov,
-                                   y_pos + radius_ov,
-                                   ( int ) ( radius_ov - ( getLongestExtNodeInfo() / ( getVisibleRect().width / getOvRectangle()
-                                           .getWidth() ) ) ),
-                                   g );
-                g.setTransform( _at );
-                paintOvRectangle( g );
+                getMainPanel().getMainFrame().getlabelDirectionCbmi().setSelected( selected );
+                repaint();
             }
-        }
-    }
-
-    final void recalculateMaxDistanceToRoot() {
-        _max_distance_to_root = PhylogenyMethods.calculateMaxDistanceToRoot( getPhylogeny() );
-    }
-
-    /**
-     * Remove all edit-node frames
-     */
-    final void removeAllEditNodeJFrames() {
-        for( int i = 0; i <= ( TreePanel.MAX_NODE_FRAMES - 1 ); i++ ) {
-            if ( _node_frames[ i ] != null ) {
-                _node_frames[ i ].dispose();
-                _node_frames[ i ] = null;
+            else if ( e.getKeyCode() == KeyEvent.VK_X ) {
+                switchDisplaygetPhylogenyGraphicsType();
+                repaint();
+            }
+            else if ( e.getKeyCode() == KeyEvent.VK_C ) {
+                cycleColors();
+                repaint();
+            }
+            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_O ) ) {
+                MainFrame.cycleOverview( getOptions(), this );
+                repaint();
+            }
+            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_I ) ) {
+                increaseOvSize();
+            }
+            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_U ) ) {
+                decreaseOvSize();
             }
         }
-        _node_frame_index = 0;
+        if ( e.getKeyCode() == KeyEvent.VK_HOME || e.getKeyCode() == KeyEvent.VK_ESCAPE ) {
+            getControlPanel().showWhole();
+        }
+        else if ( e.getKeyCode() == KeyEvent.VK_PAGE_UP ) {
+            getMainPanel().getTreeFontSet().increaseFontSize();
+            getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
+        }
+        else if ( e.getKeyCode() == KeyEvent.VK_PAGE_DOWN ) {
+            getMainPanel().getTreeFontSet().decreaseFontSize( 1, false );
+            getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
+        }
+        e.consume();
     }
 
-    /**
-     * Remove a node-edit frame.
-     */
-    final void removeEditNodeFrame( final int i ) {
-        _node_frame_index--;
-        _node_frames[ i ] = null;
-        if ( i < _node_frame_index ) {
-            for( int j = 0; j < ( _node_frame_index - 1 ); j++ ) {
-                _node_frames[ j ] = _node_frames[ j + 1 ];
+    final private void makePopupMenus( final PhylogenyNode node ) {
+        _node_popup_menu = new JPopupMenu();
+        final List<String> clickto_names = _main_panel.getControlPanel().getSingleClickToNames();
+        _node_popup_menu_items = new JMenuItem[ clickto_names.size() ];
+        for( int i = 0; i < clickto_names.size(); i++ ) {
+            final String title = clickto_names.get( i );
+            _node_popup_menu_items[ i ] = new JMenuItem( title );
+            if ( title.equals( Configuration.clickto_options[ Configuration.open_seq_web ][ 0 ] ) ) {
+                final String id = isCanOpenSeqWeb( node );
+                if ( !ForesterUtil.isEmpty( id ) ) {
+                    _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " [" + id + "]" );
+                    _node_popup_menu_items[ i ].setEnabled( true );
+                }
+                else {
+                    _node_popup_menu_items[ i ].setEnabled( false );
+                }
             }
-            _node_frames[ _node_frame_index ] = null;
+            else if ( title.equals( Configuration.clickto_options[ Configuration.open_pdb_web ][ 0 ] ) ) {
+                final List<Accession> accs = getPdbAccs( node );
+                _node_popup_menu_items[ i ] = new JMenuItem( title );
+                if ( !ForesterUtil.isEmpty( accs ) ) {
+                    if ( accs.size() == 1 ) {
+                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
+                                + TreePanelUtil.pdbAccToString( accs, 0 ) + "]" );
+                        _node_popup_menu_items[ i ].setEnabled( true );
+                    }
+                    else if ( accs.size() == 2 ) {
+                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
+                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
+                                + TreePanelUtil.pdbAccToString( accs, 1 ) + "]" );
+                        _node_popup_menu_items[ i ].setEnabled( true );
+                    }
+                    else if ( accs.size() == 3 ) {
+                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
+                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
+                                + TreePanelUtil.pdbAccToString( accs, 1 ) + ", "
+                                + TreePanelUtil.pdbAccToString( accs, 2 ) + "]" );
+                        _node_popup_menu_items[ i ].setEnabled( true );
+                    }
+                    else {
+                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
+                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
+                                + TreePanelUtil.pdbAccToString( accs, 1 ) + ", "
+                                + TreePanelUtil.pdbAccToString( accs, 2 ) + ", + " + ( accs.size() - 3 ) + " more]" );
+                        _node_popup_menu_items[ i ].setEnabled( true );
+                    }
+                }
+                else {
+                    _node_popup_menu_items[ i ].setEnabled( false );
+                }
+            }
+            else if ( title.startsWith( Configuration.clickto_options[ Configuration.get_ext_desc_data ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ]
+                        .setText( Configuration.clickto_options[ Configuration.get_ext_desc_data ][ 0 ] + ": "
+                                + getOptions().getExtDescNodeDataToReturn().toString() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.open_tax_web ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanOpenTaxWeb( node ) );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.blast ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanBlast( node ) );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.delete_subtree_or_node ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+                _node_popup_menu_items[ i ].setEnabled( isCanDelete() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.cut_subtree ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+                _node_popup_menu_items[ i ].setEnabled( isCanCut( node ) );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.copy_subtree ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+                _node_popup_menu_items[ i ].setEnabled( isCanCopy() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.paste_subtree ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+                _node_popup_menu_items[ i ].setEnabled( isCanPaste() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.edit_node_data ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.add_new_node ][ 0 ] ) ) {
+                if ( !getOptions().isEditable() ) {
+                    continue;
+                }
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.reroot ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanReroot() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.collapse_uncollapse ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( ( isCanCollapse() && !node.isExternal() ) );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.color_subtree ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanColorSubtree() );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.subtree ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanSubtree( node ) );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.swap ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( node.getNumberOfDescendants() == 2 );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.sort_descendents ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( node.getNumberOfDescendants() > 1 );
+            }
+            else if ( title.equals( Configuration.clickto_options[ Configuration.uncollapse_all ][ 0 ] ) ) {
+                _node_popup_menu_items[ i ].setEnabled( isCanUncollapseAll( node ) );
+            }
+            _node_popup_menu_items[ i ].addActionListener( this );
+            _node_popup_menu.add( _node_popup_menu_items[ i ] );
         }
     }
 
-    final void reRoot( final PhylogenyNode node ) {
-        if ( !getPhylogeny().isRerootable() ) {
-            JOptionPane.showMessageDialog( this,
-                                           "This is not rerootable",
-                                           "Not rerootable",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
-        }
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot reroot in unrooted display type",
-                                           "Attempt to reroot tree in unrooted display",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
-        }
-        getPhylogeny().reRoot( node );
-        getPhylogeny().recalculateNumberOfExternalDescendants( true );
-        resetNodeIdToDistToLeafMap();
-        setNodeInPreorderToNull();
-        resetPreferredSize();
-        getMainPanel().adjustJScrollPane();
-        setEdited( true );
-        repaint();
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
-            getControlPanel().showWhole();
+    private final void nodeDataAsSB( final PhylogenyNode node, final StringBuilder sb ) {
+        if ( node != null ) {
+            if ( getControlPanel().isShowNodeNames() && ( !ForesterUtil.isEmpty( node.getName() ) ) ) {
+                if ( sb.length() > 0 ) {
+                    sb.append( " " );
+                }
+                sb.append( node.getName() );
+            }
+            if ( node.getNodeData().isHasSequence() ) {
+                if ( getControlPanel().isShowSeqSymbols()
+                        && ( node.getNodeData().getSequence().getSymbol().length() > 0 ) ) {
+                    if ( sb.length() > 0 ) {
+                        sb.append( " " );
+                    }
+                    sb.append( node.getNodeData().getSequence().getSymbol() );
+                }
+                if ( getControlPanel().isShowGeneNames()
+                        && ( node.getNodeData().getSequence().getGeneName().length() > 0 ) ) {
+                    if ( sb.length() > 0 ) {
+                        sb.append( " " );
+                    }
+                    sb.append( node.getNodeData().getSequence().getGeneName() );
+                }
+                if ( getControlPanel().isShowSeqNames()
+                        && ( node.getNodeData().getSequence().getName().length() > 0 ) ) {
+                    if ( sb.length() > 0 ) {
+                        sb.append( " " );
+                    }
+                    sb.append( node.getNodeData().getSequence().getName() );
+                }
+                if ( getControlPanel().isShowSequenceAcc()
+                        && ( node.getNodeData().getSequence().getAccession() != null ) ) {
+                    if ( sb.length() > 0 ) {
+                        sb.append( " " );
+                    }
+                    if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getAccession().getSource() ) ) {
+                        sb.append( node.getNodeData().getSequence().getAccession().getSource() );
+                        sb.append( ":" );
+                    }
+                    sb.append( node.getNodeData().getSequence().getAccession().getValue() );
+                }
+            }
+            if ( getControlPanel().isShowProperties() && node.getNodeData().isHasProperties() ) {
+                if ( sb.length() > 0 ) {
+                    sb.append( " " );
+                }
+                sb.append( propertiesToString( node ) );
+            }
         }
     }
 
-    final void resetNodeIdToDistToLeafMap() {
-        _nodeid_dist_to_leaf = new HashMap<Long, Short>();
-    }
-
-    final void resetPreferredSize() {
-        if ( ( getPhylogeny() == null ) || getPhylogeny().isEmpty() ) {
-            return;
+    private final void nodeTaxonomyDataAsSB( final Taxonomy taxonomy, final StringBuilder sb ) {
+        if ( _control_panel.isShowTaxonomyRank() && !ForesterUtil.isEmpty( taxonomy.getRank() ) ) {
+            sb.append( "[" );
+            sb.append( taxonomy.getRank() );
+            sb.append( "] " );
         }
-        int x = 0;
-        int y = 0;
-        y = TreePanel.MOVE
-                + ForesterUtil.roundToInt( getYdistance() * getPhylogeny().getRoot().getNumberOfExternalNodes() * 2 );
-        if ( getControlPanel().isDrawPhylogram() ) {
-            x = TreePanel.MOVE
-                    + getLongestExtNodeInfo()
-                    + ForesterUtil
-                            .roundToInt( ( getXcorrectionFactor() * getPhylogeny().getHeight() ) + getXdistance() );
+        if ( _control_panel.isShowTaxonomyCode() && !ForesterUtil.isEmpty( taxonomy.getTaxonomyCode() ) ) {
+            sb.append( taxonomy.getTaxonomyCode() );
+            sb.append( " " );
         }
-        else {
-            if ( !isNonLinedUpCladogram() && !isUniformBranchLengthsForCladogram() ) {
-                x = TreePanel.MOVE
-                        + getLongestExtNodeInfo()
-                        + ForesterUtil.roundToInt( getXdistance()
-                                * ( getPhylogeny().getRoot().getNumberOfExternalNodes() + 2 ) );
+        if ( _control_panel.isShowTaxonomyScientificNames() && _control_panel.isShowTaxonomyCommonNames() ) {
+            if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() )
+                    && !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                if ( getOptions().isAbbreviateScientificTaxonNames()
+                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
+                    abbreviateScientificName( taxonomy.getScientificName(), sb );
+                }
+                else {
+                    sb.append( taxonomy.getScientificName() );
+                }
+                sb.append( " (" );
+                sb.append( taxonomy.getCommonName() );
+                sb.append( ") " );
             }
-            else {
-                x = TreePanel.MOVE
-                        + getLongestExtNodeInfo()
-                        + ForesterUtil.roundToInt( getXdistance()
-                                * ( PhylogenyMethods.calculateMaxDepth( getPhylogeny() ) + 1 ) );
+            else if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
+                if ( getOptions().isAbbreviateScientificTaxonNames()
+                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
+                    abbreviateScientificName( taxonomy.getScientificName(), sb );
+                }
+                else {
+                    sb.append( taxonomy.getScientificName() );
+                }
+                sb.append( " " );
+            }
+            else if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                sb.append( taxonomy.getCommonName() );
+                sb.append( " " );
             }
         }
-        setPreferredSize( new Dimension( x, y ) );
-    }
-
-    final void selectNode( final PhylogenyNode node ) {
-        if ( ( getFoundNodes0() != null ) && getFoundNodes0().contains( node.getId() ) ) {
-            getFoundNodes0().remove( node.getId() );
-            getControlPanel().setSearchFoundCountsOnLabel0( getFoundNodes0().size() );
-            if ( getFoundNodes0().size() < 1 ) {
-                getControlPanel().searchReset0();
+        else if ( _control_panel.isShowTaxonomyScientificNames() ) {
+            if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
+                if ( getOptions().isAbbreviateScientificTaxonNames()
+                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
+                    abbreviateScientificName( taxonomy.getScientificName(), sb );
+                }
+                else {
+                    sb.append( taxonomy.getScientificName() );
+                }
+                sb.append( " " );
             }
         }
-        else {
-            getControlPanel().getSearchFoundCountsLabel0().setVisible( true );
-            getControlPanel().getSearchResetButton0().setEnabled( true );
-            getControlPanel().getSearchResetButton0().setVisible( true );
-            if ( getFoundNodes0() == null ) {
-                setFoundNodes0( new HashSet<Long>() );
+        else if ( _control_panel.isShowTaxonomyCommonNames() ) {
+            if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                sb.append( taxonomy.getCommonName() );
+                sb.append( " " );
             }
-            getFoundNodes0().add( node.getId() );
-            getControlPanel().setSearchFoundCountsOnLabel0( getFoundNodes0().size() );
         }
     }
 
-    final void setArrowCursor() {
-        setCursor( ARROW_CURSOR );
-        repaint();
-    }
-
-    final void setControlPanel( final ControlPanel atv_control ) {
-        _control_panel = atv_control;
-    }
-
-    void setCurrentExternalNodesDataBuffer( final StringBuilder sb ) {
-        increaseCurrentExternalNodesDataBufferChangeCounter();
-        _current_external_nodes_data_buffer = sb;
-    }
-
-    final void setFoundNodes0( final Set<Long> found_nodes ) {
-        _found_nodes_0 = found_nodes;
+    private final String obtainTitleForExtDescNodeData() {
+        return getOptions().getExtDescNodeDataToReturn().toString();
     }
 
-    final void setFoundNodes1( final Set<Long> found_nodes ) {
-        _found_nodes_1 = found_nodes;
-    }
-
-    final void setInOvRect( final boolean in_ov_rect ) {
-        _in_ov_rect = in_ov_rect;
-    }
-
-    final void setLargeFonts() {
-        getTreeFontSet().largeFonts();
-    }
-
-    final void setLastMouseDragPointX( final float x ) {
-        _last_drag_point_x = x;
-    }
-
-    final void setLastMouseDragPointY( final float y ) {
-        _last_drag_point_y = y;
-    }
-
-    final void setLongestExtNodeInfo( final int i ) {
-        _longest_ext_node_info = i;
-    }
-
-    final void setMediumFonts() {
-        getTreeFontSet().mediumFonts();
-    }
-
-    final void setNodeInPreorderToNull() {
-        _nodes_in_preorder = null;
-    }
-
-    final void setOvOn( final boolean ov_on ) {
-        _ov_on = ov_on;
-    }
-
-    final void setPhylogenyGraphicsType( final PHYLOGENY_GRAPHICS_TYPE graphics_type ) {
-        _graphics_type = graphics_type;
-        setTextAntialias();
-    }
-
-    final void setSmallFonts() {
-        getTreeFontSet().smallFonts();
-    }
-
-    final void setStartingAngle( final double starting_angle ) {
-        _urt_starting_angle = starting_angle;
-    }
-
-    void setStatisticsForExpressionValues( final DescriptiveStatistics statistics_for_expression_values ) {
-        _statistics_for_vector_data = statistics_for_expression_values;
-    }
-
-    final void setSuperTinyFonts() {
-        getTreeFontSet().superTinyFonts();
-    }
-
-    final void setTextAntialias() {
-        if ( ( _phylogeny != null ) && !_phylogeny.isEmpty() ) {
-            if ( _phylogeny.getNumberOfExternalNodes() <= LIMIT_FOR_HQ_RENDERING ) {
-                _rendering_hints.put( RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY );
-            }
-            else {
-                _rendering_hints.put( RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED );
-            }
+    final private void openPdbWeb( final PhylogenyNode node ) {
+        final List<Accession> pdb_ids = getPdbAccs( node );
+        if ( ForesterUtil.isEmpty( pdb_ids ) ) {
+            cannotOpenBrowserWarningMessage( "PDB" );
+            return;
         }
-        if ( getMainPanel().getOptions().isAntialiasScreen() ) {
-            _rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON );
-            // try {
-            _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB );
-            // }
-            // catch ( final Throwable e ) {
-            //    _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
-            //}
+        final List<String> uri_strs = TreePanelUtil.createUrisForPdbWeb( node, pdb_ids, getConfiguration(), this );
+        if ( !ForesterUtil.isEmpty( uri_strs ) ) {
+            for( final String uri_str : uri_strs ) {
+                try {
+                    AptxUtil.launchWebBrowser( new URI( uri_str ), "_aptx_seq" );
+                }
+                catch ( final IOException e ) {
+                    AptxUtil.showErrorMessage( this, e.toString() );
+                    e.printStackTrace();
+                }
+                catch ( final URISyntaxException e ) {
+                    AptxUtil.showErrorMessage( this, e.toString() );
+                    e.printStackTrace();
+                }
+            }
         }
         else {
-            _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF );
-            _rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF );
+            cannotOpenBrowserWarningMessage( "PDB" );
         }
     }
 
-    final void setTinyFonts() {
-        getTreeFontSet().tinyFonts();
-    }
-
-    final void setTreeFile( final File treefile ) {
-        _treefile = treefile;
-    }
-
-    final void setXcorrectionFactor( final float f ) {
-        _x_correction_factor = f;
-    }
-
-    final void setXdistance( final float x ) {
-        _x_distance = x;
-    }
-
-    final void setYdistance( final float y ) {
-        _y_distance = y;
-    }
-
-    final void sortDescendants( final PhylogenyNode node ) {
-        if ( !node.isExternal() ) {
-            DESCENDANT_SORT_PRIORITY pri = DESCENDANT_SORT_PRIORITY.TAXONOMY;
-            if ( ( !getControlPanel().isShowTaxonomyScientificNames() && !getControlPanel().isShowTaxonomyCode() && !getControlPanel()
-                    .isShowTaxonomyCommonNames() ) ) {
-                if ( ( getControlPanel().isShowSequenceAcc() || getControlPanel().isShowSeqNames() || getControlPanel()
-                        .isShowSeqSymbols() ) ) {
-                    pri = DESCENDANT_SORT_PRIORITY.SEQUENCE;
-                }
-                else if ( getControlPanel().isShowNodeNames() ) {
-                    pri = DESCENDANT_SORT_PRIORITY.NODE_NAME;
-                }
+    final private void openSeqWeb( final PhylogenyNode node ) {
+        if ( ForesterUtil.isEmpty( isCanOpenSeqWeb( node ) ) ) {
+            cannotOpenBrowserWarningMessage( "sequence" );
+            return;
+        }
+        final String uri_str = TreePanelUtil.createUriForSeqWeb( node, getConfiguration(), this );
+        if ( !ForesterUtil.isEmpty( uri_str ) ) {
+            try {
+                AptxUtil.launchWebBrowser( new URI( uri_str ), "_aptx_seq" );
+            }
+            catch ( final IOException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
+            catch ( final URISyntaxException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
             }
-            PhylogenyMethods.sortNodeDescendents( node, pri );
-            setNodeInPreorderToNull();
-            _phylogeny.externalNodesHaveChanged();
-            _phylogeny.clearHashIdToNodeMap();
-            _phylogeny.recalculateNumberOfExternalDescendants( true );
-            resetNodeIdToDistToLeafMap();
-            setEdited( true );
         }
-        repaint();
+        else {
+            cannotOpenBrowserWarningMessage( "sequence" );
+        }
     }
 
-    final void subTree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot get a sub/super tree in unrooted display",
-                                           "Attempt to get sub/super tree in unrooted display",
-                                           JOptionPane.WARNING_MESSAGE );
+    final private void openTaxWeb( final PhylogenyNode node ) {
+        if ( !isCanOpenTaxWeb( node ) ) {
+            cannotOpenBrowserWarningMessage( "taxonomic" );
             return;
         }
-        if ( node.isExternal() ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot get a subtree of a external node",
-                                           "Attempt to get subtree of external node",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
+        String uri_str = null;
+        final Taxonomy tax = node.getNodeData().getTaxonomy();
+        if ( ( tax.getIdentifier() != null ) && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() )
+                && tax.getIdentifier().getValue().startsWith( "http://" ) ) {
+            try {
+                uri_str = new URI( tax.getIdentifier().getValue() ).toString();
+            }
+            catch ( final URISyntaxException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                uri_str = null;
+                e.printStackTrace();
+            }
         }
-        if ( node.isRoot() && !isCurrentTreeIsSubtree() ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot get a subtree of the root node",
-                                           "Attempt to get subtree of root node",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
+        else if ( ( tax.getIdentifier() != null ) && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() )
+                && !ForesterUtil.isEmpty( tax.getIdentifier().getProvider() )
+                && ( tax.getIdentifier().getProvider().equalsIgnoreCase( "ncbi" )
+                        || tax.getIdentifier().getProvider().equalsIgnoreCase( "uniprot" ) ) ) {
+            try {
+                uri_str = "http://www.uniprot.org/taxonomy/"
+                        + URLEncoder.encode( tax.getIdentifier().getValue(), ForesterConstants.UTF_8 );
+            }
+            catch ( final UnsupportedEncodingException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
         }
-        setNodeInPreorderToNull();
-        if ( !node.isExternal() && !node.isRoot() && ( _subtree_index <= ( TreePanel.MAX_SUBTREES - 1 ) ) ) {
-            _sub_phylogenies[ _subtree_index ] = _phylogeny;
-            _sub_phylogenies_temp_roots[ _subtree_index ] = node;
-            ++_subtree_index;
-            _phylogeny = TreePanelUtil.subTree( node, _phylogeny );
-            updateSubSuperTreeButton();
+        else if ( !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
+            try {
+                uri_str = "http://www.uniprot.org/taxonomy/?query="
+                        + URLEncoder.encode( tax.getScientificName(), ForesterConstants.UTF_8 );
+            }
+            catch ( final UnsupportedEncodingException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
         }
-        else if ( node.isRoot() && isCurrentTreeIsSubtree() ) {
-            superTree();
+        else if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
+            try {
+                uri_str = "http://www.uniprot.org/taxonomy/?query="
+                        + URLEncoder.encode( tax.getTaxonomyCode(), ForesterConstants.UTF_8 );
+            }
+            catch ( final UnsupportedEncodingException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
         }
-        _main_panel.getControlPanel().showWhole();
-        repaint();
-    }
-
-    final void superTree() {
-        setNodeInPreorderToNull();
-        final PhylogenyNode temp_root = _sub_phylogenies_temp_roots[ _subtree_index - 1 ];
-        for( final PhylogenyNode n : temp_root.getDescendants() ) {
-            n.setParent( temp_root );
+        else if ( !ForesterUtil.isEmpty( tax.getCommonName() ) ) {
+            try {
+                uri_str = "http://www.uniprot.org/taxonomy/?query="
+                        + URLEncoder.encode( tax.getCommonName(), ForesterConstants.UTF_8 );
+            }
+            catch ( final UnsupportedEncodingException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
+        }
+        if ( !ForesterUtil.isEmpty( uri_str ) ) {
+            try {
+                AptxUtil.launchWebBrowser( new URI( uri_str ), "_aptx_tax" );
+            }
+            catch ( final IOException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
+            catch ( final URISyntaxException e ) {
+                AptxUtil.showErrorMessage( this, e.toString() );
+                e.printStackTrace();
+            }
+        }
+        else {
+            cannotOpenBrowserWarningMessage( "taxonomic" );
         }
-        _sub_phylogenies[ _subtree_index ] = null;
-        _sub_phylogenies_temp_roots[ _subtree_index ] = null;
-        _phylogeny = _sub_phylogenies[ --_subtree_index ];
-        updateSubSuperTreeButton();
     }
 
-    final void swap( final PhylogenyNode node ) {
-        if ( node.isExternal() || ( node.getNumberOfDescendants() < 2 ) ) {
-            return;
+    final private void paintBranchLength( final Graphics2D g,
+                                          final PhylogenyNode node,
+                                          final boolean to_pdf,
+                                          final boolean to_graphics_file ) {
+        g.setFont( getTreeFontSet().getSmallFont() );
+        if ( to_pdf || ( to_graphics_file && getOptions().isPrintBlackAndWhite() ) ) {
+            g.setColor( Color.BLACK );
         }
-        if ( node.getNumberOfDescendants() > 2 ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot swap descendants of nodes with more than 2 descendants",
-                                           "Cannot swap descendants",
-                                           JOptionPane.ERROR_MESSAGE );
-            return;
-        }
-        if ( !node.isExternal() ) {
-            node.swapChildren();
-            setNodeInPreorderToNull();
-            _phylogeny.externalNodesHaveChanged();
-            _phylogeny.clearHashIdToNodeMap();
-            _phylogeny.recalculateNumberOfExternalDescendants( true );
-            resetNodeIdToDistToLeafMap();
-            setEdited( true );
-        }
-        repaint();
-    }
-
-    final void taxColor() {
-        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
-            return;
-        }
-        setWaitCursor();
-        TreePanelUtil.colorPhylogenyAccordingToExternalTaxonomy( _phylogeny, this );
-        _control_panel.setColorBranches( true );
-        if ( _control_panel.getUseVisualStylesCb() != null ) {
-            _control_panel.getUseVisualStylesCb().setSelected( true );
-        }
-        setEdited( true );
-        setArrowCursor();
-        repaint();
-    }
-
-    final void updateOvSettings() {
-        switch ( getOptions().getOvPlacement() ) {
-            case LOWER_LEFT:
-                setOvXPosition( OV_BORDER );
-                setOvYPosition( ForesterUtil.roundToInt( getVisibleRect().height - OV_BORDER - getOvMaxHeight() ) );
-                setOvYStart( ForesterUtil.roundToInt( getOvYPosition() + ( getOvMaxHeight() / 2 ) ) );
-                break;
-            case LOWER_RIGHT:
-                setOvXPosition( ForesterUtil.roundToInt( getVisibleRect().width - OV_BORDER - getOvMaxWidth() ) );
-                setOvYPosition( ForesterUtil.roundToInt( getVisibleRect().height - OV_BORDER - getOvMaxHeight() ) );
-                setOvYStart( ForesterUtil.roundToInt( getOvYPosition() + ( getOvMaxHeight() / 2 ) ) );
-                break;
-            case UPPER_RIGHT:
-                setOvXPosition( ForesterUtil.roundToInt( getVisibleRect().width - OV_BORDER - getOvMaxWidth() ) );
-                setOvYPosition( OV_BORDER );
-                setOvYStart( ForesterUtil.roundToInt( OV_BORDER + ( getOvMaxHeight() / 2 ) ) );
-                break;
-            default:
-                setOvXPosition( OV_BORDER );
-                setOvYPosition( OV_BORDER );
-                setOvYStart( ForesterUtil.roundToInt( OV_BORDER + ( getOvMaxHeight() / 2 ) ) );
-                break;
+        else {
+            g.setColor( getTreeColorSet().getBranchLengthColor() );
         }
-    }
-
-    final void updateOvSizes() {
-        if ( ( getWidth() > ( 1.05 * getVisibleRect().width ) ) || ( getHeight() > ( 1.05 * getVisibleRect().height ) ) ) {
-            setOvOn( true );
-            float l = getLongestExtNodeInfo();
-            final float w_ratio = getOvMaxWidth() / getWidth();
-            l *= w_ratio;
-            final int ext_nodes = _phylogeny.getRoot().getNumberOfExternalNodes();
-            setOvYDistance( getOvMaxHeight() / ( 2 * ext_nodes ) );
-            float ov_xdist = 0;
-            if ( !isNonLinedUpCladogram() && !isUniformBranchLengthsForCladogram() ) {
-                ov_xdist = ( ( getOvMaxWidth() - l ) / ( ext_nodes ) );
-            }
-            else {
-                ov_xdist = ( ( getOvMaxWidth() - l ) / ( PhylogenyMethods.calculateMaxDepth( _phylogeny ) ) );
-            }
-            float ydist = ( float ) ( ( getOvMaxWidth() / ( ext_nodes * 2.0 ) ) );
-            if ( ov_xdist < 0.0 ) {
-                ov_xdist = 0.0f;
-            }
-            if ( ydist < 0.0 ) {
-                ydist = 0.0f;
+        if ( !node.isRoot() ) {
+            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
+                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ),
+                                      node.getParent().getXcoord() + EURO_D,
+                                      node.getYcoord() - getTreeFontSet().getSmallMaxDescent(),
+                                      g );
             }
-            setOvXDistance( ov_xdist );
-            final double height = _phylogeny.getHeight();
-            if ( height > 0 ) {
-                final float ov_corr = ( float ) ( ( ( getOvMaxWidth() - l ) - getOvXDistance() ) / height );
-                setOvXcorrectionFactor( ov_corr > 0 ? ov_corr : 0 );
+            else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
+                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ),
+                                      node.getParent().getXcoord() + ROUNDED_D,
+                                      node.getYcoord() - getTreeFontSet().getSmallMaxDescent(),
+                                      g );
             }
             else {
-                setOvXcorrectionFactor( 0 );
-            }
-        }
-        else {
-            setOvOn( false );
-        }
-    }
-
-    void updateSetOfCollapsedExternalNodes() {
-        final Phylogeny phy = getPhylogeny();
-        _collapsed_external_nodeid_set.clear();
-        if ( phy != null ) {
-            E: for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
-                final PhylogenyNode ext_node = it.next();
-                PhylogenyNode n = ext_node;
-                while ( !n.isRoot() ) {
-                    if ( n.isCollapse() ) {
-                        _collapsed_external_nodeid_set.add( ext_node.getId() );
-                        ext_node.setCollapse( true );
-                        continue E;
-                    }
-                    n = n.getParent();
-                }
+                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ),
+                                      node.getParent().getXcoord() + 3,
+                                      node.getYcoord() - getTreeFontSet().getSmallMaxDescent(),
+                                      g );
             }
         }
-    }
-
-    final void updateSubSuperTreeButton() {
-        if ( _subtree_index < 1 ) {
-            getControlPanel().deactivateButtonToReturnToSuperTree();
-        }
         else {
-            getControlPanel().activateButtonToReturnToSuperTree( _subtree_index );
-        }
-    }
-
-    final void zoomInDomainStructure() {
-        if ( _domain_structure_width < 2000 ) {
-            _domain_structure_width *= 1.2;
-        }
-    }
-
-    final void zoomOutDomainStructure() {
-        if ( _domain_structure_width > 20 ) {
-            _domain_structure_width *= 0.8;
+            TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ),
+                                  3,
+                                  node.getYcoord() - getTreeFontSet().getSmallMaxDescent(),
+                                  g );
         }
     }
 
-    private void abbreviateScientificName( final String sn, final StringBuilder sb ) {
-        final String[] a = sn.split( "\\s+" );
-        sb.append( a[ 0 ].substring( 0, 1 ) );
-        sb.append( a[ 1 ].substring( 0, 2 ) );
-        if ( a.length > 2 ) {
-            for( int i = 2; i < a.length; i++ ) {
-                sb.append( " " );
-                sb.append( a[ i ] );
-            }
+    final private void paintBranchLite( final Graphics2D g,
+                                        final float x1,
+                                        final float x2,
+                                        final float y1,
+                                        final float y2,
+                                        final PhylogenyNode node ) {
+        g.setColor( getTreeColorSet().getOvColor() );
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR ) {
+            drawLine( x1, y1, x2, y2, g );
         }
-    }
-
-    final private void addEmptyNode( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            errorMessageNoCutCopyPasteInUnrootedDisplay();
-            return;
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CONVEX ) {
+            _quad_curve.setCurve( x1, y1, x1, y2, x2, y2 );
+            ( g ).draw( _quad_curve );
         }
-        final String label = createASimpleTextRepresentationOfANode( node );
-        String msg = "";
-        if ( ForesterUtil.isEmpty( label ) ) {
-            msg = "How to add the new, empty node?";
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CURVED ) {
+            final float dx = x2 - x1;
+            final float dy = y2 - y1;
+            _cubic_curve.setCurve( x1,
+                                   y1,
+                                   x1 + ( dx * 0.4f ),
+                                   y1 + ( dy * 0.2f ),
+                                   x1 + ( dx * 0.6f ),
+                                   y1 + ( dy * 0.8f ),
+                                   x2,
+                                   y2 );
+            ( g ).draw( _cubic_curve );
         }
         else {
-            msg = "How to add the new, empty node to node" + label + "?";
-        }
-        final Object[] options = { "As sibling", "As descendant", "Cancel" };
-        final int r = JOptionPane.showOptionDialog( this,
-                                                    msg,
-                                                    "Addition of Empty New Node",
-                                                    JOptionPane.CLOSED_OPTION,
-                                                    JOptionPane.QUESTION_MESSAGE,
-                                                    null,
-                                                    options,
-                                                    options[ 2 ] );
-        boolean add_as_sibling = true;
-        if ( r == 1 ) {
-            add_as_sibling = false;
-        }
-        else if ( r != 0 ) {
-            return;
-        }
-        final Phylogeny phy = new Phylogeny();
-        phy.setRoot( new PhylogenyNode() );
-        phy.setRooted( true );
-        if ( add_as_sibling ) {
-            if ( node.isRoot() ) {
-                JOptionPane.showMessageDialog( this,
-                                               "Cannot add sibling to root",
-                                               "Attempt to add sibling to root",
-                                               JOptionPane.ERROR_MESSAGE );
-                return;
+            final float x2a = x2;
+            final float x1a = x1;
+            // draw the vertical line
+            if ( node.isFirstChildNode() || node.isLastChildNode() ) {
+                drawLine( x1, y1, x1, y2, g );
             }
-            phy.addAsSibling( node );
-        }
-        else {
-            phy.addAsChild( node );
-        }
-        setNodeInPreorderToNull();
-        _phylogeny.externalNodesHaveChanged();
-        _phylogeny.clearHashIdToNodeMap();
-        _phylogeny.recalculateNumberOfExternalDescendants( true );
-        resetNodeIdToDistToLeafMap();
-        setEdited( true );
-        repaint();
-    }
-
-    final private void addToCurrentExternalNodes( final long i ) {
-        if ( _current_external_nodes == null ) {
-            _current_external_nodes = new HashSet<Long>();
+            // draw the horizontal line
+            drawLine( x1a, y2, x2a, y2, g );
         }
-        _current_external_nodes.add( i );
     }
 
-    final private void assignGraphicsForBranchWithColorForParentBranch( final PhylogenyNode node,
-                                                                        final boolean is_vertical,
-                                                                        final Graphics g,
-                                                                        final boolean to_pdf,
-                                                                        final boolean to_graphics_file ) {
-        final NodeClickAction action = _control_panel.getActionWhenNodeClicked();
-        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-            g.setColor( Color.BLACK );
-        }
-        else if ( ( ( action == NodeClickAction.COPY_SUBTREE ) || ( action == NodeClickAction.CUT_SUBTREE )
-                || ( action == NodeClickAction.DELETE_NODE_OR_SUBTREE ) || ( action == NodeClickAction.PASTE_SUBTREE ) || ( action == NodeClickAction.ADD_NEW_NODE ) )
-                && ( getCutOrCopiedTree() != null )
-                && ( getCopiedAndPastedNodes() != null )
-                && !to_pdf
-                && !to_graphics_file && getCopiedAndPastedNodes().contains( node.getId() ) ) {
-            g.setColor( getTreeColorSet().getFoundColor0() );
+    /**
+     * Paint a branch which consists of a vertical and a horizontal bar
+     * @param is_ind_found_nodes
+     */
+    final private void paintBranchRectangular( final Graphics2D g,
+                                               final float x1,
+                                               final float x2,
+                                               final float y1,
+                                               final float y2,
+                                               final PhylogenyNode node,
+                                               final boolean to_pdf,
+                                               final boolean to_graphics_file ) {
+        assignGraphicsForBranchWithColorForParentBranch( node, false, g, to_pdf, to_graphics_file );
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR ) {
+            drawLine( x1, y1, x2, y2, g );
         }
-        else if ( getControlPanel().isUseVisualStyles() && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
-            g.setColor( PhylogenyMethods.getBranchColorValue( node ) );
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CONVEX ) {
+            _quad_curve.setCurve( x1, y1, x1, y2, x2, y2 );
+            g.draw( _quad_curve );
         }
-        else if ( to_pdf ) {
-            g.setColor( getTreeColorSet().getBranchColorForPdf() );
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CURVED ) {
+            final float dx = x2 - x1;
+            final float dy = y2 - y1;
+            _cubic_curve.setCurve( x1,
+                                   y1,
+                                   x1 + ( dx * 0.4f ),
+                                   y1 + ( dy * 0.2f ),
+                                   x1 + ( dx * 0.6f ),
+                                   y1 + ( dy * 0.8f ),
+                                   x2,
+                                   y2 );
+            g.draw( _cubic_curve );
         }
         else {
-            g.setColor( getTreeColorSet().getBranchColor() );
-        }
-    }
-
-    final private void blast( final PhylogenyNode node ) {
-        if ( !isCanBlast( node ) ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Insufficient information present",
-                                           "Cannot Blast",
-                                           JOptionPane.INFORMATION_MESSAGE );
-            return;
-        }
-        else {
-            final String query = Blast.obtainQueryForBlast( node );
-            System.out.println( "query for BLAST is: " + query );
-            char type = '?';
-            if ( !ForesterUtil.isEmpty( query ) ) {
-                if ( node.getNodeData().isHasSequence() ) {
-                    if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getType() ) ) {
-                        if ( node.getNodeData().getSequence().getType().toLowerCase()
-                                .equals( PhyloXmlUtil.SEQ_TYPE_PROTEIN ) ) {
-                            type = 'p';
-                        }
-                        else {
-                            type = 'n';
+            final float x2a = x2;
+            final float x1a = x1;
+            float y2_r = 0;
+            if ( node.isFirstChildNode() || node.isLastChildNode()
+                    || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE )
+                    || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
+                if ( !to_graphics_file && !to_pdf
+                        && ( ( ( y2 < ( getVisibleRect().getMinY() - 20 ) )
+                                && ( y1 < ( getVisibleRect().getMinY() - 20 ) ) )
+                                || ( ( y2 > ( getVisibleRect().getMaxY() + 20 ) )
+                                        && ( y1 > ( getVisibleRect().getMaxY() + 20 ) ) ) ) ) {
+                    // Do nothing.
+                }
+                else {
+                    if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
+                        float x2c = x1 + EURO_D;
+                        if ( x2c > x2a ) {
+                            x2c = x2a;
                         }
+                        drawLine( x1, y1, x2c, y2, g );
                     }
-                    else if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getMolecularSequence() ) ) {
-                        if ( ForesterUtil.seqIsLikelyToBeAa( node.getNodeData().getSequence().getMolecularSequence() ) ) {
-                            type = 'p';
+                    else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
+                        if ( y2 > y1 ) {
+                            y2_r = y2 - ROUNDED_D;
+                            if ( y2_r < y1 ) {
+                                y2_r = y1;
+                            }
+                            drawLine( x1, y1, x1, y2_r, g );
                         }
                         else {
-                            type = 'n';
+                            y2_r = y2 + ROUNDED_D;
+                            if ( y2_r > y1 ) {
+                                y2_r = y1;
+                            }
+                            drawLine( x1, y1, x1, y2_r, g );
                         }
                     }
-                }
-                if ( type == '?' ) {
-                    if ( SequenceAccessionTools.isProteinDbQuery( query ) ) {
-                        type = 'p';
-                    }
                     else {
-                        type = 'n';
+                        drawLine( x1, y1, x1, y2, g );
                     }
                 }
-                JApplet applet = null;
-                if ( isApplet() ) {
-                    applet = obtainApplet();
+            }
+            // draw the horizontal line
+            if ( !to_graphics_file && !to_pdf && ( ( y2 < ( getVisibleRect().getMinY() - 20 ) )
+                    || ( y2 > ( getVisibleRect().getMaxY() + 20 ) ) ) ) {
+                return;
+            }
+            float x1_r = 0;
+            if ( !getControlPanel().isWidthBranches() || ( PhylogenyMethods.getBranchWidthValue( node ) == 1 ) ) {
+                if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
+                    x1_r = x1a + ROUNDED_D;
+                    if ( x1_r < x2a ) {
+                        drawLine( x1_r, y2, x2a, y2, g );
+                    }
                 }
-                try {
-                    Blast.openNcbiBlastWeb( query, type == 'n', applet, this );
+                else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
+                    final float x1c = x1a + EURO_D;
+                    if ( x1c < x2a ) {
+                        drawLine( x1c, y2, x2a, y2, g );
+                    }
                 }
-                catch ( final Exception e ) {
-                    e.printStackTrace();
+                else {
+                    drawLine( x1a, y2, x2a, y2, g );
                 }
-                if ( Constants.ALLOW_DDBJ_BLAST ) {
-                    try {
-                        System.out.println( "trying: " + query );
-                        final Blast s = new Blast();
-                        s.ddbjBlast( query );
+            }
+            else {
+                final double w = PhylogenyMethods.getBranchWidthValue( node );
+                if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
+                    x1_r = x1a + ROUNDED_D;
+                    if ( x1_r < x2a ) {
+                        drawRectFilled( x1_r, y2 - ( w / 2 ), x2a - x1_r, w, g );
                     }
-                    catch ( final Exception e ) {
-                        e.printStackTrace();
+                }
+                else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
+                    final float x1c = x1a + EURO_D;
+                    if ( x1c < x2a ) {
+                        drawRectFilled( x1c, y2 - ( w / 2 ), x2a - x1c, w, g );
                     }
                 }
+                else {
+                    drawRectFilled( x1a, y2 - ( w / 2 ), x2a - x1a, w, g );
+                }
+            }
+            if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
+                if ( x1_r > x2a ) {
+                    x1_r = x2a;
+                }
+                if ( y2 > y2_r ) {
+                    final double diff = y2 - y2_r;
+                    _arc.setArc( x1, y2_r - diff, 2 * ( x1_r - x1 ), 2 * diff, 180, 90, Arc2D.OPEN );
+                }
+                else {
+                    _arc.setArc( x1, y2, 2 * ( x1_r - x1 ), 2 * ( y2_r - y2 ), 90, 90, Arc2D.OPEN );
+                }
+                g.draw( _arc );
             }
         }
+        if ( node.isExternal() ) {
+            paintNodeBox( x2, y2, node, g, to_pdf, to_graphics_file );
+        }
     }
 
-    private final int calcDynamicHidingFactor() {
-        return ( int ) ( 0.5 + ( getFontMetricsForLargeDefaultFont().getHeight() / ( 1.5 * getYdistance() ) ) );
-    }
-
-    /**
-     * Calculate the length of the distance between the given node and its
-     * parent.
-     * 
-     * @param node
-     * @param ext_node_x
-     * @factor
-     * @return the distance value
-     */
-    final private float calculateBranchLengthToParent( final PhylogenyNode node, final float factor ) {
-        if ( getControlPanel().isDrawPhylogram() ) {
-            if ( node.getDistanceToParent() < 0.0 ) {
-                return 0.0f;
+    final private double paintCirculars( final PhylogenyNode n,
+                                         final Phylogeny phy,
+                                         final float center_x,
+                                         final float center_y,
+                                         final double radius,
+                                         final boolean radial_labels,
+                                         final Graphics2D g,
+                                         final boolean to_pdf,
+                                         final boolean to_graphics_file ) {
+        if ( n.isExternal() || n.isCollapse() ) { //~~circ collapse
+            if ( !_urt_nodeid_angle_map.containsKey( n.getId() ) ) {
+                System.out.println( "no " + n + " =====>>>>>>> ERROR!" );//TODO
             }
-            return ( float ) ( getXcorrectionFactor() * node.getDistanceToParent() );
+            return _urt_nodeid_angle_map.get( n.getId() );
         }
         else {
-            if ( ( factor == 0 ) || isNonLinedUpCladogram() ) {
-                return getXdistance();
+            final List<PhylogenyNode> descs = n.getDescendants();
+            double sum = 0;
+            for( final PhylogenyNode desc : descs ) {
+                sum += paintCirculars( desc,
+                                       phy,
+                                       center_x,
+                                       center_y,
+                                       radius,
+                                       radial_labels,
+                                       g,
+                                       to_pdf,
+                                       to_graphics_file );
             }
-            return getXdistance() * factor;
-        }
-    }
-
-    final private Color calculateColorForAnnotation( final SortedSet<Annotation> ann ) {
-        Color c = getTreeColorSet().getAnnotationColor();
-        if ( getControlPanel().isColorAccordingToAnnotation() && ( getControlPanel().getAnnotationColors() != null ) ) {
-            final StringBuilder sb = new StringBuilder();
-            for( final Annotation a : ann ) {
-                sb.append( !ForesterUtil.isEmpty( a.getRefValue() ) ? a.getRefValue() : a.getDesc() );
+            double r = 0;
+            if ( !n.isRoot() ) {
+                r = 1 - ( ( ( double ) _circ_max_depth - n.calculateDepth() ) / _circ_max_depth );
             }
-            final String ann_str = sb.toString();
-            if ( !ForesterUtil.isEmpty( ann_str ) ) {
-                c = getControlPanel().getAnnotationColors().get( ann_str );
-                if ( c == null ) {
-                    c = TreePanelUtil.calculateColorFromString( ann_str, false );
-                    getControlPanel().getAnnotationColors().put( ann_str, c );
-                }
-                if ( c == null ) {
-                    c = getTreeColorSet().getAnnotationColor();
-                }
+            final double theta = sum / descs.size();
+            n.setXcoord( ( float ) ( center_x + ( r * radius * Math.cos( theta ) ) ) );
+            n.setYcoord( ( float ) ( center_y + ( r * radius * Math.sin( theta ) ) ) );
+            _urt_nodeid_angle_map.put( n.getId(), theta );
+            for( final PhylogenyNode desc : descs ) {
+                paintBranchCircular( n, desc, g, radial_labels, to_pdf, to_graphics_file );
             }
+            return theta;
         }
-        
-        return c;
     }
 
-    final private float calculateOvBranchLengthToParent( final PhylogenyNode node, final int factor ) {
-        if ( getControlPanel().isDrawPhylogram() ) {
-            if ( node.getDistanceToParent() < 0.0 ) {
-                return 0.0f;
-            }
-            return ( float ) ( getOvXcorrectionFactor() * node.getDistanceToParent() );
+    final private void paintCircularsLite( final PhylogenyNode n,
+                                           final Phylogeny phy,
+                                           final int center_x,
+                                           final int center_y,
+                                           final int radius,
+                                           final Graphics2D g ) {
+        if ( n.isExternal() ) {
+            return;
         }
         else {
-            if ( ( factor == 0 ) || isNonLinedUpCladogram() ) {
-                return getOvXDistance();
+            final List<PhylogenyNode> descs = n.getDescendants();
+            for( final PhylogenyNode desc : descs ) {
+                paintCircularsLite( desc, phy, center_x, center_y, radius, g );
+            }
+            float r = 0;
+            if ( !n.isRoot() ) {
+                r = 1 - ( ( ( float ) _circ_max_depth - n.calculateDepth() ) / _circ_max_depth );
+            }
+            final double theta = _urt_nodeid_angle_map.get( n.getId() );
+            n.setXSecondary( ( float ) ( center_x + ( radius * r * Math.cos( theta ) ) ) );
+            n.setYSecondary( ( float ) ( center_y + ( radius * r * Math.sin( theta ) ) ) );
+            for( final PhylogenyNode desc : descs ) {
+                paintBranchCircularLite( n, desc, g );
             }
-            return getOvXDistance() * factor;
         }
     }
 
-    final private void cannotOpenBrowserWarningMessage( final String type_type ) {
-        JOptionPane.showMessageDialog( this,
-                                       "Cannot launch web browser for " + type_type + " data of this node",
-                                       "Cannot launch web browser",
-                                       JOptionPane.WARNING_MESSAGE );
-    }
-
-    private void changeNodeFont( final PhylogenyNode node ) {
-        final FontChooser fc = new FontChooser();
-        Font f = null;
-        if ( ( node.getNodeData().getNodeVisualData() != null ) && !node.getNodeData().getNodeVisualData().isEmpty() ) {
-            f = node.getNodeData().getNodeVisualData().getFont();
+    final private void paintCollapsedNode( final Graphics2D g,
+                                           final PhylogenyNode node,
+                                           final boolean to_graphics_file,
+                                           final boolean to_pdf,
+                                           final boolean is_in_found_nodes ) {
+        ////
+        //// TODO
+        ////
+        Color c = null;
+        int res[] = null;
+        if ( _found_nodes_0 != null || _found_nodes_1 != null ) {
+            res = calcFoundNodesInSubtree( node );
         }
-        if ( f != null ) {
-            fc.setFont( f );
+        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+            c = Color.BLACK;
+        }
+        //TODO
+        //FIXME
+        // else if ( is_in_found_nodes ) {
+        //     c = getColorForFoundNode( node );
+        // }
+        // else if ( getControlPanel().isColorAccordingToSequence() ) {
+        //     c = getSequenceBasedColor( node );
+        // }
+        // else if ( getControlPanel().isColorAccordingToTaxonomy() ) {
+        //     c = getTaxonomyBasedColor( node );
+        // }
+        else if ( getOptions().isColorLabelsSameAsParentBranch() && getControlPanel().isUseVisualStyles()
+                && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
+            c = PhylogenyMethods.getBranchColorValue( node );
+        }
+        else if ( to_pdf ) {
+            g.setColor( getTreeColorSet().getBranchColorForPdf() );
         }
         else {
-            fc.setFont( getMainPanel().getTreeFontSet().getLargeFont() );
+            c = getTreeColorSet().getCollapseFillColor();
         }
-        fc.showDialog( this, "Select Font" );
-        if ( ( fc.getFont() != null ) && !ForesterUtil.isEmpty( fc.getFont().getFamily().trim() ) ) {
-            List<PhylogenyNode> nodes = new ArrayList<PhylogenyNode>();
-            if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
-                nodes = getFoundNodesAsListOfPhylogenyNodes();
+        double d = node.getAllExternalDescendants().size();
+        float xxx;
+        double s = 0;
+        if ( getControlPanel().isDrawPhylogram() ) {
+            if ( d > 1000 ) {
+                d = 0.75 * _y_distance;
             }
-            nodes.add( node );
-            for( final PhylogenyNode n : nodes ) {
-                if ( n.getNodeData().getNodeVisualData() == null ) {
-                    n.getNodeData().setNodeVisualData( new NodeVisualData() );
-                }
-                final NodeVisualData vd = n.getNodeData().getNodeVisualData();
-                final Font ff = fc.getFont();
-                vd.setFontName( ff.getFamily().trim() );
-                int s = ff.getSize();
-                if ( s < 0 ) {
-                    s = 0;
-                }
-                if ( s > Byte.MAX_VALUE ) {
-                    s = Byte.MAX_VALUE;
-                }
-                vd.setFontSize( s );
-                vd.setFontStyle( ff.getStyle() );
-            }
-            if ( _control_panel.getUseVisualStylesCb() != null ) {
-                getControlPanel().getUseVisualStylesCb().setSelected( true );
-            }
-        }
-        repaint();
-    }
-
-    final private void colorizeNodes( final Color c,
-                                      final PhylogenyNode node,
-                                      final List<PhylogenyNode> additional_nodes ) {
-        _control_panel.setColorBranches( true );
-        if ( _control_panel.getUseVisualStylesCb() != null ) {
-            _control_panel.getUseVisualStylesCb().setSelected( true );
-        }
-        if ( node != null ) {
-            colorizeNodesHelper( c, node );
+            else {
+                d = 0.25 * Math.log10( d ) * _y_distance;
+            }
+            final float half_box_size = 0.5f * getOptions().getDefaultNodeShapeSize();
+            if ( d < half_box_size ) {
+                d = half_box_size;
+            }
+            _polygon.reset();
+            final float xx = node.getXcoord() - ( getOptions().getDefaultNodeShapeSize() );
+            xxx = xx > ( node.getParent().getXcoord() + 1 ) ? xx : node.getParent().getXcoord() + 1;
+            _polygon.moveTo( xxx, node.getYcoord() + 0.5 );
+            _polygon.lineTo( xxx, node.getYcoord() - 0.5 );
+            s = _options.isCollapsedWithAverageHeigh()
+                    ? PhylogenyMethods.calculateAverageTreeHeight( node ) * _x_correction_factor : 1;
+            _polygon.lineTo( node.getXcoord() + s, node.getYcoord() - d );
+            _polygon.lineTo( node.getXcoord() + s, node.getYcoord() + d );
+            _polygon.closePath();
         }
-        if ( additional_nodes != null ) {
-            for( final PhylogenyNode n : additional_nodes ) {
-                colorizeNodesHelper( c, n );
+        else {
+            if ( d > 1000 ) {
+                d = _y_distance;
             }
-        }
-        repaint();
-    }
-
-    final private void colorizeSubtree( final Color c,
-                                        final PhylogenyNode node,
-                                        final List<PhylogenyNode> additional_nodes ) {
-        _control_panel.setColorBranches( true );
-        if ( _control_panel.getUseVisualStylesCb() != null ) {
-            _control_panel.getUseVisualStylesCb().setSelected( true );
-        }
-        if ( node != null ) {
-            for( final PreorderTreeIterator it = new PreorderTreeIterator( node ); it.hasNext(); ) {
-                it.next().getBranchData().setBranchColor( new BranchColor( c ) );
+            else {
+                d = ( Math.log10( d ) * _y_distance ) / 2.5;
             }
-        }
-        if ( additional_nodes != null ) {
-            for( final PhylogenyNode an : additional_nodes ) {
-                for( final PreorderTreeIterator it = new PreorderTreeIterator( an ); it.hasNext(); ) {
-                    it.next().getBranchData().setBranchColor( new BranchColor( c ) );
-                }
+            final int box_size = getOptions().getDefaultNodeShapeSize() + 1;
+            if ( d < box_size ) {
+                d = box_size;
             }
+            final float xx = node.getXcoord() - ( 2 * box_size );
+            xxx = xx > ( node.getParent().getXcoord() + 1 ) ? xx : node.getParent().getXcoord() + 1;
+            _polygon.reset();
+            _polygon.moveTo( xxx, node.getYcoord() );
+            _polygon.lineTo( node.getXcoord() + 1, node.getYcoord() - d );
+            _polygon.lineTo( node.getXcoord() + 1, node.getYcoord() + d );
+            _polygon.closePath();
         }
-        repaint();
-    }
-
-    private void colorNodeFont( final PhylogenyNode node ) {
-        _color_chooser.setPreviewPanel( new JPanel() );
-        NodeColorizationActionListener al;
-        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
-            final List<PhylogenyNode> additional_nodes = getFoundNodesAsListOfPhylogenyNodes();
-            al = new NodeColorizationActionListener( _color_chooser, node, additional_nodes );
-        }
-        else {
-            al = new NodeColorizationActionListener( _color_chooser, node );
-        }
-        final JDialog dialog = JColorChooser.createDialog( this, "Node colorization", true, _color_chooser, al, null );
-        dialog.setVisible( true );
-    }
-
-    final private void colorSubtree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot colorize subtree in unrooted display type",
-                                           "Attempt to colorize subtree in unrooted display",
-                                           JOptionPane.WARNING_MESSAGE );
-            return;
-        }
-        _color_chooser.setPreviewPanel( new JPanel() );
-        SubtreeColorizationActionListener al;
-        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
-            final List<PhylogenyNode> additional_nodes = getFoundNodesAsListOfPhylogenyNodes();
-            al = new SubtreeColorizationActionListener( _color_chooser, node, additional_nodes );
-        }
-        else {
-            al = new SubtreeColorizationActionListener( _color_chooser, node );
-        }
-        final JDialog dialog = JColorChooser
-                .createDialog( this, "Subtree colorization", true, _color_chooser, al, null );
-        dialog.setVisible( true );
-    }
-
-    final private void copySubtree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            errorMessageNoCutCopyPasteInUnrootedDisplay();
-            return;
-        }
-        setNodeInPreorderToNull();
-        setCutOrCopiedTree( _phylogeny.copy( node ) );
-        final List<PhylogenyNode> nodes = PhylogenyMethods.getAllDescendants( node );
-        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
-        for( final PhylogenyNode n : nodes ) {
-            node_ids.add( n.getId() );
-        }
-        node_ids.add( node.getId() );
-        setCopiedAndPastedNodes( node_ids );
-        repaint();
-    }
-
-    final private String createASimpleTextRepresentationOfANode( final PhylogenyNode node ) {
-        final String tax = PhylogenyMethods.getSpecies( node );
-        String label = node.getName();
-        if ( !ForesterUtil.isEmpty( label ) && !ForesterUtil.isEmpty( tax ) ) {
-            label = label + " " + tax;
-        }
-        else if ( !ForesterUtil.isEmpty( tax ) ) {
-            label = tax;
+        if ( getOptions().getDefaultNodeFill() == NodeVisualData.NodeFill.SOLID ) {
+            g.setColor( c );
+            g.fill( _polygon );
         }
-        else {
-            label = "";
+        else if ( getOptions().getDefaultNodeFill() == NodeVisualData.NodeFill.NONE ) {
+            g.setColor( getBackground() );
+            g.fill( _polygon );
+            g.setColor( c );
+            g.draw( _polygon );
         }
-        if ( !ForesterUtil.isEmpty( label ) ) {
-            label = " [" + label + "]";
+        else if ( getOptions().getDefaultNodeFill() == NodeFill.GRADIENT ) {
+            g.setPaint( new GradientPaint( xxx,
+                                           node.getYcoord(),
+                                           getBackground(),
+                                           node.getXcoord(),
+                                           ( float ) ( node.getYcoord() - d ),
+                                           c,
+                                           false ) );
+            g.fill( _polygon );
+            g.setPaint( c );
+            g.draw( _polygon );
         }
-        return label;
+        paintNodeData( g, node, to_graphics_file, to_pdf, is_in_found_nodes, s );
     }
 
-    final private void cutSubtree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            errorMessageNoCutCopyPasteInUnrootedDisplay();
-            return;
-        }
-        if ( node.isRoot() ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot cut entire tree as subtree",
-                                           "Attempt to cut entire tree",
-                                           JOptionPane.ERROR_MESSAGE );
-            return;
+    final private void paintConfidenceValues( final Graphics2D g,
+                                              final PhylogenyNode node,
+                                              final boolean to_pdf,
+                                              final boolean to_graphics_file ) {
+        final List<Confidence> confidences = node.getBranchData().getConfidences();
+        boolean not_first = false;
+        Collections.sort( confidences );
+        final StringBuilder sb = new StringBuilder();
+        for( final Confidence confidence : confidences ) {
+            if ( ForesterUtil.isEmpty( SHOW_ONLY_THIS_CONF_TYPE ) || ( !ForesterUtil.isEmpty( confidence.getType() )
+                    && confidence.getType().equalsIgnoreCase( SHOW_ONLY_THIS_CONF_TYPE ) ) ) {
+                final double value = confidence.getValue();
+                if ( value != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
+                    if ( value < getOptions().getMinConfidenceValue() ) {
+                        return;
+                    }
+                    if ( not_first ) {
+                        sb.append( "/" );
+                    }
+                    else {
+                        not_first = true;
+                    }
+                    sb.append( FORMATTER_CONFIDENCE.format( ForesterUtil
+                            .round( value, getOptions().getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
+                    if ( getOptions().isShowConfidenceStddev() ) {
+                        if ( confidence.getStandardDeviation() != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
+                            sb.append( "(" );
+                            sb.append( FORMATTER_CONFIDENCE
+                                    .format( ForesterUtil.round( confidence.getStandardDeviation(),
+                                                                 getOptions()
+                                                                         .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
+                            sb.append( ")" );
+                        }
+                    }
+                }
+            }
         }
-        final String label = createASimpleTextRepresentationOfANode( node );
-        final int r = JOptionPane.showConfirmDialog( null,
-                                                     "Cut subtree" + label + "?",
-                                                     "Confirm Cutting of Subtree",
-                                                     JOptionPane.YES_NO_OPTION );
-        if ( r != JOptionPane.OK_OPTION ) {
-            return;
+        if ( sb.length() > 0 ) {
+            final float parent_x = node.getParent().getXcoord();
+            float x = node.getXcoord();
+            g.setFont( getTreeFontSet().getSmallFont() );
+            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
+                x += EURO_D;
+            }
+            else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
+                x += ROUNDED_D;
+            }
+            if ( to_pdf || ( to_graphics_file && getOptions().isPrintBlackAndWhite() ) ) {
+                g.setColor( Color.BLACK );
+            }
+            else {
+                g.setColor( getTreeColorSet().getConfidenceColor() );
+            }
+            final String conf_str = sb.toString();
+            TreePanel.drawString( conf_str,
+                                  parent_x + ( ( x - parent_x
+                                          - getTreeFontSet().getFontMetricsSmall().stringWidth( conf_str ) ) / 2 ),
+                                  ( node.getYcoord() + getTreeFontSet().getSmallMaxAscent() ) - 1,
+                                  g );
         }
-        setNodeInPreorderToNull();
-        setCopiedAndPastedNodes( null );
-        setCutOrCopiedTree( _phylogeny.copy( node ) );
-        _phylogeny.deleteSubtree( node, true );
-        _phylogeny.clearHashIdToNodeMap();
-        _phylogeny.recalculateNumberOfExternalDescendants( true );
-        resetNodeIdToDistToLeafMap();
-        setEdited( true );
-        repaint();
     }
 
-    final private void cycleColors() {
-        getMainPanel().getTreeColorSet().cycleColorScheme();
-        for( final TreePanel tree_panel : getMainPanel().getTreePanels() ) {
-            tree_panel.setBackground( getMainPanel().getTreeColorSet().getBackgroundColor() );
+    final private void paintGainedAndLostCharacters( final Graphics2D g,
+                                                     final PhylogenyNode node,
+                                                     final String gained,
+                                                     final String lost ) {
+        if ( node.getParent() != null ) {
+            final float parent_x = node.getParent().getXcoord();
+            final float x = node.getXcoord();
+            g.setFont( getTreeFontSet().getLargeFont() );
+            g.setColor( getTreeColorSet().getGainedCharactersColor() );
+            if ( AptxConstants.SPECIAL_CUSTOM ) {
+                g.setColor( Color.BLUE );
+            }
+            TreePanel.drawString( gained,
+                                  parent_x + ( ( x - parent_x
+                                          - getFontMetricsForLargeDefaultFont().stringWidth( gained ) ) / 2 ),
+                                  ( node.getYcoord() - getFontMetricsForLargeDefaultFont().getMaxDescent() ),
+                                  g );
+            g.setColor( getTreeColorSet().getLostCharactersColor() );
+            TreePanel
+                    .drawString( lost,
+                                 parent_x + ( ( x - parent_x - getFontMetricsForLargeDefaultFont().stringWidth( lost ) )
+                                         / 2 ),
+                                 ( node.getYcoord() + getFontMetricsForLargeDefaultFont().getMaxAscent() ),
+                                 g );
         }
     }
 
-    final private void decreaseOvSize() {
-        if ( ( getOvMaxWidth() > 20 ) && ( getOvMaxHeight() > 20 ) ) {
-            setOvMaxWidth( getOvMaxWidth() - 5 );
-            setOvMaxHeight( getOvMaxHeight() - 5 );
-            updateOvSettings();
-            getControlPanel().displayedPhylogenyMightHaveChanged( false );
+    private void paintMolecularSequences( final Graphics2D g, final PhylogenyNode node, final boolean to_pdf ) {
+        final RenderableMsaSequence rs = RenderableMsaSequence
+                .createInstance( node.getNodeData().getSequence().getMolecularSequence(),
+                                 node.getNodeData().getSequence().getType(),
+                                 getConfiguration() );
+        if ( rs != null ) {
+            final int default_height = 8;
+            final float y = getYdistance();
+            final int h = ( y / 2 ) < default_height ? ForesterUtil.roundToInt( y * 2 ) : default_height;
+            rs.setRenderingHeight( h > 1 ? h : 1 );
+            if ( getControlPanel().isDrawPhylogram() ) {
+                rs.render( ( float ) ( ( getMaxDistanceToRoot() * getXcorrectionFactor() ) + _length_of_longest_text ),
+                           node.getYcoord() - ( h / 2.0f ),
+                           g,
+                           this,
+                           to_pdf );
+            }
+            else {
+                rs.render( getPhylogeny().getFirstExternalNode().getXcoord() + _length_of_longest_text,
+                           node.getYcoord() - ( h / 2.0f ),
+                           g,
+                           this,
+                           to_pdf );
+            }
         }
     }
 
-    final private void deleteNodeOrSubtree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            errorMessageNoCutCopyPasteInUnrootedDisplay();
+    /**
+     * Draw a box at the indicated node.
+     *
+     * @param x
+     * @param y
+     * @param node
+     * @param g
+     */
+    final private void paintNodeBox( final float x,
+                                     final float y,
+                                     final PhylogenyNode node,
+                                     final Graphics2D g,
+                                     final boolean to_pdf,
+                                     final boolean to_graphics_file ) {
+        if ( node.isCollapse() ) {
             return;
         }
-        if ( node.isRoot() && ( node.getNumberOfDescendants() != 1 ) ) {
-            JOptionPane.showMessageDialog( this,
-                                           "Cannot delete entire tree",
-                                           "Attempt to delete entire tree",
-                                           JOptionPane.ERROR_MESSAGE );
-            return;
+        // if this node should be highlighted, do so
+        if ( ( _highlight_node == node ) && !to_pdf && !to_graphics_file ) {
+            g.setColor( getTreeColorSet().getFoundColor0() );
+            drawOval( x - 8, y - 8, 16, 16, g );
+            drawOval( x - 9, y - 8, 17, 17, g );
+            drawOval( x - 9, y - 9, 18, 18, g );
         }
-        final String label = createASimpleTextRepresentationOfANode( node );
-        final Object[] options = { "Node only", "Entire subtree", "Cancel" };
-        final int r = JOptionPane.showOptionDialog( this,
-                                                    "Delete" + label + "?",
-                                                    "Delete Node/Subtree",
-                                                    JOptionPane.CLOSED_OPTION,
-                                                    JOptionPane.QUESTION_MESSAGE,
-                                                    null,
-                                                    options,
-                                                    options[ 2 ] );
-        setNodeInPreorderToNull();
-        boolean node_only = true;
-        if ( r == 1 ) {
-            node_only = false;
+        if ( ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) )
+                || ( getOptions().isShowDefaultNodeShapesExternal() && node.isExternal() )
+                || ( getOptions().isShowDefaultNodeShapesInternal() && node.isInternal() )
+                || ( getOptions().isShowDefaultNodeShapesForMarkedNodes()
+                        && ( node.getNodeData().getNodeVisualData() != null )
+                        && ( !node.getNodeData().getNodeVisualData().isEmpty() ) )
+                || ( getControlPanel().isUseVisualStyles() && ( ( node.getNodeData().getNodeVisualData() != null )
+                        && ( ( node.getNodeData().getNodeVisualData().getNodeColor() != null )
+                                || ( node.getNodeData().getNodeVisualData().getSize() != NodeVisualData.DEFAULT_SIZE )
+                                || ( node.getNodeData().getNodeVisualData().getFillType() != NodeFill.DEFAULT )
+                                || ( node.getNodeData().getNodeVisualData().getShape() != NodeShape.DEFAULT ) ) ) )
+                || ( getControlPanel().isEvents() && node.isHasAssignedEvent()
+                        && ( node.getNodeData().getEvent().isDuplication()
+                                || node.getNodeData().getEvent().isSpeciation()
+                                || node.getNodeData().getEvent().isSpeciationOrDuplication() ) ) ) {
+            NodeVisualData vis = null;
+            if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null )
+                    && ( !node.getNodeData().getNodeVisualData().isEmpty() ) ) {
+                vis = node.getNodeData().getNodeVisualData();
+            }
+            float box_size = getOptions().getDefaultNodeShapeSize();
+            if ( ( vis != null ) && ( vis.getSize() != NodeVisualData.DEFAULT_SIZE ) ) {
+                box_size = vis.getSize();
+            }
+            final float half_box_size = box_size / 2.0f;
+            Color outline_color = null;
+            if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+                outline_color = Color.BLACK;
+            }
+            else if ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) ) {
+                outline_color = getColorForFoundNode( node );
+            }
+            else if ( vis != null ) {
+                if ( vis.getNodeColor() != null ) {
+                    outline_color = vis.getNodeColor();
+                }
+                else if ( vis.getFontColor() != null ) {
+                    outline_color = vis.getFontColor();
+                }
+            }
+            else if ( getControlPanel().isEvents() && TreePanelUtil.isHasAssignedEvent( node ) ) {
+                final Event event = node.getNodeData().getEvent();
+                if ( event.isDuplication() ) {
+                    outline_color = getTreeColorSet().getDuplicationBoxColor();
+                }
+                else if ( event.isSpeciation() ) {
+                    outline_color = getTreeColorSet().getSpecBoxColor();
+                }
+                else if ( event.isSpeciationOrDuplication() ) {
+                    outline_color = getTreeColorSet().getDuplicationOrSpeciationColor();
+                }
+            }
+            if ( outline_color == null ) {
+                outline_color = getGraphicsForNodeBoxWithColorForParentBranch( node );
+                if ( to_pdf && ( outline_color == getTreeColorSet().getBranchColor() ) ) {
+                    outline_color = getTreeColorSet().getBranchColorForPdf();
+                }
+            }
+            NodeShape shape = null;
+            if ( vis != null ) {
+                if ( vis.getShape() == NodeShape.CIRCLE ) {
+                    shape = NodeShape.CIRCLE;
+                }
+                else if ( vis.getShape() == NodeShape.RECTANGLE ) {
+                    shape = NodeShape.RECTANGLE;
+                }
+            }
+            if ( shape == null ) {
+                if ( getOptions().getDefaultNodeShape() == NodeShape.CIRCLE ) {
+                    shape = NodeShape.CIRCLE;
+                }
+                else if ( getOptions().getDefaultNodeShape() == NodeShape.RECTANGLE ) {
+                    shape = NodeShape.RECTANGLE;
+                }
+            }
+            NodeFill fill = null;
+            if ( vis != null ) {
+                if ( vis.getFillType() == NodeFill.SOLID ) {
+                    fill = NodeFill.SOLID;
+                }
+                else if ( vis.getFillType() == NodeFill.NONE ) {
+                    fill = NodeFill.NONE;
+                }
+                else if ( vis.getFillType() == NodeFill.GRADIENT ) {
+                    fill = NodeFill.GRADIENT;
+                }
+            }
+            if ( fill == null ) {
+                if ( getOptions().getDefaultNodeFill() == NodeFill.SOLID ) {
+                    fill = NodeFill.SOLID;
+                }
+                else if ( getOptions().getDefaultNodeFill() == NodeFill.NONE ) {
+                    fill = NodeFill.NONE;
+                }
+                else if ( getOptions().getDefaultNodeFill() == NodeFill.GRADIENT ) {
+                    fill = NodeFill.GRADIENT;
+                }
+            }
+            Color vis_fill_color = null;
+            if ( ( vis != null ) && ( vis.getNodeColor() != null ) ) {
+                vis_fill_color = vis.getNodeColor();
+            }
+            if ( shape == NodeShape.CIRCLE ) {
+                if ( fill == NodeFill.GRADIENT ) {
+                    drawOvalGradient( x - half_box_size,
+                                      y - half_box_size,
+                                      box_size,
+                                      box_size,
+                                      g,
+                                      to_pdf ? Color.WHITE : outline_color,
+                                      to_pdf ? outline_color : getBackground(),
+                                      outline_color );
+                }
+                else if ( fill == NodeFill.NONE ) {
+                    Color background = getBackground();
+                    if ( to_pdf ) {
+                        background = Color.WHITE;
+                    }
+                    drawOvalGradient( x - half_box_size,
+                                      y - half_box_size,
+                                      box_size,
+                                      box_size,
+                                      g,
+                                      background,
+                                      background,
+                                      outline_color );
+                }
+                else if ( fill == NodeVisualData.NodeFill.SOLID ) {
+                    if ( vis_fill_color != null ) {
+                        g.setColor( vis_fill_color );
+                    }
+                    else {
+                        g.setColor( outline_color );
+                    }
+                    drawOvalFilled( x - half_box_size, y - half_box_size, box_size, box_size, g );
+                }
+            }
+            else if ( shape == NodeVisualData.NodeShape.RECTANGLE ) {
+                if ( fill == NodeVisualData.NodeFill.GRADIENT ) {
+                    drawRectGradient( x - half_box_size,
+                                      y - half_box_size,
+                                      box_size,
+                                      box_size,
+                                      g,
+                                      to_pdf ? Color.WHITE : outline_color,
+                                      to_pdf ? outline_color : getBackground(),
+                                      outline_color );
+                }
+                else if ( fill == NodeVisualData.NodeFill.NONE ) {
+                    Color background = getBackground();
+                    if ( to_pdf ) {
+                        background = Color.WHITE;
+                    }
+                    drawRectGradient( x - half_box_size,
+                                      y - half_box_size,
+                                      box_size,
+                                      box_size,
+                                      g,
+                                      background,
+                                      background,
+                                      outline_color );
+                }
+                else if ( fill == NodeVisualData.NodeFill.SOLID ) {
+                    if ( vis_fill_color != null ) {
+                        g.setColor( vis_fill_color );
+                    }
+                    else {
+                        g.setColor( outline_color );
+                    }
+                    drawRectFilled( x - half_box_size, y - half_box_size, box_size, box_size, g );
+                }
+            }
         }
-        else if ( r != 0 ) {
-            return;
+    }
+
+    final private int paintNodeData( final Graphics2D g,
+                                     final PhylogenyNode node,
+                                     final boolean to_graphics_file,
+                                     final boolean to_pdf,
+                                     final boolean is_in_found_nodes,
+                                     final double add ) {
+        if ( isNodeDataInvisible( node ) && !to_graphics_file && !to_pdf ) {
+            return 0;
         }
-        if ( node_only ) {
-            PhylogenyMethods.removeNode( node, _phylogeny );
+        if ( getControlPanel().isWriteBranchLengthValues()
+                && ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) )
+                && ( !node.isRoot() ) && ( node.getDistanceToParent() != PhylogenyDataUtil.BRANCH_LENGTH_DEFAULT ) ) {
+            paintBranchLength( g, node, to_pdf, to_graphics_file );
         }
-        else {
-            _phylogeny.deleteSubtree( node, true );
+        if ( !getControlPanel().isShowInternalData() && !node.isExternal() && !node.isCollapse() ) {
+            return 0;
         }
-        _phylogeny.externalNodesHaveChanged();
-        _phylogeny.clearHashIdToNodeMap();
-        _phylogeny.recalculateNumberOfExternalDescendants( true );
-        resetNodeIdToDistToLeafMap();
-        setEdited( true );
-        repaint();
-    }
-
-    final private void displayNodePopupMenu( final PhylogenyNode node, final int x, final int y ) {
-        makePopupMenus( node );
-        _node_popup_menu.putClientProperty( NODE_POPMENU_NODE_CLIENT_PROPERTY, node );
-        _node_popup_menu.show( this, x, y );
-    }
-
-    final private void drawArc( final double x,
-                                final double y,
-                                final double width,
-                                final double heigth,
-                                final double start_angle,
-                                final double arc_angle,
-                                final Graphics2D g ) {
-        _arc.setArc( x, y, width, heigth, _180_OVER_PI * start_angle, _180_OVER_PI * arc_angle, Arc2D.OPEN );
-        g.draw( _arc );
-    }
-
-    final private void drawLine( final double x1, final double y1, final double x2, final double y2, final Graphics2D g ) {
-        if ( ( x1 == x2 ) && ( y1 == y2 ) ) {
-            return;
+        if ( !getControlPanel().isShowExternalData() && ( node.isExternal() || node.isCollapse() ) ) {
+            return 0;
         }
-        _line.setLine( x1, y1, x2, y2 );
-        g.draw( _line );
-    }
-
-    final private void drawOval( final double x,
-                                 final double y,
-                                 final double width,
-                                 final double heigth,
-                                 final Graphics2D g ) {
-        _ellipse.setFrame( x, y, width, heigth );
-        g.draw( _ellipse );
-    }
-
-    final private void drawOvalFilled( final double x,
-                                       final double y,
-                                       final double width,
-                                       final double heigth,
-                                       final Graphics2D g ) {
-        _ellipse.setFrame( x, y, width, heigth );
-        g.fill( _ellipse );
-    }
-
-    final private void drawOvalGradient( final float x,
-                                         final float y,
-                                         final float width,
-                                         final float heigth,
-                                         final Graphics2D g,
-                                         final Color color_1,
-                                         final Color color_2,
-                                         final Color color_border ) {
-        _ellipse.setFrame( x, y, width, heigth );
-        g.setPaint( new GradientPaint( x, y, color_1, ( x + width ), ( y + heigth ), color_2, false ) );
-        g.fill( _ellipse );
-        if ( color_border != null ) {
-            g.setPaint( color_border );
-            g.draw( _ellipse );
+        _sb.setLength( 0 );
+        int x = 0;
+        if ( add > 0 ) {
+            x += add;
         }
-    }
-
-    final private void drawRect( final float x, final float y, final float width, final float heigth, final Graphics2D g ) {
-        _rectangle.setFrame( x, y, width, heigth );
-        g.draw( _rectangle );
-    }
-
-    final private void drawRectFilled( final double x,
-                                       final double y,
-                                       final double width,
-                                       final double heigth,
-                                       final Graphics2D g ) {
-        _rectangle.setFrame( x, y, width, heigth );
-        g.fill( _rectangle );
-    }
-
-    final private void drawRectGradient( final float x,
-                                         final float y,
-                                         final float width,
-                                         final float heigth,
-                                         final Graphics2D g,
-                                         final Color color_1,
-                                         final Color color_2,
-                                         final Color color_border ) {
-        _rectangle.setFrame( x, y, width, heigth );
-        g.setPaint( new GradientPaint( x, y, color_1, ( x + width ), ( y + heigth ), color_2, false ) );
-        g.fill( _rectangle );
-        if ( color_border != null ) {
-            g.setPaint( color_border );
-            g.draw( _rectangle );
+        final int half_box_size = getOptions().getDefaultNodeShapeSize() / 2;
+        if ( getControlPanel().isShowTaxonomyImages() && ( getImageMap() != null ) && !getImageMap().isEmpty()
+                && node.getNodeData().isHasTaxonomy() && ( ( node.getNodeData().getTaxonomy().getUris() != null )
+                        && !node.getNodeData().getTaxonomy().getUris().isEmpty() ) ) {
+            x += drawTaxonomyImage( node.getXcoord() + 2 + half_box_size, node.getYcoord(), node, g );
         }
-    }
-
-    private double drawTaxonomyImage( final double x, final double y, final PhylogenyNode node, final Graphics2D g ) {
-        final List<Uri> us = new ArrayList<Uri>();
-        for( final Taxonomy t : node.getNodeData().getTaxonomies() ) {
-            for( final Uri uri : t.getUris() ) {
-                us.add( uri );
-            }
+        if ( ( getControlPanel().isShowTaxonomyCode() || getControlPanel().isShowTaxonomyScientificNames()
+                || getControlPanel().isShowTaxonomyCommonNames() || getControlPanel().isShowTaxonomyRank() )
+                && node.getNodeData().isHasTaxonomy() ) {
+            x += paintTaxonomy( g, node, is_in_found_nodes, to_pdf, to_graphics_file, x );
         }
-        double offset = 0;
-        for( final Uri uri : us ) {
-            if ( uri != null ) {
-                final String uri_str = uri.getValue().toString().toLowerCase();
-                if ( getImageMap().containsKey( uri_str ) ) {
-                    final BufferedImage bi = getImageMap().get( uri_str );
-                    if ( ( bi != null ) && ( bi.getHeight() > 5 ) && ( bi.getWidth() > 5 ) ) {
-                        double scaling_factor = 1;
-                        if ( getOptions().isAllowMagnificationOfTaxonomyImages()
-                                || ( bi.getHeight() > ( 1.8 * getYdistance() ) ) ) {
-                            scaling_factor = ( 1.8 * getYdistance() ) / bi.getHeight();
-                        }
-                        // y = y - ( 0.9 * getYdistance() );
-                        final double hs = bi.getHeight() * scaling_factor;
-                        double ws = ( bi.getWidth() * scaling_factor ) + offset;
-                        final double my_y = y - ( 0.5 * hs );
-                        final int x_w = ( int ) ( x + ws + 0.5 );
-                        final int y_h = ( int ) ( my_y + hs + 0.5 );
-                        if ( ( ( x_w - x ) > 7 ) && ( ( y_h - my_y ) > 7 ) ) {
-                            g.drawImage( bi,
-                                         ( int ) ( x + 0.5 + offset ),
-                                         ( int ) ( my_y + 0.5 ),
-                                         x_w,
-                                         y_h,
-                                         0,
-                                         0,
-                                         bi.getWidth(),
-                                         bi.getHeight(),
-                                         null );
-                            ws += 8;
-                        }
-                        else {
-                            ws = 0.0;
-                        }
-                        offset = ws;
+        setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getSequenceColor() );
+        final boolean saw_species = _sb.length() > 0;
+        _sb.setLength( 0 );
+        nodeDataAsSB( node, _sb );
+        if ( node.isCollapse() && ( ( !node.isRoot() && !node.getParent().isCollapse() ) || node.isRoot() ) ) {
+            if ( ( _sb.length() == 0 ) && !saw_species ) {
+                if ( getOptions().isShowAbbreviatedLabelsForCollapsedNodes()
+                        && ( getControlPanel().isShowTaxonomyCode() || getControlPanel().isShowTaxonomyScientificNames()
+                                || getControlPanel().isShowSeqNames() || getControlPanel().isShowNodeNames() ) ) {
+                    final PhylogenyNode first = PhylogenyMethods.getFirstExternalNode( node );
+                    final PhylogenyNode last = PhylogenyMethods.getLastExternalNode( node );
+                    if ( getControlPanel().isShowTaxonomyCode() && first.getNodeData().isHasTaxonomy()
+                            && last.getNodeData().isHasTaxonomy()
+                            && !ForesterUtil.isEmpty( first.getNodeData().getTaxonomy().getTaxonomyCode() )
+                            && !ForesterUtil.isEmpty( last.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
+                        addLabelForCollapsed( first.getNodeData().getTaxonomy().getTaxonomyCode(),
+                                              last.getNodeData().getTaxonomy().getTaxonomyCode(),
+                                              node.getAllExternalDescendants().size(),
+                                              node );
+                    }
+                    else if ( getControlPanel().isShowTaxonomyScientificNames() && first.getNodeData().isHasTaxonomy()
+                            && last.getNodeData().isHasTaxonomy()
+                            && !ForesterUtil.isEmpty( first.getNodeData().getTaxonomy().getScientificName() )
+                            && !ForesterUtil.isEmpty( last.getNodeData().getTaxonomy().getScientificName() ) ) {
+                        addLabelForCollapsed( first.getNodeData().getTaxonomy().getScientificName(),
+                                              last.getNodeData().getTaxonomy().getScientificName(),
+                                              node.getAllExternalDescendants().size(),
+                                              node );
+                    }
+                    else if ( getControlPanel().isShowSeqNames() && first.getNodeData().isHasSequence()
+                            && last.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( first.getNodeData().getSequence().getName() )
+                            && !ForesterUtil.isEmpty( last.getNodeData().getSequence().getName() ) ) {
+                        addLabelForCollapsed( first.getNodeData().getSequence().getName(),
+                                              last.getNodeData().getSequence().getName(),
+                                              node.getAllExternalDescendants().size(),
+                                              node );
+                    }
+                    else if ( getControlPanel().isShowNodeNames() && !ForesterUtil.isEmpty( first.getName() )
+                            && !ForesterUtil.isEmpty( last.getName() ) ) {
+                        addLabelForCollapsed( first.getName(),
+                                              last.getName(),
+                                              node.getAllExternalDescendants().size(),
+                                              node );
+                    }
+                }
+            }
+            else if ( ( _sb.length() > 0 ) || saw_species ) {
+                //  _sb.setLength( 0 );
+                _sb.append( " [" );
+                _sb.append( node.getAllExternalDescendants().size() );
+                _sb.append( "]" );
+                if ( _found_nodes_0 != null || _found_nodes_1 != null ) {
+                    int[] res = calcFoundNodesInSubtree( node );
+                    if ( res[ 0 ] > 0 ) {
+                        _sb.append( " [" );
+                        _sb.append( res[ 0 ] );
+                        _sb.append( "/" );
+                        _sb.append( res[ 1 ] );
+                        _sb.append( "]" );
                     }
                 }
             }
         }
-        return offset;
-    }
-
-    final private void errorMessageNoCutCopyPasteInUnrootedDisplay() {
-        JOptionPane.showMessageDialog( this,
-                                       "Cannot cut, copy, paste, add, or delete subtrees/nodes in unrooted display",
-                                       "Attempt to cut/copy/paste/add/delete in unrooted display",
-                                       JOptionPane.ERROR_MESSAGE );
-    }
-
-    private final Color getColorForFoundNode( final PhylogenyNode n ) {
-        if ( isInCurrentExternalNodes( n ) ) {
-            return getTreeColorSet().getFoundColor0();
+        else {
+            // _sb.setLength( 0 );
         }
-        else if ( isInFoundNodes0( n ) && !isInFoundNodes1( n ) ) {
-            return getTreeColorSet().getFoundColor0();
+        // nodeDataAsSB( node, _sb );
+        final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
+        float down_shift_factor = 3.0f;
+        if ( !node.isExternal() && ( node.getNumberOfDescendants() == 1 ) ) {
+            down_shift_factor = 1;
         }
-        else if ( !isInFoundNodes0( n ) && isInFoundNodes1( n ) ) {
-            return getTreeColorSet().getFoundColor1();
+        float pos_x;
+        if ( getControlPanel().getTreeDisplayType() == Options.PHYLOGENY_DISPLAY_TYPE.ALIGNED_PHYLOGRAM
+                && ( node.isExternal() || node.isCollapse() ) ) {
+            pos_x = ( float ) ( ( getMaxDistanceToRoot() * getXcorrectionFactor() )
+                    + ( getOptions().getDefaultNodeShapeSize() / 2 ) + x + ( 2 * TreePanel.MOVE ) + getXdistance()
+                    + 3 );
         }
         else {
-            return getTreeColorSet().getFoundColor0and1();
+            pos_x = node.getXcoord() + x + 2 + half_box_size;
         }
-    }
-
-    final private Set<Long> getCopiedAndPastedNodes() {
-        return getMainPanel().getCopiedAndPastedNodes();
-    }
-
-    final private Set<Long> getCurrentExternalNodes() {
-        return _current_external_nodes;
-    }
-
-    final private Phylogeny getCutOrCopiedTree() {
-        return getMainPanel().getCutOrCopiedTree();
-    }
-
-    private FontMetrics getFontMetricsForLargeDefaultFont() {
-        return getTreeFontSet().getFontMetricsLarge();
-    }
-
-    private List<PhylogenyNode> getFoundNodesAsListOfPhylogenyNodes() {
-        final List<PhylogenyNode> additional_nodes = new ArrayList<PhylogenyNode>();
-        if ( getFoundNodes0() != null ) {
-            for( final Long id : getFoundNodes0() ) {
-                additional_nodes.add( _phylogeny.getNode( id ) );
+        float pos_y;
+        if ( !using_visual_font ) {
+            pos_y = ( node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ) );
+        }
+        else {
+            pos_y = ( node.getYcoord() + ( getFontMetrics( g.getFont() ).getAscent() / down_shift_factor ) );
+        }
+        if ( getControlPanel().getTreeDisplayType() == Options.PHYLOGENY_DISPLAY_TYPE.ALIGNED_PHYLOGRAM
+                && ( node.isExternal() || node.isCollapse() ) ) {
+            drawConnection( node.getXcoord(), pos_x - x, node.getYcoord(), 5, 20, g, to_pdf );
+            if ( node.isCollapse() ) {
+                pos_x -= add;
             }
         }
-        if ( getFoundNodes1() != null ) {
-            for( final Long id : getFoundNodes1() ) {
-                if ( ( getFoundNodes0() == null ) || !getFoundNodes0().contains( id ) ) {
-                    additional_nodes.add( _phylogeny.getNode( id ) );
+        final String sb_str = _sb.toString();
+        // GUILHEM_BEG ______________
+        if ( _control_panel.isShowSequenceRelations() && node.getNodeData().isHasSequence()
+                && ( _query_sequence != null ) ) {
+            x = paintSequenceRelation( g, node, x, half_box_size, pos_x, pos_y, sb_str );
+        }
+        // GUILHEM_END _____________
+        if ( sb_str.length() > 0 ) {
+            if ( !isAllowAttributedStrings() ) {
+                TreePanel.drawString( sb_str, pos_x, pos_y, g );
+            }
+            else {
+                drawStringX( sb_str, pos_x, pos_y, g );
+            }
+        }
+        if ( _sb.length() > 0 ) {
+            if ( !using_visual_font && !is_in_found_nodes ) {
+                x += getFontMetricsForLargeDefaultFont().stringWidth( _sb.toString() ) + 5;
+            }
+            else {
+                x += getFontMetrics( g.getFont() ).stringWidth( _sb.toString() ) + 5;
+            }
+        }
+        if ( getControlPanel().isShowAnnotation() && node.getNodeData().isHasSequence()
+                && ( node.getNodeData().getSequence().getAnnotations() != null )
+                && ( !node.getNodeData().getSequence().getAnnotations().isEmpty() ) ) {
+            final SortedSet<Annotation> ann = node.getNodeData().getSequence().getAnnotations();
+            if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+                g.setColor( Color.BLACK );
+            }
+            else if ( getControlPanel().isColorAccordingToAnnotation() ) {
+                g.setColor( calculateColorForAnnotation( ann ) );
+            }
+            final String ann_str = TreePanelUtil.createAnnotationString( ann,
+                                                                         getOptions().isShowAnnotationRefSource() );
+            TreePanel.drawString( ann_str,
+                                  node.getXcoord() + x + 3 + half_box_size,
+                                  node.getYcoord()
+                                          + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ),
+                                  g );
+            _sb.setLength( 0 );
+            _sb.append( ann_str );
+            if ( _sb.length() > 0 ) {
+                if ( !using_visual_font && !is_in_found_nodes ) {
+                    x += getFontMetricsForLargeDefaultFont().stringWidth( _sb.toString() ) + 5;
+                }
+                else {
+                    x += getFontMetrics( g.getFont() ).stringWidth( _sb.toString() ) + 5;
+                }
+            }
+        }
+        if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
+                || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE )
+                || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
+            if ( ( getControlPanel().isShowBinaryCharacters() || getControlPanel().isShowBinaryCharacterCounts() )
+                    && node.getNodeData().isHasBinaryCharacters() ) {
+                if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+                    g.setColor( Color.BLACK );
+                }
+                else {
+                    g.setColor( getTreeColorSet().getBinaryDomainCombinationsColor() );
+                }
+                if ( getControlPanel().isShowBinaryCharacters() ) {
+                    TreePanel.drawString( node.getNodeData().getBinaryCharacters().getPresentCharactersAsStringBuffer()
+                            .toString(),
+                                          node.getXcoord() + x + 1 + half_box_size,
+                                          node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent()
+                                                  / down_shift_factor ),
+                                          g );
+                    paintGainedAndLostCharacters( g,
+                                                  node,
+                                                  node.getNodeData().getBinaryCharacters()
+                                                          .getGainedCharactersAsStringBuffer().toString(),
+                                                  node.getNodeData().getBinaryCharacters()
+                                                          .getLostCharactersAsStringBuffer().toString() );
+                }
+                else {
+                    TreePanel.drawString( " " + node.getNodeData().getBinaryCharacters().getPresentCount(),
+                                          node.getXcoord() + x + 4 + half_box_size,
+                                          node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent()
+                                                  / down_shift_factor ),
+                                          g );
+                    paintGainedAndLostCharacters( g,
+                                                  node,
+                                                  "+" + node.getNodeData().getBinaryCharacters().getGainedCount(),
+                                                  "-" + node.getNodeData().getBinaryCharacters().getLostCount() );
                 }
             }
         }
-        return additional_nodes;
-    }
-
-    final private float getLastDragPointX() {
-        return _last_drag_point_x;
-    }
-
-    final private float getLastDragPointY() {
-        return _last_drag_point_y;
+        return x;
     }
 
-    final private short getMaxBranchesToLeaf( final PhylogenyNode node ) {
-        if ( !_nodeid_dist_to_leaf.containsKey( node.getId() ) ) {
-            final short m = PhylogenyMethods.calculateMaxBranchesToLeaf( node );
-            _nodeid_dist_to_leaf.put( node.getId(), m );
-            return m;
-        }
-        else {
-            return _nodeid_dist_to_leaf.get( node.getId() );
+    private final int paintSequenceRelation( final Graphics2D g,
+                                             final PhylogenyNode node,
+                                             int x,
+                                             final int half_box_size,
+                                             final float pos_x,
+                                             final float pos_y,
+                                             final String sb_str ) {
+        int nodeTextBoundsWidth = 0;
+        if ( sb_str.length() > 0 ) {
+            final Rectangle2D node_text_bounds = new TextLayout( sb_str, g.getFont(), _frc ).getBounds(); //would like to remove this 'new', but how...
+            nodeTextBoundsWidth = ( int ) node_text_bounds.getWidth();
         }
-    }
-
-    final private double getMaxDistanceToRoot() {
-        if ( _max_distance_to_root < 0 ) {
-            recalculateMaxDistanceToRoot();
+        if ( node.getNodeData().getSequence().equals( _query_sequence ) ) {
+            if ( nodeTextBoundsWidth > 0 ) { // invert font color and background color to show that this is the query sequence
+                g.fillRect( ( int ) pos_x - 1, ( int ) pos_y - 8, nodeTextBoundsWidth + 5, 11 );
+                g.setColor( getTreeColorSet().getBackgroundColor() );
+            }
         }
-        return _max_distance_to_root;
-    }
-
-    final private float getOvMaxHeight() {
-        return _ov_max_height;
-    }
-
-    final private float getOvMaxWidth() {
-        return _ov_max_width;
-    }
-
-    final private float getOvXcorrectionFactor() {
-        return _ov_x_correction_factor;
-    }
-
-    final private float getOvXDistance() {
-        return _ov_x_distance;
-    }
-
-    final private int getOvXPosition() {
-        return _ov_x_position;
-    }
-
-    final private float getOvYDistance() {
-        return _ov_y_distance;
-    }
-
-    final private int getOvYPosition() {
-        return _ov_y_position;
-    }
-
-    final private int getOvYStart() {
-        return _ov_y_start;
-    }
-
-    final private List<Accession> getPdbAccs( final PhylogenyNode node ) {
-        final List<Accession> pdb_ids = new ArrayList<Accession>();
-        if ( node.getNodeData().isHasSequence() ) {
-            final Sequence seq = node.getNodeData().getSequence();
-            if ( !ForesterUtil.isEmpty( seq.getCrossReferences() ) ) {
-                final SortedSet<Accession> cross_refs = seq.getCrossReferences();
-                for( final Accession acc : cross_refs ) {
-                    if ( acc.getSource().equalsIgnoreCase( "pdb" ) ) {
-                        pdb_ids.add( acc );
+        else {
+            final List<SequenceRelation> seqRelations = node.getNodeData().getSequence().getSequenceRelations();
+            for( final SequenceRelation seqRelation : seqRelations ) {
+                final boolean fGotRelationWithQuery = ( seqRelation.getRef0().isEqual( _query_sequence )
+                        || seqRelation.getRef1().isEqual( _query_sequence ) )
+                        && seqRelation.getType()
+                                .equals( getControlPanel().getSequenceRelationTypeBox().getSelectedItem() );
+                if ( fGotRelationWithQuery ) { // we will underline the text to show that this sequence is ortholog to the query
+                    final double linePosX = node.getXcoord() + 2 + half_box_size;
+                    final String sConfidence = ( !getControlPanel().isShowSequenceRelationConfidence()
+                            || ( seqRelation.getConfidence() == null ) ) ? null
+                                    : " (" + seqRelation.getConfidence().getValue() + ")";
+                    if ( sConfidence != null ) {
+                        float confidenceX = pos_x;
+                        if ( sb_str.length() > 0 ) {
+                            confidenceX += new TextLayout( sb_str, g.getFont(), _frc ).getBounds().getWidth()
+                                    + CONFIDENCE_LEFT_MARGIN;
+                        }
+                        if ( confidenceX > linePosX ) { // let's only display confidence value if we are already displaying at least one of Prot/Gene Name and Taxonomy Code
+                            final int confidenceWidth = ( int ) new TextLayout( sConfidence, g.getFont(), _frc )
+                                    .getBounds().getWidth();
+                            TreePanel.drawString( sConfidence, confidenceX, pos_y, g );
+                            x += CONFIDENCE_LEFT_MARGIN + confidenceWidth;
+                        }
+                    }
+                    if ( ( x + nodeTextBoundsWidth ) > 0 ) /* we only underline if there is something displayed */
+                    {
+                        if ( nodeTextBoundsWidth == 0 ) {
+                            nodeTextBoundsWidth -= 3; /* the gap between taxonomy code and node name should not be underlined if nothing comes after it */
+                        }
+                        else {
+                            nodeTextBoundsWidth += 2;
+                        }
+                        g.drawLine( ( int ) linePosX + 1,
+                                    3 + ( int ) pos_y,
+                                    ( int ) linePosX + x + nodeTextBoundsWidth,
+                                    3 + ( int ) pos_y );
+                        break;
                     }
                 }
             }
         }
-        return pdb_ids;
-    }
-
-    final private double getScaleDistance() {
-        return _scale_distance;
-    }
-
-    final private String getScaleLabel() {
-        return _scale_label;
-    }
-
-    final private TreeFontSet getTreeFontSet() {
-        return getMainPanel().getTreeFontSet();
-    }
-
-    final private float getUrtFactor() {
-        return _urt_factor;
-    }
-
-    final private float getUrtFactorOv() {
-        return _urt_factor_ov;
-    }
-
-    final private void handleClickToAction( final NodeClickAction action, final PhylogenyNode node ) {
-        switch ( action ) {
-            case SHOW_DATA:
-                showNodeFrame( node );
-                break;
-            case COLLAPSE:
-                collapse( node );
-                break;
-            case REROOT:
-                reRoot( node );
-                break;
-            case SUBTREE:
-                subTree( node );
-                break;
-            case SWAP:
-                swap( node );
-                break;
-            case COLOR_SUBTREE:
-                colorSubtree( node );
-                break;
-            case COLOR_NODE_FONT:
-                colorNodeFont( node );
-                break;
-            case CHANGE_NODE_FONT:
-                changeNodeFont( node );
-                break;
-            case OPEN_SEQ_WEB:
-                openSeqWeb( node );
-                break;
-            case BLAST:
-                blast( node );
-                break;
-            case OPEN_TAX_WEB:
-                openTaxWeb( node );
-                break;
-            case OPEN_PDB_WEB:
-                openPdbWeb( node );
-                break;
-            case CUT_SUBTREE:
-                cutSubtree( node );
-                break;
-            case COPY_SUBTREE:
-                copySubtree( node );
-                break;
-            case PASTE_SUBTREE:
-                pasteSubtree( node );
-                break;
-            case DELETE_NODE_OR_SUBTREE:
-                deleteNodeOrSubtree( node );
-                break;
-            case ADD_NEW_NODE:
-                addEmptyNode( node );
-                break;
-            case EDIT_NODE_DATA:
-                showNodeEditFrame( node );
-                break;
-            case SELECT_NODES:
-                selectNode( node );
-                break;
-            case SORT_DESCENDENTS:
-                sortDescendants( node );
-                break;
-            case GET_EXT_DESC_DATA:
-                showExtDescNodeData( node );
-                break;
-            default:
-                throw new IllegalArgumentException( "unknown action: " + action );
-        }
-    }
-
-    final private void increaseCurrentExternalNodesDataBufferChangeCounter() {
-        _current_external_nodes_data_buffer_change_counter++;
-    }
-
-    final private void increaseOvSize() {
-        if ( ( getOvMaxWidth() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect().getWidth() / 2 ) )
-                && ( getOvMaxHeight() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect()
-                        .getHeight() / 2 ) ) ) {
-            setOvMaxWidth( getOvMaxWidth() + 5 );
-            setOvMaxHeight( getOvMaxHeight() + 5 );
-            updateOvSettings();
-            getControlPanel().displayedPhylogenyMightHaveChanged( false );
-        }
-    }
-
-    final private void init() {
-        _color_chooser = new JColorChooser();
-        _rollover_popup = new JTextArea();
-        _rollover_popup.setFont( POPUP_FONT );
-        resetNodeIdToDistToLeafMap();
-        setTextAntialias();
-        setTreeFile( null );
-        setEdited( false );
-        initializeOvSettings();
-        setStartingAngle( ( TWO_PI * 3 ) / 4 );
-        final ImageLoader il = new ImageLoader( this );
-        new Thread( il ).start();
-    }
-
-    final private void initializeOvSettings() {
-        setOvMaxHeight( getConfiguration().getOvMaxHeight() );
-        setOvMaxWidth( getConfiguration().getOvMaxWidth() );
-    }
-
-    final private boolean inOvVirtualRectangle( final int x, final int y ) {
-        return ( ( x >= ( getOvVirtualRectangle().x - 1 ) )
-                && ( x <= ( getOvVirtualRectangle().x + getOvVirtualRectangle().width + 1 ) )
-                && ( y >= ( getOvVirtualRectangle().y - 1 ) ) && ( y <= ( getOvVirtualRectangle().y
-                + getOvVirtualRectangle().height + 1 ) ) );
-    }
-
-    final private boolean inOvVirtualRectangle( final MouseEvent e ) {
-        return ( inOvVirtualRectangle( e.getX(), e.getY() ) );
-    }
-
-    final private boolean isCanBlast( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasSequence() && ForesterUtil.isEmpty( node.getName() ) ) {
-            return false;
-        }
-        return Blast.isContainsQueryForBlast( node );
-    }
-
-    final private String isCanOpenSeqWeb( final PhylogenyNode node ) {
-        final Accession a = SequenceAccessionTools.obtainAccessorFromDataFields( node );
-        if ( a != null ) {
-            return a.getValue();
-        }
-        return null;
+        return x;
     }
 
-    final private boolean isCanOpenTaxWeb( final PhylogenyNode node ) {
-        if ( node.getNodeData().isHasTaxonomy()
-                && ( ( !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getScientificName() ) )
-                        || ( !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getTaxonomyCode() ) )
-                        || ( !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getCommonName() ) ) || ( ( node
-                        .getNodeData().getTaxonomy().getIdentifier() != null ) && !ForesterUtil.isEmpty( node
-                        .getNodeData().getTaxonomy().getIdentifier().getValue() ) ) ) ) {
-            return true;
-        }
-        else {
-            return false;
+    private final void drawConnection( final float x1,
+                                       final float x2,
+                                       final float y,
+                                       final int dist_left,
+                                       final int dist_right,
+                                       final Graphics2D g,
+                                       final boolean pdf ) {
+        if ( ( ( x1 + dist_left ) < ( x2 - dist_right ) ) ) {
+            final Stroke strok = g.getStroke();
+            Color col = null;
+            if ( strok == STROKE_005 ) {
+                g.setStroke( STROKE_001_DASHED );
+            }
+            else if ( strok == STROKE_01 ) {
+                g.setStroke( STROKE_005_DASHED );
+            }
+            else {
+                g.setStroke( STROKE_01_DASHED );
+            }
+            if ( pdf ) {
+                col = g.getColor();
+                g.setColor( lighter( col ) );
+            }
+            drawLine( x1 + dist_left, y, x2 - dist_right, y, g );
+            g.setStroke( strok );
+            if ( pdf ) {
+                g.setColor( col );
+            }
         }
     }
-
-    final private boolean isInCurrentExternalNodes( final PhylogenyNode node ) {
-        return ( ( getCurrentExternalNodes() != null ) && getCurrentExternalNodes().contains( node.getId() ) );
-    }
-
-    private boolean isInFoundNodes( final PhylogenyNode n ) {
-        return isInFoundNodes0( n ) || isInFoundNodes1( n );
-    }
-
-    final private boolean isInFoundNodes0( final PhylogenyNode node ) {
-        return ( ( getFoundNodes0() != null ) && getFoundNodes0().contains( node.getId() ) );
-    }
-
-    final private boolean isInFoundNodes1( final PhylogenyNode node ) {
-        return ( ( getFoundNodes1() != null ) && getFoundNodes1().contains( node.getId() ) );
+
+    public static Color lighter( final Color color ) {
+        if ( ( color.getRed() == 0 ) && ( color.getGreen() == 0 ) && ( color.getBlue() == 0 ) ) {
+            return new Color( 200, 200, 200 );
+        }
+        else {
+            return color;
+        }
     }
 
-    final private boolean isInOv() {
-        return _in_ov;
+    private final void addLabelForCollapsed( final String first,
+                                             final String last,
+                                             final int size,
+                                             final PhylogenyNode node ) {
+        _sb.append( first.length() < AptxConstants.MAX_LENGTH_FOR_COLLAPSED_NAME ? first
+                : first.substring( 0, AptxConstants.MAX_LENGTH_FOR_COLLAPSED_NAME - 1 ) );
+        _sb.append( " ... " );
+        _sb.append( last.length() < AptxConstants.MAX_LENGTH_FOR_COLLAPSED_NAME ? last
+                : last.substring( 0, AptxConstants.MAX_LENGTH_FOR_COLLAPSED_NAME - 1 ) );
+        _sb.append( " (" + size + ")" );
+        if ( _found_nodes_0 != null || _found_nodes_1 != null ) {
+            /////
+            /////
+            int[] res = calcFoundNodesInSubtree( node );
+            if ( res[ 0 ] > 0 ) {
+                _sb.append( " [" );
+                _sb.append( res[ 0 ] );
+                _sb.append( "/" );
+                _sb.append( res[ 1 ] );
+                _sb.append( "]" );
+            }
+        }
     }
 
-    final private boolean isNodeDataInvisible( final PhylogenyNode node ) {
-        int y_dist = 40;
-        if ( getControlPanel().isShowTaxonomyImages() ) {
-            y_dist = 40 + ( int ) getYdistance();
+    private final int[] calcFoundNodesInSubtree( final PhylogenyNode node ) {
+        final List<PhylogenyNode> all_descs = PhylogenyMethods.getAllDescendants( node );
+        int res[] = new int[ 2 ];
+        int found = 0;
+        int total = 0;
+        for( final PhylogenyNode desc : all_descs ) {
+            if ( desc.isHasNodeData() ) {
+                if ( ( _found_nodes_0 != null && _found_nodes_0.contains( desc.getId() ) )
+                        || ( _found_nodes_1 != null && _found_nodes_1.contains( desc.getId() ) ) ) {
+                    ++found;
+                }
+                ++total;
+            }
         }
-        return ( ( node.getYcoord() < ( getVisibleRect().getMinY() - y_dist ) )
-                || ( node.getYcoord() > ( getVisibleRect().getMaxY() + y_dist ) ) || ( ( node.getParent() != null ) && ( node
-                .getParent().getXcoord() > getVisibleRect().getMaxX() ) ) );
+        res[ 0 ] = found;
+        res[ 1 ] = total;
+        return res;
     }
 
-    final private boolean isNodeDataInvisibleUnrootedCirc( final PhylogenyNode node ) {
-        return ( ( node.getYcoord() < ( getVisibleRect().getMinY() - 20 ) )
-                || ( node.getYcoord() > ( getVisibleRect().getMaxY() + 20 ) )
-                || ( node.getXcoord() < ( getVisibleRect().getMinX() - 20 ) ) || ( node.getXcoord() > ( getVisibleRect()
-                .getMaxX() + 20 ) ) );
+    private final boolean isAllowAttributedStrings() {
+        return false;
     }
 
-    final private boolean isNonLinedUpCladogram() {
-        return getOptions().getCladogramType() == CLADOGRAM_TYPE.NON_LINED_UP;
+    final private void paintNodeDataUnrootedCirc( final Graphics2D g,
+                                                  final PhylogenyNode node,
+                                                  final boolean to_pdf,
+                                                  final boolean to_graphics_file,
+                                                  final boolean radial_labels,
+                                                  final double ur_angle,
+                                                  final boolean is_in_found_nodes ) {
+        if ( isNodeDataInvisibleUnrootedCirc( node ) && !to_graphics_file && !to_pdf ) {
+            return;
+        }
+        _sb.setLength( 0 );
+        _sb.append( " " );
+        if ( node.getNodeData().isHasTaxonomy()
+                && ( getControlPanel().isShowTaxonomyCode() || getControlPanel().isShowTaxonomyScientificNames()
+                        || getControlPanel().isShowTaxonomyCommonNames() ) ) {
+            final Taxonomy taxonomy = node.getNodeData().getTaxonomy();
+            if ( _control_panel.isShowTaxonomyCode() && !ForesterUtil.isEmpty( taxonomy.getTaxonomyCode() ) ) {
+                _sb.append( taxonomy.getTaxonomyCode() );
+                _sb.append( " " );
+            }
+            if ( _control_panel.isShowTaxonomyScientificNames() && _control_panel.isShowTaxonomyCommonNames() ) {
+                if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() )
+                        && !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                    _sb.append( taxonomy.getScientificName() );
+                    _sb.append( " (" );
+                    _sb.append( taxonomy.getCommonName() );
+                    _sb.append( ") " );
+                }
+                else if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
+                    _sb.append( taxonomy.getScientificName() );
+                    _sb.append( " " );
+                }
+                else if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                    _sb.append( taxonomy.getCommonName() );
+                    _sb.append( " " );
+                }
+            }
+            else if ( _control_panel.isShowTaxonomyScientificNames() ) {
+                if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
+                    _sb.append( taxonomy.getScientificName() );
+                    _sb.append( " " );
+                }
+            }
+            else if ( _control_panel.isShowTaxonomyCommonNames() ) {
+                if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
+                    _sb.append( taxonomy.getCommonName() );
+                    _sb.append( " " );
+                }
+            }
+        }
+        if ( node.isCollapse() && ( ( !node.isRoot() && !node.getParent().isCollapse() ) || node.isRoot() ) ) {
+            _sb.append( " [" );
+            _sb.append( node.getAllExternalDescendants().size() );
+            _sb.append( "]" );
+        }
+        if ( getControlPanel().isShowNodeNames() && ( node.getName().length() > 0 ) ) {
+            if ( _sb.length() > 0 ) {
+                _sb.append( " " );
+            }
+            _sb.append( node.getName() );
+        }
+        if ( node.getNodeData().isHasSequence() ) {
+            if ( getControlPanel().isShowSequenceAcc()
+                    && ( node.getNodeData().getSequence().getAccession() != null ) ) {
+                if ( _sb.length() > 0 ) {
+                    _sb.append( " " );
+                }
+                if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getAccession().getSource() ) ) {
+                    _sb.append( node.getNodeData().getSequence().getAccession().getSource() );
+                    _sb.append( ":" );
+                }
+                _sb.append( node.getNodeData().getSequence().getAccession().getValue() );
+            }
+            if ( getControlPanel().isShowSeqNames() && ( node.getNodeData().getSequence().getName().length() > 0 ) ) {
+                if ( _sb.length() > 0 ) {
+                    _sb.append( " " );
+                }
+                _sb.append( node.getNodeData().getSequence().getName() );
+            }
+        }
+        //g.setFont( getTreeFontSet().getLargeFont() );
+        //if ( is_in_found_nodes ) {
+        //    g.setFont( getTreeFontSet().getLargeFont().deriveFont( Font.BOLD ) );
+        // }
+        if ( _sb.length() > 1 ) {
+            setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getSequenceColor() );
+            final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
+            final String sb_str = _sb.toString();
+            double m = 0;
+            if ( _graphics_type == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
+                m = _urt_nodeid_angle_map.get( node.getId() ) % TWO_PI;
+            }
+            else {
+                m = ( float ) ( ur_angle % TWO_PI );
+            }
+            _at = g.getTransform();
+            boolean need_to_reset = false;
+            final float x_coord = node.getXcoord();
+            float y_coord;
+            if ( !using_visual_font ) {
+                y_coord = node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent() / 3.0f );
+            }
+            else {
+                y_coord = node.getYcoord() + ( getFontMetrics( g.getFont() ).getAscent() / 3.0f );
+            }
+            if ( radial_labels ) {
+                need_to_reset = true;
+                boolean left = false;
+                if ( ( m > HALF_PI ) && ( m < ONEHALF_PI ) ) {
+                    m -= PI;
+                    left = true;
+                }
+                g.rotate( m, x_coord, node.getYcoord() );
+                if ( left ) {
+                    if ( !using_visual_font ) {
+                        g.translate( -( getFontMetricsForLargeDefaultFont().getStringBounds( sb_str, g ).getWidth() ),
+                                     0 );
+                    }
+                    else {
+                        g.translate( -( getFontMetrics( g.getFont() ).getStringBounds( sb_str, g ).getWidth() ), 0 );
+                    }
+                }
+            }
+            else {
+                if ( ( m > HALF_PI ) && ( m < ONEHALF_PI ) ) {
+                    need_to_reset = true;
+                    if ( !using_visual_font ) {
+                        g.translate( -getFontMetricsForLargeDefaultFont().getStringBounds( sb_str, g ).getWidth(), 0 );
+                    }
+                    else {
+                        g.translate( -getFontMetrics( g.getFont() ).getStringBounds( sb_str, g ).getWidth(), 0 );
+                    }
+                }
+            }
+            TreePanel.drawString( sb_str, x_coord, y_coord, g );
+            if ( need_to_reset ) {
+                g.setTransform( _at );
+            }
+        }
     }
 
-    final private boolean isUniformBranchLengthsForCladogram() {
-        return getOptions().getCladogramType() == CLADOGRAM_TYPE.TOTAL_NODE_SUM_DEP;
+    final private void paintNodeLite( final Graphics2D g, final PhylogenyNode node ) {
+        if ( node.isCollapse() ) {
+            return;
+        }
+        if ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) ) {
+            g.setColor( getColorForFoundNode( node ) );
+            drawRectFilled( node.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                            node.getYSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                            OVERVIEW_FOUND_NODE_BOX_SIZE,
+                            OVERVIEW_FOUND_NODE_BOX_SIZE,
+                            g );
+        }
+        float new_x = 0;
+        if ( !node.isExternal() && !node.isCollapse() ) {
+            boolean first_child = true;
+            float y2 = 0.0f;
+            //final int parent_max_branch_to_leaf = getMaxBranchesToLeaf( node );
+            for( int i = 0; i < node.getNumberOfDescendants(); ++i ) {
+                final PhylogenyNode child_node = node.getChildNode( i );
+                final int factor_x = node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes();
+                if ( first_child ) {
+                    first_child = false;
+                    y2 = node.getYSecondary() - ( getOvYDistance()
+                            * ( node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes() ) );
+                }
+                else {
+                    y2 += getOvYDistance() * child_node.getNumberOfExternalNodes();
+                }
+                final float x2 = calculateOvBranchLengthToParent( child_node, factor_x );
+                new_x = x2 + node.getXSecondary();
+                final float diff_y = node.getYSecondary() - y2;
+                final float diff_x = node.getXSecondary() - new_x;
+                if ( ( diff_y > 2 ) || ( diff_y < -2 ) || ( diff_x > 2 ) || ( diff_x < -2 ) ) {
+                    paintBranchLite( g, node.getXSecondary(), new_x, node.getYSecondary(), y2, child_node );
+                }
+                child_node.setXSecondary( new_x );
+                child_node.setYSecondary( y2 );
+                y2 += getOvYDistance() * child_node.getNumberOfExternalNodes();
+            }
+        }
     }
 
-    final private void keyPressedCalls( final KeyEvent e ) {
-        if ( isOvOn() && ( getMousePosition() != null ) && ( getMousePosition().getLocation() != null ) ) {
-            if ( inOvVirtualRectangle( getMousePosition().x, getMousePosition().y ) ) {
-                if ( !isInOvRect() ) {
-                    setInOvRect( true );
+    final private void paintNodeRectangular( final Graphics2D g,
+                                             final PhylogenyNode node,
+                                             final boolean to_pdf,
+                                             final boolean dynamically_hide,
+                                             final int dynamic_hiding_factor,
+                                             final boolean to_graphics_file,
+                                             final boolean disallow_shortcutting ) {
+        final boolean is_in_found_nodes = isInFoundNodes( node ) || isInCurrentExternalNodes( node );
+        if ( node.isCollapse() ) {
+            if ( ( !node.isRoot() && !node.getParent().isCollapse() ) ) {
+                paintCollapsedNode( g, node, to_graphics_file, to_pdf, is_in_found_nodes );
+            }
+            return;
+        }
+        if ( node.isExternal() ) {
+            ++_external_node_index;
+        }
+        // Confidence values
+        if ( getControlPanel().isShowConfidenceValues() && !node.isExternal() && !node.isRoot()
+                && ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
+                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) )
+                && node.getBranchData().isHasConfidences() ) {
+            paintConfidenceValues( g, node, to_pdf, to_graphics_file );
+        }
+        // Draw a line to root:
+        if ( node.isRoot() && _phylogeny.isRooted() ) {
+            paintRootBranch( g, node.getXcoord(), node.getYcoord(), node, to_pdf, to_graphics_file );
+        }
+        float new_x = 0;
+        float new_x_min = Float.MAX_VALUE;
+        float min_dist = 1.5f;
+        if ( !disallow_shortcutting ) {
+            if ( dynamic_hiding_factor > 4000 ) {
+                min_dist = 4;
+            }
+            else if ( dynamic_hiding_factor > 1000 ) {
+                min_dist = 3;
+            }
+            else if ( dynamic_hiding_factor > 100 ) {
+                min_dist = 2;
+            }
+        }
+        if ( !node.isExternal() && !node.isCollapse() ) {
+            boolean first_child = true;
+            float y2 = 0.0f;
+            for( int i = 0; i < node.getNumberOfDescendants(); ++i ) {
+                final PhylogenyNode child_node = node.getChildNode( i );
+                final int factor_x = node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes();
+                if ( first_child ) {
+                    first_child = false;
+                    y2 = node.getYcoord() - ( _y_distance
+                            * ( node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes() ) );
+                }
+                else {
+                    y2 += _y_distance * child_node.getNumberOfExternalNodes();
+                }
+                final float x2 = calculateBranchLengthToParent( child_node, factor_x );
+                new_x = x2 + node.getXcoord();
+                if ( dynamically_hide && ( x2 < new_x_min ) ) {
+                    new_x_min = x2;
+                }
+                final float diff_y = node.getYcoord() - y2;
+                final float diff_x = node.getXcoord() - new_x;
+                if ( disallow_shortcutting || ( diff_y > min_dist ) || ( diff_y < -min_dist ) || ( diff_x > min_dist )
+                        || ( diff_x < -min_dist ) ) {
+                    paintBranchRectangular( g,
+                                            node.getXcoord(),
+                                            new_x,
+                                            node.getYcoord(),
+                                            y2,
+                                            child_node,
+                                            to_pdf,
+                                            to_graphics_file );
                 }
+                child_node.setXcoord( new_x );
+                child_node.setYcoord( y2 );
+                y2 += _y_distance * child_node.getNumberOfExternalNodes();
             }
-            else if ( isInOvRect() ) {
-                setInOvRect( false );
-            }
+            paintNodeBox( node.getXcoord(), node.getYcoord(), node, g, to_pdf, to_graphics_file );
         }
-        if ( e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK ) {
-            if ( ( e.getKeyCode() == KeyEvent.VK_DELETE ) || ( e.getKeyCode() == KeyEvent.VK_HOME )
-                    || ( e.getKeyCode() == KeyEvent.VK_F ) ) {
-                getMainPanel().getTreeFontSet().mediumFonts();
-                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
-            }
-            else if ( ( e.getKeyCode() == KeyEvent.VK_SUBTRACT ) || ( e.getKeyCode() == KeyEvent.VK_MINUS ) ) {
-                getMainPanel().getTreeFontSet().decreaseFontSize( 1, false );
-                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
-            }
-            else if ( plusPressed( e.getKeyCode() ) ) {
-                getMainPanel().getTreeFontSet().increaseFontSize();
-                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
-            }
+        if ( getControlPanel().isShowMolSequences() && ( node.getNodeData().isHasSequence() )
+                && ( node.getNodeData().getSequence().isMolecularSequenceAligned() )
+                && ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getMolecularSequence() ) ) ) {
+            paintMolecularSequences( g, node, to_pdf );
         }
-        else {
-            if ( ( e.getKeyCode() == KeyEvent.VK_DELETE ) || ( e.getKeyCode() == KeyEvent.VK_HOME )
-                    || ( e.getKeyCode() == KeyEvent.VK_F ) ) {
-                getControlPanel().showWhole();
-            }
-            else if ( ( e.getKeyCode() == KeyEvent.VK_UP ) || ( e.getKeyCode() == KeyEvent.VK_DOWN )
-                    || ( e.getKeyCode() == KeyEvent.VK_LEFT ) || ( e.getKeyCode() == KeyEvent.VK_RIGHT ) ) {
-                if ( e.getModifiersEx() == InputEvent.SHIFT_DOWN_MASK ) {
-                    if ( e.getKeyCode() == KeyEvent.VK_UP ) {
-                        getMainPanel().getControlPanel().zoomInY( Constants.WHEEL_ZOOM_IN_FACTOR );
-                        getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
-                    }
-                    else if ( e.getKeyCode() == KeyEvent.VK_DOWN ) {
-                        getMainPanel().getControlPanel().zoomOutY( Constants.WHEEL_ZOOM_OUT_FACTOR );
-                        getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
-                    }
-                    else if ( e.getKeyCode() == KeyEvent.VK_LEFT ) {
-                        getMainPanel().getControlPanel().zoomOutX( Constants.WHEEL_ZOOM_OUT_FACTOR,
-                                                                   Constants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
-                        getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
+        if ( dynamically_hide && ( ( node.isExternal() && ( ( _external_node_index % dynamic_hiding_factor ) != 1 ) )
+                || ( !node.isExternal() && ( ( new_x_min < 20 )
+                        || ( ( _y_distance * node.getNumberOfExternalNodes() ) < getFontMetricsForLargeDefaultFont()
+                                .getHeight() ) ) ) ) ) {
+            return;
+        }
+        final int x = paintNodeData( g, node, to_graphics_file, to_pdf, is_in_found_nodes, 0 );
+        paintNodeWithRenderableData( x, g, node, to_graphics_file, to_pdf );
+    }
+
+    final private void paintNodeWithRenderableData( final int x,
+                                                    final Graphics2D g,
+                                                    final PhylogenyNode node,
+                                                    final boolean to_graphics_file,
+                                                    final boolean to_pdf ) {
+        if ( isNodeDataInvisible( node ) && !( to_graphics_file || to_pdf ) ) {
+            return;
+        }
+        if ( ( !getControlPanel().isShowInternalData() && !node.isExternal() ) ) {
+            return;
+        }
+        if ( ( !getControlPanel().isShowExternalData() && node.isExternal() ) ) {
+            return;
+        }
+        if ( getControlPanel().isShowDomainArchitectures() && node.getNodeData().isHasSequence()
+                && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) && ( node.getNodeData()
+                        .getSequence().getDomainArchitecture() instanceof RenderableDomainArchitecture ) ) {
+            RenderableDomainArchitecture rds = null;
+            try {
+                rds = ( RenderableDomainArchitecture ) node.getNodeData().getSequence().getDomainArchitecture();
+            }
+            catch ( final ClassCastException cce ) {
+                cce.printStackTrace();
+            }
+            if ( rds != null ) {
+                final int default_height = 7;
+                float y = getYdistance();
+                if ( getControlPanel().isDynamicallyHideData() ) {
+                    y = getTreeFontSet().getFontMetricsLarge().getHeight();
+                }
+                final int h = y < default_height ? ForesterUtil.roundToInt( y ) : default_height;
+                rds.setRenderingHeight( h > 1 ? h : 2 );
+                if ( getControlPanel().isDrawPhylogram() ) {
+                    if ( getOptions().isLineUpRendarableNodeData() ) {
+                        if ( getOptions().isRightLineUpDomains() ) {
+                            rds.render( ( float ) ( ( getMaxDistanceToRoot() * getXcorrectionFactor() )
+                                    + _length_of_longest_text + 50 //TODO why plus 50?
+                                    + ( ( _longest_domain - rds.getTotalLength() ) * rds.getRenderingFactorWidth() ) ),
+                                        node.getYcoord() - ( h / 2.0f ),
+                                        g,
+                                        this,
+                                        to_pdf );
+                        }
+                        else {
+                            rds.render( ( float ) ( ( getMaxDistanceToRoot() * getXcorrectionFactor() )
+                                    + _length_of_longest_text + 50 ),
+                                        node.getYcoord() - ( h / 2.0f ),
+                                        g,
+                                        this,
+                                        to_pdf );
+                        }
                     }
-                    else if ( e.getKeyCode() == KeyEvent.VK_RIGHT ) {
-                        getMainPanel().getControlPanel().zoomInX( Constants.WHEEL_ZOOM_IN_FACTOR,
-                                                                  Constants.WHEEL_ZOOM_IN_FACTOR );
-                        getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
+                    else {
+                        rds.render( node.getXcoord() + x, node.getYcoord() - ( h / 2.0f ), g, this, to_pdf );
                     }
                 }
                 else {
-                    final int d = 80;
-                    int dx = 0;
-                    int dy = -d;
-                    if ( e.getKeyCode() == KeyEvent.VK_DOWN ) {
-                        dy = d;
-                    }
-                    else if ( e.getKeyCode() == KeyEvent.VK_LEFT ) {
-                        dx = -d;
-                        dy = 0;
-                    }
-                    else if ( e.getKeyCode() == KeyEvent.VK_RIGHT ) {
-                        dx = d;
-                        dy = 0;
-                    }
-                    final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
-                    scroll_position.x = scroll_position.x + dx;
-                    scroll_position.y = scroll_position.y + dy;
-                    if ( scroll_position.x <= 0 ) {
-                        scroll_position.x = 0;
-                    }
-                    else {
-                        final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
-                                - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
-                        if ( scroll_position.x >= max_x ) {
-                            scroll_position.x = max_x;
-                        }
-                    }
-                    if ( scroll_position.y <= 0 ) {
-                        scroll_position.y = 0;
+                    if ( getOptions().isRightLineUpDomains() ) {
+                        rds.render( ( ( getPhylogeny().getFirstExternalNode().getXcoord() + _length_of_longest_text )
+                                - 20 ) + ( ( _longest_domain - rds.getTotalLength() ) * rds.getRenderingFactorWidth() ),
+                                    node.getYcoord() - ( h / 2.0f ),
+                                    g,
+                                    this,
+                                    to_pdf );
                     }
                     else {
-                        final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
-                                - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
-                        if ( scroll_position.y >= max_y ) {
-                            scroll_position.y = max_y;
-                        }
+                        rds.render( getPhylogeny().getFirstExternalNode().getXcoord() + _length_of_longest_text,
+                                    node.getYcoord() - ( h / 2.0f ),
+                                    g,
+                                    this,
+                                    to_pdf );
                     }
-                    repaint();
-                    getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
-                }
-            }
-            else if ( ( e.getKeyCode() == KeyEvent.VK_SUBTRACT ) || ( e.getKeyCode() == KeyEvent.VK_MINUS ) ) {
-                getMainPanel().getControlPanel().zoomOutY( Constants.WHEEL_ZOOM_OUT_FACTOR );
-                getMainPanel().getControlPanel().zoomOutX( Constants.WHEEL_ZOOM_OUT_FACTOR,
-                                                           Constants.WHEEL_ZOOM_OUT_X_CORRECTION_FACTOR );
-                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
-            }
-            else if ( plusPressed( e.getKeyCode() ) ) {
-                getMainPanel().getControlPanel().zoomInX( Constants.WHEEL_ZOOM_IN_FACTOR,
-                                                          Constants.WHEEL_ZOOM_IN_FACTOR );
-                getMainPanel().getControlPanel().zoomInY( Constants.WHEEL_ZOOM_IN_FACTOR );
-                getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( false );
-            }
-            else if ( e.getKeyCode() == KeyEvent.VK_S ) {
-                if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
-                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
-                    setStartingAngle( ( getStartingAngle() % TWO_PI ) + ANGLE_ROTATION_UNIT );
-                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
                 }
             }
-            else if ( e.getKeyCode() == KeyEvent.VK_A ) {
-                if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
-                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
-                    setStartingAngle( ( getStartingAngle() % TWO_PI ) - ANGLE_ROTATION_UNIT );
-                    if ( getStartingAngle() < 0 ) {
-                        setStartingAngle( TWO_PI + getStartingAngle() );
-                    }
-                    getControlPanel().displayedPhylogenyMightHaveChanged( false );
+        }
+        if ( getControlPanel().isShowVectorData() && ( node.getNodeData().getVector() != null )
+                && ( node.getNodeData().getVector().size() > 0 ) && ( getStatisticsForExpressionValues() != null ) ) {
+            final RenderableVector rv = RenderableVector.createInstance( node.getNodeData().getVector(),
+                                                                         getStatisticsForExpressionValues(),
+                                                                         getConfiguration() );
+            if ( rv != null ) {
+                double domain_add = 0;
+                if ( getControlPanel().isShowDomainArchitectures() && node.getNodeData().isHasSequence()
+                        && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
+                    domain_add = _domain_structure_width + 10;
                 }
-            }
-            else if ( e.getKeyCode() == KeyEvent.VK_D ) {
-                boolean selected = false;
-                if ( getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.HORIZONTAL ) {
-                    getOptions().setNodeLabelDirection( NODE_LABEL_DIRECTION.RADIAL );
-                    selected = true;
+                if ( getControlPanel().isDrawPhylogram() ) {
+                    rv.render( ( float ) ( node.getXcoord() + x + domain_add ), node.getYcoord() - 3, g, this, to_pdf );
                 }
                 else {
-                    getOptions().setNodeLabelDirection( NODE_LABEL_DIRECTION.HORIZONTAL );
+                    rv.render( ( float ) ( getPhylogeny().getFirstExternalNode().getXcoord() + _length_of_longest_text
+                            + domain_add ), node.getYcoord() - 3, g, this, to_pdf );
                 }
-                if ( getMainPanel().getMainFrame() == null ) {
-                    // Must be "E" applet version.
-                    final ArchaeopteryxE ae = ( ArchaeopteryxE ) ( ( MainPanelApplets ) getMainPanel() ).getApplet();
-                    if ( ae.getlabelDirectionCbmi() != null ) {
-                        ae.getlabelDirectionCbmi().setSelected( selected );
-                    }
+            }
+        }
+        //if ( getControlPanel().isShowMolSequences() && ( node.getNodeData().isHasSequence() )
+        //        && ( node.getNodeData().getSequence().isMolecularSequenceAligned() )
+        //        && ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getMolecularSequence() ) ) ) {
+        //   paintMolecularSequences( g, node, to_pdf );
+        //}
+    }
+
+    final private void paintOvRectangle( final Graphics2D g ) {
+        final float w_ratio = ( ( float ) getWidth() ) / getVisibleRect().width;
+        final float h_ratio = ( ( float ) getHeight() ) / getVisibleRect().height;
+        final float x_ratio = ( ( float ) getWidth() ) / getVisibleRect().x;
+        final float y_ratio = ( ( float ) getHeight() ) / getVisibleRect().y;
+        final float width = getOvMaxWidth() / w_ratio;
+        final float height = getOvMaxHeight() / h_ratio;
+        final float x = getVisibleRect().x + getOvXPosition() + ( getOvMaxWidth() / x_ratio );
+        final float y = getVisibleRect().y + getOvYPosition() + ( getOvMaxHeight() / y_ratio );
+        g.setColor( getTreeColorSet().getFoundColor0() );
+        getOvRectangle().setRect( x, y, width, height );
+        final Stroke s = g.getStroke();
+        g.setStroke( STROKE_1 );
+        if ( ( width < 6 ) && ( height < 6 ) ) {
+            drawRectFilled( x, y, 6, 6, g );
+            getOvVirtualRectangle().setRect( x, y, 6, 6 );
+        }
+        else if ( width < 6 ) {
+            drawRectFilled( x, y, 6, height, g );
+            getOvVirtualRectangle().setRect( x, y, 6, height );
+        }
+        else if ( height < 6 ) {
+            drawRectFilled( x, y, width, 6, g );
+            getOvVirtualRectangle().setRect( x, y, width, 6 );
+        }
+        else {
+            drawRect( x, y, width, height, g );
+            if ( isInOvRect() ) {
+                drawRect( x + 1, y + 1, width - 2, height - 2, g );
+            }
+            getOvVirtualRectangle().setRect( x, y, width, height );
+        }
+        g.setStroke( s );
+    }
+
+    final private void paintPhylogenyLite( final Graphics2D g ) {
+        _phylogeny.getRoot().setXSecondary( ( float ) ( getVisibleRect().x + getOvXPosition()
+                + ( MOVE / ( getVisibleRect().width / getOvRectangle().getWidth() ) ) ) );
+        _phylogeny.getRoot().setYSecondary( ( getVisibleRect().y + getOvYStart() ) );
+        final Stroke s = g.getStroke();
+        g.setStroke( STROKE_05 );
+        for( final PhylogenyNode element : _nodes_in_preorder ) {
+            paintNodeLite( g, element );
+        }
+        g.setStroke( s );
+        paintOvRectangle( g );
+    }
+
+    /**
+     * Paint the root branch. (Differs from others because it will always be a
+     * single horizontal line).
+     * @param to_graphics_file
+     *
+     * @return new x1 value
+     */
+    final private void paintRootBranch( final Graphics2D g,
+                                        final float x1,
+                                        final float y1,
+                                        final PhylogenyNode root,
+                                        final boolean to_pdf,
+                                        final boolean to_graphics_file ) {
+        assignGraphicsForBranchWithColorForParentBranch( root, false, g, to_pdf, to_graphics_file );
+        float d = getXdistance();
+        if ( getControlPanel().isDrawPhylogram() && ( root.getDistanceToParent() > 0.0 ) ) {
+            d = ( float ) ( getXcorrectionFactor() * root.getDistanceToParent() );
+        }
+        if ( d < MIN_ROOT_LENGTH ) {
+            d = MIN_ROOT_LENGTH;
+        }
+        if ( !getControlPanel().isWidthBranches() || ( PhylogenyMethods.getBranchWidthValue( root ) == 1 ) ) {
+            drawLine( x1 - d, root.getYcoord(), x1, root.getYcoord(), g );
+        }
+        else {
+            final double w = PhylogenyMethods.getBranchWidthValue( root );
+            drawRectFilled( x1 - d, root.getYcoord() - ( w / 2 ), d, w, g );
+        }
+        paintNodeBox( x1, root.getYcoord(), root, g, to_pdf, to_graphics_file );
+    }
+
+    final private void paintScale( final Graphics2D g,
+                                   int x1,
+                                   int y1,
+                                   final boolean to_pdf,
+                                   final boolean to_graphics_file ) {
+        x1 += MOVE;
+        final double x2 = x1 + ( getScaleDistance() * getXcorrectionFactor() );
+        y1 -= 12;
+        final int y2 = y1 - 8;
+        final int y3 = y1 - 4;
+        g.setFont( getTreeFontSet().getSmallFont() );
+        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+            g.setColor( Color.BLACK );
+        }
+        else {
+            g.setColor( getTreeColorSet().getBranchLengthColor() );
+        }
+        final Stroke s = g.getStroke();
+        g.setStroke( STROKE_1 );
+        drawLine( x1, y1, x1, y2, g );
+        drawLine( x2, y1, x2, y2, g );
+        drawLine( x1, y3, x2, y3, g );
+        if ( getScaleLabel() != null ) {
+            g.drawString( getScaleLabel(), ( x1 + 2 ), y3 - 2 );
+        }
+        g.setStroke( s );
+    }
+
+    final private int paintTaxonomy( final Graphics2D g,
+                                     final PhylogenyNode node,
+                                     final boolean is_in_found_nodes,
+                                     final boolean to_pdf,
+                                     final boolean to_graphics_file,
+                                     final float x_shift ) {
+        final Taxonomy taxonomy = node.getNodeData().getTaxonomy();
+        final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
+        setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getTaxonomyColor() );
+        float start_x = node.getXcoord() + 3 + ( getOptions().getDefaultNodeShapeSize() / 2 ) + x_shift;
+        if ( getControlPanel().getTreeDisplayType() == Options.PHYLOGENY_DISPLAY_TYPE.ALIGNED_PHYLOGRAM
+                && node.isExternal() ) {
+            start_x = ( float ) ( ( getMaxDistanceToRoot() * getXcorrectionFactor() )
+                    + ( getOptions().getDefaultNodeShapeSize() / 2 ) + x_shift + ( 2 * TreePanel.MOVE ) + getXdistance()
+                    + 3 );
+        }
+        float start_y;
+        if ( !using_visual_font ) {
+            start_y = node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent()
+                    / ( node.getNumberOfDescendants() == 1 ? 1 : 3.0f ) );
+        }
+        else {
+            start_y = node.getYcoord()
+                    + ( getFontMetrics( g.getFont() ).getAscent() / ( node.getNumberOfDescendants() == 1 ? 1 : 3.0f ) );
+        }
+        _sb.setLength( 0 );
+        nodeTaxonomyDataAsSB( taxonomy, _sb );
+        final String label = _sb.toString();
+        /* GUILHEM_BEG */
+        if ( _control_panel.isShowSequenceRelations() && ( label.length() > 0 )
+                && ( node.getNodeData().isHasSequence() )
+                && node.getNodeData().getSequence().equals( _query_sequence ) ) {
+            // invert font color and background color to show that this is the query sequence
+            final Rectangle2D nodeTextBounds = new TextLayout( label,
+                                                               g.getFont(),
+                                                               new FontRenderContext( null, false, false ) )
+                                                                       .getBounds();
+            g.fillRect( ( int ) start_x - 1, ( int ) start_y - 8, ( int ) nodeTextBounds.getWidth() + 4, 11 );
+            g.setColor( getTreeColorSet().getBackgroundColor() );
+        }
+        /* GUILHEM_END */
+        TreePanel.drawString( label, start_x, start_y, g );
+        if ( !using_visual_font && !is_in_found_nodes ) {
+            return getFontMetricsForLargeDefaultFont().stringWidth( label );
+        }
+        return getFontMetrics( g.getFont() ).stringWidth( label );
+    }
+
+    final private void paintUnrooted( final PhylogenyNode n,
+                                      final double low_angle,
+                                      final double high_angle,
+                                      final boolean radial_labels,
+                                      final Graphics2D g,
+                                      final boolean to_pdf,
+                                      final boolean to_graphics_file ) {
+        if ( n.isRoot() ) {
+            n.setXcoord( getWidth() / 2 );
+            n.setYcoord( getHeight() / 2 );
+        }
+        if ( n.isExternal() ) {
+            paintNodeDataUnrootedCirc( g,
+                                       n,
+                                       to_pdf,
+                                       to_graphics_file,
+                                       radial_labels,
+                                       ( high_angle + low_angle ) / 2,
+                                       isInFoundNodes( n ) || isInCurrentExternalNodes( n ) );
+            return;
+        }
+        final float num_enclosed = n.getNumberOfExternalNodes();
+        final float x = n.getXcoord();
+        final float y = n.getYcoord();
+        double current_angle = low_angle;
+        // final boolean n_below = n.getYcoord() < getVisibleRect().getMinY() - 20;
+        // final boolean n_above = n.getYcoord() > getVisibleRect().getMaxY() + 20;
+        // final boolean n_left = n.getXcoord() < getVisibleRect().getMinX() - 20;
+        // final boolean n_right = n.getXcoord() > getVisibleRect().getMaxX() + 20;
+        for( int i = 0; i < n.getNumberOfDescendants(); ++i ) {
+            final PhylogenyNode desc = n.getChildNode( i );
+            ///  if ( ( ( n_below ) & ( desc.getYcoord() < getVisibleRect().getMinY() - 20 ) )
+            //          || ( ( n_above ) & ( desc.getYcoord() > getVisibleRect().getMaxY() + 20 ) )
+            //         || ( ( n_left ) & ( desc.getXcoord() < getVisibleRect().getMinX() - 20 ) )
+            //          || ( ( n_right ) & ( desc.getXcoord() > getVisibleRect().getMaxX() + 20 ) ) ) {
+            //     continue;
+            // }
+            //if ( ( desc.getYcoord() > n.getYcoord() ) && ( n.getYcoord() > getVisibleRect().getMaxY() - 20 ) ) {
+            //    continue;
+            //}
+            //if ( ( desc.getYcoord() < n.getYcoord() ) && ( n.getYcoord() < getVisibleRect().getMinY() + 20 ) ) {
+            //    continue;
+            // }
+            final int desc_num_enclosed = desc.getNumberOfExternalNodes();
+            final double arc_size = ( desc_num_enclosed / num_enclosed ) * ( high_angle - low_angle );
+            float length;
+            if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
+                if ( desc.getDistanceToParent() < 0 ) {
+                    length = 0;
                 }
                 else {
-                    getMainPanel().getMainFrame().getlabelDirectionCbmi().setSelected( selected );
+                    length = ( float ) ( desc.getDistanceToParent() * getUrtFactor() );
                 }
-                repaint();
-            }
-            else if ( e.getKeyCode() == KeyEvent.VK_X ) {
-                switchDisplaygetPhylogenyGraphicsType();
-                repaint();
-            }
-            else if ( e.getKeyCode() == KeyEvent.VK_C ) {
-                cycleColors();
-                repaint();
-            }
-            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_O ) ) {
-                MainFrame.cycleOverview( getOptions(), this );
-                repaint();
-            }
-            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_I ) ) {
-                increaseOvSize();
             }
-            else if ( getOptions().isShowOverview() && isOvOn() && ( e.getKeyCode() == KeyEvent.VK_U ) ) {
-                decreaseOvSize();
+            else {
+                length = getUrtFactor();
             }
-            e.consume();
+            final double mid_angle = current_angle + ( arc_size / 2 );
+            final float new_x = ( float ) ( x + ( Math.cos( mid_angle ) * length ) );
+            final float new_y = ( float ) ( y + ( Math.sin( mid_angle ) * length ) );
+            desc.setXcoord( new_x );
+            desc.setYcoord( new_y );
+            paintUnrooted( desc, current_angle, current_angle + arc_size, radial_labels, g, to_pdf, to_graphics_file );
+            current_angle += arc_size;
+            assignGraphicsForBranchWithColorForParentBranch( desc, false, g, to_pdf, to_graphics_file );
+            drawLine( x, y, new_x, new_y, g );
+            paintNodeBox( new_x, new_y, desc, g, to_pdf, to_graphics_file );
+        }
+        if ( n.isRoot() ) {
+            paintNodeBox( n.getXcoord(), n.getYcoord(), n, g, to_pdf, to_graphics_file );
         }
     }
 
-    final private void makePopupMenus( final PhylogenyNode node ) {
-        _node_popup_menu = new JPopupMenu();
-        final List<String> clickto_names = _main_panel.getControlPanel().getSingleClickToNames();
-        _node_popup_menu_items = new JMenuItem[ clickto_names.size() ];
-        for( int i = 0; i < clickto_names.size(); i++ ) {
-            final String title = clickto_names.get( i );
-            _node_popup_menu_items[ i ] = new JMenuItem( title );
-            if ( title.equals( Configuration.clickto_options[ Configuration.open_seq_web ][ 0 ] ) ) {
-                final String id = isCanOpenSeqWeb( node );
-                if ( !ForesterUtil.isEmpty( id ) ) {
-                    _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " [" + id + "]" );
-                    _node_popup_menu_items[ i ].setEnabled( true );
-                }
-                else {
-                    _node_popup_menu_items[ i ].setEnabled( false );
-                }
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.open_pdb_web ][ 0 ] ) ) {
-                final List<Accession> accs = getPdbAccs( node );
-                _node_popup_menu_items[ i ] = new JMenuItem( title );
-                if ( !ForesterUtil.isEmpty( accs ) ) {
-                    if ( accs.size() == 1 ) {
-                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
-                                + TreePanelUtil.pdbAccToString( accs, 0 ) + "]" );
-                        _node_popup_menu_items[ i ].setEnabled( true );
-                    }
-                    else if ( accs.size() == 2 ) {
-                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
-                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
-                                + TreePanelUtil.pdbAccToString( accs, 1 ) + "]" );
-                        _node_popup_menu_items[ i ].setEnabled( true );
-                    }
-                    else if ( accs.size() == 3 ) {
-                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
-                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
-                                + TreePanelUtil.pdbAccToString( accs, 1 ) + ", "
-                                + TreePanelUtil.pdbAccToString( accs, 2 ) + "]" );
-                        _node_popup_menu_items[ i ].setEnabled( true );
-                    }
-                    else {
-                        _node_popup_menu_items[ i ].setText( _node_popup_menu_items[ i ].getText() + " ["
-                                + TreePanelUtil.pdbAccToString( accs, 0 ) + ", "
-                                + TreePanelUtil.pdbAccToString( accs, 1 ) + ", "
-                                + TreePanelUtil.pdbAccToString( accs, 2 ) + ", + " + ( accs.size() - 3 ) + " more]" );
-                        _node_popup_menu_items[ i ].setEnabled( true );
-                    }
+    final private void paintUnrootedLite( final PhylogenyNode n,
+                                          final double low_angle,
+                                          final double high_angle,
+                                          final Graphics2D g,
+                                          final float urt_ov_factor ) {
+        if ( n.isRoot() ) {
+            final int x_pos = ( int ) ( getVisibleRect().x + getOvXPosition() + ( getOvMaxWidth() / 2 ) );
+            final int y_pos = ( int ) ( getVisibleRect().y + getOvYPosition() + ( getOvMaxHeight() / 2 ) );
+            n.setXSecondary( x_pos );
+            n.setYSecondary( y_pos );
+        }
+        if ( n.isExternal() ) {
+            return;
+        }
+        final float num_enclosed = n.getNumberOfExternalNodes();
+        final float x = n.getXSecondary();
+        final float y = n.getYSecondary();
+        double current_angle = low_angle;
+        for( int i = 0; i < n.getNumberOfDescendants(); ++i ) {
+            final PhylogenyNode desc = n.getChildNode( i );
+            final int desc_num_enclosed = desc.getNumberOfExternalNodes();
+            final double arc_size = ( desc_num_enclosed / num_enclosed ) * ( high_angle - low_angle );
+            float length;
+            if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
+                if ( desc.getDistanceToParent() < 0 ) {
+                    length = 0;
                 }
                 else {
-                    _node_popup_menu_items[ i ].setEnabled( false );
-                }
-                //
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.open_tax_web ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( isCanOpenTaxWeb( node ) );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.blast ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( isCanBlast( node ) );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.delete_subtree_or_node ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
-                }
-                _node_popup_menu_items[ i ].setEnabled( isCanDelete() );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.cut_subtree ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
-                }
-                _node_popup_menu_items[ i ].setEnabled( isCanCut( node ) );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.copy_subtree ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
-                }
-                _node_popup_menu_items[ i ].setEnabled( isCanCopy() );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.paste_subtree ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
-                }
-                _node_popup_menu_items[ i ].setEnabled( isCanPaste() );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.edit_node_data ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
-                }
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.add_new_node ][ 0 ] ) ) {
-                if ( !getOptions().isEditable() ) {
-                    continue;
+                    length = ( float ) ( desc.getDistanceToParent() * urt_ov_factor );
                 }
             }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.reroot ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( isCanReroot() );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.collapse_uncollapse ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( ( isCanCollapse() && !node.isExternal() ) );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.color_subtree ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( isCanColorSubtree() );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.subtree ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( isCanSubtree( node ) );
-            }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.swap ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( node.getNumberOfDescendants() == 2 );
+            else {
+                length = urt_ov_factor;
             }
-            else if ( title.equals( Configuration.clickto_options[ Configuration.sort_descendents ][ 0 ] ) ) {
-                _node_popup_menu_items[ i ].setEnabled( node.getNumberOfDescendants() > 1 );
+            final double mid_angle = current_angle + ( arc_size / 2 );
+            final float new_x = ( float ) ( x + ( Math.cos( mid_angle ) * length ) );
+            final float new_y = ( float ) ( y + ( Math.sin( mid_angle ) * length ) );
+            desc.setXSecondary( new_x );
+            desc.setYSecondary( new_y );
+            if ( isInFoundNodes( desc ) || isInCurrentExternalNodes( desc ) ) {
+                g.setColor( getColorForFoundNode( desc ) );
+                drawRectFilled( desc.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                                desc.getYSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                                OVERVIEW_FOUND_NODE_BOX_SIZE,
+                                OVERVIEW_FOUND_NODE_BOX_SIZE,
+                                g );
+                g.setColor( getTreeColorSet().getOvColor() );
             }
-            _node_popup_menu_items[ i ].addActionListener( this );
-            _node_popup_menu.add( _node_popup_menu_items[ i ] );
+            paintUnrootedLite( desc, current_angle, current_angle + arc_size, g, urt_ov_factor );
+            current_angle += arc_size;
+            drawLine( x, y, new_x, new_y, g );
         }
     }
 
-    private final void nodeDataAsSB( final PhylogenyNode node, final StringBuilder sb ) {
-        if ( getControlPanel().isShowNodeNames() && ( node.getName().length() > 0 ) ) {
-            if ( sb.length() > 0 ) {
-                sb.append( " " );
+    final private void pasteSubtree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            errorMessageNoCutCopyPasteInUnrootedDisplay();
+            return;
+        }
+        if ( ( getCutOrCopiedTree() == null ) || getCutOrCopiedTree().isEmpty() ) {
+            JOptionPane.showMessageDialog( this,
+                                           "No tree in buffer (need to copy or cut a subtree first)",
+                                           "Attempt to paste with empty buffer",
+                                           JOptionPane.ERROR_MESSAGE );
+            return;
+        }
+        final String label = createASimpleTextRepresentationOfANode( getCutOrCopiedTree().getRoot() );
+        final Object[] options = { "As sibling", "As descendant", "Cancel" };
+        final int r = JOptionPane.showOptionDialog( this,
+                                                    "How to paste subtree" + label + "?",
+                                                    "Paste Subtree",
+                                                    JOptionPane.CLOSED_OPTION,
+                                                    JOptionPane.QUESTION_MESSAGE,
+                                                    null,
+                                                    options,
+                                                    options[ 2 ] );
+        boolean paste_as_sibling = true;
+        if ( r == 1 ) {
+            paste_as_sibling = false;
+        }
+        else if ( r != 0 ) {
+            return;
+        }
+        final Phylogeny buffer_phy = getCutOrCopiedTree().copy();
+        buffer_phy.setAllNodesToNotCollapse();
+        PhylogenyMethods.preOrderReId( buffer_phy );
+        buffer_phy.setRooted( true );
+        boolean need_to_show_whole = false;
+        if ( paste_as_sibling ) {
+            if ( node.isRoot() ) {
+                JOptionPane.showMessageDialog( this,
+                                               "Cannot paste sibling to root",
+                                               "Attempt to paste sibling to root",
+                                               JOptionPane.ERROR_MESSAGE );
+                return;
             }
-            sb.append( node.getName() );
+            buffer_phy.addAsSibling( node );
         }
-        if ( node.getNodeData().isHasSequence() ) {
-            if ( getControlPanel().isShowSeqSymbols() && ( node.getNodeData().getSequence().getSymbol().length() > 0 ) ) {
-                if ( sb.length() > 0 ) {
-                    sb.append( " " );
-                }
-                sb.append( node.getNodeData().getSequence().getSymbol() );
-            }
-            if ( getControlPanel().isShowGeneNames() && ( node.getNodeData().getSequence().getGeneName().length() > 0 ) ) {
-                if ( sb.length() > 0 ) {
-                    sb.append( " " );
-                }
-                sb.append( node.getNodeData().getSequence().getGeneName() );
-            }
-            if ( getControlPanel().isShowSeqNames() && ( node.getNodeData().getSequence().getName().length() > 0 ) ) {
-                if ( sb.length() > 0 ) {
-                    sb.append( " " );
-                }
-                sb.append( node.getNodeData().getSequence().getName() );
+        else {
+            if ( ( node.getNumberOfExternalNodes() == 1 ) && node.isRoot() ) {
+                need_to_show_whole = true;
+                _phylogeny = buffer_phy;
             }
-            if ( getControlPanel().isShowSequenceAcc() && ( node.getNodeData().getSequence().getAccession() != null ) ) {
-                if ( sb.length() > 0 ) {
-                    sb.append( " " );
-                }
-                if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getAccession().getSource() ) ) {
-                    sb.append( node.getNodeData().getSequence().getAccession().getSource() );
-                    sb.append( ":" );
-                }
-                sb.append( node.getNodeData().getSequence().getAccession().getValue() );
+            else {
+                buffer_phy.addAsChild( node );
             }
         }
-        if ( getControlPanel().isShowProperties() && node.getNodeData().isHasProperties() ) {
-            if ( sb.length() > 0 ) {
-                sb.append( " " );
-            }
-            sb.append( propertiesToString( node ) );
+        if ( getCopiedAndPastedNodes() == null ) {
+            setCopiedAndPastedNodes( new HashSet<Long>() );
+        }
+        final List<PhylogenyNode> nodes = PhylogenyMethods.obtainAllNodesAsList( buffer_phy );
+        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
+        for( final PhylogenyNode n : nodes ) {
+            node_ids.add( n.getId() );
+        }
+        node_ids.add( node.getId() );
+        getCopiedAndPastedNodes().addAll( node_ids );
+        setNodeInPreorderToNull();
+        _phylogeny.externalNodesHaveChanged();
+        _phylogeny.clearHashIdToNodeMap();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        setEdited( true );
+        if ( need_to_show_whole ) {
+            getControlPanel().showWhole();
         }
+        repaint();
     }
 
-    private final void nodeTaxonomyDataAsSB( final Taxonomy taxonomy, final StringBuilder sb ) {
-        if ( _control_panel.isShowTaxonomyCode() && !ForesterUtil.isEmpty( taxonomy.getTaxonomyCode() ) ) {
-            sb.append( taxonomy.getTaxonomyCode() );
-            sb.append( " " );
+    private final StringBuffer propertiesToString( final PhylogenyNode node ) {
+        return node.getNodeData().getProperties().asText();
+    }
+
+    private void setColor( final Graphics2D g,
+                           final PhylogenyNode node,
+                           final boolean to_graphics_file,
+                           final boolean to_pdf,
+                           final boolean is_in_found_nodes,
+                           final Color default_color ) {
+        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
+            g.setColor( Color.BLACK );
         }
-        if ( _control_panel.isShowTaxonomyScientificNames() && _control_panel.isShowTaxonomyCommonNames() ) {
-            if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() )
-                    && !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                if ( getOptions().isAbbreviateScientificTaxonNames()
-                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
-                    abbreviateScientificName( taxonomy.getScientificName(), sb );
-                }
-                else {
-                    sb.append( taxonomy.getScientificName() );
-                }
-                sb.append( " (" );
-                sb.append( taxonomy.getCommonName() );
-                sb.append( ") " );
-            }
-            else if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
-                if ( getOptions().isAbbreviateScientificTaxonNames()
-                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
-                    abbreviateScientificName( taxonomy.getScientificName(), sb );
-                }
-                else {
-                    sb.append( taxonomy.getScientificName() );
-                }
-                sb.append( " " );
-            }
-            else if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                sb.append( taxonomy.getCommonName() );
-                sb.append( " " );
-            }
+        else if ( is_in_found_nodes ) {
+            g.setColor( getColorForFoundNode( node ) );
         }
-        else if ( _control_panel.isShowTaxonomyScientificNames() ) {
-            if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
-                if ( getOptions().isAbbreviateScientificTaxonNames()
-                        && ( taxonomy.getScientificName().indexOf( ' ' ) > 0 ) ) {
-                    abbreviateScientificName( taxonomy.getScientificName(), sb );
-                }
-                else {
-                    sb.append( taxonomy.getScientificName() );
-                }
-                sb.append( " " );
-            }
+        else if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null )
+                && ( node.getNodeData().getNodeVisualData().getFontColor() != null ) ) {
+            g.setColor( node.getNodeData().getNodeVisualData().getFontColor() );
         }
-        else if ( _control_panel.isShowTaxonomyCommonNames() ) {
-            if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                sb.append( taxonomy.getCommonName() );
-                sb.append( " " );
-            }
+        else if ( getControlPanel().isColorAccordingToSequence() ) {
+            g.setColor( getSequenceBasedColor( node ) );
         }
-    }
-
-    private final String obtainTitleForExtDescNodeData() {
-        switch ( getOptions().getExtDescNodeDataToReturn() ) {
-            case NODE_NAME:
-                return "Node Names";
-            case GENE_NAME:
-                return "Gene Names";
-            case SEQUENCE_NAME:
-                return "Sequence Names";
-            case SEQUENCE_SYMBOL:
-                return "Sequence Symbols";
-            case SEQUENCE_MOL_SEQ:
-                return "Molecular Sequences";
-            case SEQUENCE_MOL_SEQ_FASTA:
-                return "Molecular Sequences (Fasta)";
-            case SEQUENCE_ACC:
-                return "Sequence Accessors";
-            case TAXONOMY_SCIENTIFIC_NAME:
-                return "Scientific Names";
-            case TAXONOMY_CODE:
-                return "Taxonomy Codes";
-            case TAXONOMY_COMM0N_NAME:
-                return "Taxonomy Common Names";
-            case UNKNOWN:
-                return "User Selected Data";
-            default:
-                throw new IllegalArgumentException( "unknown data element: "
-                        + getOptions().getExtDescNodeDataToReturn() );
+        else if ( getControlPanel().isColorAccordingToTaxonomy() ) {
+            g.setColor( getTaxonomyBasedColor( node ) );
         }
-    }
-
-    final private void openPdbWeb( final PhylogenyNode node ) {
-        final List<Accession> pdb_ids = getPdbAccs( node );
-        if ( ForesterUtil.isEmpty( pdb_ids ) ) {
-            cannotOpenBrowserWarningMessage( "PDB" );
-            return;
+        else if ( getControlPanel().isColorAccordingToAnnotation()
+                && ( node.getNodeData().isHasSequence() && ( node.getNodeData().getSequence().getAnnotations() != null )
+                        && ( !node.getNodeData().getSequence().getAnnotations().isEmpty() ) ) ) {
+            g.setColor( calculateColorForAnnotation( node.getNodeData().getSequence().getAnnotations() ) );
         }
-        final List<String> uri_strs = TreePanelUtil.createUrisForPdbWeb( node, pdb_ids, getConfiguration(), this );
-        if ( !ForesterUtil.isEmpty( uri_strs ) ) {
-            for( final String uri_str : uri_strs ) {
-                try {
-                    AptxUtil.launchWebBrowser( new URI( uri_str ),
-                                               isApplet(),
-                                               isApplet() ? obtainApplet() : null,
-                                               "_aptx_seq" );
-                }
-                catch ( final IOException e ) {
-                    AptxUtil.showErrorMessage( this, e.toString() );
-                    e.printStackTrace();
-                }
-                catch ( final URISyntaxException e ) {
-                    AptxUtil.showErrorMessage( this, e.toString() );
-                    e.printStackTrace();
-                }
-            }
+        else if ( getOptions().isColorLabelsSameAsParentBranch() && getControlPanel().isUseVisualStyles()
+                && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
+            g.setColor( PhylogenyMethods.getBranchColorValue( node ) );
+        }
+        else if ( to_pdf ) {
+            g.setColor( Color.BLACK );
         }
         else {
-            cannotOpenBrowserWarningMessage( "PDB" );
+            g.setColor( default_color );
         }
     }
 
-    final private void openSeqWeb( final PhylogenyNode node ) {
-        if ( ForesterUtil.isEmpty( isCanOpenSeqWeb( node ) ) ) {
-            cannotOpenBrowserWarningMessage( "sequence" );
-            return;
-        }
-        final String uri_str = TreePanelUtil.createUriForSeqWeb( node, getConfiguration(), this );
-        if ( !ForesterUtil.isEmpty( uri_str ) ) {
-            try {
-                AptxUtil.launchWebBrowser( new URI( uri_str ),
-                                           isApplet(),
-                                           isApplet() ? obtainApplet() : null,
-                                           "_aptx_seq" );
-            }
-            catch ( final IOException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
-            catch ( final URISyntaxException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+    final private void setCopiedAndPastedNodes( final Set<Long> nodeIds ) {
+        getMainPanel().setCopiedAndPastedNodes( nodeIds );
+    }
+
+    final private void setCutOrCopiedTree( final Phylogeny cut_or_copied_tree ) {
+        getMainPanel().setCutOrCopiedTree( cut_or_copied_tree );
+    }
+
+    private boolean setFont( final Graphics2D g, final PhylogenyNode node, final boolean is_in_found_nodes ) {
+        Font visual_font = null;
+        if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null ) ) {
+            visual_font = node.getNodeData().getNodeVisualData().getFont();
+            g.setFont( visual_font != null ? visual_font : getTreeFontSet().getLargeFont() );
         }
         else {
-            cannotOpenBrowserWarningMessage( "sequence" );
+            g.setFont( getTreeFontSet().getLargeFont() );
+        }
+        if ( is_in_found_nodes ) {
+            g.setFont( g.getFont().deriveFont( Font.BOLD ) );
         }
+        return visual_font != null;
     }
 
-    final private void openTaxWeb( final PhylogenyNode node ) {
-        if ( !isCanOpenTaxWeb( node ) ) {
-            cannotOpenBrowserWarningMessage( "taxonomic" );
-            return;
-        }
-        String uri_str = null;
-        final Taxonomy tax = node.getNodeData().getTaxonomy();
-        if ( ( tax.getIdentifier() != null ) && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() )
-                && tax.getIdentifier().getValue().startsWith( "http://" ) ) {
-            try {
-                uri_str = new URI( tax.getIdentifier().getValue() ).toString();
-            }
-            catch ( final URISyntaxException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                uri_str = null;
-                e.printStackTrace();
-            }
+    final private void setInOv( final boolean in_ov ) {
+        _in_ov = in_ov;
+    }
+
+    final private void setOvMaxHeight( final float ov_max_height ) {
+        _ov_max_height = ov_max_height;
+    }
+
+    final private void setOvMaxWidth( final float ov_max_width ) {
+        _ov_max_width = ov_max_width;
+    }
+
+    final private void setOvXcorrectionFactor( final float f ) {
+        _ov_x_correction_factor = f;
+    }
+
+    final private void setOvXDistance( final float ov_x_distance ) {
+        _ov_x_distance = ov_x_distance;
+    }
+
+    final private void setOvXPosition( final int ov_x_position ) {
+        _ov_x_position = ov_x_position;
+    }
+
+    final private void setOvYDistance( final float ov_y_distance ) {
+        _ov_y_distance = ov_y_distance;
+    }
+
+    final private void setOvYPosition( final int ov_y_position ) {
+        _ov_y_position = ov_y_position;
+    }
+
+    final private void setOvYStart( final int ov_y_start ) {
+        _ov_y_start = ov_y_start;
+    }
+
+    final private void setScaleDistance( final double scale_distance ) {
+        _scale_distance = scale_distance;
+    }
+
+    final private void setScaleLabel( final String scale_label ) {
+        _scale_label = scale_label;
+    }
+
+    private final void setupStroke( final Graphics2D g ) {
+        if ( getYdistance() < 0.0001 ) {
+            g.setStroke( STROKE_0025 );
         }
-        else if ( ( tax.getIdentifier() != null )
-                && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() )
-                && !ForesterUtil.isEmpty( tax.getIdentifier().getProvider() )
-                && ( tax.getIdentifier().getProvider().equalsIgnoreCase( "ncbi" ) || tax.getIdentifier().getProvider()
-                        .equalsIgnoreCase( "uniprot" ) ) ) {
-            try {
-                uri_str = "http://www.uniprot.org/taxonomy/"
-                        + URLEncoder.encode( tax.getIdentifier().getValue(), ForesterConstants.UTF8 );
-            }
-            catch ( final UnsupportedEncodingException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+        if ( getYdistance() < 0.001 ) {
+            g.setStroke( STROKE_005 );
         }
-        else if ( !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
-            try {
-                uri_str = "http://www.uniprot.org/taxonomy/?query="
-                        + URLEncoder.encode( tax.getScientificName(), ForesterConstants.UTF8 );
-            }
-            catch ( final UnsupportedEncodingException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+        else if ( getYdistance() < 0.01 ) {
+            g.setStroke( STROKE_01 );
         }
-        else if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
-            try {
-                uri_str = "http://www.uniprot.org/taxonomy/?query="
-                        + URLEncoder.encode( tax.getTaxonomyCode(), ForesterConstants.UTF8 );
-            }
-            catch ( final UnsupportedEncodingException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+        else if ( getYdistance() < 0.5 ) {
+            g.setStroke( STROKE_025 );
         }
-        else if ( !ForesterUtil.isEmpty( tax.getCommonName() ) ) {
-            try {
-                uri_str = "http://www.uniprot.org/taxonomy/?query="
-                        + URLEncoder.encode( tax.getCommonName(), ForesterConstants.UTF8 );
-            }
-            catch ( final UnsupportedEncodingException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+        else if ( getYdistance() < 1 ) {
+            g.setStroke( STROKE_05 );
         }
-        if ( !ForesterUtil.isEmpty( uri_str ) ) {
-            try {
-                AptxUtil.launchWebBrowser( new URI( uri_str ),
-                                           isApplet(),
-                                           isApplet() ? obtainApplet() : null,
-                                           "_aptx_tax" );
-            }
-            catch ( final IOException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
-            catch ( final URISyntaxException e ) {
-                AptxUtil.showErrorMessage( this, e.toString() );
-                e.printStackTrace();
-            }
+        else if ( getYdistance() < 2 ) {
+            g.setStroke( STROKE_075 );
+        }
+        else if ( ( getYdistance() < 20 ) || !getConfiguration().isAllowThickStrokes() ) {
+            g.setStroke( STROKE_1 );
         }
         else {
-            cannotOpenBrowserWarningMessage( "taxonomic" );
+            g.setStroke( STROKE_2 );
         }
     }
 
-    final private void paintBranchLength( final Graphics2D g,
-                                          final PhylogenyNode node,
-                                          final boolean to_pdf,
-                                          final boolean to_graphics_file ) {
-        g.setFont( getTreeFontSet().getSmallFont() );
-        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-            g.setColor( Color.BLACK );
+    final private void setUpUrtFactor() {
+        final int d = getVisibleRect().width < getVisibleRect().height ? getVisibleRect().width
+                : getVisibleRect().height;
+        if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
+            setUrtFactor( ( float ) ( d / ( 2 * getMaxDistanceToRoot() ) ) );
         }
         else {
-            g.setColor( getTreeColorSet().getBranchLengthColor() );
-        }
-        if ( !node.isRoot() ) {
-            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
-                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ), node.getParent()
-                        .getXcoord() + EURO_D, node.getYcoord() - getTreeFontSet().getSmallMaxDescent(), g );
-            }
-            else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
-                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ), node.getParent()
-                        .getXcoord() + ROUNDED_D, node.getYcoord() - getTreeFontSet().getSmallMaxDescent(), g );
+            final int max_depth = _circ_max_depth;
+            if ( max_depth > 0 ) {
+                setUrtFactor( d / ( 2 * max_depth ) );
             }
             else {
-                TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ), node.getParent()
-                        .getXcoord() + 3, node.getYcoord() - getTreeFontSet().getSmallMaxDescent(), g );
+                setUrtFactor( d / 2 );
             }
         }
-        else {
-            TreePanel.drawString( FORMATTER_BRANCH_LENGTH.format( node.getDistanceToParent() ), 3, node.getYcoord()
-                    - getTreeFontSet().getSmallMaxDescent(), g );
-        }
+        setUrtFactorOv( getUrtFactor() );
     }
 
-    final private void paintBranchLite( final Graphics2D g,
-                                        final float x1,
-                                        final float x2,
-                                        final float y1,
-                                        final float y2,
-                                        final PhylogenyNode node ) {
-        g.setColor( getTreeColorSet().getOvColor() );
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR ) {
-            drawLine( x1, y1, x2, y2, g );
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CONVEX ) {
-            _quad_curve.setCurve( x1, y1, x1, y2, x2, y2 );
-            ( g ).draw( _quad_curve );
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CURVED ) {
-            final float dx = x2 - x1;
-            final float dy = y2 - y1;
-            _cubic_curve.setCurve( x1, y1, x1 + ( dx * 0.4f ), y1 + ( dy * 0.2f ), x1 + ( dx * 0.6f ), y1
-                    + ( dy * 0.8f ), x2, y2 );
-            ( g ).draw( _cubic_curve );
-        }
-        else {
-            final float x2a = x2;
-            final float x1a = x1;
-            // draw the vertical line
-            if ( node.isFirstChildNode() || node.isLastChildNode() ) {
-                drawLine( x1, y1, x1, y2, g );
-            }
-            // draw the horizontal line
-            drawLine( x1a, y2, x2a, y2, g );
-        }
+    final private void setUrtFactor( final float urt_factor ) {
+        _urt_factor = urt_factor;
     }
 
-    /**
-     * Paint a branch which consists of a vertical and a horizontal bar
-     * @param is_ind_found_nodes 
-     */
-    final private void paintBranchRectangular( final Graphics2D g,
-                                               final float x1,
-                                               final float x2,
-                                               final float y1,
-                                               final float y2,
-                                               final PhylogenyNode node,
-                                               final boolean to_pdf,
-                                               final boolean to_graphics_file ) {
-        assignGraphicsForBranchWithColorForParentBranch( node, false, g, to_pdf, to_graphics_file );
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR ) {
-            drawLine( x1, y1, x2, y2, g );
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CONVEX ) {
-            _quad_curve.setCurve( x1, y1, x1, y2, x2, y2 );
-            g.draw( _quad_curve );
-        }
-        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CURVED ) {
-            final float dx = x2 - x1;
-            final float dy = y2 - y1;
-            _cubic_curve.setCurve( x1, y1, x1 + ( dx * 0.4f ), y1 + ( dy * 0.2f ), x1 + ( dx * 0.6f ), y1
-                    + ( dy * 0.8f ), x2, y2 );
-            g.draw( _cubic_curve );
+    final private void setUrtFactorOv( final float urt_factor_ov ) {
+        _urt_factor_ov = urt_factor_ov;
+    }
+
+    private void showExtDescNodeData( final PhylogenyNode node, final char separator ) {
+        final List<String> data = new ArrayList<String>();
+        final List<PhylogenyNode> nodes = node.getAllExternalDescendants();
+        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
+            for( final PhylogenyNode n : getFoundNodesAsListOfPhylogenyNodes() ) {
+                if ( !nodes.contains( n ) ) {
+                    nodes.add( n );
+                }
+            }
         }
-        else {
-            final float x2a = x2;
-            final float x1a = x1;
-            float y2_r = 0;
-            if ( node.isFirstChildNode() || node.isLastChildNode()
-                    || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE )
-                    || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
-                if ( !to_graphics_file
-                        && !to_pdf
-                        && ( ( ( y2 < ( getVisibleRect().getMinY() - 20 ) ) && ( y1 < ( getVisibleRect().getMinY() - 20 ) ) ) || ( ( y2 > ( getVisibleRect()
-                                .getMaxY() + 20 ) ) && ( y1 > ( getVisibleRect().getMaxY() + 20 ) ) ) ) ) {
-                    // Do nothing.
+        for( final PhylogenyNode n : nodes ) {
+            switch ( getOptions().getExtDescNodeDataToReturn() ) {
+                case NODE_NAME:
+                    if ( !ForesterUtil.isEmpty( n.getName() ) ) {
+                        data.add( n.getName() );
+                    }
+                    break;
+                case SEQUENCE_NAME:
+                    if ( n.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getName() ) ) {
+                        data.add( n.getNodeData().getSequence().getName() );
+                    }
+                    break;
+                case GENE_NAME:
+                    if ( n.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getGeneName() ) ) {
+                        data.add( n.getNodeData().getSequence().getGeneName() );
+                    }
+                    break;
+                case SEQUENCE_SYMBOL:
+                    if ( n.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getSymbol() ) ) {
+                        data.add( n.getNodeData().getSequence().getSymbol() );
+                    }
+                    break;
+                case SEQUENCE_MOL_SEQ_FASTA:
+                    final StringBuilder sb = new StringBuilder();
+                    if ( n.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getMolecularSequence() ) ) {
+                        final StringBuilder ann = new StringBuilder();
+                        if ( getControlPanel().isShowNodeNames() && !ForesterUtil.isEmpty( n.getName() ) ) {
+                            ann.append( n.getName() );
+                            ann.append( separator );
+                        }
+                        if ( n.getNodeData().isHasTaxonomy() ) {
+                            if ( getControlPanel().isShowTaxonomyCode()
+                                    && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
+                                ann.append( n.getNodeData().getTaxonomy().getTaxonomyCode() );
+                                ann.append( separator );
+                            }
+                            if ( getControlPanel().isShowTaxonomyScientificNames()
+                                    && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
+                                ann.append( n.getNodeData().getTaxonomy().getScientificName() );
+                                ann.append( separator );
+                            }
+                            if ( getControlPanel().isShowTaxonomyCommonNames()
+                                    && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getCommonName() ) ) {
+                                ann.append( n.getNodeData().getTaxonomy().getCommonName() );
+                                ann.append( separator );
+                            }
+                        }
+                        if ( getControlPanel().isShowSeqSymbols()
+                                && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getSymbol() ) ) {
+                            ann.append( n.getNodeData().getSequence().getSymbol() );
+                            ann.append( separator );
+                        }
+                        if ( getControlPanel().isShowSeqNames()
+                                && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getName() ) ) {
+                            ann.append( n.getNodeData().getSequence().getName() );
+                            ann.append( separator );
+                        }
+                        if ( getControlPanel().isShowGeneNames()
+                                && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getGeneName() ) ) {
+                            ann.append( n.getNodeData().getSequence().getGeneName() );
+                            ann.append( separator );
+                        }
+                        if ( getControlPanel().isShowSequenceAcc()
+                                && n.getNodeData().getSequence().getAccession() != null ) {
+                            ann.append( n.getNodeData().getSequence().getAccession().asText() );
+                            ann.append( separator );
+                        }
+                       
+                        final String ann_str;
+                        if ( ann.length() > 0 && ann.charAt( ann.length() - 1 ) == separator ) {
+                            ann_str = ann.substring( 0, ann.length() - 1 );
+                        }
+                        else {
+                            ann_str = ann.toString();
+                        }
+                        sb.append( SequenceWriter.toFasta( ann_str,
+                                                           n.getNodeData().getSequence().getMolecularSequence(),
+                                                           60 ) );
+                        data.add( sb.toString() );
+                    }
+                    break;
+                case SEQUENCE_ACC:
+                    if ( n.getNodeData().isHasSequence() && ( n.getNodeData().getSequence().getAccession() != null )
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getAccession().toString() ) ) {
+                        data.add( n.getNodeData().getSequence().getAccession().toString() );
+                    }
+                    break;
+                case TAXONOMY_SCIENTIFIC_NAME:
+                    if ( n.getNodeData().isHasTaxonomy()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
+                        data.add( n.getNodeData().getTaxonomy().getScientificName() );
+                    }
+                    break;
+                case TAXONOMY_CODE:
+                    if ( n.getNodeData().isHasTaxonomy()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
+                        data.add( n.getNodeData().getTaxonomy().getTaxonomyCode() );
+                    }
+                    break;
+                case DOMAINS_ALL:
+                case DOMAINS_COLLAPSED_PER_PROTEIN:
+                    if ( n.getNodeData().isHasSequence()
+                            && ( n.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
+                        final DomainArchitecture da = n.getNodeData().getSequence().getDomainArchitecture();
+                        final Set<String> s = new HashSet<String>();
+                        for( int i = 0; i < da.getDomains().size(); ++i ) {
+                            final ProteinDomain d = da.getDomain( i );
+                            if ( d.getConfidence() <= Math.pow( 10, getDomainStructureEvalueThresholdExp() ) ) {
+                                final String name = d.getName();
+                                if ( !( s.contains( name ) ) ) {
+                                    data.add( name );
+                                    if ( getOptions()
+                                            .getExtDescNodeDataToReturn() == NodeDataField.DOMAINS_COLLAPSED_PER_PROTEIN ) {
+                                        s.add( name );
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    break;
+                case SEQ_ANNOTATIONS:
+                    if ( n.getNodeData().isHasSequence() ) {
+                        if ( n.getNodeData().isHasSequence()
+                                && ( n.getNodeData().getSequence().getAnnotations() != null ) ) {
+                            final SortedSet<Annotation> a = n.getNodeData().getSequence().getAnnotations();
+                            for( int i = 0; i < a.size(); ++i ) {
+                                data.add( n.getNodeData().getSequence().getAnnotation( i ).toString() );
+                            }
+                        }
+                    }
+                    break;
+                case GO_TERM_IDS:
+                    if ( n.getNodeData().isHasSequence() ) {
+                        if ( n.getNodeData().isHasSequence()
+                                && ( n.getNodeData().getSequence().getAnnotations() != null ) ) {
+                            final SortedSet<Annotation> a = n.getNodeData().getSequence().getAnnotations();
+                            for( int i = 0; i < a.size(); ++i ) {
+                                final Annotation ann = n.getNodeData().getSequence().getAnnotation( i );
+                                final String ref = ann.getRef();
+                                if ( ref.toUpperCase().startsWith( "GO:" ) ) {
+                                    data.add( ref );
+                                }
+                            }
+                        }
+                    }
+                    break;
+                case UNKNOWN:
+                    TreePanelUtil.showExtDescNodeDataUserSelectedHelper( getControlPanel(), n, data );
+                    break;
+                default:
+                    throw new IllegalArgumentException( "unknown data element: "
+                            + getOptions().getExtDescNodeDataToReturn() );
+            }
+        } // for loop
+        final StringBuilder sb = new StringBuilder();
+        final int size = TreePanelUtil.nodeDataIntoStringBuffer( data, getOptions(), sb );
+        if ( ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE )
+                || ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.BUFFER_ONLY ) ) {
+            if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE ) {
+                System.out.println( sb );
+            }
+            if ( sb.length() < 1 ) {
+                clearCurrentExternalNodesDataBuffer();
+            }
+            else {
+                setCurrentExternalNodesDataBuffer( sb );
+            }
+        }
+        else if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.WINODW ) {
+            if ( sb.length() < 1 ) {
+                TreePanelUtil.showInformationMessage( this,
+                                                      "No Appropriate Data (" + obtainTitleForExtDescNodeData() + ")",
+                                                      "Descendants of selected node do not contain selected data" );
+                clearCurrentExternalNodesDataBuffer();
+            }
+            else {
+                setCurrentExternalNodesDataBuffer( sb );
+                String title;
+                if ( ( getFoundNodes0() != null ) && !getFoundNodes0().isEmpty() ) {
+                    title = ( getOptions().getExtDescNodeDataToReturn() == NodeDataField.UNKNOWN ? "Data"
+                            : obtainTitleForExtDescNodeData() ) + " for " + data.size() + " nodes, unique entries: "
+                            + size;
                 }
                 else {
-                    if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
-                        float x2c = x1 + EURO_D;
-                        if ( x2c > x2a ) {
-                            x2c = x2a;
+                    title = ( getOptions().getExtDescNodeDataToReturn() == NodeDataField.UNKNOWN ? "Data"
+                            : obtainTitleForExtDescNodeData() ) + " for " + data.size() + "/"
+                            + node.getNumberOfExternalNodes() + " external descendats of node " + node
+                            + ", unique entries: " + size;
+                }
+                final String s = sb.toString().trim();
+                getMainPanel().getMainFrame().showTextFrame( s, title );
+            }
+        }
+    }
+
+    final private void showNodeDataPopup( final MouseEvent e, final PhylogenyNode node ) {
+        try {
+            if ( ( node.getName().length() > 0 )
+                    || ( node.getNodeData().isHasTaxonomy()
+                            && !TreePanelUtil.isTaxonomyEmpty( node.getNodeData().getTaxonomy() ) )
+                    || ( node.getNodeData().isHasSequence()
+                            && !TreePanelUtil.isSequenceEmpty( node.getNodeData().getSequence() ) )
+                    || ( node.getNodeData().isHasDate() ) || ( node.getNodeData().isHasDistribution() )
+                    || node.getBranchData().isHasConfidences() ) {
+                _popup_buffer.setLength( 0 );
+                short lines = 0;
+                if ( node.getName().length() > 0 ) {
+                    lines++;
+                    _popup_buffer.append( node.getName() );
+                }
+                if ( node.getNodeData().isHasTaxonomy()
+                        && !TreePanelUtil.isTaxonomyEmpty( node.getNodeData().getTaxonomy() ) ) {
+                    lines++;
+                    boolean enc_data = false;
+                    final Taxonomy tax = node.getNodeData().getTaxonomy();
+                    if ( _popup_buffer.length() > 0 ) {
+                        _popup_buffer.append( "\n" );
+                    }
+                    if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
+                        _popup_buffer.append( "[" );
+                        _popup_buffer.append( tax.getTaxonomyCode() );
+                        _popup_buffer.append( "]" );
+                        enc_data = true;
+                    }
+                    if ( !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " " );
                         }
-                        drawLine( x1, y1, x2c, y2, g );
+                        _popup_buffer.append( tax.getScientificName() );
+                        enc_data = true;
                     }
-                    else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
-                        if ( y2 > y1 ) {
-                            y2_r = y2 - ROUNDED_D;
-                            if ( y2_r < y1 ) {
-                                y2_r = y1;
-                            }
-                            drawLine( x1, y1, x1, y2_r, g );
+                    if ( !ForesterUtil.isEmpty( tax.getCommonName() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " (" );
                         }
                         else {
-                            y2_r = y2 + ROUNDED_D;
-                            if ( y2_r > y1 ) {
-                                y2_r = y1;
+                            _popup_buffer.append( "(" );
+                        }
+                        _popup_buffer.append( tax.getCommonName() );
+                        _popup_buffer.append( ")" );
+                        enc_data = true;
+                    }
+                    if ( !ForesterUtil.isEmpty( tax.getAuthority() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " (" );
+                        }
+                        else {
+                            _popup_buffer.append( "(" );
+                        }
+                        _popup_buffer.append( tax.getAuthority() );
+                        _popup_buffer.append( ")" );
+                        enc_data = true;
+                    }
+                    if ( !ForesterUtil.isEmpty( tax.getRank() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " [" );
+                        }
+                        else {
+                            _popup_buffer.append( "[" );
+                        }
+                        _popup_buffer.append( tax.getRank() );
+                        _popup_buffer.append( "]" );
+                        enc_data = true;
+                    }
+                    if ( tax.getSynonyms().size() > 0 ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " " );
+                        }
+                        _popup_buffer.append( "[" );
+                        int counter = 1;
+                        for( final String syn : tax.getSynonyms() ) {
+                            if ( !ForesterUtil.isEmpty( syn ) ) {
+                                enc_data = true;
+                                _popup_buffer.append( syn );
+                                if ( counter < tax.getSynonyms().size() ) {
+                                    _popup_buffer.append( ", " );
+                                }
                             }
-                            drawLine( x1, y1, x1, y2_r, g );
+                            counter++;
                         }
+                        _popup_buffer.append( "]" );
                     }
-                    else {
-                        drawLine( x1, y1, x1, y2, g );
+                    if ( !enc_data ) {
+                        if ( ( tax.getIdentifier() != null )
+                                && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() ) ) {
+                            if ( !ForesterUtil.isEmpty( tax.getIdentifier().getProvider() ) ) {
+                                _popup_buffer.append( "[" );
+                                _popup_buffer.append( tax.getIdentifier().getProvider() );
+                                _popup_buffer.append( "] " );
+                            }
+                            _popup_buffer.append( tax.getIdentifier().getValue() );
+                        }
                     }
                 }
-            }
-            // draw the horizontal line
-            if ( !to_graphics_file && !to_pdf
-                    && ( ( y2 < ( getVisibleRect().getMinY() - 20 ) ) || ( y2 > ( getVisibleRect().getMaxY() + 20 ) ) ) ) {
-                return;
-            }
-            float x1_r = 0;
-            if ( !getControlPanel().isWidthBranches() || ( PhylogenyMethods.getBranchWidthValue( node ) == 1 ) ) {
-                if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
-                    x1_r = x1a + ROUNDED_D;
-                    if ( x1_r < x2a ) {
-                        drawLine( x1_r, y2, x2a, y2, g );
+                if ( node.getNodeData().isHasSequence()
+                        && !TreePanelUtil.isSequenceEmpty( node.getNodeData().getSequence() ) ) {
+                    lines++;
+                    boolean enc_data = false;
+                    if ( _popup_buffer.length() > 0 ) {
+                        _popup_buffer.append( "\n" );
                     }
-                }
-                else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
-                    final float x1c = x1a + EURO_D;
-                    if ( x1c < x2a ) {
-                        drawLine( x1c, y2, x2a, y2, g );
+                    final Sequence seq = node.getNodeData().getSequence();
+                    if ( seq.getAccession() != null ) {
+                        _popup_buffer.append( "[" );
+                        if ( !ForesterUtil.isEmpty( seq.getAccession().getSource() ) ) {
+                            _popup_buffer.append( seq.getAccession().getSource() );
+                            _popup_buffer.append( ":" );
+                        }
+                        _popup_buffer.append( seq.getAccession().getValue() );
+                        _popup_buffer.append( "]" );
+                        enc_data = true;
                     }
-                }
-                else {
-                    drawLine( x1a, y2, x2a, y2, g );
-                }
-            }
-            else {
-                final double w = PhylogenyMethods.getBranchWidthValue( node );
-                if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
-                    x1_r = x1a + ROUNDED_D;
-                    if ( x1_r < x2a ) {
-                        drawRectFilled( x1_r, y2 - ( w / 2 ), x2a - x1_r, w, g );
+                    if ( !ForesterUtil.isEmpty( seq.getSymbol() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " [" );
+                        }
+                        else {
+                            _popup_buffer.append( "[" );
+                        }
+                        _popup_buffer.append( seq.getSymbol() );
+                        _popup_buffer.append( "]" );
+                        enc_data = true;
+                    }
+                    if ( !ForesterUtil.isEmpty( seq.getGeneName() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " [" );
+                        }
+                        else {
+                            _popup_buffer.append( "[" );
+                        }
+                        _popup_buffer.append( seq.getGeneName() );
+                        _popup_buffer.append( "]" );
+                        enc_data = true;
+                    }
+                    if ( !ForesterUtil.isEmpty( seq.getName() ) ) {
+                        if ( enc_data ) {
+                            _popup_buffer.append( " " );
+                        }
+                        _popup_buffer.append( seq.getName() );
                     }
                 }
-                else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
-                    final float x1c = x1a + EURO_D;
-                    if ( x1c < x2a ) {
-                        drawRectFilled( x1c, y2 - ( w / 2 ), x2a - x1c, w, g );
+                if ( node.getNodeData().isHasDate() ) {
+                    lines++;
+                    if ( _popup_buffer.length() > 0 ) {
+                        _popup_buffer.append( "\n" );
                     }
+                    _popup_buffer.append( node.getNodeData().getDate().asSimpleText() );
                 }
-                else {
-                    drawRectFilled( x1a, y2 - ( w / 2 ), x2a - x1a, w, g );
+                if ( node.getNodeData().isHasDistribution() ) {
+                    lines++;
+                    if ( _popup_buffer.length() > 0 ) {
+                        _popup_buffer.append( "\n" );
+                    }
+                    _popup_buffer.append( node.getNodeData().getDistribution().asSimpleText() );
                 }
-            }
-            if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
-                if ( x1_r > x2a ) {
-                    x1_r = x2a;
+                if ( node.getBranchData().isHasConfidences() ) {
+                    final List<Confidence> confs = node.getBranchData().getConfidences();
+                    for( final Confidence confidence : confs ) {
+                        lines++;
+                        if ( _popup_buffer.length() > 0 ) {
+                            _popup_buffer.append( "\n" );
+                        }
+                        if ( !ForesterUtil.isEmpty( confidence.getType() ) ) {
+                            _popup_buffer.append( "[" );
+                            _popup_buffer.append( confidence.getType() );
+                            _popup_buffer.append( "] " );
+                        }
+                        _popup_buffer.append( FORMATTER_CONFIDENCE.format( ForesterUtil.round( confidence.getValue(),
+                                                                                               getOptions()
+                                                                                                       .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
+                        if ( confidence.getStandardDeviation() != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
+                            _popup_buffer.append( " (sd=" );
+                            _popup_buffer.append( FORMATTER_CONFIDENCE
+                                    .format( ForesterUtil.round( confidence.getStandardDeviation(),
+                                                                 getOptions()
+                                                                         .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
+                            _popup_buffer.append( ")" );
+                        }
+                    }
                 }
-                if ( y2 > y2_r ) {
-                    final double diff = y2 - y2_r;
-                    _arc.setArc( x1, y2_r - diff, 2 * ( x1_r - x1 ), 2 * diff, 180, 90, Arc2D.OPEN );
+                if ( node.getNodeData().isHasProperties() ) {
+                    if ( _popup_buffer.length() > 0 ) {
+                        _popup_buffer.append( "\n" );
+                    }
+                    _popup_buffer.append( node.getNodeData().getProperties().asText() );
                 }
-                else {
-                    _arc.setArc( x1, y2, 2 * ( x1_r - x1 ), 2 * ( y2_r - y2 ), 90, 90, Arc2D.OPEN );
+                if ( _popup_buffer.length() > 0 ) {
+                    if ( !getConfiguration().isUseNativeUI() ) {
+                        _rollover_popup
+                                .setBorder( BorderFactory.createLineBorder( getTreeColorSet().getBranchColor() ) );
+                        _rollover_popup.setBackground( getTreeColorSet().getBackgroundColor() );
+                        if ( isInFoundNodes0( node ) && !isInFoundNodes1( node ) ) {
+                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor0() );
+                        }
+                        else if ( !isInFoundNodes0( node ) && isInFoundNodes1( node ) ) {
+                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor1() );
+                        }
+                        else if ( isInFoundNodes0( node ) && isInFoundNodes1( node ) ) {
+                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor0and1() );
+                        }
+                        else {
+                            _rollover_popup.setForeground( getTreeColorSet().getSequenceColor() );
+                        }
+                    }
+                    else {
+                        _rollover_popup.setBorder( BorderFactory.createLineBorder( Color.BLACK ) );
+                    }
+                    _rollover_popup.setText( _popup_buffer.toString() );
+                    _node_desc_popup = PopupFactory.getSharedInstance()
+                            .getPopup( null,
+                                       _rollover_popup,
+                                       e.getLocationOnScreen().x + 10,
+                                       e.getLocationOnScreen().y - ( lines * 20 ) );
+                    _node_desc_popup.show();
                 }
-                g.draw( _arc );
             }
         }
-        if ( node.isExternal() ) {
-            paintNodeBox( x2, y2, node, g, to_pdf, to_graphics_file );
+        catch ( final Exception ex ) {
+            // Do nothing.
         }
     }
 
-    final private double paintCirculars( final PhylogenyNode n,
-                                         final Phylogeny phy,
-                                         final float center_x,
-                                         final float center_y,
-                                         final double radius,
-                                         final boolean radial_labels,
-                                         final Graphics2D g,
-                                         final boolean to_pdf,
-                                         final boolean to_graphics_file ) {
-        if ( n.isExternal() || n.isCollapse() ) { //~~circ collapse
-            if ( !_urt_nodeid_angle_map.containsKey( n.getId() ) ) {
-                System.out.println( "no " + n + " =====>>>>>>> ERROR!" );//TODO
-            }
-            return _urt_nodeid_angle_map.get( n.getId() );
+    final private void showNodeEditFrame( final PhylogenyNode n ) {
+        if ( _node_frame_index < TreePanel.MAX_NODE_FRAMES ) {
+            // pop up edit box for single node
+            _node_frames[ _node_frame_index ] = new NodeFrame( n, _phylogeny, this, _node_frame_index, "" );
+            _node_frame_index++;
         }
         else {
-            final List<PhylogenyNode> descs = n.getDescendants();
-            double sum = 0;
-            for( final PhylogenyNode desc : descs ) {
-                sum += paintCirculars( desc,
-                                       phy,
-                                       center_x,
-                                       center_y,
-                                       radius,
-                                       radial_labels,
-                                       g,
-                                       to_pdf,
-                                       to_graphics_file );
-            }
-            double r = 0;
-            if ( !n.isRoot() ) {
-                r = 1 - ( ( ( double ) _circ_max_depth - n.calculateDepth() ) / _circ_max_depth );
-            }
-            final double theta = sum / descs.size();
-            n.setXcoord( ( float ) ( center_x + ( r * radius * Math.cos( theta ) ) ) );
-            n.setYcoord( ( float ) ( center_y + ( r * radius * Math.sin( theta ) ) ) );
-            _urt_nodeid_angle_map.put( n.getId(), theta );
-            for( final PhylogenyNode desc : descs ) {
-                paintBranchCircular( n, desc, g, radial_labels, to_pdf, to_graphics_file );
-            }
-            return theta;
+            JOptionPane.showMessageDialog( this, "too many node windows are open" );
         }
     }
 
-    final private void paintCircularsLite( final PhylogenyNode n,
-                                           final Phylogeny phy,
-                                           final int center_x,
-                                           final int center_y,
-                                           final int radius,
-                                           final Graphics2D g ) {
-        if ( n.isExternal() ) {
-            return;
+    final private void showNodeFrame( final PhylogenyNode n ) {
+        if ( _node_frame_index < TreePanel.MAX_NODE_FRAMES ) {
+            // pop up edit box for single node
+            _node_frames[ _node_frame_index ] = new NodeFrame( n, _phylogeny, this, _node_frame_index );
+            _node_frame_index++;
         }
         else {
-            final List<PhylogenyNode> descs = n.getDescendants();
-            for( final PhylogenyNode desc : descs ) {
-                paintCircularsLite( desc, phy, center_x, center_y, radius, g );
-            }
-            float r = 0;
-            if ( !n.isRoot() ) {
-                r = 1 - ( ( ( float ) _circ_max_depth - n.calculateDepth() ) / _circ_max_depth );
-            }
-            final double theta = _urt_nodeid_angle_map.get( n.getId() );
-            n.setXSecondary( ( float ) ( center_x + ( radius * r * Math.cos( theta ) ) ) );
-            n.setYSecondary( ( float ) ( center_y + ( radius * r * Math.sin( theta ) ) ) );
-            for( final PhylogenyNode desc : descs ) {
-                paintBranchCircularLite( n, desc, g );
-            }
+            JOptionPane.showMessageDialog( this, "too many node windows are open" );
         }
     }
 
-    final private void paintCollapsedNode( final Graphics2D g,
-                                           final PhylogenyNode node,
-                                           final boolean to_graphics_file,
-                                           final boolean to_pdf,
-                                           final boolean is_in_found_nodes ) {
-        Color c = null;
-        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-            c = Color.BLACK;
-        }
-        else if ( is_in_found_nodes ) {
-            c = getColorForFoundNode( node );
-        }
-        else if ( getControlPanel().isColorAccordingToSequence() ) {
-            c = getSequenceBasedColor( node );
-        }
-        else if ( getControlPanel().isColorAccordingToTaxonomy() ) {
-            c = getTaxonomyBasedColor( node );
-        }
-        else if ( getOptions().isColorLabelsSameAsParentBranch() && getControlPanel().isUseVisualStyles()
-                && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
-            c = PhylogenyMethods.getBranchColorValue( node );
+    final private void switchDisplaygetPhylogenyGraphicsType() {
+        switch ( getPhylogenyGraphicsType() ) {
+            case RECTANGULAR:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE );
+                break;
+            case EURO_STYLE:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.ROUNDED );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.ROUNDED );
+                break;
+            case ROUNDED:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CURVED );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CURVED );
+                break;
+            case CURVED:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR );
+                break;
+            case TRIANGULAR:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CONVEX );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CONVEX );
+                break;
+            case CONVEX:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+                break;
+            case UNROOTED:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CIRCULAR );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CIRCULAR );
+                break;
+            case CIRCULAR:
+                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR );
+                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR );
+                break;
+            default:
+                throw new RuntimeException( "unkwnown display type: " + getPhylogenyGraphicsType() );
         }
-        else {
-            c = getTreeColorSet().getCollapseFillColor();
+        if ( getControlPanel().getDynamicallyHideData() != null ) {
+            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+                getControlPanel().getDynamicallyHideData().setEnabled( false );
+            }
+            else {
+                getControlPanel().getDynamicallyHideData().setEnabled( true );
+            }
         }
-        double d = node.getAllExternalDescendants().size();
-        if ( d > 1000 ) {
-            d = ( 3 * _y_distance ) / 3;
+        if ( isPhyHasBranchLengths() && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+            getControlPanel().setDrawPhylogramEnabled( true );
         }
         else {
-            d = ( Math.log10( d ) * _y_distance ) / 2.5;
-        }
-        final int box_size = getOptions().getDefaultNodeShapeSize() + 1;
-        if ( d < box_size ) {
-            d = box_size;
-        }
-        final float xx = node.getXcoord() - ( 2 * box_size );
-        final float xxx = xx > node.getParent().getXcoord() + 1 ? xx : node.getParent().getXcoord() + 1;
-        _polygon.reset();
-        _polygon.moveTo( xxx, node.getYcoord() );
-        _polygon.lineTo( node.getXcoord() + 1, node.getYcoord() - d );
-        _polygon.lineTo( node.getXcoord() + 1, node.getYcoord() + d );
-        _polygon.closePath();
-        if ( getOptions().getDefaultNodeFill() == NodeVisualData.NodeFill.SOLID ) {
-            g.setColor( c );
-            g.fill( _polygon );
-        }
-        else if ( getOptions().getDefaultNodeFill() == NodeVisualData.NodeFill.NONE ) {
-            g.setColor( getBackground() );
-            g.fill( _polygon );
-            g.setColor( c );
-            g.draw( _polygon );
+            getControlPanel().setDrawPhylogramEnabled( false );
         }
-        else if ( getOptions().getDefaultNodeFill() == NodeFill.GRADIENT ) {
-            g.setPaint( new GradientPaint( xxx, node.getYcoord(), getBackground(), node.getXcoord(), ( float ) ( node
-                    .getYcoord() - d ), c, false ) );
-            g.fill( _polygon );
-            g.setPaint( c );
-            g.draw( _polygon );
+        getMainPanel().getMainFrame().setSelectedTypeInTypeMenu( getPhylogenyGraphicsType() );
+    }
+
+    final void calcMaxDepth() {
+        if ( _phylogeny != null ) {
+            _circ_max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
         }
-        paintNodeData( g, node, to_graphics_file, to_pdf, is_in_found_nodes );
     }
 
-    final private void paintConfidenceValues( final Graphics2D g,
-                                              final PhylogenyNode node,
-                                              final boolean to_pdf,
-                                              final boolean to_graphics_file ) {
-        final List<Confidence> confidences = node.getBranchData().getConfidences();
-        boolean not_first = false;
-        Collections.sort( confidences );
-        final StringBuilder sb = new StringBuilder();
-        for( final Confidence confidence : confidences ) {
-            final double value = confidence.getValue();
-            if ( value != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
-                if ( value < getOptions().getMinConfidenceValue() ) {
-                    return;
+    /**
+     * Set parameters for printing the displayed tree
+     *
+     */
+    final void calcParametersForPainting( final int x, final int y ) {
+        // updateStyle(); not needed?
+        if ( ( _phylogeny != null ) && !_phylogeny.isEmpty() ) {
+            initNodeData();
+            calculateLongestExtNodeInfo();
+            if ( ( getLongestExtNodeInfo() > ( x * 0.6 ) )
+                    && ( getTreeFontSet().getLargeFont().getSize() > ( 2 + TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) ) {
+                while ( ( getLongestExtNodeInfo() > ( x * 0.7 ) )
+                        && ( getTreeFontSet().getLargeFont().getSize() > 2 ) ) {
+                    getMainPanel().getTreeFontSet().decreaseFontSize( getConfiguration().getMinBaseFontSize(), true );
+                    calculateLongestExtNodeInfo();
                 }
-                if ( not_first ) {
-                    sb.append( "/" );
+            }
+            else {
+                while ( ( getLongestExtNodeInfo() < ( x * 0.6 ) ) && ( getTreeFontSet().getLargeFont()
+                        .getSize() <= ( getTreeFontSet().getLargeFontMemory().getSize()
+                                - TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) ) {
+                    getMainPanel().getTreeFontSet().increaseFontSize();
+                    calculateLongestExtNodeInfo();
                 }
-                else {
-                    not_first = true;
-                }
-                sb.append( FORMATTER_CONFIDENCE.format( ForesterUtil.round( value, getOptions()
-                        .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
-                if ( getOptions().isShowConfidenceStddev() ) {
-                    if ( confidence.getStandardDeviation() != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
-                        sb.append( "(" );
-                        sb.append( FORMATTER_CONFIDENCE.format( ForesterUtil.round( confidence.getStandardDeviation(),
-                                                                                    getOptions()
-                                                                                            .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
-                        sb.append( ")" );
-                    }
+            }
+            //_length_of_longest_text = calcLengthOfLongestText();
+            int ext_nodes = _phylogeny.getRoot().getNumberOfExternalNodes();
+            final int max_depth = PhylogenyMethods.calculateMaxDepthConsiderCollapsed( _phylogeny ) + 1;
+            if ( ext_nodes == 1 ) {
+                ext_nodes = max_depth;
+                if ( ext_nodes < 1 ) {
+                    ext_nodes = 1;
                 }
             }
-        }
-        if ( sb.length() > 0 ) {
-            final float parent_x = node.getParent().getXcoord();
-            float x = node.getXcoord();
-            g.setFont( getTreeFontSet().getSmallFont() );
-            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) {
-                x += EURO_D;
+            updateOvSizes();
+            float xdist = 0;
+            float ov_xdist = 0;
+            if ( !isNonLinedUpCladogram() ) {
+                xdist = ( float ) ( ( x - getLongestExtNodeInfo() - TreePanel.MOVE ) / ( ext_nodes + 3.0 ) );
+                ov_xdist = ( float ) ( getOvMaxWidth() / ( ext_nodes + 3.0 ) );
             }
-            else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) {
-                x += ROUNDED_D;
+            else {
+                xdist = ( ( x - getLongestExtNodeInfo() - TreePanel.MOVE ) / ( max_depth + 1 ) );
+                ov_xdist = ( getOvMaxWidth() / ( max_depth + 1 ) );
             }
-            if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-                g.setColor( Color.BLACK );
+            float ydist = ( float ) ( ( y - TreePanel.MOVE ) / ( ext_nodes * 2.0 ) );
+            if ( xdist < 0.0 ) {
+                xdist = 0.0f;
+            }
+            if ( ov_xdist < 0.0 ) {
+                ov_xdist = 0.0f;
+            }
+            if ( ydist < 0.0 ) {
+                ydist = 0.0f;
+            }
+            setXdistance( xdist );
+            setYdistance( ydist );
+            setOvXDistance( ov_xdist );
+            final double height = _phylogeny.calculateHeight( !_options.isCollapsedWithAverageHeigh() );
+            //final double height = PhylogenyMethods.calculateMaxDepth( _phylogeny );
+            if ( height > 0 ) {
+                final float corr = ( float ) ( ( x - ( 2.0 * TreePanel.MOVE ) - getLongestExtNodeInfo()
+                        - getXdistance() ) / height );
+                setXcorrectionFactor( corr > 0 ? corr : 0 );
+                final float ov_corr = ( float ) ( ( getOvMaxWidth() - getOvXDistance() ) / height );
+                setOvXcorrectionFactor( ov_corr > 0 ? ov_corr : 0 );
             }
             else {
-                g.setColor( getTreeColorSet().getConfidenceColor() );
+                setXcorrectionFactor( 0 );
+                setOvXcorrectionFactor( 0 );
             }
-            final String conf_str = sb.toString();
-            TreePanel.drawString( conf_str,
-                                  parent_x
-                                          + ( ( x - parent_x - getTreeFontSet().getFontMetricsSmall()
-                                                  .stringWidth( conf_str ) ) / 2 ),
-                                  ( node.getYcoord() + getTreeFontSet().getSmallMaxAscent() ) - 1,
-                                  g );
-        }
-    }
-
-    final private void paintGainedAndLostCharacters( final Graphics2D g,
-                                                     final PhylogenyNode node,
-                                                     final String gained,
-                                                     final String lost ) {
-        if ( node.getParent() != null ) {
-            final float parent_x = node.getParent().getXcoord();
-            final float x = node.getXcoord();
-            g.setFont( getTreeFontSet().getLargeFont() );
-            g.setColor( getTreeColorSet().getGainedCharactersColor() );
-            if ( Constants.SPECIAL_CUSTOM ) {
-                g.setColor( Color.BLUE );
+            _circ_max_depth = max_depth;
+            setUpUrtFactor();
+            //
+            if ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
+                    && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+                //                int dynamic_hiding_factor = calcDynamicHidingFactor();
+                //                if ( dynamic_hiding_factor > 1 ) {
+                //                    while ( dynamic_hiding_factor > 1
+                //                            && getTreeFontSet()._fm_large.getHeight() > TreeFontSet.SMALL_FONTS_BASE ) {
+                //                        getTreeFontSet().decreaseFontSize( 1, true );
+                //                        dynamic_hiding_factor = calcDynamicHidingFactor();
+                //                    }
+                //                }
+                //                else if ( getTreeFontSet().isDecreasedSizeBySystem() ) {
+                //                    while ( dynamic_hiding_factor < 1 && getTreeFontSet()._fm_large.getHeight() < 12 ) {
+                //                        getTreeFontSet().increaseFontSize();
+                //                        dynamic_hiding_factor = calcDynamicHidingFactor();
+                //                    }
+                //                }
             }
-            TreePanel
-                    .drawString( gained,
-                                 parent_x
-                                         + ( ( x - parent_x - getFontMetricsForLargeDefaultFont().stringWidth( gained ) ) / 2 ),
-                                 ( node.getYcoord() - getFontMetricsForLargeDefaultFont().getMaxDescent() ),
-                                 g );
-            g.setColor( getTreeColorSet().getLostCharactersColor() );
-            TreePanel
-                    .drawString( lost,
-                                 parent_x
-                                         + ( ( x - parent_x - getFontMetricsForLargeDefaultFont().stringWidth( lost ) ) / 2 ),
-                                 ( node.getYcoord() + getFontMetricsForLargeDefaultFont().getMaxAscent() ),
-                                 g );
+            //
         }
     }
 
-    /**
-     * Draw a box at the indicated node.
-     * 
-     * @param x
-     * @param y
-     * @param node
-     * @param g
-     */
-    final private void paintNodeBox( final float x,
-                                     final float y,
-                                     final PhylogenyNode node,
-                                     final Graphics2D g,
-                                     final boolean to_pdf,
-                                     final boolean to_graphics_file ) {
-        if ( node.isCollapse() ) {
+    final void calculateLongestExtNodeInfo() {
+        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
             return;
         }
-        // if this node should be highlighted, do so
-        if ( ( _highlight_node == node ) && !to_pdf && !to_graphics_file ) {
-            g.setColor( getTreeColorSet().getFoundColor0() );
-            drawOval( x - 8, y - 8, 16, 16, g );
-            drawOval( x - 9, y - 8, 17, 17, g );
-            drawOval( x - 9, y - 9, 18, 18, g );
+        int max_possible_length = ForesterUtil
+                .roundToInt( ( getSize().getWidth() - ( 2 * MOVE ) ) * AptxConstants.EXT_NODE_INFO_LENGTH_MAX_RATIO );
+        if ( max_possible_length < 20 ) {
+            max_possible_length = 20;
         }
-        if ( ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) )
-                || ( getOptions().isShowDefaultNodeShapesExternal() && node.isExternal() )
-                || ( getOptions().isShowDefaultNodeShapesInternal() && node.isInternal() )
-                || ( getControlPanel().isUseVisualStyles() && ( ( node.getNodeData().getNodeVisualData() != null ) && ( ( node
-                        .getNodeData().getNodeVisualData().getNodeColor() != null )
-                        || ( node.getNodeData().getNodeVisualData().getSize() != NodeVisualData.DEFAULT_SIZE )
-                        || ( node.getNodeData().getNodeVisualData().getFillType() != NodeFill.DEFAULT ) || ( node
-                        .getNodeData().getNodeVisualData().getShape() != NodeShape.DEFAULT ) ) ) )
-                || ( getControlPanel().isEvents() && node.isHasAssignedEvent() && ( node.getNodeData().getEvent()
-                        .isDuplication()
-                        || node.getNodeData().getEvent().isSpeciation() || node.getNodeData().getEvent()
-                        .isSpeciationOrDuplication() ) ) ) {
-            NodeVisualData vis = null;
-            if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null )
-                    && ( !node.getNodeData().getNodeVisualData().isEmpty() ) ) {
-                vis = node.getNodeData().getNodeVisualData();
+        int longest = 30;
+        int longest_txt = 0;
+        _longest_domain = 0;
+        PhylogenyNode longest_txt_node = _phylogeny.getFirstExternalNode();
+        for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
+            int sum = 0;
+            if ( node.isCollapse() ) {
+                continue;
             }
-            float box_size = getOptions().getDefaultNodeShapeSize();
-            if ( ( vis != null ) && ( vis.getSize() != NodeVisualData.DEFAULT_SIZE ) ) {
-                box_size = vis.getSize();
+            final StringBuilder sb = new StringBuilder();
+            nodeDataAsSB( node, sb );
+            if ( node.getNodeData().isHasTaxonomy() ) {
+                nodeTaxonomyDataAsSB( node.getNodeData().getTaxonomy(), sb );
             }
-            final float half_box_size = box_size / 2.0f;
-            Color outline_color = null;
-            if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-                outline_color = Color.BLACK;
+            final int txt = sb.length();
+            if ( txt > longest_txt ) {
+                longest_txt = txt;
+                longest_txt_node = node;
             }
-            else if ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) ) {
-                outline_color = getColorForFoundNode( node );
+            boolean use_vis = false;
+            final Graphics2D g = ( Graphics2D ) getGraphics();
+            if ( g != null && getControlPanel().isUseVisualStyles() ) {
+                use_vis = setFont( g, node, false );
             }
-            else if ( vis != null ) {
-                if ( vis.getNodeColor() != null ) {
-                    outline_color = vis.getNodeColor();
-                }
-                else if ( vis.getFontColor() != null ) {
-                    outline_color = vis.getFontColor();
-                }
+            if ( !use_vis ) {
+                sum = getFontMetricsForLargeDefaultFont().stringWidth( sb.toString() );
             }
-            else if ( getControlPanel().isEvents() && TreePanelUtil.isHasAssignedEvent( node ) ) {
-                final Event event = node.getNodeData().getEvent();
-                if ( event.isDuplication() ) {
-                    outline_color = getTreeColorSet().getDuplicationBoxColor();
-                }
-                else if ( event.isSpeciation() ) {
-                    outline_color = getTreeColorSet().getSpecBoxColor();
-                }
-                else if ( event.isSpeciationOrDuplication() ) {
-                    outline_color = getTreeColorSet().getDuplicationOrSpeciationColor();
-                }
+            else {
+                sum = getFontMetrics( g.getFont() ).stringWidth( sb.toString() );
             }
-            if ( outline_color == null ) {
-                outline_color = getGraphicsForNodeBoxWithColorForParentBranch( node );
-                if ( to_pdf && ( outline_color == getTreeColorSet().getBranchColor() ) ) {
-                    outline_color = getTreeColorSet().getBranchColorForPdf();
-                }
+            if ( getControlPanel().isShowBinaryCharacters() && node.getNodeData().isHasBinaryCharacters() ) {
+                sum += getFontMetricsForLargeDefaultFont().stringWidth( node.getNodeData().getBinaryCharacters()
+                        .getGainedCharactersAsStringBuffer().toString() );
             }
-            NodeShape shape = null;
-            if ( vis != null ) {
-                if ( vis.getShape() == NodeShape.CIRCLE ) {
-                    shape = NodeShape.CIRCLE;
+            if ( getControlPanel().isShowVectorData() && ( node.getNodeData().getVector() != null )
+                    && ( node.getNodeData().getVector().size() > 0 ) ) {
+                if ( getConfiguration() != null ) {
+                    sum += getConfiguration().getVectorDataWidth() + 10;
                 }
-                else if ( vis.getShape() == NodeShape.RECTANGLE ) {
-                    shape = NodeShape.RECTANGLE;
+                else {
+                    sum += RenderableVector.VECTOR_DEFAULT_WIDTH + 10;
                 }
             }
-            if ( shape == null ) {
-                if ( getOptions().getDefaultNodeShape() == NodeShape.CIRCLE ) {
-                    shape = NodeShape.CIRCLE;
-                }
-                else if ( getOptions().getDefaultNodeShape() == NodeShape.RECTANGLE ) {
-                    shape = NodeShape.RECTANGLE;
-                }
+            if ( getControlPanel().isShowDomainArchitectures() && node.getNodeData().isHasSequence()
+                    && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
+                // FIXME
+                // TODO this might need some clean up
+                final DomainArchitecture d = node.getNodeData().getSequence().getDomainArchitecture();
+                sum += ( ( _domain_structure_width
+                        / ( ( RenderableDomainArchitecture ) d ).getOriginalSize().getWidth() ) * d.getTotalLength() )
+                        + 10;
+                if ( d.getTotalLength() > _longest_domain ) {
+                    _longest_domain = d.getTotalLength();
+                }
+            }
+            if ( getControlPanel().isShowMolSequences() && ( node.getNodeData().isHasSequence() )
+                    && ( node.getNodeData().getSequence().isMolecularSequenceAligned() )
+                    && ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getMolecularSequence() ) ) ) {
+                // FIXME
+                sum += RenderableMsaSequence.DEFAULT_WIDTH + 30;
+            }
+            if ( sum >= max_possible_length ) {
+                _longest_ext_node_info = max_possible_length;
+                // return; //FIXME why?
             }
-            NodeFill fill = null;
-            if ( vis != null ) {
-                if ( vis.getFillType() == NodeFill.SOLID ) {
-                    fill = NodeFill.SOLID;
-                }
-                else if ( vis.getFillType() == NodeFill.NONE ) {
-                    fill = NodeFill.NONE;
-                }
-                else if ( vis.getFillType() == NodeFill.GRADIENT ) {
-                    fill = NodeFill.GRADIENT;
-                }
+            if ( sum > longest ) {
+                longest = sum;
             }
-            if ( fill == null ) {
-                if ( getOptions().getDefaultNodeFill() == NodeFill.SOLID ) {
-                    fill = NodeFill.SOLID;
-                }
-                else if ( getOptions().getDefaultNodeFill() == NodeFill.NONE ) {
-                    fill = NodeFill.NONE;
-                }
-                else if ( getOptions().getDefaultNodeFill() == NodeFill.GRADIENT ) {
-                    fill = NodeFill.GRADIENT;
-                }
+        }
+        _ext_node_with_longest_txt_info = longest_txt_node;
+        if ( longest >= max_possible_length ) {
+            _longest_ext_node_info = max_possible_length;
+        }
+        else {
+            _longest_ext_node_info = longest;
+        }
+        _length_of_longest_text = calcLengthOfLongestText();
+    }
+
+    final void calculateScaleDistance() {
+        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
+            return;
+        }
+        final double height = getMaxDistanceToRoot();
+        if ( height > 0 ) {
+            if ( ( height <= 0.5 ) ) {
+                setScaleDistance( 0.01 );
             }
-            Color vis_fill_color = null;
-            if ( ( vis != null ) && ( vis.getNodeColor() != null ) ) {
-                vis_fill_color = vis.getNodeColor();
+            else if ( height <= 5.0 ) {
+                setScaleDistance( 0.1 );
             }
-            if ( shape == NodeShape.CIRCLE ) {
-                if ( fill == NodeFill.GRADIENT ) {
-                    drawOvalGradient( x - half_box_size, y - half_box_size, box_size, box_size, g, to_pdf ? Color.WHITE
-                            : outline_color, to_pdf ? outline_color : getBackground(), outline_color );
+            else if ( height <= 50.0 ) {
+                setScaleDistance( 1 );
+            }
+            else if ( height <= 500.0 ) {
+                setScaleDistance( 10 );
+            }
+            else {
+                setScaleDistance( 100 );
+            }
+        }
+        else {
+            setScaleDistance( 0.0 );
+        }
+        String scale_label = String.valueOf( getScaleDistance() );
+        if ( !ForesterUtil.isEmpty( _phylogeny.getDistanceUnit() ) ) {
+            scale_label += " [" + _phylogeny.getDistanceUnit() + "]";
+        }
+        setScaleLabel( scale_label );
+    }
+
+    final Color calculateSequenceBasedColor( final Sequence seq ) {
+        if ( ForesterUtil.isEmpty( seq.getName() ) ) {
+            return getTreeColorSet().getSequenceColor();
+        }
+        Color c = null;
+        final String seq_name = seq.getName();
+        c = getControlPanel().getSequenceColors().get( seq_name );
+        if ( c == null ) {
+            c = AptxUtil.calculateColorFromString( seq_name, false );
+            getControlPanel().getSequenceColors().put( seq_name, c );
+        }
+        return c;
+    }
+
+    final Color calculateTaxonomyBasedColor( final Taxonomy tax ) {
+        if ( getOptions().isColorByTaxonomicGroup() ) {
+            if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
+                boolean ex = false;
+                String group = null;
+                try {
+                    group = TaxonomyUtil.getTaxGroupByTaxCode( tax.getTaxonomyCode() );
                 }
-                else if ( fill == NodeFill.NONE ) {
-                    Color background = getBackground();
-                    if ( to_pdf ) {
-                        background = Color.WHITE;
-                    }
-                    drawOvalGradient( x - half_box_size,
-                                      y - half_box_size,
-                                      box_size,
-                                      box_size,
-                                      g,
-                                      background,
-                                      background,
-                                      outline_color );
+                catch ( final Exception e ) {
+                    ex = true;
                 }
-                else if ( fill == NodeVisualData.NodeFill.SOLID ) {
-                    if ( vis_fill_color != null ) {
-                        g.setColor( vis_fill_color );
-                    }
-                    else {
-                        g.setColor( outline_color );
+                if ( !ex && !ForesterUtil.isEmpty( group ) ) {
+                    final Color c = ForesterUtil.obtainColorDependingOnTaxonomyGroup( group );
+                    if ( c != null ) {
+                        return c;
                     }
-                    drawOvalFilled( x - half_box_size, y - half_box_size, box_size, box_size, g );
                 }
             }
-            else if ( shape == NodeVisualData.NodeShape.RECTANGLE ) {
-                if ( fill == NodeVisualData.NodeFill.GRADIENT ) {
-                    drawRectGradient( x - half_box_size, y - half_box_size, box_size, box_size, g, to_pdf ? Color.WHITE
-                            : outline_color, to_pdf ? outline_color : getBackground(), outline_color );
-                }
-                else if ( fill == NodeVisualData.NodeFill.NONE ) {
-                    Color background = getBackground();
-                    if ( to_pdf ) {
-                        background = Color.WHITE;
-                    }
-                    drawRectGradient( x - half_box_size,
-                                      y - half_box_size,
-                                      box_size,
-                                      box_size,
-                                      g,
-                                      background,
-                                      background,
-                                      outline_color );
+            return getTreeColorSet().getTaxonomyColor();
+        }
+        else {
+            if ( ForesterUtil.isEmpty( tax.getTaxonomyCode() ) && ForesterUtil.isEmpty( tax.getScientificName() ) ) {
+                return getTreeColorSet().getTaxonomyColor();
+            }
+            Color c = null;
+            if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
+                c = getControlPanel().getSpeciesColors().get( tax.getTaxonomyCode() );
+            }
+            if ( ( c == null ) && !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
+                c = getControlPanel().getSpeciesColors().get( tax.getScientificName() );
+            }
+            if ( c == null ) {
+                if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
+                    c = AptxUtil.calculateColorFromString( tax.getTaxonomyCode(), true );
+                    getControlPanel().getSpeciesColors().put( tax.getTaxonomyCode(), c );
                 }
-                else if ( fill == NodeVisualData.NodeFill.SOLID ) {
-                    if ( vis_fill_color != null ) {
-                        g.setColor( vis_fill_color );
-                    }
-                    else {
-                        g.setColor( outline_color );
-                    }
-                    drawRectFilled( x - half_box_size, y - half_box_size, box_size, box_size, g );
+                else {
+                    c = AptxUtil.calculateColorFromString( tax.getScientificName(), true );
+                    getControlPanel().getSpeciesColors().put( tax.getScientificName(), c );
                 }
             }
+            return c;
+        }
+    }
+
+    void clearCurrentExternalNodesDataBuffer() {
+        setCurrentExternalNodesDataBuffer( new StringBuilder() );
+    }
+
+    /**
+     * Collapse the tree from the given node
+     *
+     * @param node
+     *            a PhylogenyNode
+     */
+    final void collapse( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot collapse in unrooted display type",
+                                           "Attempt to collapse in unrooted display",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
+        }
+        if ( !node.isExternal() && !node.isRoot() ) {
+            final boolean collapse = !node.isCollapse();
+            TreePanelUtil.collapseSubtree( node, collapse );
+            updateSetOfCollapsedExternalNodes();
+            _phylogeny.recalculateNumberOfExternalDescendants( true );
+            resetNodeIdToDistToLeafMap();
+            calculateLongestExtNodeInfo();
+            setNodeInPreorderToNull();
+            _control_panel.displayedPhylogenyMightHaveChanged( true );
+            resetPreferredSize();
+            updateOvSizes();
+            _main_panel.adjustJScrollPane();
+            repaint();
         }
     }
 
-    final private int paintNodeData( final Graphics2D g,
-                                     final PhylogenyNode node,
-                                     final boolean to_graphics_file,
-                                     final boolean to_pdf,
-                                     final boolean is_in_found_nodes ) {
-        if ( isNodeDataInvisible( node ) && !to_graphics_file && !to_pdf ) {
-            return 0;
+    final void uncollapseAll( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot uncollapse in unrooted display type",
+                                           "Attempt to uncollapse in unrooted display",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
         }
-        if ( getOptions().isShowBranchLengthValues()
-                && ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
-                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) )
-                && ( !node.isRoot() ) && ( node.getDistanceToParent() != PhylogenyDataUtil.BRANCH_LENGTH_DEFAULT ) ) {
-            paintBranchLength( g, node, to_pdf, to_graphics_file );
+        if ( !node.isExternal() ) {
+            TreePanelUtil.uncollapseSubtree( node );
+            updateSetOfCollapsedExternalNodes();
+            _phylogeny.recalculateNumberOfExternalDescendants( true );
+            resetNodeIdToDistToLeafMap();
+            calculateLongestExtNodeInfo();
+            setNodeInPreorderToNull();
+            _control_panel.displayedPhylogenyMightHaveChanged( true );
+            resetPreferredSize();
+            updateOvSizes();
+            _main_panel.adjustJScrollPane();
+            repaint();
         }
-        if ( !getControlPanel().isShowInternalData() && !node.isExternal() && !node.isCollapse() ) {
-            return 0;
+    }
+
+    final void collapseSpeciesSpecificSubtrees() {
+        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
+            return;
         }
-        _sb.setLength( 0 );
-        int x = 0;
-        final int half_box_size = getOptions().getDefaultNodeShapeSize() / 2;
-        if ( getControlPanel().isShowTaxonomyImages()
-                && ( getImageMap() != null )
-                && !getImageMap().isEmpty()
-                && node.getNodeData().isHasTaxonomy()
-                && ( ( node.getNodeData().getTaxonomy().getUris() != null ) && !node.getNodeData().getTaxonomy()
-                        .getUris().isEmpty() ) ) {
-            x += drawTaxonomyImage( node.getXcoord() + 2 + half_box_size, node.getYcoord(), node, g );
+        setWaitCursor();
+        TreePanelUtil.collapseSpeciesSpecificSubtrees( _phylogeny );
+        updateSetOfCollapsedExternalNodes();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        calculateLongestExtNodeInfo();
+        setNodeInPreorderToNull();
+        resetPreferredSize();
+        resetDepthCollapseDepthValue();
+        resetRankCollapseRankValue();
+        _main_panel.adjustJScrollPane();
+        getControlPanel().showWhole();
+        setArrowCursor();
+    }
+
+    final void colorRank( final String rank ) {
+        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
+            return;
         }
-        if ( ( getControlPanel().isShowTaxonomyCode() || getControlPanel().isShowTaxonomyScientificNames() || getControlPanel()
-                .isShowTaxonomyCommonNames() ) && node.getNodeData().isHasTaxonomy() ) {
-            x += paintTaxonomy( g, node, is_in_found_nodes, to_pdf, to_graphics_file, x );
+        setWaitCursor();
+        AptxUtil.removeBranchColors( _phylogeny );
+        final int colorizations = TreePanelUtil.colorPhylogenyAccordingToRanks( _phylogeny, rank, this );
+        if ( colorizations > 0 ) {
+            _control_panel.setColorBranches( true );
+            if ( _control_panel.getUseVisualStylesCb() != null ) {
+                _control_panel.getUseVisualStylesCb().setSelected( true );
+            }
+            if ( _control_panel.getColorAccSpeciesCb() != null ) {
+                _control_panel.getColorAccSpeciesCb().setSelected( false );
+            }
+            _options.setColorLabelsSameAsParentBranch( true );
+            if ( getMainPanel().getMainFrame()._color_labels_same_as_parent_branch != null ) {
+                getMainPanel().getMainFrame()._color_labels_same_as_parent_branch.setSelected( true );
+            }
+            _control_panel.repaint();
         }
-        setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getSequenceColor() );
-        if ( node.isCollapse() && ( ( !node.isRoot() && !node.getParent().isCollapse() ) || node.isRoot() ) ) {
-            if ( _sb.length() > 0 ) {
-                _sb.setLength( 0 );
-                _sb.append( " (" );
-                _sb.append( node.getAllExternalDescendants().size() );
-                _sb.append( ")" );
+        setArrowCursor();
+        repaint();
+        if ( colorizations > 0 ) {
+            String msg = "Taxonomy colorization via " + rank + " completed:\n";
+            if ( colorizations > 1 ) {
+                msg += "colorized " + colorizations + " subtrees";
+            }
+            else {
+                msg += "colorized one subtree";
             }
+            setEdited( true );
+            JOptionPane.showMessageDialog( this,
+                                           msg,
+                                           "Taxonomy Rank-Colorization Completed (" + rank + ")",
+                                           JOptionPane.INFORMATION_MESSAGE );
         }
         else {
-            _sb.setLength( 0 );
+            String msg = "Could not taxonomy rank-colorize any subtree via " + rank + ".\n";
+            msg += "Possible solutions (given that suitable taxonomic information is present):\n";
+            msg += "select a different rank (e.g. phylum, genus, ...)\n";
+            msg += "  and/or\n";
+            msg += "execute:\n";
+            msg += "1. \"" + MainFrame.OBTAIN_DETAILED_TAXONOMIC_INFORMATION + "\" (Tools)\n";
+            msg += "2. \"" + MainFrame.INFER_ANCESTOR_TAXONOMIES + "\" (Analysis)";
+            JOptionPane.showMessageDialog( this,
+                                           msg,
+                                           "Taxonomy Rank-Colorization Failed",
+                                           JOptionPane.WARNING_MESSAGE );
         }
-        nodeDataAsSB( node, _sb );
-        final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
-        float down_shift_factor = 3.0f;
-        if ( !node.isExternal() && ( node.getNumberOfDescendants() == 1 ) ) {
-            down_shift_factor = 1;
+    }
+
+    final void confColor() {
+        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
+            return;
         }
-        final float pos_x = node.getXcoord() + x + 2 + half_box_size;
-        float pos_y;
-        if ( !using_visual_font ) {
-            pos_y = ( node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ) );
+        setWaitCursor();
+        AptxUtil.removeBranchColors( _phylogeny );
+        TreePanelUtil.colorPhylogenyAccordingToConfidenceValues( _phylogeny, this );
+        _control_panel.setColorBranches( true );
+        if ( _control_panel.getUseVisualStylesCb() != null ) {
+            _control_panel.getUseVisualStylesCb().setSelected( true );
         }
-        else {
-            pos_y = ( node.getYcoord() + ( getFontMetrics( g.getFont() ).getAscent() / down_shift_factor ) );
+        setArrowCursor();
+        repaint();
+    }
+
+    final void decreaseDomainStructureEvalueThresholdExp() {
+        if ( _domain_structure_e_value_thr_exp > -20 ) {
+            _domain_structure_e_value_thr_exp -= 1;
         }
-        final String sb_str = _sb.toString();
-        // GUILHEM_BEG ______________
-        if ( _control_panel.isShowSequenceRelations() && node.getNodeData().isHasSequence()
-                && ( _query_sequence != null ) ) {
-            int nodeTextBoundsWidth = 0;
-            if ( sb_str.length() > 0 ) {
-                final Rectangle2D node_text_bounds = new TextLayout( sb_str, g.getFont(), _frc ).getBounds(); //would like to remove this 'new', but how...
-                nodeTextBoundsWidth = ( int ) node_text_bounds.getWidth();
+    }
+
+    /**
+     * Find the node, if any, at the given location
+     *
+     * @param x
+     * @param y
+     * @return pointer to the node at x,y, null if not found
+     */
+    public final PhylogenyNode findNode( final int x, final int y ) {
+        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
+            return null;
+        }
+        final int half_box_size_plus_wiggle = ( getOptions().getDefaultNodeShapeSize() / 2 ) + WIGGLE;
+        for( final PhylogenyNodeIterator iter = _phylogeny.iteratorPostorder(); iter.hasNext(); ) {
+            final PhylogenyNode node = iter.next();
+            if ( ( _phylogeny.isRooted() || !node.isRoot() || ( node.getNumberOfDescendants() > 2 ) )
+                    && ( ( node.getXcoord() - half_box_size_plus_wiggle ) <= x )
+                    && ( ( node.getXcoord() + half_box_size_plus_wiggle ) >= x )
+                    && ( ( node.getYcoord() - half_box_size_plus_wiggle ) <= y )
+                    && ( ( node.getYcoord() + half_box_size_plus_wiggle ) >= y ) ) {
+                return node;
             }
-            if ( node.getNodeData().getSequence().equals( _query_sequence ) ) {
-                if ( nodeTextBoundsWidth > 0 ) { // invert font color and background color to show that this is the query sequence
-                    g.fillRect( ( int ) pos_x - 1, ( int ) pos_y - 8, nodeTextBoundsWidth + 5, 11 );
-                    g.setColor( getTreeColorSet().getBackgroundColor() );
+        }
+        return null;
+    }
+
+    final Configuration getConfiguration() {
+        return _configuration;
+    }
+
+    final ControlPanel getControlPanel() {
+        return _control_panel;
+    }
+
+    String getCurrentExternalNodesDataBufferAsString() {
+        return _current_external_nodes_data_buffer.toString();
+    }
+
+    int getCurrentExternalNodesDataBufferChangeCounter() {
+        return _current_external_nodes_data_buffer_change_counter;
+    }
+
+    final int getDomainStructureEvalueThresholdExp() {
+        return _domain_structure_e_value_thr_exp;
+    }
+
+    public final Set<Long> getFoundNodes0() {
+        return _found_nodes_0;
+    }
+
+    public final Set<Long> getFoundNodes1() {
+        return _found_nodes_1;
+    }
+
+    public List<PhylogenyNode> getFoundNodesAsListOfPhylogenyNodes() {
+        final List<PhylogenyNode> additional_nodes = new ArrayList<PhylogenyNode>();
+        if ( getFoundNodes0() != null ) {
+            for( final Long id : getFoundNodes0() ) {
+                final PhylogenyNode n = _phylogeny.getNode( id );
+                if ( n != null ) {
+                    additional_nodes.add( n );
                 }
             }
-            else {
-                final List<SequenceRelation> seqRelations = node.getNodeData().getSequence().getSequenceRelations();
-                for( final SequenceRelation seqRelation : seqRelations ) {
-                    final boolean fGotRelationWithQuery = ( seqRelation.getRef0().isEqual( _query_sequence ) || seqRelation
-                            .getRef1().isEqual( _query_sequence ) )
-                            && seqRelation.getType().equals( getControlPanel().getSequenceRelationTypeBox()
-                                    .getSelectedItem() );
-                    if ( fGotRelationWithQuery ) { // we will underline the text to show that this sequence is ortholog to the query
-                        final double linePosX = node.getXcoord() + 2 + half_box_size;
-                        final String sConfidence = ( !getControlPanel().isShowSequenceRelationConfidence() || ( seqRelation
-                                .getConfidence() == null ) ) ? null : " (" + seqRelation.getConfidence().getValue()
-                                + ")";
-                        if ( sConfidence != null ) {
-                            float confidenceX = pos_x;
-                            if ( sb_str.length() > 0 ) {
-                                confidenceX += new TextLayout( sb_str, g.getFont(), _frc ).getBounds().getWidth()
-                                        + CONFIDENCE_LEFT_MARGIN;
-                            }
-                            if ( confidenceX > linePosX ) { // let's only display confidence value if we are already displaying at least one of Prot/Gene Name and Taxonomy Code 
-                                final int confidenceWidth = ( int ) new TextLayout( sConfidence, g.getFont(), _frc )
-                                        .getBounds().getWidth();
-                                TreePanel.drawString( sConfidence, confidenceX, pos_y, g );
-                                x += CONFIDENCE_LEFT_MARGIN + confidenceWidth;
-                            }
-                        }
-                        if ( ( x + nodeTextBoundsWidth ) > 0 ) /* we only underline if there is something displayed */
-                        {
-                            if ( nodeTextBoundsWidth == 0 ) {
-                                nodeTextBoundsWidth -= 3; /* the gap between taxonomy code and node name should not be underlined if nothing comes after it */
-                            }
-                            else {
-                                nodeTextBoundsWidth += 2;
-                            }
-                            g.drawLine( ( int ) linePosX + 1, 3 + ( int ) pos_y, ( int ) linePosX + x
-                                    + nodeTextBoundsWidth, 3 + ( int ) pos_y );
-                            break;
-                        }
+        }
+        if ( getFoundNodes1() != null ) {
+            for( final Long id : getFoundNodes1() ) {
+                if ( ( getFoundNodes0() == null ) || !getFoundNodes0().contains( id ) ) {
+                    final PhylogenyNode n = _phylogeny.getNode( id );
+                    if ( n != null ) {
+                        additional_nodes.add( n );
                     }
                 }
             }
         }
-        if ( sb_str.length() > 0 ) {
-            TreePanel.drawString( sb_str, pos_x, pos_y, g );
+        return additional_nodes;
+    }
+
+    final Color getGraphicsForNodeBoxWithColorForParentBranch( final PhylogenyNode node ) {
+        if ( getControlPanel().isUseVisualStyles() && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
+            return ( PhylogenyMethods.getBranchColorValue( node ) );
         }
-        // GUILHEM_END _____________
-        if ( _sb.length() > 0 ) {
-            if ( !using_visual_font && !is_in_found_nodes ) {
-                x += getFontMetricsForLargeDefaultFont().stringWidth( _sb.toString() ) + 5;
-            }
-            else {
-                x += getFontMetrics( g.getFont() ).stringWidth( _sb.toString() ) + 5;
-            }
+        else {
+            return ( getTreeColorSet().getBranchColor() );
         }
-        if ( getControlPanel().isShowAnnotation() && node.getNodeData().isHasSequence()
-                && ( node.getNodeData().getSequence().getAnnotations() != null )
-                && ( !node.getNodeData().getSequence().getAnnotations().isEmpty() ) ) {
-            final SortedSet<Annotation> ann = node.getNodeData().getSequence().getAnnotations();
-            if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-                g.setColor( Color.BLACK );
-            }
-            else if ( getControlPanel().isColorAccordingToAnnotation() ) {
-                g.setColor( calculateColorForAnnotation( ann ) );
-            }
-            final String ann_str = TreePanelUtil.createAnnotationString( ann, getOptions().isShowAnnotationRefSource() );
-            TreePanel.drawString( ann_str, node.getXcoord() + x + 3 + half_box_size, node.getYcoord()
-                    + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ), g );
-            _sb.setLength( 0 );
-            _sb.append( ann_str );
-            if ( _sb.length() > 0 ) {
-                if ( !using_visual_font && !is_in_found_nodes ) {
-                    x += getFontMetricsForLargeDefaultFont().stringWidth( _sb.toString() ) + 5;
-                }
-                else {
-                    x += getFontMetrics( g.getFont() ).stringWidth( _sb.toString() ) + 5;
-                }
-            }
+    }
+
+    final int getLongestExtNodeInfo() {
+        return _longest_ext_node_info;
+    }
+
+    final Options getOptions() {
+        if ( _options == null ) {
+            _options = getControlPanel().getOptions();
+        }
+        return _options;
+    }
+
+    final Rectangle2D getOvRectangle() {
+        return _ov_rectangle;
+    }
+
+    final Rectangle getOvVirtualRectangle() {
+        return _ov_virtual_rectangle;
+    }
+
+    final PHYLOGENY_GRAPHICS_TYPE getPhylogenyGraphicsType() {
+        return _graphics_type;
+    }
+
+    final Color getSequenceBasedColor( final PhylogenyNode node ) {
+        if ( node.getNodeData().isHasSequence() ) {
+            return calculateSequenceBasedColor( node.getNodeData().getSequence() );
         }
-        if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
-                || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE )
-                || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED ) ) {
-            if ( ( getControlPanel().isShowBinaryCharacters() || getControlPanel().isShowBinaryCharacterCounts() )
-                    && node.getNodeData().isHasBinaryCharacters() ) {
-                if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-                    g.setColor( Color.BLACK );
-                }
-                else {
-                    g.setColor( getTreeColorSet().getBinaryDomainCombinationsColor() );
-                }
-                if ( getControlPanel().isShowBinaryCharacters() ) {
-                    TreePanel.drawString( node.getNodeData().getBinaryCharacters().getPresentCharactersAsStringBuffer()
-                            .toString(), node.getXcoord() + x + 1 + half_box_size, node.getYcoord()
-                            + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ), g );
-                    paintGainedAndLostCharacters( g, node, node.getNodeData().getBinaryCharacters()
-                            .getGainedCharactersAsStringBuffer().toString(), node.getNodeData().getBinaryCharacters()
-                            .getLostCharactersAsStringBuffer().toString() );
-                }
-                else {
-                    TreePanel
-                            .drawString( " " + node.getNodeData().getBinaryCharacters().getPresentCount(),
-                                         node.getXcoord() + x + 4 + half_box_size,
-                                         node.getYcoord()
-                                                 + ( getFontMetricsForLargeDefaultFont().getAscent() / down_shift_factor ),
-                                         g );
-                    paintGainedAndLostCharacters( g, node, "+"
-                            + node.getNodeData().getBinaryCharacters().getGainedCount(), "-"
-                            + node.getNodeData().getBinaryCharacters().getLostCount() );
-                }
-            }
+        // return non-colorized color
+        return getTreeColorSet().getSequenceColor();
+    }
+
+    final double getStartingAngle() {
+        return _urt_starting_angle;
+    }
+
+    DescriptiveStatistics getStatisticsForExpressionValues() {
+        return _statistics_for_vector_data;
+    }
+
+    final Color getTaxonomyBasedColor( final PhylogenyNode node ) {
+        if ( node.isExternal() && node.getNodeData().isHasTaxonomy() ) {
+            return calculateTaxonomyBasedColor( node.getNodeData().getTaxonomy() );
         }
-        return x;
+        // return non-colorized color
+        return getTreeColorSet().getTaxonomyColor();
     }
 
-    final private void paintNodeDataUnrootedCirc( final Graphics2D g,
-                                                  final PhylogenyNode node,
-                                                  final boolean to_pdf,
-                                                  final boolean to_graphics_file,
-                                                  final boolean radial_labels,
-                                                  final double ur_angle,
-                                                  final boolean is_in_found_nodes ) {
-        if ( isNodeDataInvisibleUnrootedCirc( node ) && !to_graphics_file && !to_pdf ) {
+    public final File getTreeFile() {
+        return _treefile;
+    }
+
+    final float getXcorrectionFactor() {
+        return _x_correction_factor;
+    }
+
+    final float getXdistance() {
+        return _x_distance;
+    }
+
+    final float getYdistance() {
+        return _y_distance;
+    }
+
+    final void increaseDomainStructureEvalueThresholdExp() {
+        if ( _domain_structure_e_value_thr_exp < 3 ) {
+            _domain_structure_e_value_thr_exp += 1;
+        }
+    }
+
+    final void initNodeData() {
+        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
             return;
         }
-        _sb.setLength( 0 );
-        _sb.append( " " );
-        if ( node.getNodeData().isHasTaxonomy()
-                && ( getControlPanel().isShowTaxonomyCode() || getControlPanel().isShowTaxonomyScientificNames() || getControlPanel()
-                        .isShowTaxonomyCommonNames() ) ) {
-            final Taxonomy taxonomy = node.getNodeData().getTaxonomy();
-            if ( _control_panel.isShowTaxonomyCode() && !ForesterUtil.isEmpty( taxonomy.getTaxonomyCode() ) ) {
-                _sb.append( taxonomy.getTaxonomyCode() );
-                _sb.append( " " );
-            }
-            if ( _control_panel.isShowTaxonomyScientificNames() && _control_panel.isShowTaxonomyCommonNames() ) {
-                if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() )
-                        && !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                    _sb.append( taxonomy.getScientificName() );
-                    _sb.append( " (" );
-                    _sb.append( taxonomy.getCommonName() );
-                    _sb.append( ") " );
-                }
-                else if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
-                    _sb.append( taxonomy.getScientificName() );
-                    _sb.append( " " );
+        double _max_original_domain_structure_width = 0.0;
+        for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
+            if ( node.getNodeData().isHasSequence()
+                    && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
+                RenderableDomainArchitecture rds = null;
+                if ( !( node.getNodeData().getSequence()
+                        .getDomainArchitecture() instanceof RenderableDomainArchitecture ) ) {
+                    if ( SPECIAL_DOMAIN_COLORING ) {
+                        rds = new RenderableDomainArchitecture( node.getNodeData().getSequence()
+                                .getDomainArchitecture(), node.getName() );
+                    }
+                    else {
+                        rds = new RenderableDomainArchitecture( node.getNodeData().getSequence()
+                                .getDomainArchitecture() );
+                    }
+                    node.getNodeData().getSequence().setDomainArchitecture( rds );
                 }
-                else if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                    _sb.append( taxonomy.getCommonName() );
-                    _sb.append( " " );
+                else {
+                    rds = ( RenderableDomainArchitecture ) node.getNodeData().getSequence().getDomainArchitecture();
                 }
-            }
-            else if ( _control_panel.isShowTaxonomyScientificNames() ) {
-                if ( !ForesterUtil.isEmpty( taxonomy.getScientificName() ) ) {
-                    _sb.append( taxonomy.getScientificName() );
-                    _sb.append( " " );
+                if ( getControlPanel().isShowDomainArchitectures() ) {
+                    final double dsw = rds.getOriginalSize().getWidth();
+                    if ( dsw > _max_original_domain_structure_width ) {
+                        _max_original_domain_structure_width = dsw;
+                    }
                 }
             }
-            else if ( _control_panel.isShowTaxonomyCommonNames() ) {
-                if ( !ForesterUtil.isEmpty( taxonomy.getCommonName() ) ) {
-                    _sb.append( taxonomy.getCommonName() );
-                    _sb.append( " " );
+        }
+        if ( getControlPanel().isShowDomainArchitectures() ) {
+            final float ds_factor_width = ( float ) ( _domain_structure_width / _max_original_domain_structure_width );
+            for( final PhylogenyNode node : _phylogeny.getExternalNodes() ) {
+                if ( node.getNodeData().isHasSequence()
+                        && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
+                    final RenderableDomainArchitecture rds = ( RenderableDomainArchitecture ) node.getNodeData()
+                            .getSequence().getDomainArchitecture();
+                    rds.setRenderingFactorWidth( ds_factor_width );
+                    rds.setParameter( _domain_structure_e_value_thr_exp );
                 }
             }
         }
-        if ( node.isCollapse() && ( ( !node.isRoot() && !node.getParent().isCollapse() ) || node.isRoot() ) ) {
-            _sb.append( " [" );
-            _sb.append( node.getAllExternalDescendants().size() );
-            _sb.append( "]" );
+    }
+
+    final boolean inOv( final MouseEvent e ) {
+        return ( ( e.getX() > ( getVisibleRect().x + getOvXPosition() + 1 ) )
+                && ( e.getX() < ( ( getVisibleRect().x + getOvXPosition() + getOvMaxWidth() ) - 1 ) )
+                && ( e.getY() > ( getVisibleRect().y + getOvYPosition() + 1 ) )
+                && ( e.getY() < ( ( getVisibleRect().y + getOvYPosition() + getOvMaxHeight() ) - 1 ) ) );
+    }
+
+    final boolean inOvRectangle( final MouseEvent e ) {
+        return ( ( e.getX() >= ( getOvRectangle().getX() - 1 ) )
+                && ( e.getX() <= ( getOvRectangle().getX() + getOvRectangle().getWidth() + 1 ) )
+                && ( e.getY() >= ( getOvRectangle().getY() - 1 ) )
+                && ( e.getY() <= ( getOvRectangle().getY() + getOvRectangle().getHeight() + 1 ) ) );
+    }
+
+    final boolean isCanCollapse() {
+        return ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+    }
+
+    final boolean isCanUncollapseAll( final PhylogenyNode node ) {
+        if ( node.isExternal() || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) ) {
+            return false;
         }
-        if ( getControlPanel().isShowNodeNames() && ( node.getName().length() > 0 ) ) {
-            if ( _sb.length() > 0 ) {
-                _sb.append( " " );
-            }
-            _sb.append( node.getName() );
+        if ( node.isCollapse() ) {
+            return true;
         }
-        if ( node.getNodeData().isHasSequence() ) {
-            if ( getControlPanel().isShowSequenceAcc() && ( node.getNodeData().getSequence().getAccession() != null ) ) {
-                if ( _sb.length() > 0 ) {
-                    _sb.append( " " );
-                }
-                if ( !ForesterUtil.isEmpty( node.getNodeData().getSequence().getAccession().getSource() ) ) {
-                    _sb.append( node.getNodeData().getSequence().getAccession().getSource() );
-                    _sb.append( ":" );
-                }
-                _sb.append( node.getNodeData().getSequence().getAccession().getValue() );
-            }
-            if ( getControlPanel().isShowSeqNames() && ( node.getNodeData().getSequence().getName().length() > 0 ) ) {
-                if ( _sb.length() > 0 ) {
-                    _sb.append( " " );
-                }
-                _sb.append( node.getNodeData().getSequence().getName() );
+        final PhylogenyNodeIterator it = new PreorderTreeIterator( node );
+        while ( it.hasNext() ) {
+            if ( it.next().isCollapse() ) {
+                return true;
             }
         }
-        //g.setFont( getTreeFontSet().getLargeFont() );
-        //if ( is_in_found_nodes ) {
-        //    g.setFont( getTreeFontSet().getLargeFont().deriveFont( Font.BOLD ) );
-        // }
-        if ( _sb.length() > 1 ) {
-            setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getSequenceColor() );
-            final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
-            final String sb_str = _sb.toString();
-            double m = 0;
-            if ( _graphics_type == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
-                m = _urt_nodeid_angle_map.get( node.getId() ) % TWO_PI;
+        return false;
+    }
+
+    final boolean isCanColorSubtree() {
+        return ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+    }
+
+    final boolean isCanCopy() {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable() );
+    }
+
+    final boolean isCanCut( final PhylogenyNode node ) {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable()
+                && !node.isRoot() );
+    }
+
+    final boolean isCanDelete() {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable() );
+    }
+
+    final boolean isCanPaste() {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && getOptions().isEditable()
+                && ( getCutOrCopiedTree() != null ) && !getCutOrCopiedTree().isEmpty() );
+    }
+
+    final boolean isCanReroot() {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && ( _subtree_index < 1 ) );
+    }
+
+    final boolean isCanSubtree( final PhylogenyNode node ) {
+        return ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) && !node.isExternal()
+                && ( !node.isRoot() || ( _subtree_index > 0 ) ) );
+    }
+
+    public final boolean isCurrentTreeIsSubtree() {
+        return ( _subtree_index > 0 );
+    }
+
+    final boolean isEdited() {
+        return _edited;
+    }
+
+    final boolean isInOvRect() {
+        return _in_ov_rect;
+    }
+
+    final boolean isOvOn() {
+        return _ov_on;
+    }
+
+    final boolean isPhyHasBranchLengths() {
+        return _phy_has_branch_lengths;
+    }
+
+    final void midpointRoot() {
+        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
+            return;
+        }
+        if ( !_phylogeny.isRerootable() ) {
+            JOptionPane.showMessageDialog( this,
+                                           "This is not rerootable",
+                                           "Not rerootable",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
+        }
+        setNodeInPreorderToNull();
+        setWaitCursor();
+        PhylogenyMethods.midpointRoot( _phylogeny );
+        resetNodeIdToDistToLeafMap();
+        setArrowCursor();
+        setEdited( true );
+        repaint();
+    }
+
+    final void mouseClicked( final MouseEvent e ) {
+        if ( getOptions().isShowOverview() && isOvOn() && isInOv() ) {
+            final double w_ratio = getVisibleRect().width / getOvRectangle().getWidth();
+            final double h_ratio = getVisibleRect().height / getOvRectangle().getHeight();
+            double x = ( e.getX() - getVisibleRect().x - getOvXPosition() - ( getOvRectangle().getWidth() / 2.0 ) )
+                    * w_ratio;
+            double y = ( e.getY() - getVisibleRect().y - getOvYPosition() - ( getOvRectangle().getHeight() / 2.0 ) )
+                    * h_ratio;
+            if ( x < 0 ) {
+                x = 0;
             }
-            else {
-                m = ( float ) ( ur_angle % TWO_PI );
+            if ( y < 0 ) {
+                y = 0;
             }
-            _at = g.getTransform();
-            boolean need_to_reset = false;
-            final float x_coord = node.getXcoord();
-            float y_coord;
-            if ( !using_visual_font ) {
-                y_coord = node.getYcoord() + ( getFontMetricsForLargeDefaultFont().getAscent() / 3.0f );
+            final double max_x = getWidth() - getVisibleRect().width;
+            final double max_y = getHeight() - getVisibleRect().height;
+            if ( x > max_x ) {
+                x = max_x;
             }
-            else {
-                y_coord = node.getYcoord() + ( getFontMetrics( g.getFont() ).getAscent() / 3.0f );
+            if ( y > max_y ) {
+                y = max_y;
             }
-            if ( radial_labels ) {
-                need_to_reset = true;
-                boolean left = false;
-                if ( ( m > HALF_PI ) && ( m < ONEHALF_PI ) ) {
-                    m -= PI;
-                    left = true;
+            getMainPanel().getCurrentScrollPane().getViewport()
+                    .setViewPosition( new Point( ForesterUtil.roundToInt( x ), ForesterUtil.roundToInt( y ) ) );
+            setInOvRect( true );
+            repaint();
+        }
+        else {
+            final PhylogenyNode node = findNode( e.getX(), e.getY() );
+            if ( node != null ) {
+                if ( !node.isRoot() && node.getParent().isCollapse() ) {
+                    return;
                 }
-                g.rotate( m, x_coord, node.getYcoord() );
-                if ( left ) {
-                    if ( !using_visual_font ) {
-                        g.translate( -( getFontMetricsForLargeDefaultFont().getStringBounds( sb_str, g ).getWidth() ),
-                                     0 );
-                    }
-                    else {
-                        g.translate( -( getFontMetrics( g.getFont() ).getStringBounds( sb_str, g ).getWidth() ), 0 );
+                _highlight_node = node;
+                // Check if shift key is down
+                if ( ( e.getModifiers() & InputEvent.SHIFT_MASK ) != 0 ) {
+                    // Yes, so add to _found_nodes
+                    if ( getFoundNodes0() == null ) {
+                        setFoundNodes0( new HashSet<Long>() );
                     }
+                    getFoundNodes0().add( node.getId() );
+                    // Check if control key is down
                 }
-            }
-            else {
-                if ( ( m > HALF_PI ) && ( m < ONEHALF_PI ) ) {
-                    need_to_reset = true;
-                    if ( !using_visual_font ) {
-                        g.translate( -getFontMetricsForLargeDefaultFont().getStringBounds( sb_str, g ).getWidth(), 0 );
+                else if ( ( e.getModifiers() & InputEvent.CTRL_MASK ) != 0 ) {
+                    // Yes, so pop-up menu
+                    displayNodePopupMenu( node, e.getX(), e.getY() );
+                    // Handle unadorned click
+                }
+                else {
+                    // Check for right mouse button
+                    if ( e.getModifiers() == 4 ) {
+                        displayNodePopupMenu( node, e.getX(), e.getY() );
                     }
                     else {
-                        g.translate( -getFontMetrics( g.getFont() ).getStringBounds( sb_str, g ).getWidth(), 0 );
+                        // if not in _found_nodes, clear _found_nodes
+                        handleClickToAction( _control_panel.getActionWhenNodeClicked(), node );
                     }
                 }
             }
-            TreePanel.drawString( sb_str, x_coord, y_coord, g );
-            if ( need_to_reset ) {
-                g.setTransform( _at );
-            }
-        }
-    }
+            else {
+                // no node was clicked so partition tree instead
+                _highlight_node = null;
+                
+                _clicked_x = e.getX();
+                if (!getPhylogeny().isEmpty()) {
+
+                PhylogenyNode furthestNode = PhylogenyMethods.calculateNodeWithMaxDistanceToRoot( _phylogeny );
+                _furthest_node_x = furthestNode.getXcoord();
+                _root_x = _phylogeny.getRoot().getXcoord();
+                
+                // don't bother if 0 distance tree or clicked x lies outside of tree
+                if (_furthest_node_x != _root_x && !(_clicked_x < _root_x || _clicked_x > _furthest_node_x)) 
+                {
+                    _partition_tree = true;
 
-    final private void paintNodeLite( final Graphics2D g, final PhylogenyNode node ) {
-        if ( node.isCollapse() ) {
-            if ( !node.isRoot() && !node.getParent().isCollapse() ) {
-                paintCollapsedNode( g, node, false, false, false );
-            }
-            return;
-        }
-        if ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) ) {
-            g.setColor( getColorForFoundNode( node ) );
-            drawRectFilled( node.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF, node.getYSecondary()
-                    - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF, OVERVIEW_FOUND_NODE_BOX_SIZE, OVERVIEW_FOUND_NODE_BOX_SIZE, g );
-        }
-        float new_x = 0;
-        if ( !node.isExternal() && !node.isCollapse() ) {
-            boolean first_child = true;
-            float y2 = 0.0f;
-            final int parent_max_branch_to_leaf = getMaxBranchesToLeaf( node );
-            for( int i = 0; i < node.getNumberOfDescendants(); ++i ) {
-                final PhylogenyNode child_node = node.getChildNode( i );
-                int factor_x;
-                if ( !isUniformBranchLengthsForCladogram() ) {
-                    factor_x = node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes();
-                }
-                else {
-                    factor_x = parent_max_branch_to_leaf - getMaxBranchesToLeaf( child_node );
-                }
-                if ( first_child ) {
-                    first_child = false;
-                    y2 = node.getYSecondary()
-                            - ( getOvYDistance() * ( node.getNumberOfExternalNodes() - child_node
-                                    .getNumberOfExternalNodes() ) );
-                }
-                else {
-                    y2 += getOvYDistance() * child_node.getNumberOfExternalNodes();
                 }
-                final float x2 = calculateOvBranchLengthToParent( child_node, factor_x );
-                new_x = x2 + node.getXSecondary();
-                final float diff_y = node.getYSecondary() - y2;
-                final float diff_x = node.getXSecondary() - new_x;
-                if ( ( diff_y > 2 ) || ( diff_y < -2 ) || ( diff_x > 2 ) || ( diff_x < -2 ) ) {
-                    paintBranchLite( g, node.getXSecondary(), new_x, node.getYSecondary(), y2, child_node );
+
+
+        }
                 }
-                child_node.setXSecondary( new_x );
-                child_node.setYSecondary( y2 );
-                y2 += getOvYDistance() * child_node.getNumberOfExternalNodes();
             }
-        }
+        repaint();
     }
 
-    final private void paintNodeRectangular( final Graphics2D g,
-                                             final PhylogenyNode node,
-                                             final boolean to_pdf,
-                                             final boolean dynamically_hide,
-                                             final int dynamic_hiding_factor,
-                                             final boolean to_graphics_file ) {
-        final boolean is_in_found_nodes = isInFoundNodes( node ) || isInCurrentExternalNodes( node );
-        if ( node.isCollapse() ) {
-            if ( ( !node.isRoot() && !node.getParent().isCollapse() ) ) {
-                paintCollapsedNode( g, node, to_graphics_file, to_pdf, is_in_found_nodes );
+    final void mouseDragInBrowserPanel( final MouseEvent e ) {
+        setCursor( MOVE_CURSOR );
+        final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
+        scroll_position.x -= ( e.getX() - getLastDragPointX() );
+        scroll_position.y -= ( e.getY() - getLastDragPointY() );
+        if ( scroll_position.x < 0 ) {
+            scroll_position.x = 0;
+        }
+        else {
+            final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
+                    - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
+            if ( scroll_position.x > max_x ) {
+                scroll_position.x = max_x;
             }
-            return;
         }
-        if ( node.isExternal() ) {
-            ++_external_node_index;
+        if ( scroll_position.y < 0 ) {
+            scroll_position.y = 0;
         }
-        // Confidence values
-        if ( getControlPanel().isShowConfidenceValues()
-                && !node.isExternal()
-                && !node.isRoot()
-                && ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.ROUNDED )
-                        || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR ) || ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE ) )
-                && node.getBranchData().isHasConfidences() ) {
-            paintConfidenceValues( g, node, to_pdf, to_graphics_file );
+        else {
+            final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
+                    - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
+            if ( scroll_position.y > max_y ) {
+                scroll_position.y = max_y;
+            }
         }
-        // Draw a line to root:
-        if ( node.isRoot() && _phylogeny.isRooted() ) {
-            paintRootBranch( g, node.getXcoord(), node.getYcoord(), node, to_pdf, to_graphics_file );
+        if ( isOvOn() || getOptions().isShowScale() ) {
+            repaint();
         }
-        float new_x = 0;
-        float new_x_min = Float.MAX_VALUE;
-        final boolean disallow_shortcutting = dynamic_hiding_factor < 40;
-        float min_dist = 1.5f;
-        if ( !disallow_shortcutting ) {
-            //   System.out.println( dynamic_hiding_factor );
-            if ( dynamic_hiding_factor > 4000 ) {
-                min_dist = 4;
-            }
-            else if ( dynamic_hiding_factor > 1000 ) {
-                min_dist = 3;
-            }
-            else if ( dynamic_hiding_factor > 100 ) {
-                min_dist = 2;
-            }
+        getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
+    }
+
+    final void mouseDragInOvRectangle( final MouseEvent e ) {
+        setCursor( HAND_CURSOR );
+        final double w_ratio = getVisibleRect().width / getOvRectangle().getWidth();
+        final double h_ratio = getVisibleRect().height / getOvRectangle().getHeight();
+        final Point scroll_position = getMainPanel().getCurrentScrollPane().getViewport().getViewPosition();
+        double dx = ( ( w_ratio * e.getX() ) - ( w_ratio * getLastDragPointX() ) );
+        double dy = ( ( h_ratio * e.getY() ) - ( h_ratio * getLastDragPointY() ) );
+        scroll_position.x = ForesterUtil.roundToInt( scroll_position.x + dx );
+        scroll_position.y = ForesterUtil.roundToInt( scroll_position.y + dy );
+        if ( scroll_position.x <= 0 ) {
+            scroll_position.x = 0;
+            dx = 0;
         }
-        if ( !node.isExternal() && !node.isCollapse() ) {
-            boolean first_child = true;
-            float y2 = 0.0f;
-            final int parent_max_branch_to_leaf = getMaxBranchesToLeaf( node );
-            for( int i = 0; i < node.getNumberOfDescendants(); ++i ) {
-                final PhylogenyNode child_node = node.getChildNode( i );
-                int factor_x;
-                if ( !isUniformBranchLengthsForCladogram() ) {
-                    factor_x = node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes();
-                }
-                else {
-                    factor_x = parent_max_branch_to_leaf - getMaxBranchesToLeaf( child_node );
-                }
-                if ( first_child ) {
-                    first_child = false;
-                    y2 = node.getYcoord()
-                            - ( _y_distance * ( node.getNumberOfExternalNodes() - child_node.getNumberOfExternalNodes() ) );
-                }
-                else {
-                    y2 += _y_distance * child_node.getNumberOfExternalNodes();
-                }
-                final float x2 = calculateBranchLengthToParent( child_node, factor_x );
-                new_x = x2 + node.getXcoord();
-                if ( dynamically_hide && ( x2 < new_x_min ) ) {
-                    new_x_min = x2;
-                }
-                final float diff_y = node.getYcoord() - y2;
-                final float diff_x = node.getXcoord() - new_x;
-                if ( disallow_shortcutting || ( diff_y > min_dist ) || ( diff_y < -min_dist ) || ( diff_x > min_dist )
-                        || ( diff_x < -min_dist ) || to_graphics_file || to_pdf ) {
-                    paintBranchRectangular( g,
-                                            node.getXcoord(),
-                                            new_x,
-                                            node.getYcoord(),
-                                            y2,
-                                            child_node,
-                                            to_pdf,
-                                            to_graphics_file );
-                }
-                child_node.setXcoord( new_x );
-                child_node.setYcoord( y2 );
-                y2 += _y_distance * child_node.getNumberOfExternalNodes();
+        else {
+            final int max_x = getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getMaximum()
+                    - getMainPanel().getCurrentScrollPane().getHorizontalScrollBar().getVisibleAmount();
+            if ( scroll_position.x >= max_x ) {
+                dx = 0;
+                scroll_position.x = max_x;
             }
-            paintNodeBox( node.getXcoord(), node.getYcoord(), node, g, to_pdf, to_graphics_file );
         }
-        if ( dynamically_hide
-                && !is_in_found_nodes
-                && ( ( node.isExternal() && ( ( _external_node_index % dynamic_hiding_factor ) != 1 ) ) || ( !node
-                        .isExternal() && ( ( new_x_min < 20 ) || ( ( _y_distance * node.getNumberOfExternalNodes() ) < getFontMetricsForLargeDefaultFont()
-                        .getHeight() ) ) ) ) ) {
-            return;
+        if ( scroll_position.y <= 0 ) {
+            dy = 0;
+            scroll_position.y = 0;
         }
-        final int x = paintNodeData( g, node, to_graphics_file, to_pdf, is_in_found_nodes );
-        paintNodeWithRenderableData( x, g, node, to_graphics_file, to_pdf );
+        else {
+            final int max_y = getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getMaximum()
+                    - getMainPanel().getCurrentScrollPane().getVerticalScrollBar().getVisibleAmount();
+            if ( scroll_position.y >= max_y ) {
+                dy = 0;
+                scroll_position.y = max_y;
+            }
+        }
+        repaint();
+        getMainPanel().getCurrentScrollPane().getViewport().setViewPosition( scroll_position );
+        setLastMouseDragPointX( ( float ) ( e.getX() + dx ) );
+        setLastMouseDragPointY( ( float ) ( e.getY() + dy ) );
     }
 
-    final private void paintNodeWithRenderableData( final int x,
-                                                    final Graphics2D g,
-                                                    final PhylogenyNode node,
-                                                    final boolean to_graphics_file,
-                                                    final boolean to_pdf ) {
-        if ( isNodeDataInvisible( node ) && !to_graphics_file ) {
-            return;
+    final void mouseMoved( final MouseEvent e ) {
+        requestFocusInWindow();
+        if ( _current_external_nodes != null ) {
+            _current_external_nodes = null;
+            repaint();
         }
-        if ( ( !getControlPanel().isShowInternalData() && !node.isExternal() ) ) {
-            return;
+        if ( getControlPanel().isNodeDescPopup() ) {
+            if ( _node_desc_popup != null ) {
+                _node_desc_popup.hide();
+                _node_desc_popup = null;
+            }
         }
-        if ( getControlPanel().isShowDomainArchitectures() && node.getNodeData().isHasSequence()
-                && ( node.getNodeData().getSequence().getDomainArchitecture() != null ) ) {
-            RenderableDomainArchitecture rds = null;
-            if ( node.getNodeData().getSequence().getDomainArchitecture() instanceof RenderableDomainArchitecture ) {
-                try {
-                    rds = ( RenderableDomainArchitecture ) node.getNodeData().getSequence().getDomainArchitecture();
-                }
-                catch ( final ClassCastException cce ) {
-                    cce.printStackTrace();
+        if ( getOptions().isShowOverview() && isOvOn() ) {
+            if ( inOvVirtualRectangle( e ) ) {
+                if ( !isInOvRect() ) {
+                    setInOvRect( true );
+                    repaint();
                 }
-                if ( rds != null ) {
-                    rds.setRenderingHeight( 6 );
-                    rds.render( node.getXcoord() + x, node.getYcoord() - 3, g, this, to_pdf );
+            }
+            else {
+                if ( isInOvRect() ) {
+                    setInOvRect( false );
+                    repaint();
                 }
             }
         }
-        //////////////
-        if ( getControlPanel().isShowVectorData() && ( node.getNodeData().getVector() != null )
-                && ( node.getNodeData().getVector().size() > 0 ) && ( getStatisticsForExpressionValues() != null ) ) {
-            final RenderableVector rv = RenderableVector.createInstance( node.getNodeData().getVector(),
-                                                                         getStatisticsForExpressionValues(),
-                                                                         getConfiguration() );
-            if ( rv != null ) {
-                int xx = 0;
-                PhylogenyNode my_node = node;
-                if ( !getControlPanel().isDrawPhylogram() ) {
-                    my_node = getPhylogeny().getFirstExternalNode();
+        if ( inOv( e ) && getOptions().isShowOverview() && isOvOn() ) {
+            if ( !isInOv() ) {
+                setInOv( true );
+            }
+        }
+        else {
+            if ( isInOv() ) {
+                setInOv( false );
+            }
+            final PhylogenyNode node = findNode( e.getX(), e.getY() );
+            if ( ( node != null ) && ( node.isRoot() || !node.getParent().isCollapse() ) ) {
+                if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.GET_EXT_DESC_DATA ) ) {
+                    for( final PhylogenyNode n : node.getAllExternalDescendants() ) {
+                        addToCurrentExternalNodes( n.getId() );
+                    }
+                    setCursor( HAND_CURSOR );
+                    repaint();
                 }
-                if ( getControlPanel().isShowTaxonomyCode() && ( PhylogenyMethods.getSpecies( my_node ).length() > 0 ) ) {
-                    xx += getFontMetricsForLargeDefaultFont()
-                            .stringWidth( PhylogenyMethods.getSpecies( my_node ) + " " );
+                else if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.CUT_SUBTREE )
+                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.COPY_SUBTREE )
+                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.PASTE_SUBTREE )
+                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.DELETE_NODE_OR_SUBTREE )
+                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.REROOT )
+                        || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.ADD_NEW_NODE ) ) {
+                    setCursor( CUT_CURSOR );
                 }
-                if ( getControlPanel().isShowNodeNames() && ( my_node.getName().length() > 0 ) ) {
-                    xx += getFontMetricsForLargeDefaultFont().stringWidth( my_node.getName() + " " );
+                else {
+                    setCursor( HAND_CURSOR );
+                    if ( getControlPanel().isNodeDescPopup() ) {
+                        showNodeDataPopup( e, node );
+                    }
                 }
-                rv.render( my_node.getXcoord() + xx, node.getYcoord() - 5, g, this, to_pdf );
+            }
+            else {
+                setCursor( ARROW_CURSOR );
             }
         }
-        //////////////
     }
 
-    final private void paintOvRectangle( final Graphics2D g ) {
-        final float w_ratio = ( ( float ) getWidth() ) / getVisibleRect().width;
-        final float h_ratio = ( ( float ) getHeight() ) / getVisibleRect().height;
-        final float x_ratio = ( ( float ) getWidth() ) / getVisibleRect().x;
-        final float y_ratio = ( ( float ) getHeight() ) / getVisibleRect().y;
-        final float width = getOvMaxWidth() / w_ratio;
-        final float height = getOvMaxHeight() / h_ratio;
-        final float x = getVisibleRect().x + getOvXPosition() + ( getOvMaxWidth() / x_ratio );
-        final float y = getVisibleRect().y + getOvYPosition() + ( getOvMaxHeight() / y_ratio );
-        g.setColor( getTreeColorSet().getFoundColor0() );
-        getOvRectangle().setRect( x, y, width, height );
-        final Stroke s = g.getStroke();
-        g.setStroke( STROKE_1 );
-        if ( ( width < 6 ) && ( height < 6 ) ) {
-            drawRectFilled( x, y, 6, 6, g );
-            getOvVirtualRectangle().setRect( x, y, 6, 6 );
-        }
-        else if ( width < 6 ) {
-            drawRectFilled( x, y, 6, height, g );
-            getOvVirtualRectangle().setRect( x, y, 6, height );
-        }
-        else if ( height < 6 ) {
-            drawRectFilled( x, y, width, 6, g );
-            getOvVirtualRectangle().setRect( x, y, width, 6 );
-        }
-        else {
-            drawRect( x, y, width, height, g );
-            if ( isInOvRect() ) {
-                drawRect( x + 1, y + 1, width - 2, height - 2, g );
-            }
-            getOvVirtualRectangle().setRect( x, y, width, height );
-        }
-        g.setStroke( s );
+    final void mouseReleasedInBrowserPanel( final MouseEvent e ) {
+        setCursor( ARROW_CURSOR );
     }
 
-    final private void paintPhylogenyLite( final Graphics2D g ) {
-        _phylogeny
-                .getRoot()
-                .setXSecondary( ( float ) ( getVisibleRect().x + getOvXPosition() + ( MOVE / ( getVisibleRect().width / getOvRectangle()
-                        .getWidth() ) ) ) );
-        _phylogeny.getRoot().setYSecondary( ( getVisibleRect().y + getOvYStart() ) );
-        final Stroke s = g.getStroke();
-        g.setStroke( STROKE_05 );
-        for( final PhylogenyNode element : _nodes_in_preorder ) {
-            paintNodeLite( g, element );
-        }
-        g.setStroke( s );
-        paintOvRectangle( g );
+    final void multiplyUrtFactor( final float f ) {
+        _urt_factor *= f;
     }
 
-    /**
-     * Paint the root branch. (Differs from others because it will always be a
-     * single horizontal line).
-     * @param to_graphics_file 
-     * 
-     * @return new x1 value
-     */
-    final private void paintRootBranch( final Graphics2D g,
-                                        final float x1,
-                                        final float y1,
-                                        final PhylogenyNode root,
-                                        final boolean to_pdf,
-                                        final boolean to_graphics_file ) {
-        assignGraphicsForBranchWithColorForParentBranch( root, false, g, to_pdf, to_graphics_file );
-        float d = getXdistance();
-        if ( getControlPanel().isDrawPhylogram() && ( root.getDistanceToParent() > 0.0 ) ) {
-            d = ( float ) ( getXcorrectionFactor() * root.getDistanceToParent() );
+    final void paintBranchCircular( final PhylogenyNode p,
+                                    final PhylogenyNode c,
+                                    final Graphics2D g,
+                                    final boolean radial_labels,
+                                    final boolean to_pdf,
+                                    final boolean to_graphics_file ) {
+        final double angle = _urt_nodeid_angle_map.get( c.getId() );
+        final double root_x = _root.getXcoord();
+        final double root_y = _root.getYcoord();
+        final double dx = root_x - p.getXcoord();
+        final double dy = root_y - p.getYcoord();
+        final double parent_radius = Math.sqrt( ( dx * dx ) + ( dy * dy ) );
+        final double arc = ( _urt_nodeid_angle_map.get( p.getId() ) ) - angle;
+        assignGraphicsForBranchWithColorForParentBranch( c, false, g, to_pdf, to_graphics_file );
+        if ( ( c.isFirstChildNode() || c.isLastChildNode() )
+                && ( ( Math.abs( parent_radius * arc ) > 1.5 ) || to_pdf || to_graphics_file ) ) {
+            final double r2 = 2.0 * parent_radius;
+            drawArc( root_x - parent_radius, root_y - parent_radius, r2, r2, ( -angle - arc ), arc, g );
         }
-        if ( d < MIN_ROOT_LENGTH ) {
-            d = MIN_ROOT_LENGTH;
+        drawLine( c.getXcoord(),
+                  c.getYcoord(),
+                  root_x + ( Math.cos( angle ) * parent_radius ),
+                  root_y + ( Math.sin( angle ) * parent_radius ),
+                  g );
+        paintNodeBox( c.getXcoord(), c.getYcoord(), c, g, to_pdf, to_graphics_file );
+        if ( c.isExternal() ) {
+            final boolean is_in_found_nodes = isInFoundNodes0( c ) || isInFoundNodes1( c )
+                    || isInCurrentExternalNodes( c );
+            if ( ( _dynamic_hiding_factor > 1 ) && !is_in_found_nodes
+                    && ( ( _urt_nodeid_index_map.get( c.getId() ) % _dynamic_hiding_factor ) != 1 ) ) {
+                return;
+            }
+            paintNodeDataUnrootedCirc( g, c, to_pdf, to_graphics_file, radial_labels, 0, is_in_found_nodes );
         }
-        if ( !getControlPanel().isWidthBranches() || ( PhylogenyMethods.getBranchWidthValue( root ) == 1 ) ) {
-            drawLine( x1 - d, root.getYcoord(), x1, root.getYcoord(), g );
+    }
+
+    final void paintBranchCircularLite( final PhylogenyNode p, final PhylogenyNode c, final Graphics2D g ) {
+        final double angle = _urt_nodeid_angle_map.get( c.getId() );
+        final double root_x = _root.getXSecondary();
+        final double root_y = _root.getYSecondary();
+        final double dx = root_x - p.getXSecondary();
+        final double dy = root_y - p.getYSecondary();
+        final double arc = ( _urt_nodeid_angle_map.get( p.getId() ) ) - angle;
+        final double parent_radius = Math.sqrt( ( dx * dx ) + ( dy * dy ) );
+        g.setColor( getTreeColorSet().getOvColor() );
+        if ( ( c.isFirstChildNode() || c.isLastChildNode() ) && ( Math.abs( arc ) > 0.02 ) ) {
+            final double r2 = 2.0 * parent_radius;
+            drawArc( root_x - parent_radius, root_y - parent_radius, r2, r2, ( -angle - arc ), arc, g );
         }
-        else {
-            final double w = PhylogenyMethods.getBranchWidthValue( root );
-            drawRectFilled( x1 - d, root.getYcoord() - ( w / 2 ), d, w, g );
+        drawLine( c.getXSecondary(),
+                  c.getYSecondary(),
+                  root_x + ( Math.cos( angle ) * parent_radius ),
+                  root_y + ( Math.sin( angle ) * parent_radius ),
+                  g );
+        if ( isInFoundNodes( c ) || isInCurrentExternalNodes( c ) ) {
+            g.setColor( getColorForFoundNode( c ) );
+            drawRectFilled( c.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                            c.getYSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
+                            OVERVIEW_FOUND_NODE_BOX_SIZE,
+                            OVERVIEW_FOUND_NODE_BOX_SIZE,
+                            g );
         }
-        paintNodeBox( x1, root.getYcoord(), root, g, to_pdf, to_graphics_file );
     }
 
-    final private void paintScale( final Graphics2D g,
-                                   int x1,
-                                   int y1,
-                                   final boolean to_pdf,
-                                   final boolean to_graphics_file ) {
-        x1 += MOVE;
-        final double x2 = x1 + ( getScaleDistance() * getXcorrectionFactor() );
-        y1 -= 12;
-        final int y2 = y1 - 8;
-        final int y3 = y1 - 4;
-        g.setFont( getTreeFontSet().getSmallFont() );
-        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-            g.setColor( Color.BLACK );
-        }
-        else {
-            g.setColor( getTreeColorSet().getBranchLengthColor() );
+    final void paintCircular( final Phylogeny phy,
+                              final double starting_angle,
+                              final int center_x,
+                              final int center_y,
+                              final int radius,
+                              final Graphics2D g,
+                              final boolean to_pdf,
+                              final boolean to_graphics_file ) {
+        final int circ_num_ext_nodes = phy.getNumberOfExternalNodes() - _collapsed_external_nodeid_set.size();
+        System.out.println( "# collapsed external = " + _collapsed_external_nodeid_set.size() );
+        _root = phy.getRoot();
+        _root.setXcoord( center_x );
+        _root.setYcoord( center_y );
+        final boolean radial_labels = getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.RADIAL;
+        double current_angle = starting_angle;
+        int i = 0;
+        for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
+            final PhylogenyNode n = it.next();
+            if ( !n.isCollapse() ) {
+                n.setXcoord( ( float ) ( center_x + ( radius * Math.cos( current_angle ) ) ) );
+                n.setYcoord( ( float ) ( center_y + ( radius * Math.sin( current_angle ) ) ) );
+                _urt_nodeid_angle_map.put( n.getId(), current_angle );
+                _urt_nodeid_index_map.put( n.getId(), i++ );
+                current_angle += ( TWO_PI / circ_num_ext_nodes );
+            }
+            else {
+                //TODO remove me
+                System.out.println( "is collapse" + n.getName() );
+            }
         }
-        final Stroke s = g.getStroke();
-        g.setStroke( STROKE_1 );
-        drawLine( x1, y1, x1, y2, g );
-        drawLine( x2, y1, x2, y2, g );
-        drawLine( x1, y3, x2, y3, g );
-        if ( getScaleLabel() != null ) {
-            g.drawString( getScaleLabel(), ( x1 + 2 ), y3 - 2 );
+        paintCirculars( phy.getRoot(), phy, center_x, center_y, radius, radial_labels, g, to_pdf, to_graphics_file );
+        paintNodeBox( _root.getXcoord(), _root.getYcoord(), _root, g, to_pdf, to_graphics_file );
+    }
+
+    final void paintCircularLite( final Phylogeny phy,
+                                  final double starting_angle,
+                                  final int center_x,
+                                  final int center_y,
+                                  final int radius,
+                                  final Graphics2D g ) {
+        final int circ_num_ext_nodes = phy.getNumberOfExternalNodes();
+        _root = phy.getRoot();
+        _root.setXSecondary( center_x );
+        _root.setYSecondary( center_y );
+        double current_angle = starting_angle;
+        for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
+            final PhylogenyNode n = it.next();
+            n.setXSecondary( ( float ) ( center_x + ( radius * Math.cos( current_angle ) ) ) );
+            n.setYSecondary( ( float ) ( center_y + ( radius * Math.sin( current_angle ) ) ) );
+            _urt_nodeid_angle_map.put( n.getId(), current_angle );
+            current_angle += ( TWO_PI / circ_num_ext_nodes );
         }
-        g.setStroke( s );
+        paintCircularsLite( phy.getRoot(), phy, center_x, center_y, radius, g );
     }
 
-    final private int paintTaxonomy( final Graphics2D g,
-                                     final PhylogenyNode node,
-                                     final boolean is_in_found_nodes,
-                                     final boolean to_pdf,
-                                     final boolean to_graphics_file,
-                                     final float x_shift ) {
-        final Taxonomy taxonomy = node.getNodeData().getTaxonomy();
-        final boolean using_visual_font = setFont( g, node, is_in_found_nodes );
-        setColor( g, node, to_graphics_file, to_pdf, is_in_found_nodes, getTreeColorSet().getTaxonomyColor() );
-        final float start_x = node.getXcoord() + 3 + ( getOptions().getDefaultNodeShapeSize() / 2 ) + x_shift;
-        float start_y;
-        if ( !using_visual_font ) {
-            start_y = node.getYcoord()
-                    + ( getFontMetricsForLargeDefaultFont().getAscent() / ( node.getNumberOfDescendants() == 1 ? 1
-                            : 3.0f ) );
-        }
-        else {
-            start_y = node.getYcoord()
-                    + ( getFontMetrics( g.getFont() ).getAscent() / ( node.getNumberOfDescendants() == 1 ? 1 : 3.0f ) );
-        }
-        _sb.setLength( 0 );
-        nodeTaxonomyDataAsSB( taxonomy, _sb );
-        final String label = _sb.toString();
-        /* GUILHEM_BEG */
-        if ( _control_panel.isShowSequenceRelations() && ( label.length() > 0 )
-                && ( node.getNodeData().isHasSequence() ) && node.getNodeData().getSequence().equals( _query_sequence ) ) {
-            // invert font color and background color to show that this is the query sequence
-            final Rectangle2D nodeTextBounds = new TextLayout( label, g.getFont(), new FontRenderContext( null,
-                                                                                                          false,
-                                                                                                          false ) )
-                    .getBounds();
-            g.fillRect( ( int ) start_x - 1, ( int ) start_y - 8, ( int ) nodeTextBounds.getWidth() + 4, 11 );
-            g.setColor( getTreeColorSet().getBackgroundColor() );
-        }
-        /* GUILHEM_END */
-        TreePanel.drawString( label, start_x, start_y, g );
-        if ( !using_visual_font && !is_in_found_nodes ) {
-            return getFontMetricsForLargeDefaultFont().stringWidth( label );
-        }
-        return getFontMetrics( g.getFont() ).stringWidth( label );
+    public final void paintFile( final Graphics2D g,
+                                 final boolean to_pdf,
+                                 final int graphics_file_width,
+                                 final int graphics_file_height,
+                                 final int graphics_file_x,
+                                 final int graphics_file_y ) {
+        paintPhylogeny(g,to_pdf,true,graphics_file_width,graphics_file_height,graphics_file_x,graphics_file_y);
     }
+    final void paintPhylogeny( final Graphics2D g,
+                               final boolean to_pdf,
+                               final boolean to_graphics_file,
+                               final int graphics_file_width,
+                               final int graphics_file_height,
+                               final int graphics_file_x,
+                               final int graphics_file_y ) {
 
-    final private void paintUnrooted( final PhylogenyNode n,
-                                      final double low_angle,
-                                      final double high_angle,
-                                      final boolean radial_labels,
-                                      final Graphics2D g,
-                                      final boolean to_pdf,
-                                      final boolean to_graphics_file ) {
-        if ( n.isRoot() ) {
-            n.setXcoord( getWidth() / 2 );
-            n.setYcoord( getHeight() / 2 );
-        }
-        if ( n.isExternal() ) {
-            paintNodeDataUnrootedCirc( g,
-                                       n,
-                                       to_pdf,
-                                       to_graphics_file,
-                                       radial_labels,
-                                       ( high_angle + low_angle ) / 2,
-                                       isInFoundNodes( n ) || isInCurrentExternalNodes( n ) );
+        if ( ( _phylogeny == null ) || _phylogeny.isEmpty() ) {
             return;
         }
-        final float num_enclosed = n.getNumberOfExternalNodes();
-        final float x = n.getXcoord();
-        final float y = n.getYcoord();
-        double current_angle = low_angle;
-        // final boolean n_below = n.getYcoord() < getVisibleRect().getMinY() - 20;
-        // final boolean n_above = n.getYcoord() > getVisibleRect().getMaxY() + 20;
-        // final boolean n_left = n.getXcoord() < getVisibleRect().getMinX() - 20;
-        // final boolean n_right = n.getXcoord() > getVisibleRect().getMaxX() + 20;
-        for( int i = 0; i < n.getNumberOfDescendants(); ++i ) {
-            final PhylogenyNode desc = n.getChildNode( i );
-            ///  if ( ( ( n_below ) & ( desc.getYcoord() < getVisibleRect().getMinY() - 20 ) )
-            //          || ( ( n_above ) & ( desc.getYcoord() > getVisibleRect().getMaxY() + 20 ) )
-            //         || ( ( n_left ) & ( desc.getXcoord() < getVisibleRect().getMinX() - 20 ) )
-            //          || ( ( n_right ) & ( desc.getXcoord() > getVisibleRect().getMaxX() + 20 ) ) ) {
-            //     continue;
-            // }
-            //if ( ( desc.getYcoord() > n.getYcoord() ) && ( n.getYcoord() > getVisibleRect().getMaxY() - 20 ) ) {
-            //    continue;
-            //}
-            //if ( ( desc.getYcoord() < n.getYcoord() ) && ( n.getYcoord() < getVisibleRect().getMinY() + 20 ) ) {
-            //    continue;
-            // }
-            final int desc_num_enclosed = desc.getNumberOfExternalNodes();
-            final double arc_size = ( desc_num_enclosed / num_enclosed ) * ( high_angle - low_angle );
-            float length;
-            if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
-                if ( desc.getDistanceToParent() < 0 ) {
-                    length = 0;
+        if ( _control_panel.isShowSequenceRelations() ) {
+            _query_sequence = _control_panel.getSelectedQuerySequence();
+        }
+        // Color the background
+        if ( !to_pdf ) {
+            final Rectangle r = getVisibleRect();
+            if ( !getOptions().isBackgroundColorGradient() || getOptions().isPrintBlackAndWhite() ) {
+                g.setColor( getTreeColorSet().getBackgroundColor() );
+                if ( !to_graphics_file ) {
+                    g.fill( r );
                 }
                 else {
-                    length = ( float ) ( desc.getDistanceToParent() * getUrtFactor() );
+                    if ( getOptions().isPrintBlackAndWhite() ) {
+                        g.setColor( Color.WHITE );
+                    }
+                    g.fillRect( graphics_file_x, graphics_file_y, graphics_file_width, graphics_file_height );
                 }
             }
             else {
-                length = getUrtFactor();
+                if ( !to_graphics_file ) {
+                    g.setPaint( new GradientPaint( r.x,
+                                                   r.y,
+                                                   getTreeColorSet().getBackgroundColor(),
+                                                   r.x,
+                                                   r.y + r.height,
+                                                   getTreeColorSet().getBackgroundColorGradientBottom() ) );
+                    g.fill( r );
+                }
+                else {
+                    g.setPaint( new GradientPaint( graphics_file_x,
+                                                   graphics_file_y,
+                                                   getTreeColorSet().getBackgroundColor(),
+                                                   graphics_file_x,
+                                                   graphics_file_y + graphics_file_height,
+                                                   getTreeColorSet().getBackgroundColorGradientBottom() ) );
+                    g.fillRect( graphics_file_x, graphics_file_y, graphics_file_width, graphics_file_height );
+                }
             }
-            final double mid_angle = current_angle + ( arc_size / 2 );
-            final float new_x = ( float ) ( x + ( Math.cos( mid_angle ) * length ) );
-            final float new_y = ( float ) ( y + ( Math.sin( mid_angle ) * length ) );
-            desc.setXcoord( new_x );
-            desc.setYcoord( new_y );
-            paintUnrooted( desc, current_angle, current_angle + arc_size, radial_labels, g, to_pdf, to_graphics_file );
-            current_angle += arc_size;
-            assignGraphicsForBranchWithColorForParentBranch( desc, false, g, to_pdf, to_graphics_file );
-            drawLine( x, y, new_x, new_y, g );
-            paintNodeBox( new_x, new_y, desc, g, to_pdf, to_graphics_file );
+            setupStroke( g );
         }
-        if ( n.isRoot() ) {
-            paintNodeBox( n.getXcoord(), n.getYcoord(), n, g, to_pdf, to_graphics_file );
+        else {
+            g.setStroke( new BasicStroke( getOptions().getPrintLineWidth() ) );
         }
-    }
-
-    final private void paintUnrootedLite( final PhylogenyNode n,
-                                          final double low_angle,
-                                          final double high_angle,
-                                          final Graphics2D g,
-                                          final float urt_ov_factor ) {
-        if ( n.isRoot() ) {
-            final int x_pos = ( int ) ( getVisibleRect().x + getOvXPosition() + ( getOvMaxWidth() / 2 ) );
-            final int y_pos = ( int ) ( getVisibleRect().y + getOvYPosition() + ( getOvMaxHeight() / 2 ) );
-            n.setXSecondary( x_pos );
-            n.setYSecondary( y_pos );
+        if ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
+                && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+            _external_node_index = 0;
+            // Position starting X of tree
+            if ( !_phylogeny.isRooted() /*|| ( _subtree_index > 0 )*/ ) {
+                _phylogeny.getRoot().setXcoord( TreePanel.MOVE );
+            }
+            else if ( ( _phylogeny.getRoot().getDistanceToParent() > 0.0 ) && getControlPanel().isDrawPhylogram() ) {
+                _phylogeny.getRoot().setXcoord( ( float ) ( TreePanel.MOVE
+                        + ( _phylogeny.getRoot().getDistanceToParent() * getXcorrectionFactor() ) ) );
+            }
+            else {
+                _phylogeny.getRoot().setXcoord( TreePanel.MOVE + getXdistance() );
+            }
+            // Position starting Y of tree
+            _phylogeny.getRoot().setYcoord( ( getYdistance() * _phylogeny.getRoot().getNumberOfExternalNodes() )
+                    + ( TreePanel.MOVE / 2.0f ) );
+            final int dynamic_hiding_factor = calcDynamicHidingFactor();
+            if ( getControlPanel().isDynamicallyHideData() ) {
+                if ( dynamic_hiding_factor > 1 ) {
+                    getControlPanel().setDynamicHidingIsOn( true );
+                }
+                else {
+                    getControlPanel().setDynamicHidingIsOn( false );
+                }
+            }
+            if ( _nodes_in_preorder == null ) {
+                _nodes_in_preorder = new PhylogenyNode[ _phylogeny.getNodeCount() ];
+                int i = 0;
+                for( final PhylogenyNodeIterator it = _phylogeny.iteratorPreorder(); it.hasNext(); ) {
+                    _nodes_in_preorder[ i++ ] = it.next();
+                }
+            }
+            final boolean disallow_shortcutting = ( dynamic_hiding_factor < 40 )
+                    /* || getControlPanel().isUseVisualStyles() || getOptions().isShowDefaultNodeShapesForMarkedNodes()*/ //TODO check if this is really not needed.
+                    || to_graphics_file || to_pdf;
+            for( final PhylogenyNode element : _nodes_in_preorder ) {
+                paintNodeRectangular( g,
+                                      element,
+                                      to_pdf,
+                                      getControlPanel().isDynamicallyHideData() && ( dynamic_hiding_factor > 1 ),
+                                      dynamic_hiding_factor,
+                                      to_graphics_file,
+                                      disallow_shortcutting );
+            }
+            if ( getOptions().isShowScale() && getControlPanel().isDrawPhylogram() && ( getScaleDistance() > 0.0 ) ) {
+                if ( !( to_graphics_file || to_pdf ) ) {
+                    paintScale( g,
+                                getVisibleRect().x,
+                                getVisibleRect().y + getVisibleRect().height,
+                                to_pdf,
+                                to_graphics_file );
+                }
+                else {
+                    paintScale( g, graphics_file_x, graphics_file_y + graphics_file_height, to_pdf, to_graphics_file );
+                }
+            }
+            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
+                paintPhylogenyLite( g );
+            }
         }
-        if ( n.isExternal() ) {
-            return;
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            if ( getControlPanel().getDynamicallyHideData() != null ) {
+                getControlPanel().setDynamicHidingIsOn( false );
+            }
+            final double angle = getStartingAngle();
+            final boolean radial_labels = getOptions().getNodeLabelDirection() == NODE_LABEL_DIRECTION.RADIAL;
+            _dynamic_hiding_factor = 0;
+            if ( getControlPanel().isDynamicallyHideData() ) {
+                _dynamic_hiding_factor = ( int ) ( ( getFontMetricsForLargeDefaultFont().getHeight() * 1.5
+                        * getPhylogeny().getNumberOfExternalNodes() ) / ( TWO_PI * 10 ) );
+            }
+            if ( getControlPanel().getDynamicallyHideData() != null ) {
+                if ( _dynamic_hiding_factor > 1 ) {
+                    getControlPanel().setDynamicHidingIsOn( true );
+                }
+                else {
+                    getControlPanel().setDynamicHidingIsOn( false );
+                }
+            }
+            paintUnrooted( _phylogeny.getRoot(),
+                           angle,
+                           ( float ) ( angle + ( 2 * Math.PI ) ),
+                           radial_labels,
+                           g,
+                           to_pdf,
+                           to_graphics_file );
+            if ( getOptions().isShowScale() ) {
+                if ( !( to_graphics_file || to_pdf ) ) {
+                    paintScale( g,
+                                getVisibleRect().x,
+                                getVisibleRect().y + getVisibleRect().height,
+                                to_pdf,
+                                to_graphics_file );
+                }
+                else {
+                    paintScale( g, graphics_file_x, graphics_file_y + graphics_file_height, to_pdf, to_graphics_file );
+                }
+            }
+            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
+                g.setColor( getTreeColorSet().getOvColor() );
+                paintUnrootedLite( _phylogeny.getRoot(),
+                                   angle,
+                                   angle + ( 2 * Math.PI ),
+                                   g,
+                                   ( getUrtFactorOv() / ( getVisibleRect().width / getOvMaxWidth() ) ) );
+                paintOvRectangle( g );
+            }
         }
-        final float num_enclosed = n.getNumberOfExternalNodes();
-        final float x = n.getXSecondary();
-        final float y = n.getYSecondary();
-        double current_angle = low_angle;
-        for( int i = 0; i < n.getNumberOfDescendants(); ++i ) {
-            final PhylogenyNode desc = n.getChildNode( i );
-            final int desc_num_enclosed = desc.getNumberOfExternalNodes();
-            final double arc_size = ( desc_num_enclosed / num_enclosed ) * ( high_angle - low_angle );
-            float length;
-            if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
-                if ( desc.getDistanceToParent() < 0 ) {
-                    length = 0;
+        else if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
+            final int radius = ( int ) ( ( Math.min( getPreferredSize().getWidth(), getPreferredSize().getHeight() )
+                    / 2 ) - ( MOVE + getLongestExtNodeInfo() ) );
+            final int d = radius + MOVE + getLongestExtNodeInfo();
+            _dynamic_hiding_factor = 0;
+            if ( getControlPanel().isDynamicallyHideData() && ( radius > 0 ) ) {
+                _dynamic_hiding_factor = ( int ) ( ( getFontMetricsForLargeDefaultFont().getHeight() * 1.5
+                        * getPhylogeny().getNumberOfExternalNodes() ) / ( TWO_PI * radius ) );
+            }
+            if ( getControlPanel().getDynamicallyHideData() != null ) {
+                if ( _dynamic_hiding_factor > 1 ) {
+                    getControlPanel().setDynamicHidingIsOn( true );
                 }
                 else {
-                    length = ( float ) ( desc.getDistanceToParent() * urt_ov_factor );
+                    getControlPanel().setDynamicHidingIsOn( false );
                 }
             }
-            else {
-                length = urt_ov_factor;
+            paintCircular( _phylogeny, getStartingAngle(), d, d, radius > 0 ? radius : 0, g, to_pdf, to_graphics_file );
+            if ( getOptions().isShowOverview() && isOvOn() && !to_graphics_file && !to_pdf ) {
+                final int radius_ov = ( int ) ( getOvMaxHeight() < getOvMaxWidth() ? getOvMaxHeight() / 2
+                        : getOvMaxWidth() / 2 );
+                double x_scale = 1.0;
+                double y_scale = 1.0;
+                int x_pos = getVisibleRect().x + getOvXPosition();
+                int y_pos = getVisibleRect().y + getOvYPosition();
+                if ( getWidth() > getHeight() ) {
+                    x_scale = ( double ) getHeight() / getWidth();
+                    x_pos = ForesterUtil.roundToInt( x_pos / x_scale );
+                }
+                else {
+                    y_scale = ( double ) getWidth() / getHeight();
+                    y_pos = ForesterUtil.roundToInt( y_pos / y_scale );
+                }
+                _at = g.getTransform();
+                g.scale( x_scale, y_scale );
+                paintCircularLite( _phylogeny,
+                                   getStartingAngle(),
+                                   x_pos + radius_ov,
+                                   y_pos + radius_ov,
+                                   ( int ) ( radius_ov - ( getLongestExtNodeInfo()
+                                           / ( getVisibleRect().width / getOvRectangle().getWidth() ) ) ),
+                                   g );
+                g.setTransform( _at );
+                paintOvRectangle( g );
             }
-            final double mid_angle = current_angle + ( arc_size / 2 );
-            final float new_x = ( float ) ( x + ( Math.cos( mid_angle ) * length ) );
-            final float new_y = ( float ) ( y + ( Math.sin( mid_angle ) * length ) );
-            desc.setXSecondary( new_x );
-            desc.setYSecondary( new_y );
-            if ( isInFoundNodes( desc ) || isInCurrentExternalNodes( desc ) ) {
-                g.setColor( getColorForFoundNode( desc ) );
-                drawRectFilled( desc.getXSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
-                                desc.getYSecondary() - OVERVIEW_FOUND_NODE_BOX_SIZE_HALF,
-                                OVERVIEW_FOUND_NODE_BOX_SIZE,
-                                OVERVIEW_FOUND_NODE_BOX_SIZE,
-                                g );
-                g.setColor( getTreeColorSet().getOvColor() );
+
+              
+        }            
+        if (_partition_tree) {
+            g.setColor( Color.BLACK );
+            _partition_threshold = (_clicked_x - _root_x) / (_furthest_node_x - _root_x);
+           drawLine( _clicked_x, 0, _clicked_x, getHeight(),g);
+             _partition_tree = false;
+         }
+    }
+    
+
+    final void recalculateMaxDistanceToRoot() {
+        _max_distance_to_root = PhylogenyMethods.calculateMaxDistanceToRoot( getPhylogeny() );
+        if ( getPhylogeny().getRoot().getDistanceToParent() > 0 ) {
+            _max_distance_to_root += getPhylogeny().getRoot().getDistanceToParent();
+        }
+    }
+
+    /**
+     * Remove all edit-node frames
+     */
+    final void removeAllEditNodeJFrames() {
+        for( int i = 0; i <= ( TreePanel.MAX_NODE_FRAMES - 1 ); i++ ) {
+            if ( _node_frames[ i ] != null ) {
+                _node_frames[ i ].dispose();
+                _node_frames[ i ] = null;
             }
-            paintUnrootedLite( desc, current_angle, current_angle + arc_size, g, urt_ov_factor );
-            current_angle += arc_size;
-            drawLine( x, y, new_x, new_y, g );
         }
+        _node_frame_index = 0;
     }
 
-    final private void pasteSubtree( final PhylogenyNode node ) {
-        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-            errorMessageNoCutCopyPasteInUnrootedDisplay();
-            return;
+    /**
+     * Remove a node-edit frame.
+     */
+    final void removeEditNodeFrame( final int i ) {
+        _node_frame_index--;
+        _node_frames[ i ] = null;
+        if ( i < _node_frame_index ) {
+            for( int j = 0; j < ( _node_frame_index - 1 ); j++ ) {
+                _node_frames[ j ] = _node_frames[ j + 1 ];
+            }
+            _node_frames[ _node_frame_index ] = null;
         }
-        if ( ( getCutOrCopiedTree() == null ) || getCutOrCopiedTree().isEmpty() ) {
+    }
+
+    final void reRoot( final PhylogenyNode node ) {
+        if ( !getPhylogeny().isRerootable() ) {
             JOptionPane.showMessageDialog( this,
-                                           "No tree in buffer (need to copy or cut a subtree first)",
-                                           "Attempt to paste with empty buffer",
-                                           JOptionPane.ERROR_MESSAGE );
+                                           "This is not rerootable",
+                                           "Not rerootable",
+                                           JOptionPane.WARNING_MESSAGE );
             return;
         }
-        final String label = createASimpleTextRepresentationOfANode( getCutOrCopiedTree().getRoot() );
-        final Object[] options = { "As sibling", "As descendant", "Cancel" };
-        final int r = JOptionPane.showOptionDialog( this,
-                                                    "How to paste subtree" + label + "?",
-                                                    "Paste Subtree",
-                                                    JOptionPane.CLOSED_OPTION,
-                                                    JOptionPane.QUESTION_MESSAGE,
-                                                    null,
-                                                    options,
-                                                    options[ 2 ] );
-        boolean paste_as_sibling = true;
-        if ( r == 1 ) {
-            paste_as_sibling = false;
-        }
-        else if ( r != 0 ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot reroot in unrooted display type",
+                                           "Attempt to reroot tree in unrooted display",
+                                           JOptionPane.WARNING_MESSAGE );
             return;
         }
-        final Phylogeny buffer_phy = getCutOrCopiedTree().copy();
-        buffer_phy.setAllNodesToNotCollapse();
-        PhylogenyMethods.preOrderReId( buffer_phy );
-        buffer_phy.setRooted( true );
-        boolean need_to_show_whole = false;
-        if ( paste_as_sibling ) {
-            if ( node.isRoot() ) {
-                JOptionPane.showMessageDialog( this,
-                                               "Cannot paste sibling to root",
-                                               "Attempt to paste sibling to root",
-                                               JOptionPane.ERROR_MESSAGE );
-                return;
-            }
-            buffer_phy.addAsSibling( node );
-        }
-        else {
-            if ( ( node.getNumberOfExternalNodes() == 1 ) && node.isRoot() ) {
-                need_to_show_whole = true;
-                _phylogeny = buffer_phy;
-            }
-            else {
-                buffer_phy.addAsChild( node );
-            }
-        }
-        if ( getCopiedAndPastedNodes() == null ) {
-            setCopiedAndPastedNodes( new HashSet<Long>() );
-        }
-        final List<PhylogenyNode> nodes = PhylogenyMethods.obtainAllNodesAsList( buffer_phy );
-        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
-        for( final PhylogenyNode n : nodes ) {
-            node_ids.add( n.getId() );
-        }
-        node_ids.add( node.getId() );
-        getCopiedAndPastedNodes().addAll( node_ids );
-        setNodeInPreorderToNull();
-        _phylogeny.externalNodesHaveChanged();
-        _phylogeny.clearHashIdToNodeMap();
-        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        getPhylogeny().reRoot( node );
+        getPhylogeny().recalculateNumberOfExternalDescendants( true );
         resetNodeIdToDistToLeafMap();
+        setNodeInPreorderToNull();
+        resetPreferredSize();
+        getMainPanel().adjustJScrollPane();
         setEdited( true );
-        if ( need_to_show_whole ) {
+        repaint();
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
             getControlPanel().showWhole();
         }
-        repaint();
     }
 
-    private final StringBuffer propertiesToString( final PhylogenyNode node ) {
-        final PropertiesMap properties = node.getNodeData().getProperties();
-        final StringBuffer sb = new StringBuffer();
-        boolean first = true;
-        for( final String ref : properties.getPropertyRefs() ) {
-            if ( first ) {
-                first = false;
+    final void resetNodeIdToDistToLeafMap() {
+        _nodeid_dist_to_leaf = new HashMap<Long, Short>();
+    }
+
+    final void resetPreferredSize() {
+        if ( ( getPhylogeny() == null ) || getPhylogeny().isEmpty() ) {
+            return;
+        }
+        int x = 0;
+        int y = 0;
+        y = TreePanel.MOVE
+                + ForesterUtil.roundToInt( getYdistance() * getPhylogeny().getRoot().getNumberOfExternalNodes() * 2 );
+        if ( getControlPanel().isDrawPhylogram() ) {
+            x = TreePanel.MOVE + getLongestExtNodeInfo()
+                    + ForesterUtil.roundToInt( ( getXcorrectionFactor()
+                            * getPhylogeny().calculateHeight( !_options.isCollapsedWithAverageHeigh() ) )
+                            + getXdistance() );
+        }
+        else {
+            if ( !isNonLinedUpCladogram() ) {
+                x = TreePanel.MOVE + getLongestExtNodeInfo() + ForesterUtil
+                        .roundToInt( getXdistance() * ( getPhylogeny().getRoot().getNumberOfExternalNodes() + 2 ) );
             }
             else {
-                sb.append( " " );
-            }
-            final Property p = properties.getProperty( ref );
-            sb.append( TreePanelUtil.getPartAfterColon( p.getRef() ) );
-            sb.append( "=" );
-            sb.append( p.getValue() );
-            if ( !ForesterUtil.isEmpty( p.getUnit() ) ) {
-                sb.append( TreePanelUtil.getPartAfterColon( p.getUnit() ) );
+                x = TreePanel.MOVE + getLongestExtNodeInfo() + ForesterUtil
+                        .roundToInt( getXdistance() * ( PhylogenyMethods.calculateMaxDepth( getPhylogeny() ) + 1 ) );
             }
         }
-        return sb;
+        setPreferredSize( new Dimension( x, y ) );
     }
 
-    private void setColor( final Graphics2D g,
-                           final PhylogenyNode node,
-                           final boolean to_graphics_file,
-                           final boolean to_pdf,
-                           final boolean is_in_found_nodes,
-                           final Color default_color ) {
-        if ( ( to_pdf || to_graphics_file ) && getOptions().isPrintBlackAndWhite() ) {
-            g.setColor( Color.BLACK );
-        }
-        else if ( is_in_found_nodes ) {
-            g.setColor( getColorForFoundNode( node ) );
-        }
-        else if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null )
-                && ( node.getNodeData().getNodeVisualData().getFontColor() != null ) ) {
-            g.setColor( node.getNodeData().getNodeVisualData().getFontColor() );
-        }
-        else if ( getControlPanel().isColorAccordingToSequence() ) {
-            g.setColor( getSequenceBasedColor( node ) );
-        }
-        else if ( getControlPanel().isColorAccordingToTaxonomy() ) {
-            g.setColor( getTaxonomyBasedColor( node ) );
-        }
-        else if ( getControlPanel().isColorAccordingToAnnotation()
-                && ( node.getNodeData().isHasSequence() && ( node.getNodeData().getSequence().getAnnotations() != null ) && ( !node
-                        .getNodeData().getSequence().getAnnotations().isEmpty() ) ) ) {
-            g.setColor( calculateColorForAnnotation( node.getNodeData().getSequence().getAnnotations() ) );
-        }
-        else if ( getOptions().isColorLabelsSameAsParentBranch() && getControlPanel().isUseVisualStyles()
-                && ( PhylogenyMethods.getBranchColorValue( node ) != null ) ) {
-            g.setColor( PhylogenyMethods.getBranchColorValue( node ) );
-        }
-        else if ( to_pdf ) {
-            g.setColor( Color.BLACK );
+    final void selectNode( final PhylogenyNode node ) {
+        if ( ( getFoundNodes0() != null ) && getFoundNodes0().contains( node.getId() ) ) {
+            getFoundNodes0().remove( node.getId() );
+            getControlPanel().setSearchFoundCountsOnLabel0( getFoundNodes0().size() );
+            if ( getFoundNodes0().size() < 1 ) {
+                getControlPanel().searchReset0();
+            }
         }
         else {
-            g.setColor( default_color );
+            getControlPanel().getSearchFoundCountsLabel0().setVisible( true );
+            getControlPanel().getSearchResetButton0().setEnabled( true );
+            getControlPanel().getSearchResetButton0().setVisible( true );
+            if ( getFoundNodes0() == null ) {
+                setFoundNodes0( new HashSet<Long>() );
+            }
+            getFoundNodes0().add( node.getId() );
+            getControlPanel().setSearchFoundCountsOnLabel0( getFoundNodes0().size() );
         }
     }
 
-    final private void setCopiedAndPastedNodes( final Set<Long> nodeIds ) {
-        getMainPanel().setCopiedAndPastedNodes( nodeIds );
+    final void setArrowCursor() {
+        setCursor( ARROW_CURSOR );
+        repaint();
     }
 
-    final private void setCutOrCopiedTree( final Phylogeny cut_or_copied_tree ) {
-        getMainPanel().setCutOrCopiedTree( cut_or_copied_tree );
+    final void setControlPanel( final ControlPanel atv_control ) {
+        _control_panel = atv_control;
     }
 
-    private boolean setFont( final Graphics2D g, final PhylogenyNode node, final boolean is_in_found_nodes ) {
-        Font visual_font = null;
-        if ( getControlPanel().isUseVisualStyles() && ( node.getNodeData().getNodeVisualData() != null ) ) {
-            visual_font = node.getNodeData().getNodeVisualData().getFont();
-            g.setFont( visual_font != null ? visual_font : getTreeFontSet().getLargeFont() );
-        }
-        else {
-            g.setFont( getTreeFontSet().getLargeFont() );
-        }
-        if ( is_in_found_nodes ) {
-            g.setFont( g.getFont().deriveFont( Font.BOLD ) );
-        }
-        return visual_font != null;
+    void setCurrentExternalNodesDataBuffer( final StringBuilder sb ) {
+        increaseCurrentExternalNodesDataBufferChangeCounter();
+        _current_external_nodes_data_buffer = sb;
+    }
+
+    public final void setFoundNodes0( final Set<Long> found_nodes ) {
+        _found_nodes_0 = found_nodes;
     }
 
-    final private void setInOv( final boolean in_ov ) {
-        _in_ov = in_ov;
+    public final void setFoundNodes1( final Set<Long> found_nodes ) {
+        _found_nodes_1 = found_nodes;
     }
 
-    final private void setOvMaxHeight( final float ov_max_height ) {
-        _ov_max_height = ov_max_height;
+    final void setInOvRect( final boolean in_ov_rect ) {
+        _in_ov_rect = in_ov_rect;
     }
 
-    final private void setOvMaxWidth( final float ov_max_width ) {
-        _ov_max_width = ov_max_width;
+    final void setLargeFonts() {
+        getTreeFontSet().largeFonts();
     }
 
-    final private void setOvXcorrectionFactor( final float f ) {
-        _ov_x_correction_factor = f;
+    final void setLastMouseDragPointX( final float x ) {
+        _last_drag_point_x = x;
     }
 
-    final private void setOvXDistance( final float ov_x_distance ) {
-        _ov_x_distance = ov_x_distance;
+    final void setLastMouseDragPointY( final float y ) {
+        _last_drag_point_y = y;
     }
 
-    final private void setOvXPosition( final int ov_x_position ) {
-        _ov_x_position = ov_x_position;
+    final void setMediumFonts() {
+        getTreeFontSet().mediumFonts();
     }
 
-    final private void setOvYDistance( final float ov_y_distance ) {
-        _ov_y_distance = ov_y_distance;
+    final void setNodeInPreorderToNull() {
+        _nodes_in_preorder = null;
     }
 
-    final private void setOvYPosition( final int ov_y_position ) {
-        _ov_y_position = ov_y_position;
+    final void setOvOn( final boolean ov_on ) {
+        _ov_on = ov_on;
     }
 
-    final private void setOvYStart( final int ov_y_start ) {
-        _ov_y_start = ov_y_start;
+    final void setPhylogenyGraphicsType( final PHYLOGENY_GRAPHICS_TYPE graphics_type ) {
+        _graphics_type = graphics_type;
+        setTextAntialias();
     }
 
-    final private void setScaleDistance( final double scale_distance ) {
-        _scale_distance = scale_distance;
+    final void setSmallFonts() {
+        getTreeFontSet().smallFonts();
     }
 
-    final private void setScaleLabel( final String scale_label ) {
-        _scale_label = scale_label;
+    final void setStartingAngle( final double starting_angle ) {
+        _urt_starting_angle = starting_angle;
     }
 
-    private final void setupStroke( final Graphics2D g ) {
-        if ( getYdistance() < 0.001 ) {
-            g.setStroke( STROKE_005 );
-        }
-        else if ( getYdistance() < 0.01 ) {
-            g.setStroke( STROKE_01 );
-        }
-        else if ( getYdistance() < 0.5 ) {
-            g.setStroke( STROKE_025 );
-        }
-        else if ( getYdistance() < 1 ) {
-            g.setStroke( STROKE_05 );
-        }
-        else if ( getYdistance() < 2 ) {
-            g.setStroke( STROKE_075 );
-        }
-        else if ( getYdistance() < 20 ) {
-            g.setStroke( STROKE_1 );
-        }
-        else {
-            g.setStroke( STROKE_2 );
-        }
+    void setStatisticsForExpressionValues( final DescriptiveStatistics statistics_for_expression_values ) {
+        _statistics_for_vector_data = statistics_for_expression_values;
     }
 
-    final private void setUpUrtFactor() {
-        final int d = getVisibleRect().width < getVisibleRect().height ? getVisibleRect().width
-                : getVisibleRect().height;
-        if ( isPhyHasBranchLengths() && getControlPanel().isDrawPhylogram() ) {
-            setUrtFactor( ( float ) ( d / ( 2 * getMaxDistanceToRoot() ) ) );
-        }
-        else {
-            final int max_depth = _circ_max_depth;
-            if ( max_depth > 0 ) {
-                setUrtFactor( d / ( 2 * max_depth ) );
+    final void setSuperTinyFonts() {
+        getTreeFontSet().superTinyFonts();
+    }
+
+    final void setTextAntialias() {
+        if ( ( _phylogeny != null ) && !_phylogeny.isEmpty() ) {
+            if ( _phylogeny.getNumberOfExternalNodes() <= LIMIT_FOR_HQ_RENDERING ) {
+                _rendering_hints.put( RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY );
             }
             else {
-                setUrtFactor( d / 2 );
+                _rendering_hints.put( RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED );
             }
         }
-        setUrtFactorOv( getUrtFactor() );
+        if ( getMainPanel().getOptions().isAntialiasScreen() ) {
+            _rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON );
+            // try {
+            _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB );
+            // }
+            // catch ( final Throwable e ) {
+            //    _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
+            //}
+        }
+        else {
+            _rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF );
+            _rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF );
+        }
     }
 
-    final private void setUrtFactor( final float urt_factor ) {
-        _urt_factor = urt_factor;
+    final void setTinyFonts() {
+        getTreeFontSet().tinyFonts();
     }
 
-    final private void setUrtFactorOv( final float urt_factor_ov ) {
-        _urt_factor_ov = urt_factor_ov;
+    public final void setTreeFile( final File treefile ) {
+        _treefile = treefile;
     }
 
-    private void showExtDescNodeData( final PhylogenyNode node ) {
-        final List<String> data = new ArrayList<String>();
-        final List<PhylogenyNode> nodes = node.getAllExternalDescendants();
-        if ( ( getFoundNodes0() != null ) || ( getFoundNodes1() != null ) ) {
-            for( final PhylogenyNode n : getFoundNodesAsListOfPhylogenyNodes() ) {
-                if ( !nodes.contains( n ) ) {
-                    nodes.add( n );
-                }
-            }
-        }
-        for( final PhylogenyNode n : nodes ) {
-            switch ( getOptions().getExtDescNodeDataToReturn() ) {
-                case NODE_NAME:
-                    if ( !ForesterUtil.isEmpty( n.getName() ) ) {
-                        data.add( n.getName() );
-                    }
-                    break;
-                case SEQUENCE_NAME:
-                    if ( n.getNodeData().isHasSequence()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getName() ) ) {
-                        data.add( n.getNodeData().getSequence().getName() );
-                    }
-                    break;
-                case GENE_NAME:
-                    if ( n.getNodeData().isHasSequence()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getGeneName() ) ) {
-                        data.add( n.getNodeData().getSequence().getGeneName() );
-                    }
-                    break;
-                case SEQUENCE_SYMBOL:
-                    if ( n.getNodeData().isHasSequence()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getSymbol() ) ) {
-                        data.add( n.getNodeData().getSequence().getSymbol() );
-                    }
-                    break;
-                case SEQUENCE_MOL_SEQ:
-                    if ( n.getNodeData().isHasSequence()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getMolecularSequence() ) ) {
-                        data.add( n.getNodeData().getSequence().getMolecularSequence() );
-                    }
-                    break;
-                case SEQUENCE_MOL_SEQ_FASTA:
-                    final StringBuilder sb = new StringBuilder();
-                    if ( n.getNodeData().isHasSequence()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getMolecularSequence() ) ) {
-                        final StringBuilder ann = new StringBuilder();
-                        if ( !ForesterUtil.isEmpty( n.getName() ) ) {
-                            ann.append( n.getName() );
-                            ann.append( "|" );
-                        }
-                        if ( !ForesterUtil.isEmpty( n.getNodeData().getSequence().getSymbol() ) ) {
-                            ann.append( "SYM=" );
-                            ann.append( n.getNodeData().getSequence().getSymbol() );
-                            ann.append( "|" );
-                        }
-                        if ( !ForesterUtil.isEmpty( n.getNodeData().getSequence().getName() ) ) {
-                            ann.append( "NAME=" );
-                            ann.append( n.getNodeData().getSequence().getName() );
-                            ann.append( "|" );
-                        }
-                        if ( !ForesterUtil.isEmpty( n.getNodeData().getSequence().getGeneName() ) ) {
-                            ann.append( "GN=" );
-                            ann.append( n.getNodeData().getSequence().getGeneName() );
-                            ann.append( "|" );
-                        }
-                        if ( n.getNodeData().getSequence().getAccession() != null ) {
-                            ann.append( "ACC=" );
-                            ann.append( n.getNodeData().getSequence().getAccession().asText() );
-                            ann.append( "|" );
-                        }
-                        if ( n.getNodeData().isHasTaxonomy() ) {
-                            if ( !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
-                                ann.append( "TAXID=" );
-                                ann.append( n.getNodeData().getTaxonomy().getTaxonomyCode() );
-                                ann.append( "|" );
-                            }
-                            if ( !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
-                                ann.append( "SN=" );
-                                ann.append( n.getNodeData().getTaxonomy().getScientificName() );
-                                ann.append( "|" );
-                            }
-                        }
-                        String ann_str;
-                        if ( ann.charAt( ann.length() - 1 ) == '|' ) {
-                            ann_str = ann.substring( 0, ann.length() - 1 );
-                        }
-                        else {
-                            ann_str = ann.toString();
-                        }
-                        sb.append( SequenceWriter.toFasta( ann_str, n.getNodeData().getSequence()
-                                .getMolecularSequence(), 60 ) );
-                        data.add( sb.toString() );
-                    }
-                    break;
-                case SEQUENCE_ACC:
-                    if ( n.getNodeData().isHasSequence() && ( n.getNodeData().getSequence().getAccession() != null )
-                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getAccession().toString() ) ) {
-                        data.add( n.getNodeData().getSequence().getAccession().toString() );
-                    }
-                    break;
-                case TAXONOMY_SCIENTIFIC_NAME:
-                    if ( n.getNodeData().isHasTaxonomy()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
-                        data.add( n.getNodeData().getTaxonomy().getScientificName() );
-                    }
-                    break;
-                case TAXONOMY_COMM0N_NAME:
-                    if ( n.getNodeData().isHasTaxonomy()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getCommonName() ) ) {
-                        data.add( n.getNodeData().getTaxonomy().getCommonName() );
-                    }
-                    break;
-                case TAXONOMY_CODE:
-                    if ( n.getNodeData().isHasTaxonomy()
-                            && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
-                        data.add( n.getNodeData().getTaxonomy().getTaxonomyCode() );
-                    }
-                    break;
-                case UNKNOWN:
-                    TreePanelUtil.showExtDescNodeDataUserSelectedHelper( getControlPanel(), n, data );
-                    break;
-                default:
-                    throw new IllegalArgumentException( "unknown data element: "
-                            + getOptions().getExtDescNodeDataToReturn() );
-            }
-        } // for loop
-        final StringBuilder sb = new StringBuilder();
-        final int size = TreePanelUtil.makeSB( data, getOptions(), sb );
-        if ( ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE )
-                || ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.BUFFER_ONLY ) ) {
-            if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE ) {
-                System.out.println( sb );
-            }
-            if ( sb.length() < 1 ) {
-                clearCurrentExternalNodesDataBuffer();
+    final void setXcorrectionFactor( final float f ) {
+        _x_correction_factor = f;
+    }
+
+    final void setXdistance( final float x ) {
+        _x_distance = x;
+    }
+
+    final void setYdistance( final float y ) {
+        _y_distance = y;
+    }
+
+    final void sortDescendants( final PhylogenyNode node ) {
+        if ( !node.isExternal() ) {
+            DESCENDANT_SORT_PRIORITY pri = DESCENDANT_SORT_PRIORITY.NODE_NAME;
+            if ( getControlPanel().isShowTaxonomyScientificNames() || getControlPanel().isShowTaxonomyCode() ) {
+                pri = DESCENDANT_SORT_PRIORITY.TAXONOMY;
             }
-            else {
-                setCurrentExternalNodesDataBuffer( sb );
+            else if ( getControlPanel().isShowSeqNames() || getControlPanel().isShowSeqSymbols()
+                    || getControlPanel().isShowGeneNames() ) {
+                pri = DESCENDANT_SORT_PRIORITY.SEQUENCE;
             }
+            PhylogenyMethods.sortNodeDescendents( node, pri );
+            setNodeInPreorderToNull();
+            _phylogeny.externalNodesHaveChanged();
+            _phylogeny.clearHashIdToNodeMap();
+            _phylogeny.recalculateNumberOfExternalDescendants( true );
+            resetNodeIdToDistToLeafMap();
+            setEdited( true );
+        }
+        repaint();
+    }
+
+    final void subTree( final PhylogenyNode node ) {
+        if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot get a sub/super tree in unrooted display",
+                                           "Attempt to get sub/super tree in unrooted display",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
+        }
+        if ( node.isExternal() ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot get a subtree of a external node",
+                                           "Attempt to get subtree of external node",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
+        }
+        if ( node.isRoot() && !isCurrentTreeIsSubtree() ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot get a subtree of the root node",
+                                           "Attempt to get subtree of root node",
+                                           JOptionPane.WARNING_MESSAGE );
+            return;
         }
-        else if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.WINODW ) {
-            if ( sb.length() < 1 ) {
-                TreePanelUtil.showInformationMessage( this, "No Appropriate Data (" + obtainTitleForExtDescNodeData()
-                        + ")", "Descendants of selected node do not contain selected data" );
-                clearCurrentExternalNodesDataBuffer();
-            }
-            else {
-                setCurrentExternalNodesDataBuffer( sb );
-                String title;
-                if ( ( getFoundNodes0() != null ) && !getFoundNodes0().isEmpty() ) {
-                    title = ( getOptions().getExtDescNodeDataToReturn() == NODE_DATA.UNKNOWN ? "Data"
-                            : obtainTitleForExtDescNodeData() )
-                            + " for "
-                            + data.size()
-                            + " nodes, unique entries: "
-                            + size;
-                }
-                else {
-                    title = ( getOptions().getExtDescNodeDataToReturn() == NODE_DATA.UNKNOWN ? "Data"
-                            : obtainTitleForExtDescNodeData() )
-                            + " for "
-                            + data.size()
-                            + "/"
-                            + node.getNumberOfExternalNodes()
-                            + " external descendats of node "
-                            + node
-                            + ", unique entries: " + size;
-                }
-                final String s = sb.toString().trim();
-                if ( getMainPanel().getMainFrame() == null ) {
-                    // Must be "E" applet version.
-                    final ArchaeopteryxE ae = ( ArchaeopteryxE ) ( ( MainPanelApplets ) getMainPanel() ).getApplet();
-                    ae.showTextFrame( s, title );
-                }
-                else {
-                    getMainPanel().getMainFrame().showTextFrame( s, title );
-                }
+        setNodeInPreorderToNull();
+        if ( !node.isExternal() && !node.isRoot() && ( _subtree_index <= ( TreePanel.MAX_SUBTREES - 1 ) ) ) {
+            _sub_phylogenies[ _subtree_index ] = _phylogeny;
+            _sub_phylogenies_temp_roots[ _subtree_index ] = node;
+            ++_subtree_index;
+            _phylogeny = TreePanelUtil.subTree( node, _phylogeny );
+            if ( _phylogeny.getRoot().isCollapse() ) {
+                _phylogeny.getRoot().setCollapse( false );
             }
+            _phylogeny.externalNodesHaveChanged();
+            _phylogeny.clearHashIdToNodeMap();
+            _phylogeny.recalculateNumberOfExternalDescendants( true );
+            updateSubSuperTreeButton();
+            getMainPanel().getControlPanel().search0();
+            getMainPanel().getControlPanel().search1();
+            resetRankCollapseRankValue();
+            resetDepthCollapseDepthValue();
+            getMainPanel().getControlPanel().updateDomainStructureEvaluethresholdDisplay();
+            getMainPanel().getControlPanel().updateDepthCollapseDepthDisplay();
+            getMainPanel().getControlPanel().updateRankCollapseRankDisplay();
         }
+        else if ( node.isRoot() && isCurrentTreeIsSubtree() ) {
+            superTree();
+        }
+        _main_panel.getControlPanel().showWhole();
+        repaint();
     }
 
-    final private void showNodeDataPopup( final MouseEvent e, final PhylogenyNode node ) {
-        try {
-            if ( ( node.getName().length() > 0 )
-                    || ( node.getNodeData().isHasTaxonomy() && !TreePanelUtil.isTaxonomyEmpty( node.getNodeData()
-                            .getTaxonomy() ) )
-                    || ( node.getNodeData().isHasSequence() && !TreePanelUtil.isSequenceEmpty( node.getNodeData()
-                            .getSequence() ) ) || ( node.getNodeData().isHasDate() )
-                    || ( node.getNodeData().isHasDistribution() ) || node.getBranchData().isHasConfidences() ) {
-                _popup_buffer.setLength( 0 );
-                short lines = 0;
-                if ( node.getName().length() > 0 ) {
-                    lines++;
-                    _popup_buffer.append( node.getName() );
-                }
-                if ( node.getNodeData().isHasTaxonomy()
-                        && !TreePanelUtil.isTaxonomyEmpty( node.getNodeData().getTaxonomy() ) ) {
-                    lines++;
-                    boolean enc_data = false;
-                    final Taxonomy tax = node.getNodeData().getTaxonomy();
-                    if ( _popup_buffer.length() > 0 ) {
-                        _popup_buffer.append( "\n" );
-                    }
-                    if ( !ForesterUtil.isEmpty( tax.getTaxonomyCode() ) ) {
-                        _popup_buffer.append( "[" );
-                        _popup_buffer.append( tax.getTaxonomyCode() );
-                        _popup_buffer.append( "]" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( tax.getScientificName() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " " );
-                        }
-                        _popup_buffer.append( tax.getScientificName() );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( tax.getCommonName() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " (" );
-                        }
-                        else {
-                            _popup_buffer.append( "(" );
-                        }
-                        _popup_buffer.append( tax.getCommonName() );
-                        _popup_buffer.append( ")" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( tax.getAuthority() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " (" );
-                        }
-                        else {
-                            _popup_buffer.append( "(" );
-                        }
-                        _popup_buffer.append( tax.getAuthority() );
-                        _popup_buffer.append( ")" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( tax.getRank() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " [" );
-                        }
-                        else {
-                            _popup_buffer.append( "[" );
-                        }
-                        _popup_buffer.append( tax.getRank() );
-                        _popup_buffer.append( "]" );
-                        enc_data = true;
-                    }
-                    if ( tax.getSynonyms().size() > 0 ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " " );
-                        }
-                        _popup_buffer.append( "[" );
-                        int counter = 1;
-                        for( final String syn : tax.getSynonyms() ) {
-                            if ( !ForesterUtil.isEmpty( syn ) ) {
-                                enc_data = true;
-                                _popup_buffer.append( syn );
-                                if ( counter < tax.getSynonyms().size() ) {
-                                    _popup_buffer.append( ", " );
-                                }
-                            }
-                            counter++;
-                        }
-                        _popup_buffer.append( "]" );
-                    }
-                    if ( !enc_data ) {
-                        if ( ( tax.getIdentifier() != null ) && !ForesterUtil.isEmpty( tax.getIdentifier().getValue() ) ) {
-                            if ( !ForesterUtil.isEmpty( tax.getIdentifier().getProvider() ) ) {
-                                _popup_buffer.append( "[" );
-                                _popup_buffer.append( tax.getIdentifier().getProvider() );
-                                _popup_buffer.append( "] " );
-                            }
-                            _popup_buffer.append( tax.getIdentifier().getValue() );
-                        }
-                    }
-                }
-                if ( node.getNodeData().isHasSequence()
-                        && !TreePanelUtil.isSequenceEmpty( node.getNodeData().getSequence() ) ) {
-                    lines++;
-                    boolean enc_data = false;
-                    if ( _popup_buffer.length() > 0 ) {
-                        _popup_buffer.append( "\n" );
-                    }
-                    final Sequence seq = node.getNodeData().getSequence();
-                    if ( seq.getAccession() != null ) {
-                        _popup_buffer.append( "[" );
-                        if ( !ForesterUtil.isEmpty( seq.getAccession().getSource() ) ) {
-                            _popup_buffer.append( seq.getAccession().getSource() );
-                            _popup_buffer.append( ":" );
-                        }
-                        _popup_buffer.append( seq.getAccession().getValue() );
-                        _popup_buffer.append( "]" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( seq.getSymbol() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " [" );
-                        }
-                        else {
-                            _popup_buffer.append( "[" );
-                        }
-                        _popup_buffer.append( seq.getSymbol() );
-                        _popup_buffer.append( "]" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( seq.getGeneName() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " [" );
-                        }
-                        else {
-                            _popup_buffer.append( "[" );
-                        }
-                        _popup_buffer.append( seq.getGeneName() );
-                        _popup_buffer.append( "]" );
-                        enc_data = true;
-                    }
-                    if ( !ForesterUtil.isEmpty( seq.getName() ) ) {
-                        if ( enc_data ) {
-                            _popup_buffer.append( " " );
-                        }
-                        _popup_buffer.append( seq.getName() );
-                    }
-                }
-                if ( node.getNodeData().isHasDate() ) {
-                    lines++;
-                    if ( _popup_buffer.length() > 0 ) {
-                        _popup_buffer.append( "\n" );
-                    }
-                    _popup_buffer.append( node.getNodeData().getDate().asSimpleText() );
-                }
-                if ( node.getNodeData().isHasDistribution() ) {
-                    lines++;
-                    if ( _popup_buffer.length() > 0 ) {
-                        _popup_buffer.append( "\n" );
-                    }
-                    _popup_buffer.append( node.getNodeData().getDistribution().asSimpleText() );
-                }
-                if ( node.getBranchData().isHasConfidences() ) {
-                    final List<Confidence> confs = node.getBranchData().getConfidences();
-                    for( final Confidence confidence : confs ) {
-                        lines++;
-                        if ( _popup_buffer.length() > 0 ) {
-                            _popup_buffer.append( "\n" );
-                        }
-                        if ( !ForesterUtil.isEmpty( confidence.getType() ) ) {
-                            _popup_buffer.append( "[" );
-                            _popup_buffer.append( confidence.getType() );
-                            _popup_buffer.append( "] " );
-                        }
-                        _popup_buffer
-                                .append( FORMATTER_CONFIDENCE.format( ForesterUtil.round( confidence.getValue(),
-                                                                                          getOptions()
-                                                                                                  .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
-                        if ( confidence.getStandardDeviation() != Confidence.CONFIDENCE_DEFAULT_VALUE ) {
-                            _popup_buffer.append( " (sd=" );
-                            _popup_buffer.append( FORMATTER_CONFIDENCE.format( ForesterUtil.round( confidence
-                                    .getStandardDeviation(), getOptions()
-                                    .getNumberOfDigitsAfterCommaForConfidenceValues() ) ) );
-                            _popup_buffer.append( ")" );
-                        }
-                    }
-                }
-                if ( node.getNodeData().isHasProperties() ) {
-                    final PropertiesMap properties = node.getNodeData().getProperties();
-                    for( final String ref : properties.getPropertyRefs() ) {
-                        _popup_buffer.append( "\n" );
-                        final Property p = properties.getProperty( ref );
-                        _popup_buffer.append( TreePanelUtil.getPartAfterColon( p.getRef() ) );
-                        _popup_buffer.append( "=" );
-                        _popup_buffer.append( p.getValue() );
-                        if ( !ForesterUtil.isEmpty( p.getUnit() ) ) {
-                            _popup_buffer.append( TreePanelUtil.getPartAfterColon( p.getUnit() ) );
-                        }
-                    }
-                }
-                if ( _popup_buffer.length() > 0 ) {
-                    if ( !getConfiguration().isUseNativeUI() ) {
-                        _rollover_popup
-                                .setBorder( BorderFactory.createLineBorder( getTreeColorSet().getBranchColor() ) );
-                        _rollover_popup.setBackground( getTreeColorSet().getBackgroundColor() );
-                        if ( isInFoundNodes0( node ) && !isInFoundNodes1( node ) ) {
-                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor0() );
-                        }
-                        else if ( !isInFoundNodes0( node ) && isInFoundNodes1( node ) ) {
-                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor1() );
-                        }
-                        else if ( isInFoundNodes0( node ) && isInFoundNodes1( node ) ) {
-                            _rollover_popup.setForeground( getTreeColorSet().getFoundColor0and1() );
-                        }
-                        else {
-                            _rollover_popup.setForeground( getTreeColorSet().getSequenceColor() );
-                        }
-                    }
-                    else {
-                        _rollover_popup.setBorder( BorderFactory.createLineBorder( Color.BLACK ) );
-                    }
-                    _rollover_popup.setText( _popup_buffer.toString() );
-                    _node_desc_popup = PopupFactory.getSharedInstance().getPopup( null,
-                                                                                  _rollover_popup,
-                                                                                  e.getLocationOnScreen().x + 10,
-                                                                                  e.getLocationOnScreen().y
-                                                                                          - ( lines * 20 ) );
-                    _node_desc_popup.show();
-                }
-            }
+    final void superTree() {
+        setNodeInPreorderToNull();
+        final PhylogenyNode temp_root = _sub_phylogenies_temp_roots[ _subtree_index - 1 ];
+        for( final PhylogenyNode n : temp_root.getDescendants() ) {
+            n.setParent( temp_root );
         }
-        catch ( final Exception ex ) {
-            // Do nothing.
+        _sub_phylogenies[ _subtree_index ] = null;
+        _sub_phylogenies_temp_roots[ _subtree_index ] = null;
+        _phylogeny = _sub_phylogenies[ --_subtree_index ];
+        _phylogeny.externalNodesHaveChanged();
+        _phylogeny.clearHashIdToNodeMap();
+        _phylogeny.recalculateNumberOfExternalDescendants( true );
+        getMainPanel().getControlPanel().search0();
+        getMainPanel().getControlPanel().search1();
+        resetRankCollapseRankValue();
+        resetDepthCollapseDepthValue();
+        getMainPanel().getControlPanel().updateDomainStructureEvaluethresholdDisplay();
+        getMainPanel().getControlPanel().updateDepthCollapseDepthDisplay();
+        getMainPanel().getControlPanel().updateRankCollapseRankDisplay();
+        updateSubSuperTreeButton();
+    }
+
+    final void orderSubtree( final PhylogenyNode node ) {
+        if ( node.isExternal() ) {
+            return;
+        }
+        DESCENDANT_SORT_PRIORITY pri = DESCENDANT_SORT_PRIORITY.NODE_NAME;
+        if ( getControlPanel().isShowTaxonomyScientificNames() || getControlPanel().isShowTaxonomyCode() ) {
+            pri = DESCENDANT_SORT_PRIORITY.TAXONOMY;
         }
+        else if ( getControlPanel().isShowSeqNames() || getControlPanel().isShowSeqSymbols()
+                || getControlPanel().isShowGeneNames() ) {
+            pri = DESCENDANT_SORT_PRIORITY.SEQUENCE;
+        }
+        PhylogenyMethods.orderAppearanceX( node, true, pri );
+        setNodeInPreorderToNull();
+        getPhylogeny().externalNodesHaveChanged();
+        getPhylogeny().clearHashIdToNodeMap();
+        getPhylogeny().recalculateNumberOfExternalDescendants( true );
+        resetNodeIdToDistToLeafMap();
+        setEdited( true );
+        getControlPanel().displayedPhylogenyMightHaveChanged( true );
+        repaint();
     }
 
-    final private void showNodeEditFrame( final PhylogenyNode n ) {
-        if ( _node_frame_index < TreePanel.MAX_NODE_FRAMES ) {
-            // pop up edit box for single node
-            _node_frames[ _node_frame_index ] = new NodeFrame( n, _phylogeny, this, _node_frame_index, "" );
-            _node_frame_index++;
+    final void swap( final PhylogenyNode node ) {
+        if ( node.isExternal() || ( node.getNumberOfDescendants() < 2 ) ) {
+            return;
         }
-        else {
-            JOptionPane.showMessageDialog( this, "too many node windows are open" );
+        if ( node.getNumberOfDescendants() > 2 ) {
+            JOptionPane.showMessageDialog( this,
+                                           "Cannot swap descendants of nodes with more than 2 descendants",
+                                           "Cannot swap descendants",
+                                           JOptionPane.ERROR_MESSAGE );
+            return;
+        }
+        if ( !node.isExternal() ) {
+            node.swapChildren();
+            setNodeInPreorderToNull();
+            _phylogeny.externalNodesHaveChanged();
+            _phylogeny.clearHashIdToNodeMap();
+            _phylogeny.recalculateNumberOfExternalDescendants( true );
+            resetNodeIdToDistToLeafMap();
+            setEdited( true );
         }
+        repaint();
     }
 
-    final private void showNodeFrame( final PhylogenyNode n ) {
-        if ( _node_frame_index < TreePanel.MAX_NODE_FRAMES ) {
-            // pop up edit box for single node
-            _node_frames[ _node_frame_index ] = new NodeFrame( n, _phylogeny, this, _node_frame_index );
-            _node_frame_index++;
+    final void taxColor() {
+        if ( ( _phylogeny == null ) || ( _phylogeny.getNumberOfExternalNodes() < 2 ) ) {
+            return;
         }
-        else {
-            JOptionPane.showMessageDialog( this, "too many node windows are open" );
+        setWaitCursor();
+        TreePanelUtil.colorPhylogenyAccordingToExternalTaxonomy( _phylogeny, this );
+        _control_panel.setColorBranches( true );
+        if ( _control_panel.getUseVisualStylesCb() != null ) {
+            _control_panel.getUseVisualStylesCb().setSelected( true );
         }
+        setEdited( true );
+        setArrowCursor();
+        repaint();
     }
 
-    final private void switchDisplaygetPhylogenyGraphicsType() {
-        switch ( getPhylogenyGraphicsType() ) {
-            case RECTANGULAR:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.EURO_STYLE );
-                break;
-            case EURO_STYLE:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.ROUNDED );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.ROUNDED );
-                break;
-            case ROUNDED:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CURVED );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CURVED );
-                break;
-            case CURVED:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.TRIANGULAR );
-                break;
-            case TRIANGULAR:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CONVEX );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CONVEX );
-                break;
-            case CONVEX:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.UNROOTED );
+    final void updateOvSettings() {
+        switch ( getOptions().getOvPlacement() ) {
+            case LOWER_LEFT:
+                setOvXPosition( OV_BORDER );
+                setOvYPosition( ForesterUtil.roundToInt( getVisibleRect().height - OV_BORDER - getOvMaxHeight() ) );
+                setOvYStart( ForesterUtil.roundToInt( getOvYPosition() + ( getOvMaxHeight() / 2 ) ) );
                 break;
-            case UNROOTED:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CIRCULAR );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.CIRCULAR );
+            case LOWER_RIGHT:
+                setOvXPosition( ForesterUtil.roundToInt( getVisibleRect().width - OV_BORDER - getOvMaxWidth() ) );
+                setOvYPosition( ForesterUtil.roundToInt( getVisibleRect().height - OV_BORDER - getOvMaxHeight() ) );
+                setOvYStart( ForesterUtil.roundToInt( getOvYPosition() + ( getOvMaxHeight() / 2 ) ) );
                 break;
-            case CIRCULAR:
-                setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR );
-                getOptions().setPhylogenyGraphicsType( PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR );
+            case UPPER_RIGHT:
+                setOvXPosition( ForesterUtil.roundToInt( getVisibleRect().width - OV_BORDER - getOvMaxWidth() ) );
+                setOvYPosition( OV_BORDER );
+                setOvYStart( ForesterUtil.roundToInt( OV_BORDER + ( getOvMaxHeight() / 2 ) ) );
                 break;
             default:
-                throw new RuntimeException( "unkwnown display type: " + getPhylogenyGraphicsType() );
+                setOvXPosition( OV_BORDER );
+                setOvYPosition( OV_BORDER );
+                setOvYStart( ForesterUtil.roundToInt( OV_BORDER + ( getOvMaxHeight() / 2 ) ) );
+                break;
         }
-        if ( getControlPanel().getDynamicallyHideData() != null ) {
-            if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.UNROOTED ) {
-                getControlPanel().getDynamicallyHideData().setEnabled( false );
+    }
+
+    final void updateOvSizes() {
+        if ( ( getWidth() > ( 1.05 * getVisibleRect().width ) )
+                || ( getHeight() > ( 1.05 * getVisibleRect().height ) ) ) {
+            setOvOn( true );
+            float l = getLongestExtNodeInfo();
+            final float w_ratio = getOvMaxWidth() / getWidth();
+            l *= w_ratio;
+            final int ext_nodes = _phylogeny.getRoot().getNumberOfExternalNodes();
+            setOvYDistance( getOvMaxHeight() / ( 2 * ext_nodes ) );
+            float ov_xdist = 0;
+            if ( !isNonLinedUpCladogram() ) {
+                ov_xdist = ( ( getOvMaxWidth() - l ) / ( ext_nodes ) );
             }
             else {
-                getControlPanel().getDynamicallyHideData().setEnabled( true );
+                ov_xdist = ( ( getOvMaxWidth() - l ) / ( PhylogenyMethods.calculateMaxDepth( _phylogeny ) ) );
+            }
+            float ydist = ( float ) ( ( getOvMaxWidth() / ( ext_nodes * 2.0 ) ) );
+            if ( ov_xdist < 0.0 ) {
+                ov_xdist = 0.0f;
+            }
+            if ( ydist < 0.0 ) {
+                ydist = 0.0f;
+            }
+            setOvXDistance( ov_xdist );
+            final double height = _phylogeny.calculateHeight( !_options.isCollapsedWithAverageHeigh() );
+            if ( height > 0 ) {
+                final float ov_corr = ( float ) ( ( ( getOvMaxWidth() - l ) - getOvXDistance() ) / height );
+                setOvXcorrectionFactor( ov_corr > 0 ? ov_corr : 0 );
+            }
+            else {
+                setOvXcorrectionFactor( 0 );
             }
         }
-        if ( isPhyHasBranchLengths() && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
-            getControlPanel().setDrawPhylogramEnabled( true );
+        else {
+            setOvOn( false );
+        }
+    }
+
+    void updateSetOfCollapsedExternalNodes() {
+        final Phylogeny phy = getPhylogeny();
+        _collapsed_external_nodeid_set.clear();
+        if ( phy != null ) {
+            E: for( final PhylogenyNodeIterator it = phy.iteratorExternalForward(); it.hasNext(); ) {
+                final PhylogenyNode ext_node = it.next();
+                PhylogenyNode n = ext_node;
+                while ( !n.isRoot() ) {
+                    if ( n.isCollapse() ) {
+                        _collapsed_external_nodeid_set.add( ext_node.getId() );
+                        ext_node.setCollapse( true );
+                        continue E;
+                    }
+                    n = n.getParent();
+                }
+            }
+        }
+    }
+
+    final void updateSubSuperTreeButton() {
+        if ( _subtree_index < 1 ) {
+            getControlPanel().deactivateButtonToReturnToSuperTree();
         }
         else {
-            getControlPanel().setDrawPhylogramEnabled( false );
+            getControlPanel().activateButtonToReturnToSuperTree( _subtree_index );
         }
-        if ( getMainPanel().getMainFrame() == null ) {
-            // Must be "E" applet version.
-            ( ( ArchaeopteryxE ) ( ( MainPanelApplets ) getMainPanel() ).getApplet() )
-                    .setSelectedTypeInTypeMenu( getPhylogenyGraphicsType() );
+    }
+
+    final void updateButtonToUncollapseAll() {
+        if ( PhylogenyMethods.isHasCollapsedNodes( _phylogeny ) ) {
+            getControlPanel().activateButtonToUncollapseAll();
         }
         else {
-            getMainPanel().getMainFrame().setSelectedTypeInTypeMenu( getPhylogenyGraphicsType() );
+            getControlPanel().deactivateButtonToUncollapseAll();
+        }
+    }
+
+    final void zoomInDomainStructure() {
+        if ( _domain_structure_width < 2000 ) {
+            _domain_structure_width *= 1.2;
+        }
+    }
+
+    final void zoomOutDomainStructure() {
+        if ( _domain_structure_width > 20 ) {
+            _domain_structure_width *= 0.8;
         }
     }
 
@@ -5834,64 +6414,141 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         g.drawString( str, x, y );
     }
 
-    final private static boolean plusPressed( final int key_code ) {
-        return ( ( key_code == KeyEvent.VK_ADD ) || ( key_code == KeyEvent.VK_PLUS )
-                || ( key_code == KeyEvent.VK_EQUALS ) || ( key_code == KeyEvent.VK_SEMICOLON ) || ( key_code == KeyEvent.VK_1 ) );
+    final private void drawStringX( final String str, final float x, final float y, final Graphics2D g ) {
+        //TODO
+        //FIXME
+        if ( getAttributedStringMap() == null /*&& getAttributedStringMap().containsKey(str) */ ) {
+            final AttributedString as = new AttributedString( str );
+            //Font plainFont = new Font("Times New Roman", Font.PLAIN, 24);
+            as.addAttribute( TextAttribute.FONT, g.getFont() );
+            as.addAttribute( TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON, 1, 3 );
+            as.addAttribute( TextAttribute.SUPERSCRIPT, TextAttribute.SUPERSCRIPT_SUPER, 3, 4 );
+            as.addAttribute( TextAttribute.FOREGROUND, Color.BLUE, 1, 2 );
+            as.addAttribute( TextAttribute.FOREGROUND, Color.PINK, 3, 5 );
+            as.addAttribute( TextAttribute.STRIKETHROUGH, TextAttribute.STRIKETHROUGH_ON, 2, 4 );
+            g.drawString( as.getIterator(), x, y );
+        }
+        else {
+            g.drawString( str, x, y );
+        }
     }
 
-    final private class NodeColorizationActionListener implements ActionListener {
+    private final Map<String, AttributedString> getAttributedStringMap() {
+        return _attributed_string_map;
+    }
 
-        List<PhylogenyNode> _additional_nodes = null;
-        JColorChooser       _chooser          = null;
-        PhylogenyNode       _node             = null;
+    private final void setAttributedStringMap( final Map<String, AttributedString> attributed_string_map ) {
+        _attributed_string_map = attributed_string_map;
+    }
 
-        NodeColorizationActionListener( final JColorChooser chooser, final PhylogenyNode node ) {
-            _chooser = chooser;
-            _node = node;
-        }
+    final private static boolean plusPressed( final int key_code ) {
+        return ( ( key_code == KeyEvent.VK_ADD ) || ( key_code == KeyEvent.VK_PLUS )
+                || ( key_code == KeyEvent.VK_EQUALS ) || ( key_code == KeyEvent.VK_SEMICOLON )
+                || ( key_code == KeyEvent.VK_1 ) );
+    }
 
-        NodeColorizationActionListener( final JColorChooser chooser,
-                                        final PhylogenyNode node,
-                                        final List<PhylogenyNode> additional_nodes ) {
-            _chooser = chooser;
-            _node = node;
-            _additional_nodes = additional_nodes;
+    public void decreaseDepthCollapseLevel() {
+        if ( ( _phylogeny != null ) && ( _phylogeny.getNumberOfExternalNodes() > 2 ) ) {
+            if ( _depth_collapse_level <= 1 ) {
+                _depth_collapse_level = PhylogenyMethods.calculateMaxDepth( _phylogeny );
+                uncollapseAll();
+            }
+            else {
+                --_depth_collapse_level;
+                PhylogenyMethods.collapseToDepth( _phylogeny, _depth_collapse_level );
+            }
         }
+    }
 
-        @Override
-        public void actionPerformed( final ActionEvent e ) {
-            final Color c = _chooser.getColor();
-            if ( c != null ) {
-                colorizeNodes( c, _node, _additional_nodes );
+    public void increaseDepthCollapseLevel() {
+        if ( ( _phylogeny != null ) && ( _phylogeny.getNumberOfExternalNodes() > 2 ) ) {
+            final int max = PhylogenyMethods.calculateMaxDepth( _phylogeny );
+            if ( _depth_collapse_level >= max ) {
+                _depth_collapse_level = 1;
+            }
+            else {
+                ++_depth_collapse_level;
             }
+            PhylogenyMethods.collapseToDepth( _phylogeny, _depth_collapse_level );
         }
     }
 
-    final private class SubtreeColorizationActionListener implements ActionListener {
-
-        List<PhylogenyNode> _additional_nodes = null;
-        JColorChooser       _chooser          = null;
-        PhylogenyNode       _node             = null;
+    public void decreaseRankCollapseLevel() {
+        if ( ( _phylogeny != null ) && ( _phylogeny.getNumberOfExternalNodes() > 2 ) ) {
+            final String ranks[] = PhylogenyMethods.obtainPresentRanksSorted( _phylogeny );
+            if ( ranks.length > 1 ) {
+                if ( _rank_collapse_level <= 0 ) {
+                    _rank_collapse_level = ranks.length - 1;
+                    uncollapseAll();
+                }
+                else {
+                    --_rank_collapse_level;
+                    PhylogenyMethods.collapseToRank( _phylogeny,
+                                                     mapToAbsoluteRankLevel( ranks, _rank_collapse_level ) );
+                }
+            }
+        }
+    }
 
-        SubtreeColorizationActionListener( final JColorChooser chooser, final PhylogenyNode node ) {
-            _chooser = chooser;
-            _node = node;
+    public void increaseRankCollapseLevel() {
+        if ( ( _phylogeny != null ) && ( _phylogeny.getNumberOfExternalNodes() > 2 ) ) {
+            final String ranks[] = PhylogenyMethods.obtainPresentRanksSorted( _phylogeny );
+            if ( ranks.length > 1 ) {
+                if ( _rank_collapse_level >= ( ranks.length - 1 ) ) {
+                    _rank_collapse_level = 0;
+                    PhylogenyMethods.collapseToRank( _phylogeny,
+                                                     mapToAbsoluteRankLevel( ranks, _rank_collapse_level ) );
+                }
+                else if ( _rank_collapse_level == ( ranks.length - 2 ) ) {
+                    ++_rank_collapse_level;
+                    uncollapseAll();
+                }
+                else {
+                    ++_rank_collapse_level;
+                    PhylogenyMethods.collapseToRank( _phylogeny,
+                                                     mapToAbsoluteRankLevel( ranks, _rank_collapse_level ) );
+                }
+            }
         }
+    }
 
-        SubtreeColorizationActionListener( final JColorChooser chooser,
-                                           final PhylogenyNode node,
-                                           final List<PhylogenyNode> additional_nodes ) {
-            _chooser = chooser;
-            _node = node;
-            _additional_nodes = additional_nodes;
+    private final static int mapToAbsoluteRankLevel( final String present_ranks_sorted[],
+                                                     final int rank_collapse_level ) {
+        final String rank_str = present_ranks_sorted[ rank_collapse_level ];
+        if ( !TaxonomyUtil.RANK_TO_INT.containsKey( rank_str ) ) {
+            throw new IllegalStateException( "unexpected exception: cannot find rank " + rank_str );
         }
+        return TaxonomyUtil.RANK_TO_INT.get( rank_str );
+    }
 
-        @Override
-        public void actionPerformed( final ActionEvent e ) {
-            final Color c = _chooser.getColor();
-            if ( c != null ) {
-                colorizeSubtree( c, _node, _additional_nodes );
-            }
+    private final void uncollapseAll() {
+        final PhylogenyNodeIterator it = new PreorderTreeIterator( _phylogeny );
+        while ( it.hasNext() ) {
+            it.next().setCollapse( false );
         }
     }
+
+    final int resetDepthCollapseDepthValue() {
+        return _depth_collapse_level = -1;
+    }
+
+    final int getDepthCollapseDepthValue() {
+        return _depth_collapse_level;
+    }
+
+    final void setDepthCollapseDepthValue( final int depth_collapse_level ) {
+        _depth_collapse_level = depth_collapse_level;
+    }
+
+    final int resetRankCollapseRankValue() {
+        return _rank_collapse_level = -1;
+    }
+
+    final int getRankCollapseRankValue() {
+        return _rank_collapse_level;
+    }
+
+    final void setRankCollapseRankValue( final int rank_collapse_level ) {
+        _rank_collapse_level = rank_collapse_level;
+    }
 }