inprogress
[jalview.git] / forester / java / src / org / forester / archaeopteryx / AptxUtil.java
index ca34d18..0e217c4 100644 (file)
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 //
 // Contact: phylosoft @ gmail . com
-// WWW: www.phylosoft.org/forester
+// WWW: https://sites.google.com/site/cmzmasek/home/software/forester
 
 package org.forester.archaeopteryx;
 
-import java.awt.Color;
 import java.awt.Component;
 import java.awt.Graphics2D;
 import java.awt.GraphicsEnvironment;
@@ -42,11 +41,10 @@ import java.net.URI;
 import java.net.URL;
 import java.text.ParseException;
 import java.util.Arrays;
-import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map;
 import java.util.Set;
 import java.util.SortedSet;
 import java.util.TreeSet;
@@ -60,25 +58,24 @@ import javax.swing.JApplet;
 import javax.swing.JOptionPane;
 import javax.swing.text.MaskFormatter;
 
-import org.forester.analysis.AncestralTaxonomyInference;
 import org.forester.io.parsers.PhylogenyParser;
+import org.forester.io.parsers.nexus.NexusPhylogeniesParser;
+import org.forester.io.parsers.nhx.NHXParser;
+import org.forester.io.parsers.nhx.NHXParser.TAXONOMY_EXTRACTION;
 import org.forester.io.parsers.phyloxml.PhyloXmlUtil;
 import org.forester.io.parsers.tol.TolParser;
 import org.forester.io.parsers.util.ParserUtils;
 import org.forester.phylogeny.Phylogeny;
 import org.forester.phylogeny.PhylogenyMethods;
+import org.forester.phylogeny.PhylogenyMethods.DESCENDANT_SORT_PRIORITY;
 import org.forester.phylogeny.PhylogenyNode;
-import org.forester.phylogeny.data.BranchColor;
-import org.forester.phylogeny.data.Distribution;
-import org.forester.phylogeny.data.Sequence;
 import org.forester.phylogeny.data.Taxonomy;
 import org.forester.phylogeny.factories.ParserBasedPhylogenyFactory;
 import org.forester.phylogeny.factories.PhylogenyFactory;
 import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
-import org.forester.phylogeny.iterators.PreorderTreeIterator;
+import org.forester.util.AsciiHistogram;
 import org.forester.util.DescriptiveStatistics;
 import org.forester.util.ForesterUtil;
-import org.forester.ws.uniprot.UniProtTaxonomy;
 
 public final class AptxUtil {
 
@@ -88,55 +85,27 @@ public final class AptxUtil {
         Arrays.sort( AVAILABLE_FONT_FAMILIES_SORTED );
     }
 
-    public static void ensurePresenceOfTaxonomy( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasTaxonomy() ) {
-            node.getNodeData().setTaxonomy( new Taxonomy() );
-        }
-    }
-
-    public static void ensurePresenceOfSequence( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasSequence() ) {
-            node.getNodeData().setSequence( new Sequence() );
-        }
-    }
-
-    final public static void ensurePresenceOfDistribution( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasDistribution() ) {
-            node.getNodeData().setDistribution( new Distribution( "" ) );
+    public static MaskFormatter createMaskFormatter( final String s ) {
+        MaskFormatter formatter = null;
+        try {
+            formatter = new MaskFormatter( s );
         }
-    }
-
-    final public static void ensurePresenceOfDate( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasDate() ) {
-            node.getNodeData().setDate( new org.forester.phylogeny.data.Date() );
+        catch ( final ParseException e ) {
+            throw new IllegalArgumentException( e );
         }
+        return formatter;
     }
 
-    final static public boolean isHasAtLeastOneBranchWithSupportValues( final Phylogeny phy ) {
+    final static public boolean isHasAtLeastNodeWithEvent( final Phylogeny phy ) {
         final PhylogenyNodeIterator it = phy.iteratorPostorder();
         while ( it.hasNext() ) {
-            if ( it.next().getBranchData().isHasConfidences() ) {
+            if ( it.next().getNodeData().isHasEvent() ) {
                 return true;
             }
         }
         return false;
     }
 
-    public static void writePhylogenyToGraphicsFileNonInteractive( final File intree,
-                                                                   final File outfile,
-                                                                   final int width,
-                                                                   final int height,
-                                                                   final GraphicsExportType type,
-                                                                   final Configuration config ) throws IOException {
-        final PhylogenyParser parser = ParserUtils.createParserDependingOnFileType( intree, true );
-        Phylogeny[] phys = null;
-        phys = PhylogenyMethods.readPhylogenies( parser, intree );
-        final MainFrameApplication mf = MainFrameApplication.createInstance( phys, config );
-        AptxUtil.writePhylogenyToGraphicsFile( outfile, width, height, mf.getMainPanel().getCurrentTreePanel(), mf
-                .getMainPanel().getControlPanel(), type, mf.getOptions() );
-        mf.end();
-    }
-
     /**
      * Returns true if at least one branch has a length larger than zero.
      * 
@@ -153,25 +122,143 @@ public final class AptxUtil {
         return false;
     }
 
-    final static public boolean isHasAtLeastNodeWithEvent( final Phylogeny phy ) {
+    final static public boolean isHasAtLeastOneBranchWithSupportValues( final Phylogeny phy ) {
         final PhylogenyNodeIterator it = phy.iteratorPostorder();
         while ( it.hasNext() ) {
-            if ( it.next().getNodeData().isHasEvent() ) {
+            if ( it.next().getBranchData().isHasConfidences() ) {
                 return true;
             }
         }
         return false;
     }
 
-    public static MaskFormatter createMaskFormatter( final String s ) {
-        MaskFormatter formatter = null;
-        try {
-            formatter = new MaskFormatter( s );
+    final public static void launchWebBrowser( final URI uri,
+                                               final boolean is_applet,
+                                               final JApplet applet,
+                                               final String frame_name ) throws IOException {
+        if ( is_applet ) {
+            applet.getAppletContext().showDocument( uri.toURL(), frame_name );
         }
-        catch ( final ParseException e ) {
-            throw new IllegalArgumentException( e );
+        else {
+            // This requires Java 1.6:
+            // =======================
+            // boolean no_desktop = false;
+            // try {
+            // if ( Desktop.isDesktopSupported() ) {
+            // System.out.println( "desktop supported" );
+            // final Desktop dt = Desktop.getDesktop();
+            // dt.browse( uri );
+            // }
+            // else {
+            // no_desktop = true;
+            // }
+            // }
+            // catch ( final Exception ex ) {
+            // ex.printStackTrace();
+            // no_desktop = true;
+            // }
+            // catch ( final Error er ) {
+            // er.printStackTrace();
+            // no_desktop = true;
+            // }
+            // if ( no_desktop ) {
+            // System.out.println( "desktop not supported" );
+            try {
+                openUrlInWebBrowser( uri.toString() );
+            }
+            catch ( final Exception e ) {
+                throw new IOException( e );
+            }
+            // }
         }
-        return formatter;
+    }
+
+    public static Set<Taxonomy> obtainAllDistinctTaxonomies( final PhylogenyNode node ) {
+        final List<PhylogenyNode> descs = node.getAllExternalDescendants();
+        final Set<Taxonomy> tax_set = new HashSet<Taxonomy>();
+        for( final PhylogenyNode n : descs ) {
+            if ( n.getNodeData().isHasTaxonomy() && !n.getNodeData().getTaxonomy().isEmpty() ) {
+                tax_set.add( n.getNodeData().getTaxonomy() );
+            }
+        }
+        return tax_set;
+    }
+
+    public final static void printWarningMessage( final String name, final String message ) {
+        System.out.println( "[" + name + "] > " + message );
+    }
+
+    final public static void showErrorMessage( final Component parent, final String error_msg ) {
+        printAppletMessage( Constants.PRG_NAME, error_msg );
+        JOptionPane.showMessageDialog( parent, error_msg, "[" + Constants.PRG_NAME + " " + Constants.VERSION
+                + "] Error", JOptionPane.ERROR_MESSAGE );
+    }
+
+    public static void writePhylogenyToGraphicsFile( final File intree,
+                                                     final File outfile,
+                                                     final int width,
+                                                     final int height,
+                                                     final GraphicsExportType type,
+                                                     final Configuration config ) throws IOException {
+        final PhylogenyParser parser = ParserUtils.createParserDependingOnFileType( intree, true );
+        Phylogeny[] phys = null;
+        phys = PhylogenyMethods.readPhylogenies( parser, intree );
+        writePhylogenyToGraphicsFile( phys[ 0 ], outfile, width, height, type, config );
+    }
+
+    public static void writePhylogenyToGraphicsFile( final Phylogeny phy,
+                                                     final File outfile,
+                                                     final int width,
+                                                     final int height,
+                                                     final GraphicsExportType type,
+                                                     final Configuration config ) throws IOException {
+        final Phylogeny[] phys = new Phylogeny[ 1 ];
+        phys[ 0 ] = phy;
+        final MainFrameApplication mf = MainFrameApplication.createInstance( phys, config );
+        AptxUtil.writePhylogenyToGraphicsFileNonInteractive( outfile, width, height, mf.getMainPanel()
+                .getCurrentTreePanel(), mf.getMainPanel().getControlPanel(), type, mf.getOptions() );
+        mf.end();
+    }
+
+    public final static void writePhylogenyToGraphicsFileNonInteractive( final File outfile,
+                                                                         final int width,
+                                                                         final int height,
+                                                                         final TreePanel tree_panel,
+                                                                         final ControlPanel ac,
+                                                                         final GraphicsExportType type,
+                                                                         final Options options ) throws IOException {
+        tree_panel.calcParametersForPainting( width, height, true );
+        tree_panel.resetPreferredSize();
+        tree_panel.repaint();
+        final RenderingHints rendering_hints = new RenderingHints( RenderingHints.KEY_RENDERING,
+                                                                   RenderingHints.VALUE_RENDER_QUALITY );
+        rendering_hints.put( RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY );
+        if ( options.isAntialiasPrint() ) {
+            rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
+            rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_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 Phylogeny phylogeny = tree_panel.getPhylogeny();
+        if ( ( phylogeny == null ) || phylogeny.isEmpty() ) {
+            return;
+        }
+        if ( outfile.isDirectory() ) {
+            throw new IOException( "\"" + outfile + "\" is a directory" );
+        }
+        final BufferedImage buffered_img = new BufferedImage( width, height, BufferedImage.TYPE_INT_RGB );
+        final Graphics2D g2d = buffered_img.createGraphics();
+        g2d.setRenderingHints( rendering_hints );
+        tree_panel.paintPhylogeny( g2d, false, true, width, height, 0, 0 );
+        if ( type == GraphicsExportType.TIFF ) {
+            writeToTiff( outfile, buffered_img );
+        }
+        else {
+            ImageIO.write( buffered_img, type.toString(), outfile );
+        }
+        g2d.dispose();
     }
 
     final static void addPhylogeniesToTabs( final Phylogeny[] phys,
@@ -275,230 +362,29 @@ public final class AptxUtil {
         lookAtSomeTreePropertiesForAptxControlSettings( phy, main_panel.getControlPanel(), configuration );
     }
 
-    final static Color calculateColorFromString( final String str ) {
-        final String species_uc = str.toUpperCase();
-        char first = species_uc.charAt( 0 );
-        char second = ' ';
-        char third = ' ';
-        if ( species_uc.length() > 1 ) {
-            second = species_uc.charAt( 1 );
-            if ( species_uc.length() > 2 ) {
-                if ( species_uc.indexOf( " " ) > 0 ) {
-                    third = species_uc.charAt( species_uc.indexOf( " " ) + 1 );
-                }
-                else {
-                    third = species_uc.charAt( 2 );
-                }
-            }
-        }
-        first = AptxUtil.normalizeCharForRGB( first );
-        second = AptxUtil.normalizeCharForRGB( second );
-        third = AptxUtil.normalizeCharForRGB( third );
-        if ( ( first > 235 ) && ( second > 235 ) && ( third > 235 ) ) {
-            first = 0;
-        }
-        else if ( ( first < 80 ) && ( second < 80 ) && ( third < 80 ) ) {
-            second = 255;
-        }
-        return new Color( first, second, third );
-    }
-
     // Returns true if the specified format name can be written
     final static boolean canWriteFormat( final String format_name ) {
         final Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName( format_name );
         return iter.hasNext();
     }
 
-    final public static void collapseSpeciesSpecificSubtrees( final Phylogeny phy ) {
-        boolean inferred = false;
-        for( final PhylogenyNodeIterator it = phy.iteratorPreorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( !n.isExternal() && !n.isCollapse() && ( n.getNumberOfDescendants() > 1 ) ) {
-                final Set<Taxonomy> taxs = PhylogenyMethods.obtainDistinctTaxonomies( n );
-                if ( ( taxs != null ) && ( taxs.size() == 1 ) ) {
-                    AptxUtil.collapseSubtree( n, true );
-                    if ( !n.getNodeData().isHasTaxonomy() ) {
-                        n.getNodeData().setTaxonomy( ( Taxonomy ) n.getAllExternalDescendants().get( 0 ).getNodeData()
-                                .getTaxonomy().copy() );
-                    }
-                    inferred = true;
-                }
-                else {
-                    n.setCollapse( false );
-                }
-            }
-        }
-        if ( inferred ) {
-            phy.setRerootable( false );
-        }
-    }
-
-    final static void collapseSubtree( final PhylogenyNode node, final boolean collapse ) {
-        node.setCollapse( collapse );
-        if ( node.isExternal() ) {
-            return;
-        }
-        final PhylogenyNodeIterator it = new PreorderTreeIterator( node );
-        while ( it.hasNext() ) {
-            it.next().setCollapse( collapse );
-        }
-    }
-
-    final static void colorPhylogenyAccordingToConfidenceValues( final Phylogeny tree, final TreePanel tree_panel ) {
-        double max_conf = 0.0;
-        for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            n.getBranchData().setBranchColor( null );
-            if ( n.getBranchData().isHasConfidences() ) {
-                final double conf = PhylogenyMethods.getConfidenceValue( n );
-                if ( conf > max_conf ) {
-                    max_conf = conf;
-                }
-            }
-        }
-        if ( max_conf > 0.0 ) {
-            final Color bg = tree_panel.getTreeColorSet().getBackgroundColor();
-            final Color br = tree_panel.getTreeColorSet().getBranchColor();
-            for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
-                final PhylogenyNode n = it.next();
-                if ( n.getBranchData().isHasConfidences() ) {
-                    final double conf = PhylogenyMethods.getConfidenceValue( n );
-                    final BranchColor c = new BranchColor( ForesterUtil.calcColor( conf, 0.0, max_conf, bg, br ) );
-                    colorizeSubtree( n, c );
-                }
-            }
-        }
-    }
-
-    final static int colorPhylogenyAccordingToRanks( final Phylogeny tree, final String rank, final TreePanel tree_panel ) {
-        final Map<String, Color> true_lineage_to_color_map = new HashMap<String, Color>();
-        int colorizations = 0;
-        for( final PhylogenyNodeIterator it = tree.iteratorPostorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( n.getNodeData().isHasTaxonomy()
-                    && ( !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() )
-                            || !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getCommonName() ) || !ForesterUtil
-                            .isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) ) {
-                if ( !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getRank() )
-                        && n.getNodeData().getTaxonomy().getRank().equalsIgnoreCase( rank ) ) {
-                    final BranchColor c = new BranchColor( tree_panel.calculateTaxonomyBasedColor( n.getNodeData()
-                            .getTaxonomy() ) );
-                    colorizeSubtree( n, c );
-                    ++colorizations;
-                    if ( !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
-                        true_lineage_to_color_map.put( n.getNodeData().getTaxonomy().getScientificName(), c.getValue() );
-                    }
+    final static String createBasicInformation( final Phylogeny phy, final File treefile ) {
+        final StringBuilder desc = new StringBuilder();
+        if ( ( phy != null ) && !phy.isEmpty() ) {
+            String f = null;
+            if ( treefile != null ) {
+                try {
+                    f = treefile.getCanonicalPath();
                 }
-            }
-        }
-        for( final PhylogenyNodeIterator it = tree.iteratorPostorder(); it.hasNext(); ) {
-            final PhylogenyNode node = it.next();
-            if ( ( node.getBranchData().getBranchColor() == null ) && node.getNodeData().isHasTaxonomy()
-                    && !ForesterUtil.isEmpty( node.getNodeData().getTaxonomy().getLineage() ) ) {
-                boolean success = false;
-                if ( !true_lineage_to_color_map.isEmpty() ) {
-                    for( final String lin : node.getNodeData().getTaxonomy().getLineage() ) {
-                        if ( true_lineage_to_color_map.containsKey( lin ) ) {
-                            colorizeSubtree( node, new BranchColor( true_lineage_to_color_map.get( lin ) ) );
-                            ++colorizations;
-                            success = true;
-                            break;
-                        }
-                    }
+                catch ( final IOException e ) {
+                    //Not important, ignore.
                 }
-                if ( !success ) {
-                    final Map<String, String> lineage_to_rank_map = MainPanel.getLineageToRankMap();
-                    for( final String lin : node.getNodeData().getTaxonomy().getLineage() ) {
-                        final Taxonomy temp_tax = new Taxonomy();
-                        temp_tax.setScientificName( lin );
-                        if ( lineage_to_rank_map.containsKey( lin )
-                                && !ForesterUtil.isEmpty( lineage_to_rank_map.get( lin ) )
-                                && lineage_to_rank_map.get( lin ).equalsIgnoreCase( rank ) ) {
-                            final BranchColor c = new BranchColor( tree_panel.calculateTaxonomyBasedColor( temp_tax ) );
-                            colorizeSubtree( node, c );
-                            ++colorizations;
-                            true_lineage_to_color_map.put( lin, c.getValue() );
-                            break;
-                        }
-                        else {
-                            UniProtTaxonomy up = null;
-                            try {
-                                up = AncestralTaxonomyInference.obtainUniProtTaxonomy( temp_tax, null, null );
-                            }
-                            catch ( final Exception e ) {
-                                e.printStackTrace();
-                            }
-                            if ( ( up != null ) && !ForesterUtil.isEmpty( up.getRank() ) ) {
-                                lineage_to_rank_map.put( lin, up.getRank() );
-                                if ( up.getRank().equalsIgnoreCase( rank ) ) {
-                                    final BranchColor c = new BranchColor( tree_panel.calculateTaxonomyBasedColor( temp_tax ) );
-                                    colorizeSubtree( node, c );
-                                    ++colorizations;
-                                    true_lineage_to_color_map.put( lin, c.getValue() );
-                                    break;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        return colorizations;
-    }
-
-    private static void colorizeSubtree( final PhylogenyNode node, final BranchColor c ) {
-        node.getBranchData().setBranchColor( c );
-        final List<PhylogenyNode> descs = PhylogenyMethods.getAllDescendants( node );
-        for( final PhylogenyNode desc : descs ) {
-            desc.getBranchData().setBranchColor( c );
-        }
-    }
-
-    final static String[] getAllRanks( final Phylogeny tree ) {
-        final SortedSet<String> ranks = new TreeSet<String>();
-        for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( n.getNodeData().isHasTaxonomy() && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getRank() ) ) {
-                ranks.add( n.getNodeData().getTaxonomy().getRank() );
-            }
-        }
-        return ForesterUtil.stringSetToArray( ranks );
-    }
-
-    public static String[] getAllPossibleRanks() {
-        final String[] str_array = new String[ PhyloXmlUtil.TAXONOMY_RANKS_LIST.size() - 2 ];
-        int i = 0;
-        for( final String e : PhyloXmlUtil.TAXONOMY_RANKS_LIST ) {
-            if ( !e.equals( PhyloXmlUtil.UNKNOWN ) && !e.equals( PhyloXmlUtil.OTHER ) ) {
-                str_array[ i++ ] = e;
-            }
-        }
-        return str_array;
-    }
-
-    final static void colorPhylogenyAccordingToExternalTaxonomy( final Phylogeny tree, final TreePanel tree_panel ) {
-        for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
-            it.next().getBranchData().setBranchColor( null );
-        }
-        for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( !n.getBranchData().isHasBranchColor() ) {
-                final Taxonomy tax = PhylogenyMethods.getExternalDescendantsTaxonomy( n );
-                if ( tax != null ) {
-                    n.getBranchData().setBranchColor( new BranchColor( tree_panel.calculateTaxonomyBasedColor( tax ) ) );
-                    final List<PhylogenyNode> descs = PhylogenyMethods.getAllDescendants( n );
-                    for( final PhylogenyNode desc : descs ) {
-                        desc.getBranchData()
-                                .setBranchColor( new BranchColor( tree_panel.calculateTaxonomyBasedColor( tax ) ) );
-                    }
+                if ( !ForesterUtil.isEmpty( f ) ) {
+                    desc.append( "Path: " );
+                    desc.append( f );
+                    desc.append( "\n" );
                 }
             }
-        }
-    }
-
-    final static String crateBasicInformation( final Phylogeny phy ) {
-        final StringBuilder desc = new StringBuilder();
-        if ( ( phy != null ) && !phy.isEmpty() ) {
             if ( !ForesterUtil.isEmpty( phy.getName() ) ) {
                 desc.append( "Name: " );
                 desc.append( phy.getName() );
@@ -506,7 +392,22 @@ public final class AptxUtil {
             }
             if ( phy.getIdentifier() != null ) {
                 desc.append( "Id: " );
-                desc.append( phy.getIdentifier() );
+                desc.append( phy.getIdentifier().toString() );
+                desc.append( "\n" );
+            }
+            if ( !ForesterUtil.isEmpty( phy.getDescription() ) ) {
+                desc.append( "Description: " );
+                desc.append( phy.getDescription() );
+                desc.append( "\n" );
+            }
+            if ( !ForesterUtil.isEmpty( phy.getDistanceUnit() ) ) {
+                desc.append( "Distance Unit: " );
+                desc.append( phy.getDistanceUnit() );
+                desc.append( "\n" );
+            }
+            if ( !ForesterUtil.isEmpty( phy.getType() ) ) {
+                desc.append( "Type: " );
+                desc.append( phy.getType() );
                 desc.append( "\n" );
             }
             desc.append( "Rooted: " );
@@ -515,16 +416,19 @@ public final class AptxUtil {
             desc.append( "Rerootable: " );
             desc.append( phy.isRerootable() );
             desc.append( "\n" );
-            desc.append( "Node sum: " );
+            desc.append( "Nodes: " );
             desc.append( phy.getNodeCount() );
             desc.append( "\n" );
-            desc.append( "External node sum: " );
+            desc.append( "External nodes: " );
             desc.append( phy.getNumberOfExternalNodes() );
             desc.append( "\n" );
-            desc.append( "Internal node sum: " );
+            desc.append( "Internal nodes: " );
             desc.append( phy.getNodeCount() - phy.getNumberOfExternalNodes() );
             desc.append( "\n" );
-            desc.append( "Branche sum: " );
+            desc.append( "Internal nodes with polytomies: " );
+            desc.append( PhylogenyMethods.countNumberOfPolytomies( phy ) );
+            desc.append( "\n" );
+            desc.append( "Branches: " );
             desc.append( phy.getNumberOfBranches() );
             desc.append( "\n" );
             desc.append( "Depth: " );
@@ -533,42 +437,90 @@ public final class AptxUtil {
             desc.append( "Maximum distance to root: " );
             desc.append( ForesterUtil.round( PhylogenyMethods.calculateMaxDistanceToRoot( phy ), 6 ) );
             desc.append( "\n" );
-            desc.append( "Descendants per node statistics: " );
-            final DescriptiveStatistics ds = PhylogenyMethods.calculatNumberOfDescendantsPerNodeStatistics( phy );
-            desc.append( "\n" );
-            desc.append( "    Median: " + ForesterUtil.round( ds.median(), 2 ) );
-            desc.append( "\n" );
-            desc.append( "    Mean: " + ForesterUtil.round( ds.arithmeticMean(), 2 ) );
-            desc.append( "\n" );
-            desc.append( "    SD: " + ForesterUtil.round( ds.sampleStandardDeviation(), 2 ) );
-            desc.append( "\n" );
-            desc.append( "    Minimum: " + ForesterUtil.roundToInt( ds.getMin() ) );
-            desc.append( "\n" );
-            desc.append( "    Maximum: " + ForesterUtil.roundToInt( ds.getMax() ) );
+            final Set<Taxonomy> taxs = obtainAllDistinctTaxonomies( phy.getRoot() );
+            if ( taxs != null ) {
+                desc.append( "Distinct external taxonomies: " );
+                desc.append( taxs.size() );
+            }
+            for( final Taxonomy t : taxs ) {
+                System.out.println( t.toString() );
+            }
             desc.append( "\n" );
-            final DescriptiveStatistics cs = PhylogenyMethods.calculatConfidenceStatistics( phy );
-            if ( cs.getN() > 1 ) {
-                desc.append( "Support statistics: " );
+            final DescriptiveStatistics bs = PhylogenyMethods.calculatBranchLengthStatistics( phy );
+            if ( bs.getN() > 3 ) {
                 desc.append( "\n" );
-                desc.append( "    Branches with support: " + cs.getN() );
+                desc.append( "Branch-length statistics: " );
                 desc.append( "\n" );
-                desc.append( "    Median: " + ForesterUtil.round( cs.median(), 6 ) );
+                desc.append( "    Number of branches with non-negative branch-lengths: " + bs.getN() );
                 desc.append( "\n" );
-                desc.append( "    Mean: " + ForesterUtil.round( cs.arithmeticMean(), 6 ) );
+                desc.append( "    Median: " + ForesterUtil.round( bs.median(), 6 ) );
                 desc.append( "\n" );
-                if ( cs.getN() > 2 ) {
-                    desc.append( "    SD: " + ForesterUtil.round( cs.sampleStandardDeviation(), 6 ) );
+                desc.append( "    Mean: " + ForesterUtil.round( bs.arithmeticMean(), 6 ) + " (stdev: "
+                        + ForesterUtil.round( bs.sampleStandardDeviation(), 6 ) + ")" );
+                desc.append( "\n" );
+                desc.append( "    Minimum: " + ForesterUtil.round( bs.getMin(), 6 ) );
+                desc.append( "\n" );
+                desc.append( "    Maximum: " + ForesterUtil.round( bs.getMax(), 6 ) );
+                desc.append( "\n" );
+                if ( Math.abs( bs.getMax() - bs.getMin() ) > 0.0001 ) {
                     desc.append( "\n" );
+                    final AsciiHistogram histo = new AsciiHistogram( bs );
+                    desc.append( histo.toStringBuffer( 12, '#', 40, 7, "    " ) );
                 }
-                desc.append( "    Minimum: " + ForesterUtil.roundToInt( cs.getMin() ) );
+            }
+            final DescriptiveStatistics ds = PhylogenyMethods.calculatNumberOfDescendantsPerNodeStatistics( phy );
+            if ( ds.getN() > 2 ) {
+                desc.append( "\n" );
+                desc.append( "Descendants per node statistics: " );
+                desc.append( "\n" );
+                desc.append( "    Median: " + ForesterUtil.round( ds.median(), 6 ) );
+                desc.append( "\n" );
+                desc.append( "    Mean: " + ForesterUtil.round( ds.arithmeticMean(), 6 ) + " (stdev: "
+                        + ForesterUtil.round( ds.sampleStandardDeviation(), 6 ) + ")" );
                 desc.append( "\n" );
-                desc.append( "    Maximum: " + ForesterUtil.roundToInt( cs.getMax() ) );
+                desc.append( "    Minimum: " + ForesterUtil.roundToInt( ds.getMin() ) );
+                desc.append( "\n" );
+                desc.append( "    Maximum: " + ForesterUtil.roundToInt( ds.getMax() ) );
                 desc.append( "\n" );
             }
-            final Set<Taxonomy> taxs = PhylogenyMethods.obtainDistinctTaxonomies( phy.getRoot() );
-            if ( taxs != null ) {
-                desc.append( "Distinct external taxonomies: " );
-                desc.append( taxs.size() );
+            List<DescriptiveStatistics> css = null;
+            try {
+                css = PhylogenyMethods.calculatConfidenceStatistics( phy );
+            }
+            catch ( final IllegalArgumentException e ) {
+                ForesterUtil.printWarningMessage( Constants.PRG_NAME, e.getMessage() );
+            }
+            if ( ( css != null ) && ( css.size() > 0 ) ) {
+                desc.append( "\n" );
+                for( int i = 0; i < css.size(); ++i ) {
+                    final DescriptiveStatistics cs = css.get( i );
+                    if ( ( cs != null ) && ( cs.getN() > 1 ) ) {
+                        if ( css.size() > 1 ) {
+                            desc.append( "Support statistics " + ( i + 1 ) + ": " );
+                        }
+                        else {
+                            desc.append( "Support statistics: " );
+                        }
+                        if ( !ForesterUtil.isEmpty( cs.getDescription() ) ) {
+                            desc.append( "\n" );
+                            desc.append( "    Type: " + cs.getDescription() );
+                        }
+                        desc.append( "\n" );
+                        desc.append( "    Branches with support: " + cs.getN() );
+                        desc.append( "\n" );
+                        desc.append( "    Median: " + ForesterUtil.round( cs.median(), 6 ) );
+                        desc.append( "\n" );
+                        desc.append( "    Mean: " + ForesterUtil.round( cs.arithmeticMean(), 6 ) );
+                        if ( cs.getN() > 2 ) {
+                            desc.append( " (stdev: " + ForesterUtil.round( cs.sampleStandardDeviation(), 6 ) + ")" );
+                        }
+                        desc.append( "\n" );
+                        desc.append( "    Minimum: " + ForesterUtil.round( cs.getMin(), 6 ) );
+                        desc.append( "\n" );
+                        desc.append( "    Maximum: " + ForesterUtil.round( cs.getMax(), 6 ) );
+                        desc.append( "\n" );
+                    }
+                }
             }
         }
         return desc.toString();
@@ -590,58 +542,30 @@ public final class AptxUtil {
         System.exit( -1 );
     }
 
-    final static String[] getAvailableFontFamiliesSorted() {
-        return AVAILABLE_FONT_FAMILIES_SORTED;
-    }
-
-    final static void inferCommonPartOfScientificNames( final Phylogeny tree ) {
-        boolean inferred = false;
-        for( final PhylogenyNodeIterator it = tree.iteratorPostorder(); it.hasNext(); ) {
-            final PhylogenyNode n = it.next();
-            if ( !n.getNodeData().isHasTaxonomy() && !n.isExternal() ) {
-                final String sn = PhylogenyMethods.inferCommonPartOfScientificNameOfDescendants( n );
-                if ( !ForesterUtil.isEmpty( sn ) ) {
-                    n.getNodeData().setTaxonomy( new Taxonomy() );
-                    n.getNodeData().getTaxonomy().setScientificName( sn );
-                    inferred = true;
-                }
+    final static String[] getAllPossibleRanks() {
+        final String[] str_array = new String[ PhyloXmlUtil.TAXONOMY_RANKS_LIST.size() - 2 ];
+        int i = 0;
+        for( final String e : PhyloXmlUtil.TAXONOMY_RANKS_LIST ) {
+            if ( !e.equals( PhyloXmlUtil.UNKNOWN ) && !e.equals( PhyloXmlUtil.OTHER ) ) {
+                str_array[ i++ ] = e;
             }
         }
-        if ( inferred ) {
-            tree.setRerootable( false );
-        }
-    }
-
-    final static boolean isHasAssignedEvent( final PhylogenyNode node ) {
-        if ( !node.getNodeData().isHasEvent() ) {
-            return false;
-        }
-        if ( ( node.getNodeData().getEvent() ).isUnassigned() ) {
-            return false;
-        }
-        return true;
+        return str_array;
     }
 
-    final static boolean isJava15() {
-        try {
-            final String s = ForesterUtil.JAVA_VERSION;
-            return s.startsWith( "1.5" );
-        }
-        catch ( final Exception e ) {
-            ForesterUtil.printWarningMessage( Constants.PRG_NAME, "minor error: " + e );
-            return false;
+    final static String[] getAllRanks( final Phylogeny tree ) {
+        final SortedSet<String> ranks = new TreeSet<String>();
+        for( final PhylogenyNodeIterator it = tree.iteratorPreorder(); it.hasNext(); ) {
+            final PhylogenyNode n = it.next();
+            if ( n.getNodeData().isHasTaxonomy() && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getRank() ) ) {
+                ranks.add( n.getNodeData().getTaxonomy().getRank() );
+            }
         }
+        return ForesterUtil.stringSetToArray( ranks );
     }
 
-    final static boolean isMac() {
-        try {
-            final String s = ForesterUtil.OS_NAME.toLowerCase();
-            return s.startsWith( "mac" );
-        }
-        catch ( final Exception e ) {
-            ForesterUtil.printWarningMessage( Constants.PRG_NAME, "minor error: " + e );
-            return false;
-        }
+    final static String[] getAvailableFontFamiliesSorted() {
+        return AVAILABLE_FONT_FAMILIES_SORTED;
     }
 
     final static boolean isUsOrCanada() {
@@ -656,58 +580,6 @@ public final class AptxUtil {
         return false;
     }
 
-    final static boolean isWindows() {
-        try {
-            final String s = ForesterUtil.OS_NAME.toLowerCase();
-            return s.indexOf( "win" ) > -1;
-        }
-        catch ( final Exception e ) {
-            ForesterUtil.printWarningMessage( Constants.PRG_NAME, "minor error: " + e );
-            return false;
-        }
-    }
-
-    final static void launchWebBrowser( final URI uri,
-                                        final boolean is_applet,
-                                        final JApplet applet,
-                                        final String frame_name ) throws IOException {
-        if ( is_applet ) {
-            applet.getAppletContext().showDocument( uri.toURL(), frame_name );
-        }
-        else {
-            // This requires Java 1.6:
-            // =======================
-            // boolean no_desktop = false;
-            // try {
-            // if ( Desktop.isDesktopSupported() ) {
-            // System.out.println( "desktop supported" );
-            // final Desktop dt = Desktop.getDesktop();
-            // dt.browse( uri );
-            // }
-            // else {
-            // no_desktop = true;
-            // }
-            // }
-            // catch ( final Exception ex ) {
-            // ex.printStackTrace();
-            // no_desktop = true;
-            // }
-            // catch ( final Error er ) {
-            // er.printStackTrace();
-            // no_desktop = true;
-            // }
-            // if ( no_desktop ) {
-            // System.out.println( "desktop not supported" );
-            try {
-                openUrlInWebBrowser( uri.toString() );
-            }
-            catch ( final Exception e ) {
-                throw new IOException( e );
-            }
-            // }
-        }
-    }
-
     final static void lookAtSomeTreePropertiesForAptxControlSettings( final Phylogeny t,
                                                                       final ControlPanel atv_control,
                                                                       final Configuration configuration ) {
@@ -750,44 +622,6 @@ public final class AptxUtil {
         }
     }
 
-    final private static char normalizeCharForRGB( char c ) {
-        c -= 65;
-        c *= 10.2;
-        c = c > 255 ? 255 : c;
-        c = c < 0 ? 0 : c;
-        return c;
-    }
-
-    final private static void openUrlInWebBrowser( final String url ) throws IOException, ClassNotFoundException,
-            SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException,
-            InvocationTargetException, InterruptedException {
-        final String os = System.getProperty( "os.name" );
-        final Runtime runtime = Runtime.getRuntime();
-        if ( os.toLowerCase().startsWith( "win" ) ) {
-            Runtime.getRuntime().exec( "rundll32 url.dll,FileProtocolHandler " + url );
-        }
-        else if ( isMac() ) {
-            final Class<?> file_mgr = Class.forName( "com.apple.eio.FileManager" );
-            final Method open_url = file_mgr.getDeclaredMethod( "openURL", new Class[] { String.class } );
-            open_url.invoke( null, new Object[] { url } );
-        }
-        else {
-            final String[] browsers = { "firefox", "opera", "konqueror", "mozilla", "netscape", "epiphany" };
-            String browser = null;
-            for( int i = 0; ( i < browsers.length ) && ( browser == null ); ++i ) {
-                if ( runtime.exec( new String[] { "which", browsers[ i ] } ).waitFor() == 0 ) {
-                    browser = browsers[ i ];
-                }
-            }
-            if ( browser == null ) {
-                throw new IOException( "could not find a web browser to open [" + url + "] in" );
-            }
-            else {
-                runtime.exec( new String[] { browser, url } );
-            }
-        }
-    }
-
     final static void openWebsite( final String url, final boolean is_applet, final JApplet applet ) throws IOException {
         try {
             AptxUtil.launchWebBrowser( new URI( url ), is_applet, applet, Constants.PRG_NAME );
@@ -797,25 +631,69 @@ public final class AptxUtil {
         }
     }
 
-    final static void printAppletMessage( final String applet_name, final String message ) {
-        System.out.println( "[" + applet_name + "] > " + message );
+    final static void outOfMemoryError( final OutOfMemoryError e ) {
+        System.err.println();
+        System.err.println( "Java memory allocation might be too small, try \"-Xmx2048m\" java command line option" );
+        System.err.println();
+        e.printStackTrace();
+        System.err.println();
+        JOptionPane.showMessageDialog( null,
+                                       "Java memory allocation might be too small, try \"-Xmx2048m\" java command line option"
+                                               + "\n\nError: " + e.getLocalizedMessage(),
+                                       "Out of Memory Error [" + Constants.PRG_NAME + " " + Constants.VERSION + "]",
+                                       JOptionPane.ERROR_MESSAGE );
+        System.exit( -1 );
     }
 
-    public final static void printWarningMessage( final String name, final String message ) {
-        System.out.println( "[" + name + "] > " + message );
+    final static void printAppletMessage( final String applet_name, final String message ) {
+        System.out.println( "[" + applet_name + "] > " + message );
     }
 
-    final static Phylogeny[] readPhylogeniesFromUrl( final URL url, final boolean phyloxml_validate_against_xsd )
-            throws FileNotFoundException, IOException {
+    final static Phylogeny[] readPhylogeniesFromUrl( final URL url,
+                                                     final boolean phyloxml_validate_against_xsd,
+                                                     final boolean replace_underscores,
+                                                     final boolean internal_numbers_are_confidences,
+                                                     final TAXONOMY_EXTRACTION taxonomy_extraction,
+                                                     final boolean midpoint_reroot ) throws FileNotFoundException,
+            IOException {
         final PhylogenyFactory factory = ParserBasedPhylogenyFactory.getInstance();
-        PhylogenyParser parser = null;
+        final PhylogenyParser parser;
+        boolean nhx_or_nexus = false;
         if ( url.getHost().toLowerCase().indexOf( "tolweb" ) >= 0 ) {
             parser = new TolParser();
         }
         else {
             parser = ParserUtils.createParserDependingOnUrlContents( url, phyloxml_validate_against_xsd );
+            if ( parser instanceof NHXParser ) {
+                nhx_or_nexus = true;
+                final NHXParser nhx = ( NHXParser ) parser;
+                nhx.setReplaceUnderscores( replace_underscores );
+                nhx.setIgnoreQuotes( false );
+                nhx.setTaxonomyExtraction( taxonomy_extraction );
+            }
+            else if ( parser instanceof NexusPhylogeniesParser ) {
+                nhx_or_nexus = true;
+                final NexusPhylogeniesParser nex = ( NexusPhylogeniesParser ) parser;
+                nex.setReplaceUnderscores( replace_underscores );
+                nex.setIgnoreQuotes( false );
+            }
         }
-        return factory.create( url.openStream(), parser );
+        AptxUtil.printAppletMessage( "Archaeopteryx", "parser is " + parser.getName() );
+        final Phylogeny[] phys = factory.create( url.openStream(), parser );
+        if ( phys != null ) {
+            if ( nhx_or_nexus && internal_numbers_are_confidences ) {
+                for( final Phylogeny phy : phys ) {
+                    PhylogenyMethods.transferInternalNodeNamesToConfidence( phy, "" );
+                }
+            }
+            if ( midpoint_reroot ) {
+                for( final Phylogeny phy : phys ) {
+                    PhylogenyMethods.midpointRoot( phy );
+                    PhylogenyMethods.orderAppearance( phy.getRoot(), true, true, DESCENDANT_SORT_PRIORITY.NODE_NAME );
+                }
+            }
+        }
+        return phys;
     }
 
     final static void removeBranchColors( final Phylogeny phy ) {
@@ -824,50 +702,52 @@ public final class AptxUtil {
         }
     }
 
-    final static void showErrorMessage( final Component parent, final String error_msg ) {
-        printAppletMessage( Constants.PRG_NAME, error_msg );
-        JOptionPane.showMessageDialog( parent, error_msg, "[" + Constants.PRG_NAME + " " + Constants.VERSION
-                + "] Error", JOptionPane.ERROR_MESSAGE );
-    }
-
-    final static void unexpectedError( final Error err ) {
-        err.printStackTrace();
+    final static void unexpectedError( final Error e ) {
+        System.err.println();
+        e.printStackTrace( System.err );
+        System.err.println();
         final StringBuffer sb = new StringBuffer();
-        for( final StackTraceElement s : err.getStackTrace() ) {
+        for( final StackTraceElement s : e.getStackTrace() ) {
             sb.append( s + "\n" );
         }
         JOptionPane
                 .showMessageDialog( null,
                                     "An unexpected (possibly severe) error has occured - terminating. \nPlease contact: "
-                                            + Constants.AUTHOR_EMAIL + " \nError: " + err + "\n" + sb,
+                                            + Constants.AUTHOR_EMAIL + " \nError: " + e.getLocalizedMessage() + "\n"
+                                            + sb,
                                     "Unexpected Severe Error [" + Constants.PRG_NAME + " " + Constants.VERSION + "]",
                                     JOptionPane.ERROR_MESSAGE );
         System.exit( -1 );
     }
 
-    final static void unexpectedException( final Exception ex ) {
-        ex.printStackTrace();
+    final static void unexpectedException( final Exception e ) {
+        System.err.println();
+        e.printStackTrace( System.err );
+        System.err.println();
         final StringBuffer sb = new StringBuffer();
-        for( final StackTraceElement s : ex.getStackTrace() ) {
+        for( final StackTraceElement s : e.getStackTrace() ) {
             sb.append( s + "\n" );
         }
-        JOptionPane.showMessageDialog( null, "An unexpected exception has occured. \nPlease contact: "
-                + Constants.AUTHOR_EMAIL + " \nException: " + ex + "\n" + sb, "Unexpected Exception ["
-                + Constants.PRG_NAME + Constants.VERSION + "]", JOptionPane.ERROR_MESSAGE );
+        JOptionPane.showMessageDialog( null,
+                                       "An unexpected exception has occured. \nPlease contact: "
+                                               + Constants.AUTHOR_EMAIL + " \nException: " + e.getLocalizedMessage()
+                                               + "\n" + sb,
+                                       "Unexpected Exception [" + Constants.PRG_NAME + Constants.VERSION + "]",
+                                       JOptionPane.ERROR_MESSAGE );
     }
 
-    final static String writePhylogenyToGraphicsFile( final String file_name,
-                                                      int width,
-                                                      int height,
-                                                      final TreePanel tree_panel,
-                                                      final ControlPanel ac,
-                                                      final GraphicsExportType type,
-                                                      final Options options ) throws IOException {
+    final static String writePhylogenyToGraphicsByteArrayOutputStream( final ByteArrayOutputStream baos,
+                                                                       int width,
+                                                                       int height,
+                                                                       final TreePanel tree_panel,
+                                                                       final ControlPanel ac,
+                                                                       final GraphicsExportType type,
+                                                                       final Options options ) throws IOException {
         if ( !options.isGraphicsExportUsingActualSize() ) {
             if ( options.isGraphicsExportVisibleOnly() ) {
                 throw new IllegalArgumentException( "cannot export visible rectangle only without exporting in actual size" );
             }
-            tree_panel.setParametersForPainting( options.getPrintSizeX(), options.getPrintSizeY(), true );
+            tree_panel.calcParametersForPainting( options.getPrintSizeX(), options.getPrintSizeY(), true );
             tree_panel.resetPreferredSize();
             tree_panel.repaint();
         }
@@ -886,10 +766,6 @@ public final class AptxUtil {
         if ( ( phylogeny == null ) || phylogeny.isEmpty() ) {
             return "";
         }
-        final File file = new File( file_name );
-        if ( file.isDirectory() ) {
-            throw new IOException( "\"" + file_name + "\" is a directory" );
-        }
         Rectangle visible = null;
         if ( !options.isGraphicsExportUsingActualSize() ) {
             width = options.getPrintSizeX();
@@ -912,77 +788,31 @@ public final class AptxUtil {
             y = visible.y;
         }
         tree_panel.paintPhylogeny( g2d, false, true, width, height, x, y );
-        if ( type == GraphicsExportType.TIFF ) {
-            writeToTiff( file, buffered_img );
-        }
-        else {
-            ImageIO.write( buffered_img, type.toString(), file );
-        }
+        ImageIO.write( buffered_img, type.toString(), baos );
         g2d.dispose();
         System.gc();
         if ( !options.isGraphicsExportUsingActualSize() ) {
             tree_panel.getMainPanel().getControlPanel().showWhole();
         }
-        String msg = file.toString();
+        String msg = baos.toString();
         if ( ( width > 0 ) && ( height > 0 ) ) {
             msg += " [size: " + width + ", " + height + "]";
         }
         return msg;
     }
 
-    public final static void writePhylogenyToGraphicsFile( final File outfile,
-                                                           final int width,
-                                                           final int height,
-                                                           final TreePanel tree_panel,
-                                                           final ControlPanel ac,
-                                                           final GraphicsExportType type,
-                                                           final Options options ) throws IOException {
-        tree_panel.setParametersForPainting( width, height, true );
-        tree_panel.resetPreferredSize();
-        tree_panel.repaint();
-        final RenderingHints rendering_hints = new RenderingHints( RenderingHints.KEY_RENDERING,
-                                                                   RenderingHints.VALUE_RENDER_QUALITY );
-        rendering_hints.put( RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY );
-        if ( options.isAntialiasPrint() ) {
-            rendering_hints.put( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
-            rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_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 Phylogeny phylogeny = tree_panel.getPhylogeny();
-        if ( ( phylogeny == null ) || phylogeny.isEmpty() ) {
-            return;
-        }
-        if ( outfile.isDirectory() ) {
-            throw new IOException( "\"" + outfile + "\" is a directory" );
-        }
-        final BufferedImage buffered_img = new BufferedImage( width, height, BufferedImage.TYPE_INT_RGB );
-        final Graphics2D g2d = buffered_img.createGraphics();
-        g2d.setRenderingHints( rendering_hints );
-        tree_panel.paintPhylogeny( g2d, false, true, width, height, 0, 0 );
-        if ( type == GraphicsExportType.TIFF ) {
-            writeToTiff( outfile, buffered_img );
-        }
-        else {
-            ImageIO.write( buffered_img, type.toString(), outfile );
-        }
-        g2d.dispose();
-    }
-
-    final static String writePhylogenyToGraphicsByteArrayOutputStream( final ByteArrayOutputStream baos,
-                                                                       int width,
-                                                                       int height,
-                                                                       final TreePanel tree_panel,
-                                                                       final ControlPanel ac,
-                                                                       final GraphicsExportType type,
-                                                                       final Options options ) throws IOException {
+    final static String writePhylogenyToGraphicsFile( final String file_name,
+                                                      int width,
+                                                      int height,
+                                                      final TreePanel tree_panel,
+                                                      final ControlPanel ac,
+                                                      final GraphicsExportType type,
+                                                      final Options options ) throws IOException {
         if ( !options.isGraphicsExportUsingActualSize() ) {
             if ( options.isGraphicsExportVisibleOnly() ) {
                 throw new IllegalArgumentException( "cannot export visible rectangle only without exporting in actual size" );
             }
-            tree_panel.setParametersForPainting( options.getPrintSizeX(), options.getPrintSizeY(), true );
+            tree_panel.calcParametersForPainting( options.getPrintSizeX(), options.getPrintSizeY(), true );
             tree_panel.resetPreferredSize();
             tree_panel.repaint();
         }
@@ -1001,6 +831,10 @@ public final class AptxUtil {
         if ( ( phylogeny == null ) || phylogeny.isEmpty() ) {
             return "";
         }
+        final File file = new File( file_name );
+        if ( file.isDirectory() ) {
+            throw new IOException( "\"" + file_name + "\" is a directory" );
+        }
         Rectangle visible = null;
         if ( !options.isGraphicsExportUsingActualSize() ) {
             width = options.getPrintSizeX();
@@ -1023,13 +857,18 @@ public final class AptxUtil {
             y = visible.y;
         }
         tree_panel.paintPhylogeny( g2d, false, true, width, height, x, y );
-        ImageIO.write( buffered_img, type.toString(), baos );
+        if ( type == GraphicsExportType.TIFF ) {
+            writeToTiff( file, buffered_img );
+        }
+        else {
+            ImageIO.write( buffered_img, type.toString(), file );
+        }
         g2d.dispose();
         System.gc();
         if ( !options.isGraphicsExportUsingActualSize() ) {
             tree_panel.getMainPanel().getControlPanel().showWhole();
         }
-        String msg = baos.toString();
+        String msg = file.toString();
         if ( ( width > 0 ) && ( height > 0 ) ) {
             msg += " [size: " + width + ", " + height + "]";
         }
@@ -1065,6 +904,36 @@ public final class AptxUtil {
         writer.write( null, iio_image, image_write_param );
     }
 
+    final private static void openUrlInWebBrowser( final String url ) throws IOException, ClassNotFoundException,
+            SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException,
+            InvocationTargetException, InterruptedException {
+        final String os = System.getProperty( "os.name" );
+        final Runtime runtime = Runtime.getRuntime();
+        if ( os.toLowerCase().startsWith( "win" ) ) {
+            Runtime.getRuntime().exec( "rundll32 url.dll,FileProtocolHandler " + url );
+        }
+        else if ( ForesterUtil.isMac() ) {
+            final Class<?> file_mgr = Class.forName( "com.apple.eio.FileManager" );
+            final Method open_url = file_mgr.getDeclaredMethod( "openURL", new Class[] { String.class } );
+            open_url.invoke( null, new Object[] { url } );
+        }
+        else {
+            final String[] browsers = { "firefox", "opera", "konqueror", "mozilla", "netscape", "epiphany" };
+            String browser = null;
+            for( int i = 0; ( i < browsers.length ) && ( browser == null ); ++i ) {
+                if ( runtime.exec( new String[] { "which", browsers[ i ] } ).waitFor() == 0 ) {
+                    browser = browsers[ i ];
+                }
+            }
+            if ( browser == null ) {
+                throw new IOException( "could not find a web browser to open [" + url + "] in" );
+            }
+            else {
+                runtime.exec( new String[] { browser, url } );
+            }
+        }
+    }
+
     // See: http://www.xml.nig.ac.jp/tutorial/rest/index.html#2.2
     // static void openDDBJRest() throws IOException {
     // //set URL
@@ -1090,7 +959,7 @@ public final class AptxUtil {
     // br.close();
     // }
     public static enum GraphicsExportType {
-        GIF( "gif" ), JPG( "jpg" ), PDF( "pdf" ), PNG( "png" ), TIFF( "tif" ), BMP( "bmp" );
+        BMP( "bmp" ), GIF( "gif" ), JPG( "jpg" ), PDF( "pdf" ), PNG( "png" ), TIFF( "tif" );
 
         private final String _suffix;