inprogress
authorcmzmasek@gmail.com <cmzmasek@gmail.com@ca865154-3058-d1c3-3e42-d8f55a55bdbd>
Fri, 28 Jun 2013 23:32:32 +0000 (23:32 +0000)
committercmzmasek@gmail.com <cmzmasek@gmail.com@ca865154-3058-d1c3-3e42-d8f55a55bdbd>
Fri, 28 Jun 2013 23:32:32 +0000 (23:32 +0000)
forester/java/src/org/forester/application/surfacing.java
forester/java/src/org/forester/go/etc/MetaOntologizer.java
forester/java/src/org/forester/surfacing/DomainSimilarity.java
forester/java/src/org/forester/surfacing/PairwiseGenomeComparator.java
forester/java/src/org/forester/surfacing/PrintableDomainSimilarity.java
forester/java/src/org/forester/surfacing/SurfacingConstants.java
forester/java/src/org/forester/surfacing/SurfacingUtil.java

index f2f0c9e..dbba361 100644 (file)
@@ -229,8 +229,8 @@ public class surfacing {
     final static private String                               INPUT_GENOMES_FILE_OPTION                                                     = "genomes";
     final static private String                               INPUT_SPECIES_TREE_OPTION                                                     = "species_tree";
     final static private String                               SEQ_EXTRACT_OPTION                                                            = "prot_extract";
-    final static private String                               PRG_VERSION                                                                   = "2.260";
-    final static private String                               PRG_DATE                                                                      = "130721";
+    final static private String                               PRG_VERSION                                                                   = "2.270";
+    final static private String                               PRG_DATE                                                                      = "130628";
     final static private String                               E_MAIL                                                                        = "czmasek@burnham.org";
     final static private String                               WWW                                                                           = "www.phylosoft.org/forester/applications/surfacing";
     final static private boolean                              IGNORE_DUFS_DEFAULT                                                           = true;
@@ -269,6 +269,7 @@ public class surfacing {
     private static final String                               LOG_FILE_SUFFIX                                                               = "_log.txt";
     private static final String                               DATA_FILE_SUFFIX                                                              = "_domain_combination_data.txt";
     private static final String                               DATA_FILE_DESC                                                                = "#SPECIES\tPRTEIN_ID\tN_TERM_DOMAIN\tC_TERM_DOMAIN\tN_TERM_DOMAIN_PER_DOMAIN_E_VALUE\tC_TERM_DOMAIN_PER_DOMAIN_E_VALUE\tN_TERM_DOMAIN_COUNTS_PER_PROTEIN\tC_TERM_DOMAIN_COUNTS_PER_PROTEIN";
+    private static final String                               WRITE_TO_NEXUS_OPTION                                                         = "nexus";
     private static final INDIVIDUAL_SCORE_CUTOFF              INDIVIDUAL_SCORE_CUTOFF_DEFAULT                                               = INDIVIDUAL_SCORE_CUTOFF.FULL_SEQUENCE;                                                                                                                                                      //TODO look at me! change?
     public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_COUNTS_OUTPUT_SUFFIX                          = "_indep_dc_gains_fitch_counts.txt";
     public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_OUTPUT_SUFFIX                              = "_indep_dc_gains_fitch_lists.txt";
@@ -622,6 +623,7 @@ public class surfacing {
         allowed_options.add( DOMAIN_COMBINITONS_OUTPUT_OPTION_FOR_GRAPH_ANALYSIS );
         allowed_options.add( OUTPUT_LIST_OF_ALL_PROTEINS_OPTIONS );
         allowed_options.add( CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS_AND_ADJACENCY );
+        allowed_options.add( WRITE_TO_NEXUS_OPTION );
         boolean ignore_dufs = surfacing.IGNORE_DUFS_DEFAULT;
         boolean ignore_combination_with_same = surfacing.IGNORE_COMBINATION_WITH_SAME_DEFAULLT;
         double e_value_max = surfacing.MAX_E_VALUE_DEFAULT;
@@ -630,6 +632,10 @@ public class surfacing {
         if ( dissallowed_options.length() > 0 ) {
             ForesterUtil.fatalError( surfacing.PRG_NAME, "unknown option(s): " + dissallowed_options );
         }
+        boolean write_to_nexus = false;
+        if ( cla.isOptionSet( WRITE_TO_NEXUS_OPTION ) ) {
+            write_to_nexus = true;
+        }
         boolean output_binary_domain_combinationsfor_graph_analysis = false;
         if ( cla.isOptionSet( DOMAIN_COMBINITONS_OUTPUT_OPTION_FOR_GRAPH_ANALYSIS ) ) {
             output_binary_domain_combinationsfor_graph_analysis = true;
@@ -1020,12 +1026,6 @@ public class surfacing {
             }
         }
         final String[][] input_file_properties = processInputGenomesFile( input_genomes_file );
-        //        for( final String[] input_file_propertie : input_file_properties ) {
-        //            for( final String element : input_file_propertie ) {
-        //                System.out.print( element + " " );
-        //            }
-        //            System.out.println();
-        //        }
         final int number_of_genomes = input_file_properties.length;
         if ( number_of_genomes < 2 ) {
             ForesterUtil.fatalError( surfacing.PRG_NAME, "cannot analyze less than two files" );
@@ -1399,6 +1399,7 @@ public class surfacing {
                     + ( dc_type == BinaryDomainCombination.DomainCombinationType.DIRECTED_ADJACTANT ) + "</td></tr>"
                     + nl );
         }
+        System.out.println( "Write to Nexus files        : " + write_to_nexus );
         System.out.print( "Domain counts sort order    : " );
         switch ( dc_sort_order ) {
             case ALPHABETICAL_KEY_ID:
@@ -2094,7 +2095,7 @@ public class surfacing {
                                                            go_annotation_output,
                                                            go_id_to_term_map,
                                                            go_namespace_limit );
-        DescriptiveStatistics pw_stats = null;
+        final Map<String, Integer> tax_code_to_id_map = SurfacingUtil.createTaxCodeToIdMap( intrees[ 0 ] );
         try {
             String my_outfile = output_file.toString();
             Map<Character, Writer> split_writers = null;
@@ -2125,7 +2126,7 @@ public class surfacing {
                     + new java.text.SimpleDateFormat( "yyyy.MM.dd HH:mm:ss" ).format( new java.util.Date() )
                     + "</td></tr>" + nl );
             html_desc.append( "</table>" + nl );
-            pw_stats = SurfacingUtil
+            final DescriptiveStatistics pw_stats = SurfacingUtil
                     .writeDomainSimilaritiesToFile( html_desc,
                                                     new StringBuilder( number_of_genomes + " genomes" ),
                                                     writer,
@@ -2136,7 +2137,8 @@ public class surfacing {
                                                     domain_similarity_print_option,
                                                     domain_similarity_sort_field,
                                                     scoring,
-                                                    true );
+                                                    true,
+                                                    tax_code_to_id_map );
             ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote main output (includes domain similarities) to: \""
                     + ( out_dir == null ? my_outfile : out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile ) + "\"" );
         }
@@ -2145,7 +2147,6 @@ public class surfacing {
                     + e.getMessage() + "]" );
         }
         System.out.println();
-        // values_for_all_scores_histogram = pw_stats.getDataAsDoubleArray();
         final Species[] species = new Species[ number_of_genomes ];
         for( int i = 0; i < number_of_genomes; ++i ) {
             species[ i ] = new BasicSpecies( input_file_properties[ i ][ 1 ] );
@@ -2173,7 +2174,8 @@ public class surfacing {
                                              surfacing.PAIRWISE_DOMAIN_COMPARISONS_PREFIX,
                                              surfacing.PRG_NAME,
                                              out_dir,
-                                             write_pwc_files );
+                                             write_pwc_files,
+                                             tax_code_to_id_map );
             String matrix_output_file = new String( output_file.toString() );
             if ( matrix_output_file.indexOf( '.' ) > 1 ) {
                 matrix_output_file = matrix_output_file.substring( 0, matrix_output_file.indexOf( '.' ) );
@@ -2237,7 +2239,9 @@ public class surfacing {
         if ( ( out_dir != null ) && ( !perform_pwc ) ) {
             output_file = new File( out_dir + ForesterUtil.FILE_SEPARATOR + output_file );
         }
-        writePresentToNexus( output_file, positive_filter_file, filter, gwcd_list );
+        if ( write_to_nexus ) {
+            writePresentToNexus( output_file, positive_filter_file, filter, gwcd_list );
+        }
         if ( ( ( intrees != null ) && ( intrees.length > 0 ) ) && ( number_of_genomes > 2 ) ) {
             final StringBuilder parameters_sb = createParametersAsString( ignore_dufs,
                                                                           e_value_max,
@@ -2272,7 +2276,9 @@ public class surfacing {
                                                         dc_type,
                                                         protein_length_stats_by_dc,
                                                         domain_number_stats_by_dc,
-                                                        domain_length_stats_by_domain );
+                                                        domain_length_stats_by_domain,
+                                                        tax_code_to_id_map,
+                                                        write_to_nexus );
                 // Listing of all domain combinations gained is only done if only one input tree is used. 
                 if ( ( domain_id_to_secondary_features_maps != null )
                         && ( domain_id_to_secondary_features_maps.length > 0 ) ) {
@@ -2583,6 +2589,7 @@ public class surfacing {
         System.out.println( surfacing.OUTPUT_LIST_OF_ALL_PROTEINS_OPTIONS + ": to output all proteins per domain" );
         System.out.println( surfacing.OUTPUT_LIST_OF_ALL_PROTEINS_PER_DOMAIN_E_VALUE_OPTION
                 + ": e value max per domain for output of all proteins per domain" );
+        System.out.println( surfacing.WRITE_TO_NEXUS_OPTION + ": to output in Nexus format" );
         System.out.println();
         System.out.println( "Example 1: java -Xms128m -Xmx512m -cp path/to/forester.jar"
                 + " org.forester.application.surfacing p2g=pfam2go_2012_02_07.txt -dufs -cos=Pfam_260_NC1"
index 11afb54..32f841d 100644 (file)
@@ -520,7 +520,7 @@ public class MetaOntologizer {
         writer.write( "<tr>" );
         writer.write( "<td><h3>" );
         writer.write( species );
-        SurfacingUtil.writeTaxonomyLinks( writer, species );
+        SurfacingUtil.writeTaxonomyLinks( writer, species, null );
         writer.write( "</h3></td>" );
         writer.write( "</tr>" );
         writer.write( ForesterUtil.LINE_SEPARATOR );
index b9e9860..b6ae576 100644 (file)
 
 package org.forester.surfacing;
 
+import java.util.Map;
 import java.util.SortedMap;
 import java.util.SortedSet;
 
 import org.forester.protein.DomainId;
 import org.forester.species.Species;
+import org.forester.surfacing.PrintableDomainSimilarity.PRINT_OPTION;
 
 /*
  * This is to represent a measure of similarity between two or more domains from
@@ -38,6 +40,14 @@ import org.forester.species.Species;
  */
 public interface DomainSimilarity extends Comparable<DomainSimilarity> {
 
+    static public enum DomainSimilarityScoring {
+        DOMAINS, PROTEINS, COMBINATIONS;
+    }
+
+    public static enum DomainSimilaritySortField {
+        MIN, MAX, SD, MEAN, ABS_MAX_COUNTS_DIFFERENCE, MAX_COUNTS_DIFFERENCE, MAX_DIFFERENCE, SPECIES_COUNT, DOMAIN_ID,
+    }
+
     public SortedSet<DomainId> getCombinableDomainIds( final Species species_of_combinable_domain );;
 
     public DomainId getDomainId();
@@ -92,13 +102,5 @@ public interface DomainSimilarity extends Comparable<DomainSimilarity> {
 
     public double getStandardDeviationOfSimilarityScore();
 
-    public StringBuffer toStringBuffer( final PrintableDomainSimilarity.PRINT_OPTION print_option );
-
-    static public enum DomainSimilarityScoring {
-        DOMAINS, PROTEINS, COMBINATIONS;
-    }
-
-    public static enum DomainSimilaritySortField {
-        MIN, MAX, SD, MEAN, ABS_MAX_COUNTS_DIFFERENCE, MAX_COUNTS_DIFFERENCE, MAX_DIFFERENCE, SPECIES_COUNT, DOMAIN_ID,
-    }
+    public StringBuffer toStringBuffer( PRINT_OPTION print_option, Map<String, Integer> tax_code_to_id_map );
 }
index 6281764..a811450 100644 (file)
@@ -102,7 +102,8 @@ public class PairwiseGenomeComparator {
                                             final String automated_pairwise_comparison_prefix,
                                             final String command_line_prg_name,
                                             final File out_dir,
-                                            final boolean write_pairwise_comparisons ) {
+                                            final boolean write_pairwise_comparisons,
+                                            final Map<String, Integer> tax_code_to_id_map ) {
         init();
         final BasicSymmetricalDistanceMatrix domain_distance_scores_means = new BasicSymmetricalDistanceMatrix( number_of_genomes );
         final BasicSymmetricalDistanceMatrix shared_domains_based_distances = new BasicSymmetricalDistanceMatrix( number_of_genomes );
@@ -223,7 +224,8 @@ public class PairwiseGenomeComparator {
                                                                                 domain_similarity_print_option,
                                                                                 domain_similarity_sort_field,
                                                                                 scoring,
-                                                                                false );
+                                                                                false,
+                                                                                tax_code_to_id_map );
                     }
                     catch ( final IOException e ) {
                         ForesterUtil.fatalError( command_line_prg_name, "Failed to write similarites to: \""
index 6966aee..31d0e55 100644 (file)
@@ -185,19 +185,23 @@ public class PrintableDomainSimilarity implements DomainSimilarity {
         }
     }
 
-    private void addSpeciesSpecificDomainData( final StringBuffer sb, final Species species, final boolean html ) {
+    private void addSpeciesSpecificDomainData( final StringBuffer sb,
+                                               final Species species,
+                                               final boolean html,
+                                               final Map<String, Integer> tax_code_to_id_map ) {
         if ( getDetaildness() != DomainSimilarityCalculator.Detailedness.BASIC ) {
             sb.append( "[" );
         }
         if ( html ) {
             sb.append( "<b>" );
-            if ( ( SurfacingConstants.TAXONOMY_LINK != null ) && ( species.getSpeciesId().length() > 2 )
-                    && ( species.getSpeciesId().length() < 6 ) ) {
-                sb.append( "<a href=\"" + SurfacingConstants.TAXONOMY_LINK + species.getSpeciesId()
-                        + "\" target=\"taxonomy_window\">" + species.getSpeciesId() + "</a>" );
+            final String tax_code = species.getSpeciesId();
+            if ( !ForesterUtil.isEmpty( tax_code )
+                    && ( ( tax_code_to_id_map != null ) && tax_code_to_id_map.containsKey( tax_code ) ) ) {
+                sb.append( "<a href=\"" + SurfacingConstants.UNIPROT_TAXONOMY_ID_LINK
+                        + tax_code_to_id_map.get( tax_code ) + "\" target=\"taxonomy_window\">" + tax_code + "</a>" );
             }
             else {
-                sb.append( species.getSpeciesId() );
+                sb.append( tax_code );
             }
             sb.append( "</b>" );
         }
@@ -510,19 +514,20 @@ public class PrintableDomainSimilarity implements DomainSimilarity {
         return _species_data;
     }
 
-    private StringBuffer getSpeciesDataInAlphabeticalOrder( final boolean html ) {
+    private StringBuffer getSpeciesDataInAlphabeticalOrder( final boolean html,
+                                                            final Map<String, Integer> tax_code_to_id_map ) {
         final StringBuffer sb = new StringBuffer();
         for( final Species species : getSpeciesData().keySet() ) {
-            addSpeciesSpecificDomainData( sb, species, html );
+            addSpeciesSpecificDomainData( sb, species, html, tax_code_to_id_map );
         }
         return sb;
     }
 
-    private StringBuffer getSpeciesDataInCustomOrder( final boolean html ) {
+    private StringBuffer getSpeciesDataInCustomOrder( final boolean html, final Map<String, Integer> tax_code_to_id_map ) {
         final StringBuffer sb = new StringBuffer();
         for( final Species order_species : getSpeciesCustomOrder() ) {
             if ( getSpeciesData().keySet().contains( order_species ) ) {
-                addSpeciesSpecificDomainData( sb, order_species, html );
+                addSpeciesSpecificDomainData( sb, order_species, html, tax_code_to_id_map );
             }
             else {
                 sb.append( PrintableDomainSimilarity.NO_SPECIES );
@@ -575,32 +580,32 @@ public class PrintableDomainSimilarity implements DomainSimilarity {
     }
 
     @Override
-    public String toString() {
-        return toStringBuffer( null ).toString();
-    }
-
-    @Override
-    public StringBuffer toStringBuffer( final PrintableDomainSimilarity.PRINT_OPTION print_option ) {
+    public StringBuffer toStringBuffer( final PrintableDomainSimilarity.PRINT_OPTION print_option,
+                                        final Map<String, Integer> tax_code_to_id_map ) {
         switch ( print_option ) {
             case SIMPLE_TAB_DELIMITED:
                 return toStringBufferSimpleTabDelimited();
             case HTML:
-                return toStringBufferDetailedHTML();
+                return toStringBufferDetailedHTML( tax_code_to_id_map );
             default:
                 throw new AssertionError( "Unknown print option: " + print_option );
         }
     }
 
-    private StringBuffer toStringBufferDetailedHTML() {
+    private StringBuffer toStringBufferDetailedHTML( final Map<String, Integer> tax_code_to_id_map ) {
         final StringBuffer sb = new StringBuffer();
         sb.append( "<tr>" );
         sb.append( "<td>" );
         boldStartIfSortedBy( DomainSimilaritySortField.DOMAIN_ID, sb );
-        sb.append( "<a href=\"" + SurfacingConstants.PFAM_FAMILY_ID_LINK + getDomainId() + "\">" + getDomainId()
-                + "</a>" );
+        sb.append( "<a href=\"" + SurfacingConstants.PFAM_FAMILY_ID_LINK + getDomainId() + "\" target=\"pfam_window\">"
+                + getDomainId() + "</a>" );
         boldEndIfSortedBy( DomainSimilaritySortField.DOMAIN_ID, sb );
         sb.append( "</td>" );
         sb.append( "<td>" );
+        sb.append( "<a href=\"" + SurfacingConstants.GOOGLE_SCHOLAR_SEARCH + getDomainId()
+                + "\" target=\"gs_window\">gs</a>" );
+        sb.append( "</td>" );
+        sb.append( "<td>" );
         boldStartIfSortedBy( DomainSimilaritySortField.MEAN, sb );
         sb.append( ForesterUtil.round( getMeanSimilarityScore(), 3 ) );
         boldEndIfSortedBy( DomainSimilaritySortField.MEAN, sb );
@@ -664,12 +669,12 @@ public class PrintableDomainSimilarity implements DomainSimilarity {
         }
         if ( ( getSpeciesCustomOrder() == null ) || getSpeciesCustomOrder().isEmpty() ) {
             sb.append( "<td>" );
-            sb.append( getSpeciesDataInAlphabeticalOrder( true ) );
+            sb.append( getSpeciesDataInAlphabeticalOrder( true, tax_code_to_id_map ) );
             sb.append( "</td>" );
         }
         else {
             sb.append( "<td>" );
-            sb.append( getSpeciesDataInCustomOrder( true ) );
+            sb.append( getSpeciesDataInCustomOrder( true, tax_code_to_id_map ) );
             sb.append( "</td>" );
         }
         sb.append( "</tr>" );
index c1991f6..9709508 100644 (file)
@@ -30,19 +30,15 @@ import org.forester.util.ForesterUtil;
 
 public class SurfacingConstants {
 
-    public static final String GOOGLE_WEB_SEARCH_LINK       = "http://www.google.com/search?q=";
-    public static final String GOOGLE_SCHOLAR_LINK          = "http://scholar.google.com/scholar?q=";
-    public static final String GOOGLE_SCHOLAR_LIMITS        = "&as_subj=bio&as_subj=med&as_subj=chm&num=100";
     public static final String AMIGO_LINK                   = "http://amigo.geneontology.org/cgi-bin/amigo/go.cgi?view=details&search_constraint=terms&query=";
-    public static final String PFAM_FAMILY_ID_LINK          = "http://pfam.sanger.ac.uk/family?id=";
+    public static final String EOL_LINK                     = "http://www.eol.org/search?q=";
+    public static final String GO_LINK                      = "http://amigo.geneontology.org/cgi-bin/amigo/go.cgi?view=details&search_constraint=terms&query=";
+    public static final String GOOGLE_SCHOLAR_SEARCH        = "http://scholar.google.com/scholar?q=";
+    public static final String GOOGLE_WEB_SEARCH_LINK       = "http://www.google.com/search?q=";
     public static final String NL                           = ForesterUtil.LINE_SEPARATOR;
-    public static final String TAXONOMY_LINK                = "http://beta.uniprot.org/taxonomy/?query=";
+    public static final String NONE                         = "[none]";
+    public static final String PFAM_FAMILY_ID_LINK          = "http://pfam.janelia.org/family/";
+    public static final String UNIPROT_TAXONOMY_ID_LINK     = "http://www.uniprot.org/taxonomy/";
     static final boolean       SECONDARY_FEATURES_ARE_SCOP  = true;
     static final String        SECONDARY_FEATURES_SCOP_LINK = "http://scop.mrc-lmb.cam.ac.uk/scop/search.cgi?key=";
-    public static final String NONE                         = "[none]";
-    public static final String UNIPROT_LINK                 = "http://www.uniprot.org/taxonomy/?query=";
-    public static final String GO_LINK                      = "http://amigo.geneontology.org/cgi-bin/amigo/go.cgi?view=details&search_constraint=terms&query=";
-    public static final String EOL_LINK                     = "http://www.eol.org/search?q=";
-    public static final String TOL_LINK                     = "http://www.googlesyndicatedsearch.com/u/TreeofLife?q=";
-    public static final String WIKIPEDIA_LINK               = "http://wikipedia.org/wiki/";
 }
index 9497ea9..ebce1cc 100644 (file)
@@ -73,6 +73,7 @@ import org.forester.phylogeny.PhylogenyNode;
 import org.forester.phylogeny.PhylogenyNode.NH_CONVERSION_SUPPORT_VALUE_STYLE;
 import org.forester.phylogeny.data.BinaryCharacters;
 import org.forester.phylogeny.data.Confidence;
+import org.forester.phylogeny.data.Taxonomy;
 import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
 import org.forester.protein.BasicDomain;
 import org.forester.protein.BasicProtein;
@@ -93,7 +94,6 @@ import org.forester.util.ForesterUtil;
 
 public final class SurfacingUtil {
 
-    private final static NumberFormat       FORMATTER                        = new DecimalFormat( "0.0E0" );
     private final static NumberFormat       FORMATTER_3                      = new DecimalFormat( "0.000" );
     private static final Comparator<Domain> ASCENDING_CONFIDENCE_VALUE_ORDER = new Comparator<Domain>() {
 
@@ -121,75 +121,6 @@ public final class SurfacingUtil {
         // Hidden constructor.
     }
 
-    public static void performDomainArchitectureAnalysis( final SortedMap<String, Set<String>> domain_architecutures,
-                                                          final SortedMap<String, Integer> domain_architecuture_counts,
-                                                          final int min_count,
-                                                          final File da_counts_outfile,
-                                                          final File unique_da_outfile ) {
-        checkForOutputFileWriteability( da_counts_outfile );
-        checkForOutputFileWriteability( unique_da_outfile );
-        try {
-            final BufferedWriter da_counts_out = new BufferedWriter( new FileWriter( da_counts_outfile ) );
-            final BufferedWriter unique_da_out = new BufferedWriter( new FileWriter( unique_da_outfile ) );
-            final Iterator<Entry<String, Integer>> it = domain_architecuture_counts.entrySet().iterator();
-            while ( it.hasNext() ) {
-                final Map.Entry<String, Integer> e = it.next();
-                final String da = e.getKey();
-                final int count = e.getValue();
-                if ( count >= min_count ) {
-                    da_counts_out.write( da );
-                    da_counts_out.write( "\t" );
-                    da_counts_out.write( String.valueOf( count ) );
-                    da_counts_out.write( ForesterUtil.LINE_SEPARATOR );
-                }
-                if ( count == 1 ) {
-                    final Iterator<Entry<String, Set<String>>> it2 = domain_architecutures.entrySet().iterator();
-                    while ( it2.hasNext() ) {
-                        final Map.Entry<String, Set<String>> e2 = it2.next();
-                        final String genome = e2.getKey();
-                        final Set<String> das = e2.getValue();
-                        if ( das.contains( da ) ) {
-                            unique_da_out.write( genome );
-                            unique_da_out.write( "\t" );
-                            unique_da_out.write( da );
-                            unique_da_out.write( ForesterUtil.LINE_SEPARATOR );
-                        }
-                    }
-                }
-            }
-            unique_da_out.close();
-            da_counts_out.close();
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + da_counts_outfile + "\"" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + unique_da_outfile + "\"" );
-        //
-    }
-
-    public static int storeDomainArchitectures( final String genome,
-                                                final SortedMap<String, Set<String>> domain_architecutures,
-                                                final List<Protein> protein_list,
-                                                final Map<String, Integer> distinct_domain_architecuture_counts ) {
-        final Set<String> da = new HashSet<String>();
-        domain_architecutures.put( genome, da );
-        for( final Protein protein : protein_list ) {
-            final String da_str = ( ( BasicProtein ) protein ).toDomainArchitectureString( "~", 3, "=" );
-            if ( !da.contains( da_str ) ) {
-                if ( !distinct_domain_architecuture_counts.containsKey( da_str ) ) {
-                    distinct_domain_architecuture_counts.put( da_str, 1 );
-                }
-                else {
-                    distinct_domain_architecuture_counts.put( da_str,
-                                                              distinct_domain_architecuture_counts.get( da_str ) + 1 );
-                }
-                da.add( da_str );
-            }
-        }
-        return da.size();
-    }
-
     public static void addAllBinaryDomainCombinationToSet( final GenomeWideCombinableDomains genome,
                                                            final SortedSet<BinaryDomainCombination> binary_domain_combinations ) {
         final SortedMap<DomainId, CombinableDomains> all_cd = genome.getAllCombinableDomainsIds();
@@ -243,507 +174,270 @@ public final class SurfacingUtil {
         return stats;
     }
 
-    private static void calculateIndependentDomainCombinationGains( final Phylogeny local_phylogeny_l,
-                                                                    final String outfilename_for_counts,
-                                                                    final String outfilename_for_dc,
-                                                                    final String outfilename_for_dc_for_go_mapping,
-                                                                    final String outfilename_for_dc_for_go_mapping_unique,
-                                                                    final String outfilename_for_rank_counts,
-                                                                    final String outfilename_for_ancestor_species_counts,
-                                                                    final String outfilename_for_protein_stats,
-                                                                    final Map<String, DescriptiveStatistics> protein_length_stats_by_dc,
-                                                                    final Map<String, DescriptiveStatistics> domain_number_stats_by_dc,
-                                                                    final Map<String, DescriptiveStatistics> domain_length_stats_by_domain ) {
-        try {
-            //
-            //            if ( protein_length_stats_by_dc != null ) {
-            //                for( final Entry<?, DescriptiveStatistics> entry : protein_length_stats_by_dc.entrySet() ) {
-            //                    System.out.print( entry.getKey().toString() );
-            //                    System.out.print( ": " );
-            //                    double[] a = entry.getValue().getDataAsDoubleArray();
-            //                    for( int i = 0; i < a.length; i++ ) {
-            //                        System.out.print( a[ i ] + " " );
-            //                    }
-            //                    System.out.println();
-            //                }
-            //            }
-            //            if ( domain_number_stats_by_dc != null ) {
-            //                for( final Entry<?, DescriptiveStatistics> entry : domain_number_stats_by_dc.entrySet() ) {
-            //                    System.out.print( entry.getKey().toString() );
-            //                    System.out.print( ": " );
-            //                    double[] a = entry.getValue().getDataAsDoubleArray();
-            //                    for( int i = 0; i < a.length; i++ ) {
-            //                        System.out.print( a[ i ] + " " );
-            //                    }
-            //                    System.out.println();
-            //                }
-            //            }
-            //
-            final BufferedWriter out_counts = new BufferedWriter( new FileWriter( outfilename_for_counts ) );
-            final BufferedWriter out_dc = new BufferedWriter( new FileWriter( outfilename_for_dc ) );
-            final BufferedWriter out_dc_for_go_mapping = new BufferedWriter( new FileWriter( outfilename_for_dc_for_go_mapping ) );
-            final BufferedWriter out_dc_for_go_mapping_unique = new BufferedWriter( new FileWriter( outfilename_for_dc_for_go_mapping_unique ) );
-            final SortedMap<String, Integer> dc_gain_counts = new TreeMap<String, Integer>();
-            for( final PhylogenyNodeIterator it = local_phylogeny_l.iteratorPostorder(); it.hasNext(); ) {
-                final PhylogenyNode n = it.next();
-                final Set<String> gained_dc = n.getNodeData().getBinaryCharacters().getGainedCharacters();
-                for( final String dc : gained_dc ) {
-                    if ( dc_gain_counts.containsKey( dc ) ) {
-                        dc_gain_counts.put( dc, dc_gain_counts.get( dc ) + 1 );
+    public static int calculateOverlap( final Domain domain, final List<Boolean> covered_positions ) {
+        int overlap_count = 0;
+        for( int i = domain.getFrom(); i <= domain.getTo(); ++i ) {
+            if ( ( i < covered_positions.size() ) && ( covered_positions.get( i ) == true ) ) {
+                ++overlap_count;
+            }
+        }
+        return overlap_count;
+    }
+
+    public static void checkForOutputFileWriteability( final File outfile ) {
+        final String error = ForesterUtil.isWritableFile( outfile );
+        if ( !ForesterUtil.isEmpty( error ) ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, error );
+        }
+    }
+
+    public static void collectChangedDomainCombinationsFromBinaryStatesMatrixAsListToFile( final CharacterStateMatrix<CharacterStateMatrix.GainLossStates> matrix,
+                                                                                           final BinaryDomainCombination.DomainCombinationType dc_type,
+                                                                                           final List<BinaryDomainCombination> all_binary_domains_combination_gained,
+                                                                                           final boolean get_gains ) {
+        final SortedSet<String> sorted_ids = new TreeSet<String>();
+        for( int i = 0; i < matrix.getNumberOfIdentifiers(); ++i ) {
+            sorted_ids.add( matrix.getIdentifier( i ) );
+        }
+        for( final String id : sorted_ids ) {
+            for( int c = 0; c < matrix.getNumberOfCharacters(); ++c ) {
+                if ( ( get_gains && ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.GAIN ) )
+                        || ( !get_gains && ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.LOSS ) ) ) {
+                    if ( dc_type == BinaryDomainCombination.DomainCombinationType.DIRECTED_ADJACTANT ) {
+                        all_binary_domains_combination_gained.add( AdjactantDirectedBinaryDomainCombination
+                                .createInstance( matrix.getCharacter( c ) ) );
+                    }
+                    else if ( dc_type == BinaryDomainCombination.DomainCombinationType.DIRECTED ) {
+                        all_binary_domains_combination_gained.add( DirectedBinaryDomainCombination
+                                .createInstance( matrix.getCharacter( c ) ) );
                     }
                     else {
-                        dc_gain_counts.put( dc, 1 );
+                        all_binary_domains_combination_gained.add( BasicBinaryDomainCombination.createInstance( matrix
+                                .getCharacter( c ) ) );
                     }
                 }
             }
-            final SortedMap<Integer, Integer> histogram = new TreeMap<Integer, Integer>();
-            final SortedMap<Integer, StringBuilder> domain_lists = new TreeMap<Integer, StringBuilder>();
-            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_protein_length_stats = new TreeMap<Integer, DescriptiveStatistics>();
-            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_domain_number_stats = new TreeMap<Integer, DescriptiveStatistics>();
-            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_domain_lengths_stats = new TreeMap<Integer, DescriptiveStatistics>();
-            final SortedMap<Integer, PriorityQueue<String>> domain_lists_go = new TreeMap<Integer, PriorityQueue<String>>();
-            final SortedMap<Integer, SortedSet<String>> domain_lists_go_unique = new TreeMap<Integer, SortedSet<String>>();
-            final Set<String> dcs = dc_gain_counts.keySet();
-            final SortedSet<String> more_than_once = new TreeSet<String>();
-            final DescriptiveStatistics gained_once_lengths_stats = new BasicDescriptiveStatistics();
-            final DescriptiveStatistics gained_once_domain_count_stats = new BasicDescriptiveStatistics();
-            final DescriptiveStatistics gained_multiple_times_lengths_stats = new BasicDescriptiveStatistics();
-            final DescriptiveStatistics gained_multiple_times_domain_count_stats = new BasicDescriptiveStatistics();
-            long gained_multiple_times_domain_length_sum = 0;
-            long gained_once_domain_length_sum = 0;
-            long gained_multiple_times_domain_length_count = 0;
-            long gained_once_domain_length_count = 0;
-            for( final String dc : dcs ) {
-                final int count = dc_gain_counts.get( dc );
-                if ( histogram.containsKey( count ) ) {
-                    histogram.put( count, histogram.get( count ) + 1 );
-                    domain_lists.get( count ).append( ", " + dc );
-                    domain_lists_go.get( count ).addAll( splitDomainCombination( dc ) );
-                    domain_lists_go_unique.get( count ).addAll( splitDomainCombination( dc ) );
-                }
-                else {
-                    histogram.put( count, 1 );
-                    domain_lists.put( count, new StringBuilder( dc ) );
-                    final PriorityQueue<String> q = new PriorityQueue<String>();
-                    q.addAll( splitDomainCombination( dc ) );
-                    domain_lists_go.put( count, q );
-                    final SortedSet<String> set = new TreeSet<String>();
-                    set.addAll( splitDomainCombination( dc ) );
-                    domain_lists_go_unique.put( count, set );
-                }
-                if ( protein_length_stats_by_dc != null ) {
-                    if ( !dc_reapp_counts_to_protein_length_stats.containsKey( count ) ) {
-                        dc_reapp_counts_to_protein_length_stats.put( count, new BasicDescriptiveStatistics() );
+        }
+    }
+
+    public static Map<DomainId, List<GoId>> createDomainIdToGoIdMap( final List<PfamToGoMapping> pfam_to_go_mappings ) {
+        final Map<DomainId, List<GoId>> domain_id_to_go_ids_map = new HashMap<DomainId, List<GoId>>( pfam_to_go_mappings
+                .size() );
+        for( final PfamToGoMapping pfam_to_go : pfam_to_go_mappings ) {
+            if ( !domain_id_to_go_ids_map.containsKey( pfam_to_go.getKey() ) ) {
+                domain_id_to_go_ids_map.put( pfam_to_go.getKey(), new ArrayList<GoId>() );
+            }
+            domain_id_to_go_ids_map.get( pfam_to_go.getKey() ).add( pfam_to_go.getValue() );
+        }
+        return domain_id_to_go_ids_map;
+    }
+
+    public static Map<DomainId, Set<String>> createDomainIdToSecondaryFeaturesMap( final File secondary_features_map_file )
+            throws IOException {
+        final BasicTable<String> primary_table = BasicTableParser.parse( secondary_features_map_file, '\t' );
+        final Map<DomainId, Set<String>> map = new TreeMap<DomainId, Set<String>>();
+        for( int r = 0; r < primary_table.getNumberOfRows(); ++r ) {
+            final DomainId domain_id = new DomainId( primary_table.getValue( 0, r ) );
+            if ( !map.containsKey( domain_id ) ) {
+                map.put( domain_id, new HashSet<String>() );
+            }
+            map.get( domain_id ).add( primary_table.getValue( 1, r ) );
+        }
+        return map;
+    }
+
+    public static Phylogeny createNjTreeBasedOnMatrixToFile( final File nj_tree_outfile, final DistanceMatrix distance ) {
+        checkForOutputFileWriteability( nj_tree_outfile );
+        final NeighborJoining nj = NeighborJoining.createInstance();
+        final Phylogeny phylogeny = nj.execute( ( BasicSymmetricalDistanceMatrix ) distance );
+        phylogeny.setName( nj_tree_outfile.getName() );
+        writePhylogenyToFile( phylogeny, nj_tree_outfile.toString() );
+        return phylogeny;
+    }
+
+    public static Map<String, Integer> createTaxCodeToIdMap( final Phylogeny phy ) {
+        final Map<String, Integer> m = new HashMap<String, Integer>();
+        for( final PhylogenyNodeIterator iter = phy.iteratorExternalForward(); iter.hasNext(); ) {
+            final PhylogenyNode n = iter.next();
+            if ( n.getNodeData().isHasTaxonomy() ) {
+                final Taxonomy t = n.getNodeData().getTaxonomy();
+                final String c = t.getTaxonomyCode();
+                if ( !ForesterUtil.isEmpty( c ) ) {
+                    if ( n.getNodeData().getTaxonomy() == null ) {
+                        ForesterUtil.fatalError( surfacing.PRG_NAME, "no taxonomy id for node " + n );
                     }
-                    dc_reapp_counts_to_protein_length_stats.get( count ).addValue( protein_length_stats_by_dc.get( dc )
-                            .arithmeticMean() );
-                }
-                if ( domain_number_stats_by_dc != null ) {
-                    if ( !dc_reapp_counts_to_domain_number_stats.containsKey( count ) ) {
-                        dc_reapp_counts_to_domain_number_stats.put( count, new BasicDescriptiveStatistics() );
+                    final String id = n.getNodeData().getTaxonomy().getIdentifier().getValue();
+                    if ( ForesterUtil.isEmpty( id ) ) {
+                        ForesterUtil.fatalError( surfacing.PRG_NAME, "no taxonomy id for node " + n );
                     }
-                    dc_reapp_counts_to_domain_number_stats.get( count ).addValue( domain_number_stats_by_dc.get( dc )
-                            .arithmeticMean() );
-                }
-                if ( domain_length_stats_by_domain != null ) {
-                    if ( !dc_reapp_counts_to_domain_lengths_stats.containsKey( count ) ) {
-                        dc_reapp_counts_to_domain_lengths_stats.put( count, new BasicDescriptiveStatistics() );
+                    if ( m.containsKey( c ) ) {
+                        ForesterUtil.fatalError( surfacing.PRG_NAME, "taxonomy code " + c + " is not unique" );
                     }
-                    final String[] ds = dc.split( "=" );
-                    dc_reapp_counts_to_domain_lengths_stats.get( count ).addValue( domain_length_stats_by_domain
-                            .get( ds[ 0 ] ).arithmeticMean() );
-                    dc_reapp_counts_to_domain_lengths_stats.get( count ).addValue( domain_length_stats_by_domain
-                            .get( ds[ 1 ] ).arithmeticMean() );
-                }
-                if ( count > 1 ) {
-                    more_than_once.add( dc );
-                    if ( protein_length_stats_by_dc != null ) {
-                        final DescriptiveStatistics s = protein_length_stats_by_dc.get( dc );
-                        for( final double element : s.getData() ) {
-                            gained_multiple_times_lengths_stats.addValue( element );
-                        }
-                    }
-                    if ( domain_number_stats_by_dc != null ) {
-                        final DescriptiveStatistics s = domain_number_stats_by_dc.get( dc );
-                        for( final double element : s.getData() ) {
-                            gained_multiple_times_domain_count_stats.addValue( element );
-                        }
-                    }
-                    if ( domain_length_stats_by_domain != null ) {
-                        final String[] ds = dc.split( "=" );
-                        final DescriptiveStatistics s0 = domain_length_stats_by_domain.get( ds[ 0 ] );
-                        final DescriptiveStatistics s1 = domain_length_stats_by_domain.get( ds[ 1 ] );
-                        for( final double element : s0.getData() ) {
-                            gained_multiple_times_domain_length_sum += element;
-                            ++gained_multiple_times_domain_length_count;
-                        }
-                        for( final double element : s1.getData() ) {
-                            gained_multiple_times_domain_length_sum += element;
-                            ++gained_multiple_times_domain_length_count;
-                        }
+                    final int iid = Integer.valueOf( id );
+                    if ( m.containsValue( iid ) ) {
+                        ForesterUtil.fatalError( surfacing.PRG_NAME, "taxonomy id " + iid + " is not unique" );
                     }
+                    m.put( c, iid );
                 }
-                else {
-                    if ( protein_length_stats_by_dc != null ) {
-                        final DescriptiveStatistics s = protein_length_stats_by_dc.get( dc );
-                        for( final double element : s.getData() ) {
-                            gained_once_lengths_stats.addValue( element );
+            }
+            else {
+                ForesterUtil.fatalError( surfacing.PRG_NAME, "no taxonomy for node " + n );
+            }
+        }
+        return m;
+    }
+
+    public static void decoratePrintableDomainSimilarities( final SortedSet<DomainSimilarity> domain_similarities,
+                                                            final Detailedness detailedness,
+                                                            final GoAnnotationOutput go_annotation_output,
+                                                            final Map<GoId, GoTerm> go_id_to_term_map,
+                                                            final GoNameSpace go_namespace_limit ) {
+        if ( ( go_namespace_limit != null ) && ( ( go_id_to_term_map == null ) || go_id_to_term_map.isEmpty() ) ) {
+            throw new IllegalArgumentException( "attempt to use a GO namespace limit without a GO id to term map" );
+        }
+        for( final DomainSimilarity domain_similarity : domain_similarities ) {
+            if ( domain_similarity instanceof PrintableDomainSimilarity ) {
+                final PrintableDomainSimilarity printable_domain_similarity = ( PrintableDomainSimilarity ) domain_similarity;
+                printable_domain_similarity.setDetailedness( detailedness );
+                printable_domain_similarity.setGoAnnotationOutput( go_annotation_output );
+                printable_domain_similarity.setGoIdToTermMap( go_id_to_term_map );
+                printable_domain_similarity.setGoNamespaceLimit( go_namespace_limit );
+            }
+        }
+    }
+
+    public static void doit( final List<Protein> proteins,
+                             final List<DomainId> query_domain_ids_nc_order,
+                             final Writer out,
+                             final String separator,
+                             final String limit_to_species,
+                             final Map<String, List<Integer>> average_protein_lengths_by_dc ) throws IOException {
+        for( final Protein protein : proteins ) {
+            if ( ForesterUtil.isEmpty( limit_to_species )
+                    || protein.getSpecies().getSpeciesId().equalsIgnoreCase( limit_to_species ) ) {
+                if ( protein.contains( query_domain_ids_nc_order, true ) ) {
+                    out.write( protein.getSpecies().getSpeciesId() );
+                    out.write( separator );
+                    out.write( protein.getProteinId().getId() );
+                    out.write( separator );
+                    out.write( "[" );
+                    final Set<DomainId> visited_domain_ids = new HashSet<DomainId>();
+                    boolean first = true;
+                    for( final Domain domain : protein.getProteinDomains() ) {
+                        if ( !visited_domain_ids.contains( domain.getDomainId() ) ) {
+                            visited_domain_ids.add( domain.getDomainId() );
+                            if ( first ) {
+                                first = false;
+                            }
+                            else {
+                                out.write( " " );
+                            }
+                            out.write( domain.getDomainId().getId() );
+                            out.write( " {" );
+                            out.write( "" + domain.getTotalCount() );
+                            out.write( "}" );
                         }
                     }
-                    if ( domain_number_stats_by_dc != null ) {
-                        final DescriptiveStatistics s = domain_number_stats_by_dc.get( dc );
-                        for( final double element : s.getData() ) {
-                            gained_once_domain_count_stats.addValue( element );
-                        }
+                    out.write( "]" );
+                    out.write( separator );
+                    if ( !( ForesterUtil.isEmpty( protein.getDescription() ) || protein.getDescription()
+                            .equals( SurfacingConstants.NONE ) ) ) {
+                        out.write( protein.getDescription() );
                     }
-                    if ( domain_length_stats_by_domain != null ) {
-                        final String[] ds = dc.split( "=" );
-                        final DescriptiveStatistics s0 = domain_length_stats_by_domain.get( ds[ 0 ] );
-                        final DescriptiveStatistics s1 = domain_length_stats_by_domain.get( ds[ 1 ] );
-                        for( final double element : s0.getData() ) {
-                            gained_once_domain_length_sum += element;
-                            ++gained_once_domain_length_count;
-                        }
-                        for( final double element : s1.getData() ) {
-                            gained_once_domain_length_sum += element;
-                            ++gained_once_domain_length_count;
-                        }
+                    out.write( separator );
+                    if ( !( ForesterUtil.isEmpty( protein.getAccession() ) || protein.getAccession()
+                            .equals( SurfacingConstants.NONE ) ) ) {
+                        out.write( protein.getAccession() );
                     }
+                    out.write( SurfacingConstants.NL );
                 }
             }
-            final Set<Integer> histogram_keys = histogram.keySet();
-            for( final Integer histogram_key : histogram_keys ) {
-                final int count = histogram.get( histogram_key );
-                final StringBuilder dc = domain_lists.get( histogram_key );
-                out_counts.write( histogram_key + "\t" + count + ForesterUtil.LINE_SEPARATOR );
-                out_dc.write( histogram_key + "\t" + dc + ForesterUtil.LINE_SEPARATOR );
-                out_dc_for_go_mapping.write( "#" + histogram_key + ForesterUtil.LINE_SEPARATOR );
-                final Object[] sorted = domain_lists_go.get( histogram_key ).toArray();
-                Arrays.sort( sorted );
-                for( final Object domain : sorted ) {
-                    out_dc_for_go_mapping.write( domain + ForesterUtil.LINE_SEPARATOR );
-                }
-                out_dc_for_go_mapping_unique.write( "#" + histogram_key + ForesterUtil.LINE_SEPARATOR );
-                for( final String domain : domain_lists_go_unique.get( histogram_key ) ) {
-                    out_dc_for_go_mapping_unique.write( domain + ForesterUtil.LINE_SEPARATOR );
-                }
+        }
+        out.flush();
+    }
+
+    public static void domainsPerProteinsStatistics( final String genome,
+                                                     final List<Protein> protein_list,
+                                                     final DescriptiveStatistics all_genomes_domains_per_potein_stats,
+                                                     final SortedMap<Integer, Integer> all_genomes_domains_per_potein_histo,
+                                                     final SortedSet<String> domains_which_are_always_single,
+                                                     final SortedSet<String> domains_which_are_sometimes_single_sometimes_not,
+                                                     final SortedSet<String> domains_which_never_single,
+                                                     final Writer writer ) {
+        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
+        for( final Protein protein : protein_list ) {
+            final int domains = protein.getNumberOfProteinDomains();
+            //System.out.println( domains );
+            stats.addValue( domains );
+            all_genomes_domains_per_potein_stats.addValue( domains );
+            if ( !all_genomes_domains_per_potein_histo.containsKey( domains ) ) {
+                all_genomes_domains_per_potein_histo.put( domains, 1 );
             }
-            out_counts.close();
-            out_dc.close();
-            out_dc_for_go_mapping.close();
-            out_dc_for_go_mapping_unique.close();
-            final SortedMap<String, Integer> lca_rank_counts = new TreeMap<String, Integer>();
-            final SortedMap<String, Integer> lca_ancestor_species_counts = new TreeMap<String, Integer>();
-            for( final String dc : more_than_once ) {
-                final List<PhylogenyNode> nodes = new ArrayList<PhylogenyNode>();
-                for( final PhylogenyNodeIterator it = local_phylogeny_l.iteratorExternalForward(); it.hasNext(); ) {
-                    final PhylogenyNode n = it.next();
-                    if ( n.getNodeData().getBinaryCharacters().getGainedCharacters().contains( dc ) ) {
-                        nodes.add( n );
+            else {
+                all_genomes_domains_per_potein_histo.put( domains,
+                                                          1 + all_genomes_domains_per_potein_histo.get( domains ) );
+            }
+            if ( domains == 1 ) {
+                final String domain = protein.getProteinDomain( 0 ).getDomainId().getId();
+                if ( !domains_which_are_sometimes_single_sometimes_not.contains( domain ) ) {
+                    if ( domains_which_never_single.contains( domain ) ) {
+                        domains_which_never_single.remove( domain );
+                        domains_which_are_sometimes_single_sometimes_not.add( domain );
+                    }
+                    else {
+                        domains_which_are_always_single.add( domain );
                     }
                 }
-                for( int i = 0; i < ( nodes.size() - 1 ); ++i ) {
-                    for( int j = i + 1; j < nodes.size(); ++j ) {
-                        final PhylogenyNode lca = PhylogenyMethods.calculateLCA( nodes.get( i ), nodes.get( j ) );
-                        String rank = "unknown";
-                        if ( lca.getNodeData().isHasTaxonomy()
-                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getRank() ) ) {
-                            rank = lca.getNodeData().getTaxonomy().getRank();
-                        }
-                        addToCountMap( lca_rank_counts, rank );
-                        String lca_species;
-                        if ( lca.getNodeData().isHasTaxonomy()
-                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getScientificName() ) ) {
-                            lca_species = lca.getNodeData().getTaxonomy().getScientificName();
-                        }
-                        else if ( lca.getNodeData().isHasTaxonomy()
-                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getCommonName() ) ) {
-                            lca_species = lca.getNodeData().getTaxonomy().getCommonName();
+            }
+            else if ( domains > 1 ) {
+                for( final Domain d : protein.getProteinDomains() ) {
+                    final String domain = d.getDomainId().getId();
+                    // System.out.println( domain );
+                    if ( !domains_which_are_sometimes_single_sometimes_not.contains( domain ) ) {
+                        if ( domains_which_are_always_single.contains( domain ) ) {
+                            domains_which_are_always_single.remove( domain );
+                            domains_which_are_sometimes_single_sometimes_not.add( domain );
                         }
                         else {
-                            lca_species = lca.getName();
+                            domains_which_never_single.add( domain );
                         }
-                        addToCountMap( lca_ancestor_species_counts, lca_species );
                     }
                 }
             }
-            final BufferedWriter out_for_rank_counts = new BufferedWriter( new FileWriter( outfilename_for_rank_counts ) );
-            final BufferedWriter out_for_ancestor_species_counts = new BufferedWriter( new FileWriter( outfilename_for_ancestor_species_counts ) );
-            ForesterUtil.map2writer( out_for_rank_counts, lca_rank_counts, "\t", ForesterUtil.LINE_SEPARATOR );
-            ForesterUtil.map2writer( out_for_ancestor_species_counts,
-                                     lca_ancestor_species_counts,
-                                     "\t",
-                                     ForesterUtil.LINE_SEPARATOR );
-            out_for_rank_counts.close();
-            out_for_ancestor_species_counts.close();
-            if ( !ForesterUtil.isEmpty( outfilename_for_protein_stats )
-                    && ( ( domain_length_stats_by_domain != null ) || ( protein_length_stats_by_dc != null ) || ( domain_number_stats_by_dc != null ) ) ) {
-                final BufferedWriter w = new BufferedWriter( new FileWriter( outfilename_for_protein_stats ) );
-                w.write( "Domain Lengths: " );
-                w.write( "\n" );
-                if ( domain_length_stats_by_domain != null ) {
-                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_domain_lengths_stats
-                            .entrySet() ) {
-                        w.write( entry.getKey().toString() );
-                        w.write( "\t" + entry.getValue().arithmeticMean() );
-                        w.write( "\t" + entry.getValue().median() );
-                        w.write( "\n" );
-                    }
-                }
-                w.flush();
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Protein Lengths: " );
-                w.write( "\n" );
-                if ( protein_length_stats_by_dc != null ) {
-                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_protein_length_stats
-                            .entrySet() ) {
-                        w.write( entry.getKey().toString() );
-                        w.write( "\t" + entry.getValue().arithmeticMean() );
-                        w.write( "\t" + entry.getValue().median() );
-                        w.write( "\n" );
-                    }
+        }
+        try {
+            writer.write( genome );
+            writer.write( "\t" );
+            if ( stats.getN() >= 1 ) {
+                writer.write( stats.arithmeticMean() + "" );
+                writer.write( "\t" );
+                if ( stats.getN() >= 2 ) {
+                    writer.write( stats.sampleStandardDeviation() + "" );
                 }
-                w.flush();
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Number of domains: " );
-                w.write( "\n" );
-                if ( domain_number_stats_by_dc != null ) {
-                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_domain_number_stats
-                            .entrySet() ) {
-                        w.write( entry.getKey().toString() );
-                        w.write( "\t" + entry.getValue().arithmeticMean() );
-                        w.write( "\t" + entry.getValue().median() );
-                        w.write( "\n" );
-                    }
+                else {
+                    writer.write( "" );
                 }
-                w.flush();
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained once, domain lengths:" );
-                w.write( "\n" );
-                w.write( "N: " + gained_once_domain_length_count );
-                w.write( "\n" );
-                w.write( "Avg: " + ( ( double ) gained_once_domain_length_sum / gained_once_domain_length_count ) );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained multiple times, domain lengths:" );
-                w.write( "\n" );
-                w.write( "N: " + gained_multiple_times_domain_length_count );
-                w.write( "\n" );
-                w.write( "Avg: "
-                        + ( ( double ) gained_multiple_times_domain_length_sum / gained_multiple_times_domain_length_count ) );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained once, protein lengths:" );
-                w.write( "\n" );
-                w.write( gained_once_lengths_stats.toString() );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained once, domain counts:" );
-                w.write( "\n" );
-                w.write( gained_once_domain_count_stats.toString() );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained multiple times, protein lengths:" );
-                w.write( "\n" );
-                w.write( gained_multiple_times_lengths_stats.toString() );
-                w.write( "\n" );
-                w.write( "\n" );
-                w.write( "Gained multiple times, domain counts:" );
-                w.write( "\n" );
-                w.write( gained_multiple_times_domain_count_stats.toString() );
-                w.flush();
-                w.close();
-            }
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "Failure to write: " + e );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote independent domain combination gains fitch counts to ["
-                + outfilename_for_counts + "]" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote independent domain combination gains fitch lists to ["
-                + outfilename_for_dc + "]" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME,
-                                     "Wrote independent domain combination gains fitch lists to (for GO mapping) ["
-                                             + outfilename_for_dc_for_go_mapping + "]" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME,
-                                     "Wrote independent domain combination gains fitch lists to (for GO mapping, unique) ["
-                                             + outfilename_for_dc_for_go_mapping_unique + "]" );
-    }
-
-    private final static void addToCountMap( final Map<String, Integer> map, final String s ) {
-        if ( map.containsKey( s ) ) {
-            map.put( s, map.get( s ) + 1 );
-        }
-        else {
-            map.put( s, 1 );
-        }
-    }
-
-    public static int calculateOverlap( final Domain domain, final List<Boolean> covered_positions ) {
-        int overlap_count = 0;
-        for( int i = domain.getFrom(); i <= domain.getTo(); ++i ) {
-            if ( ( i < covered_positions.size() ) && ( covered_positions.get( i ) == true ) ) {
-                ++overlap_count;
-            }
-        }
-        return overlap_count;
-    }
-
-    public static void checkForOutputFileWriteability( final File outfile ) {
-        final String error = ForesterUtil.isWritableFile( outfile );
-        if ( !ForesterUtil.isEmpty( error ) ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, error );
-        }
-    }
-
-    private static SortedSet<String> collectAllDomainsChangedOnSubtree( final PhylogenyNode subtree_root,
-                                                                        final boolean get_gains ) {
-        final SortedSet<String> domains = new TreeSet<String>();
-        for( final PhylogenyNode descendant : PhylogenyMethods.getAllDescendants( subtree_root ) ) {
-            final BinaryCharacters chars = descendant.getNodeData().getBinaryCharacters();
-            if ( get_gains ) {
-                domains.addAll( chars.getGainedCharacters() );
+                writer.write( "\t" );
+                writer.write( stats.median() + "" );
+                writer.write( "\t" );
+                writer.write( stats.getN() + "" );
+                writer.write( "\t" );
+                writer.write( stats.getMin() + "" );
+                writer.write( "\t" );
+                writer.write( stats.getMax() + "" );
             }
             else {
-                domains.addAll( chars.getLostCharacters() );
-            }
-        }
-        return domains;
-    }
-
-    public static void collectChangedDomainCombinationsFromBinaryStatesMatrixAsListToFile( final CharacterStateMatrix<CharacterStateMatrix.GainLossStates> matrix,
-                                                                                           final BinaryDomainCombination.DomainCombinationType dc_type,
-                                                                                           final List<BinaryDomainCombination> all_binary_domains_combination_gained,
-                                                                                           final boolean get_gains ) {
-        final SortedSet<String> sorted_ids = new TreeSet<String>();
-        for( int i = 0; i < matrix.getNumberOfIdentifiers(); ++i ) {
-            sorted_ids.add( matrix.getIdentifier( i ) );
-        }
-        for( final String id : sorted_ids ) {
-            for( int c = 0; c < matrix.getNumberOfCharacters(); ++c ) {
-                if ( ( get_gains && ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.GAIN ) )
-                        || ( !get_gains && ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.LOSS ) ) ) {
-                    if ( dc_type == BinaryDomainCombination.DomainCombinationType.DIRECTED_ADJACTANT ) {
-                        all_binary_domains_combination_gained.add( AdjactantDirectedBinaryDomainCombination
-                                .createInstance( matrix.getCharacter( c ) ) );
-                    }
-                    else if ( dc_type == BinaryDomainCombination.DomainCombinationType.DIRECTED ) {
-                        all_binary_domains_combination_gained.add( DirectedBinaryDomainCombination
-                                .createInstance( matrix.getCharacter( c ) ) );
-                    }
-                    else {
-                        all_binary_domains_combination_gained.add( BasicBinaryDomainCombination.createInstance( matrix
-                                .getCharacter( c ) ) );
-                    }
-                }
-            }
-        }
-    }
-
-    private static File createBaseDirForPerNodeDomainFiles( final String base_dir,
-                                                            final boolean domain_combinations,
-                                                            final CharacterStateMatrix.GainLossStates state,
-                                                            final String outfile ) {
-        File per_node_go_mapped_domain_gain_loss_files_base_dir = new File( new File( outfile ).getParent()
-                + ForesterUtil.FILE_SEPARATOR + base_dir );
-        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
-        }
-        if ( domain_combinations ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
-                    + ForesterUtil.FILE_SEPARATOR + "DC" );
-        }
-        else {
-            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
-                    + ForesterUtil.FILE_SEPARATOR + "DOMAINS" );
-        }
-        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
-        }
-        if ( state == GainLossStates.GAIN ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
-                    + ForesterUtil.FILE_SEPARATOR + "GAINS" );
-        }
-        else if ( state == GainLossStates.LOSS ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
-                    + ForesterUtil.FILE_SEPARATOR + "LOSSES" );
-        }
-        else {
-            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
-                    + ForesterUtil.FILE_SEPARATOR + "PRESENT" );
-        }
-        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
-            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
-        }
-        return per_node_go_mapped_domain_gain_loss_files_base_dir;
-    }
-
-    public static Map<DomainId, List<GoId>> createDomainIdToGoIdMap( final List<PfamToGoMapping> pfam_to_go_mappings ) {
-        final Map<DomainId, List<GoId>> domain_id_to_go_ids_map = new HashMap<DomainId, List<GoId>>( pfam_to_go_mappings
-                .size() );
-        for( final PfamToGoMapping pfam_to_go : pfam_to_go_mappings ) {
-            if ( !domain_id_to_go_ids_map.containsKey( pfam_to_go.getKey() ) ) {
-                domain_id_to_go_ids_map.put( pfam_to_go.getKey(), new ArrayList<GoId>() );
-            }
-            domain_id_to_go_ids_map.get( pfam_to_go.getKey() ).add( pfam_to_go.getValue() );
-        }
-        return domain_id_to_go_ids_map;
-    }
-
-    public static Map<DomainId, Set<String>> createDomainIdToSecondaryFeaturesMap( final File secondary_features_map_file )
-            throws IOException {
-        final BasicTable<String> primary_table = BasicTableParser.parse( secondary_features_map_file, '\t' );
-        final Map<DomainId, Set<String>> map = new TreeMap<DomainId, Set<String>>();
-        for( int r = 0; r < primary_table.getNumberOfRows(); ++r ) {
-            final DomainId domain_id = new DomainId( primary_table.getValue( 0, r ) );
-            if ( !map.containsKey( domain_id ) ) {
-                map.put( domain_id, new HashSet<String>() );
+                writer.write( "\t" );
+                writer.write( "\t" );
+                writer.write( "\t" );
+                writer.write( "0" );
+                writer.write( "\t" );
+                writer.write( "\t" );
             }
-            map.get( domain_id ).add( primary_table.getValue( 1, r ) );
-        }
-        return map;
-    }
-
-    public static Phylogeny createNjTreeBasedOnMatrixToFile( final File nj_tree_outfile, final DistanceMatrix distance ) {
-        checkForOutputFileWriteability( nj_tree_outfile );
-        final NeighborJoining nj = NeighborJoining.createInstance();
-        final Phylogeny phylogeny = nj.execute( ( BasicSymmetricalDistanceMatrix ) distance );
-        phylogeny.setName( nj_tree_outfile.getName() );
-        writePhylogenyToFile( phylogeny, nj_tree_outfile.toString() );
-        return phylogeny;
-    }
-
-    private static SortedSet<BinaryDomainCombination> createSetOfAllBinaryDomainCombinationsPerGenome( final GenomeWideCombinableDomains gwcd ) {
-        final SortedMap<DomainId, CombinableDomains> cds = gwcd.getAllCombinableDomainsIds();
-        final SortedSet<BinaryDomainCombination> binary_combinations = new TreeSet<BinaryDomainCombination>();
-        for( final DomainId domain_id : cds.keySet() ) {
-            final CombinableDomains cd = cds.get( domain_id );
-            binary_combinations.addAll( cd.toBinaryDomainCombinations() );
-        }
-        return binary_combinations;
-    }
-
-    public static void decoratePrintableDomainSimilarities( final SortedSet<DomainSimilarity> domain_similarities,
-                                                            final Detailedness detailedness,
-                                                            final GoAnnotationOutput go_annotation_output,
-                                                            final Map<GoId, GoTerm> go_id_to_term_map,
-                                                            final GoNameSpace go_namespace_limit ) {
-        if ( ( go_namespace_limit != null ) && ( ( go_id_to_term_map == null ) || go_id_to_term_map.isEmpty() ) ) {
-            throw new IllegalArgumentException( "attempt to use a GO namespace limit without a GO id to term map" );
+            writer.write( "\n" );
         }
-        for( final DomainSimilarity domain_similarity : domain_similarities ) {
-            if ( domain_similarity instanceof PrintableDomainSimilarity ) {
-                final PrintableDomainSimilarity printable_domain_similarity = ( PrintableDomainSimilarity ) domain_similarity;
-                printable_domain_similarity.setDetailedness( detailedness );
-                printable_domain_similarity.setGoAnnotationOutput( go_annotation_output );
-                printable_domain_similarity.setGoIdToTermMap( go_id_to_term_map );
-                printable_domain_similarity.setGoNamespaceLimit( go_namespace_limit );
-            }
+        catch ( final IOException e ) {
+            e.printStackTrace();
         }
     }
 
@@ -844,7 +538,9 @@ public final class SurfacingUtil {
                                                  final BinaryDomainCombination.DomainCombinationType dc_type,
                                                  final Map<String, DescriptiveStatistics> protein_length_stats_by_dc,
                                                  final Map<String, DescriptiveStatistics> domain_number_stats_by_dc,
-                                                 final Map<String, DescriptiveStatistics> domain_length_stats_by_domain ) {
+                                                 final Map<String, DescriptiveStatistics> domain_length_stats_by_domain,
+                                                 final Map<String, Integer> tax_code_to_id_map,
+                                                 final boolean write_to_nexus ) {
         final String sep = ForesterUtil.LINE_SEPARATOR + "###################" + ForesterUtil.LINE_SEPARATOR;
         final String date_time = ForesterUtil.getCurrentDateTime();
         final SortedSet<String> all_pfams_encountered = new TreeSet<String>();
@@ -852,7 +548,9 @@ public final class SurfacingUtil {
         final SortedSet<String> all_pfams_lost_as_domains = new TreeSet<String>();
         final SortedSet<String> all_pfams_gained_as_dom_combinations = new TreeSet<String>();
         final SortedSet<String> all_pfams_lost_as_dom_combinations = new TreeSet<String>();
-        writeToNexus( outfile_name, domain_parsimony, phylogeny );
+        if ( write_to_nexus ) {
+            writeToNexus( outfile_name, domain_parsimony, phylogeny );
+        }
         // DOLLO DOMAINS
         // -------------
         Phylogeny local_phylogeny_l = phylogeny.copy();
@@ -895,7 +593,8 @@ public final class SurfacingUtil {
                                        domain_id_to_secondary_features_maps,
                                        all_pfams_encountered,
                                        all_pfams_gained_as_domains,
-                                       "_dollo_gains_d" );
+                                       "_dollo_gains_d",
+                                       tax_code_to_id_map );
         writeBinaryStatesMatrixToList( domain_id_to_go_ids_map,
                                        go_id_to_term_map,
                                        go_namespace_limit,
@@ -910,7 +609,8 @@ public final class SurfacingUtil {
                                        domain_id_to_secondary_features_maps,
                                        all_pfams_encountered,
                                        all_pfams_lost_as_domains,
-                                       "_dollo_losses_d" );
+                                       "_dollo_losses_d",
+                                       tax_code_to_id_map );
         writeBinaryStatesMatrixToList( domain_id_to_go_ids_map,
                                        go_id_to_term_map,
                                        go_namespace_limit,
@@ -925,7 +625,8 @@ public final class SurfacingUtil {
                                        domain_id_to_secondary_features_maps,
                                        all_pfams_encountered,
                                        null,
-                                       "_dollo_present_d" );
+                                       "_dollo_present_d",
+                                       tax_code_to_id_map );
         preparePhylogeny( local_phylogeny_l,
                           domain_parsimony,
                           date_time,
@@ -1012,7 +713,8 @@ public final class SurfacingUtil {
                                            null,
                                            all_pfams_encountered,
                                            all_pfams_gained_as_dom_combinations,
-                                           "_fitch_gains_dc" );
+                                           "_fitch_gains_dc",
+                                           tax_code_to_id_map );
             writeBinaryStatesMatrixToList( domain_id_to_go_ids_map,
                                            go_id_to_term_map,
                                            go_namespace_limit,
@@ -1027,7 +729,8 @@ public final class SurfacingUtil {
                                            null,
                                            all_pfams_encountered,
                                            all_pfams_lost_as_dom_combinations,
-                                           "_fitch_losses_dc" );
+                                           "_fitch_losses_dc",
+                                           tax_code_to_id_map );
             writeBinaryStatesMatrixToList( domain_id_to_go_ids_map,
                                            go_id_to_term_map,
                                            go_namespace_limit,
@@ -1042,7 +745,8 @@ public final class SurfacingUtil {
                                            null,
                                            all_pfams_encountered,
                                            null,
-                                           "_fitch_present_dc" );
+                                           "_fitch_present_dc",
+                                           tax_code_to_id_map );
             writeAllEncounteredPfamsToFile( domain_id_to_go_ids_map,
                                             go_id_to_term_map,
                                             outfile_name,
@@ -1151,12 +855,11 @@ public final class SurfacingUtil {
                 + "_MAPPED_indep_dc_gains_fitch_lca_taxonomies.txt", null, null, null, null );
     }
 
-    public static void doit( final List<Protein> proteins,
-                             final List<DomainId> query_domain_ids_nc_order,
-                             final Writer out,
-                             final String separator,
-                             final String limit_to_species,
-                             final Map<String, List<Integer>> average_protein_lengths_by_dc ) throws IOException {
+    public static void extractProteinNames( final List<Protein> proteins,
+                                            final List<DomainId> query_domain_ids_nc_order,
+                                            final Writer out,
+                                            final String separator,
+                                            final String limit_to_species ) throws IOException {
         for( final Protein protein : proteins ) {
             if ( ForesterUtil.isEmpty( limit_to_species )
                     || protein.getSpecies().getSpeciesId().equalsIgnoreCase( limit_to_species ) ) {
@@ -1201,57 +904,8 @@ public final class SurfacingUtil {
         out.flush();
     }
 
-    public static void extractProteinNames( final List<Protein> proteins,
-                                            final List<DomainId> query_domain_ids_nc_order,
-                                            final Writer out,
-                                            final String separator,
-                                            final String limit_to_species ) throws IOException {
-        for( final Protein protein : proteins ) {
-            if ( ForesterUtil.isEmpty( limit_to_species )
-                    || protein.getSpecies().getSpeciesId().equalsIgnoreCase( limit_to_species ) ) {
-                if ( protein.contains( query_domain_ids_nc_order, true ) ) {
-                    out.write( protein.getSpecies().getSpeciesId() );
-                    out.write( separator );
-                    out.write( protein.getProteinId().getId() );
-                    out.write( separator );
-                    out.write( "[" );
-                    final Set<DomainId> visited_domain_ids = new HashSet<DomainId>();
-                    boolean first = true;
-                    for( final Domain domain : protein.getProteinDomains() ) {
-                        if ( !visited_domain_ids.contains( domain.getDomainId() ) ) {
-                            visited_domain_ids.add( domain.getDomainId() );
-                            if ( first ) {
-                                first = false;
-                            }
-                            else {
-                                out.write( " " );
-                            }
-                            out.write( domain.getDomainId().getId() );
-                            out.write( " {" );
-                            out.write( "" + domain.getTotalCount() );
-                            out.write( "}" );
-                        }
-                    }
-                    out.write( "]" );
-                    out.write( separator );
-                    if ( !( ForesterUtil.isEmpty( protein.getDescription() ) || protein.getDescription()
-                            .equals( SurfacingConstants.NONE ) ) ) {
-                        out.write( protein.getDescription() );
-                    }
-                    out.write( separator );
-                    if ( !( ForesterUtil.isEmpty( protein.getAccession() ) || protein.getAccession()
-                            .equals( SurfacingConstants.NONE ) ) ) {
-                        out.write( protein.getAccession() );
-                    }
-                    out.write( SurfacingConstants.NL );
-                }
-            }
-        }
-        out.flush();
-    }
-
-    public static void extractProteinNames( final SortedMap<Species, List<Protein>> protein_lists_per_species,
-                                            final DomainId domain_id,
+    public static void extractProteinNames( final SortedMap<Species, List<Protein>> protein_lists_per_species,
+                                            final DomainId domain_id,
                                             final Writer out,
                                             final String separator,
                                             final String limit_to_species,
@@ -1395,6 +1049,53 @@ public final class SurfacingUtil {
         return true;
     }
 
+    public static void performDomainArchitectureAnalysis( final SortedMap<String, Set<String>> domain_architecutures,
+                                                          final SortedMap<String, Integer> domain_architecuture_counts,
+                                                          final int min_count,
+                                                          final File da_counts_outfile,
+                                                          final File unique_da_outfile ) {
+        checkForOutputFileWriteability( da_counts_outfile );
+        checkForOutputFileWriteability( unique_da_outfile );
+        try {
+            final BufferedWriter da_counts_out = new BufferedWriter( new FileWriter( da_counts_outfile ) );
+            final BufferedWriter unique_da_out = new BufferedWriter( new FileWriter( unique_da_outfile ) );
+            final Iterator<Entry<String, Integer>> it = domain_architecuture_counts.entrySet().iterator();
+            while ( it.hasNext() ) {
+                final Map.Entry<String, Integer> e = it.next();
+                final String da = e.getKey();
+                final int count = e.getValue();
+                if ( count >= min_count ) {
+                    da_counts_out.write( da );
+                    da_counts_out.write( "\t" );
+                    da_counts_out.write( String.valueOf( count ) );
+                    da_counts_out.write( ForesterUtil.LINE_SEPARATOR );
+                }
+                if ( count == 1 ) {
+                    final Iterator<Entry<String, Set<String>>> it2 = domain_architecutures.entrySet().iterator();
+                    while ( it2.hasNext() ) {
+                        final Map.Entry<String, Set<String>> e2 = it2.next();
+                        final String genome = e2.getKey();
+                        final Set<String> das = e2.getValue();
+                        if ( das.contains( da ) ) {
+                            unique_da_out.write( genome );
+                            unique_da_out.write( "\t" );
+                            unique_da_out.write( da );
+                            unique_da_out.write( ForesterUtil.LINE_SEPARATOR );
+                        }
+                    }
+                }
+            }
+            unique_da_out.close();
+            da_counts_out.close();
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + da_counts_outfile + "\"" );
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + unique_da_outfile + "\"" );
+        //
+    }
+
     public static void preparePhylogeny( final Phylogeny p,
                                          final DomainParsimonyCalculator domain_parsimony,
                                          final String date_time,
@@ -1563,17 +1264,26 @@ public final class SurfacingUtil {
         return domains;
     }
 
-    private static List<String> splitDomainCombination( final String dc ) {
-        final String[] s = dc.split( "=" );
-        if ( s.length != 2 ) {
-            ForesterUtil.printErrorMessage( surfacing.PRG_NAME, "Stringyfied domain combination has illegal format: "
-                    + dc );
-            System.exit( -1 );
+    public static int storeDomainArchitectures( final String genome,
+                                                final SortedMap<String, Set<String>> domain_architecutures,
+                                                final List<Protein> protein_list,
+                                                final Map<String, Integer> distinct_domain_architecuture_counts ) {
+        final Set<String> da = new HashSet<String>();
+        domain_architecutures.put( genome, da );
+        for( final Protein protein : protein_list ) {
+            final String da_str = ( ( BasicProtein ) protein ).toDomainArchitectureString( "~", 3, "=" );
+            if ( !da.contains( da_str ) ) {
+                if ( !distinct_domain_architecuture_counts.containsKey( da_str ) ) {
+                    distinct_domain_architecuture_counts.put( da_str, 1 );
+                }
+                else {
+                    distinct_domain_architecuture_counts.put( da_str,
+                                                              distinct_domain_architecuture_counts.get( da_str ) + 1 );
+                }
+                da.add( da_str );
+            }
         }
-        final List<String> l = new ArrayList<String>( 2 );
-        l.add( s[ 0 ] );
-        l.add( s[ 1 ] );
-        return l;
+        return da.size();
     }
 
     public static void writeAllDomainsChangedOnAllSubtrees( final Phylogeny p,
@@ -1605,204 +1315,66 @@ public final class SurfacingUtil {
         }
     }
 
-    private static void writeAllEncounteredPfamsToFile( final Map<DomainId, List<GoId>> domain_id_to_go_ids_map,
-                                                        final Map<GoId, GoTerm> go_id_to_term_map,
-                                                        final String outfile_name,
-                                                        final SortedSet<String> all_pfams_encountered ) {
-        final File all_pfams_encountered_file = new File( outfile_name + surfacing.ALL_PFAMS_ENCOUNTERED_SUFFIX );
-        final File all_pfams_encountered_with_go_annotation_file = new File( outfile_name
-                + surfacing.ALL_PFAMS_ENCOUNTERED_WITH_GO_ANNOTATION_SUFFIX );
-        final File encountered_pfams_summary_file = new File( outfile_name + surfacing.ENCOUNTERED_PFAMS_SUMMARY_SUFFIX );
-        int biological_process_counter = 0;
-        int cellular_component_counter = 0;
-        int molecular_function_counter = 0;
-        int pfams_with_mappings_counter = 0;
-        int pfams_without_mappings_counter = 0;
-        int pfams_without_mappings_to_bp_or_mf_counter = 0;
-        int pfams_with_mappings_to_bp_or_mf_counter = 0;
+    public static void writeBinaryDomainCombinationsFileForGraphAnalysis( final String[][] input_file_properties,
+                                                                          final File output_dir,
+                                                                          final GenomeWideCombinableDomains gwcd,
+                                                                          final int i,
+                                                                          final GenomeWideCombinableDomainsSortOrder dc_sort_order ) {
+        File dc_outfile_dot = new File( input_file_properties[ i ][ 1 ]
+                + surfacing.DOMAIN_COMBINITONS_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS );
+        if ( output_dir != null ) {
+            dc_outfile_dot = new File( output_dir + ForesterUtil.FILE_SEPARATOR + dc_outfile_dot );
+        }
+        checkForOutputFileWriteability( dc_outfile_dot );
+        final SortedSet<BinaryDomainCombination> binary_combinations = createSetOfAllBinaryDomainCombinationsPerGenome( gwcd );
         try {
-            final Writer all_pfams_encountered_writer = new BufferedWriter( new FileWriter( all_pfams_encountered_file ) );
-            final Writer all_pfams_encountered_with_go_annotation_writer = new BufferedWriter( new FileWriter( all_pfams_encountered_with_go_annotation_file ) );
-            final Writer summary_writer = new BufferedWriter( new FileWriter( encountered_pfams_summary_file ) );
-            summary_writer.write( "# Pfam to GO mapping summary" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Actual summary is at the end of this file." );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Encountered Pfams without a GO mapping:" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            for( final String pfam : all_pfams_encountered ) {
-                all_pfams_encountered_writer.write( pfam );
-                all_pfams_encountered_writer.write( ForesterUtil.LINE_SEPARATOR );
-                final DomainId domain_id = new DomainId( pfam );
-                if ( domain_id_to_go_ids_map.containsKey( domain_id ) ) {
-                    ++pfams_with_mappings_counter;
-                    all_pfams_encountered_with_go_annotation_writer.write( pfam );
-                    all_pfams_encountered_with_go_annotation_writer.write( ForesterUtil.LINE_SEPARATOR );
-                    final List<GoId> go_ids = domain_id_to_go_ids_map.get( domain_id );
-                    boolean maps_to_bp = false;
-                    boolean maps_to_cc = false;
-                    boolean maps_to_mf = false;
-                    for( final GoId go_id : go_ids ) {
-                        final GoTerm go_term = go_id_to_term_map.get( go_id );
-                        if ( go_term.getGoNameSpace().isBiologicalProcess() ) {
-                            maps_to_bp = true;
-                        }
-                        else if ( go_term.getGoNameSpace().isCellularComponent() ) {
-                            maps_to_cc = true;
-                        }
-                        else if ( go_term.getGoNameSpace().isMolecularFunction() ) {
-                            maps_to_mf = true;
+            final BufferedWriter out_dot = new BufferedWriter( new FileWriter( dc_outfile_dot ) );
+            for( final BinaryDomainCombination bdc : binary_combinations ) {
+                out_dot.write( bdc.toGraphDescribingLanguage( BinaryDomainCombination.OutputFormat.DOT, null, null )
+                        .toString() );
+                out_dot.write( SurfacingConstants.NL );
+            }
+            out_dot.close();
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote binary domain combination for \""
+                + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ", "
+                + input_file_properties[ i ][ 2 ] + ") to: \"" + dc_outfile_dot + "\"" );
+    }
+
+    public static void writeBinaryStatesMatrixAsListToFile( final CharacterStateMatrix<CharacterStateMatrix.GainLossStates> matrix,
+                                                            final CharacterStateMatrix.GainLossStates state,
+                                                            final String filename,
+                                                            final String indentifier_characters_separator,
+                                                            final String character_separator,
+                                                            final Map<String, String> descriptions ) {
+        final File outfile = new File( filename );
+        checkForOutputFileWriteability( outfile );
+        final SortedSet<String> sorted_ids = new TreeSet<String>();
+        for( int i = 0; i < matrix.getNumberOfIdentifiers(); ++i ) {
+            sorted_ids.add( matrix.getIdentifier( i ) );
+        }
+        try {
+            final BufferedWriter out = new BufferedWriter( new FileWriter( outfile ) );
+            for( final String id : sorted_ids ) {
+                out.write( indentifier_characters_separator );
+                out.write( "#" + id );
+                out.write( indentifier_characters_separator );
+                for( int c = 0; c < matrix.getNumberOfCharacters(); ++c ) {
+                    // Not nice:
+                    // using null to indicate either UNCHANGED_PRESENT or GAIN.
+                    if ( ( matrix.getState( id, c ) == state )
+                            || ( ( state == null ) && ( ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.GAIN ) || ( matrix
+                                    .getState( id, c ) == CharacterStateMatrix.GainLossStates.UNCHANGED_PRESENT ) ) ) ) {
+                        out.write( matrix.getCharacter( c ) );
+                        if ( ( descriptions != null ) && !descriptions.isEmpty()
+                                && descriptions.containsKey( matrix.getCharacter( c ) ) ) {
+                            out.write( "\t" );
+                            out.write( descriptions.get( matrix.getCharacter( c ) ) );
                         }
-                    }
-                    if ( maps_to_bp ) {
-                        ++biological_process_counter;
-                    }
-                    if ( maps_to_cc ) {
-                        ++cellular_component_counter;
-                    }
-                    if ( maps_to_mf ) {
-                        ++molecular_function_counter;
-                    }
-                    if ( maps_to_bp || maps_to_mf ) {
-                        ++pfams_with_mappings_to_bp_or_mf_counter;
-                    }
-                    else {
-                        ++pfams_without_mappings_to_bp_or_mf_counter;
-                    }
-                }
-                else {
-                    ++pfams_without_mappings_to_bp_or_mf_counter;
-                    ++pfams_without_mappings_counter;
-                    summary_writer.write( pfam );
-                    summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-                }
-            }
-            all_pfams_encountered_writer.close();
-            all_pfams_encountered_with_go_annotation_writer.close();
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote all [" + all_pfams_encountered.size()
-                    + "] encountered Pfams to: \"" + all_pfams_encountered_file + "\"" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote all [" + pfams_with_mappings_counter
-                    + "] encountered Pfams with GO mappings to: \"" + all_pfams_encountered_with_go_annotation_file
-                    + "\"" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote summary (including all ["
-                    + pfams_without_mappings_counter + "] encountered Pfams without GO mappings) to: \""
-                    + encountered_pfams_summary_file + "\"" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Sum of Pfams encountered                : "
-                    + all_pfams_encountered.size() );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams without a mapping                 : "
-                    + pfams_without_mappings_counter + " ["
-                    + ( ( 100 * pfams_without_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams without mapping to proc. or func. : "
-                    + pfams_without_mappings_to_bp_or_mf_counter + " ["
-                    + ( ( 100 * pfams_without_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with a mapping                    : "
-                    + pfams_with_mappings_counter + " ["
-                    + ( ( 100 * pfams_with_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with a mapping to proc. or func.  : "
-                    + pfams_with_mappings_to_bp_or_mf_counter + " ["
-                    + ( ( 100 * pfams_with_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to biological process: "
-                    + biological_process_counter + " ["
-                    + ( ( 100 * biological_process_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to molecular function: "
-                    + molecular_function_counter + " ["
-                    + ( ( 100 * molecular_function_counter ) / all_pfams_encountered.size() ) + "%]" );
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to cellular component: "
-                    + cellular_component_counter + " ["
-                    + ( ( 100 * cellular_component_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Sum of Pfams encountered                : " + all_pfams_encountered.size() );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams without a mapping                 : " + pfams_without_mappings_counter
-                    + " [" + ( ( 100 * pfams_without_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams without mapping to proc. or func. : "
-                    + pfams_without_mappings_to_bp_or_mf_counter + " ["
-                    + ( ( 100 * pfams_without_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams with a mapping                    : " + pfams_with_mappings_counter + " ["
-                    + ( ( 100 * pfams_with_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams with a mapping to proc. or func.  : "
-                    + pfams_with_mappings_to_bp_or_mf_counter + " ["
-                    + ( ( 100 * pfams_with_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams with mapping to biological process: " + biological_process_counter + " ["
-                    + ( ( 100 * biological_process_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams with mapping to molecular function: " + molecular_function_counter + " ["
-                    + ( ( 100 * molecular_function_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.write( "# Pfams with mapping to cellular component: " + cellular_component_counter + " ["
-                    + ( ( 100 * cellular_component_counter ) / all_pfams_encountered.size() ) + "%]" );
-            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
-            summary_writer.close();
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "Failure to write: " + e );
-        }
-    }
-
-    public static void writeBinaryDomainCombinationsFileForGraphAnalysis( final String[][] input_file_properties,
-                                                                          final File output_dir,
-                                                                          final GenomeWideCombinableDomains gwcd,
-                                                                          final int i,
-                                                                          final GenomeWideCombinableDomainsSortOrder dc_sort_order ) {
-        File dc_outfile_dot = new File( input_file_properties[ i ][ 1 ]
-                + surfacing.DOMAIN_COMBINITONS_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS );
-        if ( output_dir != null ) {
-            dc_outfile_dot = new File( output_dir + ForesterUtil.FILE_SEPARATOR + dc_outfile_dot );
-        }
-        checkForOutputFileWriteability( dc_outfile_dot );
-        final SortedSet<BinaryDomainCombination> binary_combinations = createSetOfAllBinaryDomainCombinationsPerGenome( gwcd );
-        try {
-            final BufferedWriter out_dot = new BufferedWriter( new FileWriter( dc_outfile_dot ) );
-            for( final BinaryDomainCombination bdc : binary_combinations ) {
-                out_dot.write( bdc.toGraphDescribingLanguage( BinaryDomainCombination.OutputFormat.DOT, null, null )
-                        .toString() );
-                out_dot.write( SurfacingConstants.NL );
-            }
-            out_dot.close();
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote binary domain combination for \""
-                + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ", "
-                + input_file_properties[ i ][ 2 ] + ") to: \"" + dc_outfile_dot + "\"" );
-    }
-
-    public static void writeBinaryStatesMatrixAsListToFile( final CharacterStateMatrix<CharacterStateMatrix.GainLossStates> matrix,
-                                                            final CharacterStateMatrix.GainLossStates state,
-                                                            final String filename,
-                                                            final String indentifier_characters_separator,
-                                                            final String character_separator,
-                                                            final Map<String, String> descriptions ) {
-        final File outfile = new File( filename );
-        checkForOutputFileWriteability( outfile );
-        final SortedSet<String> sorted_ids = new TreeSet<String>();
-        for( int i = 0; i < matrix.getNumberOfIdentifiers(); ++i ) {
-            sorted_ids.add( matrix.getIdentifier( i ) );
-        }
-        try {
-            final BufferedWriter out = new BufferedWriter( new FileWriter( outfile ) );
-            for( final String id : sorted_ids ) {
-                out.write( indentifier_characters_separator );
-                out.write( "#" + id );
-                out.write( indentifier_characters_separator );
-                for( int c = 0; c < matrix.getNumberOfCharacters(); ++c ) {
-                    // Not nice:
-                    // using null to indicate either UNCHANGED_PRESENT or GAIN.
-                    if ( ( matrix.getState( id, c ) == state )
-                            || ( ( state == null ) && ( ( matrix.getState( id, c ) == CharacterStateMatrix.GainLossStates.GAIN ) || ( matrix
-                                    .getState( id, c ) == CharacterStateMatrix.GainLossStates.UNCHANGED_PRESENT ) ) ) ) {
-                        out.write( matrix.getCharacter( c ) );
-                        if ( ( descriptions != null ) && !descriptions.isEmpty()
-                                && descriptions.containsKey( matrix.getCharacter( c ) ) ) {
-                            out.write( "\t" );
-                            out.write( descriptions.get( matrix.getCharacter( c ) ) );
-                        }
-                        out.write( character_separator );
+                        out.write( character_separator );
                     }
                 }
             }
@@ -1874,7 +1446,8 @@ public final class SurfacingUtil {
                                                       final Map<DomainId, Set<String>>[] domain_id_to_secondary_features_maps,
                                                       final SortedSet<String> all_pfams_encountered,
                                                       final SortedSet<String> pfams_gained_or_lost,
-                                                      final String suffix_for_per_node_events_file ) {
+                                                      final String suffix_for_per_node_events_file,
+                                                      final Map<String, Integer> tax_code_to_id_map ) {
         if ( ( go_namespace_limit != null ) && ( ( go_id_to_term_map == null ) || ( go_id_to_term_map.size() < 1 ) ) ) {
             throw new IllegalArgumentException( "attempt to use GO namespace limit without a GO-id to term map" );
         }
@@ -1935,7 +1508,7 @@ public final class SurfacingUtil {
                 out.write( SurfacingConstants.NL );
                 out.write( "<h2>" );
                 out.write( "<a name=\"" + id + "\">" + id + "</a>" );
-                writeTaxonomyLinks( out, id );
+                writeTaxonomyLinks( out, id, tax_code_to_id_map );
                 out.write( "</h2>" );
                 out.write( SurfacingConstants.NL );
                 out.write( "<table>" );
@@ -2082,17 +1655,878 @@ public final class SurfacingUtil {
             per_genome_domain_promiscuity_statistics_writer.write( ForesterUtil.LINE_SEPARATOR );
         }
         catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        if ( input_file_properties[ i ].length == 3 ) {
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote domain combination counts for \""
-                    + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ", "
-                    + input_file_properties[ i ][ 2 ] + ") to: \"" + dc_outfile + "\"" );
-        }
-        else {
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote domain combination counts for \""
-                    + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ") to: \""
-                    + dc_outfile + "\"" );
+            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
+        }
+        if ( input_file_properties[ i ].length == 3 ) {
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote domain combination counts for \""
+                    + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ", "
+                    + input_file_properties[ i ][ 2 ] + ") to: \"" + dc_outfile + "\"" );
+        }
+        else {
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote domain combination counts for \""
+                    + input_file_properties[ i ][ 0 ] + "\" (" + input_file_properties[ i ][ 1 ] + ") to: \""
+                    + dc_outfile + "\"" );
+        }
+    }
+
+    public static DescriptiveStatistics writeDomainSimilaritiesToFile( final StringBuilder html_desc,
+                                                                       final StringBuilder html_title,
+                                                                       final Writer single_writer,
+                                                                       Map<Character, Writer> split_writers,
+                                                                       final SortedSet<DomainSimilarity> similarities,
+                                                                       final boolean treat_as_binary,
+                                                                       final List<Species> species_order,
+                                                                       final PrintableDomainSimilarity.PRINT_OPTION print_option,
+                                                                       final DomainSimilarity.DomainSimilaritySortField sort_field,
+                                                                       final DomainSimilarity.DomainSimilarityScoring scoring,
+                                                                       final boolean verbose,
+                                                                       final Map<String, Integer> tax_code_to_id_map )
+            throws IOException {
+        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
+        String histogram_title = null;
+        switch ( sort_field ) {
+            case ABS_MAX_COUNTS_DIFFERENCE:
+                if ( treat_as_binary ) {
+                    histogram_title = "absolute counts difference:";
+                }
+                else {
+                    histogram_title = "absolute (maximal) counts difference:";
+                }
+                break;
+            case MAX_COUNTS_DIFFERENCE:
+                if ( treat_as_binary ) {
+                    histogram_title = "counts difference:";
+                }
+                else {
+                    histogram_title = "(maximal) counts difference:";
+                }
+                break;
+            case DOMAIN_ID:
+                histogram_title = "score mean:";
+                break;
+            case MIN:
+                histogram_title = "score minimum:";
+                break;
+            case MAX:
+                histogram_title = "score maximum:";
+                break;
+            case MAX_DIFFERENCE:
+                if ( treat_as_binary ) {
+                    histogram_title = "difference:";
+                }
+                else {
+                    histogram_title = "(maximal) difference:";
+                }
+                break;
+            case MEAN:
+                histogram_title = "score mean:";
+                break;
+            case SD:
+                histogram_title = "score standard deviation:";
+                break;
+            case SPECIES_COUNT:
+                histogram_title = "species number:";
+                break;
+            default:
+                throw new AssertionError( "Unknown sort field: " + sort_field );
+        }
+        for( final DomainSimilarity similarity : similarities ) {
+            switch ( sort_field ) {
+                case ABS_MAX_COUNTS_DIFFERENCE:
+                    stats.addValue( Math.abs( similarity.getMaximalDifferenceInCounts() ) );
+                    break;
+                case MAX_COUNTS_DIFFERENCE:
+                    stats.addValue( similarity.getMaximalDifferenceInCounts() );
+                    break;
+                case DOMAIN_ID:
+                    stats.addValue( similarity.getMeanSimilarityScore() );
+                    break;
+                case MIN:
+                    stats.addValue( similarity.getMinimalSimilarityScore() );
+                    break;
+                case MAX:
+                    stats.addValue( similarity.getMaximalSimilarityScore() );
+                    break;
+                case MAX_DIFFERENCE:
+                    stats.addValue( similarity.getMaximalDifference() );
+                    break;
+                case MEAN:
+                    stats.addValue( similarity.getMeanSimilarityScore() );
+                    break;
+                case SD:
+                    stats.addValue( similarity.getStandardDeviationOfSimilarityScore() );
+                    break;
+                case SPECIES_COUNT:
+                    stats.addValue( similarity.getSpecies().size() );
+                    break;
+                default:
+                    throw new AssertionError( "Unknown sort field: " + sort_field );
+            }
+        }
+        AsciiHistogram histo = null;
+        if ( stats.getMin() < stats.getMin() ) {
+            histo = new AsciiHistogram( stats, histogram_title );
+        }
+        if ( verbose ) {
+            if ( histo != null ) {
+                System.out.println( histo.toStringBuffer( 20, '|', 40, 5 ) );
+            }
+            System.out.println();
+            System.out.println( "N                   : " + stats.getN() );
+            System.out.println( "Min                 : " + stats.getMin() );
+            System.out.println( "Max                 : " + stats.getMax() );
+            System.out.println( "Mean                : " + stats.arithmeticMean() );
+            if ( stats.getN() > 1 ) {
+                System.out.println( "SD                  : " + stats.sampleStandardDeviation() );
+            }
+            else {
+                System.out.println( "SD                  : n/a" );
+            }
+            System.out.println( "Median              : " + stats.median() );
+            if ( stats.getN() > 1 ) {
+                System.out.println( "Pearsonian skewness : " + stats.pearsonianSkewness() );
+            }
+            else {
+                System.out.println( "Pearsonian skewness : n/a" );
+            }
+        }
+        if ( ( single_writer != null ) && ( ( split_writers == null ) || split_writers.isEmpty() ) ) {
+            split_writers = new HashMap<Character, Writer>();
+            split_writers.put( '_', single_writer );
+        }
+        switch ( print_option ) {
+            case SIMPLE_TAB_DELIMITED:
+                break;
+            case HTML:
+                for( final Character key : split_writers.keySet() ) {
+                    final Writer w = split_writers.get( key );
+                    w.write( "<html>" );
+                    w.write( SurfacingConstants.NL );
+                    if ( key != '_' ) {
+                        addHtmlHead( w, "DCs (" + html_title + ") " + key.toString().toUpperCase() );
+                    }
+                    else {
+                        addHtmlHead( w, "DCs (" + html_title + ")" );
+                    }
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<body>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( html_desc.toString() );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<hr>" );
+                    w.write( "<br>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tt><pre>" );
+                    w.write( SurfacingConstants.NL );
+                    if ( histo != null ) {
+                        w.write( histo.toStringBuffer( 20, '|', 40, 5 ).toString() );
+                        w.write( SurfacingConstants.NL );
+                    }
+                    w.write( "</pre></tt>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<table>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tr><td>N: </td><td>" + stats.getN() + "</td></tr>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tr><td>Min: </td><td>" + stats.getMin() + "</td></tr>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tr><td>Max: </td><td>" + stats.getMax() + "</td></tr>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tr><td>Mean: </td><td>" + stats.arithmeticMean() + "</td></tr>" );
+                    w.write( SurfacingConstants.NL );
+                    if ( stats.getN() > 1 ) {
+                        w.write( "<tr><td>SD: </td><td>" + stats.sampleStandardDeviation() + "</td></tr>" );
+                    }
+                    else {
+                        w.write( "<tr><td>SD: </td><td>n/a</td></tr>" );
+                    }
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<tr><td>Median: </td><td>" + stats.median() + "</td></tr>" );
+                    w.write( SurfacingConstants.NL );
+                    if ( stats.getN() > 1 ) {
+                        w.write( "<tr><td>Pearsonian skewness: </td><td>" + stats.pearsonianSkewness() + "</td></tr>" );
+                    }
+                    else {
+                        w.write( "<tr><td>Pearsonian skewness: </td><td>n/a</td></tr>" );
+                    }
+                    w.write( SurfacingConstants.NL );
+                    w.write( "</table>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<br>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<hr>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<br>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "<table>" );
+                    w.write( SurfacingConstants.NL );
+                }
+                break;
+        }
+        for( final Writer w : split_writers.values() ) {
+            w.write( SurfacingConstants.NL );
+        }
+        for( final DomainSimilarity similarity : similarities ) {
+            if ( ( species_order != null ) && !species_order.isEmpty() ) {
+                ( ( PrintableDomainSimilarity ) similarity ).setSpeciesOrder( species_order );
+            }
+            if ( single_writer != null ) {
+                single_writer.write( similarity.toStringBuffer( print_option, tax_code_to_id_map ).toString() );
+            }
+            else {
+                Writer local_writer = split_writers.get( ( similarity.getDomainId().getId().charAt( 0 ) + "" )
+                        .toLowerCase().charAt( 0 ) );
+                if ( local_writer == null ) {
+                    local_writer = split_writers.get( '0' );
+                }
+                local_writer.write( similarity.toStringBuffer( print_option, tax_code_to_id_map ).toString() );
+            }
+            for( final Writer w : split_writers.values() ) {
+                w.write( SurfacingConstants.NL );
+            }
+        }
+        switch ( print_option ) {
+            case HTML:
+                for( final Writer w : split_writers.values() ) {
+                    w.write( SurfacingConstants.NL );
+                    w.write( "</table>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "</font>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "</body>" );
+                    w.write( SurfacingConstants.NL );
+                    w.write( "</html>" );
+                    w.write( SurfacingConstants.NL );
+                }
+                break;
+        }
+        for( final Writer w : split_writers.values() ) {
+            w.close();
+        }
+        return stats;
+    }
+
+    public static void writeMatrixToFile( final CharacterStateMatrix<?> matrix,
+                                          final String filename,
+                                          final Format format ) {
+        final File outfile = new File( filename );
+        checkForOutputFileWriteability( outfile );
+        try {
+            final BufferedWriter out = new BufferedWriter( new FileWriter( outfile ) );
+            matrix.toWriter( out, format );
+            out.flush();
+            out.close();
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote matrix: \"" + filename + "\"" );
+    }
+
+    public static void writeMatrixToFile( final File matrix_outfile, final List<DistanceMatrix> matrices ) {
+        checkForOutputFileWriteability( matrix_outfile );
+        try {
+            final BufferedWriter out = new BufferedWriter( new FileWriter( matrix_outfile ) );
+            for( final DistanceMatrix distance_matrix : matrices ) {
+                out.write( distance_matrix.toStringBuffer( DistanceMatrix.Format.PHYLIP ).toString() );
+                out.write( ForesterUtil.LINE_SEPARATOR );
+                out.flush();
+            }
+            out.close();
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + matrix_outfile + "\"" );
+    }
+
+    public static void writePhylogenyToFile( final Phylogeny phylogeny, final String filename ) {
+        final PhylogenyWriter writer = new PhylogenyWriter();
+        try {
+            writer.toPhyloXML( new File( filename ), phylogeny, 1 );
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "failed to write phylogeny to \"" + filename + "\": "
+                    + e );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote phylogeny to \"" + filename + "\"" );
+    }
+
+    public static void writeTaxonomyLinks( final Writer writer,
+                                           final String species,
+                                           final Map<String, Integer> tax_code_to_id_map ) throws IOException {
+        if ( ( species.length() > 1 ) && ( species.indexOf( '_' ) < 1 ) ) {
+            writer.write( " [" );
+            if ( ( tax_code_to_id_map != null ) && tax_code_to_id_map.containsKey( species ) ) {
+                writer.write( "<a href=\"" + SurfacingConstants.UNIPROT_TAXONOMY_ID_LINK
+                        + tax_code_to_id_map.get( species ) + "\" target=\"taxonomy_window\">uniprot</a>" );
+            }
+            else {
+                writer.write( "<a href=\"" + SurfacingConstants.EOL_LINK + species
+                        + "\" target=\"taxonomy_window\">eol</a>" );
+                writer.write( "|" );
+                writer.write( "<a href=\"" + SurfacingConstants.GOOGLE_SCHOLAR_SEARCH + species
+                        + "\" target=\"taxonomy_window\">scholar</a>" );
+                writer.write( "|" );
+                writer.write( "<a href=\"" + SurfacingConstants.GOOGLE_WEB_SEARCH_LINK + species
+                        + "\" target=\"taxonomy_window\">google</a>" );
+            }
+            writer.write( "]" );
+        }
+    }
+
+    private final static void addToCountMap( final Map<String, Integer> map, final String s ) {
+        if ( map.containsKey( s ) ) {
+            map.put( s, map.get( s ) + 1 );
+        }
+        else {
+            map.put( s, 1 );
+        }
+    }
+
+    private static void calculateIndependentDomainCombinationGains( final Phylogeny local_phylogeny_l,
+                                                                    final String outfilename_for_counts,
+                                                                    final String outfilename_for_dc,
+                                                                    final String outfilename_for_dc_for_go_mapping,
+                                                                    final String outfilename_for_dc_for_go_mapping_unique,
+                                                                    final String outfilename_for_rank_counts,
+                                                                    final String outfilename_for_ancestor_species_counts,
+                                                                    final String outfilename_for_protein_stats,
+                                                                    final Map<String, DescriptiveStatistics> protein_length_stats_by_dc,
+                                                                    final Map<String, DescriptiveStatistics> domain_number_stats_by_dc,
+                                                                    final Map<String, DescriptiveStatistics> domain_length_stats_by_domain ) {
+        try {
+            //
+            //            if ( protein_length_stats_by_dc != null ) {
+            //                for( final Entry<?, DescriptiveStatistics> entry : protein_length_stats_by_dc.entrySet() ) {
+            //                    System.out.print( entry.getKey().toString() );
+            //                    System.out.print( ": " );
+            //                    double[] a = entry.getValue().getDataAsDoubleArray();
+            //                    for( int i = 0; i < a.length; i++ ) {
+            //                        System.out.print( a[ i ] + " " );
+            //                    }
+            //                    System.out.println();
+            //                }
+            //            }
+            //            if ( domain_number_stats_by_dc != null ) {
+            //                for( final Entry<?, DescriptiveStatistics> entry : domain_number_stats_by_dc.entrySet() ) {
+            //                    System.out.print( entry.getKey().toString() );
+            //                    System.out.print( ": " );
+            //                    double[] a = entry.getValue().getDataAsDoubleArray();
+            //                    for( int i = 0; i < a.length; i++ ) {
+            //                        System.out.print( a[ i ] + " " );
+            //                    }
+            //                    System.out.println();
+            //                }
+            //            }
+            //
+            final BufferedWriter out_counts = new BufferedWriter( new FileWriter( outfilename_for_counts ) );
+            final BufferedWriter out_dc = new BufferedWriter( new FileWriter( outfilename_for_dc ) );
+            final BufferedWriter out_dc_for_go_mapping = new BufferedWriter( new FileWriter( outfilename_for_dc_for_go_mapping ) );
+            final BufferedWriter out_dc_for_go_mapping_unique = new BufferedWriter( new FileWriter( outfilename_for_dc_for_go_mapping_unique ) );
+            final SortedMap<String, Integer> dc_gain_counts = new TreeMap<String, Integer>();
+            for( final PhylogenyNodeIterator it = local_phylogeny_l.iteratorPostorder(); it.hasNext(); ) {
+                final PhylogenyNode n = it.next();
+                final Set<String> gained_dc = n.getNodeData().getBinaryCharacters().getGainedCharacters();
+                for( final String dc : gained_dc ) {
+                    if ( dc_gain_counts.containsKey( dc ) ) {
+                        dc_gain_counts.put( dc, dc_gain_counts.get( dc ) + 1 );
+                    }
+                    else {
+                        dc_gain_counts.put( dc, 1 );
+                    }
+                }
+            }
+            final SortedMap<Integer, Integer> histogram = new TreeMap<Integer, Integer>();
+            final SortedMap<Integer, StringBuilder> domain_lists = new TreeMap<Integer, StringBuilder>();
+            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_protein_length_stats = new TreeMap<Integer, DescriptiveStatistics>();
+            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_domain_number_stats = new TreeMap<Integer, DescriptiveStatistics>();
+            final SortedMap<Integer, DescriptiveStatistics> dc_reapp_counts_to_domain_lengths_stats = new TreeMap<Integer, DescriptiveStatistics>();
+            final SortedMap<Integer, PriorityQueue<String>> domain_lists_go = new TreeMap<Integer, PriorityQueue<String>>();
+            final SortedMap<Integer, SortedSet<String>> domain_lists_go_unique = new TreeMap<Integer, SortedSet<String>>();
+            final Set<String> dcs = dc_gain_counts.keySet();
+            final SortedSet<String> more_than_once = new TreeSet<String>();
+            final DescriptiveStatistics gained_once_lengths_stats = new BasicDescriptiveStatistics();
+            final DescriptiveStatistics gained_once_domain_count_stats = new BasicDescriptiveStatistics();
+            final DescriptiveStatistics gained_multiple_times_lengths_stats = new BasicDescriptiveStatistics();
+            final DescriptiveStatistics gained_multiple_times_domain_count_stats = new BasicDescriptiveStatistics();
+            long gained_multiple_times_domain_length_sum = 0;
+            long gained_once_domain_length_sum = 0;
+            long gained_multiple_times_domain_length_count = 0;
+            long gained_once_domain_length_count = 0;
+            for( final String dc : dcs ) {
+                final int count = dc_gain_counts.get( dc );
+                if ( histogram.containsKey( count ) ) {
+                    histogram.put( count, histogram.get( count ) + 1 );
+                    domain_lists.get( count ).append( ", " + dc );
+                    domain_lists_go.get( count ).addAll( splitDomainCombination( dc ) );
+                    domain_lists_go_unique.get( count ).addAll( splitDomainCombination( dc ) );
+                }
+                else {
+                    histogram.put( count, 1 );
+                    domain_lists.put( count, new StringBuilder( dc ) );
+                    final PriorityQueue<String> q = new PriorityQueue<String>();
+                    q.addAll( splitDomainCombination( dc ) );
+                    domain_lists_go.put( count, q );
+                    final SortedSet<String> set = new TreeSet<String>();
+                    set.addAll( splitDomainCombination( dc ) );
+                    domain_lists_go_unique.put( count, set );
+                }
+                if ( protein_length_stats_by_dc != null ) {
+                    if ( !dc_reapp_counts_to_protein_length_stats.containsKey( count ) ) {
+                        dc_reapp_counts_to_protein_length_stats.put( count, new BasicDescriptiveStatistics() );
+                    }
+                    dc_reapp_counts_to_protein_length_stats.get( count ).addValue( protein_length_stats_by_dc.get( dc )
+                            .arithmeticMean() );
+                }
+                if ( domain_number_stats_by_dc != null ) {
+                    if ( !dc_reapp_counts_to_domain_number_stats.containsKey( count ) ) {
+                        dc_reapp_counts_to_domain_number_stats.put( count, new BasicDescriptiveStatistics() );
+                    }
+                    dc_reapp_counts_to_domain_number_stats.get( count ).addValue( domain_number_stats_by_dc.get( dc )
+                            .arithmeticMean() );
+                }
+                if ( domain_length_stats_by_domain != null ) {
+                    if ( !dc_reapp_counts_to_domain_lengths_stats.containsKey( count ) ) {
+                        dc_reapp_counts_to_domain_lengths_stats.put( count, new BasicDescriptiveStatistics() );
+                    }
+                    final String[] ds = dc.split( "=" );
+                    dc_reapp_counts_to_domain_lengths_stats.get( count ).addValue( domain_length_stats_by_domain
+                            .get( ds[ 0 ] ).arithmeticMean() );
+                    dc_reapp_counts_to_domain_lengths_stats.get( count ).addValue( domain_length_stats_by_domain
+                            .get( ds[ 1 ] ).arithmeticMean() );
+                }
+                if ( count > 1 ) {
+                    more_than_once.add( dc );
+                    if ( protein_length_stats_by_dc != null ) {
+                        final DescriptiveStatistics s = protein_length_stats_by_dc.get( dc );
+                        for( final double element : s.getData() ) {
+                            gained_multiple_times_lengths_stats.addValue( element );
+                        }
+                    }
+                    if ( domain_number_stats_by_dc != null ) {
+                        final DescriptiveStatistics s = domain_number_stats_by_dc.get( dc );
+                        for( final double element : s.getData() ) {
+                            gained_multiple_times_domain_count_stats.addValue( element );
+                        }
+                    }
+                    if ( domain_length_stats_by_domain != null ) {
+                        final String[] ds = dc.split( "=" );
+                        final DescriptiveStatistics s0 = domain_length_stats_by_domain.get( ds[ 0 ] );
+                        final DescriptiveStatistics s1 = domain_length_stats_by_domain.get( ds[ 1 ] );
+                        for( final double element : s0.getData() ) {
+                            gained_multiple_times_domain_length_sum += element;
+                            ++gained_multiple_times_domain_length_count;
+                        }
+                        for( final double element : s1.getData() ) {
+                            gained_multiple_times_domain_length_sum += element;
+                            ++gained_multiple_times_domain_length_count;
+                        }
+                    }
+                }
+                else {
+                    if ( protein_length_stats_by_dc != null ) {
+                        final DescriptiveStatistics s = protein_length_stats_by_dc.get( dc );
+                        for( final double element : s.getData() ) {
+                            gained_once_lengths_stats.addValue( element );
+                        }
+                    }
+                    if ( domain_number_stats_by_dc != null ) {
+                        final DescriptiveStatistics s = domain_number_stats_by_dc.get( dc );
+                        for( final double element : s.getData() ) {
+                            gained_once_domain_count_stats.addValue( element );
+                        }
+                    }
+                    if ( domain_length_stats_by_domain != null ) {
+                        final String[] ds = dc.split( "=" );
+                        final DescriptiveStatistics s0 = domain_length_stats_by_domain.get( ds[ 0 ] );
+                        final DescriptiveStatistics s1 = domain_length_stats_by_domain.get( ds[ 1 ] );
+                        for( final double element : s0.getData() ) {
+                            gained_once_domain_length_sum += element;
+                            ++gained_once_domain_length_count;
+                        }
+                        for( final double element : s1.getData() ) {
+                            gained_once_domain_length_sum += element;
+                            ++gained_once_domain_length_count;
+                        }
+                    }
+                }
+            }
+            final Set<Integer> histogram_keys = histogram.keySet();
+            for( final Integer histogram_key : histogram_keys ) {
+                final int count = histogram.get( histogram_key );
+                final StringBuilder dc = domain_lists.get( histogram_key );
+                out_counts.write( histogram_key + "\t" + count + ForesterUtil.LINE_SEPARATOR );
+                out_dc.write( histogram_key + "\t" + dc + ForesterUtil.LINE_SEPARATOR );
+                out_dc_for_go_mapping.write( "#" + histogram_key + ForesterUtil.LINE_SEPARATOR );
+                final Object[] sorted = domain_lists_go.get( histogram_key ).toArray();
+                Arrays.sort( sorted );
+                for( final Object domain : sorted ) {
+                    out_dc_for_go_mapping.write( domain + ForesterUtil.LINE_SEPARATOR );
+                }
+                out_dc_for_go_mapping_unique.write( "#" + histogram_key + ForesterUtil.LINE_SEPARATOR );
+                for( final String domain : domain_lists_go_unique.get( histogram_key ) ) {
+                    out_dc_for_go_mapping_unique.write( domain + ForesterUtil.LINE_SEPARATOR );
+                }
+            }
+            out_counts.close();
+            out_dc.close();
+            out_dc_for_go_mapping.close();
+            out_dc_for_go_mapping_unique.close();
+            final SortedMap<String, Integer> lca_rank_counts = new TreeMap<String, Integer>();
+            final SortedMap<String, Integer> lca_ancestor_species_counts = new TreeMap<String, Integer>();
+            for( final String dc : more_than_once ) {
+                final List<PhylogenyNode> nodes = new ArrayList<PhylogenyNode>();
+                for( final PhylogenyNodeIterator it = local_phylogeny_l.iteratorExternalForward(); it.hasNext(); ) {
+                    final PhylogenyNode n = it.next();
+                    if ( n.getNodeData().getBinaryCharacters().getGainedCharacters().contains( dc ) ) {
+                        nodes.add( n );
+                    }
+                }
+                for( int i = 0; i < ( nodes.size() - 1 ); ++i ) {
+                    for( int j = i + 1; j < nodes.size(); ++j ) {
+                        final PhylogenyNode lca = PhylogenyMethods.calculateLCA( nodes.get( i ), nodes.get( j ) );
+                        String rank = "unknown";
+                        if ( lca.getNodeData().isHasTaxonomy()
+                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getRank() ) ) {
+                            rank = lca.getNodeData().getTaxonomy().getRank();
+                        }
+                        addToCountMap( lca_rank_counts, rank );
+                        String lca_species;
+                        if ( lca.getNodeData().isHasTaxonomy()
+                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getScientificName() ) ) {
+                            lca_species = lca.getNodeData().getTaxonomy().getScientificName();
+                        }
+                        else if ( lca.getNodeData().isHasTaxonomy()
+                                && !ForesterUtil.isEmpty( lca.getNodeData().getTaxonomy().getCommonName() ) ) {
+                            lca_species = lca.getNodeData().getTaxonomy().getCommonName();
+                        }
+                        else {
+                            lca_species = lca.getName();
+                        }
+                        addToCountMap( lca_ancestor_species_counts, lca_species );
+                    }
+                }
+            }
+            final BufferedWriter out_for_rank_counts = new BufferedWriter( new FileWriter( outfilename_for_rank_counts ) );
+            final BufferedWriter out_for_ancestor_species_counts = new BufferedWriter( new FileWriter( outfilename_for_ancestor_species_counts ) );
+            ForesterUtil.map2writer( out_for_rank_counts, lca_rank_counts, "\t", ForesterUtil.LINE_SEPARATOR );
+            ForesterUtil.map2writer( out_for_ancestor_species_counts,
+                                     lca_ancestor_species_counts,
+                                     "\t",
+                                     ForesterUtil.LINE_SEPARATOR );
+            out_for_rank_counts.close();
+            out_for_ancestor_species_counts.close();
+            if ( !ForesterUtil.isEmpty( outfilename_for_protein_stats )
+                    && ( ( domain_length_stats_by_domain != null ) || ( protein_length_stats_by_dc != null ) || ( domain_number_stats_by_dc != null ) ) ) {
+                final BufferedWriter w = new BufferedWriter( new FileWriter( outfilename_for_protein_stats ) );
+                w.write( "Domain Lengths: " );
+                w.write( "\n" );
+                if ( domain_length_stats_by_domain != null ) {
+                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_domain_lengths_stats
+                            .entrySet() ) {
+                        w.write( entry.getKey().toString() );
+                        w.write( "\t" + entry.getValue().arithmeticMean() );
+                        w.write( "\t" + entry.getValue().median() );
+                        w.write( "\n" );
+                    }
+                }
+                w.flush();
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Protein Lengths: " );
+                w.write( "\n" );
+                if ( protein_length_stats_by_dc != null ) {
+                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_protein_length_stats
+                            .entrySet() ) {
+                        w.write( entry.getKey().toString() );
+                        w.write( "\t" + entry.getValue().arithmeticMean() );
+                        w.write( "\t" + entry.getValue().median() );
+                        w.write( "\n" );
+                    }
+                }
+                w.flush();
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Number of domains: " );
+                w.write( "\n" );
+                if ( domain_number_stats_by_dc != null ) {
+                    for( final Entry<Integer, DescriptiveStatistics> entry : dc_reapp_counts_to_domain_number_stats
+                            .entrySet() ) {
+                        w.write( entry.getKey().toString() );
+                        w.write( "\t" + entry.getValue().arithmeticMean() );
+                        w.write( "\t" + entry.getValue().median() );
+                        w.write( "\n" );
+                    }
+                }
+                w.flush();
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained once, domain lengths:" );
+                w.write( "\n" );
+                w.write( "N: " + gained_once_domain_length_count );
+                w.write( "\n" );
+                w.write( "Avg: " + ( ( double ) gained_once_domain_length_sum / gained_once_domain_length_count ) );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained multiple times, domain lengths:" );
+                w.write( "\n" );
+                w.write( "N: " + gained_multiple_times_domain_length_count );
+                w.write( "\n" );
+                w.write( "Avg: "
+                        + ( ( double ) gained_multiple_times_domain_length_sum / gained_multiple_times_domain_length_count ) );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained once, protein lengths:" );
+                w.write( "\n" );
+                w.write( gained_once_lengths_stats.toString() );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained once, domain counts:" );
+                w.write( "\n" );
+                w.write( gained_once_domain_count_stats.toString() );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained multiple times, protein lengths:" );
+                w.write( "\n" );
+                w.write( gained_multiple_times_lengths_stats.toString() );
+                w.write( "\n" );
+                w.write( "\n" );
+                w.write( "Gained multiple times, domain counts:" );
+                w.write( "\n" );
+                w.write( gained_multiple_times_domain_count_stats.toString() );
+                w.flush();
+                w.close();
+            }
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "Failure to write: " + e );
+        }
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote independent domain combination gains fitch counts to ["
+                + outfilename_for_counts + "]" );
+        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote independent domain combination gains fitch lists to ["
+                + outfilename_for_dc + "]" );
+        ForesterUtil.programMessage( surfacing.PRG_NAME,
+                                     "Wrote independent domain combination gains fitch lists to (for GO mapping) ["
+                                             + outfilename_for_dc_for_go_mapping + "]" );
+        ForesterUtil.programMessage( surfacing.PRG_NAME,
+                                     "Wrote independent domain combination gains fitch lists to (for GO mapping, unique) ["
+                                             + outfilename_for_dc_for_go_mapping_unique + "]" );
+    }
+
+    private static SortedSet<String> collectAllDomainsChangedOnSubtree( final PhylogenyNode subtree_root,
+                                                                        final boolean get_gains ) {
+        final SortedSet<String> domains = new TreeSet<String>();
+        for( final PhylogenyNode descendant : PhylogenyMethods.getAllDescendants( subtree_root ) ) {
+            final BinaryCharacters chars = descendant.getNodeData().getBinaryCharacters();
+            if ( get_gains ) {
+                domains.addAll( chars.getGainedCharacters() );
+            }
+            else {
+                domains.addAll( chars.getLostCharacters() );
+            }
+        }
+        return domains;
+    }
+
+    private static File createBaseDirForPerNodeDomainFiles( final String base_dir,
+                                                            final boolean domain_combinations,
+                                                            final CharacterStateMatrix.GainLossStates state,
+                                                            final String outfile ) {
+        File per_node_go_mapped_domain_gain_loss_files_base_dir = new File( new File( outfile ).getParent()
+                + ForesterUtil.FILE_SEPARATOR + base_dir );
+        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
+        }
+        if ( domain_combinations ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
+                    + ForesterUtil.FILE_SEPARATOR + "DC" );
+        }
+        else {
+            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
+                    + ForesterUtil.FILE_SEPARATOR + "DOMAINS" );
+        }
+        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
+        }
+        if ( state == GainLossStates.GAIN ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
+                    + ForesterUtil.FILE_SEPARATOR + "GAINS" );
+        }
+        else if ( state == GainLossStates.LOSS ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
+                    + ForesterUtil.FILE_SEPARATOR + "LOSSES" );
+        }
+        else {
+            per_node_go_mapped_domain_gain_loss_files_base_dir = new File( per_node_go_mapped_domain_gain_loss_files_base_dir
+                    + ForesterUtil.FILE_SEPARATOR + "PRESENT" );
+        }
+        if ( !per_node_go_mapped_domain_gain_loss_files_base_dir.exists() ) {
+            per_node_go_mapped_domain_gain_loss_files_base_dir.mkdir();
+        }
+        return per_node_go_mapped_domain_gain_loss_files_base_dir;
+    }
+
+    private static SortedSet<BinaryDomainCombination> createSetOfAllBinaryDomainCombinationsPerGenome( final GenomeWideCombinableDomains gwcd ) {
+        final SortedMap<DomainId, CombinableDomains> cds = gwcd.getAllCombinableDomainsIds();
+        final SortedSet<BinaryDomainCombination> binary_combinations = new TreeSet<BinaryDomainCombination>();
+        for( final DomainId domain_id : cds.keySet() ) {
+            final CombinableDomains cd = cds.get( domain_id );
+            binary_combinations.addAll( cd.toBinaryDomainCombinations() );
+        }
+        return binary_combinations;
+    }
+
+    private static List<String> splitDomainCombination( final String dc ) {
+        final String[] s = dc.split( "=" );
+        if ( s.length != 2 ) {
+            ForesterUtil.printErrorMessage( surfacing.PRG_NAME, "Stringyfied domain combination has illegal format: "
+                    + dc );
+            System.exit( -1 );
+        }
+        final List<String> l = new ArrayList<String>( 2 );
+        l.add( s[ 0 ] );
+        l.add( s[ 1 ] );
+        return l;
+    }
+
+    private static void writeAllEncounteredPfamsToFile( final Map<DomainId, List<GoId>> domain_id_to_go_ids_map,
+                                                        final Map<GoId, GoTerm> go_id_to_term_map,
+                                                        final String outfile_name,
+                                                        final SortedSet<String> all_pfams_encountered ) {
+        final File all_pfams_encountered_file = new File( outfile_name + surfacing.ALL_PFAMS_ENCOUNTERED_SUFFIX );
+        final File all_pfams_encountered_with_go_annotation_file = new File( outfile_name
+                + surfacing.ALL_PFAMS_ENCOUNTERED_WITH_GO_ANNOTATION_SUFFIX );
+        final File encountered_pfams_summary_file = new File( outfile_name + surfacing.ENCOUNTERED_PFAMS_SUMMARY_SUFFIX );
+        int biological_process_counter = 0;
+        int cellular_component_counter = 0;
+        int molecular_function_counter = 0;
+        int pfams_with_mappings_counter = 0;
+        int pfams_without_mappings_counter = 0;
+        int pfams_without_mappings_to_bp_or_mf_counter = 0;
+        int pfams_with_mappings_to_bp_or_mf_counter = 0;
+        try {
+            final Writer all_pfams_encountered_writer = new BufferedWriter( new FileWriter( all_pfams_encountered_file ) );
+            final Writer all_pfams_encountered_with_go_annotation_writer = new BufferedWriter( new FileWriter( all_pfams_encountered_with_go_annotation_file ) );
+            final Writer summary_writer = new BufferedWriter( new FileWriter( encountered_pfams_summary_file ) );
+            summary_writer.write( "# Pfam to GO mapping summary" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Actual summary is at the end of this file." );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Encountered Pfams without a GO mapping:" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            for( final String pfam : all_pfams_encountered ) {
+                all_pfams_encountered_writer.write( pfam );
+                all_pfams_encountered_writer.write( ForesterUtil.LINE_SEPARATOR );
+                final DomainId domain_id = new DomainId( pfam );
+                if ( domain_id_to_go_ids_map.containsKey( domain_id ) ) {
+                    ++pfams_with_mappings_counter;
+                    all_pfams_encountered_with_go_annotation_writer.write( pfam );
+                    all_pfams_encountered_with_go_annotation_writer.write( ForesterUtil.LINE_SEPARATOR );
+                    final List<GoId> go_ids = domain_id_to_go_ids_map.get( domain_id );
+                    boolean maps_to_bp = false;
+                    boolean maps_to_cc = false;
+                    boolean maps_to_mf = false;
+                    for( final GoId go_id : go_ids ) {
+                        final GoTerm go_term = go_id_to_term_map.get( go_id );
+                        if ( go_term.getGoNameSpace().isBiologicalProcess() ) {
+                            maps_to_bp = true;
+                        }
+                        else if ( go_term.getGoNameSpace().isCellularComponent() ) {
+                            maps_to_cc = true;
+                        }
+                        else if ( go_term.getGoNameSpace().isMolecularFunction() ) {
+                            maps_to_mf = true;
+                        }
+                    }
+                    if ( maps_to_bp ) {
+                        ++biological_process_counter;
+                    }
+                    if ( maps_to_cc ) {
+                        ++cellular_component_counter;
+                    }
+                    if ( maps_to_mf ) {
+                        ++molecular_function_counter;
+                    }
+                    if ( maps_to_bp || maps_to_mf ) {
+                        ++pfams_with_mappings_to_bp_or_mf_counter;
+                    }
+                    else {
+                        ++pfams_without_mappings_to_bp_or_mf_counter;
+                    }
+                }
+                else {
+                    ++pfams_without_mappings_to_bp_or_mf_counter;
+                    ++pfams_without_mappings_counter;
+                    summary_writer.write( pfam );
+                    summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+                }
+            }
+            all_pfams_encountered_writer.close();
+            all_pfams_encountered_with_go_annotation_writer.close();
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote all [" + all_pfams_encountered.size()
+                    + "] encountered Pfams to: \"" + all_pfams_encountered_file + "\"" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote all [" + pfams_with_mappings_counter
+                    + "] encountered Pfams with GO mappings to: \"" + all_pfams_encountered_with_go_annotation_file
+                    + "\"" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote summary (including all ["
+                    + pfams_without_mappings_counter + "] encountered Pfams without GO mappings) to: \""
+                    + encountered_pfams_summary_file + "\"" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Sum of Pfams encountered                : "
+                    + all_pfams_encountered.size() );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams without a mapping                 : "
+                    + pfams_without_mappings_counter + " ["
+                    + ( ( 100 * pfams_without_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams without mapping to proc. or func. : "
+                    + pfams_without_mappings_to_bp_or_mf_counter + " ["
+                    + ( ( 100 * pfams_without_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with a mapping                    : "
+                    + pfams_with_mappings_counter + " ["
+                    + ( ( 100 * pfams_with_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with a mapping to proc. or func.  : "
+                    + pfams_with_mappings_to_bp_or_mf_counter + " ["
+                    + ( ( 100 * pfams_with_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to biological process: "
+                    + biological_process_counter + " ["
+                    + ( ( 100 * biological_process_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to molecular function: "
+                    + molecular_function_counter + " ["
+                    + ( ( 100 * molecular_function_counter ) / all_pfams_encountered.size() ) + "%]" );
+            ForesterUtil.programMessage( surfacing.PRG_NAME, "Pfams with mapping to cellular component: "
+                    + cellular_component_counter + " ["
+                    + ( ( 100 * cellular_component_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Sum of Pfams encountered                : " + all_pfams_encountered.size() );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams without a mapping                 : " + pfams_without_mappings_counter
+                    + " [" + ( ( 100 * pfams_without_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams without mapping to proc. or func. : "
+                    + pfams_without_mappings_to_bp_or_mf_counter + " ["
+                    + ( ( 100 * pfams_without_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams with a mapping                    : " + pfams_with_mappings_counter + " ["
+                    + ( ( 100 * pfams_with_mappings_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams with a mapping to proc. or func.  : "
+                    + pfams_with_mappings_to_bp_or_mf_counter + " ["
+                    + ( ( 100 * pfams_with_mappings_to_bp_or_mf_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams with mapping to biological process: " + biological_process_counter + " ["
+                    + ( ( 100 * biological_process_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams with mapping to molecular function: " + molecular_function_counter + " ["
+                    + ( ( 100 * molecular_function_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.write( "# Pfams with mapping to cellular component: " + cellular_component_counter + " ["
+                    + ( ( 100 * cellular_component_counter ) / all_pfams_encountered.size() ) + "%]" );
+            summary_writer.write( ForesterUtil.LINE_SEPARATOR );
+            summary_writer.close();
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "Failure to write: " + e );
         }
     }
 
@@ -2150,332 +2584,70 @@ public final class SurfacingUtil {
                     else {
                         out.write( "<td></td>" );
                     }
-                    if ( !go_id_to_term_map.containsKey( go_id ) ) {
-                        throw new IllegalArgumentException( "GO-id [" + go_id + "] not found in GO-id to GO-term map" );
-                    }
-                    final GoTerm go_term = go_id_to_term_map.get( go_id );
-                    if ( ( go_namespace_limit == null ) || go_namespace_limit.equals( go_term.getGoNameSpace() ) ) {
-                        // final String top = GoUtils.getPenultimateGoTerm( go_term, go_id_to_term_map ).getName();
-                        final String go_id_str = go_id.getId();
-                        out.write( "<td>" );
-                        out.write( "<a href=\"" + SurfacingConstants.AMIGO_LINK + go_id_str
-                                + "\" target=\"amigo_window\">" + go_id_str + "</a>" );
-                        out.write( "</td><td>" );
-                        out.write( go_term.getName() );
-                        if ( domain_count == 2 ) {
-                            out.write( " (" + d + ")" );
-                        }
-                        out.write( "</td><td>" );
-                        // out.write( top );
-                        // out.write( "</td><td>" );
-                        out.write( "[" );
-                        out.write( go_term.getGoNameSpace().toShortString() );
-                        out.write( "]" );
-                        out.write( "</td>" );
-                        if ( all_go_ids != null ) {
-                            all_go_ids.add( go_id );
-                        }
-                    }
-                    else {
-                        out.write( "<td>" );
-                        out.write( "</td><td>" );
-                        out.write( "</td><td>" );
-                        out.write( "</td><td>" );
-                        out.write( "</td>" );
-                    }
-                    out.write( "</tr>" );
-                    out.write( SurfacingConstants.NL );
-                }
-            }
-        } //  for( int d = 0; d < domain_count; ++d ) 
-        if ( !any_go_annotation_present ) {
-            out.write( "<tr>" );
-            writeDomainIdsToHtml( out, domain_0, domain_1, prefix_for_html, domain_id_to_secondary_features_maps );
-            out.write( "<td>" );
-            out.write( "</td><td>" );
-            out.write( "</td><td>" );
-            out.write( "</td><td>" );
-            out.write( "</td>" );
-            out.write( "</tr>" );
-            out.write( SurfacingConstants.NL );
-        }
-    }
-
-    private static void writeDomainIdsToHtml( final Writer out,
-                                              final String domain_0,
-                                              final String domain_1,
-                                              final String prefix_for_detailed_html,
-                                              final Map<DomainId, Set<String>>[] domain_id_to_secondary_features_maps )
-            throws IOException {
-        out.write( "<td>" );
-        if ( !ForesterUtil.isEmpty( prefix_for_detailed_html ) ) {
-            out.write( prefix_for_detailed_html );
-            out.write( " " );
-        }
-        out.write( "<a href=\"" + SurfacingConstants.PFAM_FAMILY_ID_LINK + domain_0 + "\">" + domain_0 + "</a>" );
-        out.write( "</td>" );
-    }
-
-    public static DescriptiveStatistics writeDomainSimilaritiesToFile( final StringBuilder html_desc,
-                                                                       final StringBuilder html_title,
-                                                                       final Writer single_writer,
-                                                                       Map<Character, Writer> split_writers,
-                                                                       final SortedSet<DomainSimilarity> similarities,
-                                                                       final boolean treat_as_binary,
-                                                                       final List<Species> species_order,
-                                                                       final PrintableDomainSimilarity.PRINT_OPTION print_option,
-                                                                       final DomainSimilarity.DomainSimilaritySortField sort_field,
-                                                                       final DomainSimilarity.DomainSimilarityScoring scoring,
-                                                                       final boolean verbose ) throws IOException {
-        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
-        String histogram_title = null;
-        switch ( sort_field ) {
-            case ABS_MAX_COUNTS_DIFFERENCE:
-                if ( treat_as_binary ) {
-                    histogram_title = "absolute counts difference:";
-                }
-                else {
-                    histogram_title = "absolute (maximal) counts difference:";
-                }
-                break;
-            case MAX_COUNTS_DIFFERENCE:
-                if ( treat_as_binary ) {
-                    histogram_title = "counts difference:";
-                }
-                else {
-                    histogram_title = "(maximal) counts difference:";
-                }
-                break;
-            case DOMAIN_ID:
-                histogram_title = "score mean:";
-                break;
-            case MIN:
-                histogram_title = "score minimum:";
-                break;
-            case MAX:
-                histogram_title = "score maximum:";
-                break;
-            case MAX_DIFFERENCE:
-                if ( treat_as_binary ) {
-                    histogram_title = "difference:";
-                }
-                else {
-                    histogram_title = "(maximal) difference:";
-                }
-                break;
-            case MEAN:
-                histogram_title = "score mean:";
-                break;
-            case SD:
-                histogram_title = "score standard deviation:";
-                break;
-            case SPECIES_COUNT:
-                histogram_title = "species number:";
-                break;
-            default:
-                throw new AssertionError( "Unknown sort field: " + sort_field );
-        }
-        for( final DomainSimilarity similarity : similarities ) {
-            switch ( sort_field ) {
-                case ABS_MAX_COUNTS_DIFFERENCE:
-                    stats.addValue( Math.abs( similarity.getMaximalDifferenceInCounts() ) );
-                    break;
-                case MAX_COUNTS_DIFFERENCE:
-                    stats.addValue( similarity.getMaximalDifferenceInCounts() );
-                    break;
-                case DOMAIN_ID:
-                    stats.addValue( similarity.getMeanSimilarityScore() );
-                    break;
-                case MIN:
-                    stats.addValue( similarity.getMinimalSimilarityScore() );
-                    break;
-                case MAX:
-                    stats.addValue( similarity.getMaximalSimilarityScore() );
-                    break;
-                case MAX_DIFFERENCE:
-                    stats.addValue( similarity.getMaximalDifference() );
-                    break;
-                case MEAN:
-                    stats.addValue( similarity.getMeanSimilarityScore() );
-                    break;
-                case SD:
-                    stats.addValue( similarity.getStandardDeviationOfSimilarityScore() );
-                    break;
-                case SPECIES_COUNT:
-                    stats.addValue( similarity.getSpecies().size() );
-                    break;
-                default:
-                    throw new AssertionError( "Unknown sort field: " + sort_field );
-            }
-        }
-        //
-        // final HistogramData[] hists = new HistogramData[ 1 ];
-        //      
-        //        
-        // List<HistogramDataItem> data_items = new
-        // ArrayList<HistogramDataItem>();
-        // double[] values = stats.getDataAsDoubleArray();
-        // for( int i = 0; i < values.length; i++ ) {
-        // HistogramDataItem data_item = new BasicHistogramDataItem( "", values[
-        // i ] );
-        // data_items.add( data_item );
-        // }
-        //        
-        //        
-        // HistogramData hd0 = new HistogramData( "name",
-        // data_items,
-        // null, 20,
-        // 40 );
-        //        
-        //        
-        //        
-        //        
-        // hists[ 0 ] = hd0;
-        //       
-        // final HistogramsFrame hf = new HistogramsFrame( hists );
-        // hf.setVisible( true );
-        //
-        AsciiHistogram histo = null;
-        if ( stats.getMin() < stats.getMin() ) {
-            histo = new AsciiHistogram( stats, histogram_title );
-        }
-        if ( verbose ) {
-            if ( histo != null ) {
-                System.out.println( histo.toStringBuffer( 20, '|', 40, 5 ) );
-            }
-            System.out.println();
-            System.out.println( "N                   : " + stats.getN() );
-            System.out.println( "Min                 : " + stats.getMin() );
-            System.out.println( "Max                 : " + stats.getMax() );
-            System.out.println( "Mean                : " + stats.arithmeticMean() );
-            if ( stats.getN() > 1 ) {
-                System.out.println( "SD                  : " + stats.sampleStandardDeviation() );
-            }
-            else {
-                System.out.println( "SD                  : n/a" );
-            }
-            System.out.println( "Median              : " + stats.median() );
-            if ( stats.getN() > 1 ) {
-                System.out.println( "Pearsonian skewness : " + stats.pearsonianSkewness() );
-            }
-            else {
-                System.out.println( "Pearsonian skewness : n/a" );
-            }
-        }
-        if ( ( single_writer != null ) && ( ( split_writers == null ) || split_writers.isEmpty() ) ) {
-            split_writers = new HashMap<Character, Writer>();
-            split_writers.put( '_', single_writer );
-        }
-        switch ( print_option ) {
-            case SIMPLE_TAB_DELIMITED:
-                break;
-            case HTML:
-                for( final Character key : split_writers.keySet() ) {
-                    final Writer w = split_writers.get( key );
-                    w.write( "<html>" );
-                    w.write( SurfacingConstants.NL );
-                    if ( key != '_' ) {
-                        addHtmlHead( w, "DCs (" + html_title + ") " + key.toString().toUpperCase() );
-                    }
-                    else {
-                        addHtmlHead( w, "DCs (" + html_title + ")" );
-                    }
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<body>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( html_desc.toString() );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<hr>" );
-                    w.write( "<br>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tt><pre>" );
-                    w.write( SurfacingConstants.NL );
-                    if ( histo != null ) {
-                        w.write( histo.toStringBuffer( 20, '|', 40, 5 ).toString() );
-                        w.write( SurfacingConstants.NL );
-                    }
-                    w.write( "</pre></tt>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<table>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tr><td>N: </td><td>" + stats.getN() + "</td></tr>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tr><td>Min: </td><td>" + stats.getMin() + "</td></tr>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tr><td>Max: </td><td>" + stats.getMax() + "</td></tr>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tr><td>Mean: </td><td>" + stats.arithmeticMean() + "</td></tr>" );
-                    w.write( SurfacingConstants.NL );
-                    if ( stats.getN() > 1 ) {
-                        w.write( "<tr><td>SD: </td><td>" + stats.sampleStandardDeviation() + "</td></tr>" );
-                    }
-                    else {
-                        w.write( "<tr><td>SD: </td><td>n/a</td></tr>" );
+                    if ( !go_id_to_term_map.containsKey( go_id ) ) {
+                        throw new IllegalArgumentException( "GO-id [" + go_id + "] not found in GO-id to GO-term map" );
                     }
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<tr><td>Median: </td><td>" + stats.median() + "</td></tr>" );
-                    w.write( SurfacingConstants.NL );
-                    if ( stats.getN() > 1 ) {
-                        w.write( "<tr><td>Pearsonian skewness: </td><td>" + stats.pearsonianSkewness() + "</td></tr>" );
+                    final GoTerm go_term = go_id_to_term_map.get( go_id );
+                    if ( ( go_namespace_limit == null ) || go_namespace_limit.equals( go_term.getGoNameSpace() ) ) {
+                        // final String top = GoUtils.getPenultimateGoTerm( go_term, go_id_to_term_map ).getName();
+                        final String go_id_str = go_id.getId();
+                        out.write( "<td>" );
+                        out.write( "<a href=\"" + SurfacingConstants.AMIGO_LINK + go_id_str
+                                + "\" target=\"amigo_window\">" + go_id_str + "</a>" );
+                        out.write( "</td><td>" );
+                        out.write( go_term.getName() );
+                        if ( domain_count == 2 ) {
+                            out.write( " (" + d + ")" );
+                        }
+                        out.write( "</td><td>" );
+                        // out.write( top );
+                        // out.write( "</td><td>" );
+                        out.write( "[" );
+                        out.write( go_term.getGoNameSpace().toShortString() );
+                        out.write( "]" );
+                        out.write( "</td>" );
+                        if ( all_go_ids != null ) {
+                            all_go_ids.add( go_id );
+                        }
                     }
                     else {
-                        w.write( "<tr><td>Pearsonian skewness: </td><td>n/a</td></tr>" );
+                        out.write( "<td>" );
+                        out.write( "</td><td>" );
+                        out.write( "</td><td>" );
+                        out.write( "</td><td>" );
+                        out.write( "</td>" );
                     }
-                    w.write( SurfacingConstants.NL );
-                    w.write( "</table>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<br>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<hr>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<br>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "<table>" );
-                    w.write( SurfacingConstants.NL );
-                }
-                break;
-        }
-        for( final Writer w : split_writers.values() ) {
-            w.write( SurfacingConstants.NL );
-        }
-        for( final DomainSimilarity similarity : similarities ) {
-            if ( ( species_order != null ) && !species_order.isEmpty() ) {
-                ( ( PrintableDomainSimilarity ) similarity ).setSpeciesOrder( species_order );
-            }
-            if ( single_writer != null ) {
-                single_writer.write( similarity.toStringBuffer( print_option ).toString() );
-            }
-            else {
-                Writer local_writer = split_writers.get( ( similarity.getDomainId().getId().charAt( 0 ) + "" )
-                        .toLowerCase().charAt( 0 ) );
-                if ( local_writer == null ) {
-                    local_writer = split_writers.get( '0' );
+                    out.write( "</tr>" );
+                    out.write( SurfacingConstants.NL );
                 }
-                local_writer.write( similarity.toStringBuffer( print_option ).toString() );
-            }
-            for( final Writer w : split_writers.values() ) {
-                w.write( SurfacingConstants.NL );
             }
+        } //  for( int d = 0; d < domain_count; ++d ) 
+        if ( !any_go_annotation_present ) {
+            out.write( "<tr>" );
+            writeDomainIdsToHtml( out, domain_0, domain_1, prefix_for_html, domain_id_to_secondary_features_maps );
+            out.write( "<td>" );
+            out.write( "</td><td>" );
+            out.write( "</td><td>" );
+            out.write( "</td><td>" );
+            out.write( "</td>" );
+            out.write( "</tr>" );
+            out.write( SurfacingConstants.NL );
         }
-        switch ( print_option ) {
-            case HTML:
-                for( final Writer w : split_writers.values() ) {
-                    w.write( SurfacingConstants.NL );
-                    w.write( "</table>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "</font>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "</body>" );
-                    w.write( SurfacingConstants.NL );
-                    w.write( "</html>" );
-                    w.write( SurfacingConstants.NL );
-                }
-                break;
-        }
-        for( final Writer w : split_writers.values() ) {
-            w.close();
+    }
+
+    private static void writeDomainIdsToHtml( final Writer out,
+                                              final String domain_0,
+                                              final String domain_1,
+                                              final String prefix_for_detailed_html,
+                                              final Map<DomainId, Set<String>>[] domain_id_to_secondary_features_maps )
+            throws IOException {
+        out.write( "<td>" );
+        if ( !ForesterUtil.isEmpty( prefix_for_detailed_html ) ) {
+            out.write( prefix_for_detailed_html );
+            out.write( " " );
         }
-        return stats;
+        out.write( "<a href=\"" + SurfacingConstants.PFAM_FAMILY_ID_LINK + domain_0 + "\">" + domain_0 + "</a>" );
+        out.write( "</td>" );
     }
 
     private static void writeDomainsToIndividualFilePerTreeNode( final Writer individual_files_writer,
@@ -2489,40 +2661,6 @@ public final class SurfacingUtil {
         }
     }
 
-    public static void writeMatrixToFile( final CharacterStateMatrix<?> matrix,
-                                          final String filename,
-                                          final Format format ) {
-        final File outfile = new File( filename );
-        checkForOutputFileWriteability( outfile );
-        try {
-            final BufferedWriter out = new BufferedWriter( new FileWriter( outfile ) );
-            matrix.toWriter( out, format );
-            out.flush();
-            out.close();
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote matrix: \"" + filename + "\"" );
-    }
-
-    public static void writeMatrixToFile( final File matrix_outfile, final List<DistanceMatrix> matrices ) {
-        checkForOutputFileWriteability( matrix_outfile );
-        try {
-            final BufferedWriter out = new BufferedWriter( new FileWriter( matrix_outfile ) );
-            for( final DistanceMatrix distance_matrix : matrices ) {
-                out.write( distance_matrix.toStringBuffer( DistanceMatrix.Format.PHYLIP ).toString() );
-                out.write( ForesterUtil.LINE_SEPARATOR );
-                out.flush();
-            }
-            out.close();
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote distance matrices to \"" + matrix_outfile + "\"" );
-    }
-
     private static void writePfamsToFile( final String outfile_name, final SortedSet<String> pfams ) {
         try {
             final Writer writer = new BufferedWriter( new FileWriter( new File( outfile_name ) ) );
@@ -2539,37 +2677,6 @@ public final class SurfacingUtil {
         }
     }
 
-    public static void writePhylogenyToFile( final Phylogeny phylogeny, final String filename ) {
-        final PhylogenyWriter writer = new PhylogenyWriter();
-        try {
-            writer.toPhyloXML( new File( filename ), phylogeny, 1 );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "failed to write phylogeny to \"" + filename + "\": "
-                    + e );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote phylogeny to \"" + filename + "\"" );
-    }
-
-    public static void writeTaxonomyLinks( final Writer writer, final String species ) throws IOException {
-        if ( ( species.length() > 1 ) && ( species.indexOf( '_' ) < 1 ) ) {
-            final Matcher matcher = PATTERN_SP_STYLE_TAXONOMY.matcher( species );
-            writer.write( " [" );
-            if ( matcher.matches() ) {
-                writer.write( "<a href=\"" + SurfacingConstants.UNIPROT_LINK + species
-                        + "\" target=\"taxonomy_window\">uniprot</a>" );
-            }
-            else {
-                writer.write( "<a href=\"" + SurfacingConstants.EOL_LINK + species
-                        + "\" target=\"taxonomy_window\">eol</a>" );
-                writer.write( "|" );
-                writer.write( "<a href=\"" + SurfacingConstants.TOL_LINK + species
-                        + "\" target=\"taxonomy_window\">tol</a>" );
-            }
-            writer.write( "]" );
-        }
-    }
-
     private static void writeToNexus( final String outfile_name,
                                       final CharacterStateMatrix<BinaryStates> matrix,
                                       final Phylogeny phylogeny ) {
@@ -2607,91 +2714,6 @@ public final class SurfacingUtil {
                       phylogeny );
     }
 
-    public static void domainsPerProteinsStatistics( final String genome,
-                                                     final List<Protein> protein_list,
-                                                     final DescriptiveStatistics all_genomes_domains_per_potein_stats,
-                                                     final SortedMap<Integer, Integer> all_genomes_domains_per_potein_histo,
-                                                     final SortedSet<String> domains_which_are_always_single,
-                                                     final SortedSet<String> domains_which_are_sometimes_single_sometimes_not,
-                                                     final SortedSet<String> domains_which_never_single,
-                                                     final Writer writer ) {
-        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
-        for( final Protein protein : protein_list ) {
-            final int domains = protein.getNumberOfProteinDomains();
-            //System.out.println( domains );
-            stats.addValue( domains );
-            all_genomes_domains_per_potein_stats.addValue( domains );
-            if ( !all_genomes_domains_per_potein_histo.containsKey( domains ) ) {
-                all_genomes_domains_per_potein_histo.put( domains, 1 );
-            }
-            else {
-                all_genomes_domains_per_potein_histo.put( domains,
-                                                          1 + all_genomes_domains_per_potein_histo.get( domains ) );
-            }
-            if ( domains == 1 ) {
-                final String domain = protein.getProteinDomain( 0 ).getDomainId().getId();
-                if ( !domains_which_are_sometimes_single_sometimes_not.contains( domain ) ) {
-                    if ( domains_which_never_single.contains( domain ) ) {
-                        domains_which_never_single.remove( domain );
-                        domains_which_are_sometimes_single_sometimes_not.add( domain );
-                    }
-                    else {
-                        domains_which_are_always_single.add( domain );
-                    }
-                }
-            }
-            else if ( domains > 1 ) {
-                for( final Domain d : protein.getProteinDomains() ) {
-                    final String domain = d.getDomainId().getId();
-                    // System.out.println( domain );
-                    if ( !domains_which_are_sometimes_single_sometimes_not.contains( domain ) ) {
-                        if ( domains_which_are_always_single.contains( domain ) ) {
-                            domains_which_are_always_single.remove( domain );
-                            domains_which_are_sometimes_single_sometimes_not.add( domain );
-                        }
-                        else {
-                            domains_which_never_single.add( domain );
-                        }
-                    }
-                }
-            }
-        }
-        try {
-            writer.write( genome );
-            writer.write( "\t" );
-            if ( stats.getN() >= 1 ) {
-                writer.write( stats.arithmeticMean() + "" );
-                writer.write( "\t" );
-                if ( stats.getN() >= 2 ) {
-                    writer.write( stats.sampleStandardDeviation() + "" );
-                }
-                else {
-                    writer.write( "" );
-                }
-                writer.write( "\t" );
-                writer.write( stats.median() + "" );
-                writer.write( "\t" );
-                writer.write( stats.getN() + "" );
-                writer.write( "\t" );
-                writer.write( stats.getMin() + "" );
-                writer.write( "\t" );
-                writer.write( stats.getMax() + "" );
-            }
-            else {
-                writer.write( "\t" );
-                writer.write( "\t" );
-                writer.write( "\t" );
-                writer.write( "0" );
-                writer.write( "\t" );
-                writer.write( "\t" );
-            }
-            writer.write( "\n" );
-        }
-        catch ( final IOException e ) {
-            e.printStackTrace();
-        }
-    }
-
     final static class DomainComparator implements Comparator<Domain> {
 
         final private boolean _ascending;