rio - gsdir work...
[jalview.git] / forester / java / src / org / forester / application / gsdi.java
index 304d12d..295e542 100644 (file)
@@ -36,11 +36,9 @@ import java.util.SortedSet;
 import java.util.TreeMap;
 import java.util.TreeSet;
 
-import org.forester.io.parsers.PhylogenyParser;
-import org.forester.io.parsers.nhx.NHXParser;
+import org.forester.io.parsers.nhx.NHXParser.TAXONOMY_EXTRACTION;
 import org.forester.io.parsers.phyloxml.PhyloXmlDataFormatException;
 import org.forester.io.parsers.phyloxml.PhyloXmlParser;
-import org.forester.io.parsers.util.ParserUtils;
 import org.forester.io.writers.PhylogenyWriter;
 import org.forester.phylogeny.Phylogeny;
 import org.forester.phylogeny.PhylogenyMethods;
@@ -48,12 +46,11 @@ import org.forester.phylogeny.PhylogenyNode;
 import org.forester.phylogeny.factories.ParserBasedPhylogenyFactory;
 import org.forester.phylogeny.factories.PhylogenyFactory;
 import org.forester.sdi.GSDI;
+import org.forester.sdi.GSDII;
 import org.forester.sdi.GSDIR;
-import org.forester.sdi.SDI;
-import org.forester.sdi.SDI.ALGORITHM;
-import org.forester.sdi.SDI.TaxonomyComparisonBase;
 import org.forester.sdi.SDIException;
-import org.forester.sdi.SDIse;
+import org.forester.sdi.SDIutil;
+import org.forester.sdi.SDIutil.ALGORITHM;
 import org.forester.util.CommandLineArguments;
 import org.forester.util.EasyWriter;
 import org.forester.util.ForesterConstants;
@@ -63,7 +60,6 @@ public final class gsdi {
 
     final static public boolean REPLACE_UNDERSCORES_IN_NH_SPECIES_TREE = true;
     final static private String ALLOW_STRIPPING_OF_GENE_TREE_OPTION    = "g";
-    final static private String SDISE_OPTION                           = "b";
     final static private String GSDIR_OPTION                           = "r";
     final static private String MOST_PARSIMONIOUS_OPTION               = "m";
     final static private String GUESS_FORMAT_OF_SPECIES_TREE           = "q";
@@ -108,7 +104,6 @@ public final class gsdi {
                 System.exit( -1 );
             }
             final List<String> allowed_options = new ArrayList<String>();
-            allowed_options.add( gsdi.SDISE_OPTION );
             allowed_options.add( gsdi.GSDIR_OPTION );
             allowed_options.add( gsdi.GUESS_FORMAT_OF_SPECIES_TREE );
             allowed_options.add( gsdi.MOST_PARSIMONIOUS_OPTION );
@@ -131,9 +126,6 @@ public final class gsdi {
         if ( cla.isOptionSet( gsdi.GSDIR_OPTION ) ) {
             base_algorithm = ALGORITHM.GSDIR;
         }
-        else if ( cla.isOptionSet( gsdi.SDISE_OPTION ) ) {
-            base_algorithm = ALGORITHM.SDI;
-        }
         if ( cla.isOptionSet( gsdi.MOST_PARSIMONIOUS_OPTION ) ) {
             if ( base_algorithm == ALGORITHM.SDI ) {
                 ForesterUtil.fatalError( gsdi.PRG_NAME, "Cannot use most parsimonious duplication mode with SDI" );
@@ -185,65 +177,27 @@ public final class gsdi {
             gene_tree = factory.create( gene_tree_file, new PhyloXmlParser() )[ 0 ];
         }
         catch ( final IOException e ) {
-            fatalError( "ERROR",
-                        "Failed to read gene tree from [" + gene_tree_file + "]: " + e.getMessage(),
+            fatalError( "error",
+                        "failed to read gene tree from [" + gene_tree_file + "]: " + e.getMessage(),
                         log_writer );
         }
         try {
-            final PhylogenyFactory factory = ParserBasedPhylogenyFactory.getInstance();
-            final PhylogenyParser p = ParserUtils.createParserDependingOnFileType( species_tree_file, true );
-            if ( p instanceof PhyloXmlParser ) {
-                species_tree = factory.create( species_tree_file, p )[ 0 ];
-            }
-            else {
-                if ( REPLACE_UNDERSCORES_IN_NH_SPECIES_TREE && ( p instanceof NHXParser ) ) {
-                    ( ( NHXParser ) p ).setReplaceUnderscores( true );
-                }
-                species_tree = factory.create( species_tree_file, p )[ 0 ];
-                final TaxonomyComparisonBase comp_base = GSDI.determineTaxonomyComparisonBase( gene_tree );
-                switch ( comp_base ) {
-                    case SCIENTIFIC_NAME:
-                        try {
-                            PhylogenyMethods
-                                    .transferNodeNameToField( species_tree,
-                                                              PhylogenyMethods.PhylogenyNodeField.TAXONOMY_SCIENTIFIC_NAME,
-                                                              true );
-                        }
-                        catch ( final PhyloXmlDataFormatException e ) {
-                            fatalError( "USER ERROR", "Failed to transfer general node name to scientific name, in ["
-                                    + species_tree_file + "]: " + e.getMessage(), log_writer );
-                        }
-                        break;
-                    case CODE:
-                        try {
-                            PhylogenyMethods
-                                    .transferNodeNameToField( species_tree,
-                                                              PhylogenyMethods.PhylogenyNodeField.TAXONOMY_CODE,
-                                                              true );
-                        }
-                        catch ( final PhyloXmlDataFormatException e ) {
-                            fatalError( "USER ERROR", "Failed to transfer general node name to taxonomy code, in ["
-                                    + species_tree_file + "]: " + e.getMessage(), log_writer );
-                        }
-                        break;
-                    case ID:
-                        try {
-                            PhylogenyMethods.transferNodeNameToField( species_tree,
-                                                                      PhylogenyMethods.PhylogenyNodeField.TAXONOMY_ID,
-                                                                      true );
-                        }
-                        catch ( final PhyloXmlDataFormatException e ) {
-                            fatalError( "USER ERROR", "Failed to transfer general node name to taxonomy id, in ["
-                                    + species_tree_file + "]: " + e.getMessage(), log_writer );
-                        }
-                        break;
-                    default:
-                        fatalError( "UNEXPECTED ERROR", "unable to determine comparison base", log_writer );
-                }
-            }
+            species_tree = SDIutil.parseSpeciesTree( gene_tree,
+                                                     species_tree_file,
+                                                     REPLACE_UNDERSCORES_IN_NH_SPECIES_TREE,
+                                                     true,
+                                                     TAXONOMY_EXTRACTION.NO );
+        }
+        catch ( final PhyloXmlDataFormatException e ) {
+            fatalError( "user error",
+                        "failed to transfer general node name, in [" + species_tree_file + "]: " + e.getMessage(),
+                        log_writer );
+        }
+        catch ( final SDIException e ) {
+            fatalError( "user error", e.getMessage(), log_writer );
         }
         catch ( final IOException e ) {
-            fatalError( "ERROR",
+            fatalError( "error",
                         "Failed to read species tree from [" + species_tree_file + "]: " + e.getMessage(),
                         log_writer );
         }
@@ -280,40 +234,31 @@ public final class gsdi {
                 + ( ForesterUtil.isEmpty( species_tree.getName() ) ? "" : gene_tree.getName() ) );
         System.out.println( "Species tree name                        : "
                 + ( ForesterUtil.isEmpty( species_tree.getName() ) ? "" : gene_tree.getName() ) );
-        SDI sdi = null;
+        GSDII gsdii = null;
         final long start_time = new Date().getTime();
         try {
-            if ( ( base_algorithm == ALGORITHM.GSDI ) || ( base_algorithm == ALGORITHM.GSDIR ) ) {
-                if ( base_algorithm == ALGORITHM.GSDI ) {
-                    System.out.println( "Algorithm       : GSDI" );
-                    log_writer.println( "Algorithm       : GSDI" );
-                }
-                else if ( base_algorithm == ALGORITHM.GSDIR ) {
-                    System.out.println( "Algorithm       : GSDIR" );
-                    log_writer.println( "Algorithm       : GSDIR" );
-                }
-                System.out.println( "Use most parsimonous duplication model   : " + most_parsimonous_duplication_model );
-                System.out.println( "Allow stripping of gene tree nodes       : " + allow_stripping_of_gene_tree );
-                log_writer.println( "Use most parsimonous duplication model   : " + most_parsimonous_duplication_model );
-                log_writer.println( "Allow stripping of gene tree nodes       : " + allow_stripping_of_gene_tree );
-                log_writer.flush();
-                if ( base_algorithm == ALGORITHM.GSDI ) {
-                    sdi = new GSDI( gene_tree,
-                                    species_tree,
-                                    most_parsimonous_duplication_model,
-                                    allow_stripping_of_gene_tree,
-                                    true );
-                }
-                else if ( base_algorithm == ALGORITHM.GSDIR ) {
-                    sdi = new GSDIR( gene_tree, species_tree, allow_stripping_of_gene_tree, true );
-                }
+            if ( base_algorithm == ALGORITHM.GSDI ) {
+                System.out.println( "Algorithm       : GSDI" );
+                log_writer.println( "Algorithm       : GSDI" );
             }
-            else {
-                System.out.println();
-                System.out.println( "Algorithm       : SDI" );
-                log_writer.println( "Algorithm       : SDI" );
-                log_writer.flush();
-                sdi = new SDIse( gene_tree, species_tree );
+            else if ( base_algorithm == ALGORITHM.GSDIR ) {
+                System.out.println( "Algorithm       : GSDIR" );
+                log_writer.println( "Algorithm       : GSDIR" );
+            }
+            System.out.println( "Use most parsimonous duplication model   : " + most_parsimonous_duplication_model );
+            System.out.println( "Allow stripping of gene tree nodes       : " + allow_stripping_of_gene_tree );
+            log_writer.println( "Use most parsimonous duplication model   : " + most_parsimonous_duplication_model );
+            log_writer.println( "Allow stripping of gene tree nodes       : " + allow_stripping_of_gene_tree );
+            log_writer.flush();
+            if ( base_algorithm == ALGORITHM.GSDI ) {
+                gsdii = new GSDI( gene_tree,
+                                  species_tree,
+                                  most_parsimonous_duplication_model,
+                                  allow_stripping_of_gene_tree,
+                                  true );
+            }
+            else if ( base_algorithm == ALGORITHM.GSDIR ) {
+                gsdii = new GSDIR( gene_tree, species_tree, allow_stripping_of_gene_tree, true );
             }
         }
         catch ( final SDIException e ) {
@@ -322,6 +267,9 @@ public final class gsdi {
         catch ( final IOException e ) {
             fatalError( "error", e.toString(), log_writer );
         }
+        catch ( final OutOfMemoryError e ) {
+            ForesterUtil.outOfMemoryError( e );
+        }
         catch ( final Exception e ) {
             e.printStackTrace();
             fatalError( "unexpected error", e.toString(), log_writer );
@@ -330,17 +278,10 @@ public final class gsdi {
                 + "ms" );
         log_writer.println( "Running time (excluding I/O)             : " + ( new Date().getTime() - start_time )
                 + "ms" );
-        if ( ( base_algorithm == ALGORITHM.GSDI ) ) {
-            final GSDI gsdi = ( GSDI ) sdi;
-            System.out.println( "Mapping based on                         : " + gsdi.getTaxCompBase() );
-            log_writer.println( "Mapping based on                         : " + gsdi.getTaxCompBase() );
-        }
+        System.out.println( "Mapping based on                         : " + gsdii.getTaxCompBase() );
+        log_writer.println( "Mapping based on                         : " + gsdii.getTaxCompBase() );
         if ( ( base_algorithm == ALGORITHM.GSDIR ) ) {
-            final GSDIR gsdir = ( GSDIR ) sdi;
-            System.out.println( "Mapping based on                         : " + gsdir.getTaxCompBase() );
-            log_writer.println( "Mapping based on                         : " + gsdir.getTaxCompBase() );
-            System.out.println( "Minimal duplications sum                 : " + gsdir.getMinDuplicationsSum() );
-            log_writer.println( "Minimal duplications sum                 : " + gsdir.getMinDuplicationsSum() );
+            final GSDIR gsdir = ( GSDIR ) gsdii;
             System.out.println( "Duplications sum statistics              : " + gsdir.getMinDuplicationsSum() );
             log_writer.println( "Duplications sum statistics              : " + gsdir.getMinDuplicationsSum() );
         }
@@ -348,7 +289,7 @@ public final class gsdi {
             final PhylogenyWriter writer = new PhylogenyWriter();
             if ( base_algorithm == ALGORITHM.GSDIR ) {
                 writer.toPhyloXML( out_file,
-                                   ( ( GSDIR ) sdi ).getMinDuplicationsSumGeneTrees(),
+                                   ( ( GSDIR ) gsdii ).getMinDuplicationsSumGeneTrees(),
                                    0,
                                    ForesterUtil.LINE_SEPARATOR );
             }
@@ -362,103 +303,67 @@ public final class gsdi {
         }
         System.out.println( "Wrote resulting gene tree to             : " + out_file.getCanonicalPath() );
         log_writer.println( "Wrote resulting gene tree to             : " + out_file.getCanonicalPath() );
-        if ( base_algorithm == ALGORITHM.SDI ) {
-            sdi.computeMappingCostL();
-            System.out.println( "Mapping cost                             : " + sdi.computeMappingCostL() );
-            log_writer.println( "Mapping cost                             : " + sdi.computeMappingCostL() );
-        }
-        else if ( ( base_algorithm == ALGORITHM.GSDI ) || ( base_algorithm == ALGORITHM.GSDIR ) ) {
-            final GSDI gsdi = ( GSDI ) sdi;
-            final File species_tree_used_file = new File( ForesterUtil.removeSuffix( out_file.toString() )
-                    + SUFFIX_FOR_SPECIES_TREE_USED );
-            try {
-                final PhylogenyWriter writer = new PhylogenyWriter();
-                writer.toPhyloXML( species_tree_used_file, gsdi.getSpeciesTree(), 0 );
-            }
-            catch ( final IOException e ) {
-                ForesterUtil.fatalError( PRG_NAME, "Failed to write to [" + species_tree_used_file.getCanonicalPath()
-                        + "]: " + e.getMessage() );
-            }
-            System.out.println( "Wrote (stripped) species tree to         : "
-                    + species_tree_used_file.getCanonicalPath() );
-            log_writer.println( "Wrote (stripped) species tree to         : "
-                    + species_tree_used_file.getCanonicalPath() );
-            if ( ( gsdi.getReMappedScientificNamesFromGeneTree() != null )
-                    && !gsdi.getReMappedScientificNamesFromGeneTree().isEmpty() ) {
-                System.out.println( "Number of gene tree species remapped     : "
-                        + gsdi.getReMappedScientificNamesFromGeneTree().size() );
-                log_writer.println( "Number of gene tree species remapped     : "
-                        + gsdi.getReMappedScientificNamesFromGeneTree().size() );
-                writeToRemappedFile( out_file, gsdi.getReMappedScientificNamesFromGeneTree(), log_writer );
-            }
+        final File species_tree_used_file = new File( ForesterUtil.removeSuffix( out_file.toString() )
+                + SUFFIX_FOR_SPECIES_TREE_USED );
+        try {
+            final PhylogenyWriter writer = new PhylogenyWriter();
+            writer.toPhyloXML( species_tree_used_file, species_tree, 0 );
+        }
+        catch ( final IOException e ) {
+            ForesterUtil.fatalError( PRG_NAME, "Failed to write to [" + species_tree_used_file.getCanonicalPath()
+                    + "]: " + e.getMessage() );
+        }
+        System.out.println( "Wrote (stripped) species tree to         : " + species_tree_used_file.getCanonicalPath() );
+        log_writer.println( "Wrote (stripped) species tree to         : " + species_tree_used_file.getCanonicalPath() );
+        if ( ( gsdii.getReMappedScientificNamesFromGeneTree() != null )
+                && !gsdii.getReMappedScientificNamesFromGeneTree().isEmpty() ) {
+            System.out.println( "Number of gene tree species remapped     : "
+                    + gsdii.getReMappedScientificNamesFromGeneTree().size() );
+            log_writer.println( "Number of gene tree species remapped     : "
+                    + gsdii.getReMappedScientificNamesFromGeneTree().size() );
+            writeToRemappedFile( out_file, gsdii.getReMappedScientificNamesFromGeneTree(), log_writer );
         }
         System.out.println( "Number of external nodes in gene tree    : " + gene_tree.getNumberOfExternalNodes() );
         log_writer.println( "Number of external nodes in gene tree    : " + gene_tree.getNumberOfExternalNodes() );
-        System.out.println( "Number of external nodes in species tree : "
-                + sdi.getSpeciesTree().getNumberOfExternalNodes() );
-        log_writer.println( "Number of external nodes in species tree : "
-                + sdi.getSpeciesTree().getNumberOfExternalNodes() );
-        if ( ( base_algorithm == ALGORITHM.GSDI ) ) {
-            final GSDI gsdi = ( GSDI ) sdi;
-            final int poly = PhylogenyMethods.countNumberOfPolytomies( gsdi.getSpeciesTree() );
-            System.out.println( "Number of polytomies in species tree     : " + poly );
-            log_writer.println( "Number of polytomies in species tree     : " + poly );
-            System.out.println( "External nodes stripped from gene tree   : "
-                    + gsdi.getStrippedExternalGeneTreeNodes().size() );
-            log_writer.println( "External nodes stripped from gene tree   : "
-                    + gsdi.getStrippedExternalGeneTreeNodes().size() );
-            System.out.println( "External nodes stripped from species tree: "
-                    + gsdi.getStrippedSpeciesTreeNodes().size() );
-            log_writer.println( "External nodes stripped from species tree: "
-                    + gsdi.getStrippedSpeciesTreeNodes().size() );
-        }
+        System.out.println( "Number of external nodes in species tree : " + species_tree.getNumberOfExternalNodes() );
+        log_writer.println( "Number of external nodes in species tree : " + species_tree.getNumberOfExternalNodes() );
+        final int poly = PhylogenyMethods.countNumberOfPolytomies( species_tree );
+        System.out.println( "Number of polytomies in species tree     : " + poly );
+        log_writer.println( "Number of polytomies in species tree     : " + poly );
+        System.out.println( "External nodes stripped from gene tree   : "
+                + gsdii.getStrippedExternalGeneTreeNodes().size() );
+        log_writer.println( "External nodes stripped from gene tree   : "
+                + gsdii.getStrippedExternalGeneTreeNodes().size() );
+        System.out.println( "External nodes stripped from species tree: " + gsdii.getStrippedSpeciesTreeNodes().size() );
+        log_writer.println( "External nodes stripped from species tree: " + gsdii.getStrippedSpeciesTreeNodes().size() );
         System.out.println();
-        System.out.println( "Number of duplications                   : " + sdi.getDuplicationsSum() );
-        log_writer.println( "Number of duplications                   : " + sdi.getDuplicationsSum() );
-        if ( ( base_algorithm == ALGORITHM.GSDI ) ) {
-            final GSDI gsdi = ( GSDI ) sdi;
+        System.out.println( "Number of speciations                    : " + gsdii.getSpeciationsSum() );
+        log_writer.println( "Number of speciations                    : " + gsdii.getSpeciationsSum() );
+        if ( ( base_algorithm == ALGORITHM.GSDIR ) ) {
+            final GSDIR gsdir = ( GSDIR ) gsdii;
+            System.out.println( "Minimal number of duplications           : " + gsdir.getMinDuplicationsSum() );
+            log_writer.println( "Minimal number of duplications           : " + gsdir.getMinDuplicationsSum() );
+        }
+        else if ( ( base_algorithm == ALGORITHM.GSDI ) ) {
+            final GSDI gsdi = ( GSDI ) gsdii;
+            System.out.println( "Number of duplications                   : " + gsdi.getDuplicationsSum() );
+            log_writer.println( "Number of duplications                   : " + gsdi.getDuplicationsSum() );
             if ( !most_parsimonous_duplication_model ) {
                 final int u = gsdi.getSpeciationOrDuplicationEventsSum();
                 System.out.println( "Number of potential duplications         : " + u );
                 log_writer.println( "Number of potential duplications         : " + u );
             }
-            System.out.println( "Number of speciations                    : " + gsdi.getSpeciationsSum() );
-            log_writer.println( "Number of speciations                    : " + gsdi.getSpeciationsSum() );
-            log_writer.println();
-            printMappedNodesToLog( log_writer, gsdi );
-            log_writer.println();
-            printStrippedGeneTreeNodesToLog( log_writer, gsdi );
         }
+        log_writer.println();
+        printMappedNodesToLog( log_writer, gsdii );
+        log_writer.println();
+        printStrippedGeneTreeNodesToLog( log_writer, gsdii );
         System.out.println();
         System.out.println( "Wrote log to                             : " + log_file.getCanonicalPath() );
         System.out.println();
         log_writer.close();
     }
 
-    private static void writeToRemappedFile( final File out_file,
-                                             final SortedSet<String> remapped,
-                                             final EasyWriter log_writer ) throws IOException {
-        final File file = new File( ForesterUtil.removeSuffix( out_file.toString() ) + REMAPPED_SUFFIX );
-        final EasyWriter remapped_writer = ForesterUtil.createEasyWriter( file );
-        for( final String s : remapped ) {
-            remapped_writer.println( s );
-        }
-        remapped_writer.close();
-        System.out.println( "Wrote remapped gene tree species to      : " + file.getCanonicalPath() );
-        log_writer.println( "Wrote remapped gene tree species to      : " + file.getCanonicalPath() );
-    }
-
-    private static void printMappedNodesToLog( final EasyWriter log_writer, final GSDI gsdi ) throws IOException {
-        final SortedSet<String> ss = new TreeSet<String>();
-        for( final PhylogenyNode n : gsdi.getMappedExternalSpeciesTreeNodes() ) {
-            ss.add( n.toString() );
-        }
-        log_writer.println( "The following " + ss.size() + " species were used: " );
-        for( final String s : ss ) {
-            log_writer.println( "  " + s );
-        }
-    }
-
     private static void fatalError( final String type, final String msg, final EasyWriter log_writer ) {
         try {
             log_writer.flush();
@@ -473,30 +378,6 @@ public final class gsdi {
         ForesterUtil.fatalError( gsdi.PRG_NAME, msg );
     }
 
-    private static void printStrippedGeneTreeNodesToLog( final EasyWriter log_writer, final GSDI gsdi )
-            throws IOException {
-        final SortedMap<String, Integer> sm = new TreeMap<String, Integer>();
-        for( final PhylogenyNode n : gsdi.getStrippedExternalGeneTreeNodes() ) {
-            final String s = n.toString();
-            if ( sm.containsKey( s ) ) {
-                sm.put( s, sm.get( s ) + 1 );
-            }
-            else {
-                sm.put( s, 1 );
-            }
-        }
-        log_writer.println( "The following " + sm.size() + " nodes were stripped from the gene tree: " );
-        for( final String s : sm.keySet() ) {
-            final int count = sm.get( s );
-            if ( count == 1 ) {
-                log_writer.println( "  " + s );
-            }
-            else {
-                log_writer.println( "  " + s + " [" + count + "]" );
-            }
-        }
-    }
-
     private static void print_help() {
         System.out.println( "Usage: " + gsdi.PRG_NAME
                 + " [-options] <gene tree in phyloXML format> <species tree> <outfile>" );
@@ -510,8 +391,6 @@ public final class gsdi {
         System.out.println( "     as potential duplications due to polytomies in the species tree" );
         System.out.println( " -" + gsdi.GUESS_FORMAT_OF_SPECIES_TREE
                 + ": to allow species tree in other formats than phyloXML (i.e. Newick, NHX, Nexus)" );
-        System.out.println( " -" + gsdi.SDISE_OPTION
-                + ": to use SDIse algorithm instead of GSDI algorithm (for binary species trees)" );
         System.out.println( " -" + gsdi.GSDIR_OPTION
                 + ": to use GSDIR algorithm instead of GSDI algorithm (re-rooting)" );
         System.out.println();
@@ -525,4 +404,52 @@ public final class gsdi {
                 + " gene_tree.xml tree_of_life.xml out.xml" );
         System.out.println();
     }
+
+    private static void printMappedNodesToLog( final EasyWriter log_writer, final GSDII gsdi ) throws IOException {
+        final SortedSet<String> ss = new TreeSet<String>();
+        for( final PhylogenyNode n : gsdi.getMappedExternalSpeciesTreeNodes() ) {
+            ss.add( n.toString() );
+        }
+        log_writer.println( "The following " + ss.size() + " species were used: " );
+        for( final String s : ss ) {
+            log_writer.println( "  " + s );
+        }
+    }
+
+    private static void printStrippedGeneTreeNodesToLog( final EasyWriter log_writer, final GSDII gsdi )
+            throws IOException {
+        final SortedMap<String, Integer> sm = new TreeMap<String, Integer>();
+        for( final PhylogenyNode n : gsdi.getStrippedExternalGeneTreeNodes() ) {
+            final String s = n.toString();
+            if ( sm.containsKey( s ) ) {
+                sm.put( s, sm.get( s ) + 1 );
+            }
+            else {
+                sm.put( s, 1 );
+            }
+        }
+        log_writer.println( "The following " + sm.size() + " nodes were stripped from the gene tree: " );
+        for( final String s : sm.keySet() ) {
+            final int count = sm.get( s );
+            if ( count == 1 ) {
+                log_writer.println( "  " + s );
+            }
+            else {
+                log_writer.println( "  " + s + " [" + count + "]" );
+            }
+        }
+    }
+
+    private static void writeToRemappedFile( final File out_file,
+                                             final SortedSet<String> remapped,
+                                             final EasyWriter log_writer ) throws IOException {
+        final File file = new File( ForesterUtil.removeSuffix( out_file.toString() ) + REMAPPED_SUFFIX );
+        final EasyWriter remapped_writer = ForesterUtil.createEasyWriter( file );
+        for( final String s : remapped ) {
+            remapped_writer.println( s );
+        }
+        remapped_writer.close();
+        System.out.println( "Wrote remapped gene tree species to      : " + file.getCanonicalPath() );
+        log_writer.println( "Wrote remapped gene tree species to      : " + file.getCanonicalPath() );
+    }
 }