inprogress
[jalview.git] / forester / java / src / org / forester / application / surfacing.java
index b3c1446..2a2169e 100644 (file)
@@ -34,17 +34,14 @@ import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Set;
 import java.util.SortedMap;
 import java.util.SortedSet;
 import java.util.TreeMap;
 import java.util.TreeSet;
 
-import org.forester.evoinference.matrix.character.CharacterStateMatrix.Format;
 import org.forester.go.GoId;
 import org.forester.go.GoNameSpace;
 import org.forester.go.GoTerm;
@@ -54,13 +51,7 @@ import org.forester.go.PfamToGoMapping;
 import org.forester.go.PfamToGoParser;
 import org.forester.io.parsers.HmmscanPerDomainTableParser;
 import org.forester.io.parsers.HmmscanPerDomainTableParser.INDIVIDUAL_SCORE_CUTOFF;
-import org.forester.io.parsers.phyloxml.PhyloXmlUtil;
-import org.forester.io.parsers.util.ParserUtils;
 import org.forester.phylogeny.Phylogeny;
-import org.forester.phylogeny.PhylogenyMethods;
-import org.forester.phylogeny.PhylogenyNode;
-import org.forester.phylogeny.factories.ParserBasedPhylogenyFactory;
-import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
 import org.forester.protein.BinaryDomainCombination;
 import org.forester.protein.Domain;
 import org.forester.protein.Protein;
@@ -70,12 +61,11 @@ import org.forester.surfacing.BasicDomainSimilarityCalculator;
 import org.forester.surfacing.BasicGenomeWideCombinableDomains;
 import org.forester.surfacing.CombinationsBasedPairwiseDomainSimilarityCalculator;
 import org.forester.surfacing.DomainCountsBasedPairwiseSimilarityCalculator;
-import org.forester.surfacing.DomainCountsDifferenceUtil;
 import org.forester.surfacing.DomainLengthsTable;
 import org.forester.surfacing.DomainParsimonyCalculator;
 import org.forester.surfacing.DomainSimilarity;
 import org.forester.surfacing.DomainSimilarity.DomainSimilarityScoring;
-import org.forester.surfacing.DomainSimilarity.DomainSimilaritySortField;
+import org.forester.surfacing.DomainSimilarity.PRINT_OPTION;
 import org.forester.surfacing.DomainSimilarityCalculator;
 import org.forester.surfacing.DomainSimilarityCalculator.Detailedness;
 import org.forester.surfacing.GenomeWideCombinableDomains;
@@ -83,8 +73,6 @@ import org.forester.surfacing.GenomeWideCombinableDomains.GenomeWideCombinableDo
 import org.forester.surfacing.MappingResults;
 import org.forester.surfacing.PairwiseDomainSimilarityCalculator;
 import org.forester.surfacing.PairwiseGenomeComparator;
-import org.forester.surfacing.PrintableDomainSimilarity;
-import org.forester.surfacing.PrintableDomainSimilarity.PRINT_OPTION;
 import org.forester.surfacing.ProteinCountsBasedPairwiseDomainSimilarityCalculator;
 import org.forester.surfacing.SurfacingUtil;
 import org.forester.util.BasicDescriptiveStatistics;
@@ -97,455 +85,188 @@ import org.forester.util.ForesterUtil;
 
 public class surfacing {
 
-    private static final int                                  MINIMAL_NUMBER_OF_SIMILARITIES_FOR_SPLITTING                                  = 1000;
-    public final static String                                DOMAIN_COMBINITONS_OUTPUT_OPTION_FOR_GRAPH_ANALYSIS                           = "graph_analysis_out";
-    public final static String                                DOMAIN_COMBINITONS_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS                       = "_dc.dot";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_PRESENT_BC_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS        = "_fitch_present_dc.dot";
-    public final static String                                DOMAIN_COMBINITON_COUNTS_OUTPUTFILE_SUFFIX                                    = ".dcc";
+    private static final int                                        MINIMAL_NUMBER_OF_SIMILARITIES_FOR_SPLITTING                                  = 1000;
+    public final static String                                      DOMAIN_COMBINITONS_OUTPUT_OPTION_FOR_GRAPH_ANALYSIS                           = "graph_analysis_out";
+    public final static String                                      DOMAIN_COMBINITONS_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS                       = "_dc.dot";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_PRESENT_BC_OUTPUTFILE_SUFFIX_FOR_GRAPH_ANALYSIS        = "_fitch_present_dc.dot";
+    public final static String                                      DOMAIN_COMBINITON_COUNTS_OUTPUTFILE_SUFFIX                                    = ".dcc";
     // gain/loss:
-    public final static String                                PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_DOMAINS                                      = "_dollo_gl_d";
-    public final static String                                PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_BINARY_COMBINATIONS                          = "_dollo_gl_dc";
-    public final static String                                PARSIMONY_OUTPUT_GL_SUFFIX_FITCH_DOMAINS                                      = "_fitch_gl_d";
-    public final static String                                PARSIMONY_OUTPUT_GL_SUFFIX_FITCH_BINARY_COMBINATIONS                          = "_fitch_gl_dc";
+    public final static String                                      PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_DOMAINS                                      = "_dollo_gl_d";
+    public final static String                                      PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_BINARY_COMBINATIONS                          = "_dollo_gl_dc";
+    public final static String                                      PARSIMONY_OUTPUT_GL_SUFFIX_FITCH_DOMAINS                                      = "_fitch_gl_d";
+    public final static String                                      PARSIMONY_OUTPUT_GL_SUFFIX_FITCH_BINARY_COMBINATIONS                          = "_fitch_gl_dc";
     // gain/loss counts:
-    public final static String                                PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_DOMAINS                               = "_dollo_glc_d";
-    public final static String                                PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_BINARY_COMBINATIONS                   = "_dollo_glc_dc";
-    public final static String                                PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_FITCH_DOMAINS                               = "_fitch_glc_d";
-    public final static String                                PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_FITCH_BINARY_COMBINATIONS                   = "_fitch_glc_dc";
+    public final static String                                      PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_DOMAINS                               = "_dollo_glc_d";
+    public final static String                                      PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_BINARY_COMBINATIONS                   = "_dollo_glc_dc";
+    public final static String                                      PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_FITCH_DOMAINS                               = "_fitch_glc_d";
+    public final static String                                      PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_FITCH_BINARY_COMBINATIONS                   = "_fitch_glc_dc";
     // tables:
-    public final static String                                PARSIMONY_OUTPUT_FITCH_GAINS_BC                                               = "_fitch_gains_dc";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_GAINS_HTML_BC                                          = "_fitch_gains_dc.html";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_LOSSES_BC                                              = "_fitch_losses_dc";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_LOSSES_HTML_BC                                         = "_fitch_losses_dc.html";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_PRESENT_BC                                             = "_fitch_present_dc";
-    public final static String                                PARSIMONY_OUTPUT_FITCH_PRESENT_HTML_BC                                        = "_fitch_present_dc.html";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_GAINS_D                                                = "_dollo_gains_d";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_GAINS_HTML_D                                           = "_dollo_gains_d.html";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_LOSSES_D                                               = "_dollo_losses_d";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_LOSSES_HTML_D                                          = "_dollo_losses_d.html";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_PRESENT_D                                              = "_dollo_present_d";
-    public final static String                                PARSIMONY_OUTPUT_DOLLO_PRESENT_HTML_D                                         = "_dollo_present_d.html";
-    public final static String                                DOMAINS_PRESENT_NEXUS                                                         = "_dom.nex";
-    public final static String                                BDC_PRESENT_NEXUS                                                             = "_dc.nex";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_GAINS_BC                                               = "_fitch_gains_dc";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_GAINS_HTML_BC                                          = "_fitch_gains_dc.html";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_LOSSES_BC                                              = "_fitch_losses_dc";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_LOSSES_HTML_BC                                         = "_fitch_losses_dc.html";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_PRESENT_BC                                             = "_fitch_present_dc";
+    public final static String                                      PARSIMONY_OUTPUT_FITCH_PRESENT_HTML_BC                                        = "_fitch_present_dc.html";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_GAINS_D                                                = "_dollo_gains_d";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_GAINS_HTML_D                                           = "_dollo_gains_d.html";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_LOSSES_D                                               = "_dollo_losses_d";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_LOSSES_HTML_D                                          = "_dollo_losses_d.html";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_PRESENT_D                                              = "_dollo_present_d";
+    public final static String                                      PARSIMONY_OUTPUT_DOLLO_PRESENT_HTML_D                                         = "_dollo_present_d.html";
+    public final static String                                      DOMAINS_PRESENT_NEXUS                                                         = "_dom.nex";
+    public final static String                                      BDC_PRESENT_NEXUS                                                             = "_dc.nex";
     // ---
-    public final static String                                PRG_NAME                                                                      = "surfacing";
-    public static final String                                DOMAINS_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                                    = "_d_dollo"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                DOMAINS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH                                    = "_d_fitch"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                 = "_dc_dollo"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH                 = "_dc_fitch"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                NEXUS_EXTERNAL_DOMAINS                                                        = "_dom.nex";
-    public static final String                                NEXUS_EXTERNAL_DOMAIN_COMBINATIONS                                            = "_dc.nex";
-    public static final String                                NEXUS_SECONDARY_FEATURES                                                      = "_secondary_features.nex";
-    public static final String                                PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_SECONDARY_FEATURES                           = "_dollo_gl_secondary_features";
-    public static final String                                PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_SECONDARY_FEATURES                    = "_dollo_glc_secondary_features";
-    public static final String                                PARSIMONY_OUTPUT_DOLLO_GAINS_SECONDARY_FEATURES                               = "_dollo_gains_secondary_features";
-    public static final String                                PARSIMONY_OUTPUT_DOLLO_LOSSES_SECONDARY_FEATURES                              = "_dollo_losses_secondary_features";
-    public static final String                                PARSIMONY_OUTPUT_DOLLO_PRESENT_SECONDARY_FEATURES                             = "_dollo_present_secondary_features";
-    public static final String                                SECONDARY_FEATURES_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                         = "_secondary_features_dollo"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                PARSIMONY_OUTPUT_DOLLO_ALL_GOID_D_ALL_NAMESPACES                              = "_dollo_goid_d";
-    public static final String                                PARSIMONY_OUTPUT_FITCH_ALL_GOID_BC_ALL_NAMESPACES                             = "_fitch_goid_dc";
-    final static private String                               HELP_OPTION_1                                                                 = "help";
-    final static private String                               HELP_OPTION_2                                                                 = "h";
-    final static private String                               OUTPUT_DIR_OPTION                                                             = "out_dir";
-    final static private String                               SCORING_OPTION                                                                = "scoring";
-    private static final DomainSimilarityScoring              SCORING_DEFAULT                                                               = DomainSimilarity.DomainSimilarityScoring.COMBINATIONS;
-    final static private String                               SCORING_DOMAIN_COUNT_BASED                                                    = "domains";
-    final static private String                               SCORING_PROTEIN_COUNT_BASED                                                   = "proteins";
-    final static private String                               SCORING_COMBINATION_BASED                                                     = "combinations";
-    final static private String                               DETAILEDNESS_OPTION                                                           = "detail";
-    private final static Detailedness                         DETAILEDNESS_DEFAULT                                                          = DomainSimilarityCalculator.Detailedness.PUNCTILIOUS;
-    final static private String                               SPECIES_MATRIX_OPTION                                                         = "smatrix";
-    final static private String                               DETAILEDNESS_BASIC                                                            = "basic";
-    final static private String                               DETAILEDNESS_LIST_IDS                                                         = "list_ids";
-    final static private String                               DETAILEDNESS_PUNCTILIOUS                                                      = "punctilious";
-    final static private String                               DOMAIN_SIMILARITY_SORT_OPTION                                                 = "sort";
-    private static final DomainSimilaritySortField            DOMAIN_SORT_FILD_DEFAULT                                                      = DomainSimilarity.DomainSimilaritySortField.DOMAIN_ID;
-    final static private String                               DOMAIN_SIMILARITY_SORT_MIN                                                    = "min";
-    final static private String                               DOMAIN_SIMILARITY_SORT_MAX                                                    = "max";
-    final static private String                               DOMAIN_SIMILARITY_SORT_SD                                                     = "sd";
-    final static private String                               DOMAIN_SIMILARITY_SORT_MEAN                                                   = "mean";
-    final static private String                               DOMAIN_SIMILARITY_SORT_DIFF                                                   = "diff";
-    final static private String                               DOMAIN_SIMILARITY_SORT_COUNTS_DIFF                                            = "count_diff";
-    final static private String                               DOMAIN_SIMILARITY_SORT_ABS_COUNTS_DIFF                                        = "abs_count_diff";
-    final static private String                               DOMAIN_SIMILARITY_SORT_SPECIES_COUNT                                          = "species";
-    final static private String                               DOMAIN_SIMILARITY_SORT_ALPHA                                                  = "alpha";
-    final static private String                               DOMAIN_SIMILARITY_SORT_BY_SPECIES_COUNT_FIRST_OPTION                          = "species_first";
-    final static private String                               DOMAIN_COUNT_SORT_OPTION                                                      = "dc_sort";
-    private static final GenomeWideCombinableDomainsSortOrder DOMAINS_SORT_ORDER_DEFAULT                                                    = GenomeWideCombinableDomains.GenomeWideCombinableDomainsSortOrder.ALPHABETICAL_KEY_ID;
-    final static private String                               DOMAIN_COUNT_SORT_ALPHA                                                       = "alpha";
-    final static private String                               DOMAIN_COUNT_SORT_KEY_DOMAIN_COUNT                                            = "dom";
-    final static private String                               DOMAIN_COUNT_SORT_KEY_DOMAIN_PROTEINS_COUNT                                   = "prot";
-    final static private String                               DOMAIN_COUNT_SORT_COMBINATIONS_COUNT                                          = "comb";
-    final static private String                               CUTOFF_SCORE_FILE_OPTION                                                      = "cos";
-    final static private String                               NOT_IGNORE_DUFS_OPTION                                                        = "dufs";
-    final static private String                               MAX_E_VALUE_OPTION                                                            = "e";
-    final static private String                               MAX_ALLOWED_OVERLAP_OPTION                                                    = "mo";
-    final static private String                               NO_ENGULFING_OVERLAP_OPTION                                                   = "no_eo";
-    final static private String                               IGNORE_COMBINATION_WITH_SAME_OPTION                                           = "ignore_self_comb";
-    final static private String                               PERFORM_DC_REGAIN_PROTEINS_STATS_OPTION                                       = "dc_regain_stats";
-    final static private String                               DA_ANALYSIS_OPTION                                                            = "DA_analyis";
-    final static private String                               USE_LAST_IN_FITCH_OPTION                                                      = "last";
-    final static private String                               PAIRWISE_DOMAIN_COMPARISONS_PREFIX                                            = "pwc_";
-    final static private String                               PAIRWISE_DOMAIN_COMPARISONS_OPTION                                            = "pwc";
-    final static private String                               OUTPUT_FILE_OPTION                                                            = "o";
-    final static private String                               PFAM_TO_GO_FILE_USE_OPTION                                                    = "p2g";
-    final static private String                               GO_OBO_FILE_USE_OPTION                                                        = "obo";
-    final static private String                               GO_NAMESPACE_LIMIT_OPTION                                                     = "go_namespace";
-    final static private String                               GO_NAMESPACE_LIMIT_OPTION_MOLECULAR_FUNCTION                                  = "molecular_function";
-    final static private String                               GO_NAMESPACE_LIMIT_OPTION_BIOLOGICAL_PROCESS                                  = "biological_process";
-    final static private String                               GO_NAMESPACE_LIMIT_OPTION_CELLULAR_COMPONENT                                  = "cellular_component";
-    final static private String                               SECONDARY_FEATURES_PARSIMONY_MAP_FILE                                         = "secondary";
-    final static private String                               DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_TAB_DELIMITED                           = "simple_tab";
-    final static private String                               DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_HTML                                    = "simple_html";
-    final static private String                               DOMAIN_SIMILARITY_PRINT_OPTION_DETAILED_HTML                                  = "detailed_html";
-    final static private String                               DOMAIN_SIMILARITY_PRINT_OPTION                                                = "ds_output";
-    private static final PRINT_OPTION                         DOMAIN_SIMILARITY_PRINT_OPTION_DEFAULT                                        = PrintableDomainSimilarity.PRINT_OPTION.HTML;
-    final static private String                               IGNORE_DOMAINS_WITHOUT_COMBINATIONS_IN_ALL_SPECIES_OPTION                     = "ignore_singlet_domains";
-    final static private String                               IGNORE_VIRAL_IDS                                                              = "ignore_viral_ids";
-    final static private boolean                              IGNORE_DOMAINS_WITHOUT_COMBINATIONS_IN_ALL_SPECIES_DEFAULT                    = false;
-    final static private String                               IGNORE_DOMAINS_SPECIFIC_TO_ONE_SPECIES_OPTION                                 = "ignore_species_specific_domains";
-    final static private boolean                              IGNORE_DOMAINS_SPECIFIC_TO_ONE_SPECIES_OPTION_DEFAULT                         = false;
-    final static private String                               MATRIX_MEAN_SCORE_BASED_GENOME_DISTANCE_SUFFIX                                = "_mean_score.pwd";
-    final static private String                               MATRIX_SHARED_DOMAINS_BASED_GENOME_DISTANCE_SUFFIX                            = "_domains.pwd";
-    final static private String                               MATRIX_SHARED_BIN_COMBINATIONS_BASED_GENOME_DISTANCE_SUFFIX                   = "_bin_combinations.pwd";
-    final static private String                               NJ_TREE_MEAN_SCORE_BASED_GENOME_DISTANCE_SUFFIX                               = "_mean_score_NJ"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    final static private String                               NJ_TREE_SHARED_DOMAINS_BASED_GENOME_DISTANCE_SUFFIX                           = "_domains_NJ"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    final static private String                               NJ_TREE_SHARED_BIN_COMBINATIONS_BASED_GENOME_DISTANCE_SUFFIX                  = "_bin_combinations_NJ"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    final static private String                               FILTER_POSITIVE_OPTION                                                        = "pos_filter";
-    final static private String                               FILTER_NEGATIVE_OPTION                                                        = "neg_filter";
-    final static private String                               FILTER_NEGATIVE_DOMAINS_OPTION                                                = "neg_dom_filter";
-    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                                                                   = "2.280";
-    final static private String                               PRG_DATE                                                                      = "130701";
-    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;
-    final static private boolean                              IGNORE_COMBINATION_WITH_SAME_DEFAULLT                                         = false;
-    final static private double                               MAX_E_VALUE_DEFAULT                                                           = -1;
-    final static private int                                  MAX_ALLOWED_OVERLAP_DEFAULT                                                   = -1;
-    private static final String                               RANDOM_SEED_FOR_FITCH_PARSIMONY_OPTION                                        = "random_seed";
-    private static final String                               CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS                                      = "consider_bdc_direction";
-    private static final String                               CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS_AND_ADJACENCY                        = "consider_bdc_adj";
-    private static final String                               SEQ_EXTRACT_SUFFIX                                                            = ".prot";
-    private static final String                               PLUS_MINUS_ANALYSIS_OPTION                                                    = "plus_minus";
-    private static final String                               PLUS_MINUS_DOM_SUFFIX                                                         = "_plus_minus_dom.txt";
-    private static final String                               PLUS_MINUS_DOM_SUFFIX_HTML                                                    = "_plus_minus_dom.html";
-    private static final String                               PLUS_MINUS_DC_SUFFIX_HTML                                                     = "_plus_minus_dc.html";
-    private static final int                                  PLUS_MINUS_ANALYSIS_MIN_DIFF_DEFAULT                                          = 0;
-    private static final double                               PLUS_MINUS_ANALYSIS_FACTOR_DEFAULT                                            = 1.0;
-    private static final String                               PLUS_MINUS_ALL_GO_IDS_DOM_SUFFIX                                              = "_plus_minus_go_ids_all.txt";
-    private static final String                               PLUS_MINUS_PASSING_GO_IDS_DOM_SUFFIX                                          = "_plus_minus_go_ids_passing.txt";
-    private static final String                               OUTPUT_LIST_OF_ALL_PROTEINS_OPTIONS                                           = "all_prot";
-    final static private String                               OUTPUT_LIST_OF_ALL_PROTEINS_PER_DOMAIN_E_VALUE_OPTION                         = "all_prot_e";
-    private static final boolean                              VERBOSE                                                                       = false;
-    private static final String                               OUTPUT_DOMAIN_COMBINATIONS_GAINED_MORE_THAN_ONCE_ANALYSIS_SUFFIX              = "_fitch_dc_gains_counts";
-    private static final String                               OUTPUT_DOMAIN_COMBINATIONS_LOST_MORE_THAN_ONCE_ANALYSIS_SUFFIX                = "_fitch_dc_losses_counts";
-    private static final String                               DOMAIN_LENGTHS_ANALYSIS_SUFFIX                                                = "_domain_lengths_analysis";
-    private static final boolean                              PERFORM_DOMAIN_LENGTH_ANALYSIS                                                = true;
-    public static final String                                ALL_PFAMS_ENCOUNTERED_SUFFIX                                                  = "_all_encountered_pfams";
-    public static final String                                ALL_PFAMS_ENCOUNTERED_WITH_GO_ANNOTATION_SUFFIX                               = "_all_encountered_pfams_with_go_annotation";
-    public static final String                                ENCOUNTERED_PFAMS_SUMMARY_SUFFIX                                              = "_encountered_pfams_summary";
-    public static final String                                ALL_PFAMS_GAINED_AS_DOMAINS_SUFFIX                                            = "_all_pfams_gained_as_domains";
-    public static final String                                ALL_PFAMS_LOST_AS_DOMAINS_SUFFIX                                              = "_all_pfams_lost_as_domains";
-    public static final String                                ALL_PFAMS_GAINED_AS_DC_SUFFIX                                                 = "_all_pfams_gained_as_dc";
-    public static final String                                ALL_PFAMS_LOST_AS_DC_SUFFIX                                                   = "_all_pfams_lost_as_dc";
-    public static final String                                BASE_DIRECTORY_PER_NODE_DOMAIN_GAIN_LOSS_FILES                                = "PER_NODE_EVENTS";
-    public static final String                                BASE_DIRECTORY_PER_SUBTREE_DOMAIN_GAIN_LOSS_FILES                             = "PER_SUBTREE_EVENTS";
-    public static final String                                D_PROMISCUITY_FILE_SUFFIX                                                     = "_domain_promiscuities";
-    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";
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_OUTPUT_SUFFIX               = "_indep_dc_gains_fitch_lists_for_go_mapping.txt";
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_OUTPUT_UNIQUE_SUFFIX        = "_indep_dc_gains_fitch_lists_for_go_mapping_unique.txt";
-    public static final String                                LIMIT_SPEC_FOR_PROT_EX                                                        = null;                                                                                                                                                                                       // e.g. "HUMAN"; set to null for not using this feature (default).
-    public static final String                                BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH_MAPPED          = "_dc_MAPPED_secondary_features_fitch"
-                                                                                                                                                    + ForesterConstants.PHYLO_XML_SUFFIX;
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_COUNTS_MAPPED_OUTPUT_SUFFIX                   = "_indep_dc_gains_fitch_counts_MAPPED.txt";
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_MAPPED_OUTPUT_SUFFIX                       = "_indep_dc_gains_fitch_lists_MAPPED.txt";
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_MAPPED_OUTPUT_SUFFIX        = "_indep_dc_gains_fitch_lists_for_go_mapping_MAPPED.txt";
-    public static final String                                INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_MAPPED_OUTPUT_UNIQUE_SUFFIX = "_indep_dc_gains_fitch_lists_for_go_mapping_unique_MAPPED.txt";
-
-    private static void checkWriteabilityForPairwiseComparisons( final PrintableDomainSimilarity.PRINT_OPTION domain_similarity_print_option,
-                                                                 final String[][] input_file_properties,
-                                                                 final String automated_pairwise_comparison_suffix,
-                                                                 final File outdir ) {
-        for( int i = 0; i < input_file_properties.length; ++i ) {
-            for( int j = 0; j < i; ++j ) {
-                final String species_i = input_file_properties[ i ][ 1 ];
-                final String species_j = input_file_properties[ j ][ 1 ];
-                String pairwise_similarities_output_file_str = PAIRWISE_DOMAIN_COMPARISONS_PREFIX + species_i + "_"
-                        + species_j + automated_pairwise_comparison_suffix;
-                switch ( domain_similarity_print_option ) {
-                    case HTML:
-                        if ( !pairwise_similarities_output_file_str.endsWith( ".html" ) ) {
-                            pairwise_similarities_output_file_str += ".html";
-                        }
-                        break;
-                }
-                final String error = ForesterUtil
-                        .isWritableFile( new File( outdir == null ? pairwise_similarities_output_file_str : outdir
-                                + ForesterUtil.FILE_SEPARATOR + pairwise_similarities_output_file_str ) );
-                if ( !ForesterUtil.isEmpty( error ) ) {
-                    ForesterUtil.fatalError( surfacing.PRG_NAME, error );
-                }
-            }
-        }
-    }
-
-    private static StringBuilder createParametersAsString( final boolean ignore_dufs,
-                                                           final double e_value_max,
-                                                           final int max_allowed_overlap,
-                                                           final boolean no_engulfing_overlaps,
-                                                           final File cutoff_scores_file,
-                                                           final BinaryDomainCombination.DomainCombinationType dc_type ) {
-        final StringBuilder parameters_sb = new StringBuilder();
-        parameters_sb.append( "E-value: " + e_value_max );
-        if ( cutoff_scores_file != null ) {
-            parameters_sb.append( ", Cutoff-scores-file: " + cutoff_scores_file );
-        }
-        else {
-            parameters_sb.append( ", Cutoff-scores-file: not-set" );
-        }
-        if ( max_allowed_overlap != surfacing.MAX_ALLOWED_OVERLAP_DEFAULT ) {
-            parameters_sb.append( ", Max-overlap: " + max_allowed_overlap );
-        }
-        else {
-            parameters_sb.append( ", Max-overlap: not-set" );
-        }
-        if ( no_engulfing_overlaps ) {
-            parameters_sb.append( ", Engulfing-overlaps: not-allowed" );
-        }
-        else {
-            parameters_sb.append( ", Engulfing-overlaps: allowed" );
-        }
-        if ( ignore_dufs ) {
-            parameters_sb.append( ", Ignore-dufs: true" );
-        }
-        else {
-            parameters_sb.append( ", Ignore-dufs: false" );
-        }
-        parameters_sb.append( ", DC type (if applicable): " + dc_type );
-        return parameters_sb;
-    }
-
-    /**
-     * Warning: This side-effects 'all_bin_domain_combinations_encountered'!
-     * 
-     * 
-     * @param output_file
-     * @param all_bin_domain_combinations_changed
-     * @param sum_of_all_domains_encountered
-     * @param all_bin_domain_combinations_encountered
-     * @param is_gains_analysis
-     * @param protein_length_stats_by_dc 
-     * @throws IOException
-     */
-    private static void executeFitchGainsAnalysis( final File output_file,
-                                                   final List<BinaryDomainCombination> all_bin_domain_combinations_changed,
-                                                   final int sum_of_all_domains_encountered,
-                                                   final SortedSet<BinaryDomainCombination> all_bin_domain_combinations_encountered,
-                                                   final boolean is_gains_analysis ) throws IOException {
-        SurfacingUtil.checkForOutputFileWriteability( output_file );
-        final Writer out = ForesterUtil.createBufferedWriter( output_file );
-        final SortedMap<Object, Integer> bdc_to_counts = ForesterUtil
-                .listToSortedCountsMap( all_bin_domain_combinations_changed );
-        final SortedSet<String> all_domains_in_combination_changed_more_than_once = new TreeSet<String>();
-        final SortedSet<String> all_domains_in_combination_changed_only_once = new TreeSet<String>();
-        int above_one = 0;
-        int one = 0;
-        for( final Object bdc_object : bdc_to_counts.keySet() ) {
-            final BinaryDomainCombination bdc = ( BinaryDomainCombination ) bdc_object;
-            final int count = bdc_to_counts.get( bdc_object );
-            if ( count < 1 ) {
-                ForesterUtil.unexpectedFatalError( PRG_NAME, "count < 1 " );
-            }
-            out.write( bdc + "\t" + count + ForesterUtil.LINE_SEPARATOR );
-            if ( count > 1 ) {
-                all_domains_in_combination_changed_more_than_once.add( bdc.getId0() );
-                all_domains_in_combination_changed_more_than_once.add( bdc.getId1() );
-                above_one++;
-            }
-            else if ( count == 1 ) {
-                all_domains_in_combination_changed_only_once.add( bdc.getId0() );
-                all_domains_in_combination_changed_only_once.add( bdc.getId1() );
-                one++;
-            }
-        }
-        final int all = all_bin_domain_combinations_encountered.size();
-        int never_lost = -1;
-        if ( !is_gains_analysis ) {
-            all_bin_domain_combinations_encountered.removeAll( all_bin_domain_combinations_changed );
-            never_lost = all_bin_domain_combinations_encountered.size();
-            for( final BinaryDomainCombination bdc : all_bin_domain_combinations_encountered ) {
-                out.write( bdc + "\t" + "0" + ForesterUtil.LINE_SEPARATOR );
-            }
-        }
-        if ( is_gains_analysis ) {
-            out.write( "Sum of all distinct domain combinations appearing once               : " + one
-                    + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domain combinations appearing more than once     : " + above_one
-                    + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domains in combinations apppearing only once     : "
-                    + all_domains_in_combination_changed_only_once.size() + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domains in combinations apppearing more than once: "
-                    + all_domains_in_combination_changed_more_than_once.size() + ForesterUtil.LINE_SEPARATOR );
-        }
-        else {
-            out.write( "Sum of all distinct domain combinations never lost                   : " + never_lost
-                    + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domain combinations lost once                    : " + one
-                    + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domain combinations lost more than once          : " + above_one
-                    + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domains in combinations lost only once           : "
-                    + all_domains_in_combination_changed_only_once.size() + ForesterUtil.LINE_SEPARATOR );
-            out.write( "Sum of all distinct domains in combinations lost more than once: "
-                    + all_domains_in_combination_changed_more_than_once.size() + ForesterUtil.LINE_SEPARATOR );
-        }
-        out.write( "All binary combinations                                              : " + all
-                + ForesterUtil.LINE_SEPARATOR );
-        out.write( "All domains                                                          : "
-                + sum_of_all_domains_encountered );
-        out.close();
-        ForesterUtil.programMessage( surfacing.PRG_NAME,
-                                     "Wrote fitch domain combination dynamics counts analysis to \"" + output_file
-                                             + "\"" );
-    }
-
-    private static void executePlusMinusAnalysis( final File output_file,
-                                                  final List<String> plus_minus_analysis_high_copy_base,
-                                                  final List<String> plus_minus_analysis_high_copy_target,
-                                                  final List<String> plus_minus_analysis_low_copy,
-                                                  final List<GenomeWideCombinableDomains> gwcd_list,
-                                                  final SortedMap<Species, List<Protein>> protein_lists_per_species,
-                                                  final Map<String, List<GoId>> domain_id_to_go_ids_map,
-                                                  final Map<GoId, GoTerm> go_id_to_term_map,
-                                                  final List<Object> plus_minus_analysis_numbers ) {
-        final Set<String> all_spec = new HashSet<String>();
-        for( final GenomeWideCombinableDomains gwcd : gwcd_list ) {
-            all_spec.add( gwcd.getSpecies().getSpeciesId() );
-        }
-        final File html_out_dom = new File( output_file + PLUS_MINUS_DOM_SUFFIX_HTML );
-        final File plain_out_dom = new File( output_file + PLUS_MINUS_DOM_SUFFIX );
-        final File html_out_dc = new File( output_file + PLUS_MINUS_DC_SUFFIX_HTML );
-        final File all_domains_go_ids_out_dom = new File( output_file + PLUS_MINUS_ALL_GO_IDS_DOM_SUFFIX );
-        final File passing_domains_go_ids_out_dom = new File( output_file + PLUS_MINUS_PASSING_GO_IDS_DOM_SUFFIX );
-        final File proteins_file_base = new File( output_file + "" );
-        final int min_diff = ( ( Integer ) plus_minus_analysis_numbers.get( 0 ) ).intValue();
-        final double factor = ( ( Double ) plus_minus_analysis_numbers.get( 1 ) ).doubleValue();
-        try {
-            DomainCountsDifferenceUtil.calculateCopyNumberDifferences( gwcd_list,
-                                                                       protein_lists_per_species,
-                                                                       plus_minus_analysis_high_copy_base,
-                                                                       plus_minus_analysis_high_copy_target,
-                                                                       plus_minus_analysis_low_copy,
-                                                                       min_diff,
-                                                                       factor,
-                                                                       plain_out_dom,
-                                                                       html_out_dom,
-                                                                       html_out_dc,
-                                                                       domain_id_to_go_ids_map,
-                                                                       go_id_to_term_map,
-                                                                       all_domains_go_ids_out_dom,
-                                                                       passing_domains_go_ids_out_dom,
-                                                                       proteins_file_base );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getLocalizedMessage() );
-        }
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote plus minus domain analysis results to \""
-                + html_out_dom + "\"" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote plus minus domain analysis results to \""
-                + plain_out_dom + "\"" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote plus minus domain analysis results to \"" + html_out_dc
-                + "\"" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote plus minus domain analysis based passing GO ids to \""
-                + passing_domains_go_ids_out_dom + "\"" );
-        ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote plus minus domain analysis based all GO ids to \""
-                + all_domains_go_ids_out_dom + "\"" );
-    }
-
-    private static Phylogeny[] getIntrees( final File[] intree_files,
-                                           final int number_of_genomes,
-                                           final String[][] input_file_properties ) {
-        final Phylogeny[] intrees = new Phylogeny[ intree_files.length ];
-        int i = 0;
-        for( final File intree_file : intree_files ) {
-            Phylogeny intree = null;
-            final String error = ForesterUtil.isReadableFile( intree_file );
-            if ( !ForesterUtil.isEmpty( error ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "cannot read input tree file [" + intree_file + "]: "
-                        + error );
-            }
-            try {
-                final Phylogeny[] p_array = ParserBasedPhylogenyFactory.getInstance()
-                        .create( intree_file, ParserUtils.createParserDependingOnFileType( intree_file, true ) );
-                if ( p_array.length < 1 ) {
-                    ForesterUtil.fatalError( surfacing.PRG_NAME, "file [" + intree_file
-                            + "] does not contain any phylogeny in phyloXML format" );
-                }
-                else if ( p_array.length > 1 ) {
-                    ForesterUtil.fatalError( surfacing.PRG_NAME, "file [" + intree_file
-                            + "] contains more than one phylogeny in phyloXML format" );
-                }
-                intree = p_array[ 0 ];
-            }
-            catch ( final Exception e ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "failed to read input tree from file [" + intree_file
-                        + "]: " + error );
-            }
-            if ( ( intree == null ) || intree.isEmpty() ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "input tree [" + intree_file + "] is empty" );
-            }
-            if ( !intree.isRooted() ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "input tree [" + intree_file + "] is not rooted" );
-            }
-            if ( intree.getNumberOfExternalNodes() < number_of_genomes ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                         "number of external nodes [" + intree.getNumberOfExternalNodes()
-                                                 + "] of input tree [" + intree_file
-                                                 + "] is smaller than the number of genomes the be analyzed ["
-                                                 + number_of_genomes + "]" );
-            }
-            final StringBuilder parent_names = new StringBuilder();
-            final int nodes_lacking_name = SurfacingUtil.getNumberOfNodesLackingName( intree, parent_names );
-            if ( nodes_lacking_name > 0 ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "input tree [" + intree_file + "] has "
-                        + nodes_lacking_name + " node(s) lacking a name [parent names:" + parent_names + "]" );
-            }
-            preparePhylogenyForParsimonyAnalyses( intree, input_file_properties );
-            if ( !intree.isCompletelyBinary() ) {
-                ForesterUtil.printWarningMessage( surfacing.PRG_NAME, "input tree [" + intree_file
-                        + "] is not completely binary" );
-            }
-            intrees[ i++ ] = intree;
-        }
-        return intrees;
-    }
-
-    private static void log( final String msg, final Writer w ) {
-        try {
-            w.write( msg );
-            w.write( ForesterUtil.LINE_SEPARATOR );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getLocalizedMessage() );
-        }
-    }
+    public final static String                                      PRG_NAME                                                                      = "surfacing";
+    public static final String                                      DOMAINS_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                                    = "_d_dollo"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      DOMAINS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH                                    = "_d_fitch"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                 = "_dc_dollo"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH                 = "_dc_fitch"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      NEXUS_EXTERNAL_DOMAINS                                                        = "_dom.nex";
+    public static final String                                      NEXUS_EXTERNAL_DOMAIN_COMBINATIONS                                            = "_dc.nex";
+    public static final String                                      NEXUS_SECONDARY_FEATURES                                                      = "_secondary_features.nex";
+    public static final String                                      PARSIMONY_OUTPUT_GL_SUFFIX_DOLLO_SECONDARY_FEATURES                           = "_dollo_gl_secondary_features";
+    public static final String                                      PARSIMONY_OUTPUT_GL_COUNTS_SUFFIX_DOLLO_SECONDARY_FEATURES                    = "_dollo_glc_secondary_features";
+    public static final String                                      PARSIMONY_OUTPUT_DOLLO_GAINS_SECONDARY_FEATURES                               = "_dollo_gains_secondary_features";
+    public static final String                                      PARSIMONY_OUTPUT_DOLLO_LOSSES_SECONDARY_FEATURES                              = "_dollo_losses_secondary_features";
+    public static final String                                      PARSIMONY_OUTPUT_DOLLO_PRESENT_SECONDARY_FEATURES                             = "_dollo_present_secondary_features";
+    public static final String                                      SECONDARY_FEATURES_PARSIMONY_TREE_OUTPUT_SUFFIX_DOLLO                         = "_secondary_features_dollo"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      PARSIMONY_OUTPUT_DOLLO_ALL_GOID_D_ALL_NAMESPACES                              = "_dollo_goid_d";
+    public static final String                                      PARSIMONY_OUTPUT_FITCH_ALL_GOID_BC_ALL_NAMESPACES                             = "_fitch_goid_dc";
+    final static private String                                     HELP_OPTION_1                                                                 = "help";
+    final static private String                                     HELP_OPTION_2                                                                 = "h";
+    final static private String                                     OUTPUT_DIR_OPTION                                                             = "out_dir";
+    final static private String                                     SCORING_OPTION                                                                = "scoring";
+    private static final DomainSimilarityScoring                    SCORING_DEFAULT                                                               = DomainSimilarity.DomainSimilarityScoring.COMBINATIONS;
+    final static private String                                     SCORING_DOMAIN_COUNT_BASED                                                    = "domains";
+    final static private String                                     SCORING_PROTEIN_COUNT_BASED                                                   = "proteins";
+    final static private String                                     SCORING_COMBINATION_BASED                                                     = "combinations";
+    final static private String                                     DETAILEDNESS_OPTION                                                           = "detail";
+    private final static Detailedness                               DETAILEDNESS_DEFAULT                                                          = DomainSimilarityCalculator.Detailedness.PUNCTILIOUS;
+    final static private String                                     SPECIES_MATRIX_OPTION                                                         = "smatrix";
+    final static private String                                     DETAILEDNESS_BASIC                                                            = "basic";
+    final static private String                                     DETAILEDNESS_LIST_IDS                                                         = "list_ids";
+    final static private String                                     DETAILEDNESS_PUNCTILIOUS                                                      = "punctilious";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_OPTION                                                 = "sort";
+    private static final DomainSimilarity.DomainSimilaritySortField DOMAIN_SORT_FILD_DEFAULT                                                      = DomainSimilarity.DomainSimilaritySortField.DOMAIN_ID;
+    final static private String                                     DOMAIN_SIMILARITY_SORT_MIN                                                    = "min";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_MAX                                                    = "max";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_SD                                                     = "sd";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_MEAN                                                   = "mean";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_DIFF                                                   = "diff";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_COUNTS_DIFF                                            = "count_diff";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_ABS_COUNTS_DIFF                                        = "abs_count_diff";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_SPECIES_COUNT                                          = "species";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_ALPHA                                                  = "alpha";
+    final static private String                                     DOMAIN_SIMILARITY_SORT_BY_SPECIES_COUNT_FIRST_OPTION                          = "species_first";
+    final static private String                                     DOMAIN_COUNT_SORT_OPTION                                                      = "dc_sort";
+    private static final GenomeWideCombinableDomainsSortOrder       DOMAINS_SORT_ORDER_DEFAULT                                                    = GenomeWideCombinableDomains.GenomeWideCombinableDomainsSortOrder.ALPHABETICAL_KEY_ID;
+    final static private String                                     DOMAIN_COUNT_SORT_ALPHA                                                       = "alpha";
+    final static private String                                     DOMAIN_COUNT_SORT_KEY_DOMAIN_COUNT                                            = "dom";
+    final static private String                                     DOMAIN_COUNT_SORT_KEY_DOMAIN_PROTEINS_COUNT                                   = "prot";
+    final static private String                                     DOMAIN_COUNT_SORT_COMBINATIONS_COUNT                                          = "comb";
+    final static private String                                     CUTOFF_SCORE_FILE_OPTION                                                      = "cos";
+    final static private String                                     NOT_IGNORE_DUFS_OPTION                                                        = "dufs";
+    final static private String                                     MAX_E_VALUE_OPTION                                                            = "e";
+    final static private String                                     MAX_ALLOWED_OVERLAP_OPTION                                                    = "mo";
+    final static private String                                     NO_ENGULFING_OVERLAP_OPTION                                                   = "no_eo";
+    final static private String                                     IGNORE_COMBINATION_WITH_SAME_OPTION                                           = "ignore_self_comb";
+    final static private String                                     PERFORM_DC_REGAIN_PROTEINS_STATS_OPTION                                       = "dc_regain_stats";
+    final static private String                                     DA_ANALYSIS_OPTION                                                            = "DA_analyis";
+    final static private String                                     USE_LAST_IN_FITCH_OPTION                                                      = "last";
+    public final static String                                      PAIRWISE_DOMAIN_COMPARISONS_PREFIX                                            = "pwc_";
+    final static private String                                     PAIRWISE_DOMAIN_COMPARISONS_OPTION                                            = "pwc";
+    final static private String                                     OUTPUT_FILE_OPTION                                                            = "o";
+    final static private String                                     PFAM_TO_GO_FILE_USE_OPTION                                                    = "p2g";
+    final static private String                                     GO_OBO_FILE_USE_OPTION                                                        = "obo";
+    final static private String                                     GO_NAMESPACE_LIMIT_OPTION                                                     = "go_namespace";
+    final static private String                                     GO_NAMESPACE_LIMIT_OPTION_MOLECULAR_FUNCTION                                  = "molecular_function";
+    final static private String                                     GO_NAMESPACE_LIMIT_OPTION_BIOLOGICAL_PROCESS                                  = "biological_process";
+    final static private String                                     GO_NAMESPACE_LIMIT_OPTION_CELLULAR_COMPONENT                                  = "cellular_component";
+    final static private String                                     SECONDARY_FEATURES_PARSIMONY_MAP_FILE                                         = "secondary";
+    final static private String                                     DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_TAB_DELIMITED                           = "simple_tab";
+    final static private String                                     DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_HTML                                    = "simple_html";
+    final static private String                                     DOMAIN_SIMILARITY_PRINT_OPTION_DETAILED_HTML                                  = "detailed_html";
+    final static private String                                     DOMAIN_SIMILARITY_PRINT_OPTION                                                = "ds_output";
+    private static final PRINT_OPTION                               DOMAIN_SIMILARITY_PRINT_OPTION_DEFAULT                                        = DomainSimilarity.PRINT_OPTION.HTML;
+    final static private String                                     IGNORE_DOMAINS_WITHOUT_COMBINATIONS_IN_ALL_SPECIES_OPTION                     = "ignore_singlet_domains";
+    final static private String                                     IGNORE_VIRAL_IDS                                                              = "ignore_viral_ids";
+    final static private boolean                                    IGNORE_DOMAINS_WITHOUT_COMBINATIONS_IN_ALL_SPECIES_DEFAULT                    = false;
+    final static private String                                     IGNORE_DOMAINS_SPECIFIC_TO_ONE_SPECIES_OPTION                                 = "ignore_species_specific_domains";
+    final static private boolean                                    IGNORE_DOMAINS_SPECIFIC_TO_ONE_SPECIES_OPTION_DEFAULT                         = false;
+    final static private String                                     MATRIX_MEAN_SCORE_BASED_GENOME_DISTANCE_SUFFIX                                = "_mean_score.pwd";
+    final static private String                                     MATRIX_SHARED_DOMAINS_BASED_GENOME_DISTANCE_SUFFIX                            = "_domains.pwd";
+    final static private String                                     MATRIX_SHARED_BIN_COMBINATIONS_BASED_GENOME_DISTANCE_SUFFIX                   = "_bin_combinations.pwd";
+    final static private String                                     NJ_TREE_MEAN_SCORE_BASED_GENOME_DISTANCE_SUFFIX                               = "_mean_score_NJ"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    final static private String                                     NJ_TREE_SHARED_DOMAINS_BASED_GENOME_DISTANCE_SUFFIX                           = "_domains_NJ"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    final static private String                                     NJ_TREE_SHARED_BIN_COMBINATIONS_BASED_GENOME_DISTANCE_SUFFIX                  = "_bin_combinations_NJ"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    final static private String                                     FILTER_POSITIVE_OPTION                                                        = "pos_filter";
+    final static private String                                     FILTER_NEGATIVE_OPTION                                                        = "neg_filter";
+    final static private String                                     FILTER_NEGATIVE_DOMAINS_OPTION                                                = "neg_dom_filter";
+    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                                                                   = "2.400";
+    final static private String                                     PRG_DATE                                                                      = "131106";
+    final static private String                                     E_MAIL                                                                        = "czmasek@burnham.org";
+    final static private String                                     WWW                                                                           = "https://sites.google.com/site/cmzmasek/home/software/forester/surfacing";
+    final static private boolean                                    IGNORE_DUFS_DEFAULT                                                           = true;
+    final static private boolean                                    IGNORE_COMBINATION_WITH_SAME_DEFAULLT                                         = false;
+    final static private double                                     MAX_E_VALUE_DEFAULT                                                           = -1;
+    public final static int                                         MAX_ALLOWED_OVERLAP_DEFAULT                                                   = -1;
+    private static final String                                     RANDOM_SEED_FOR_FITCH_PARSIMONY_OPTION                                        = "random_seed";
+    private static final String                                     CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS                                      = "consider_bdc_direction";
+    private static final String                                     CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS_AND_ADJACENCY                        = "consider_bdc_adj";
+    public static final String                                      SEQ_EXTRACT_SUFFIX                                                            = ".prot";
+    public static final String                                      PLUS_MINUS_ANALYSIS_OPTION                                                    = "plus_minus";
+    public static final String                                      PLUS_MINUS_DOM_SUFFIX                                                         = "_plus_minus_dom.txt";
+    public static final String                                      PLUS_MINUS_DOM_SUFFIX_HTML                                                    = "_plus_minus_dom.html";
+    public static final String                                      PLUS_MINUS_DC_SUFFIX_HTML                                                     = "_plus_minus_dc.html";
+    public static final int                                         PLUS_MINUS_ANALYSIS_MIN_DIFF_DEFAULT                                          = 0;
+    public static final double                                      PLUS_MINUS_ANALYSIS_FACTOR_DEFAULT                                            = 1.0;
+    public static final String                                      PLUS_MINUS_ALL_GO_IDS_DOM_SUFFIX                                              = "_plus_minus_go_ids_all.txt";
+    public static final String                                      PLUS_MINUS_PASSING_GO_IDS_DOM_SUFFIX                                          = "_plus_minus_go_ids_passing.txt";
+    private static final String                                     OUTPUT_LIST_OF_ALL_PROTEINS_OPTIONS                                           = "all_prot";
+    final static private String                                     OUTPUT_LIST_OF_ALL_PROTEINS_PER_DOMAIN_E_VALUE_OPTION                         = "all_prot_e";
+    public static final boolean                                     VERBOSE                                                                       = false;
+    private static final String                                     OUTPUT_DOMAIN_COMBINATIONS_GAINED_MORE_THAN_ONCE_ANALYSIS_SUFFIX              = "_fitch_dc_gains_counts";
+    private static final String                                     OUTPUT_DOMAIN_COMBINATIONS_LOST_MORE_THAN_ONCE_ANALYSIS_SUFFIX                = "_fitch_dc_losses_counts";
+    private static final String                                     DOMAIN_LENGTHS_ANALYSIS_SUFFIX                                                = "_domain_lengths_analysis";
+    private static final boolean                                    PERFORM_DOMAIN_LENGTH_ANALYSIS                                                = true;
+    public static final String                                      ALL_PFAMS_ENCOUNTERED_SUFFIX                                                  = "_all_encountered_pfams";
+    public static final String                                      ALL_PFAMS_ENCOUNTERED_WITH_GO_ANNOTATION_SUFFIX                               = "_all_encountered_pfams_with_go_annotation";
+    public static final String                                      ENCOUNTERED_PFAMS_SUMMARY_SUFFIX                                              = "_encountered_pfams_summary";
+    public static final String                                      ALL_PFAMS_GAINED_AS_DOMAINS_SUFFIX                                            = "_all_pfams_gained_as_domains";
+    public static final String                                      ALL_PFAMS_LOST_AS_DOMAINS_SUFFIX                                              = "_all_pfams_lost_as_domains";
+    public static final String                                      ALL_PFAMS_GAINED_AS_DC_SUFFIX                                                 = "_all_pfams_gained_as_dc";
+    public static final String                                      ALL_PFAMS_LOST_AS_DC_SUFFIX                                                   = "_all_pfams_lost_as_dc";
+    public static final String                                      BASE_DIRECTORY_PER_NODE_DOMAIN_GAIN_LOSS_FILES                                = "PER_NODE_EVENTS";
+    public static final String                                      BASE_DIRECTORY_PER_SUBTREE_DOMAIN_GAIN_LOSS_FILES                             = "PER_SUBTREE_EVENTS";
+    public static final String                                      D_PROMISCUITY_FILE_SUFFIX                                                     = "_domain_promiscuities";
+    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";
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_OUTPUT_SUFFIX               = "_indep_dc_gains_fitch_lists_for_go_mapping.txt";
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_OUTPUT_UNIQUE_SUFFIX        = "_indep_dc_gains_fitch_lists_for_go_mapping_unique.txt";
+    public static final String                                      LIMIT_SPEC_FOR_PROT_EX                                                        = null;                                                                                                                                                                                       // e.g. "HUMAN"; set to null for not using this feature (default).
+    public static final String                                      BINARY_DOMAIN_COMBINATIONS_PARSIMONY_TREE_OUTPUT_SUFFIX_FITCH_MAPPED          = "_dc_MAPPED_secondary_features_fitch"
+                                                                                                                                                          + ForesterConstants.PHYLO_XML_SUFFIX;
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_COUNTS_MAPPED_OUTPUT_SUFFIX                   = "_indep_dc_gains_fitch_counts_MAPPED.txt";
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_DC_MAPPED_OUTPUT_SUFFIX                       = "_indep_dc_gains_fitch_lists_MAPPED.txt";
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_MAPPED_OUTPUT_SUFFIX        = "_indep_dc_gains_fitch_lists_for_go_mapping_MAPPED.txt";
+    public static final String                                      INDEPENDENT_DC_GAINS_FITCH_PARS_DC_FOR_GO_MAPPING_MAPPED_OUTPUT_UNIQUE_SUFFIX = "_indep_dc_gains_fitch_lists_for_go_mapping_unique_MAPPED.txt";
+    private static final boolean                                    CALC_SIMILARITY_SCORES                                                        = false;
 
     public static void main( final String args[] ) {
         final long start_time = new Date().getTime();
@@ -600,9 +321,6 @@ public class surfacing {
         allowed_options.add( surfacing.PAIRWISE_DOMAIN_COMPARISONS_OPTION );
         allowed_options.add( surfacing.IGNORE_DOMAINS_WITHOUT_COMBINATIONS_IN_ALL_SPECIES_OPTION );
         allowed_options.add( surfacing.CONSIDER_DOMAIN_COMBINATION_DIRECTEDNESS );
-        //allowed_options.add( JACKNIFE_OPTION );
-        // allowed_options.add( JACKNIFE_RANDOM_SEED_OPTION );
-        // allowed_options.add( JACKNIFE_RATIO_OPTION );
         allowed_options.add( INPUT_SPECIES_TREE_OPTION );
         allowed_options.add( FILTER_POSITIVE_OPTION );
         allowed_options.add( FILTER_NEGATIVE_OPTION );
@@ -687,6 +405,10 @@ public class surfacing {
         if ( cla.isOptionSet( surfacing.IGNORE_DOMAINS_SPECIFIC_TO_ONE_SPECIES_OPTION ) ) {
             ignore_species_specific_domains = true;
         }
+        if ( !cla.isOptionValueSet( surfacing.INPUT_SPECIES_TREE_OPTION ) ) {
+            ForesterUtil.fatalError( surfacing.PRG_NAME, "no input species tree file given: "
+                    + surfacing.INPUT_SPECIES_TREE_OPTION + "=<file>" );
+        }
         File output_file = null;
         if ( cla.isOptionSet( surfacing.OUTPUT_FILE_OPTION ) ) {
             if ( !cla.isOptionValueSet( surfacing.OUTPUT_FILE_OPTION ) ) {
@@ -798,11 +520,11 @@ public class surfacing {
         final List<String> plus_minus_analysis_high_copy_target_species = new ArrayList<String>();
         final List<String> plus_minus_analysis_high_low_copy_species = new ArrayList<String>();
         final List<Object> plus_minus_analysis_numbers = new ArrayList<Object>();
-        processPlusMinusAnalysisOption( cla,
-                                        plus_minus_analysis_high_copy_base_species,
-                                        plus_minus_analysis_high_copy_target_species,
-                                        plus_minus_analysis_high_low_copy_species,
-                                        plus_minus_analysis_numbers );
+        SurfacingUtil.processPlusMinusAnalysisOption( cla,
+                                                      plus_minus_analysis_high_copy_base_species,
+                                                      plus_minus_analysis_high_copy_target_species,
+                                                      plus_minus_analysis_high_low_copy_species,
+                                                      plus_minus_analysis_numbers );
         File input_genomes_file = null;
         if ( cla.isOptionSet( surfacing.INPUT_GENOMES_FILE_OPTION ) ) {
             if ( !cla.isOptionValueSet( surfacing.INPUT_GENOMES_FILE_OPTION ) ) {
@@ -979,7 +701,7 @@ public class surfacing {
                         + ">\"" );
             }
         }
-        PrintableDomainSimilarity.PRINT_OPTION domain_similarity_print_option = DOMAIN_SIMILARITY_PRINT_OPTION_DEFAULT;
+        DomainSimilarity.PRINT_OPTION domain_similarity_print_option = DOMAIN_SIMILARITY_PRINT_OPTION_DEFAULT;
         if ( cla.isOptionSet( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION ) ) {
             if ( !cla.isOptionValueSet( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION ) ) {
                 ForesterUtil.fatalError( surfacing.PRG_NAME, "no value for print option: -"
@@ -989,13 +711,13 @@ public class surfacing {
             }
             final String sort = cla.getOptionValue( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION ).toLowerCase();
             if ( sort.equals( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION_DETAILED_HTML ) ) {
-                domain_similarity_print_option = PrintableDomainSimilarity.PRINT_OPTION.HTML;
+                domain_similarity_print_option = DomainSimilarity.PRINT_OPTION.HTML;
             }
             else if ( sort.equals( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_HTML ) ) {
                 ForesterUtil.fatalError( surfacing.PRG_NAME, "simple HTML output not implemented yet :(" );
             }
             else if ( sort.equals( surfacing.DOMAIN_SIMILARITY_PRINT_OPTION_SIMPLE_TAB_DELIMITED ) ) {
-                domain_similarity_print_option = PrintableDomainSimilarity.PRINT_OPTION.SIMPLE_TAB_DELIMITED;
+                domain_similarity_print_option = DomainSimilarity.PRINT_OPTION.SIMPLE_TAB_DELIMITED;
             }
             else {
                 ForesterUtil.fatalError( surfacing.PRG_NAME, "unknown value \"" + sort + "\" for print option: -"
@@ -1034,7 +756,7 @@ public class surfacing {
                         + surfacing.DOMAIN_COUNT_SORT_COMBINATIONS_COUNT + ">\"" );
             }
         }
-        final String[][] input_file_properties = processInputGenomesFile( input_genomes_file );
+        final String[][] input_file_properties = SurfacingUtil.processInputGenomesFile( input_genomes_file );
         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" );
@@ -1044,10 +766,10 @@ public class surfacing {
                     + surfacing.PAIRWISE_DOMAIN_COMPARISONS_OPTION
                     + "=<suffix> to turn on pairwise analyses with less than three input files" );
         }
-        checkWriteabilityForPairwiseComparisons( domain_similarity_print_option,
-                                                 input_file_properties,
-                                                 automated_pairwise_comparison_suffix,
-                                                 out_dir );
+        SurfacingUtil.checkWriteabilityForPairwiseComparisons( domain_similarity_print_option,
+                                                               input_file_properties,
+                                                               automated_pairwise_comparison_suffix,
+                                                               out_dir );
         for( int i = 0; i < number_of_genomes; i++ ) {
             File dcc_outfile = new File( input_file_properties[ i ][ 1 ]
                     + surfacing.DOMAIN_COMBINITON_COUNTS_OUTPUTFILE_SUFFIX );
@@ -1181,8 +903,9 @@ public class surfacing {
                 intree_files = new File[ 1 ];
                 intree_files[ 0 ] = new File( intrees_str );
             }
-            intrees = getIntrees( intree_files, number_of_genomes, input_file_properties );
+            intrees = SurfacingUtil.obtainAndPreProcessIntrees( intree_files, number_of_genomes, input_file_properties );
         }
+        final Phylogeny intree_0_orig = SurfacingUtil.obtainFirstIntree( intree_files[ 0 ] );
         long random_number_seed_for_fitch_parsimony = 0l;
         boolean radomize_fitch_parsimony = false;
         if ( cla.isOptionSet( surfacing.RANDOM_SEED_FOR_FITCH_PARSIMONY_OPTION ) ) {
@@ -1204,13 +927,13 @@ public class surfacing {
                 || ( negative_domains_filter_file != null ) ) {
             filter = new TreeSet<String>();
             if ( positive_filter_file != null ) {
-                processFilter( positive_filter_file, filter );
+                SurfacingUtil.processFilter( positive_filter_file, filter );
             }
             else if ( negative_filter_file != null ) {
-                processFilter( negative_filter_file, filter );
+                SurfacingUtil.processFilter( negative_filter_file, filter );
             }
             else if ( negative_domains_filter_file != null ) {
-                processFilter( negative_domains_filter_file, filter );
+                SurfacingUtil.processFilter( negative_domains_filter_file, filter );
             }
         }
         Map<String, Set<String>>[] domain_id_to_secondary_features_maps = null;
@@ -1625,7 +1348,7 @@ public class surfacing {
         if ( need_protein_lists_per_species ) {
             protein_lists_per_species = new TreeMap<Species, List<Protein>>();
         }
-        final List<GenomeWideCombinableDomains> gwcd_list = new ArrayList<GenomeWideCombinableDomains>( number_of_genomes );
+        List<GenomeWideCombinableDomains> gwcd_list = new ArrayList<GenomeWideCombinableDomains>( number_of_genomes );
         final SortedSet<String> all_domains_encountered = new TreeSet<String>();
         final SortedSet<BinaryDomainCombination> all_bin_domain_combinations_encountered = new TreeSet<BinaryDomainCombination>();
         List<BinaryDomainCombination> all_bin_domain_combinations_gained_fitch = null;
@@ -1634,7 +1357,7 @@ public class surfacing {
             all_bin_domain_combinations_gained_fitch = new ArrayList<BinaryDomainCombination>();
             all_bin_domain_combinations_lost_fitch = new ArrayList<BinaryDomainCombination>();
         }
-        final DomainLengthsTable domain_lengths_table = new DomainLengthsTable();
+        DomainLengthsTable domain_lengths_table = new DomainLengthsTable();
         final File per_genome_domain_promiscuity_statistics_file = new File( out_dir + ForesterUtil.FILE_SEPARATOR
                 + output_file + D_PROMISCUITY_FILE_SUFFIX );
         BufferedWriter per_genome_domain_promiscuity_statistics_writer = null;
@@ -1711,11 +1434,11 @@ public class surfacing {
         for( int i = 0; i < number_of_genomes; ++i ) {
             System.out.println();
             System.out.println( ( i + 1 ) + "/" + number_of_genomes );
-            log( ( i + 1 ) + "/" + number_of_genomes, log_writer );
+            SurfacingUtil.log( ( i + 1 ) + "/" + number_of_genomes, log_writer );
             System.out.println( "Processing                                     : " + input_file_properties[ i ][ 1 ]
                     + " [" + input_file_properties[ i ][ 0 ] + "]" );
-            log( "Genome                                         : " + input_file_properties[ i ][ 1 ] + " ["
-                    + input_file_properties[ i ][ 0 ] + "]", log_writer );
+            SurfacingUtil.log( "Genome                                         : " + input_file_properties[ i ][ 1 ]
+                    + " [" + input_file_properties[ i ][ 0 ] + "]", log_writer );
             HmmscanPerDomainTableParser parser = null;
             INDIVIDUAL_SCORE_CUTOFF ind_score_cutoff = INDIVIDUAL_SCORE_CUTOFF.NONE;
             if ( individual_score_cutoffs != null ) {
@@ -1786,81 +1509,77 @@ public class surfacing {
                                                                        distinct_domain_architecuture_counts );
             }
             System.out.println( "Number of proteins encountered                 : " + parser.getProteinsEncountered() );
-            log( "Number of proteins encountered                 : " + parser.getProteinsEncountered(), log_writer );
+            SurfacingUtil.log( "Number of proteins encountered                 : " + parser.getProteinsEncountered(),
+                               log_writer );
             System.out.println( "Number of proteins stored                      : " + protein_list.size() );
-            log( "Number of proteins stored                      : " + protein_list.size(), log_writer );
+            SurfacingUtil.log( "Number of proteins stored                      : " + protein_list.size(), log_writer );
             System.out.println( "Coverage                                       : "
                     + ForesterUtil.roundToInt( 100.0 * coverage ) + "%" );
-            log( "Coverage                                       : " + ForesterUtil.roundToInt( 100.0 * coverage )
-                    + "%", log_writer );
+            SurfacingUtil.log( "Coverage                                       : "
+                                       + ForesterUtil.roundToInt( 100.0 * coverage ) + "%",
+                               log_writer );
             System.out.println( "Domains encountered                            : " + parser.getDomainsEncountered() );
-            log( "Domains encountered                            : " + parser.getDomainsEncountered(), log_writer );
+            SurfacingUtil.log( "Domains encountered                            : " + parser.getDomainsEncountered(),
+                               log_writer );
             System.out.println( "Domains stored                                 : " + parser.getDomainsStored() );
-            log( "Domains stored                                 : " + parser.getDomainsStored(), log_writer );
+            SurfacingUtil.log( "Domains stored                                 : " + parser.getDomainsStored(),
+                               log_writer );
             System.out.println( "Distinct domains stored                        : "
                     + parser.getDomainsStoredSet().size() );
-            log( "Distinct domains stored                        : " + parser.getDomainsStoredSet().size(), log_writer );
+            SurfacingUtil.log( "Distinct domains stored                        : "
+                    + parser.getDomainsStoredSet().size(), log_writer );
             System.out.println( "Domains ignored due to individual score cutoffs: "
                     + parser.getDomainsIgnoredDueToIndividualScoreCutoff() );
-            log( "Domains ignored due to individual score cutoffs: "
-                         + parser.getDomainsIgnoredDueToIndividualScoreCutoff(),
-                 log_writer );
+            SurfacingUtil.log( "Domains ignored due to individual score cutoffs: "
+                                       + parser.getDomainsIgnoredDueToIndividualScoreCutoff(),
+                               log_writer );
             System.out.println( "Domains ignored due to E-value                 : "
                     + parser.getDomainsIgnoredDueToEval() );
-            log( "Domains ignored due to E-value                 : " + parser.getDomainsIgnoredDueToEval(), log_writer );
+            SurfacingUtil.log( "Domains ignored due to E-value                 : "
+                                       + parser.getDomainsIgnoredDueToEval(),
+                               log_writer );
             System.out.println( "Domains ignored due to DUF designation         : "
                     + parser.getDomainsIgnoredDueToDuf() );
-            log( "Domains ignored due to DUF designation         : " + parser.getDomainsIgnoredDueToDuf(), log_writer );
+            SurfacingUtil
+                    .log( "Domains ignored due to DUF designation         : " + parser.getDomainsIgnoredDueToDuf(),
+                          log_writer );
             if ( ignore_virus_like_ids ) {
                 System.out.println( "Domains ignored due virus like ids             : "
                         + parser.getDomainsIgnoredDueToVirusLikeIds() );
-                log( "Domains ignored due virus like ids             : " + parser.getDomainsIgnoredDueToVirusLikeIds(),
-                     log_writer );
+                SurfacingUtil.log( "Domains ignored due virus like ids             : "
+                                           + parser.getDomainsIgnoredDueToVirusLikeIds(),
+                                   log_writer );
             }
             System.out.println( "Domains ignored due negative domain filter     : "
                     + parser.getDomainsIgnoredDueToNegativeDomainFilter() );
-            log( "Domains ignored due negative domain filter     : "
-                         + parser.getDomainsIgnoredDueToNegativeDomainFilter(),
-                 log_writer );
+            SurfacingUtil.log( "Domains ignored due negative domain filter     : "
+                                       + parser.getDomainsIgnoredDueToNegativeDomainFilter(),
+                               log_writer );
             System.out.println( "Domains ignored due to overlap                 : "
                     + parser.getDomainsIgnoredDueToOverlap() );
-            log( "Domains ignored due to overlap                 : " + parser.getDomainsIgnoredDueToOverlap(),
-                 log_writer );
+            SurfacingUtil.log( "Domains ignored due to overlap                 : "
+                                       + parser.getDomainsIgnoredDueToOverlap(),
+                               log_writer );
             if ( negative_filter_file != null ) {
                 System.out.println( "Proteins ignored due to negative filter        : "
                         + parser.getProteinsIgnoredDueToFilter() );
-                log( "Proteins ignored due to negative filter        : " + parser.getProteinsIgnoredDueToFilter(),
-                     log_writer );
+                SurfacingUtil.log( "Proteins ignored due to negative filter        : "
+                                           + parser.getProteinsIgnoredDueToFilter(),
+                                   log_writer );
             }
             if ( positive_filter_file != null ) {
                 System.out.println( "Proteins ignored due to positive filter        : "
                         + parser.getProteinsIgnoredDueToFilter() );
-                log( "Proteins ignored due to positive filter        : " + parser.getProteinsIgnoredDueToFilter(),
-                     log_writer );
+                SurfacingUtil.log( "Proteins ignored due to positive filter        : "
+                                           + parser.getProteinsIgnoredDueToFilter(),
+                                   log_writer );
             }
             if ( da_analysis ) {
                 System.out.println( "Distinct domain architectures stored           : " + distinct_das );
-                log( "Distinct domain architectures stored           : " + distinct_das, log_writer );
+                SurfacingUtil.log( "Distinct domain architectures stored           : " + distinct_das, log_writer );
             }
             System.out.println( "Time for processing                            : " + parser.getTime() + "ms" );
-            log( "", log_writer );
-            html_desc.append( "<tr><td>" + input_file_properties[ i ][ 0 ] + " [species: "
-                    + input_file_properties[ i ][ 1 ] + "]" + ":</td><td>domains analyzed: "
-                    + parser.getDomainsStored() + "; domains ignored: [ind score cutoffs: "
-                    + parser.getDomainsIgnoredDueToIndividualScoreCutoff() + "] [E-value cutoff: "
-                    + parser.getDomainsIgnoredDueToEval() + "] [DUF: " + parser.getDomainsIgnoredDueToDuf()
-                    + "] [virus like ids: " + parser.getDomainsIgnoredDueToVirusLikeIds()
-                    + "] [negative domain filter: " + parser.getDomainsIgnoredDueToNegativeDomainFilter()
-                    + "] [overlap: " + parser.getDomainsIgnoredDueToOverlap() + "]" );
-            if ( negative_filter_file != null ) {
-                html_desc.append( "; proteins ignored due to negative filter: "
-                        + parser.getProteinsIgnoredDueToFilter() );
-            }
-            if ( positive_filter_file != null ) {
-                html_desc.append( "; proteins ignored due to positive filter: "
-                        + parser.getProteinsIgnoredDueToFilter() );
-            }
-            html_desc.append( "</td></tr>" + nl );
+            SurfacingUtil.log( "", log_writer );
             try {
                 int count = 0;
                 for( final Protein protein : protein_list ) {
@@ -1973,7 +1692,7 @@ public class surfacing {
             domains_per_potein_stats_writer.write( all_genomes_domains_per_potein_stats.getMax() + "" );
             domains_per_potein_stats_writer.write( "\n" );
             domains_per_potein_stats_writer.close();
-            printOutPercentageOfMultidomainProteins( all_genomes_domains_per_potein_histo, log_writer );
+            SurfacingUtil.printOutPercentageOfMultidomainProteins( all_genomes_domains_per_potein_histo, log_writer );
             ForesterUtil.map2file( new File( out_dir + ForesterUtil.FILE_SEPARATOR + output_file
                     + "_all_genomes_domains_per_potein_histo.txt" ), all_genomes_domains_per_potein_histo, "\t", "\n" );
             ForesterUtil.collection2file( new File( out_dir + ForesterUtil.FILE_SEPARATOR + output_file
@@ -1989,10 +1708,14 @@ public class surfacing {
             ForesterUtil.programMessage( PRG_NAME, "Range of proteins with a least one domain assigned: "
                     + ( 100 * protein_coverage_stats.getMin() ) + "%-" + ( 100 * protein_coverage_stats.getMax() )
                     + "%" );
-            log( "Average of prot with a least one dom assigned  : " + ( 100 * protein_coverage_stats.arithmeticMean() )
-                    + "% (+/-" + ( 100 * protein_coverage_stats.sampleStandardDeviation() ) + "%)", log_writer );
-            log( "Range of prot with a least one dom assigned    : " + ( 100 * protein_coverage_stats.getMin() ) + "%-"
-                    + ( 100 * protein_coverage_stats.getMax() ) + "%", log_writer );
+            SurfacingUtil.log( "Average of prot with a least one dom assigned  : "
+                                       + ( 100 * protein_coverage_stats.arithmeticMean() ) + "% (+/-"
+                                       + ( 100 * protein_coverage_stats.sampleStandardDeviation() ) + "%)",
+                               log_writer );
+            SurfacingUtil.log( "Range of prot with a least one dom assigned    : "
+                                       + ( 100 * protein_coverage_stats.getMin() ) + "%-"
+                                       + ( 100 * protein_coverage_stats.getMax() ) + "%",
+                               log_writer );
         }
         catch ( final IOException e2 ) {
             ForesterUtil.fatalError( surfacing.PRG_NAME, e2.getLocalizedMessage() );
@@ -2029,12 +1752,13 @@ public class surfacing {
             ForesterUtil.programMessage( PRG_NAME, "Wrote domain length data to: " + domain_lengths_analysis_outfile );
             System.out.println();
         }
+        domain_lengths_table = null;
         final long analysis_start_time = new Date().getTime();
         PairwiseDomainSimilarityCalculator pw_calc = null;
-        // double[] values_for_all_scores_histogram = null;
         final DomainSimilarityCalculator calc = new BasicDomainSimilarityCalculator( domain_similarity_sort_field,
                                                                                      sort_by_species_count_first,
-                                                                                     number_of_genomes == 2 );
+                                                                                     number_of_genomes == 2,
+                                                                                     CALC_SIMILARITY_SCORES );
         switch ( scoring ) {
             case COMBINATIONS:
                 pw_calc = new CombinationsBasedPairwiseDomainSimilarityCalculator();
@@ -2057,11 +1781,7 @@ public class surfacing {
                                         gwcd_list,
                                         ignore_domains_without_combs_in_all_spec,
                                         ignore_species_specific_domains );
-        SurfacingUtil.decoratePrintableDomainSimilarities( similarities,
-                                                           detailedness,
-                                                           go_annotation_output,
-                                                           go_id_to_term_map,
-                                                           go_namespace_limit );
+        SurfacingUtil.decoratePrintableDomainSimilarities( similarities, detailedness );
         final Map<String, Integer> tax_code_to_id_map = SurfacingUtil.createTaxCodeToIdMap( intrees[ 0 ] );
         try {
             String my_outfile = output_file.toString();
@@ -2072,7 +1792,7 @@ public class surfacing {
                     my_outfile = my_outfile.substring( 0, my_outfile.length() - 5 );
                 }
                 split_writers = new HashMap<Character, Writer>();
-                createSplitWriters( out_dir, my_outfile, split_writers );
+                SurfacingUtil.createSplitWriters( out_dir, my_outfile, split_writers );
             }
             else if ( !my_outfile.endsWith( ".html" ) ) {
                 my_outfile += ".html";
@@ -2093,19 +1813,23 @@ 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 );
-            final DescriptiveStatistics pw_stats = SurfacingUtil
-                    .writeDomainSimilaritiesToFile( html_desc,
-                                                    new StringBuilder( number_of_genomes + " genomes" ),
-                                                    writer,
-                                                    split_writers,
-                                                    similarities,
-                                                    number_of_genomes == 2,
-                                                    species_order,
-                                                    domain_similarity_print_option,
-                                                    domain_similarity_sort_field,
-                                                    scoring,
-                                                    true,
-                                                    tax_code_to_id_map );
+            final Writer simple_tab_writer = new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR
+                    + my_outfile + ".tsv" ) );
+            SurfacingUtil.writeDomainSimilaritiesToFile( html_desc,
+                                                         new StringBuilder( number_of_genomes + " genomes" ),
+                                                         simple_tab_writer,
+                                                         writer,
+                                                         split_writers,
+                                                         similarities,
+                                                         number_of_genomes == 2,
+                                                         species_order,
+                                                         domain_similarity_print_option,
+                                                         scoring,
+                                                         true,
+                                                         tax_code_to_id_map,
+                                                         intree_0_orig,
+                                                         positive_filter_file != null ? filter : null );
+            simple_tab_writer.close();
             ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote main output (includes domain similarities) to: \""
                     + ( out_dir == null ? my_outfile : out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile ) + "\"" );
         }
@@ -2142,7 +1866,9 @@ public class surfacing {
                                              surfacing.PRG_NAME,
                                              out_dir,
                                              write_pwc_files,
-                                             tax_code_to_id_map );
+                                             tax_code_to_id_map,
+                                             CALC_SIMILARITY_SCORES,
+                                             intree_0_orig );
             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( '.' ) );
@@ -2178,15 +1904,15 @@ public class surfacing {
             output_file = new File( out_dir + ForesterUtil.FILE_SEPARATOR + output_file );
         }
         if ( write_to_nexus ) {
-            writePresentToNexus( output_file, positive_filter_file, filter, gwcd_list );
+            SurfacingUtil.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,
-                                                                          max_allowed_overlap,
-                                                                          no_engulfing_overlaps,
-                                                                          cutoff_scores_file,
-                                                                          dc_type );
+            final StringBuilder parameters_sb = SurfacingUtil.createParametersAsString( ignore_dufs,
+                                                                                        e_value_max,
+                                                                                        max_allowed_overlap,
+                                                                                        no_engulfing_overlaps,
+                                                                                        cutoff_scores_file,
+                                                                                        dc_type );
             String s = "_";
             if ( radomize_fitch_parsimony ) {
                 s += random_number_seed_for_fitch_parsimony + "_";
@@ -2260,30 +1986,32 @@ public class surfacing {
             } // for( final Phylogeny intree : intrees ) {
         }
         if ( plus_minus_analysis_high_copy_base_species.size() > 0 ) {
-            executePlusMinusAnalysis( output_file,
-                                      plus_minus_analysis_high_copy_base_species,
-                                      plus_minus_analysis_high_copy_target_species,
-                                      plus_minus_analysis_high_low_copy_species,
-                                      gwcd_list,
-                                      protein_lists_per_species,
-                                      domain_id_to_go_ids_map,
-                                      go_id_to_term_map,
-                                      plus_minus_analysis_numbers );
+            SurfacingUtil.executePlusMinusAnalysis( output_file,
+                                                    plus_minus_analysis_high_copy_base_species,
+                                                    plus_minus_analysis_high_copy_target_species,
+                                                    plus_minus_analysis_high_low_copy_species,
+                                                    gwcd_list,
+                                                    protein_lists_per_species,
+                                                    domain_id_to_go_ids_map,
+                                                    go_id_to_term_map,
+                                                    plus_minus_analysis_numbers );
         }
         if ( output_protein_lists_for_all_domains ) {
-            writeProteinListsForAllSpecies( out_dir,
-                                            protein_lists_per_species,
-                                            gwcd_list,
-                                            output_list_of_all_proteins_per_domain_e_value_max );
+            SurfacingUtil.writeProteinListsForAllSpecies( out_dir,
+                                                          protein_lists_per_species,
+                                                          gwcd_list,
+                                                          output_list_of_all_proteins_per_domain_e_value_max );
         }
+        gwcd_list = null;
         if ( all_bin_domain_combinations_gained_fitch != null ) {
             try {
-                executeFitchGainsAnalysis( new File( output_file
-                                                   + surfacing.OUTPUT_DOMAIN_COMBINATIONS_GAINED_MORE_THAN_ONCE_ANALYSIS_SUFFIX ),
-                                           all_bin_domain_combinations_gained_fitch,
-                                           all_domains_encountered.size(),
-                                           all_bin_domain_combinations_encountered,
-                                           true );
+                SurfacingUtil
+                        .executeFitchGainsAnalysis( new File( output_file
+                                                            + surfacing.OUTPUT_DOMAIN_COMBINATIONS_GAINED_MORE_THAN_ONCE_ANALYSIS_SUFFIX ),
+                                                    all_bin_domain_combinations_gained_fitch,
+                                                    all_domains_encountered.size(),
+                                                    all_bin_domain_combinations_encountered,
+                                                    true );
             }
             catch ( final IOException e ) {
                 ForesterUtil.fatalError( PRG_NAME, e.getLocalizedMessage() );
@@ -2291,12 +2019,13 @@ public class surfacing {
         }
         if ( all_bin_domain_combinations_lost_fitch != null ) {
             try {
-                executeFitchGainsAnalysis( new File( output_file
-                                                   + surfacing.OUTPUT_DOMAIN_COMBINATIONS_LOST_MORE_THAN_ONCE_ANALYSIS_SUFFIX ),
-                                           all_bin_domain_combinations_lost_fitch,
-                                           all_domains_encountered.size(),
-                                           all_bin_domain_combinations_encountered,
-                                           false );
+                SurfacingUtil
+                        .executeFitchGainsAnalysis( new File( output_file
+                                                            + surfacing.OUTPUT_DOMAIN_COMBINATIONS_LOST_MORE_THAN_ONCE_ANALYSIS_SUFFIX ),
+                                                    all_bin_domain_combinations_lost_fitch,
+                                                    all_domains_encountered.size(),
+                                                    all_bin_domain_combinations_encountered,
+                                                    false );
             }
             catch ( final IOException e ) {
                 ForesterUtil.fatalError( PRG_NAME, e.getLocalizedMessage() );
@@ -2316,130 +2045,6 @@ public class surfacing {
         System.out.println();
     }
 
-    private static void createSplitWriters( final File out_dir,
-                                            final String my_outfile,
-                                            final Map<Character, Writer> split_writers ) throws IOException {
-        split_writers.put( 'a', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_A.html" ) ) );
-        split_writers.put( 'b', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_B.html" ) ) );
-        split_writers.put( 'c', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_C.html" ) ) );
-        split_writers.put( 'd', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_D.html" ) ) );
-        split_writers.put( 'e', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_E.html" ) ) );
-        split_writers.put( 'f', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_F.html" ) ) );
-        split_writers.put( 'g', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_G.html" ) ) );
-        split_writers.put( 'h', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_H.html" ) ) );
-        split_writers.put( 'i', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_I.html" ) ) );
-        split_writers.put( 'j', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_J.html" ) ) );
-        split_writers.put( 'k', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_K.html" ) ) );
-        split_writers.put( 'l', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_L.html" ) ) );
-        split_writers.put( 'm', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_M.html" ) ) );
-        split_writers.put( 'n', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_N.html" ) ) );
-        split_writers.put( 'o', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_O.html" ) ) );
-        split_writers.put( 'p', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_P.html" ) ) );
-        split_writers.put( 'q', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_Q.html" ) ) );
-        split_writers.put( 'r', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_R.html" ) ) );
-        split_writers.put( 's', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_S.html" ) ) );
-        split_writers.put( 't', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_T.html" ) ) );
-        split_writers.put( 'u', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_U.html" ) ) );
-        split_writers.put( 'v', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_V.html" ) ) );
-        split_writers.put( 'w', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_W.html" ) ) );
-        split_writers.put( 'x', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_X.html" ) ) );
-        split_writers.put( 'y', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_Y.html" ) ) );
-        split_writers.put( 'z', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_Z.html" ) ) );
-        split_writers.put( '0', new BufferedWriter( new FileWriter( out_dir + ForesterUtil.FILE_SEPARATOR + my_outfile
-                + "_domains_0.html" ) ) );
-    }
-
-    private static void printOutPercentageOfMultidomainProteins( final SortedMap<Integer, Integer> all_genomes_domains_per_potein_histo,
-                                                                 final Writer log_writer ) {
-        int sum = 0;
-        for( final Entry<Integer, Integer> entry : all_genomes_domains_per_potein_histo.entrySet() ) {
-            sum += entry.getValue();
-        }
-        final double percentage = ( 100.0 * ( sum - all_genomes_domains_per_potein_histo.get( 1 ) ) ) / sum;
-        ForesterUtil.programMessage( PRG_NAME, "Percentage of multidomain proteins: " + percentage + "%" );
-        log( "Percentage of multidomain proteins:            : " + percentage + "%", log_writer );
-    }
-
-    private static void preparePhylogenyForParsimonyAnalyses( final Phylogeny intree,
-                                                              final String[][] input_file_properties ) {
-        final String[] genomes = new String[ input_file_properties.length ];
-        for( int i = 0; i < input_file_properties.length; ++i ) {
-            if ( intree.getNodes( input_file_properties[ i ][ 1 ] ).size() > 1 ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "node named [" + input_file_properties[ i ][ 1 ]
-                        + "] is not unique in input tree " + intree.getName() );
-            }
-            genomes[ i ] = input_file_properties[ i ][ 1 ];
-        }
-        //
-        final PhylogenyNodeIterator it = intree.iteratorPostorder();
-        while ( it.hasNext() ) {
-            final PhylogenyNode n = it.next();
-            if ( ForesterUtil.isEmpty( n.getName() ) ) {
-                if ( n.getNodeData().isHasTaxonomy()
-                        && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getTaxonomyCode() ) ) {
-                    n.setName( n.getNodeData().getTaxonomy().getTaxonomyCode() );
-                }
-                else if ( n.getNodeData().isHasTaxonomy()
-                        && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getScientificName() ) ) {
-                    n.setName( n.getNodeData().getTaxonomy().getScientificName() );
-                }
-                else if ( n.getNodeData().isHasTaxonomy()
-                        && !ForesterUtil.isEmpty( n.getNodeData().getTaxonomy().getCommonName() ) ) {
-                    n.setName( n.getNodeData().getTaxonomy().getCommonName() );
-                }
-                else {
-                    ForesterUtil
-                            .fatalError( surfacing.PRG_NAME,
-                                         "node with no name, scientific name, common name, or taxonomy code present" );
-                }
-            }
-        }
-        //
-        final List<String> igns = PhylogenyMethods.deleteExternalNodesPositiveSelection( genomes, intree );
-        if ( igns.size() > 0 ) {
-            System.out.println( "Not using the following " + igns.size() + " nodes:" );
-            for( int i = 0; i < igns.size(); ++i ) {
-                System.out.println( " " + i + ": " + igns.get( i ) );
-            }
-            System.out.println( "--" );
-        }
-        for( final String[] input_file_propertie : input_file_properties ) {
-            try {
-                intree.getNode( input_file_propertie[ 1 ] );
-            }
-            catch ( final IllegalArgumentException e ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "node named [" + input_file_propertie[ 1 ]
-                        + "] not present/not unique in input tree" );
-            }
-        }
-    }
-
     private static void printHelp() {
         System.out.println();
         System.out.println( "Usage:" );
@@ -2521,7 +2126,7 @@ public class surfacing {
         System.out.println( surfacing.USE_LAST_IN_FITCH_OPTION + ": to use last in Fitch parsimony" );
         System.out.println( surfacing.WRITE_TO_NEXUS_OPTION + ": to output in Nexus format" );
         System.out.println( PERFORM_DC_REGAIN_PROTEINS_STATS_OPTION + ": to perform DC regain protein statistics" );
-        System.out.println( DA_ANALYSIS_OPTION + ": to DA analysis" );
+        System.out.println( DA_ANALYSIS_OPTION + ": to do DA analysis" );
         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"
@@ -2535,204 +2140,4 @@ public class surfacing {
                 + "-ds_output=detailed_html -scoring=domains -sort=alpha " );
         System.out.println();
     }
-
-    private static void processFilter( final File filter_file, final SortedSet<String> filter ) {
-        SortedSet<String> filter_str = null;
-        try {
-            filter_str = ForesterUtil.file2set( filter_file );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        if ( filter_str != null ) {
-            for( final String string : filter_str ) {
-                filter.add( string );
-            }
-        }
-        if ( VERBOSE ) {
-            System.out.println( "Filter:" );
-            for( final String domainId : filter ) {
-                System.out.println( domainId );
-            }
-        }
-    }
-
-    private static String[][] processInputGenomesFile( final File input_genomes ) {
-        String[][] input_file_properties = null;
-        try {
-            input_file_properties = ForesterUtil.file22dArray( input_genomes );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                     "genomes files is to be in the following format \"<hmmpfam output file> <species>\": "
-                                             + e.getLocalizedMessage() );
-        }
-        final Set<String> specs = new HashSet<String>();
-        final Set<String> paths = new HashSet<String>();
-        for( int i = 0; i < input_file_properties.length; ++i ) {
-            if ( !PhyloXmlUtil.TAXOMONY_CODE_PATTERN.matcher( input_file_properties[ i ][ 1 ] ).matches() ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "illegal format for species code: "
-                        + input_file_properties[ i ][ 1 ] );
-            }
-            if ( specs.contains( input_file_properties[ i ][ 1 ] ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "species code " + input_file_properties[ i ][ 1 ]
-                        + " is not unique" );
-            }
-            specs.add( input_file_properties[ i ][ 1 ] );
-            if ( paths.contains( input_file_properties[ i ][ 0 ] ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "path " + input_file_properties[ i ][ 0 ]
-                        + " is not unique" );
-            }
-            paths.add( input_file_properties[ i ][ 0 ] );
-            final String error = ForesterUtil.isReadableFile( new File( input_file_properties[ i ][ 0 ] ) );
-            if ( !ForesterUtil.isEmpty( error ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, error );
-            }
-        }
-        return input_file_properties;
-    }
-
-    private static void processPlusMinusAnalysisOption( final CommandLineArguments cla,
-                                                        final List<String> high_copy_base,
-                                                        final List<String> high_copy_target,
-                                                        final List<String> low_copy,
-                                                        final List<Object> numbers ) {
-        if ( cla.isOptionSet( surfacing.PLUS_MINUS_ANALYSIS_OPTION ) ) {
-            if ( !cla.isOptionValueSet( surfacing.PLUS_MINUS_ANALYSIS_OPTION ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "no value for 'plus-minus' file: -"
-                        + surfacing.PLUS_MINUS_ANALYSIS_OPTION + "=<file>" );
-            }
-            final File plus_minus_file = new File( cla.getOptionValue( surfacing.PLUS_MINUS_ANALYSIS_OPTION ) );
-            final String msg = ForesterUtil.isReadableFile( plus_minus_file );
-            if ( !ForesterUtil.isEmpty( msg ) ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, "can not read from \"" + plus_minus_file + "\": " + msg );
-            }
-            processPlusMinusFile( plus_minus_file, high_copy_base, high_copy_target, low_copy, numbers );
-        }
-    }
-
-    // First numbers is minimal difference, second is factor.
-    private static void processPlusMinusFile( final File plus_minus_file,
-                                              final List<String> high_copy_base,
-                                              final List<String> high_copy_target,
-                                              final List<String> low_copy,
-                                              final List<Object> numbers ) {
-        Set<String> species_set = null;
-        int min_diff = PLUS_MINUS_ANALYSIS_MIN_DIFF_DEFAULT;
-        double factor = PLUS_MINUS_ANALYSIS_FACTOR_DEFAULT;
-        try {
-            species_set = ForesterUtil.file2set( plus_minus_file );
-        }
-        catch ( final IOException e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getMessage() );
-        }
-        if ( species_set != null ) {
-            for( final String species : species_set ) {
-                final String species_trimmed = species.substring( 1 );
-                if ( species.startsWith( "+" ) ) {
-                    if ( low_copy.contains( species_trimmed ) ) {
-                        ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                                 "species/genome names can not appear with both '+' and '-' suffix, as appears the case for: \""
-                                                         + species_trimmed + "\"" );
-                    }
-                    high_copy_base.add( species_trimmed );
-                }
-                else if ( species.startsWith( "*" ) ) {
-                    if ( low_copy.contains( species_trimmed ) ) {
-                        ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                                 "species/genome names can not appear with both '*' and '-' suffix, as appears the case for: \""
-                                                         + species_trimmed + "\"" );
-                    }
-                    high_copy_target.add( species_trimmed );
-                }
-                else if ( species.startsWith( "-" ) ) {
-                    if ( high_copy_base.contains( species_trimmed ) || high_copy_target.contains( species_trimmed ) ) {
-                        ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                                 "species/genome names can not appear with both '+' or '*' and '-' suffix, as appears the case for: \""
-                                                         + species_trimmed + "\"" );
-                    }
-                    low_copy.add( species_trimmed );
-                }
-                else if ( species.startsWith( "$D" ) ) {
-                    try {
-                        min_diff = Integer.parseInt( species.substring( 3 ) );
-                    }
-                    catch ( final NumberFormatException e ) {
-                        ForesterUtil.fatalError( surfacing.PRG_NAME,
-                                                 "could not parse integer value for minimal difference from: \""
-                                                         + species.substring( 3 ) + "\"" );
-                    }
-                }
-                else if ( species.startsWith( "$F" ) ) {
-                    try {
-                        factor = Double.parseDouble( species.substring( 3 ) );
-                    }
-                    catch ( final NumberFormatException e ) {
-                        ForesterUtil.fatalError( surfacing.PRG_NAME, "could not parse double value for factor from: \""
-                                + species.substring( 3 ) + "\"" );
-                    }
-                }
-                else if ( species.startsWith( "#" ) ) {
-                    // Comment, ignore.
-                }
-                else {
-                    ForesterUtil
-                            .fatalError( surfacing.PRG_NAME,
-                                         "species/genome names in 'plus minus' file must begin with '*' (high copy target genome), '+' (high copy base genomes), '-' (low copy genomes), '$D=<integer>' minimal Difference (default is 1), '$F=<double>' factor (default is 1.0), double), or '#' (ignore) suffix, encountered: \""
-                                                 + species + "\"" );
-                }
-                numbers.add( new Integer( min_diff + "" ) );
-                numbers.add( new Double( factor + "" ) );
-            }
-        }
-        else {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, "'plus minus' file [" + plus_minus_file + "] appears empty" );
-        }
-    }
-
-    private static void writePresentToNexus( final File output_file,
-                                             final File positive_filter_file,
-                                             final SortedSet<String> filter,
-                                             final List<GenomeWideCombinableDomains> gwcd_list ) {
-        try {
-            SurfacingUtil
-                    .writeMatrixToFile( DomainParsimonyCalculator
-                            .createMatrixOfDomainPresenceOrAbsence( gwcd_list, positive_filter_file == null ? null
-                                    : filter ), output_file + DOMAINS_PRESENT_NEXUS, Format.NEXUS_BINARY );
-            SurfacingUtil.writeMatrixToFile( DomainParsimonyCalculator
-                    .createMatrixOfBinaryDomainCombinationPresenceOrAbsence( gwcd_list ), output_file
-                    + BDC_PRESENT_NEXUS, Format.NEXUS_BINARY );
-        }
-        catch ( final Exception e ) {
-            ForesterUtil.fatalError( surfacing.PRG_NAME, e.getLocalizedMessage() );
-        }
-    }
-
-    private static void writeProteinListsForAllSpecies( final File output_dir,
-                                                        final SortedMap<Species, List<Protein>> protein_lists_per_species,
-                                                        final List<GenomeWideCombinableDomains> gwcd_list,
-                                                        final double domain_e_cutoff ) {
-        final SortedSet<String> all_domains = new TreeSet<String>();
-        for( final GenomeWideCombinableDomains gwcd : gwcd_list ) {
-            all_domains.addAll( gwcd.getAllDomainIds() );
-        }
-        for( final String domain : all_domains ) {
-            final File out = new File( output_dir + ForesterUtil.FILE_SEPARATOR + domain + SEQ_EXTRACT_SUFFIX );
-            SurfacingUtil.checkForOutputFileWriteability( out );
-            try {
-                final Writer proteins_file_writer = new BufferedWriter( new FileWriter( out ) );
-                SurfacingUtil.extractProteinNames( protein_lists_per_species,
-                                                   domain,
-                                                   proteins_file_writer,
-                                                   "\t",
-                                                   LIMIT_SPEC_FOR_PROT_EX,
-                                                   domain_e_cutoff );
-                proteins_file_writer.close();
-            }
-            catch ( final IOException e ) {
-                ForesterUtil.fatalError( surfacing.PRG_NAME, e.getLocalizedMessage() );
-            }
-            ForesterUtil.programMessage( surfacing.PRG_NAME, "Wrote proteins list to \"" + out + "\"" );
-        }
-    }
 }