X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FAAFrequency.java;h=03cdc15ecba02e2bd677df853c65d177a99aa922;hb=7bc226b58110fa26d9dbd3f0c78095d06909ffc3;hp=c61e7ef43b2da5375135442df1f7a9e651e7e191;hpb=bec86286aeecc7008a006e56efe3816a509cc593;p=jalview.git diff --git a/src/jalview/analysis/AAFrequency.java b/src/jalview/analysis/AAFrequency.java index c61e7ef..03cdc15 100755 --- a/src/jalview/analysis/AAFrequency.java +++ b/src/jalview/analysis/AAFrequency.java @@ -1,386 +1,156 @@ +/* + * Jalview - A Sequence Alignment Editor and Viewer + * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ package jalview.analysis; -import jalview.jbgui.*; -import jalview.datamodel.*; -import jalview.io.*; -import jalview.analysis.*; - -import java.awt.*; -import java.applet.Applet; import java.util.*; -import java.net.*; -import java.io.*; - -public class AAFrequency { - - // Takes in a vector of sequences and column start and column end - // and returns a vector of size (end-start+1). Each element of the - // vector contains a hashtable with the keys being residues and - // the values being the count of each residue in that column. - // This class is used extensively in calculating alignment colourschemes - // that depend on the amount of conservation in each alignment column. - - public static Vector calculate(Vector sequences,int start,int end) { - Vector result = new Vector(); +import jalview.datamodel.*; - for (int i = start;i <= end; i++) +/** + * Takes in a vector or array of sequences and column start and column end + * and returns a new Hashtable[] of size maxSeqLength, if Hashtable not supplied. + * This class is used extensively in calculating alignment colourschemes + * that depend on the amount of conservation in each alignment column. + * @author $author$ + * @version $Revision$ + */ +public class AAFrequency +{ + //No need to store 1000s of strings which are not + //visible to the user. + public static final String MAXCOUNT = "C"; + public static final String MAXRESIDUE = "R"; + public static final String PID_GAPS = "G"; + public static final String PID_NOGAPS = "N"; + + public static final Hashtable[] calculate(Vector sequences, int start, + int end) + { + SequenceI[] seqs = new SequenceI[sequences.size()]; + int width = 0; + for (int i = 0; i < sequences.size(); i++) { - - Hashtable residueHash = new Hashtable(); - int maxCount = 0; - String maxResidue = "-"; - int nongap = 0; - for (int j=0; j < sequences.size(); j++) + seqs[i] = (SequenceI) sequences.elementAt(i); + if (seqs[i].getLength() > width) { - - if (sequences.elementAt(j) instanceof Sequence) - { - Sequence s = (Sequence)sequences.elementAt(j); - - if (s.getSequence().length() > i) - { - - String res = s.getSequence().charAt(i)+""; - - if (!jalview.util.Comparison.isGap(res.charAt(0))) - nongap++; - - if (residueHash.containsKey(res)) - { - - int count = ((Integer)residueHash.get(res)).intValue() ; - count++; - - if (!jalview.util.Comparison.isGap(res.charAt(0)) && count >= maxCount) - { - - if(count>maxCount) - maxResidue = res; - else if(maxResidue.indexOf(res)==-1) - maxResidue += res; - - maxCount = count; - } - - residueHash.put(res,new Integer(count)); - } - else - residueHash.put(res,new Integer(1)); - - - } - else - { - if (residueHash.containsKey("-")) - { - int count = ((Integer)residueHash.get("-")).intValue() ; - count++; - residueHash.put("-",new Integer(count)); - } - else - residueHash.put("-",new Integer(1)); - - } - } + width = seqs[i].getLength(); } - - residueHash.put("maxCount",new Integer(maxCount)); - if(maxCount<0) - System.out.println("asasa "+maxCount); - residueHash.put("maxResidue", maxResidue); - residueHash.put("size", new Integer(sequences.size())); - residueHash.put("nongap", new Integer(nongap)); - result.addElement(residueHash); - } - - return result; - } - - public static Vector calculatePID(SequenceI refseq,Vector sequences,int window,int start,int end) { - - Vector result = new Vector(); - - boolean init = true; - - - Vector prev = null; - - for (int i = start;i <= end; i++) { - Vector values = new Vector(); - - result.addElement(values); - - // If start < window/2 then set value to zero. - - if (i< window/2 || i >= refseq.getSequence().length()-window/2) { - for (int j = 0; j < sequences.size(); j++) { - values.addElement(new Integer(0)); - } - } else if (init == true) { - init = false; - - int winstart = i-window/2; - int winend = i+window/2; - - if (window%2 != 0) { - winend++; - } - - for (int j = 0; j < sequences.size(); j++) { - values.addElement(new Integer(0)); - } - - for (int k = winstart; k <= winend; k++) { - String refchar = refseq.getSequence().substring(k,k+1); - - for (int j = 0; j < sequences.size(); j++) { - - if (refchar.equals("-") == false) { - - Sequence s = (Sequence)sequences.elementAt(j); - - if (s.getSequence().length() > k) { - - String res = s.getSequence().substring(k,k+1); - - if (res.equals(refchar)) { - int val = ((Integer)values.elementAt(j)).intValue(); - val++; - values.setElementAt(new Integer(val),j); - } - } - } - } - } - prev = values; - } else { - int winstart = i-window/2; - int winend = i+window/2; - - if (window%2 != 0) { - winend++; - } - // We need to take the previous set of values - // subtract the pid at winstart-1 - // and add the pid at winend; - - String pre_refchar = refseq.getSequence().substring(winstart-1,winstart); - String pos_refchar = "-"; - - if (refseq.getSequence().length() > winend) { - pos_refchar = refseq.getSequence().substring(winend,winend+1); - } - - for (int j = 0; j < sequences.size(); j++) { - // First copy the pid value from i-1 - - int val = ((Integer)prev.elementAt(j)).intValue(); - - Sequence s = (Sequence)sequences.elementAt(j); - - String pre_char = s.getSequence().substring(winstart-1,winstart); - - String pos_char = "-"; - - if (s.getSequence().length() > winend) { - pos_char = s.getSequence().substring(winend,winend+1); - } - - // Now substract 1 if the chars at winstart-1 match - - if (pre_refchar.equals("-") == false && pre_char.equals(pre_refchar)) { - val--; - } - - if (pos_refchar.equals("-") == false && pos_char.equals(pos_refchar)) { - val++; - } - - values.addElement(new Integer(val)); - - - } - prev = values; - } - } - - return result; - } - - public static Hashtable findBlocks(Vector seqs, int start, int end,Vector exc) { - - // start and end are in real (not relative coords); - - // The coords in the hashtable that is returned are in relative coords - // i.e. start from 0 - - Hashtable blocks = new Hashtable(); - - boolean prev = false; - int bstart = -1; - - for (int i = start; i <= end ; i++) { - SequenceI seq = (SequenceI)seqs.elementAt(0); - - char c = seq.getCharAt(i); - - boolean found = true; - - int j = 1; - - while (j < seqs.size() && found == true) { - - SequenceI jseq = (SequenceI)seqs.elementAt(j); - - if (!exc.contains(jseq)) { - - char cc = jseq.getCharAt(i); - - if ( cc != c) { - found = false; - } - } - j++; - } - - - if (prev == false && found == true) { - bstart = i; - } else if (prev == true && found == false && bstart != -1) { - - int blockstart = bstart-start; - int blocklen = i-bstart; - - //System.out.println("Start len " + blockstart + " " + blocklen); - - for (int jj = blockstart; jj < blockstart + blocklen;jj++) { - blocks.put(new Integer(jj),new Integer(blocklen)); - } - - bstart = -1; - } - prev = found; - } - - if (bstart != -1) { - - int blockstart = bstart-start; - int blocklen = end-bstart; - - // System.out.println("Start len " + blockstart + " " + blocklen); - - for (int jj = blockstart; jj < blockstart + blocklen;jj++) { - blocks.put(new Integer(blockstart),new Integer(blocklen)); - } - - } - return blocks; } + Hashtable[] reply = new Hashtable[width]; - - public static Hashtable findKmerCount(SequenceI seq, int start, int end,int window, int step,Vector kmers) { - - int tmpstart = start; - Hashtable vals = new Hashtable(); - - while (tmpstart <= end) { - - String tmpstr = seq.getSequence().substring(tmpstart-window/2,tmpstart+window/2); - - int count = 0; - - //System.out.println("Str " + tmpstr); - - for (int ii = 0; ii < kmers.size(); ii++) { - String kmer = ((SequenceI)kmers.elementAt(ii)).getSequence(); - - int i = -1; - - while (tmpstr.indexOf(kmer,i) != -1) { - i = tmpstr.indexOf(kmer,i); - - i++; - count++; - } - ii++; - } - vals.put(new Integer(tmpstart),new Integer(count)); - tmpstart += step; - } - return vals; + if (end >= width) + { + end = width; } - public static Hashtable findBlockStarts(Vector seqs, int start, int end,Vector exc) { - - // start and end are in real (not relative coords); + calculate(seqs, start, end, reply); - // The coords in the hashtable that is returned are in relative coords - // i.e. start from 0 - - Hashtable blocks = new Hashtable(); - - boolean prev = false; - int bstart = -1; - - for (int i = start; i <= end ; i++) { - SequenceI seq = (SequenceI)seqs.elementAt(0); - - char c = seq.getCharAt(i); - - boolean found = true; - - int j = 1; - - while (j < seqs.size() && found == true) { + return reply; + } - SequenceI jseq = (SequenceI)seqs.elementAt(j); + public static final void calculate(SequenceI[] sequences, + int start, int end, + Hashtable[] result) + { + Hashtable residueHash; + int maxCount, nongap, i, j, v, jSize = sequences.length; + String maxResidue; + char c; + float percentage; - if (!exc.contains(jseq)) { + int[] values = new int[255]; - char cc = jseq.getCharAt(i); + char[] seq; - if ( cc != c) { - found = false; - } - } - j++; - } + for (i = start; i < end; i++) + { + residueHash = new Hashtable(); + maxCount = 0; + maxResidue = ""; + nongap = 0; + values = new int[255]; + for (j = 0; j < jSize; j++) + { + seq = sequences[j].getSequence(); + if (seq.length > i) + { + c = seq[i]; - if (prev == false && found == true) { - bstart = i; - } else if (prev == true && found == false && bstart != -1) { + if (c == '.' || c == ' ') + { + c = '-'; + } - int blockstart = bstart-start; - int blocklen = i-bstart; + if (c == '-') + { + values['-']++; + continue; + } + else if ('a' <= c && c <= 'z') + { + c -= 32; //('a' - 'A'); + } - // System.out.println("Start len " + blockstart + " " + blocklen); + nongap++; + values[c]++; - //for (int jj = blockstart; jj < blockstart + blocklen;jj++) { - blocks.put(new Integer(blockstart),new Integer(blocklen)); - // } + } + else + { + values['-']++; + } + } - bstart = -1; - } - prev = found; - } + for (v = 'A'; v < 'Z'; v++) + { + if (values[v] < 2 || values[v] < maxCount) + { + continue; + } - if (bstart != -1) { + if (values[v] > maxCount) + { + maxResidue = String.valueOf( (char) v); + } + else if (values[v] == maxCount) + { + maxResidue += String.valueOf( (char) v); + } + maxCount = values[v]; + } - int blockstart = bstart-start; - int blocklen = end-bstart; + if (maxResidue.length() == 0) + { + maxResidue = "-"; + } - // System.out.println("Start len " + blockstart + " " + blocklen); + residueHash.put(MAXCOUNT, new Integer(maxCount)); + residueHash.put(MAXRESIDUE, maxResidue); - //for (int jj = blockstart; jj < blockstart + blocklen;jj++) { - blocks.put(new Integer(blockstart),new Integer(blocklen)); - // } + percentage = ( (float) maxCount * 100) / (float) jSize; + residueHash.put(PID_GAPS, new Float(percentage)); - } - return blocks; + percentage = ( (float) maxCount * 100) / (float) nongap; + residueHash.put(PID_NOGAPS, new Float(percentage)); + result[i] = residueHash; } - + } } -