-/* Jalview - a java multiple alignment editor\r
- * Copyright (C) 1998 Michele Clamp\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\r
- */\r
-package jalview.analysis;\r
-\r
-\r
-import java.util.*;\r
-import jalview.gui.*;\r
-import jalview.datamodel.*;\r
-\r
-\r
-public class Conservation {\r
- Vector sequences;\r
- int start;\r
- int end;\r
- Vector seqNums; // vector of int vectors where first is sequence checksum\r
- int maxLength=0; // used by quality calcs\r
- boolean seqNumsChanged = false; // updated after any change via calcSeqNum;\r
- private void calcSeqNums() {\r
- for (int i=0; i<sequences.size(); i++) {\r
- calcSeqNum(i);\r
- }\r
- }\r
- private void calcSeqNum(int i) {\r
- String sq=null; // for dumb jbuilder not-inited exception warning\r
- int[] sqnum = null;\r
- if (i>-1 && i<sequences.size()) {\r
- sq = ((SequenceI)sequences.elementAt(i)).getSequence();\r
- if (seqNums.size()<=i) {\r
- seqNums.add(new int[sq.length()+1]);\r
- }\r
- if (sq.hashCode()!=((int[])seqNums.elementAt(i))[0])\r
- {\r
- int j, len;\r
- seqNumsChanged = true;\r
- sq = ((SequenceI) sequences.elementAt(i)).getSequence();\r
- len = sq.length();\r
- if (maxLength < len)\r
- maxLength = len;\r
- sqnum = new int[len + 1]; // better to always make a new array - sequence can change its length\r
- sqnum[0] = sq.hashCode();\r
- for (j = 1; j <= len; j++)\r
- {\r
- sqnum[j] = ( (Integer) jalview.schemes.ResidueProperties.aaHash.get(new\r
- String(sq.substring(j - 1, j)))).intValue(); // yuk\r
- }\r
- seqNums.set(i, sqnum);\r
- }\r
- } else {\r
- // JBPNote INFO level debug\r
- System.out.println("calcSeqNum called with out of range sequence index for Alignment\n");\r
- }\r
- }\r
- Vector total = new Vector();\r
- public Vector quality;\r
- public Double[] qualityRange = new Double[2];\r
- String consString = "";\r
-\r
- Sequence consSequence;\r
- Hashtable propHash;\r
- int threshold;\r
-\r
- String name = "";\r
-\r
- public Conservation(String name,Hashtable propHash, int threshold, Vector sequences, int start, int end) {\r
- this.name = name;\r
- this.propHash = propHash;\r
- this.threshold = threshold;\r
- this.sequences = sequences;\r
- this.start = start;\r
- this.end = end;\r
- seqNums = new Vector(sequences.size());\r
- calcSeqNums();\r
- }\r
-\r
-\r
- public void calculate() {\r
-\r
- for (int i = start;i <= end; i++) {\r
- Hashtable resultHash = null;\r
- Hashtable residueHash = null;\r
-\r
- resultHash = new Hashtable();\r
- residueHash = new Hashtable();\r
-\r
- for (int j=0; j < sequences.size(); j++) {\r
-\r
- if (sequences.elementAt(j) instanceof Sequence) {\r
- Sequence s = (Sequence)sequences.elementAt(j);\r
-\r
- if (s.getLength() > i) {\r
- String res = s.getSequence().substring(i,i+1);\r
-\r
- if (residueHash.containsKey(res)) {\r
- int count = ((Integer)residueHash.get(res)).intValue() ;\r
- count++;\r
- residueHash.put(res,new Integer(count));\r
- } else {\r
- residueHash.put(res,new Integer(1));\r
- }\r
- } else {\r
- if (residueHash.containsKey("-")) {\r
- int count = ((Integer)residueHash.get("-")).intValue() ;\r
- count++;\r
- residueHash.put("-",new Integer(count));\r
- } else {\r
- residueHash.put("-",new Integer(1));\r
- }\r
- }\r
- }\r
- }\r
-\r
- //What is the count threshold to count the residues in residueHash()\r
- int thresh = threshold*(sequences.size())/100;\r
-\r
- //loop over all the found residues\r
- Enumeration e = residueHash.keys();\r
-\r
- while (e.hasMoreElements()) {\r
-\r
- String res = (String)e.nextElement();\r
- if (((Integer)residueHash.get(res)).intValue() > thresh) {\r
-\r
- //Now loop over the properties\r
- Enumeration e2 = propHash.keys();\r
-\r
- while (e2.hasMoreElements()) {\r
- String type = (String)e2.nextElement();\r
- Hashtable ht = (Hashtable)propHash.get(type);\r
-\r
- //Have we ticked this before?\r
- if (! resultHash.containsKey(type)) {\r
- if (ht.containsKey(res)) {\r
- resultHash.put(type,ht.get(res));\r
- } else {\r
- resultHash.put(type,ht.get("-"));\r
- }\r
- } else if ( ((Integer)resultHash.get(type)).equals((Integer)ht.get(res)) == false) {\r
- resultHash.put(type,new Integer(-1));\r
- }\r
- }\r
- }\r
- }\r
- total.addElement(resultHash);\r
- }\r
- }\r
-\r
- public int countGaps(int j)\r
- {\r
- int count = 0;\r
-\r
- for (int i = 0; i < sequences.size();i++)\r
- {\r
- if( j+1 > ((Sequence)sequences.elementAt(i)).getSequence().length())\r
- { count++; continue;}\r
-\r
- char c = ((Sequence)sequences.elementAt(i)).getSequence().charAt(j);\r
- if (jalview.util.Comparison.isGap((c)))\r
- count++;\r
-\r
- }\r
- return count;\r
- }\r
-\r
- public void verdict(boolean consflag, float percentageGaps) {\r
- String consString = "";\r
-\r
- for (int i=start; i <= end; i++) {\r
- int totGaps = countGaps(i);\r
- float pgaps = (float)totGaps*100/(float)sequences.size();\r
-\r
- if (percentageGaps > pgaps)\r
- {\r
- Hashtable resultHash = (Hashtable)total.elementAt(i-start);\r
-\r
- //Now find the verdict\r
- int count = 0;\r
- Enumeration e3 = resultHash.keys();\r
-\r
- while (e3.hasMoreElements())\r
- {\r
- String type = (String)e3.nextElement();\r
- Integer result = (Integer)resultHash.get(type);\r
-\r
- //Do we want to count +ve conservation or +ve and -ve cons.?\r
-\r
- if (consflag)\r
- {\r
- if (result.intValue() == 1)\r
- count++;\r
- }\r
- else\r
- {\r
- if (result.intValue() != -1)\r
- count++;\r
- }\r
- }\r
-\r
- if (count < 10)\r
- consString = consString + String.valueOf(count);\r
- else\r
- consString = consString + "*";\r
-\r
- }\r
- else\r
- {\r
- consString = consString + "-";\r
- }\r
- }\r
-\r
- consSequence = new Sequence(name,consString,start,end);\r
- }\r
-\r
- public Sequence getConsSequence() {\r
- return consSequence;\r
- }\r
-\r
- // From Alignment.java in jalview118\r
-\r
- public void findQuality() {\r
- findQuality(0,maxLength-1);\r
- }\r
-\r
- int[][] cons2;\r
-\r
- private void percentIdentity2() {\r
- calcSeqNums(); // updates maxLength, too.\r
- if (cons2==null || seqNumsChanged) {\r
- cons2 = new int[maxLength][24];\r
- // Initialize the array\r
- for (int j=0;j<24;j++) {\r
- for (int i=0; i < maxLength;i++) {\r
- cons2[i][j] = 0;\r
- }\r
- }\r
-\r
- int sqnum[];\r
- int j = 0;\r
- while(j < sequences.size()) {\r
- sqnum=(int[])seqNums.elementAt(j);\r
- for (int i = 1; i < sqnum.length; i++) {\r
- cons2[i-1][sqnum[i]]++;\r
- }\r
- j++;\r
- }\r
-\r
- // unnecessary ?\r
- /* for (int i=start; i <= end; i++) {\r
- int max = -1000;\r
- int maxi = -1;\r
- int maxj = -1;\r
-\r
- for (int j=0;j<24;j++) {\r
- if (cons2[i][j] > max) {\r
- max = cons2[i][j];\r
- maxi = i;\r
- maxj = j;\r
- }\r
-\r
- }\r
- } */\r
- }\r
-\r
-}\r
-\r
-\r
-public void findQuality(int start, int end) {\r
- quality = new Vector();\r
- double max = -10000;\r
- String s = "";\r
- int[][] BLOSUM62 = jalview.schemes.ResidueProperties.getBLOSUM62();\r
- //Loop over columns // JBPNote Profiling info\r
- // long ts = System.currentTimeMillis();\r
- //long te = System.currentTimeMillis();\r
- percentIdentity2();\r
-\r
- int size = seqNums.size();\r
- int[] lengths = new int[size];\r
-\r
- for (int l = 0; l < size; l++)\r
- lengths[l] = ((int[]) seqNums.get(l)).length;\r
-\r
- for (int j=start; j <= end; j++) {\r
- double bigtot = 0;\r
-\r
- // First Xr = depends on column only\r
- double x[] = new double[24];\r
-\r
- for (int ii=0; ii < 24; ii++) {\r
- x[ii] = 0;\r
- try {\r
- for (int i2=0; i2 < 24; i2++) {\r
- x[ii] += (double)cons2[j][i2] * BLOSUM62[ii][i2]+4;\r
- }\r
- } catch (Exception e) {\r
- System.out.println("Exception : " + e);\r
- }\r
- //System.out.println("X " + ii + " " + x[ii]);\r
- x[ii] /= (size);\r
- //System.out.println("X " + ii + " " + x[ii]);\r
- }\r
- // Now calculate D for each position and sum\r
- for (int k=0; k < size; k++) {\r
- double tot = 0;\r
- double[] xx = new double[24];\r
- int seqNum =\r
- ((j+1)<lengths[size])\r
- ? ((int[]) seqNums.get(k))[j+1]\r
- : 23; // Sequence, or gap at the end\r
-\r
- // This is a loop over r\r
- for (int i=0; i < 23; i++) {\r
- double sr = 0;\r
- try {\r
- sr = (double)BLOSUM62[i][seqNum]+4;\r
- } catch (Exception e) {\r
- System.out.println("Exception in sr " + e);\r
- }\r
- //Calculate X with another loop over residues\r
-\r
- // System.out.println("Xi " + i + " " + x[i] + " " + sr);\r
- xx[i] = x[i] - sr;\r
-\r
- tot += xx[i]*xx[i];\r
- }\r
- bigtot += Math.sqrt(tot);\r
- }\r
- // This is the quality for one column\r
- if (max < bigtot) {max = bigtot;}\r
- // bigtot = bigtot * (size-cons2[j][23])/size;\r
-\r
- quality.addElement(new Double(bigtot));\r
-\r
- s += "-";\r
-\r
- // Need to normalize by gaps\r
- }\r
- double newmax=-10000;\r
- for (int j=start; j <= end; j++) {\r
- double tmp = ((Double)quality.elementAt(j)).doubleValue();\r
- tmp = (max - tmp)*(size-cons2[j][23])/size;\r
- // System.out.println(tmp+ " " + j);\r
- quality.setElementAt(new Double(tmp),j);\r
- if (tmp>newmax)\r
- newmax = tmp;\r
- }\r
- // System.out.println("Quality " + s);\r
- qualityRange[0] = new Double(0);\r
- qualityRange[1] = new Double(newmax);\r
- }\r
-\r
-\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview 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 3 of the License, or (at your option) any later version.
+ *
+ * Jalview 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 Jalview. If not, see <http://www.gnu.org/licenses/>.
+ */
+package jalview.analysis;
+
+import java.awt.Color;
+import java.util.*;
+
+import jalview.datamodel.*;
+
+/**
+ * Calculates conservation values for a given set of sequences
+ *
+ * @author $author$
+ * @version $Revision$
+ */
+public class Conservation
+{
+ SequenceI[] sequences;
+
+ int start;
+
+ int end;
+
+ Vector seqNums; // vector of int vectors where first is sequence checksum
+
+ int maxLength = 0; // used by quality calcs
+
+ boolean seqNumsChanged = false; // updated after any change via calcSeqNum;
+
+ Hashtable[] total;
+
+ boolean canonicaliseAa = true; // if true then conservation calculation will
+
+ // map all symbols to canonical aa numbering
+ // rather than consider conservation of that
+ // symbol
+
+ /** Stores calculated quality values */
+ public Vector quality;
+
+ /** Stores maximum and minimum values of quality values */
+ public Double[] qualityRange = new Double[2];
+
+ String consString = "";
+
+ Sequence consSequence;
+
+ Hashtable propHash;
+
+ int threshold;
+
+ String name = "";
+
+ int[][] cons2;
+
+ /**
+ * Creates a new Conservation object.
+ *
+ * @param name
+ * Name of conservation
+ * @param propHash
+ * hash of properties for each symbol
+ * @param threshold
+ * to count the residues in residueHash(). commonly used value is 3
+ * @param sequences
+ * sequences to be used in calculation
+ * @param start
+ * start residue position
+ * @param end
+ * end residue position
+ */
+ public Conservation(String name, Hashtable propHash, int threshold,
+ List<SequenceI> sequences, int start, int end)
+ {
+ this.name = name;
+ this.propHash = propHash;
+ this.threshold = threshold;
+ this.start = start;
+ this.end = end;
+
+ maxLength = end - start + 1; // default width includes bounds of
+ // calculation
+
+ int s, sSize = sequences.size();
+ SequenceI[] sarray = new SequenceI[sSize];
+ this.sequences = sarray;
+ try {
+ for (s = 0; s < sSize; s++)
+ {
+ sarray[s] = (SequenceI) sequences.get(s);
+ if (sarray[s].getLength() > maxLength)
+ {
+ maxLength = sarray[s].getLength();
+ }
+ }
+ } catch (ArrayIndexOutOfBoundsException ex)
+ {
+ // bail - another thread has modified the sequence array, so the current calculation is probably invalid.
+ this.sequences=new SequenceI[0];
+ maxLength=0;
+ }
+ }
+
+ /**
+ * Translate sequence i into a numerical representation and store it in the
+ * i'th position of the seqNums array.
+ *
+ * @param i
+ */
+ private void calcSeqNum(int i)
+ {
+ String sq = null; // for dumb jbuilder not-inited exception warning
+ int[] sqnum = null;
+
+ int sSize = sequences.length;
+
+ if ((i > -1) && (i < sSize))
+ {
+ sq = sequences[i].getSequenceAsString();
+
+ if (seqNums.size() <= i)
+ {
+ seqNums.addElement(new int[sq.length() + 1]);
+ }
+
+ if (sq.hashCode() != ((int[]) seqNums.elementAt(i))[0])
+ {
+ int j;
+ int len;
+ seqNumsChanged = true;
+ len = sq.length();
+
+ if (maxLength < len)
+ {
+ maxLength = len;
+ }
+
+ sqnum = new int[len + 1]; // better to always make a new array -
+ // sequence can change its length
+ sqnum[0] = sq.hashCode();
+
+ for (j = 1; j <= len; j++)
+ {
+ sqnum[j] = jalview.schemes.ResidueProperties.aaIndex[sq
+ .charAt(j - 1)];
+ }
+
+ seqNums.setElementAt(sqnum, i);
+ }
+ else
+ {
+ System.out.println("SEQUENCE HAS BEEN DELETED!!!");
+ }
+ }
+ else
+ {
+ // JBPNote INFO level debug
+ System.err
+ .println("ERROR: calcSeqNum called with out of range sequence index for Alignment\n");
+ }
+ }
+
+ /**
+ * Calculates the conservation values for given set of sequences
+ */
+ public void calculate()
+ {
+ Hashtable resultHash, ht;
+ int thresh, j, jSize = sequences.length;
+ int[] values; // Replaces residueHash
+ String type, res = null;
+ char c;
+ Enumeration enumeration2;
+
+ total = new Hashtable[maxLength];
+
+ for (int i = start; i <= end; i++)
+ {
+ values = new int[255];
+
+ for (j = 0; j < jSize; j++)
+ {
+ if (sequences[j].getLength() > i)
+ {
+ c = sequences[j].getCharAt(i);
+
+ if (canonicaliseAa)
+ { // lookup the base aa code symbol
+ c = (char) jalview.schemes.ResidueProperties.aaIndex[sequences[j]
+ .getCharAt(i)];
+ if (c > 20)
+ {
+ c = '-';
+ }
+ else
+ {
+ // recover canonical aa symbol
+ c = jalview.schemes.ResidueProperties.aa[c].charAt(0);
+ }
+ }
+ else
+ {
+ // original behaviour - operate on ascii symbols directly
+ // No need to check if its a '-'
+ if (c == '.' || c == ' ')
+ {
+ c = '-';
+ }
+
+ if (!canonicaliseAa && 'a' <= c && c <= 'z')
+ {
+ c -= (32); // 32 = 'a' - 'A'
+ }
+ }
+ values[c]++;
+ }
+ else
+ {
+ values['-']++;
+ }
+ }
+
+ // What is the count threshold to count the residues in residueHash()
+ thresh = (threshold * (jSize)) / 100;
+
+ // loop over all the found residues
+ resultHash = new Hashtable();
+ for (char v = '-'; v < 'Z'; v++)
+ {
+
+ if (values[v] > thresh)
+ {
+ res = String.valueOf(v);
+
+ // Now loop over the properties
+ enumeration2 = propHash.keys();
+
+ while (enumeration2.hasMoreElements())
+ {
+ type = (String) enumeration2.nextElement();
+ ht = (Hashtable) propHash.get(type);
+
+ // Have we ticked this before?
+ if (!resultHash.containsKey(type))
+ {
+ if (ht.containsKey(res))
+ {
+ resultHash.put(type, ht.get(res));
+ }
+ else
+ {
+ resultHash.put(type, ht.get("-"));
+ }
+ }
+ else if (((Integer) resultHash.get(type)).equals((Integer) ht
+ .get(res)) == false)
+ {
+ resultHash.put(type, new Integer(-1));
+ }
+ }
+ }
+ }
+
+ if (total.length>0) {
+ total[i - start] = resultHash;
+ }
+ }
+ }
+
+ /*****************************************************************************
+ * count conservation for the j'th column of the alignment
+ *
+ * @return { gap count, conserved residue count}
+ */
+ public int[] countConsNGaps(int j)
+ {
+ int count = 0;
+ int cons = 0;
+ int nres = 0;
+ int[] r = new int[2];
+ char f = '$';
+ int i, iSize = sequences.length;
+ char c;
+
+ for (i = 0; i < iSize; i++)
+ {
+ if (j >= sequences[i].getLength())
+ {
+ count++;
+ continue;
+ }
+
+ c = sequences[i].getCharAt(j); // gaps do not have upper/lower case
+
+ if (jalview.util.Comparison.isGap((c)))
+ {
+ count++;
+ }
+ else
+ {
+ nres++;
+
+ if (nres == 1)
+ {
+ f = c;
+ cons++;
+ }
+ else if (f == c)
+ {
+ cons++;
+ }
+ }
+ }
+
+ r[0] = (nres == cons) ? 1 : 0;
+ r[1] = count;
+
+ return r;
+ }
+
+ /**
+ * Calculates the conservation sequence
+ *
+ * @param consflag
+ * if true, poitiveve conservation; false calculates negative
+ * conservation
+ * @param percentageGaps
+ * commonly used value is 25
+ */
+ public void verdict(boolean consflag, float percentageGaps)
+ {
+ StringBuffer consString = new StringBuffer();
+ String type;
+ Integer result;
+ int[] gapcons;
+ int totGaps, count;
+ float pgaps;
+ Hashtable resultHash;
+ Enumeration enumeration;
+
+ // NOTE THIS SHOULD CHECK IF THE CONSEQUENCE ALREADY
+ // EXISTS AND NOT OVERWRITE WITH '-', BUT THIS CASE
+ // DOES NOT EXIST IN JALVIEW 2.1.2
+ for (int i = 0; i < start; i++)
+ {
+ consString.append('-');
+ }
+
+ for (int i = start; i <= end; i++)
+ {
+ gapcons = countConsNGaps(i);
+ totGaps = gapcons[1];
+ pgaps = ((float) totGaps * 100) / (float) sequences.length;
+
+ if (percentageGaps > pgaps)
+ {
+ resultHash = total[i - start];
+
+ // Now find the verdict
+ count = 0;
+ enumeration = resultHash.keys();
+
+ while (enumeration.hasMoreElements())
+ {
+ type = (String) enumeration.nextElement();
+ result = (Integer) resultHash.get(type);
+
+ // Do we want to count +ve conservation or +ve and -ve cons.?
+ if (consflag)
+ {
+ if (result.intValue() == 1)
+ {
+ count++;
+ }
+ }
+ else
+ {
+ if (result.intValue() != -1)
+ {
+ count++;
+ }
+ }
+ }
+
+ if (count < 10)
+ {
+ consString.append(count); // Conserved props!=Identity
+ }
+ else
+ {
+ consString.append((gapcons[0] == 1) ? "*" : "+");
+ }
+ }
+ else
+ {
+ consString.append('-');
+ }
+ }
+
+ consSequence = new Sequence(name, consString.toString(), start, end);
+ }
+
+ /**
+ *
+ *
+ * @return Conservation sequence
+ */
+ public Sequence getConsSequence()
+ {
+ return consSequence;
+ }
+
+ // From Alignment.java in jalview118
+ public void findQuality()
+ {
+ findQuality(0, maxLength - 1);
+ }
+
+ /**
+ * DOCUMENT ME!
+ */
+ private void percentIdentity2()
+ {
+ seqNums = new Vector();
+ // calcSeqNum(s);
+ int i = 0, iSize = sequences.length;
+ // Do we need to calculate this again?
+ for (i = 0; i < iSize; i++)
+ {
+ calcSeqNum(i);
+ }
+
+ if ((cons2 == null) || seqNumsChanged)
+ {
+ cons2 = new int[maxLength][24];
+
+ // Initialize the array
+ for (int j = 0; j < 24; j++)
+ {
+ for (i = 0; i < maxLength; i++)
+ {
+ cons2[i][j] = 0;
+ }
+ }
+
+ int[] sqnum;
+ int j = 0;
+
+ while (j < sequences.length)
+ {
+ sqnum = (int[]) seqNums.elementAt(j);
+
+ for (i = 1; i < sqnum.length; i++)
+ {
+ cons2[i - 1][sqnum[i]]++;
+ }
+
+ for (i = sqnum.length - 1; i < maxLength; i++)
+ {
+ cons2[i][23]++; // gap count
+ }
+
+ j++;
+ }
+
+ // unnecessary ?
+
+ /*
+ * for (int i=start; i <= end; i++) { int max = -1000; int maxi = -1; int
+ * maxj = -1;
+ *
+ * for (int j=0;j<24;j++) { if (cons2[i][j] > max) { max = cons2[i][j];
+ * maxi = i; maxj = j; } } }
+ */
+ }
+ }
+
+ /**
+ * Calculates the quality of the set of sequences
+ *
+ * @param start
+ * Start residue
+ * @param end
+ * End residue
+ */
+ public void findQuality(int start, int end)
+ {
+ quality = new Vector();
+
+ double max = -10000;
+ int[][] BLOSUM62 = jalview.schemes.ResidueProperties.getBLOSUM62();
+
+ // Loop over columns // JBPNote Profiling info
+ // long ts = System.currentTimeMillis();
+ // long te = System.currentTimeMillis();
+ percentIdentity2();
+
+ int size = seqNums.size();
+ int[] lengths = new int[size];
+ double tot, bigtot, sr, tmp;
+ double[] x, xx;
+ int l, j, i, ii, i2, k, seqNum;
+
+ for (l = 0; l < size; l++)
+ {
+ lengths[l] = ((int[]) seqNums.elementAt(l)).length - 1;
+ }
+
+ for (j = start; j <= end; j++)
+ {
+ bigtot = 0;
+
+ // First Xr = depends on column only
+ x = new double[24];
+
+ for (ii = 0; ii < 24; ii++)
+ {
+ x[ii] = 0;
+
+ for (i2 = 0; i2 < 24; i2++)
+ {
+ x[ii] += (((double) cons2[j][i2] * BLOSUM62[ii][i2]) + 4);
+ }
+
+ x[ii] /= size;
+ }
+
+ // Now calculate D for each position and sum
+ for (k = 0; k < size; k++)
+ {
+ tot = 0;
+ xx = new double[24];
+ seqNum = (j < lengths[k]) ? ((int[]) seqNums.elementAt(k))[j + 1]
+ : 23; // Sequence, or gap at the end
+
+ // This is a loop over r
+ for (i = 0; i < 23; i++)
+ {
+ sr = 0;
+
+ sr = (double) BLOSUM62[i][seqNum] + 4;
+
+ // Calculate X with another loop over residues
+ // System.out.println("Xi " + i + " " + x[i] + " " + sr);
+ xx[i] = x[i] - sr;
+
+ tot += (xx[i] * xx[i]);
+ }
+
+ bigtot += Math.sqrt(tot);
+ }
+
+ // This is the quality for one column
+ if (max < bigtot)
+ {
+ max = bigtot;
+ }
+
+ // bigtot = bigtot * (size-cons2[j][23])/size;
+ quality.addElement(new Double(bigtot));
+
+ // Need to normalize by gaps
+ }
+
+ double newmax = -10000;
+
+ for (j = start; j <= end; j++)
+ {
+ tmp = ((Double) quality.elementAt(j)).doubleValue();
+ tmp = ((max - tmp) * (size - cons2[j][23])) / size;
+
+ // System.out.println(tmp+ " " + j);
+ quality.setElementAt(new Double(tmp), j);
+
+ if (tmp > newmax)
+ {
+ newmax = tmp;
+ }
+ }
+
+ // System.out.println("Quality " + s);
+ qualityRange[0] = new Double(0);
+ qualityRange[1] = new Double(newmax);
+ }
+
+ /**
+ * complete the given consensus and quuality annotation rows. Note: currently
+ * this method will enlarge the given annotation row if it is too small,
+ * otherwise will leave its length unchanged.
+ *
+ * @param conservation
+ * conservation annotation row
+ * @param quality2
+ * (optional - may be null)
+ * @param istart
+ * first column for conservation
+ * @param alWidth
+ * extent of conservation
+ */
+ public void completeAnnotations(AlignmentAnnotation conservation,
+ AlignmentAnnotation quality2, int istart, int alWidth)
+ {
+ char[] sequence = getConsSequence().getSequence();
+ float minR;
+ float minG;
+ float minB;
+ float maxR;
+ float maxG;
+ float maxB;
+ minR = 0.3f;
+ minG = 0.0f;
+ minB = 0f;
+ maxR = 1.0f - minR;
+ maxG = 0.9f - minG;
+ maxB = 0f - minB; // scalable range for colouring both Conservation and
+ // Quality
+
+ float min = 0f;
+ float max = 11f;
+ float qmin = 0f;
+ float qmax = 0f;
+
+ char c;
+
+ if (conservation.annotations != null
+ && conservation.annotations.length < alWidth)
+ {
+ conservation.annotations = new Annotation[alWidth];
+ }
+
+ if (quality2 != null)
+ {
+ quality2.graphMax = qualityRange[1].floatValue();
+ if (quality2.annotations != null
+ && quality2.annotations.length < alWidth)
+ {
+ quality2.annotations = new Annotation[alWidth];
+ }
+ qmin = qualityRange[0].floatValue();
+ qmax = qualityRange[1].floatValue();
+ }
+
+ for (int i = 0; i < alWidth; i++)
+ {
+ float value = 0;
+
+ c = sequence[i];
+
+ if (Character.isDigit(c))
+ {
+ value = (int) (c - '0');
+ }
+ else if (c == '*')
+ {
+ value = 11;
+ }
+ else if (c == '+')
+ {
+ value = 10;
+ }
+
+ float vprop = value - min;
+ vprop /= max;
+ conservation.annotations[i] = new Annotation(String.valueOf(c),
+ String.valueOf(value), ' ', value, new Color(minR
+ + (maxR * vprop), minG + (maxG * vprop), minB
+ + (maxB * vprop)));
+
+ // Quality calc
+ if (quality2 != null)
+ {
+ value = ((Double) quality.elementAt(i)).floatValue();
+ vprop = value - qmin;
+ vprop /= qmax;
+ quality2.annotations[i] = new Annotation(" ",
+ String.valueOf(value), ' ', value, new Color(minR
+ + (maxR * vprop), minG + (maxG * vprop), minB
+ + (maxB * vprop)));
+ }
+ }
+ }
+
+ /**
+ * construct and call the calculation methods on a new Conservation object
+ * @param name - name of conservation
+ * @param consHash - hash table of properties for each amino acid (normally ResidueProperties.propHash)
+ * @param threshold - minimum number of conserved residues needed to indicate conservation (typically 3)
+ * @param seqs
+ * @param start first column in calculation window
+ * @param end last column in calculation window
+ * @param posOrNeg positive (true) or negative (false) conservation
+ * @param consPercGaps percentage of gaps tolerated in column
+ * @param calcQuality flag indicating if alignment quality should be calculated
+ * @return Conservation object ready for use in visualization
+ */
+ public static Conservation calculateConservation(String name,
+ Hashtable consHash, int threshold, List<SequenceI> seqs, int start, int end, boolean posOrNeg, int consPercGaps, boolean calcQuality)
+ {
+ Conservation cons = new Conservation(name, consHash, threshold, seqs, start,end);
+ return calculateConservation(cons, posOrNeg, consPercGaps, calcQuality);
+ }
+ /**
+ * @param b positive (true) or negative (false) conservation
+ * @param consPercGaps percentage of gaps tolerated in column
+ * @param calcQuality flag indicating if alignment quality should be calculated
+ * @return Conservation object ready for use in visualization
+ */
+ public static Conservation calculateConservation(Conservation cons, boolean b, int consPercGaps, boolean calcQuality)
+ {
+ cons.calculate();
+ cons.verdict(b, consPercGaps);
+
+ if (calcQuality)
+ {
+ cons.findQuality();
+ }
+
+ return cons;
+ }
+}