-/*\r
-* Jalview - A Sequence Alignment Editor and Viewer\r
-* Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\r
-*/\r
-package jalview.analysis;\r
-\r
-import jalview.datamodel.SequenceI;\r
-\r
-import jalview.schemes.*;\r
-\r
-import jalview.util.*;\r
-\r
-import java.awt.*;\r
-\r
-import java.util.*;\r
-\r
-\r
-/**\r
- *\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class AlignSeq\r
-{\r
- /** DOCUMENT ME!! */\r
- public static java.util.Hashtable dnaHash = new java.util.Hashtable();\r
-\r
- static\r
- {\r
- dnaHash.put("C", new Integer(0));\r
- dnaHash.put("T", new Integer(1));\r
- dnaHash.put("A", new Integer(2));\r
- dnaHash.put("G", new Integer(3));\r
- dnaHash.put("-", new Integer(4));\r
- }\r
-\r
- static String[] dna = { "C", "T", "A", "G", "-" };\r
- static String[] pep =\r
- {\r
- "A", "R", "N", "D", "C", "Q", "E", "G", "H", "I", "L", "K", "M", "F",\r
- "P", "S", "T", "W", "Y", "V", "B", "Z", "X", "-"\r
- };\r
- int[][] score;\r
- int[][] E;\r
- int[][] F;\r
- int[][] traceback;\r
- int[] seq1;\r
- int[] seq2;\r
- SequenceI s1;\r
- SequenceI s2;\r
- public String s1str;\r
- public String s2str;\r
- int maxi;\r
- int maxj;\r
- int[] aseq1;\r
- int[] aseq2;\r
- public String astr1="";\r
- public String astr2="";\r
-\r
- /** DOCUMENT ME!! */\r
- public int seq1start;\r
-\r
- /** DOCUMENT ME!! */\r
- public int seq1end;\r
-\r
- /** DOCUMENT ME!! */\r
- public int seq2start;\r
-\r
- /** DOCUMENT ME!! */\r
- public int seq2end;\r
- int count;\r
-\r
- /** DOCUMENT ME!! */\r
- public int maxscore;\r
- float pid;\r
- int prev = 0;\r
- int gapOpen = 120;\r
- int gapExtend = 20;\r
- int[][] lookup = ResidueProperties.getBLOSUM62();\r
- String[] intToStr = pep;\r
- int defInt = 23;\r
- StringBuffer output = new StringBuffer();\r
- String type;\r
-\r
- /**\r
- * Creates a new AlignSeq object.\r
- *\r
- * @param s1 DOCUMENT ME!\r
- * @param s2 DOCUMENT ME!\r
- * @param type DOCUMENT ME!\r
- */\r
- public AlignSeq(SequenceI s1, SequenceI s2, String type)\r
- {\r
- SeqInit(s1, s1.getSequence(), s2, s2.getSequence(), type);\r
- }\r
-\r
- /**\r
- * Creates a new AlignSeq object.\r
- *\r
- * @param s1 DOCUMENT ME!\r
- * @param s2 DOCUMENT ME!\r
- * @param type DOCUMENT ME!\r
- */\r
- public AlignSeq(SequenceI s1,\r
- String string1,\r
- SequenceI s2,\r
- String string2,\r
- String type)\r
- {\r
- SeqInit(s1, string1, s2, string2, type);\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getMaxScore()\r
- {\r
- return maxscore;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getSeq2Start()\r
- {\r
- return seq2start;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getSeq2End()\r
- {\r
- return seq2end;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getSeq1Start()\r
- {\r
- return seq1start;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getSeq1End()\r
- {\r
- return seq1end;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public String getOutput()\r
- {\r
- return output.toString();\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public String getAStr1()\r
- {\r
- return astr1;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public String getAStr2()\r
- {\r
- return astr2;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int[] getASeq1()\r
- {\r
- return aseq1;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int[] getASeq2()\r
- {\r
- return aseq2;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public SequenceI getS1()\r
- {\r
- return s1;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public SequenceI getS2()\r
- {\r
- return s2;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param s1 DOCUMENT ME!\r
- * @param s2 DOCUMENT ME!\r
- * @param type DOCUMENT ME!\r
- */\r
- public void SeqInit(SequenceI s1,\r
- String string1,\r
- SequenceI s2,\r
- String string2,\r
- String type)\r
- {\r
-\r
- s1str = extractGaps(jalview.util.Comparison.GapChars, string1);\r
- s2str = extractGaps(jalview.util.Comparison.GapChars, string2);\r
-\r
- if(s1str.length()==0 || s2str.length()==0)\r
- {\r
- System.out.println("ALL GAPS: " +\r
- (s1str.length()==0?s1.getName():" ")\r
- +(s2str.length()==0?s2.getName():""));\r
- return;\r
- }\r
-\r
- this.s1 = s1;\r
- this.s2 = s2;\r
-\r
- this.type = type;\r
-\r
- if (type.equals("pep"))\r
- {\r
- lookup = ResidueProperties.getBLOSUM62();\r
- intToStr = pep;\r
- defInt = 23;\r
- }\r
- else if (type.equals("dna"))\r
- {\r
- lookup = ResidueProperties.getDNA();\r
- intToStr = dna;\r
- defInt = 4;\r
- }\r
- else\r
- {\r
- output.append("Wrong type = dna or pep only");\r
- System.exit(0);\r
- }\r
-\r
- //System.out.println("lookuip " + rt.freeMemory() + " "+ rt.totalMemory());\r
- seq1 = new int[s1str.length()];\r
-\r
- //System.out.println("seq1 " + rt.freeMemory() +" " + rt.totalMemory());\r
- seq2 = new int[s2str.length()];\r
-\r
- //System.out.println("seq2 " + rt.freeMemory() + " " + rt.totalMemory());\r
- score = new int[s1str.length()][s2str.length()];\r
-\r
- //System.out.println("score " + rt.freeMemory() + " " + rt.totalMemory());\r
- E = new int[s1str.length()][s2str.length()];\r
-\r
- //System.out.println("E " + rt.freeMemory() + " " + rt.totalMemory());\r
- F = new int[s1str.length()][s2str.length()];\r
- traceback = new int[s1str.length()][s2str.length()];\r
-\r
- //System.out.println("F " + rt.freeMemory() + " " + rt.totalMemory());\r
- seq1 = stringToInt(s1str, type);\r
-\r
- //System.out.println("seq1 " + rt.freeMemory() + " " + rt.totalMemory());\r
- seq2 = stringToInt(s2str, type);\r
-\r
- //System.out.println("Seq2 " + rt.freeMemory() + " " + rt.totalMemory());\r
- // long tstart = System.currentTimeMillis();\r
- // calcScoreMatrix();\r
- //long tend = System.currentTimeMillis();\r
- //System.out.println("Time take to calculate score matrix = " + (tend-tstart) + " ms");\r
- // printScoreMatrix(score);\r
- //System.out.println();\r
- //printScoreMatrix(traceback);\r
- //System.out.println();\r
- // printScoreMatrix(E);\r
- //System.out.println();\r
- ///printScoreMatrix(F);\r
- //System.out.println();\r
- // tstart = System.currentTimeMillis();\r
- //traceAlignment();\r
- //tend = System.currentTimeMillis();\r
- //System.out.println("Time take to traceback alignment = " + (tend-tstart) + " ms");\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- */\r
- public void traceAlignment()\r
- {\r
- // Find the maximum score along the rhs or bottom row\r
- int max = -9999;\r
-\r
- for (int i = 0; i < seq1.length; i++)\r
- {\r
- if (score[i][seq2.length - 1] > max)\r
- {\r
- max = score[i][seq2.length - 1];\r
- maxi = i;\r
- maxj = seq2.length - 1;\r
- }\r
- }\r
-\r
- for (int j = 0; j < seq2.length; j++)\r
- {\r
- if (score[seq1.length - 1][j] > max)\r
- {\r
- max = score[seq1.length - 1][j];\r
- maxi = seq1.length - 1;\r
- maxj = j;\r
- }\r
- }\r
-\r
- // System.out.println(maxi + " " + maxj + " " + score[maxi][maxj]);\r
- int i = maxi;\r
- int j = maxj;\r
- int trace;\r
- maxscore = score[i][j] / 10;\r
-\r
- seq1end = maxi + 1;\r
- seq2end = maxj + 1;\r
-\r
- aseq1 = new int[seq1.length + seq2.length];\r
- aseq2 = new int[seq1.length + seq2.length];\r
-\r
- count = (seq1.length + seq2.length) - 1;\r
-\r
- while ((i > 0) && (j > 0))\r
- {\r
- if ((aseq1[count] != defInt) && (i >= 0))\r
- {\r
- aseq1[count] = seq1[i];\r
- astr1 = intToStr[seq1[i]] + astr1;\r
- }\r
-\r
- if ((aseq2[count] != defInt) && (j > 0))\r
- {\r
- aseq2[count] = seq2[j];\r
- astr2 = intToStr[seq2[j]] + astr2;\r
- }\r
-\r
- trace = findTrace(i, j);\r
-\r
- if (trace == 0)\r
- {\r
- i--;\r
- j--;\r
- }\r
- else if (trace == 1)\r
- {\r
- j--;\r
- aseq1[count] = defInt;\r
- astr1 = "-" + astr1.substring(1);\r
- }\r
- else if (trace == -1)\r
- {\r
- i--;\r
- aseq2[count] = defInt;\r
- astr2 = "-" + astr2.substring(1);\r
- }\r
-\r
- count--;\r
- }\r
-\r
- seq1start = i + 1;\r
- seq2start = j + 1;\r
-\r
- if (aseq1[count] != defInt)\r
- {\r
- aseq1[count] = seq1[i];\r
- astr1 = intToStr[seq1[i]] + astr1;\r
- }\r
-\r
- if (aseq2[count] != defInt)\r
- {\r
- aseq2[count] = seq2[j];\r
- astr2 = intToStr[seq2[j]] + astr2;\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- */\r
- public void printAlignment(java.io.PrintStream os)\r
- {\r
- // Find the biggest id length for formatting purposes\r
- int maxid = s1.getName().length();\r
-\r
- if (s2.getName().length() > maxid)\r
- {\r
- maxid = s2.getName().length();\r
- }\r
-\r
- int len = 72 - maxid - 1;\r
- int nochunks = ((aseq1.length - count) / len) + 1;\r
- pid = 0;\r
-\r
- output.append("Score = " + score[maxi][maxj] + "\n");\r
- output.append("Length of alignment = " + (aseq1.length - count) + "\n");\r
- output.append("Sequence ");\r
- output.append(new Format("%" + maxid + "s").form(s1.getName()));\r
- output.append(" : " + s1.getStart() + " - " + s1.getEnd() + " (Sequence length = " +\r
- s1str.length() + ")\n");\r
- output .append("Sequence ");\r
- output.append(new Format("%" + maxid + "s").form(s2.getName()));\r
- output.append(" : " + s2.getStart() + " - " + s2.getEnd() + " (Sequence length = " +\r
- s2str.length() + ")\n\n");\r
-\r
- for (int j = 0; j < nochunks; j++)\r
- {\r
- // Print the first aligned sequence\r
- output.append(new Format("%" + (maxid) + "s").form(s1.getName()) + " ");\r
-\r
- for (int i = 0; i < len; i++)\r
- {\r
- if ((count + i + (j * len)) < aseq1.length)\r
- {\r
- output.append(new Format("%s").form(intToStr[aseq1[count + i +\r
- (j * len)]]));\r
- }\r
- }\r
-\r
- output.append("\n");\r
- output.append(new Format("%" + (maxid) + "s").form(" ") + " ");\r
-\r
- // Print out the matching chars\r
- for (int i = 0; i < len; i++)\r
- {\r
- if ((count + i + (j * len)) < aseq1.length)\r
- {\r
- if (intToStr[aseq1[count + i + (j * len)]].equals(\r
- intToStr[aseq2[count + i + (j * len)]]) &&\r
- !intToStr[aseq1[count + i + (j * len)]].equals("-"))\r
- {\r
- pid++;\r
- output.append("|");\r
- }\r
- else if (type.equals("pep"))\r
- {\r
- if (ResidueProperties.getPAM250(\r
- intToStr[aseq1[count + i + (j * len)]],\r
- intToStr[aseq2[count + i + (j * len)]]) > 0)\r
- {\r
- output.append(".");\r
- }\r
- else\r
- {\r
- output.append(" ");\r
- }\r
- }\r
- else\r
- {\r
- output.append(" ");\r
- }\r
- }\r
- }\r
-\r
- // Now print the second aligned sequence\r
- output = output.append("\n");\r
- output = output.append(new Format("%" + (maxid) + "s").form(s2.getName()) + " ");\r
-\r
- for (int i = 0; i < len; i++)\r
- {\r
- if ((count + i + (j * len)) < aseq1.length)\r
- {\r
- output .append(new Format("%s").form(intToStr[aseq2[count + i +\r
- (j * len)]]));\r
- }\r
- }\r
-\r
- output = output .append("\n\n");\r
- }\r
-\r
- pid = pid / (float) (aseq1.length - count) * 100;\r
- output = output.append(new Format("Percentage ID = %2.2f\n\n").form(pid));\r
-\r
- try{\r
- os.print(output.toString());\r
- }catch(Exception ex){}\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param mat DOCUMENT ME!\r
- */\r
- public void printScoreMatrix(int[][] mat)\r
- {\r
- int n = seq1.length;\r
- int m = seq2.length;\r
-\r
- for (int i = 0; i < n; i++)\r
- {\r
- // Print the top sequence\r
- if (i == 0)\r
- {\r
- Format.print(System.out, "%8s", s2str.substring(0, 1));\r
-\r
- for (int jj = 1; jj < m; jj++)\r
- {\r
- Format.print(System.out, "%5s", s2str.substring(jj, jj + 1));\r
- }\r
-\r
- System.out.println();\r
- }\r
-\r
- for (int j = 0; j < m; j++)\r
- {\r
- if (j == 0)\r
- {\r
- Format.print(System.out, "%3s", s1str.substring(i, i + 1));\r
- }\r
-\r
- Format.print(System.out, "%3d ", mat[i][j] / 10);\r
- }\r
-\r
- System.out.println();\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param i DOCUMENT ME!\r
- * @param j DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int findTrace(int i, int j)\r
- {\r
- int t = 0;\r
- int max = score[i - 1][j - 1] + (lookup[seq1[i]][seq2[j]] * 10);\r
-\r
- if (F[i][j] > max)\r
- {\r
- max = F[i][j];\r
- t = -1;\r
- }\r
- else if (F[i][j] == max)\r
- {\r
- if (prev == -1)\r
- {\r
- max = F[i][j];\r
- t = -1;\r
- }\r
- }\r
-\r
- if (E[i][j] >= max)\r
- {\r
- max = E[i][j];\r
- t = 1;\r
- }\r
- else if (E[i][j] == max)\r
- {\r
- if (prev == 1)\r
- {\r
- max = E[i][j];\r
- t = 1;\r
- }\r
- }\r
-\r
- prev = t;\r
-\r
- return t;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- */\r
- public void calcScoreMatrix()\r
- {\r
- int n = seq1.length;\r
- int m = seq2.length;\r
-\r
- // top left hand element\r
- score[0][0] = lookup[seq1[0]][seq2[0]] * 10;\r
- E[0][0] = -gapExtend;\r
- F[0][0] = 0;\r
-\r
- // Calculate the top row first\r
- for (int j = 1; j < m; j++)\r
- {\r
- // What should these values be? 0 maybe\r
- E[0][j] = max(score[0][j - 1] - gapOpen, E[0][j - 1] - gapExtend);\r
- F[0][j] = -gapExtend;\r
-\r
- score[0][j] = max(lookup[seq1[0]][seq2[j]] * 10, -gapOpen,\r
- -gapExtend);\r
-\r
- traceback[0][j] = 1;\r
- }\r
-\r
- // Now do the left hand column\r
- for (int i = 1; i < n; i++)\r
- {\r
- E[i][0] = -gapOpen;\r
- F[i][0] = max(score[i - 1][0] - gapOpen, F[i - 1][0] - gapExtend);\r
-\r
- score[i][0] = max(lookup[seq1[i]][seq2[0]] * 10, E[i][0], F[i][0]);\r
- traceback[i][0] = -1;\r
- }\r
-\r
- // Now do all the other rows\r
- for (int i = 1; i < n; i++)\r
- {\r
- for (int j = 1; j < m; j++)\r
- {\r
- E[i][j] = max(score[i][j - 1] - gapOpen, E[i][j - 1] -\r
- gapExtend);\r
- F[i][j] = max(score[i - 1][j] - gapOpen, F[i - 1][j] -\r
- gapExtend);\r
-\r
- score[i][j] = max(score[i - 1][j - 1] +\r
- (lookup[seq1[i]][seq2[j]] * 10), E[i][j], F[i][j]);\r
- traceback[i][j] = findTrace(i, j);\r
- }\r
- }\r
- }\r
-\r
-\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param gapChar DOCUMENT ME!\r
- * @param seq DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public static String extractGaps(String gapChar, String seq)\r
- {\r
- StringTokenizer str = new StringTokenizer(seq, gapChar);\r
- StringBuffer newString = new StringBuffer();\r
-\r
- while (str.hasMoreTokens())\r
- {\r
- newString.append( str.nextToken() );\r
- }\r
-\r
- return newString.toString();\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param i1 DOCUMENT ME!\r
- * @param i2 DOCUMENT ME!\r
- * @param i3 DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int max(int i1, int i2, int i3)\r
- {\r
- int max = i1;\r
-\r
- if (i2 > i1)\r
- {\r
- max = i2;\r
- }\r
-\r
- if (i3 > max)\r
- {\r
- max = i3;\r
- }\r
-\r
- return max;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param i1 DOCUMENT ME!\r
- * @param i2 DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int max(int i1, int i2)\r
- {\r
- int max = i1;\r
-\r
- if (i2 > i1)\r
- {\r
- max = i2;\r
- }\r
-\r
- return max;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param s DOCUMENT ME!\r
- * @param type DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int[] stringToInt(String s, String type)\r
- {\r
- int[] seq1 = new int[s.length()];\r
-\r
- for (int i = 0; i < s.length(); i++)\r
- {\r
- String ss = s.substring(i, i + 1).toUpperCase();\r
-\r
- try\r
- {\r
- if (type.equals("pep"))\r
- {\r
- seq1[i] = ((Integer) ResidueProperties.aaHash.get(ss)).intValue();\r
- }\r
- else if (type.equals("dna"))\r
- {\r
- seq1[i] = ((Integer) dnaHash.get(ss)).intValue();\r
- }\r
-\r
- if (seq1[i] > 23)\r
- {\r
- seq1[i] = 23;\r
- }\r
- }\r
- catch (Exception e)\r
- {\r
- if (type.equals("dna"))\r
- {\r
- seq1[i] = 4;\r
- }\r
- else\r
- {\r
- seq1[i] = 23;\r
- }\r
- }\r
- }\r
-\r
- return seq1;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g DOCUMENT ME!\r
- * @param mat DOCUMENT ME!\r
- * @param n DOCUMENT ME!\r
- * @param m DOCUMENT ME!\r
- * @param psize DOCUMENT ME!\r
- */\r
- public static void displayMatrix(Graphics g, int[][] mat, int n, int m,\r
- int psize)\r
- {\r
- int max = -1000;\r
- int min = 1000;\r
-\r
- for (int i = 0; i < n; i++)\r
- {\r
- for (int j = 0; j < m; j++)\r
- {\r
- if (mat[i][j] >= max)\r
- {\r
- max = mat[i][j];\r
- }\r
-\r
- if (mat[i][j] <= min)\r
- {\r
- min = mat[i][j];\r
- }\r
- }\r
- }\r
-\r
- System.out.println(max + " " + min);\r
-\r
- for (int i = 0; i < n; i++)\r
- {\r
- for (int j = 0; j < m; j++)\r
- {\r
- int x = psize * i;\r
- int y = psize * j;\r
-\r
- // System.out.println(mat[i][j]);\r
- float score = (float) (mat[i][j] - min) / (float) (max - min);\r
- g.setColor(new Color(score, 0, 0));\r
- g.fillRect(x, y, psize, psize);\r
-\r
- // System.out.println(x + " " + y + " " + score);\r
- }\r
- }\r
- }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.analysis;
+
+import jalview.analysis.scoremodels.PIDModel;
+import jalview.analysis.scoremodels.ScoreMatrix;
+import jalview.analysis.scoremodels.ScoreModels;
+import jalview.analysis.scoremodels.SimilarityParams;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.Mapping;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.util.Comparison;
+import jalview.util.Format;
+import jalview.util.MapList;
+import jalview.util.MessageManager;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.StringTokenizer;
+
+/**
+ *
+ *
+ * @author $author$
+ * @version $Revision$
+ */
+public class AlignSeq
+{
+ private static final int MAX_NAME_LENGTH = 30;
+
+ private static final int GAP_OPEN_COST = 120;
+
+ private static final int GAP_EXTEND_COST = 20;
+
+ private static final int GAP_INDEX = -1;
+
+ public static final String PEP = "pep";
+
+ public static final String DNA = "dna";
+
+ private static final String NEWLINE = System.lineSeparator();
+
+ float[][] score;
+
+ float[][] E;
+
+ float[][] F;
+
+ int[][] traceback; // todo is this actually used?
+
+ int[] seq1;
+
+ int[] seq2;
+
+ SequenceI s1;
+
+ SequenceI s2;
+
+ public String s1str;
+
+ public String s2str;
+
+ int maxi;
+
+ int maxj;
+
+ int[] aseq1;
+
+ int[] aseq2;
+
+ public String astr1 = "";
+
+ public String astr2 = "";
+
+ /** DOCUMENT ME!! */
+ public int seq1start;
+
+ /** DOCUMENT ME!! */
+ public int seq1end;
+
+ /** DOCUMENT ME!! */
+ public int seq2start;
+
+ public int seq2end;
+
+ int count;
+
+ public float maxscore;
+
+ int prev = 0;
+
+ StringBuffer output = new StringBuffer();
+
+ String type; // AlignSeq.PEP or AlignSeq.DNA
+
+ private ScoreMatrix scoreMatrix;
+
+ /**
+ * Creates a new AlignSeq object.
+ *
+ * @param s1
+ * first sequence for alignment
+ * @param s2
+ * second sequence for alignment
+ * @param type
+ * molecule type, either AlignSeq.PEP or AlignSeq.DNA
+ */
+ public AlignSeq(SequenceI s1, SequenceI s2, String type)
+ {
+ seqInit(s1, s1.getSequenceAsString(), s2, s2.getSequenceAsString(),
+ type);
+ }
+
+ /**
+ * Creates a new AlignSeq object.
+ *
+ * @param s1
+ * DOCUMENT ME!
+ * @param s2
+ * DOCUMENT ME!
+ * @param type
+ * DOCUMENT ME!
+ */
+ public AlignSeq(SequenceI s1, String string1, SequenceI s2,
+ String string2, String type)
+ {
+ seqInit(s1, string1.toUpperCase(), s2, string2.toUpperCase(), type);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public float getMaxScore()
+ {
+ return maxscore;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int getSeq2Start()
+ {
+ return seq2start;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int getSeq2End()
+ {
+ return seq2end;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int getSeq1Start()
+ {
+ return seq1start;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int getSeq1End()
+ {
+ return seq1end;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public String getOutput()
+ {
+ return output.toString();
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public String getAStr1()
+ {
+ return astr1;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public String getAStr2()
+ {
+ return astr2;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int[] getASeq1()
+ {
+ return aseq1;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int[] getASeq2()
+ {
+ return aseq2;
+ }
+
+ /**
+ *
+ * @return aligned instance of Seq 1
+ */
+ public SequenceI getAlignedSeq1()
+ {
+ SequenceI alSeq1 = new Sequence(s1.getName(), getAStr1());
+ alSeq1.setStart(s1.getStart() + getSeq1Start() - 1);
+ alSeq1.setEnd(s1.getStart() + getSeq1End() - 1);
+ alSeq1.setDatasetSequence(
+ s1.getDatasetSequence() == null ? s1 : s1.getDatasetSequence());
+ return alSeq1;
+ }
+
+ /**
+ *
+ * @return aligned instance of Seq 2
+ */
+ public SequenceI getAlignedSeq2()
+ {
+ SequenceI alSeq2 = new Sequence(s2.getName(), getAStr2());
+ alSeq2.setStart(s2.getStart() + getSeq2Start() - 1);
+ alSeq2.setEnd(s2.getStart() + getSeq2End() - 1);
+ alSeq2.setDatasetSequence(
+ s2.getDatasetSequence() == null ? s2 : s2.getDatasetSequence());
+ return alSeq2;
+ }
+
+ /**
+ * Construct score matrix for sequences with standard DNA or PEPTIDE matrix
+ *
+ * @param s1
+ * - sequence 1
+ * @param string1
+ * - string to use for s1
+ * @param s2
+ * - sequence 2
+ * @param string2
+ * - string to use for s2
+ * @param type
+ * DNA or PEPTIDE
+ */
+ public void seqInit(SequenceI s1, String string1, SequenceI s2,
+ String string2, String type)
+ {
+ this.s1 = s1;
+ this.s2 = s2;
+ setDefaultParams(type);
+ seqInit(string1, string2);
+ }
+
+ /**
+ * construct score matrix for string1 and string2 (after removing any existing
+ * gaps
+ *
+ * @param string1
+ * @param string2
+ */
+ private void seqInit(String string1, String string2)
+ {
+ s1str = extractGaps(jalview.util.Comparison.GapChars, string1);
+ s2str = extractGaps(jalview.util.Comparison.GapChars, string2);
+
+ if (s1str.length() == 0 || s2str.length() == 0)
+ {
+ output.append(
+ "ALL GAPS: " + (s1str.length() == 0 ? s1.getName() : " ")
+ + (s2str.length() == 0 ? s2.getName() : ""));
+ return;
+ }
+
+ score = new float[s1str.length()][s2str.length()];
+
+ E = new float[s1str.length()][s2str.length()];
+
+ F = new float[s1str.length()][s2str.length()];
+ traceback = new int[s1str.length()][s2str.length()];
+
+ seq1 = indexEncode(s1str);
+
+ seq2 = indexEncode(s2str);
+ }
+
+ private void setDefaultParams(String moleculeType)
+ {
+ if (!PEP.equals(moleculeType) && !DNA.equals(moleculeType))
+ {
+ output.append("Wrong type = dna or pep only");
+ throw new Error(MessageManager
+ .formatMessage("error.unknown_type_dna_or_pep", new String[]
+ { moleculeType }));
+ }
+
+ type = moleculeType;
+ scoreMatrix = ScoreModels.getInstance()
+ .getDefaultModel(PEP.equals(type));
+ }
+
+ /**
+ * DOCUMENT ME!
+ */
+ public void traceAlignment()
+ {
+ // Find the maximum score along the rhs or bottom row
+ float max = -Float.MAX_VALUE;
+
+ for (int i = 0; i < seq1.length; i++)
+ {
+ if (score[i][seq2.length - 1] > max)
+ {
+ max = score[i][seq2.length - 1];
+ maxi = i;
+ maxj = seq2.length - 1;
+ }
+ }
+
+ for (int j = 0; j < seq2.length; j++)
+ {
+ if (score[seq1.length - 1][j] > max)
+ {
+ max = score[seq1.length - 1][j];
+ maxi = seq1.length - 1;
+ maxj = j;
+ }
+ }
+
+ int i = maxi;
+ int j = maxj;
+ int trace;
+ maxscore = score[i][j] / 10f;
+
+ seq1end = maxi + 1;
+ seq2end = maxj + 1;
+
+ aseq1 = new int[seq1.length + seq2.length];
+ aseq2 = new int[seq1.length + seq2.length];
+
+ StringBuilder sb1 = new StringBuilder(aseq1.length);
+ StringBuilder sb2 = new StringBuilder(aseq2.length);
+
+ count = (seq1.length + seq2.length) - 1;
+
+ while (i > 0 && j > 0)
+ {
+ aseq1[count] = seq1[i];
+ sb1.append(s1str.charAt(i));
+ aseq2[count] = seq2[j];
+ sb2.append(s2str.charAt(j));
+
+ trace = findTrace(i, j);
+
+ if (trace == 0)
+ {
+ i--;
+ j--;
+ }
+ else if (trace == 1)
+ {
+ j--;
+ aseq1[count] = GAP_INDEX;
+ sb1.replace(sb1.length() - 1, sb1.length(), "-");
+ }
+ else if (trace == -1)
+ {
+ i--;
+ aseq2[count] = GAP_INDEX;
+ sb2.replace(sb2.length() - 1, sb2.length(), "-");
+ }
+
+ count--;
+ }
+
+ seq1start = i + 1;
+ seq2start = j + 1;
+
+ if (aseq1[count] != GAP_INDEX)
+ {
+ aseq1[count] = seq1[i];
+ sb1.append(s1str.charAt(i));
+ }
+
+ if (aseq2[count] != GAP_INDEX)
+ {
+ aseq2[count] = seq2[j];
+ sb2.append(s2str.charAt(j));
+ }
+
+ /*
+ * we built the character strings backwards, so now
+ * reverse them to convert to sequence strings
+ */
+ astr1 = sb1.reverse().toString();
+ astr2 = sb2.reverse().toString();
+ }
+
+ /**
+ * DOCUMENT ME!
+ */
+ public void printAlignment(PrintStream os)
+ {
+ // TODO: Use original sequence characters rather than re-translated
+ // characters in output
+ // Find the biggest id length for formatting purposes
+ String s1id = getAlignedSeq1().getDisplayId(true);
+ String s2id = getAlignedSeq2().getDisplayId(true);
+ int nameLength = Math.max(s1id.length(), s2id.length());
+ if (nameLength > MAX_NAME_LENGTH)
+ {
+ int truncateBy = nameLength - MAX_NAME_LENGTH;
+ nameLength = MAX_NAME_LENGTH;
+ // JAL-527 - truncate the sequence ids
+ if (s1id.length() > nameLength)
+ {
+ int slashPos = s1id.lastIndexOf('/');
+ s1id = s1id.substring(0, slashPos - truncateBy)
+ + s1id.substring(slashPos);
+ }
+ if (s2id.length() > nameLength)
+ {
+ int slashPos = s2id.lastIndexOf('/');
+ s2id = s2id.substring(0, slashPos - truncateBy)
+ + s2id.substring(slashPos);
+ }
+ }
+ int len = 72 - nameLength - 1;
+ int nochunks = ((aseq1.length - count) / len)
+ + ((aseq1.length - count) % len > 0 ? 1 : 0);
+ float pid = 0f;
+
+ output.append("Score = ").append(score[maxi][maxj]).append(NEWLINE);
+ output.append("Length of alignment = ")
+ .append(String.valueOf(aseq1.length - count)).append(NEWLINE);
+ output.append("Sequence ");
+ Format nameFormat = new Format("%" + nameLength + "s");
+ output.append(nameFormat.form(s1id));
+ output.append(" (Sequence length = ")
+ .append(String.valueOf(s1str.length())).append(")")
+ .append(NEWLINE);
+ output.append("Sequence ");
+ output.append(nameFormat.form(s2id));
+ output.append(" (Sequence length = ")
+ .append(String.valueOf(s2str.length())).append(")")
+ .append(NEWLINE).append(NEWLINE);
+
+ ScoreMatrix pam250 = ScoreModels.getInstance().getPam250();
+
+ for (int j = 0; j < nochunks; j++)
+ {
+ // Print the first aligned sequence
+ output.append(nameFormat.form(s1id)).append(" ");
+
+ for (int i = 0; i < len; i++)
+ {
+ if ((i + (j * len)) < astr1.length())
+ {
+ output.append(astr1.charAt(i + (j * len)));
+ }
+ }
+
+ output.append(NEWLINE);
+ output.append(nameFormat.form(" ")).append(" ");
+
+ /*
+ * Print out the match symbols:
+ * | for exact match (ignoring case)
+ * . if PAM250 score is positive
+ * else a space
+ */
+ for (int i = 0; i < len; i++)
+ {
+ if ((i + (j * len)) < astr1.length())
+ {
+ char c1 = astr1.charAt(i + (j * len));
+ char c2 = astr2.charAt(i + (j * len));
+ boolean sameChar = Comparison.isSameResidue(c1, c2, false);
+ if (sameChar && !Comparison.isGap(c1))
+ {
+ pid++;
+ output.append("|");
+ }
+ else if (PEP.equals(type))
+ {
+ if (pam250.getPairwiseScore(c1, c2) > 0)
+ {
+ output.append(".");
+ }
+ else
+ {
+ output.append(" ");
+ }
+ }
+ else
+ {
+ output.append(" ");
+ }
+ }
+ }
+
+ // Now print the second aligned sequence
+ output = output.append(NEWLINE);
+ output = output.append(nameFormat.form(s2id)).append(" ");
+
+ for (int i = 0; i < len; i++)
+ {
+ if ((i + (j * len)) < astr2.length())
+ {
+ output.append(astr2.charAt(i + (j * len)));
+ }
+ }
+
+ output.append(NEWLINE).append(NEWLINE);
+ }
+
+ pid = pid / (aseq1.length - count) * 100;
+ output.append(new Format("Percentage ID = %3.2f\n").form(pid));
+ output.append(NEWLINE);
+ try
+ {
+ os.print(output.toString());
+ } catch (Exception ex)
+ {
+ }
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param i
+ * DOCUMENT ME!
+ * @param j
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ public int findTrace(int i, int j)
+ {
+ int t = 0;
+ float pairwiseScore = scoreMatrix.getPairwiseScore(s1str.charAt(i),
+ s2str.charAt(j));
+ float max = score[i - 1][j - 1] + (pairwiseScore * 10);
+
+ if (F[i][j] > max)
+ {
+ max = F[i][j];
+ t = -1;
+ }
+ else if (F[i][j] == max)
+ {
+ if (prev == -1)
+ {
+ max = F[i][j];
+ t = -1;
+ }
+ }
+
+ if (E[i][j] >= max)
+ {
+ max = E[i][j];
+ t = 1;
+ }
+ else if (E[i][j] == max)
+ {
+ if (prev == 1)
+ {
+ max = E[i][j];
+ t = 1;
+ }
+ }
+
+ prev = t;
+
+ return t;
+ }
+
+ /**
+ * DOCUMENT ME!
+ */
+ public void calcScoreMatrix()
+ {
+ int n = seq1.length;
+ int m = seq2.length;
+
+ // top left hand element
+ score[0][0] = scoreMatrix.getPairwiseScore(s1str.charAt(0),
+ s2str.charAt(0)) * 10;
+ E[0][0] = -GAP_EXTEND_COST;
+ F[0][0] = 0;
+
+ // Calculate the top row first
+ for (int j = 1; j < m; j++)
+ {
+ // What should these values be? 0 maybe
+ E[0][j] = max(score[0][j - 1] - GAP_OPEN_COST, E[0][j - 1] - GAP_EXTEND_COST);
+ F[0][j] = -GAP_EXTEND_COST;
+
+ float pairwiseScore = scoreMatrix.getPairwiseScore(s1str.charAt(0),
+ s2str.charAt(j));
+ score[0][j] = max(pairwiseScore * 10, -GAP_OPEN_COST, -GAP_EXTEND_COST);
+
+ traceback[0][j] = 1;
+ }
+
+ // Now do the left hand column
+ for (int i = 1; i < n; i++)
+ {
+ E[i][0] = -GAP_OPEN_COST;
+ F[i][0] = max(score[i - 1][0] - GAP_OPEN_COST, F[i - 1][0] - GAP_EXTEND_COST);
+
+ float pairwiseScore = scoreMatrix.getPairwiseScore(s1str.charAt(i),
+ s2str.charAt(0));
+ score[i][0] = max(pairwiseScore * 10, E[i][0], F[i][0]);
+ traceback[i][0] = -1;
+ }
+
+ // Now do all the other rows
+ for (int i = 1; i < n; i++)
+ {
+ for (int j = 1; j < m; j++)
+ {
+ E[i][j] = max(score[i][j - 1] - GAP_OPEN_COST, E[i][j - 1] - GAP_EXTEND_COST);
+ F[i][j] = max(score[i - 1][j] - GAP_OPEN_COST, F[i - 1][j] - GAP_EXTEND_COST);
+
+ float pairwiseScore = scoreMatrix.getPairwiseScore(s1str.charAt(i),
+ s2str.charAt(j));
+ score[i][j] = max(score[i - 1][j - 1] + (pairwiseScore * 10),
+ E[i][j], F[i][j]);
+ traceback[i][j] = findTrace(i, j);
+ }
+ }
+ }
+
+ /**
+ * Returns the given sequence with all of the given gap characters removed.
+ *
+ * @param gapChars
+ * a string of characters to be treated as gaps
+ * @param seq
+ * the input sequence
+ *
+ * @return
+ */
+ public static String extractGaps(String gapChars, String seq)
+ {
+ if (gapChars == null || seq == null)
+ {
+ return null;
+ }
+ StringTokenizer str = new StringTokenizer(seq, gapChars);
+ StringBuilder newString = new StringBuilder(seq.length());
+
+ while (str.hasMoreTokens())
+ {
+ newString.append(str.nextToken());
+ }
+
+ return newString.toString();
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param f1
+ * DOCUMENT ME!
+ * @param f2
+ * DOCUMENT ME!
+ * @param f3
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private static float max(float f1, float f2, float f3)
+ {
+ float max = f1;
+
+ if (f2 > f1)
+ {
+ max = f2;
+ }
+
+ if (f3 > max)
+ {
+ max = f3;
+ }
+
+ return max;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param f1
+ * DOCUMENT ME!
+ * @param f2
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private static float max(float f1, float f2)
+ {
+ float max = f1;
+
+ if (f2 > f1)
+ {
+ max = f2;
+ }
+
+ return max;
+ }
+
+ /**
+ * Converts the character string to an array of integers which are the
+ * corresponding indices to the characters in the score matrix
+ *
+ * @param s
+ *
+ * @return
+ */
+ int[] indexEncode(String s)
+ {
+ int[] encoded = new int[s.length()];
+
+ for (int i = 0; i < s.length(); i++)
+ {
+ char c = s.charAt(i);
+ encoded[i] = scoreMatrix.getMatrixIndex(c);
+ }
+
+ return encoded;
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param g
+ * DOCUMENT ME!
+ * @param mat
+ * DOCUMENT ME!
+ * @param n
+ * DOCUMENT ME!
+ * @param m
+ * DOCUMENT ME!
+ * @param psize
+ * DOCUMENT ME!
+ */
+ public static void displayMatrix(Graphics g, int[][] mat, int n, int m,
+ int psize)
+ {
+ // TODO method doesn't seem to be referenced anywhere delete??
+ int max = -1000;
+ int min = 1000;
+
+ for (int i = 0; i < n; i++)
+ {
+ for (int j = 0; j < m; j++)
+ {
+ if (mat[i][j] >= max)
+ {
+ max = mat[i][j];
+ }
+
+ if (mat[i][j] <= min)
+ {
+ min = mat[i][j];
+ }
+ }
+ }
+
+ System.out.println(max + " " + min);
+
+ for (int i = 0; i < n; i++)
+ {
+ for (int j = 0; j < m; j++)
+ {
+ int x = psize * i;
+ int y = psize * j;
+
+ // System.out.println(mat[i][j]);
+ float score = (float) (mat[i][j] - min) / (float) (max - min);
+ g.setColor(new Color(score, 0, 0));
+ g.fillRect(x, y, psize, psize);
+
+ // System.out.println(x + " " + y + " " + score);
+ }
+ }
+ }
+
+ /**
+ * Compute a globally optimal needleman and wunsch alignment between two
+ * sequences
+ *
+ * @param s1
+ * @param s2
+ * @param type
+ * AlignSeq.DNA or AlignSeq.PEP
+ */
+ public static AlignSeq doGlobalNWAlignment(SequenceI s1, SequenceI s2,
+ String type)
+ {
+ AlignSeq as = new AlignSeq(s1, s2, type);
+
+ as.calcScoreMatrix();
+ as.traceAlignment();
+ return as;
+ }
+
+ /**
+ *
+ * @return mapping from positions in S1 to corresponding positions in S2
+ */
+ public jalview.datamodel.Mapping getMappingFromS1(boolean allowmismatch)
+ {
+ ArrayList<Integer> as1 = new ArrayList<Integer>(),
+ as2 = new ArrayList<Integer>();
+ int pdbpos = s2.getStart() + getSeq2Start() - 2;
+ int alignpos = s1.getStart() + getSeq1Start() - 2;
+ int lp2 = pdbpos - 3, lp1 = alignpos - 3;
+ boolean lastmatch = false;
+ // and now trace the alignment onto the atom set.
+ for (int i = 0; i < astr1.length(); i++)
+ {
+ char c1 = astr1.charAt(i), c2 = astr2.charAt(i);
+ if (c1 != '-')
+ {
+ alignpos++;
+ }
+
+ if (c2 != '-')
+ {
+ pdbpos++;
+ }
+
+ if (allowmismatch || c1 == c2)
+ {
+ // extend mapping interval
+ if (lp1 + 1 != alignpos || lp2 + 1 != pdbpos)
+ {
+ as1.add(Integer.valueOf(alignpos));
+ as2.add(Integer.valueOf(pdbpos));
+ }
+ lastmatch = true;
+ lp1 = alignpos;
+ lp2 = pdbpos;
+ }
+ else
+ {
+ // extend mapping interval
+ if (lastmatch)
+ {
+ as1.add(Integer.valueOf(lp1));
+ as2.add(Integer.valueOf(lp2));
+ }
+ lastmatch = false;
+ }
+ }
+ // construct range pairs
+
+ int[] mapseq1 = new int[as1.size() + (lastmatch ? 1 : 0)],
+ mapseq2 = new int[as2.size() + (lastmatch ? 1 : 0)];
+ int i = 0;
+ for (Integer ip : as1)
+ {
+ mapseq1[i++] = ip;
+ }
+ ;
+ i = 0;
+ for (Integer ip : as2)
+ {
+ mapseq2[i++] = ip;
+ }
+ ;
+ if (lastmatch)
+ {
+ mapseq1[mapseq1.length - 1] = alignpos;
+ mapseq2[mapseq2.length - 1] = pdbpos;
+ }
+ MapList map = new MapList(mapseq1, mapseq2, 1, 1);
+
+ jalview.datamodel.Mapping mapping = new Mapping(map);
+ mapping.setTo(s2);
+ return mapping;
+ }
+
+ /**
+ * matches ochains against al and populates seqs with the best match between
+ * each ochain and the set in al
+ *
+ * @param ochains
+ * @param al
+ * @param dnaOrProtein
+ * @param removeOldAnnots
+ * when true, old annotation is cleared before new annotation
+ * transferred
+ * @return List<List<SequenceI> originals, List<SequenceI> replacement,
+ * List<AlignSeq> alignment between each>
+ */
+ public static List<List<? extends Object>> replaceMatchingSeqsWith(
+ List<SequenceI> seqs, List<AlignmentAnnotation> annotations,
+ List<SequenceI> ochains, AlignmentI al, String dnaOrProtein,
+ boolean removeOldAnnots)
+ {
+ List<SequenceI> orig = new ArrayList<SequenceI>(),
+ repl = new ArrayList<SequenceI>();
+ List<AlignSeq> aligs = new ArrayList<AlignSeq>();
+ if (al != null && al.getHeight() > 0)
+ {
+ ArrayList<SequenceI> matches = new ArrayList<SequenceI>();
+ ArrayList<AlignSeq> aligns = new ArrayList<AlignSeq>();
+
+ for (SequenceI sq : ochains)
+ {
+ SequenceI bestm = null;
+ AlignSeq bestaseq = null;
+ float bestscore = 0;
+ for (SequenceI msq : al.getSequences())
+ {
+ AlignSeq aseq = doGlobalNWAlignment(msq, sq, dnaOrProtein);
+ if (bestm == null || aseq.getMaxScore() > bestscore)
+ {
+ bestscore = aseq.getMaxScore();
+ bestaseq = aseq;
+ bestm = msq;
+ }
+ }
+ // System.out.println("Best Score for " + (matches.size() + 1) + " :"
+ // + bestscore);
+ matches.add(bestm);
+ aligns.add(bestaseq);
+ al.deleteSequence(bestm);
+ }
+ for (int p = 0, pSize = seqs.size(); p < pSize; p++)
+ {
+ SequenceI sq, sp = seqs.get(p);
+ int q;
+ if ((q = ochains.indexOf(sp)) > -1)
+ {
+ seqs.set(p, sq = matches.get(q));
+ orig.add(sp);
+ repl.add(sq);
+ sq.setName(sp.getName());
+ sq.setDescription(sp.getDescription());
+ Mapping sp2sq;
+ sq.transferAnnotation(sp,
+ sp2sq = aligns.get(q).getMappingFromS1(false));
+ aligs.add(aligns.get(q));
+ int inspos = -1;
+ for (int ap = 0; ap < annotations.size();)
+ {
+ if (annotations.get(ap).sequenceRef == sp)
+ {
+ if (inspos == -1)
+ {
+ inspos = ap;
+ }
+ if (removeOldAnnots)
+ {
+ annotations.remove(ap);
+ }
+ else
+ {
+ AlignmentAnnotation alan = annotations.remove(ap);
+ alan.liftOver(sq, sp2sq);
+ alan.setSequenceRef(sq);
+ sq.addAlignmentAnnotation(alan);
+ }
+ }
+ else
+ {
+ ap++;
+ }
+ }
+ if (sq.getAnnotation() != null && sq.getAnnotation().length > 0)
+ {
+ annotations.addAll(inspos == -1 ? annotations.size() : inspos,
+ Arrays.asList(sq.getAnnotation()));
+ }
+ }
+ }
+ }
+ return Arrays.asList(orig, repl, aligs);
+ }
+
+ /**
+ * compute the PID vector used by the redundancy filter.
+ *
+ * @param originalSequences
+ * - sequences in alignment that are to filtered
+ * @param omitHidden
+ * - null or strings to be analysed (typically, visible portion of
+ * each sequence in alignment)
+ * @param start
+ * - first column in window for calculation
+ * @param end
+ * - last column in window for calculation
+ * @param ungapped
+ * - if true then use ungapped sequence to compute PID
+ * @return vector containing maximum PID for i-th sequence and any sequences
+ * longer than that seuqence
+ */
+ public static float[] computeRedundancyMatrix(
+ SequenceI[] originalSequences, String[] omitHidden, int start,
+ int end, boolean ungapped)
+ {
+ int height = originalSequences.length;
+ float[] redundancy = new float[height];
+ int[] lngth = new int[height];
+ for (int i = 0; i < height; i++)
+ {
+ redundancy[i] = 0f;
+ lngth[i] = -1;
+ }
+
+ // long start = System.currentTimeMillis();
+
+ SimilarityParams pidParams = new SimilarityParams(true, true, true,
+ true);
+ float pid;
+ String seqi, seqj;
+ for (int i = 0; i < height; i++)
+ {
+
+ for (int j = 0; j < i; j++)
+ {
+ if (i == j)
+ {
+ continue;
+ }
+
+ if (omitHidden == null)
+ {
+ seqi = originalSequences[i].getSequenceAsString(start, end);
+ seqj = originalSequences[j].getSequenceAsString(start, end);
+ }
+ else
+ {
+ seqi = omitHidden[i];
+ seqj = omitHidden[j];
+ }
+ if (lngth[i] == -1)
+ {
+ String ug = AlignSeq.extractGaps(Comparison.GapChars, seqi);
+ lngth[i] = ug.length();
+ if (ungapped)
+ {
+ seqi = ug;
+ }
+ }
+ if (lngth[j] == -1)
+ {
+ String ug = AlignSeq.extractGaps(Comparison.GapChars, seqj);
+ lngth[j] = ug.length();
+ if (ungapped)
+ {
+ seqj = ug;
+ }
+ }
+ pid = (float) PIDModel.computePID(seqi, seqj, pidParams);
+
+ // use real sequence length rather than string length
+ if (lngth[j] < lngth[i])
+ {
+ redundancy[j] = Math.max(pid, redundancy[j]);
+ }
+ else
+ {
+ redundancy[i] = Math.max(pid, redundancy[i]);
+ }
+
+ }
+ }
+ return redundancy;
+ }
+}