- public static Vector calculatePID(SequenceI refseq, Vector sequences,\r
- int window, int start, int end) {\r
- Vector result = new Vector();\r
-\r
- boolean init = true;\r
-\r
- Vector prev = null;\r
-\r
- for (int i = start; i <= end; i++) {\r
- Vector values = new Vector();\r
-\r
- result.addElement(values);\r
-\r
- // If start < window/2 then set value to zero.\r
- if ((i < (window / 2)) ||\r
- (i >= (refseq.getSequence().length() - (window / 2)))) {\r
- for (int j = 0; j < sequences.size(); j++) {\r
- values.addElement(new Integer(0));\r
- }\r
- } else if (init == true) {\r
- init = false;\r
-\r
- int winstart = i - (window / 2);\r
- int winend = i + (window / 2);\r
-\r
- if ((window % 2) != 0) {\r
- winend++;\r
- }\r
-\r
- for (int j = 0; j < sequences.size(); j++) {\r
- values.addElement(new Integer(0));\r
- }\r
-\r
- for (int k = winstart; k <= winend; k++) {\r
- String refchar = refseq.getSequence().substring(k, k + 1);\r
-\r
- if (jalview.util.Comparison.isGap(refchar.charAt(0))) {\r
- refchar = "-";\r
- } else {\r
- for (int j = 0; j < sequences.size(); j++) {\r
- Sequence s = (Sequence) sequences.elementAt(j);\r
-\r
- if (s.getSequence().length() > k) {\r
- String res = s.getSequence().substring(k, k +\r
- 1); // no gapchar test needed\r
-\r
- if (res.equals(refchar)) {\r
- int val = ((Integer) values.elementAt(j)).intValue();\r
- val++;\r
- values.setElementAt(new Integer(val), j);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-\r
- prev = values;\r
- } else {\r
- int winstart = i - (window / 2);\r
- int winend = i + (window / 2);\r
-\r
- if ((window % 2) != 0) {\r
- winend++;\r
- }\r
-\r
- // We need to take the previous set of values\r
- // subtract the pid at winstart-1\r
- // and add the pid at winend;\r
- String pre_refchar = refseq.getSequence().substring(winstart -\r
- 1, winstart);\r
- String pos_refchar = "-";\r
-\r
- if (refseq.getSequence().length() > winend) {\r
- pos_refchar = refseq.getSequence().substring(winend,\r
- winend + 1);\r
- }\r
-\r
- for (int j = 0; j < sequences.size(); j++) {\r
- // First copy the pid value from i-1\r
- int val = ((Integer) prev.elementAt(j)).intValue();\r
-\r
- Sequence s = (Sequence) sequences.elementAt(j);\r
-\r
- String pre_char = s.getSequence().substring(winstart - 1,\r
- winstart);\r
-\r
- String pos_char = "-";\r
-\r
- if (s.getSequence().length() > winend) {\r
- pos_char = s.getSequence().substring(winend, winend +\r
- 1);\r
- }\r
-\r
- // Now substract 1 if the chars at winstart-1 match\r
- if ((jalview.util.Comparison.isGap(pre_refchar.charAt(0)) == false) &&\r
- pre_char.equals(pre_refchar)) {\r
- val--;\r
- }\r