X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fstructure%2FStructureMapping.java;h=3fcb5e9dda64cf2b8413bb4ffabecb24ce559501;hb=4ff572f7cf17f5ca9c23f82bbe41005af8af55cc;hp=d2dcb34108b6565ba24c3574b4946b68e6487db2;hpb=47168f025aefdaa044802bd5f8f510ffe43a4808;p=jalview.git diff --git a/src/jalview/structure/StructureMapping.java b/src/jalview/structure/StructureMapping.java index d2dcb34..3fcb5e9 100644 --- a/src/jalview/structure/StructureMapping.java +++ b/src/jalview/structure/StructureMapping.java @@ -1,6 +1,6 @@ /* - * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2) - * Copyright (C) 2014 The Jalview Authors + * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) + * Copyright (C) $$Year-Rel$$ The Jalview Authors * * This file is part of Jalview. * @@ -20,7 +20,10 @@ */ package jalview.structure; -import jalview.datamodel.*; +import jalview.datamodel.AlignmentAnnotation; +import jalview.datamodel.SequenceI; + +import java.util.HashMap; public class StructureMapping { @@ -34,11 +37,19 @@ public class StructureMapping String pdbchain; - // Mapping index 0 is resNum, index 1 is atomNo - int[][] mapping; + public static final int UNASSIGNED_VALUE = -1; + + private static final int PDB_RES_NUM_INDEX = 0; + + private static final int PDB_ATOM_NUM_INDEX = 1; + + // Mapping key is residue index while value is an array containing PDB resNum, + // and atomNo + HashMap mapping; public StructureMapping(SequenceI seq, String pdbfile, String pdbid, - String chain, int[][] mapping, String mappingDetails) + String chain, HashMap mapping, + String mappingDetails) { sequence = seq; this.pdbfile = pdbfile; @@ -63,39 +74,89 @@ public class StructureMapping return pdbid; } + /** + * + * @param seqpos + * @return 0 or corresponding atom number for the sequence position + */ public int getAtomNum(int seqpos) { - if (mapping.length > seqpos) + int[] resNumAtomMap = mapping.get(seqpos); + if (resNumAtomMap != null) { - return mapping[seqpos][1]; + return resNumAtomMap[PDB_ATOM_NUM_INDEX]; } else { - return 0; + return UNASSIGNED_VALUE; } } + /** + * + * @param seqpos + * @return 0 or the corresponding residue number for the sequence position + */ public int getPDBResNum(int seqpos) { - if (mapping.length > seqpos) + int[] resNumAtomMap = mapping.get(seqpos); + if (resNumAtomMap != null) { - return mapping[seqpos][0]; + return resNumAtomMap[PDB_RES_NUM_INDEX]; } else { - return 0; + return UNASSIGNED_VALUE; } } + /** + * + * @param pdbResNum + * @return -1 or the corresponding sequence position for a pdb residue number + */ public int getSeqPos(int pdbResNum) { - for (int i = 0; i < mapping.length; i++) + for (Integer seqPos : mapping.keySet()) { - if (mapping[i][0] == pdbResNum) + if (pdbResNum == getPDBResNum(seqPos)) { - return i; + return seqPos; } } - return -1; + return UNASSIGNED_VALUE; + } + + /** + * transfer a copy of an alignment annotation row in the PDB chain coordinate + * system onto the mapped sequence + * + * @param ana + * @return the copy that was remapped to the mapped sequence + * @note this method will create a copy and add it to the dataset sequence for + * the mapped sequence as well as the mapped sequence (if it is not a + * dataset sequence). + */ + public AlignmentAnnotation transfer(AlignmentAnnotation ana) + { + AlignmentAnnotation ala_copy = new AlignmentAnnotation(ana); + SequenceI ds = sequence; + while (ds.getDatasetSequence() != null) + { + ds = ds.getDatasetSequence(); + } + // need to relocate annotation from pdb coordinates to local sequence + // -1,-1 doesn't look at pdbresnum but fails to remap sequence positions... + + ala_copy.remap(ds, mapping, -1, -1, 0); + ds.addAlignmentAnnotation(ala_copy); + if (ds != sequence) + { + // mapping wasn't to an original dataset sequence, so we make a copy on + // the mapped sequence too + ala_copy = new AlignmentAnnotation(ala_copy); + sequence.addAlignmentAnnotation(ala_copy); + } + return ala_copy; } }