2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.ext.jmol;
23 import jalview.datamodel.AlignmentAnnotation;
24 import jalview.datamodel.Annotation;
25 import jalview.datamodel.PDBEntry;
26 import jalview.datamodel.SequenceI;
27 import jalview.io.DataSourceType;
28 import jalview.io.FileParse;
29 import jalview.io.StructureFile;
30 import jalview.schemes.ResidueProperties;
31 import jalview.structure.StructureImportSettings;
32 import jalview.util.Format;
33 import jalview.util.MessageManager;
35 import java.io.IOException;
36 import java.util.ArrayList;
37 import java.util.HashMap;
38 import java.util.List;
40 import java.util.Vector;
42 import org.jmol.api.JmolStatusListener;
43 import org.jmol.api.JmolViewer;
44 import org.jmol.c.CBK;
45 import org.jmol.c.STR;
46 import org.jmol.modelset.ModelSet;
47 import org.jmol.viewer.Viewer;
50 import MCview.PDBChain;
51 import MCview.Residue;
54 * Import and process files with Jmol for file like PDB, mmCIF
59 public class JmolParser extends StructureFile implements JmolStatusListener
63 public JmolParser(String inFile, DataSourceType sourceType)
66 super(inFile, sourceType);
69 public JmolParser(FileParse fp) throws IOException
79 * Calls the Jmol library to parse the PDB/mmCIF file, and then inspects the
80 * resulting object model to generate Jalview-style sequences, with secondary
81 * structure annotation added where available (i.e. where it has been computed
82 * by Jmol using DSSP).
84 * @see jalview.io.AlignFile#parse()
87 public void parse() throws IOException
89 setChains(new Vector<PDBChain>());
90 Viewer jmolModel = getJmolData();
91 jmolModel.openReader(getDataName(), getDataName(), getReader());
92 waitForScript(jmolModel);
95 * Convert one or more Jmol Model objects to Jalview sequences
97 if (jmolModel.ms.mc > 0)
102 // setStructureFileType(jmolModel.evalString("show _fileType"));
103 // } catch (Exception q)
107 // instead, we distinguish .cif from non-.cif by filename
108 setStructureFileType(getDataName().toLowerCase().endsWith(".cif") ? PDBEntry.Type.MMCIF
109 .toString() : "PDB");
111 transformJmolModelToJalview(jmolModel.ms);
116 * create a headless jmol instance for dataprocessing
120 private Viewer getJmolData()
127 * params -o (output to sysout) -n (nodisplay) -x (exit when finished)
128 * see http://wiki.jmol.org/index.php/Jmol_Application
130 viewer = (Viewer) JmolViewer.allocateViewer(null, null, null, null,
131 null, "-x -o -n", this);
132 // ensure the 'new' (DSSP) not 'old' (Ramachandran) SS method is used
133 viewer.setBooleanProperty("defaultStructureDSSP", true);
134 } catch (ClassCastException x)
136 throw new Error(MessageManager.formatMessage(
137 "error.jmol_version_not_compatible_with_jalview_version",
138 new String[] { JmolViewer.getJmolVersion() }), x);
144 public void transformJmolModelToJalview(ModelSet ms) throws IOException
149 List<SequenceI> rna = new ArrayList<SequenceI>();
150 List<SequenceI> prot = new ArrayList<SequenceI>();
152 String pdbId = (String) ms.getInfo(0, "title");
156 setId(safeName(getDataName()));
157 setPDBIdAvailable(false);
162 setPDBIdAvailable(true);
164 List<Atom> significantAtoms = convertSignificantAtoms(ms);
165 for (Atom tmpatom : significantAtoms)
169 tmpchain = findChain(tmpatom.chain);
170 if (tmpatom.resNumIns.trim().equals(lastID))
172 // phosphorylated protein - seen both CA and P..
175 tmpchain.atoms.addElement(tmpatom);
176 } catch (Exception e)
178 tmpchain = new PDBChain(getId(), tmpatom.chain);
179 getChains().add(tmpchain);
180 tmpchain.atoms.addElement(tmpatom);
182 lastID = tmpatom.resNumIns.trim();
191 // always use resource name, not the hardwired file
192 // Does the value of ID get used ? Behaviour needs to be
193 // documented and tested
194 setId(getDataName());
197 for (PDBChain chain : getChains())
199 SequenceI chainseq = postProcessChain(chain);
209 if (StructureImportSettings.isProcessSecondaryStructure())
211 createAnnotation(chainseq, chain, ms.at);
214 } catch (OutOfMemoryError er)
217 .println("OUT OF MEMORY LOADING TRANSFORMING JMOL MODEL TO JALVIEW MODEL");
218 throw new IOException(
220 .getString("exception.outofmemory_loading_mmcif_file"));
224 private List<Atom> convertSignificantAtoms(ModelSet ms)
226 List<Atom> significantAtoms = new ArrayList<Atom>();
227 HashMap<String, org.jmol.modelset.Atom> chainTerMap = new HashMap<String, org.jmol.modelset.Atom>();
228 org.jmol.modelset.Atom prevAtom = null;
229 for (org.jmol.modelset.Atom atom : ms.at)
231 if (atom.getAtomName().equalsIgnoreCase("CA")
232 || atom.getAtomName().equalsIgnoreCase("P"))
234 if (!atomValidated(atom, prevAtom, chainTerMap))
238 Atom curAtom = new Atom(atom.x, atom.y, atom.z);
239 curAtom.atomIndex = atom.getIndex();
240 curAtom.chain = atom.getChainIDStr();
241 curAtom.insCode = atom.group.getInsertionCode() == '\000' ? ' '
242 : atom.group.getInsertionCode();
243 curAtom.name = atom.getAtomName();
244 curAtom.number = atom.getAtomNumber();
245 curAtom.resName = atom.getGroup3(true);
246 curAtom.resNumber = atom.getResno();
247 curAtom.occupancy = ms.occupancies != null ? ms.occupancies[atom
248 .getIndex()] : Float.valueOf(atom.getOccupancy100());
249 String fmt = new Format("%4i").form(curAtom.resNumber);
250 curAtom.resNumIns = (fmt + curAtom.insCode);
251 curAtom.tfactor = atom.getBfactor100() / 100f;
253 // significantAtoms.add(curAtom);
254 // ignore atoms from subsequent models
255 if (!significantAtoms.contains(curAtom))
257 significantAtoms.add(curAtom);
262 return significantAtoms;
265 private boolean atomValidated(org.jmol.modelset.Atom curAtom,
266 org.jmol.modelset.Atom prevAtom,
267 HashMap<String, org.jmol.modelset.Atom> chainTerMap)
269 // System.out.println("Atom: " + curAtom.getAtomNumber()
270 // + " Last atom index " + curAtom.group.lastAtomIndex);
271 if (chainTerMap == null || prevAtom == null)
275 String curAtomChId = curAtom.getChainIDStr();
276 String prevAtomChId = prevAtom.getChainIDStr();
277 // new chain encoutered
278 if (!prevAtomChId.equals(curAtomChId))
280 // On chain switch add previous chain termination to xTerMap if not exists
281 if (!chainTerMap.containsKey(prevAtomChId))
283 chainTerMap.put(prevAtomChId, prevAtom);
285 // if current atom belongs to an already terminated chain and the resNum
286 // diff < 5 then mark as valid and update termination Atom
287 if (chainTerMap.containsKey(curAtomChId))
289 if (curAtom.getResno() < chainTerMap.get(curAtomChId).getResno())
293 if ((curAtom.getResno() - chainTerMap.get(curAtomChId).getResno()) < 5)
295 chainTerMap.put(curAtomChId, curAtom);
301 // atom with previously terminated chain encountered
302 else if (chainTerMap.containsKey(curAtomChId))
304 if (curAtom.getResno() < chainTerMap.get(curAtomChId).getResno())
308 if ((curAtom.getResno() - chainTerMap.get(curAtomChId).getResno()) < 5)
310 chainTerMap.put(curAtomChId, curAtom);
315 // HETATM with resNum jump > 2
316 return !(curAtom.isHetero() && ((curAtom.getResno() - prevAtom
320 private void createAnnotation(SequenceI sequence, PDBChain chain,
321 org.jmol.modelset.Atom[] jmolAtoms)
323 char[] secstr = new char[sequence.getLength()];
324 char[] secstrcode = new char[sequence.getLength()];
326 // Ensure Residue size equals Seq size
327 if (chain.residues.size() != sequence.getLength())
332 for (Residue residue : chain.residues)
334 Atom repAtom = residue.getAtoms().get(0);
335 STR proteinStructureSubType = jmolAtoms[repAtom.atomIndex].group
336 .getProteinStructureSubType();
337 setSecondaryStructure(proteinStructureSubType, annotIndex, secstr,
341 addSecondaryStructureAnnotation(chain.pdbid, sequence, secstr,
342 secstrcode, chain.id, sequence.getStart());
346 * Helper method that adds an AlignmentAnnotation for secondary structure to
347 * the sequence, provided at least one secondary structure prediction has been
358 protected void addSecondaryStructureAnnotation(String modelTitle,
359 SequenceI sq, char[] secstr, char[] secstrcode, String chainId,
362 char[] seq = sq.getSequence();
363 boolean ssFound = false;
364 Annotation asecstr[] = new Annotation[seq.length + firstResNum - 1];
365 for (int p = 0; p < seq.length; p++)
367 if (secstr[p] >= 'A' && secstr[p] <= 'z')
371 asecstr[p] = new Annotation(String.valueOf(secstr[p]), null,
372 secstrcode[p], Float.NaN);
374 } catch (Exception e)
376 // e.printStackTrace();
383 String mt = modelTitle == null ? getDataName() : modelTitle;
385 AlignmentAnnotation ann = new AlignmentAnnotation(
386 "Secondary Structure", "Secondary Structure for " + mt,
388 ann.belowAlignment = true;
390 ann.autoCalculated = false;
391 ann.setCalcId(getClass().getName());
392 ann.adjustForAlignment();
393 ann.validateRangeAndDisplay();
394 annotations.add(ann);
395 sq.addAlignmentAnnotation(ann);
399 private void waitForScript(Viewer jmd)
401 while (jmd.isScriptExecuting())
407 } catch (InterruptedException x)
414 * Convert Jmol's secondary structure code to Jalview's, and stored it in the
415 * secondary structure arrays at the given sequence position
417 * @param proteinStructureSubType
422 protected void setSecondaryStructure(STR proteinStructureSubType,
423 int pos, char[] secstr, char[] secstrcode)
425 switch (proteinStructureSubType)
444 switch (proteinStructureSubType)
450 secstrcode[pos] = 'H';
453 secstrcode[pos] = 'E';
461 * Convert any non-standard peptide codes to their standard code table
462 * equivalent. (Initial version only does Selenomethionine MSE->MET.)
464 * @param threeLetterCode
468 protected void replaceNonCanonicalResidue(String threeLetterCode,
471 String canonical = ResidueProperties
472 .getCanonicalAminoAcid(threeLetterCode);
473 if (canonical != null && !canonical.equalsIgnoreCase(threeLetterCode))
475 seq[pos] = ResidueProperties.getSingleCharacterCode(canonical);
480 * Not implemented - returns null
483 public String print(SequenceI[] seqs, boolean jvSuffix)
492 public void setCallbackFunction(String callbackType,
493 String callbackFunction)
498 public void notifyCallback(CBK cbType, Object[] data)
500 String strInfo = (data == null || data[1] == null ? null : data[1]
505 sendConsoleEcho(strInfo);
508 notifyScriptTermination((String) data[2],
509 ((Integer) data[3]).intValue());
512 String mystatus = (String) data[3];
513 if (mystatus.indexOf("Picked") >= 0
514 || mystatus.indexOf("Sequence") >= 0)
517 sendConsoleMessage(strInfo);
519 else if (mystatus.indexOf("Completed") >= 0)
521 sendConsoleEcho(strInfo.substring(strInfo.lastIndexOf(",") + 2,
522 strInfo.length() - 1));
526 sendConsoleMessage(data == null ? null : strInfo);
529 sendConsoleMessage(strInfo);
536 String lastConsoleEcho = "";
538 private void sendConsoleEcho(String string)
540 lastConsoleEcho += string;
541 lastConsoleEcho += "\n";
544 String lastConsoleMessage = "";
546 private void sendConsoleMessage(String string)
548 lastConsoleMessage += string;
549 lastConsoleMessage += "\n";
552 int lastScriptTermination = -1;
554 String lastScriptMessage = "";
556 private void notifyScriptTermination(String string, int intValue)
558 lastScriptMessage += string;
559 lastScriptMessage += "\n";
560 lastScriptTermination = intValue;
564 public boolean notifyEnabled(CBK callbackPick)
566 switch (callbackPick)
580 * Not implemented - returns null
583 public String eval(String strEval)
589 * Not implemented - returns null
592 public float[][] functionXY(String functionName, int x, int y)
598 * Not implemented - returns null
601 public float[][][] functionXYZ(String functionName, int nx, int ny, int nz)
607 * Not implemented - returns null
610 public String createImage(String fileName, String imageType,
611 Object text_or_bytes, int quality)
617 * Not implemented - returns null
620 public Map<String, Object> getRegistryInfo()
629 public void showUrl(String url)
634 * Not implemented - returns null
637 public int[] resizeInnerPanel(String data)
643 public Map<String, Object> getJSpecViewProperty(String arg0)
648 public boolean isPredictSecondaryStructure()
650 return predictSecondaryStructure;
653 public void setPredictSecondaryStructure(boolean predictSecondaryStructure)
655 this.predictSecondaryStructure = predictSecondaryStructure;
658 public boolean isVisibleChainAnnotation()
660 return visibleChainAnnotation;
663 public void setVisibleChainAnnotation(boolean visibleChainAnnotation)
665 this.visibleChainAnnotation = visibleChainAnnotation;