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root/OpenMD/trunk/src/brains/MoleculeCreator.cpp
Revision: 2071
Committed: Sat Mar 7 21:41:51 2015 UTC (10 years, 1 month ago) by gezelter
File size: 25908 byte(s)
Log Message:
Reducing the number of warnings when using g++ to compile.

File Contents

# User Rev Content
1 gezelter 507 /*
2 gezelter 246 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9 gezelter 1390 * 1. Redistributions of source code must retain the above copyright
10 gezelter 246 * notice, this list of conditions and the following disclaimer.
11     *
12 gezelter 1390 * 2. Redistributions in binary form must reproduce the above copyright
13 gezelter 246 * notice, this list of conditions and the following disclaimer in the
14     * documentation and/or other materials provided with the
15     * distribution.
16     *
17     * This software is provided "AS IS," without a warranty of any
18     * kind. All express or implied conditions, representations and
19     * warranties, including any implied warranty of merchantability,
20     * fitness for a particular purpose or non-infringement, are hereby
21     * excluded. The University of Notre Dame and its licensors shall not
22     * be liable for any damages suffered by licensee as a result of
23     * using, modifying or distributing the software or its
24     * derivatives. In no event will the University of Notre Dame or its
25     * licensors be liable for any lost revenue, profit or data, or for
26     * direct, indirect, special, consequential, incidental or punitive
27     * damages, however caused and regardless of the theory of liability,
28     * arising out of the use of or inability to use software, even if the
29     * University of Notre Dame has been advised of the possibility of
30     * such damages.
31 gezelter 1390 *
32     * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33     * research, please cite the appropriate papers when you publish your
34     * work. Good starting points are:
35     *
36     * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37     * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38 gezelter 1879 * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).
39 gezelter 1782 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40     * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 gezelter 246 */
42    
43 gezelter 507 /**
44     * @file MoleculeCreator.cpp
45     * @author tlin
46     * @date 11/04/2004
47     * @version 1.0
48     */
49 gezelter 246
50     #include <cassert>
51 gezelter 809 #include <typeinfo>
52 gezelter 246 #include <set>
53    
54     #include "brains/MoleculeCreator.hpp"
55     #include "primitives/GhostBend.hpp"
56 tim 273 #include "primitives/GhostTorsion.hpp"
57 gezelter 1782 #include "types/AtomType.hpp"
58 gezelter 246 #include "types/FixedBondType.hpp"
59 gezelter 2046 #include "types/BondTypeParser.hpp"
60     #include "types/BendTypeParser.hpp"
61     #include "types/TorsionTypeParser.hpp"
62     #include "types/InversionTypeParser.hpp"
63 gezelter 246 #include "utils/simError.h"
64     #include "utils/StringUtils.hpp"
65    
66 gezelter 1390 namespace OpenMD {
67 tim 647
68 gezelter 1277 Molecule* MoleculeCreator::createMolecule(ForceField* ff,
69     MoleculeStamp *molStamp,
70     int stampId, int globalIndex,
71     LocalIndexManager* localIndexMan) {
72 gezelter 1908 Molecule* mol = new Molecule(stampId, globalIndex, molStamp->getName(),
73     molStamp->getRegion() );
74 gezelter 1782
75 gezelter 246 //create atoms
76     Atom* atom;
77     AtomStamp* currentAtomStamp;
78     int nAtom = molStamp->getNAtoms();
79     for (int i = 0; i < nAtom; ++i) {
80 tim 770 currentAtomStamp = molStamp->getAtomStamp(i);
81 gezelter 507 atom = createAtom(ff, mol, currentAtomStamp, localIndexMan);
82     mol->addAtom(atom);
83 gezelter 246 }
84    
85     //create rigidbodies
86     RigidBody* rb;
87     RigidBodyStamp * currentRigidBodyStamp;
88     int nRigidbodies = molStamp->getNRigidBodies();
89    
90     for (int i = 0; i < nRigidbodies; ++i) {
91 tim 770 currentRigidBodyStamp = molStamp->getRigidBodyStamp(i);
92 gezelter 1277 rb = createRigidBody(molStamp, mol, currentRigidBodyStamp,
93     localIndexMan);
94 gezelter 507 mol->addRigidBody(rb);
95 gezelter 246 }
96 gezelter 1277
97 gezelter 246 //create bonds
98     Bond* bond;
99     BondStamp* currentBondStamp;
100     int nBonds = molStamp->getNBonds();
101    
102     for (int i = 0; i < nBonds; ++i) {
103 gezelter 2046 currentBondStamp = molStamp->getBondStamp(i);
104 gezelter 1953 bond = createBond(ff, mol, currentBondStamp, localIndexMan);
105 gezelter 507 mol->addBond(bond);
106 gezelter 246 }
107    
108     //create bends
109     Bend* bend;
110     BendStamp* currentBendStamp;
111     int nBends = molStamp->getNBends();
112     for (int i = 0; i < nBends; ++i) {
113 tim 770 currentBendStamp = molStamp->getBendStamp(i);
114 gezelter 1953 bend = createBend(ff, mol, currentBendStamp, localIndexMan);
115 gezelter 507 mol->addBend(bend);
116 gezelter 246 }
117    
118     //create torsions
119     Torsion* torsion;
120     TorsionStamp* currentTorsionStamp;
121     int nTorsions = molStamp->getNTorsions();
122     for (int i = 0; i < nTorsions; ++i) {
123 tim 770 currentTorsionStamp = molStamp->getTorsionStamp(i);
124 gezelter 1953 torsion = createTorsion(ff, mol, currentTorsionStamp, localIndexMan);
125 gezelter 507 mol->addTorsion(torsion);
126 gezelter 246 }
127    
128 gezelter 1277 //create inversions
129     Inversion* inversion;
130     InversionStamp* currentInversionStamp;
131     int nInversions = molStamp->getNInversions();
132     for (int i = 0; i < nInversions; ++i) {
133     currentInversionStamp = molStamp->getInversionStamp(i);
134 gezelter 1953 inversion = createInversion(ff, mol, currentInversionStamp,
135     localIndexMan);
136 gezelter 1277 if (inversion != NULL ) {
137     mol->addInversion(inversion);
138     }
139     }
140    
141 gezelter 246 //create cutoffGroups
142     CutoffGroup* cutoffGroup;
143     CutoffGroupStamp* currentCutoffGroupStamp;
144     int nCutoffGroups = molStamp->getNCutoffGroups();
145     for (int i = 0; i < nCutoffGroups; ++i) {
146 tim 770 currentCutoffGroupStamp = molStamp->getCutoffGroupStamp(i);
147 gezelter 1953 cutoffGroup = createCutoffGroup(mol, currentCutoffGroupStamp,
148     localIndexMan);
149 gezelter 507 mol->addCutoffGroup(cutoffGroup);
150 gezelter 246 }
151    
152     //every free atom is a cutoff group
153 tim 647 std::vector<Atom*> freeAtoms;
154     std::vector<Atom*>::iterator ai;
155     std::vector<Atom*>::iterator fai;
156 gezelter 246
157     //add all atoms into allAtoms set
158 tim 647 for(atom = mol->beginAtom(fai); atom != NULL; atom = mol->nextAtom(fai)) {
159     freeAtoms.push_back(atom);
160 gezelter 246 }
161    
162     Molecule::CutoffGroupIterator ci;
163     CutoffGroup* cg;
164    
165 gezelter 1277 for (cg = mol->beginCutoffGroup(ci); cg != NULL;
166     cg = mol->nextCutoffGroup(ci)) {
167    
168 gezelter 507 for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
169 gezelter 1277 //erase the atoms belong to cutoff groups from freeAtoms vector
170     freeAtoms.erase(std::remove(freeAtoms.begin(), freeAtoms.end(), atom),
171     freeAtoms.end());
172     }
173 gezelter 246 }
174    
175 gezelter 1277 // loop over the free atoms and then create one cutoff group for
176     // every single free atom
177 tim 647
178 gezelter 246 for (fai = freeAtoms.begin(); fai != freeAtoms.end(); ++fai) {
179 gezelter 1782 cutoffGroup = createCutoffGroup(mol, *fai, localIndexMan);
180 gezelter 507 mol->addCutoffGroup(cutoffGroup);
181 gezelter 246 }
182 gezelter 1979
183     //create bonded constraintPairs:
184 gezelter 246 createConstraintPair(mol);
185 gezelter 1979
186     //create non-bonded constraintPairs
187 gezelter 2071 for (std::size_t i = 0; i < molStamp->getNConstraints(); ++i) {
188 gezelter 1979 ConstraintStamp* cStamp = molStamp->getConstraintStamp(i);
189     Atom* atomA;
190     Atom* atomB;
191    
192     atomA = mol->getAtomAt(cStamp->getA());
193     atomB = mol->getAtomAt(cStamp->getB());
194     assert( atomA && atomB );
195    
196     bool printConstraintForce = false;
197    
198 gezelter 2071 if (cStamp->havePrintConstraintForce()) {
199     printConstraintForce = cStamp->getPrintConstraintForce();
200     }
201    
202 gezelter 1979 if (!cStamp->haveConstrainedDistance()) {
203     sprintf(painCave.errMsg,
204     "Constraint Error: A non-bond constraint was specified\n"
205     "\twithout providing a value for the constrainedDistance.\n");
206     painCave.isFatal = 1;
207     simError();
208     } else {
209 gezelter 2071 RealType distance = cStamp->getConstrainedDistance();
210     ConstraintElem* consElemA = new ConstraintElem(atomA);
211     ConstraintElem* consElemB = new ConstraintElem(atomB);
212     ConstraintPair* cPair = new ConstraintPair(consElemA, consElemB,
213     distance,
214     printConstraintForce);
215     mol->addConstraintPair(cPair);
216     }
217 gezelter 1979 }
218    
219     // now create the constraint elements:
220    
221 gezelter 246 createConstraintElem(mol);
222    
223 gezelter 1782 // Does this molecule stamp define a total constrained charge value?
224     // If so, let the created molecule know about it.
225    
226     if (molStamp->haveConstrainTotalCharge() ) {
227     mol->setConstrainTotalCharge( molStamp->getConstrainTotalCharge() );
228     }
229    
230 gezelter 2071 // The construction of this molecule is finished:
231 gezelter 246 mol->complete();
232 gezelter 1277
233 gezelter 246 return mol;
234 gezelter 507 }
235 gezelter 246
236    
237 gezelter 1277 Atom* MoleculeCreator::createAtom(ForceField* ff, Molecule* mol,
238     AtomStamp* stamp,
239     LocalIndexManager* localIndexMan) {
240 gezelter 246 AtomType * atomType;
241     Atom* atom;
242    
243     atomType = ff->getAtomType(stamp->getType());
244 gezelter 1277
245 gezelter 246 if (atomType == NULL) {
246 gezelter 507 sprintf(painCave.errMsg, "Can not find Matching Atom Type for[%s]",
247 tim 770 stamp->getType().c_str());
248 gezelter 246
249 gezelter 507 painCave.isFatal = 1;
250     simError();
251 gezelter 246 }
252 gezelter 1782
253 gezelter 246 //below code still have some kind of hard-coding smell
254     if (atomType->isDirectional()){
255    
256 gezelter 507 DirectionalAtom* dAtom;
257 gezelter 1782 dAtom = new DirectionalAtom(atomType);
258 gezelter 507 atom = dAtom;
259 gezelter 246 }
260     else{
261 gezelter 507 atom = new Atom(atomType);
262 gezelter 246 }
263    
264     atom->setLocalIndex(localIndexMan->getNextAtomIndex());
265    
266     return atom;
267 gezelter 507 }
268 gezelter 1277
269     RigidBody* MoleculeCreator::createRigidBody(MoleculeStamp *molStamp,
270     Molecule* mol,
271 gezelter 507 RigidBodyStamp* rbStamp,
272 gezelter 1953 LocalIndexManager* localIndexMan){
273 gezelter 246 Atom* atom;
274     int nAtoms;
275     Vector3d refCoor;
276     AtomStamp* atomStamp;
277    
278     RigidBody* rb = new RigidBody();
279     nAtoms = rbStamp->getNMembers();
280     for (int i = 0; i < nAtoms; ++i) {
281 gezelter 1277 //rbStamp->getMember(i) return the local index of current atom
282     //inside the molecule. It is not the same as local index of
283     //atom which is the index of atom at DataStorage class
284 tim 770 atom = mol->getAtomAt(rbStamp->getMemberAt(i));
285     atomStamp= molStamp->getAtomStamp(rbStamp->getMemberAt(i));
286 gezelter 507 rb->addAtom(atom, atomStamp);
287 gezelter 246 }
288    
289 gezelter 1277 //after all of the atoms are added, we need to calculate the
290     //reference coordinates
291 gezelter 246 rb->calcRefCoords();
292    
293     //set the local index of this rigid body, global index will be set later
294     rb->setLocalIndex(localIndexMan->getNextRigidBodyIndex());
295    
296 gezelter 1953 // The rule for naming a rigidbody is: MoleculeName_RB_Integer
297     // The first part is the name of the molecule
298     // The second part is always fixed as "RB"
299     // The third part is the index of the rigidbody defined in meta-data file
300     // For example, Butane_RB_0 is a valid rigid body name of butane molecule
301    
302 gezelter 1390 std::string s = OpenMD_itoa(mol->getNRigidBodies(), 10);
303 gezelter 403 rb->setType(mol->getType() + "_RB_" + s.c_str());
304 gezelter 246 return rb;
305 gezelter 507 }
306 gezelter 246
307 gezelter 1277 Bond* MoleculeCreator::createBond(ForceField* ff, Molecule* mol,
308 gezelter 1953 BondStamp* stamp,
309     LocalIndexManager* localIndexMan) {
310 gezelter 2046 BondTypeParser btParser;
311     BondType* bondType = NULL;
312 gezelter 246 Atom* atomA;
313     Atom* atomB;
314 gezelter 1277
315 gezelter 246 atomA = mol->getAtomAt(stamp->getA());
316     atomB = mol->getAtomAt(stamp->getB());
317 gezelter 1277
318 gezelter 246 assert( atomA && atomB);
319    
320 gezelter 2046 if (stamp->hasOverride()) {
321    
322     try {
323     bondType = btParser.parseTypeAndPars(stamp->getOverrideType(),
324     stamp->getOverridePars() );
325     }
326     catch( OpenMDException e) {
327     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
328     "for molecule %s\n",
329     e.what(), mol->getType().c_str() );
330     painCave.isFatal = 1;
331     simError();
332     }
333    
334     } else {
335     bondType = ff->getBondType(atomA->getType(), atomB->getType());
336    
337     if (bondType == NULL) {
338     sprintf(painCave.errMsg, "Can not find Matching Bond Type for[%s, %s]",
339     atomA->getType().c_str(),
340     atomB->getType().c_str());
341    
342     painCave.isFatal = 1;
343     simError();
344     }
345 gezelter 246 }
346 gezelter 2046
347 gezelter 1953 Bond* bond = new Bond(atomA, atomB, bondType);
348    
349     //set the local index of this bond, the global index will be set later
350     bond->setLocalIndex(localIndexMan->getNextBondIndex());
351    
352     // The rule for naming a bond is: MoleculeName_Bond_Integer
353     // The first part is the name of the molecule
354     // The second part is always fixed as "Bond"
355     // The third part is the index of the bond defined in meta-data file
356     // For example, Butane_bond_0 is a valid Bond name in a butane molecule
357    
358     std::string s = OpenMD_itoa(mol->getNBonds(), 10);
359     bond->setName(mol->getType() + "_Bond_" + s.c_str());
360     return bond;
361 gezelter 507 }
362 gezelter 1277
363     Bend* MoleculeCreator::createBend(ForceField* ff, Molecule* mol,
364 gezelter 1953 BendStamp* stamp,
365     LocalIndexManager* localIndexMan) {
366 gezelter 2046 BendTypeParser btParser;
367     BendType* bendType = NULL;
368     Bend* bend = NULL;
369    
370     std::vector<int> bendAtoms = stamp->getMembers();
371 tim 770 if (bendAtoms.size() == 3) {
372     Atom* atomA = mol->getAtomAt(bendAtoms[0]);
373     Atom* atomB = mol->getAtomAt(bendAtoms[1]);
374     Atom* atomC = mol->getAtomAt(bendAtoms[2]);
375 gezelter 1277
376 gezelter 2046 assert( atomA && atomB && atomC );
377    
378     if (stamp->hasOverride()) {
379    
380     try {
381     bendType = btParser.parseTypeAndPars(stamp->getOverrideType(),
382     stamp->getOverridePars() );
383     }
384     catch( OpenMDException e) {
385     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
386     "for molecule %s\n",
387     e.what(), mol->getType().c_str() );
388     painCave.isFatal = 1;
389     simError();
390     }
391     } else {
392    
393     bendType = ff->getBendType(atomA->getType().c_str(),
394     atomB->getType().c_str(),
395     atomC->getType().c_str());
396 gezelter 1277
397 gezelter 2046 if (bendType == NULL) {
398     sprintf(painCave.errMsg,
399     "Can not find Matching Bend Type for[%s, %s, %s]",
400     atomA->getType().c_str(),
401     atomB->getType().c_str(),
402     atomC->getType().c_str());
403    
404     painCave.isFatal = 1;
405     simError();
406     }
407 gezelter 507 }
408 gezelter 1277
409 tim 770 bend = new Bend(atomA, atomB, atomC, bendType);
410 gezelter 2046
411 tim 770 } else if ( bendAtoms.size() == 2 && stamp->haveGhostVectorSource()) {
412     int ghostIndex = stamp->getGhostVectorSource();
413 gezelter 2046 int normalIndex = ghostIndex != bendAtoms[0] ?
414     bendAtoms[0] : bendAtoms[1];
415 gezelter 507 Atom* normalAtom = mol->getAtomAt(normalIndex) ;
416     DirectionalAtom* ghostAtom = dynamic_cast<DirectionalAtom*>(mol->getAtomAt(ghostIndex));
417     if (ghostAtom == NULL) {
418     sprintf(painCave.errMsg, "Can not cast Atom to DirectionalAtom");
419     painCave.isFatal = 1;
420     simError();
421     }
422 gezelter 246
423 gezelter 2046 if (stamp->hasOverride()) {
424    
425     try {
426     bendType = btParser.parseTypeAndPars(stamp->getOverrideType(),
427     stamp->getOverridePars() );
428     }
429     catch( OpenMDException e) {
430     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
431     "for molecule %s\n",
432     e.what(), mol->getType().c_str() );
433     painCave.isFatal = 1;
434     simError();
435     }
436     } else {
437    
438     bendType = ff->getBendType(normalAtom->getType(), ghostAtom->getType(),
439     "GHOST");
440    
441     if (bendType == NULL) {
442     sprintf(painCave.errMsg,
443     "Can not find Matching Bend Type for[%s, %s, %s]",
444     normalAtom->getType().c_str(),
445     ghostAtom->getType().c_str(),
446     "GHOST");
447    
448     painCave.isFatal = 1;
449     simError();
450     }
451 gezelter 507 }
452 gezelter 1277
453 tim 770 bend = new GhostBend(normalAtom, ghostAtom, bendType);
454 gezelter 1277
455 tim 770 }
456 gezelter 2046
457 gezelter 1953 //set the local index of this bend, the global index will be set later
458     bend->setLocalIndex(localIndexMan->getNextBendIndex());
459 gezelter 2046
460 gezelter 1953 // The rule for naming a bend is: MoleculeName_Bend_Integer
461     // The first part is the name of the molecule
462     // The second part is always fixed as "Bend"
463     // The third part is the index of the bend defined in meta-data file
464     // For example, Butane_Bend_0 is a valid Bend name in a butane molecule
465 gezelter 2046
466 gezelter 1953 std::string s = OpenMD_itoa(mol->getNBends(), 10);
467     bend->setName(mol->getType() + "_Bend_" + s.c_str());
468 tim 770 return bend;
469     }
470 gezelter 246
471 gezelter 1277 Torsion* MoleculeCreator::createTorsion(ForceField* ff, Molecule* mol,
472 gezelter 1953 TorsionStamp* stamp,
473     LocalIndexManager* localIndexMan) {
474 gezelter 246
475 gezelter 2046 TorsionTypeParser ttParser;
476     TorsionType* torsionType = NULL;
477 tim 770 Torsion* torsion = NULL;
478 gezelter 2046
479 tim 770 std::vector<int> torsionAtoms = stamp->getMembers();
480     if (torsionAtoms.size() < 3) {
481     return torsion;
482 gezelter 246 }
483    
484 tim 770 Atom* atomA = mol->getAtomAt(torsionAtoms[0]);
485     Atom* atomB = mol->getAtomAt(torsionAtoms[1]);
486     Atom* atomC = mol->getAtomAt(torsionAtoms[2]);
487 gezelter 246
488 tim 770 if (torsionAtoms.size() == 4) {
489     Atom* atomD = mol->getAtomAt(torsionAtoms[3]);
490 gezelter 246
491 gezelter 2046 assert(atomA && atomB && atomC && atomD );
492    
493     if (stamp->hasOverride()) {
494 tim 273
495 gezelter 2046 try {
496     torsionType = ttParser.parseTypeAndPars(stamp->getOverrideType(),
497     stamp->getOverridePars() );
498     }
499     catch( OpenMDException e) {
500     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
501     "for molecule %s\n",
502     e.what(), mol->getType().c_str() );
503     painCave.isFatal = 1;
504     simError();
505     }
506     } else {
507    
508 gezelter 1277
509 gezelter 2046 torsionType = ff->getTorsionType(atomA->getType(),
510     atomB->getType(),
511     atomC->getType(),
512     atomD->getType());
513     if (torsionType == NULL) {
514     sprintf(painCave.errMsg,
515     "Can not find Matching Torsion Type for[%s, %s, %s, %s]",
516     atomA->getType().c_str(),
517     atomB->getType().c_str(),
518     atomC->getType().c_str(),
519     atomD->getType().c_str());
520    
521     painCave.isFatal = 1;
522     simError();
523     }
524 gezelter 507 }
525 gezelter 1277
526 gezelter 507 torsion = new Torsion(atomA, atomB, atomC, atomD, torsionType);
527 gezelter 2046 } else {
528 gezelter 1277
529 tim 770 DirectionalAtom* dAtom = dynamic_cast<DirectionalAtom*>(mol->getAtomAt(stamp->getGhostVectorSource()));
530 gezelter 507 if (dAtom == NULL) {
531     sprintf(painCave.errMsg, "Can not cast Atom to DirectionalAtom");
532     painCave.isFatal = 1;
533     simError();
534     }
535 gezelter 2046
536     if (stamp->hasOverride()) {
537    
538     try {
539     torsionType = ttParser.parseTypeAndPars(stamp->getOverrideType(),
540     stamp->getOverridePars() );
541     }
542     catch( OpenMDException e) {
543     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
544     "for molecule %s\n",
545     e.what(), mol->getType().c_str() );
546     painCave.isFatal = 1;
547     simError();
548     }
549     } else {
550     torsionType = ff->getTorsionType(atomA->getType(), atomB->getType(),
551     atomC->getType(), "GHOST");
552 gezelter 1277
553 gezelter 2046 if (torsionType == NULL) {
554     sprintf(painCave.errMsg,
555     "Can not find Matching Torsion Type for[%s, %s, %s, %s]",
556     atomA->getType().c_str(),
557     atomB->getType().c_str(),
558     atomC->getType().c_str(),
559     "GHOST");
560    
561     painCave.isFatal = 1;
562     simError();
563     }
564 gezelter 507 }
565 gezelter 2046
566 gezelter 507 torsion = new GhostTorsion(atomA, atomB, dAtom, torsionType);
567 tim 273 }
568 gezelter 1953
569     //set the local index of this torsion, the global index will be set later
570     torsion->setLocalIndex(localIndexMan->getNextTorsionIndex());
571 gezelter 1277
572 gezelter 1953 // The rule for naming a torsion is: MoleculeName_Torsion_Integer
573     // The first part is the name of the molecule
574     // The second part is always fixed as "Torsion"
575     // The third part is the index of the torsion defined in meta-data file
576     // For example, Butane_Torsion_0 is a valid Torsion name in a
577     // butane molecule
578    
579     std::string s = OpenMD_itoa(mol->getNTorsions(), 10);
580     torsion->setName(mol->getType() + "_Torsion_" + s.c_str());
581 tim 273 return torsion;
582 gezelter 507 }
583 gezelter 246
584 gezelter 1277 Inversion* MoleculeCreator::createInversion(ForceField* ff, Molecule* mol,
585 gezelter 1953 InversionStamp* stamp,
586     LocalIndexManager* localIndexMan) {
587 gezelter 2046
588     InversionTypeParser itParser;
589     InversionType* inversionType = NULL;
590     Inversion* inversion = NULL;
591 gezelter 1277
592     int center = stamp->getCenter();
593     std::vector<int> satellites = stamp->getSatellites();
594     if (satellites.size() != 3) {
595     return inversion;
596     }
597    
598     Atom* atomA = mol->getAtomAt(center);
599     Atom* atomB = mol->getAtomAt(satellites[0]);
600     Atom* atomC = mol->getAtomAt(satellites[1]);
601     Atom* atomD = mol->getAtomAt(satellites[2]);
602    
603     assert(atomA && atomB && atomC && atomD);
604    
605 gezelter 2046 if (stamp->hasOverride()) {
606 gezelter 1277
607 gezelter 2046 try {
608     inversionType = itParser.parseTypeAndPars(stamp->getOverrideType(),
609     stamp->getOverridePars() );
610     }
611     catch( OpenMDException e) {
612     sprintf(painCave.errMsg, "MoleculeCreator Error: %s "
613     "for molecule %s\n",
614     e.what(), mol->getType().c_str() );
615     painCave.isFatal = 1;
616     simError();
617     }
618 gezelter 1277 } else {
619    
620 gezelter 2046 inversionType = ff->getInversionType(atomA->getType(),
621     atomB->getType(),
622     atomC->getType(),
623     atomD->getType());
624    
625     if (inversionType == NULL) {
626     sprintf(painCave.errMsg,
627     "No Matching Inversion Type for[%s, %s, %s, %s]\n"
628     "\t(May not be a problem: not all inversions are parametrized)\n",
629     atomA->getType().c_str(),
630     atomB->getType().c_str(),
631     atomC->getType().c_str(),
632     atomD->getType().c_str());
633    
634     painCave.isFatal = 0;
635     painCave.severity = OPENMD_INFO;
636     simError();
637     }
638     }
639     if (inversionType != NULL) {
640    
641 gezelter 1277 inversion = new Inversion(atomA, atomB, atomC, atomD, inversionType);
642 gezelter 2046
643 gezelter 1953 // set the local index of this inversion, the global index will
644     // be set later
645     inversion->setLocalIndex(localIndexMan->getNextInversionIndex());
646 gezelter 2046
647 gezelter 1953 // The rule for naming an inversion is: MoleculeName_Inversion_Integer
648     // The first part is the name of the molecule
649     // The second part is always fixed as "Inversion"
650     // The third part is the index of the inversion defined in meta-data file
651     // For example, Benzene_Inversion_0 is a valid Inversion name in a
652     // Benzene molecule
653    
654     std::string s = OpenMD_itoa(mol->getNInversions(), 10);
655     inversion->setName(mol->getType() + "_Inversion_" + s.c_str());
656 gezelter 1277 return inversion;
657 gezelter 2046 } else {
658     return NULL;
659 gezelter 1277 }
660     }
661    
662    
663 gezelter 1782 CutoffGroup* MoleculeCreator::createCutoffGroup(Molecule* mol,
664     CutoffGroupStamp* stamp,
665     LocalIndexManager* localIndexMan) {
666 gezelter 246 int nAtoms;
667     CutoffGroup* cg;
668     Atom* atom;
669     cg = new CutoffGroup();
670    
671     nAtoms = stamp->getNMembers();
672     for (int i =0; i < nAtoms; ++i) {
673 tim 770 atom = mol->getAtomAt(stamp->getMemberAt(i));
674 gezelter 507 assert(atom);
675     cg->addAtom(atom);
676 gezelter 246 }
677 gezelter 1782
678     //set the local index of this cutoffGroup, global index will be set later
679     cg->setLocalIndex(localIndexMan->getNextCutoffGroupIndex());
680    
681 gezelter 246 return cg;
682 gezelter 507 }
683 gezelter 1782
684     CutoffGroup* MoleculeCreator::createCutoffGroup(Molecule * mol, Atom* atom,
685     LocalIndexManager* localIndexMan) {
686 gezelter 246 CutoffGroup* cg;
687     cg = new CutoffGroup();
688     cg->addAtom(atom);
689 gezelter 1782
690     //set the local index of this cutoffGroup, global index will be set later
691     cg->setLocalIndex(localIndexMan->getNextCutoffGroupIndex());
692    
693 gezelter 246 return cg;
694 gezelter 507 }
695 gezelter 246
696 gezelter 507 void MoleculeCreator::createConstraintPair(Molecule* mol) {
697 gezelter 246
698     //add bond constraints
699     Molecule::BondIterator bi;
700     Bond* bond;
701 gezelter 1979 ConstraintPair* cPair;
702    
703 gezelter 246 for (bond = mol->beginBond(bi); bond != NULL; bond = mol->nextBond(bi)) {
704    
705 gezelter 507 BondType* bt = bond->getBondType();
706 gezelter 246
707 gezelter 507 if (typeid(FixedBondType) == typeid(*bt)) {
708     FixedBondType* fbt = dynamic_cast<FixedBondType*>(bt);
709 gezelter 246
710 gezelter 507 ConstraintElem* consElemA = new ConstraintElem(bond->getAtomA());
711     ConstraintElem* consElemB = new ConstraintElem(bond->getAtomB());
712 gezelter 1979 cPair = new ConstraintPair(consElemA, consElemB,
713     fbt->getEquilibriumBondLength(), false);
714     mol->addConstraintPair(cPair);
715 gezelter 507 }
716 gezelter 246 }
717    
718     //rigidbody -- rigidbody constraint is not support yet
719 gezelter 507 }
720 gezelter 246
721 gezelter 507 void MoleculeCreator::createConstraintElem(Molecule* mol) {
722 gezelter 246
723     ConstraintPair* consPair;
724     Molecule::ConstraintPairIterator cpi;
725     std::set<StuntDouble*> sdSet;
726 gezelter 1979 for (consPair = mol->beginConstraintPair(cpi); consPair != NULL;
727     consPair = mol->nextConstraintPair(cpi)) {
728 gezelter 246
729 gezelter 507 StuntDouble* sdA = consPair->getConsElem1()->getStuntDouble();
730     if (sdSet.find(sdA) == sdSet.end()){
731     sdSet.insert(sdA);
732     mol->addConstraintElem(new ConstraintElem(sdA));
733     }
734 gezelter 1979
735 gezelter 507 StuntDouble* sdB = consPair->getConsElem2()->getStuntDouble();
736     if (sdSet.find(sdB) == sdSet.end()){
737     sdSet.insert(sdB);
738     mol->addConstraintElem(new ConstraintElem(sdB));
739 gezelter 1979 }
740 gezelter 246 }
741 gezelter 507 }
742 gezelter 246 }

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