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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

# Content
1 /*
2 * 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 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * 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 *
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 * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).
39 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 /**
44 * @file MoleculeCreator.cpp
45 * @author tlin
46 * @date 11/04/2004
47 * @version 1.0
48 */
49
50 #include <cassert>
51 #include <typeinfo>
52 #include <set>
53
54 #include "brains/MoleculeCreator.hpp"
55 #include "primitives/GhostBend.hpp"
56 #include "primitives/GhostTorsion.hpp"
57 #include "types/AtomType.hpp"
58 #include "types/FixedBondType.hpp"
59 #include "types/BondTypeParser.hpp"
60 #include "types/BendTypeParser.hpp"
61 #include "types/TorsionTypeParser.hpp"
62 #include "types/InversionTypeParser.hpp"
63 #include "utils/simError.h"
64 #include "utils/StringUtils.hpp"
65
66 namespace OpenMD {
67
68 Molecule* MoleculeCreator::createMolecule(ForceField* ff,
69 MoleculeStamp *molStamp,
70 int stampId, int globalIndex,
71 LocalIndexManager* localIndexMan) {
72 Molecule* mol = new Molecule(stampId, globalIndex, molStamp->getName(),
73 molStamp->getRegion() );
74
75 //create atoms
76 Atom* atom;
77 AtomStamp* currentAtomStamp;
78 int nAtom = molStamp->getNAtoms();
79 for (int i = 0; i < nAtom; ++i) {
80 currentAtomStamp = molStamp->getAtomStamp(i);
81 atom = createAtom(ff, mol, currentAtomStamp, localIndexMan);
82 mol->addAtom(atom);
83 }
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 currentRigidBodyStamp = molStamp->getRigidBodyStamp(i);
92 rb = createRigidBody(molStamp, mol, currentRigidBodyStamp,
93 localIndexMan);
94 mol->addRigidBody(rb);
95 }
96
97 //create bonds
98 Bond* bond;
99 BondStamp* currentBondStamp;
100 int nBonds = molStamp->getNBonds();
101
102 for (int i = 0; i < nBonds; ++i) {
103 currentBondStamp = molStamp->getBondStamp(i);
104 bond = createBond(ff, mol, currentBondStamp, localIndexMan);
105 mol->addBond(bond);
106 }
107
108 //create bends
109 Bend* bend;
110 BendStamp* currentBendStamp;
111 int nBends = molStamp->getNBends();
112 for (int i = 0; i < nBends; ++i) {
113 currentBendStamp = molStamp->getBendStamp(i);
114 bend = createBend(ff, mol, currentBendStamp, localIndexMan);
115 mol->addBend(bend);
116 }
117
118 //create torsions
119 Torsion* torsion;
120 TorsionStamp* currentTorsionStamp;
121 int nTorsions = molStamp->getNTorsions();
122 for (int i = 0; i < nTorsions; ++i) {
123 currentTorsionStamp = molStamp->getTorsionStamp(i);
124 torsion = createTorsion(ff, mol, currentTorsionStamp, localIndexMan);
125 mol->addTorsion(torsion);
126 }
127
128 //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 inversion = createInversion(ff, mol, currentInversionStamp,
135 localIndexMan);
136 if (inversion != NULL ) {
137 mol->addInversion(inversion);
138 }
139 }
140
141 //create cutoffGroups
142 CutoffGroup* cutoffGroup;
143 CutoffGroupStamp* currentCutoffGroupStamp;
144 int nCutoffGroups = molStamp->getNCutoffGroups();
145 for (int i = 0; i < nCutoffGroups; ++i) {
146 currentCutoffGroupStamp = molStamp->getCutoffGroupStamp(i);
147 cutoffGroup = createCutoffGroup(mol, currentCutoffGroupStamp,
148 localIndexMan);
149 mol->addCutoffGroup(cutoffGroup);
150 }
151
152 //every free atom is a cutoff group
153 std::vector<Atom*> freeAtoms;
154 std::vector<Atom*>::iterator ai;
155 std::vector<Atom*>::iterator fai;
156
157 //add all atoms into allAtoms set
158 for(atom = mol->beginAtom(fai); atom != NULL; atom = mol->nextAtom(fai)) {
159 freeAtoms.push_back(atom);
160 }
161
162 Molecule::CutoffGroupIterator ci;
163 CutoffGroup* cg;
164
165 for (cg = mol->beginCutoffGroup(ci); cg != NULL;
166 cg = mol->nextCutoffGroup(ci)) {
167
168 for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
169 //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 }
174
175 // loop over the free atoms and then create one cutoff group for
176 // every single free atom
177
178 for (fai = freeAtoms.begin(); fai != freeAtoms.end(); ++fai) {
179 cutoffGroup = createCutoffGroup(mol, *fai, localIndexMan);
180 mol->addCutoffGroup(cutoffGroup);
181 }
182
183 //create bonded constraintPairs:
184 createConstraintPair(mol);
185
186 //create non-bonded constraintPairs
187 for (std::size_t i = 0; i < molStamp->getNConstraints(); ++i) {
188 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 if (cStamp->havePrintConstraintForce()) {
199 printConstraintForce = cStamp->getPrintConstraintForce();
200 }
201
202 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 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 }
218
219 // now create the constraint elements:
220
221 createConstraintElem(mol);
222
223 // 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 // The construction of this molecule is finished:
231 mol->complete();
232
233 return mol;
234 }
235
236
237 Atom* MoleculeCreator::createAtom(ForceField* ff, Molecule* mol,
238 AtomStamp* stamp,
239 LocalIndexManager* localIndexMan) {
240 AtomType * atomType;
241 Atom* atom;
242
243 atomType = ff->getAtomType(stamp->getType());
244
245 if (atomType == NULL) {
246 sprintf(painCave.errMsg, "Can not find Matching Atom Type for[%s]",
247 stamp->getType().c_str());
248
249 painCave.isFatal = 1;
250 simError();
251 }
252
253 //below code still have some kind of hard-coding smell
254 if (atomType->isDirectional()){
255
256 DirectionalAtom* dAtom;
257 dAtom = new DirectionalAtom(atomType);
258 atom = dAtom;
259 }
260 else{
261 atom = new Atom(atomType);
262 }
263
264 atom->setLocalIndex(localIndexMan->getNextAtomIndex());
265
266 return atom;
267 }
268
269 RigidBody* MoleculeCreator::createRigidBody(MoleculeStamp *molStamp,
270 Molecule* mol,
271 RigidBodyStamp* rbStamp,
272 LocalIndexManager* localIndexMan){
273 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 //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 atom = mol->getAtomAt(rbStamp->getMemberAt(i));
285 atomStamp= molStamp->getAtomStamp(rbStamp->getMemberAt(i));
286 rb->addAtom(atom, atomStamp);
287 }
288
289 //after all of the atoms are added, we need to calculate the
290 //reference coordinates
291 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 // 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 std::string s = OpenMD_itoa(mol->getNRigidBodies(), 10);
303 rb->setType(mol->getType() + "_RB_" + s.c_str());
304 return rb;
305 }
306
307 Bond* MoleculeCreator::createBond(ForceField* ff, Molecule* mol,
308 BondStamp* stamp,
309 LocalIndexManager* localIndexMan) {
310 BondTypeParser btParser;
311 BondType* bondType = NULL;
312 Atom* atomA;
313 Atom* atomB;
314
315 atomA = mol->getAtomAt(stamp->getA());
316 atomB = mol->getAtomAt(stamp->getB());
317
318 assert( atomA && atomB);
319
320 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 }
346
347 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 }
362
363 Bend* MoleculeCreator::createBend(ForceField* ff, Molecule* mol,
364 BendStamp* stamp,
365 LocalIndexManager* localIndexMan) {
366 BendTypeParser btParser;
367 BendType* bendType = NULL;
368 Bend* bend = NULL;
369
370 std::vector<int> bendAtoms = stamp->getMembers();
371 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
376 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
397 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 }
408
409 bend = new Bend(atomA, atomB, atomC, bendType);
410
411 } else if ( bendAtoms.size() == 2 && stamp->haveGhostVectorSource()) {
412 int ghostIndex = stamp->getGhostVectorSource();
413 int normalIndex = ghostIndex != bendAtoms[0] ?
414 bendAtoms[0] : bendAtoms[1];
415 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
423 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 }
452
453 bend = new GhostBend(normalAtom, ghostAtom, bendType);
454
455 }
456
457 //set the local index of this bend, the global index will be set later
458 bend->setLocalIndex(localIndexMan->getNextBendIndex());
459
460 // 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
466 std::string s = OpenMD_itoa(mol->getNBends(), 10);
467 bend->setName(mol->getType() + "_Bend_" + s.c_str());
468 return bend;
469 }
470
471 Torsion* MoleculeCreator::createTorsion(ForceField* ff, Molecule* mol,
472 TorsionStamp* stamp,
473 LocalIndexManager* localIndexMan) {
474
475 TorsionTypeParser ttParser;
476 TorsionType* torsionType = NULL;
477 Torsion* torsion = NULL;
478
479 std::vector<int> torsionAtoms = stamp->getMembers();
480 if (torsionAtoms.size() < 3) {
481 return torsion;
482 }
483
484 Atom* atomA = mol->getAtomAt(torsionAtoms[0]);
485 Atom* atomB = mol->getAtomAt(torsionAtoms[1]);
486 Atom* atomC = mol->getAtomAt(torsionAtoms[2]);
487
488 if (torsionAtoms.size() == 4) {
489 Atom* atomD = mol->getAtomAt(torsionAtoms[3]);
490
491 assert(atomA && atomB && atomC && atomD );
492
493 if (stamp->hasOverride()) {
494
495 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
509 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 }
525
526 torsion = new Torsion(atomA, atomB, atomC, atomD, torsionType);
527 } else {
528
529 DirectionalAtom* dAtom = dynamic_cast<DirectionalAtom*>(mol->getAtomAt(stamp->getGhostVectorSource()));
530 if (dAtom == NULL) {
531 sprintf(painCave.errMsg, "Can not cast Atom to DirectionalAtom");
532 painCave.isFatal = 1;
533 simError();
534 }
535
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
553 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 }
565
566 torsion = new GhostTorsion(atomA, atomB, dAtom, torsionType);
567 }
568
569 //set the local index of this torsion, the global index will be set later
570 torsion->setLocalIndex(localIndexMan->getNextTorsionIndex());
571
572 // 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 return torsion;
582 }
583
584 Inversion* MoleculeCreator::createInversion(ForceField* ff, Molecule* mol,
585 InversionStamp* stamp,
586 LocalIndexManager* localIndexMan) {
587
588 InversionTypeParser itParser;
589 InversionType* inversionType = NULL;
590 Inversion* inversion = NULL;
591
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 if (stamp->hasOverride()) {
606
607 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 } else {
619
620 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 inversion = new Inversion(atomA, atomB, atomC, atomD, inversionType);
642
643 // set the local index of this inversion, the global index will
644 // be set later
645 inversion->setLocalIndex(localIndexMan->getNextInversionIndex());
646
647 // 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 return inversion;
657 } else {
658 return NULL;
659 }
660 }
661
662
663 CutoffGroup* MoleculeCreator::createCutoffGroup(Molecule* mol,
664 CutoffGroupStamp* stamp,
665 LocalIndexManager* localIndexMan) {
666 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 atom = mol->getAtomAt(stamp->getMemberAt(i));
674 assert(atom);
675 cg->addAtom(atom);
676 }
677
678 //set the local index of this cutoffGroup, global index will be set later
679 cg->setLocalIndex(localIndexMan->getNextCutoffGroupIndex());
680
681 return cg;
682 }
683
684 CutoffGroup* MoleculeCreator::createCutoffGroup(Molecule * mol, Atom* atom,
685 LocalIndexManager* localIndexMan) {
686 CutoffGroup* cg;
687 cg = new CutoffGroup();
688 cg->addAtom(atom);
689
690 //set the local index of this cutoffGroup, global index will be set later
691 cg->setLocalIndex(localIndexMan->getNextCutoffGroupIndex());
692
693 return cg;
694 }
695
696 void MoleculeCreator::createConstraintPair(Molecule* mol) {
697
698 //add bond constraints
699 Molecule::BondIterator bi;
700 Bond* bond;
701 ConstraintPair* cPair;
702
703 for (bond = mol->beginBond(bi); bond != NULL; bond = mol->nextBond(bi)) {
704
705 BondType* bt = bond->getBondType();
706
707 if (typeid(FixedBondType) == typeid(*bt)) {
708 FixedBondType* fbt = dynamic_cast<FixedBondType*>(bt);
709
710 ConstraintElem* consElemA = new ConstraintElem(bond->getAtomA());
711 ConstraintElem* consElemB = new ConstraintElem(bond->getAtomB());
712 cPair = new ConstraintPair(consElemA, consElemB,
713 fbt->getEquilibriumBondLength(), false);
714 mol->addConstraintPair(cPair);
715 }
716 }
717
718 //rigidbody -- rigidbody constraint is not support yet
719 }
720
721 void MoleculeCreator::createConstraintElem(Molecule* mol) {
722
723 ConstraintPair* consPair;
724 Molecule::ConstraintPairIterator cpi;
725 std::set<StuntDouble*> sdSet;
726 for (consPair = mol->beginConstraintPair(cpi); consPair != NULL;
727 consPair = mol->nextConstraintPair(cpi)) {
728
729 StuntDouble* sdA = consPair->getConsElem1()->getStuntDouble();
730 if (sdSet.find(sdA) == sdSet.end()){
731 sdSet.insert(sdA);
732 mol->addConstraintElem(new ConstraintElem(sdA));
733 }
734
735 StuntDouble* sdB = consPair->getConsElem2()->getStuntDouble();
736 if (sdSet.find(sdB) == sdSet.end()){
737 sdSet.insert(sdB);
738 mol->addConstraintElem(new ConstraintElem(sdB));
739 }
740 }
741 }
742 }

Properties

Name Value
svn:executable *
svn:keywords Author Id Revision Date