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root/OpenMD/trunk/src/primitives/Molecule.cpp
Revision: 2052
Committed: Fri Jan 9 19:06:35 2015 UTC (10 years, 3 months ago) by gezelter
File size: 14239 byte(s)
Log Message:
Updating Hydrogen Bonding structures, and selection syntax to include molecule selections:

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     /**
44     * @file Molecule.cpp
45     * @author tlin
46     * @date 10/28/2004
47     * @version 1.0
48     */
49 gezelter 2
50 gezelter 246 #include <algorithm>
51     #include <set>
52 gezelter 2
53 tim 3 #include "primitives/Molecule.hpp"
54 gezelter 246 #include "utils/MemoryUtils.hpp"
55 tim 3 #include "utils/simError.h"
56 gezelter 2052 #include "utils/ElementsTable.hpp"
57 gezelter 2
58 gezelter 1390 namespace OpenMD {
59 gezelter 1908 Molecule::Molecule(int stampId, int globalIndex, const std::string& molName,
60     int region) : stampId_(stampId),
61     globalIndex_(globalIndex),
62     moleculeName_(molName),
63     region_(region),
64     constrainTotalCharge_(false) {
65 gezelter 1211 }
66    
67 gezelter 507 Molecule::~Molecule() {
68 gezelter 1211
69 tim 398 MemoryUtils::deletePointers(atoms_);
70     MemoryUtils::deletePointers(bonds_);
71     MemoryUtils::deletePointers(bends_);
72     MemoryUtils::deletePointers(torsions_);
73 gezelter 1277 MemoryUtils::deletePointers(inversions_);
74 tim 398 MemoryUtils::deletePointers(rigidBodies_);
75     MemoryUtils::deletePointers(cutoffGroups_);
76     MemoryUtils::deletePointers(constraintPairs_);
77     MemoryUtils::deletePointers(constraintElems_);
78 gezelter 1782
79 gezelter 1211 // integrableObjects_ don't own the objects
80 gezelter 246 integrableObjects_.clear();
81 gezelter 1782 fluctuatingCharges_.clear();
82 gezelter 246
83 gezelter 507 }
84 gezelter 1211
85 gezelter 507 void Molecule::addAtom(Atom* atom) {
86 gezelter 246 if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) {
87 gezelter 507 atoms_.push_back(atom);
88 gezelter 246 }
89 gezelter 507 }
90 gezelter 1211
91 gezelter 507 void Molecule::addBond(Bond* bond) {
92 gezelter 246 if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) {
93 gezelter 507 bonds_.push_back(bond);
94 gezelter 246 }
95 gezelter 507 }
96 gezelter 1211
97 gezelter 507 void Molecule::addBend(Bend* bend) {
98 gezelter 246 if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) {
99 gezelter 507 bends_.push_back(bend);
100 gezelter 246 }
101 gezelter 507 }
102 gezelter 1211
103 gezelter 507 void Molecule::addTorsion(Torsion* torsion) {
104 gezelter 1211 if (std::find(torsions_.begin(), torsions_.end(), torsion) ==
105     torsions_.end()) {
106 gezelter 507 torsions_.push_back(torsion);
107 gezelter 246 }
108 gezelter 507 }
109 gezelter 1277
110     void Molecule::addInversion(Inversion* inversion) {
111     if (std::find(inversions_.begin(), inversions_.end(), inversion) ==
112     inversions_.end()) {
113     inversions_.push_back(inversion);
114     }
115     }
116 gezelter 1211
117 gezelter 507 void Molecule::addRigidBody(RigidBody *rb) {
118 gezelter 1211 if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) ==
119     rigidBodies_.end()) {
120 gezelter 507 rigidBodies_.push_back(rb);
121 gezelter 246 }
122 gezelter 507 }
123 gezelter 1211
124 gezelter 507 void Molecule::addCutoffGroup(CutoffGroup* cp) {
125 gezelter 1211 if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) ==
126     cutoffGroups_.end()) {
127 gezelter 507 cutoffGroups_.push_back(cp);
128 gezelter 1211 }
129 gezelter 507 }
130 gezelter 1211
131 gezelter 507 void Molecule::addConstraintPair(ConstraintPair* cp) {
132 gezelter 1211 if (std::find(constraintPairs_.begin(), constraintPairs_.end(), cp) ==
133     constraintPairs_.end()) {
134 gezelter 507 constraintPairs_.push_back(cp);
135 gezelter 1211 }
136 gezelter 507 }
137 gezelter 1211
138 gezelter 507 void Molecule::addConstraintElem(ConstraintElem* cp) {
139 gezelter 1211 if (std::find(constraintElems_.begin(), constraintElems_.end(), cp) ==
140     constraintElems_.end()) {
141 gezelter 507 constraintElems_.push_back(cp);
142 gezelter 246 }
143 gezelter 507 }
144 gezelter 1211
145 gezelter 507 void Molecule::complete() {
146 gezelter 246
147     std::set<Atom*> rigidAtoms;
148 gezelter 1782 Atom* atom;
149 gezelter 2052 Atom* atom1;
150     Atom* atom2;
151     AtomIterator ai, aj;
152 gezelter 246 RigidBody* rb;
153 gezelter 1782 RigidBodyIterator rbIter;
154 gezelter 2052 Bond* bond;
155     BondIterator bi;
156 gezelter 2
157 gezelter 1782 // Get list of all the atoms that are part of rigid bodies
158    
159 gezelter 246 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
160 gezelter 507 rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter());
161 gezelter 246 }
162 gezelter 1211
163 gezelter 1782 // add any atom that wasn't part of a rigid body to the list of integrableObjects
164    
165 gezelter 246 for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
166 gezelter 1211
167 gezelter 1782 if (rigidAtoms.find(atom) == rigidAtoms.end()) {
168 gezelter 1211
169     // If an atom does not belong to a rigid body, it is an
170     // integrable object
171    
172 gezelter 1782 integrableObjects_.push_back(atom);
173 gezelter 507 }
174 gezelter 246 }
175 gezelter 1211
176 gezelter 1782 // then add the rigid bodies themselves to the integrableObjects
177 gezelter 2
178 tim 372 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
179     integrableObjects_.push_back(rb);
180     }
181 gezelter 1782
182     // find the atoms that are fluctuating charges and add them to the
183     // fluctuatingCharges_ vector
184    
185     for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
186     if ( atom->isFluctuatingCharge() )
187     fluctuatingCharges_.push_back( atom );
188     }
189    
190 gezelter 2052
191     // find the electronegative atoms and add them to the
192     // hBondAcceptors_ vector:
193    
194     for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
195     AtomType* at = atom->getAtomType();
196     // get the chain of base types for this atom type:
197     std::vector<AtomType*> ayb = at->allYourBase();
198     // use the last type in the chain of base types for the name:
199     std::string bn = ayb[ayb.size()-1]->getName();
200    
201     int obanum = etab.GetAtomicNum(bn.c_str());
202     if (obanum != 0) {
203     RealType eneg = etab.GetElectroNeg(obanum);
204     if (eneg > 3.01) {
205     hBondAcceptors_.push_back( atom );
206     }
207     }
208     }
209    
210     // find electronegative atoms that are either bonded to hydrogens or are
211     // present in the same rigid bodies:
212    
213     for (bond = beginBond(bi); bond != NULL; bond = nextBond(bi)) {
214     Atom* atom1 = bond->getAtomA();
215     Atom* atom2 = bond->getAtomB();
216     AtomType* at1 = atom1->getAtomType();
217     AtomType* at2 = atom1->getAtomType();
218     // get the chain of base types for this atom type:
219     std::vector<AtomType*> ayb1 = at1->allYourBase();
220     std::vector<AtomType*> ayb2 = at2->allYourBase();
221     // use the last type in the chain of base types for the name:
222     std::string bn1 = ayb1[ayb1.size()-1]->getName();
223     std::string bn2 = ayb2[ayb2.size()-1]->getName();
224     int obanum1 = etab.GetAtomicNum(bn1.c_str());
225     int obanum2 = etab.GetAtomicNum(bn2.c_str());
226    
227     if (obanum1 == 1) {
228     if (obanum2 != 0) {
229     RealType eneg = etab.GetElectroNeg(obanum2);
230     if (eneg > 3.01) {
231     HBondDonor* donor = new HBondDonor();
232     donor->donorAtom = atom2;
233     donor->donatedHydrogen = atom1;
234     hBondDonors_.push_back( donor );
235     }
236     }
237     }
238     if (obanum2 == 1) {
239     if (obanum1 != 0) {
240     RealType eneg = etab.GetElectroNeg(obanum1);
241     if (eneg > 3.01) {
242     HBondDonor* donor = new HBondDonor();
243     donor->donorAtom = atom1;
244     donor->donatedHydrogen = atom2;
245     hBondDonors_.push_back( donor );
246     }
247     }
248     }
249     }
250    
251     for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
252     for(atom1 = rb->beginAtom(ai); atom1 != NULL; atom1 = rb->nextAtom(ai)) {
253     AtomType* at1 = atom1->getAtomType();
254     // get the chain of base types for this atom type:
255     std::vector<AtomType*> ayb1 = at1->allYourBase();
256     // use the last type in the chain of base types for the name:
257     std::string bn1 = ayb1[ayb1.size()-1]->getName();
258     int obanum1 = etab.GetAtomicNum(bn1.c_str());
259     if (obanum1 != 0) {
260     RealType eneg = etab.GetElectroNeg(obanum1);
261     if (eneg > 3.01) {
262     for(atom2 = rb->beginAtom(aj); atom2 != NULL;
263     atom2 = rb->nextAtom(aj)) {
264     AtomType* at2 = atom2->getAtomType();
265     // get the chain of base types for this atom type:
266     std::vector<AtomType*> ayb2 = at2->allYourBase();
267     // use the last type in the chain of base types for the name:
268     std::string bn2 = ayb2[ayb2.size()-1]->getName();
269     int obanum2 = etab.GetAtomicNum(bn2.c_str());
270     if (obanum2 == 1) {
271     HBondDonor* donor = new HBondDonor();
272     donor->donorAtom = atom1;
273     donor->donatedHydrogen = atom2;
274     hBondDonors_.push_back( donor );
275     }
276     }
277     }
278     }
279     }
280     }
281 gezelter 507 }
282 gezelter 2
283 tim 963 RealType Molecule::getMass() {
284 gezelter 246 StuntDouble* sd;
285     std::vector<StuntDouble*>::iterator i;
286 tim 963 RealType mass = 0.0;
287 gezelter 1211
288     for (sd = beginIntegrableObject(i); sd != NULL; sd =
289     nextIntegrableObject(i)){
290 gezelter 507 mass += sd->getMass();
291 gezelter 246 }
292 gezelter 1211
293     return mass;
294 gezelter 507 }
295 gezelter 2
296 gezelter 507 Vector3d Molecule::getCom() {
297 gezelter 246 StuntDouble* sd;
298     std::vector<StuntDouble*>::iterator i;
299     Vector3d com;
300 tim 963 RealType totalMass = 0;
301     RealType mass;
302 gezelter 246
303 gezelter 1211 for (sd = beginIntegrableObject(i); sd != NULL; sd =
304     nextIntegrableObject(i)){
305 gezelter 507 mass = sd->getMass();
306     totalMass += mass;
307     com += sd->getPos() * mass;
308 gezelter 2 }
309 gezelter 1211
310 gezelter 246 com /= totalMass;
311 gezelter 2
312 gezelter 246 return com;
313 gezelter 507 }
314 gezelter 2052
315     Vector3d Molecule::getCom(int snapshotNo) {
316     StuntDouble* sd;
317     std::vector<StuntDouble*>::iterator i;
318     Vector3d com;
319     RealType totalMass = 0;
320     RealType mass;
321    
322     for (sd = beginIntegrableObject(i); sd != NULL; sd =
323     nextIntegrableObject(i)){
324     mass = sd->getMass();
325     totalMass += mass;
326     com += sd->getPos(snapshotNo) * mass;
327     }
328    
329     com /= totalMass;
330 gezelter 2
331 gezelter 2052 return com;
332     }
333    
334 gezelter 507 void Molecule::moveCom(const Vector3d& delta) {
335 gezelter 246 StuntDouble* sd;
336     std::vector<StuntDouble*>::iterator i;
337    
338 gezelter 1211 for (sd = beginIntegrableObject(i); sd != NULL; sd =
339     nextIntegrableObject(i)){
340 gezelter 507 sd->setPos(sd->getPos() + delta);
341 gezelter 1211 }
342 gezelter 507 }
343 gezelter 2
344 gezelter 507 Vector3d Molecule::getComVel() {
345 gezelter 246 StuntDouble* sd;
346     std::vector<StuntDouble*>::iterator i;
347     Vector3d velCom;
348 tim 963 RealType totalMass = 0;
349     RealType mass;
350 gezelter 246
351 gezelter 1211 for (sd = beginIntegrableObject(i); sd != NULL; sd =
352     nextIntegrableObject(i)){
353 gezelter 507 mass = sd->getMass();
354     totalMass += mass;
355     velCom += sd->getVel() * mass;
356 gezelter 246 }
357 gezelter 1211
358 gezelter 246 velCom /= totalMass;
359 gezelter 1211
360 gezelter 246 return velCom;
361 gezelter 507 }
362 gezelter 2
363 tim 963 RealType Molecule::getPotential() {
364 gezelter 2
365 gezelter 246 Bond* bond;
366     Bend* bend;
367     Torsion* torsion;
368 gezelter 1277 Inversion* inversion;
369 gezelter 246 Molecule::BondIterator bondIter;;
370     Molecule::BendIterator bendIter;
371     Molecule::TorsionIterator torsionIter;
372 gezelter 1277 Molecule::InversionIterator inversionIter;
373 gezelter 2
374 tim 963 RealType potential = 0.0;
375 gezelter 2
376 gezelter 246 for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
377 gezelter 507 potential += bond->getPotential();
378 gezelter 246 }
379 gezelter 2
380 gezelter 246 for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
381 gezelter 507 potential += bend->getPotential();
382 gezelter 2 }
383    
384 gezelter 1211 for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion =
385     nextTorsion(torsionIter)) {
386 gezelter 507 potential += torsion->getPotential();
387 gezelter 2 }
388 gezelter 1211
389 gezelter 1277 for (inversion = beginInversion(inversionIter); torsion != NULL;
390     inversion = nextInversion(inversionIter)) {
391     potential += inversion->getPotential();
392     }
393    
394 gezelter 246 return potential;
395 gezelter 1211
396 gezelter 507 }
397 gezelter 1211
398 cli2 1360 void Molecule::addProperty(GenericData* genData) {
399     properties_.addProperty(genData);
400     }
401    
402     void Molecule::removeProperty(const std::string& propName) {
403     properties_.removeProperty(propName);
404     }
405    
406     void Molecule::clearProperties() {
407     properties_.clearProperties();
408     }
409    
410     std::vector<std::string> Molecule::getPropertyNames() {
411     return properties_.getPropertyNames();
412     }
413    
414     std::vector<GenericData*> Molecule::getProperties() {
415     return properties_.getProperties();
416     }
417    
418     GenericData* Molecule::getPropertyByName(const std::string& propName) {
419     return properties_.getPropertyByName(propName);
420     }
421    
422 gezelter 507 std::ostream& operator <<(std::ostream& o, Molecule& mol) {
423 gezelter 246 o << std::endl;
424     o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl;
425     o << mol.getNAtoms() << " atoms" << std::endl;
426     o << mol.getNBonds() << " bonds" << std::endl;
427     o << mol.getNBends() << " bends" << std::endl;
428     o << mol.getNTorsions() << " torsions" << std::endl;
429 gezelter 1277 o << mol.getNInversions() << " inversions" << std::endl;
430 gezelter 246 o << mol.getNRigidBodies() << " rigid bodies" << std::endl;
431 gezelter 1782 o << mol.getNIntegrableObjects() << " integrable objects" << std::endl;
432     o << mol.getNCutoffGroups() << " cutoff groups" << std::endl;
433     o << mol.getNConstraintPairs() << " constraint pairs" << std::endl;
434     o << mol.getNFluctuatingCharges() << " fluctuating charges" << std::endl;
435 gezelter 246 return o;
436 gezelter 507 }
437 gezelter 1211
438 gezelter 1390 }//end namespace OpenMD

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