36 |
|
* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
37 |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
38 |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
39 |
< |
* [4] Vardeman & Gezelter, in progress (2009). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
> |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
41 |
|
*/ |
42 |
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|
43 |
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#include "applications/staticProps/P2OrderParameter.hpp" |
62 |
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if (!evaluator1_.isDynamic()) { |
63 |
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seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
64 |
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} |
64 |
– |
|
65 |
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} |
66 |
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|
67 |
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P2OrderParameter::P2OrderParameter(SimInfo* info, const string& filename, |
122 |
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SimInfo::MoleculeIterator mi; |
123 |
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Molecule::RigidBodyIterator rbIter; |
124 |
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StuntDouble* sd; |
125 |
< |
int i; |
126 |
< |
|
125 |
> |
int ii; |
126 |
|
|
127 |
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DumpReader reader(info_, dumpFilename_); |
128 |
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int nFrames = reader.getNFrames(); |
130 |
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for (int i = 0; i < nFrames; i += step_) { |
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reader.readFrame(i); |
132 |
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currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot(); |
133 |
< |
|
133 |
> |
|
134 |
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for (mol = info_->beginMolecule(mi); mol != NULL; |
135 |
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mol = info_->nextMolecule(mi)) { |
136 |
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//change the positions of atoms which belong to the rigidbodies |
147 |
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if (evaluator1_.isDynamic()) |
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seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
149 |
|
|
150 |
< |
for (sd = seleMan1_.beginSelected(i); sd != NULL; |
151 |
< |
sd = seleMan1_.nextSelected(i)) { |
150 |
> |
for (sd = seleMan1_.beginSelected(ii); sd != NULL; |
151 |
> |
sd = seleMan1_.nextSelected(ii)) { |
152 |
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if (sd->isDirectional()) { |
153 |
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Vector3d vec = sd->getA().getColumn(2); |
154 |
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vec.normalize(); |
172 |
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orderTensor /= sdPairs_.size(); |
173 |
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} |
174 |
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|
175 |
+ |
|
176 |
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orderTensor -= (RealType)(1.0/3.0) * Mat3x3d::identity(); |
177 |
|
|
178 |
|
Vector3d eigenvalues; |
179 |
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Mat3x3d eigenvectors; |
180 |
+ |
|
181 |
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Mat3x3d::diagonalize(orderTensor, eigenvalues, eigenvectors); |
182 |
|
|
183 |
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int which; |
197 |
|
} |
198 |
|
|
199 |
|
RealType angle = 0.0; |
199 |
– |
|
200 |
|
|
201 |
|
if (doVect_) { |
202 |
< |
for (sd = seleMan1_.beginSelected(i); sd != NULL; |
203 |
< |
sd = seleMan1_.nextSelected(i)) { |
202 |
> |
for (sd = seleMan1_.beginSelected(ii); sd != NULL; |
203 |
> |
sd = seleMan1_.nextSelected(ii)) { |
204 |
|
if (sd->isDirectional()) { |
205 |
|
Vector3d vec = sd->getA().getColumn(2); |
206 |
|
vec.normalize(); |
214 |
|
Vector3d vec = j->first->getPos() - j->second->getPos(); |
215 |
|
if (usePeriodicBoundaryConditions_) |
216 |
|
currentSnapshot_->wrapVector(vec); |
217 |
< |
vec.normalize(); |
218 |
< |
|
217 |
> |
vec.normalize(); |
218 |
|
angle += acos(dot(vec, director)) ; |
219 |
|
} |
220 |
|
angle = angle / (sdPairs_.size() * NumericConstant::PI) * 180.0; |