35 |
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* |
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* [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 |
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* [4] Vardeman & Gezelter, in progress (2009). |
40 |
< |
* |
38 |
> |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
> |
* [4] , Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). * |
41 |
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*/ |
42 |
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|
43 |
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/* Calculates Rho(theta) */ |
44 |
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|
45 |
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#include <algorithm> |
46 |
< |
#include <fstream> |
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#include <fstream> |
47 |
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#include "applications/staticProps/pAngle.hpp" |
48 |
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#include "utils/simError.h" |
49 |
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#include "io/DumpReader.hpp" |
50 |
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#include "primitives/Molecule.hpp" |
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+ |
#include "brains/Thermo.hpp" |
52 |
+ |
|
53 |
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namespace OpenMD { |
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|
55 |
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pAngle::pAngle(SimInfo* info, const std::string& filename, |
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const std::string& sele, int nthetabins) |
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: StaticAnalyser(info, filename), selectionScript_(sele), |
58 |
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evaluator_(info), seleMan_(info), nThetaBins_(nthetabins){ |
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const std::string& sele1, int nthetabins) |
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: StaticAnalyser(info, filename), selectionScript1_(sele1), |
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evaluator1_(info), evaluator2_(info), seleMan1_(info), seleMan2_(info), |
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nThetaBins_(nthetabins), |
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doVect_(true), doOffset_(false) { |
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|
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evaluator_.loadScriptString(sele); |
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if (!evaluator_.isDynamic()) { |
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seleMan_.setSelectionSet(evaluator_.evaluate()); |
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setOutputName(getPrefix(filename) + ".pAngle"); |
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|
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evaluator1_.loadScriptString(sele1); |
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if (!evaluator1_.isDynamic()) { |
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seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
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} |
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|
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count_.resize(nThetaBins_); |
70 |
< |
histogram_.resize(nThetaBins_); |
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histogram_.resize(nThetaBins_); |
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} |
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|
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> |
pAngle::pAngle(SimInfo* info, const std::string& filename, |
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> |
const std::string& sele1, const std::string& sele2, |
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int nthetabins) |
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: StaticAnalyser(info, filename), selectionScript1_(sele1), |
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selectionScript2_(sele2), evaluator1_(info), evaluator2_(info), |
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seleMan1_(info), seleMan2_(info), nThetaBins_(nthetabins), |
79 |
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doVect_(false), doOffset_(false) { |
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|
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setOutputName(getPrefix(filename) + ".pAngle"); |
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|
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evaluator1_.loadScriptString(sele1); |
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if (!evaluator1_.isDynamic()) { |
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seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
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} |
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|
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evaluator2_.loadScriptString(sele2); |
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if (!evaluator2_.isDynamic()) { |
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seleMan2_.setSelectionSet(evaluator2_.evaluate()); |
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} |
92 |
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|
93 |
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count_.resize(nThetaBins_); |
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+ |
histogram_.resize(nThetaBins_); |
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} |
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|
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pAngle::pAngle(SimInfo* info, const std::string& filename, |
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const std::string& sele1, int seleOffset, int nthetabins) |
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: StaticAnalyser(info, filename), selectionScript1_(sele1), |
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evaluator1_(info), evaluator2_(info), seleMan1_(info), seleMan2_(info), |
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nThetaBins_(nthetabins), seleOffset_(seleOffset), |
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doVect_(false), doOffset_(true) { |
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|
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setOutputName(getPrefix(filename) + ".pAngle"); |
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|
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evaluator1_.loadScriptString(sele1); |
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if (!evaluator1_.isDynamic()) { |
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seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
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} |
110 |
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|
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+ |
count_.resize(nThetaBins_); |
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histogram_.resize(nThetaBins_); |
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} |
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|
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void pAngle::process() { |
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Molecule* mol; |
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RigidBody* rb; |
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StuntDouble* sd; |
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SimInfo::MoleculeIterator mi; |
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Molecule::RigidBodyIterator rbIter; |
120 |
< |
int i; |
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StuntDouble* sd1; |
121 |
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StuntDouble* sd2; |
122 |
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int ii; |
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> |
int jj; |
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|
|
125 |
+ |
Thermo thermo(info_); |
126 |
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DumpReader reader(info_, dumpFilename_); |
127 |
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int nFrames = reader.getNFrames(); |
128 |
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|
129 |
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nProcessed_ = nFrames/step_; |
130 |
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|
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std::fill(histogram_.begin(), histogram_.end(), 0.0); |
144 |
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} |
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} |
146 |
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|
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< |
Vector3d CenterOfMass = info_->getCom(); |
147 |
> |
Vector3d CenterOfMass = thermo.getCom(); |
148 |
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|
149 |
< |
if (evaluator_.isDynamic()) { |
150 |
< |
seleMan_.setSelectionSet(evaluator_.evaluate()); |
149 |
> |
if (evaluator1_.isDynamic()) { |
150 |
> |
seleMan1_.setSelectionSet(evaluator1_.evaluate()); |
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} |
152 |
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|
153 |
< |
for (sd = seleMan_.beginSelected(i); sd != NULL; |
154 |
< |
sd = seleMan_.nextSelected(i)) { |
153 |
> |
if (doVect_) { |
154 |
> |
|
155 |
|
|
156 |
< |
Vector3d pos = sd->getPos(); |
157 |
< |
|
108 |
< |
Vector3d r1 = CenterOfMass - pos; |
109 |
< |
// only do this if the stunt double actually has a vector associated |
110 |
< |
// with it |
111 |
< |
if (sd->isDirectional()) { |
112 |
< |
Vector3d dipole = sd->getA().getColumn(2); |
113 |
< |
RealType distance = r1.length(); |
156 |
> |
for (sd1 = seleMan1_.beginSelected(ii); sd1 != NULL; |
157 |
> |
sd1 = seleMan1_.nextSelected(ii)) { |
158 |
|
|
159 |
< |
dipole.normalize(); |
160 |
< |
r1.normalize(); |
161 |
< |
RealType cosangle = dot(r1, dipole); |
162 |
< |
|
163 |
< |
int binNo = int(nThetaBins_ * (1.0 + cosangle) / 2.0); |
164 |
< |
count_[binNo]++; |
159 |
> |
Vector3d pos = sd1->getPos(); |
160 |
> |
|
161 |
> |
Vector3d r1 = CenterOfMass - pos; |
162 |
> |
// only do this if the stunt double actually has a vector associated |
163 |
> |
// with it |
164 |
> |
if (sd1->isDirectional()) { |
165 |
> |
Vector3d vec = sd1->getA().getColumn(2); |
166 |
> |
RealType distance = r1.length(); |
167 |
> |
|
168 |
> |
vec.normalize(); |
169 |
> |
r1.normalize(); |
170 |
> |
RealType cosangle = dot(r1, vec); |
171 |
> |
|
172 |
> |
int binNo = int(nThetaBins_ * (1.0 + cosangle) / 2.0); |
173 |
> |
count_[binNo]++; |
174 |
> |
} |
175 |
|
} |
176 |
< |
|
176 |
> |
} else { |
177 |
> |
if (doOffset_) { |
178 |
> |
|
179 |
> |
for (sd1 = seleMan1_.beginSelected(ii); sd1 != NULL; |
180 |
> |
sd1 = seleMan1_.nextSelected(ii)) { |
181 |
> |
|
182 |
> |
// This will require careful rewriting if StaticProps is |
183 |
> |
// ever parallelized. For an example, see |
184 |
> |
// Thermo::getTaggedAtomPairDistance |
185 |
> |
|
186 |
> |
int sd2Index = sd1->getGlobalIndex() + seleOffset_; |
187 |
> |
sd2 = info_->getIOIndexToIntegrableObject(sd2Index); |
188 |
> |
|
189 |
> |
Vector3d r1 = CenterOfMass - sd1->getPos(); |
190 |
> |
if (usePeriodicBoundaryConditions_) |
191 |
> |
currentSnapshot_->wrapVector(r1); |
192 |
> |
|
193 |
> |
Vector3d r2 = CenterOfMass - sd2->getPos(); |
194 |
> |
if (usePeriodicBoundaryConditions_) |
195 |
> |
currentSnapshot_->wrapVector(r1); |
196 |
> |
|
197 |
> |
Vector3d rc = 0.5*(r1 + r2); |
198 |
> |
if (usePeriodicBoundaryConditions_) |
199 |
> |
currentSnapshot_->wrapVector(rc); |
200 |
> |
|
201 |
> |
Vector3d vec = r1-r2; |
202 |
> |
if (usePeriodicBoundaryConditions_) |
203 |
> |
currentSnapshot_->wrapVector(vec); |
204 |
> |
|
205 |
> |
rc.normalize(); |
206 |
> |
vec.normalize(); |
207 |
> |
RealType cosangle = dot(rc, vec); |
208 |
> |
int binNo = int(nThetaBins_ * (1.0 + cosangle) / 2.0); |
209 |
> |
count_[binNo]++; |
210 |
> |
} |
211 |
> |
} else { |
212 |
> |
|
213 |
> |
if (evaluator2_.isDynamic()) { |
214 |
> |
seleMan2_.setSelectionSet(evaluator2_.evaluate()); |
215 |
> |
} |
216 |
> |
|
217 |
> |
if (seleMan1_.getSelectionCount() != seleMan2_.getSelectionCount() ) { |
218 |
> |
sprintf( painCave.errMsg, |
219 |
> |
"In frame %d, the number of selected StuntDoubles are\n" |
220 |
> |
"\tnot the same in --sele1 and sele2\n", istep); |
221 |
> |
painCave.severity = OPENMD_INFO; |
222 |
> |
painCave.isFatal = 0; |
223 |
> |
simError(); |
224 |
> |
} |
225 |
> |
|
226 |
> |
for (sd1 = seleMan1_.beginSelected(ii), |
227 |
> |
sd2 = seleMan2_.beginSelected(jj); |
228 |
> |
sd1 != NULL && sd2 != NULL; |
229 |
> |
sd1 = seleMan1_.nextSelected(ii), |
230 |
> |
sd2 = seleMan2_.nextSelected(jj)) { |
231 |
> |
|
232 |
> |
Vector3d r1 = CenterOfMass - sd1->getPos(); |
233 |
> |
if (usePeriodicBoundaryConditions_) |
234 |
> |
currentSnapshot_->wrapVector(r1); |
235 |
> |
|
236 |
> |
Vector3d r2 = CenterOfMass - sd2->getPos(); |
237 |
> |
if (usePeriodicBoundaryConditions_) |
238 |
> |
currentSnapshot_->wrapVector(r1); |
239 |
> |
|
240 |
> |
Vector3d rc = 0.5*(r1 + r2); |
241 |
> |
if (usePeriodicBoundaryConditions_) |
242 |
> |
currentSnapshot_->wrapVector(rc); |
243 |
> |
|
244 |
> |
Vector3d vec = r1-r2; |
245 |
> |
if (usePeriodicBoundaryConditions_) |
246 |
> |
currentSnapshot_->wrapVector(vec); |
247 |
> |
|
248 |
> |
rc.normalize(); |
249 |
> |
vec.normalize(); |
250 |
> |
RealType cosangle = dot(rc, vec); |
251 |
> |
int binNo = int(nThetaBins_ * (1.0 + cosangle) / 2.0); |
252 |
> |
count_[binNo]++; |
253 |
> |
|
254 |
> |
} |
255 |
> |
} |
256 |
|
} |
257 |
|
} |
258 |
+ |
|
259 |
|
processHistogram(); |
260 |
|
writeProbs(); |
261 |
|
|
264 |
|
void pAngle::processHistogram() { |
265 |
|
|
266 |
|
int atot = 0; |
267 |
< |
for(int i = 0; i < count_.size(); ++i) |
267 |
> |
for(unsigned int i = 0; i < count_.size(); ++i) |
268 |
|
atot += count_[i]; |
269 |
|
|
270 |
< |
for(int i = 0; i < count_.size(); ++i) { |
271 |
< |
histogram_[i] = double(count_[i] / atot); |
270 |
> |
for(unsigned int i = 0; i < count_.size(); ++i) { |
271 |
> |
histogram_[i] = double(count_[i] / double(atot)); |
272 |
|
} |
273 |
|
} |
274 |
|
|
279 |
|
if (rdfStream.is_open()) { |
280 |
|
rdfStream << "#pAngle\n"; |
281 |
|
rdfStream << "#nFrames:\t" << nProcessed_ << "\n"; |
282 |
< |
rdfStream << "#selection: (" << selectionScript_ << ")\n"; |
282 |
> |
rdfStream << "#selection1: (" << selectionScript1_ << ")"; |
283 |
> |
if (!doVect_) { |
284 |
> |
rdfStream << "\tselection2: (" << selectionScript2_ << ")"; |
285 |
> |
} |
286 |
> |
rdfStream << "\n"; |
287 |
|
rdfStream << "#cos(theta)\tp(cos(theta))\n"; |
288 |
< |
for (int i = 0; i < histogram_.size(); ++i) { |
289 |
< |
RealType ct = -1.0 + i / histogram_.size(); |
290 |
< |
rdfStream << ct << "\t" << histogram_[i] << "\n"; |
288 |
> |
RealType dct = 2.0 / histogram_.size(); |
289 |
> |
for (unsigned int i = 0; i < histogram_.size(); ++i) { |
290 |
> |
RealType ct = -1.0 + (2.0 * i + 1) / (histogram_.size()); |
291 |
> |
rdfStream << ct << "\t" << histogram_[i]/dct << "\n"; |
292 |
|
} |
293 |
|
|
294 |
|
} else { |
295 |
|
|
296 |
< |
sprintf(painCave.errMsg, "pAngle: unable to open %s\n", outputFilename_.c_str()); |
296 |
> |
sprintf(painCave.errMsg, "pAngle: unable to open %s\n", |
297 |
> |
outputFilename_.c_str()); |
298 |
|
painCave.isFatal = 1; |
299 |
|
simError(); |
300 |
|
} |