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root/OpenMD/trunk/src/applications/staticProps/GofAngle2.cpp
Revision: 2023
Committed: Thu Oct 2 14:35:14 2014 UTC (10 years, 7 months ago) by gezelter
File size: 10636 byte(s)
Log Message:
Added 3rd selection option for the 2d g(r) analyzers

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 #include <algorithm>
44 #include <fstream>
45 #include "applications/staticProps/GofAngle2.hpp"
46 #include "primitives/Atom.hpp"
47 #include "types/MultipoleAdapter.hpp"
48 #include "utils/simError.h"
49
50 namespace OpenMD {
51
52 GofAngle2::GofAngle2(SimInfo* info, const std::string& filename,
53 const std::string& sele1,
54 const std::string& sele2, int nangleBins)
55 : RadialDistrFunc(info, filename, sele1, sele2), nAngleBins_(nangleBins),
56 evaluator3_(info),
57 seleMan3_(info), doSele3_(false) {
58
59 setOutputName(getPrefix(filename) + ".gto");
60
61 deltaCosAngle_ = 2.0 / nAngleBins_;
62
63 histogram_.resize(nAngleBins_);
64 avgGofr_.resize(nAngleBins_);
65 for (int i = 0 ; i < nAngleBins_; ++i) {
66 histogram_[i].resize(nAngleBins_);
67 avgGofr_[i].resize(nAngleBins_);
68 }
69 }
70
71 GofAngle2::GofAngle2(SimInfo* info, const std::string& filename,
72 const std::string& sele1,
73 const std::string& sele2,
74 const std::string& sele3, int nangleBins)
75 : RadialDistrFunc(info, filename, sele1, sele2), nAngleBins_(nangleBins),
76 evaluator3_(info), selectionScript3_(sele3),
77 seleMan3_(info), doSele3_(true) {
78
79 setOutputName(getPrefix(filename) + ".gto");
80
81 deltaCosAngle_ = 2.0 / nAngleBins_;
82
83 histogram_.resize(nAngleBins_);
84 avgGofr_.resize(nAngleBins_);
85 for (int i = 0 ; i < nAngleBins_; ++i) {
86 histogram_[i].resize(nAngleBins_);
87 avgGofr_[i].resize(nAngleBins_);
88 }
89 evaluator3_.loadScriptString(sele3);
90 if (!evaluator3_.isDynamic()) {
91 seleMan3_.setSelectionSet(evaluator3_.evaluate());
92 }
93 }
94
95 void GofAngle2::processNonOverlapping( SelectionManager& sman1,
96 SelectionManager& sman2) {
97 StuntDouble* sd1;
98 StuntDouble* sd2;
99 StuntDouble* sd3;
100 int i;
101 int j;
102 int k;
103
104 // This is the same as a non-overlapping pairwise loop structure:
105 // for (int i = 0; i < ni ; ++i ) {
106 // for (int j = 0; j < nj; ++j) {}
107 // }
108
109 if (doSele3_) {
110 if (evaluator3_.isDynamic()) {
111 seleMan3_.setSelectionSet(evaluator3_.evaluate());
112 }
113 if (sman1.getSelectionCount() != seleMan3_.getSelectionCount() ) {
114 RadialDistrFunc::processNonOverlapping( sman1, sman2 );
115 }
116
117 for (sd1 = sman1.beginSelected(i), sd3 = seleMan3_.beginSelected(k);
118 sd1 != NULL && sd3 != NULL;
119 sd1 = sman1.nextSelected(i), sd3 = seleMan3_.nextSelected(k)) {
120 for (sd2 = sman2.beginSelected(j); sd2 != NULL;
121 sd2 = sman2.nextSelected(j)) {
122 collectHistogram(sd1, sd2, sd3);
123 }
124 }
125 } else {
126 RadialDistrFunc::processNonOverlapping( sman1, sman2 );
127 }
128 }
129
130 void GofAngle2::processOverlapping( SelectionManager& sman) {
131 StuntDouble* sd1;
132 StuntDouble* sd2;
133 StuntDouble* sd3;
134 int i;
135 int j;
136 int k;
137
138 // This is the same as a pairwise loop structure:
139 // for (int i = 0; i < n-1 ; ++i ) {
140 // for (int j = i + 1; j < n; ++j) {}
141 // }
142
143 if (doSele3_) {
144 if (evaluator3_.isDynamic()) {
145 seleMan3_.setSelectionSet(evaluator3_.evaluate());
146 }
147 if (sman.getSelectionCount() != seleMan3_.getSelectionCount() ) {
148 RadialDistrFunc::processOverlapping( sman);
149 }
150 for (sd1 = sman.beginSelected(i), sd3 = seleMan3_.beginSelected(k);
151 sd1 != NULL && sd3 != NULL;
152 sd1 = sman.nextSelected(i), sd3 = seleMan3_.nextSelected(k)) {
153 for (j = i, sd2 = sman.nextSelected(j); sd2 != NULL;
154 sd2 = sman.nextSelected(j)) {
155 collectHistogram(sd1, sd2, sd3);
156 }
157 }
158 } else {
159 RadialDistrFunc::processOverlapping( sman);
160 }
161 }
162
163
164 void GofAngle2::preProcess() {
165
166 for (unsigned int i = 0; i < avgGofr_.size(); ++i) {
167 std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0);
168 }
169 }
170
171 void GofAngle2::initializeHistogram() {
172 npairs_ = 0;
173 for (unsigned int i = 0; i < histogram_.size(); ++i)
174 std::fill(histogram_[i].begin(), histogram_[i].end(), 0);
175 }
176
177
178 void GofAngle2::processHistogram() {
179
180 //std::for_each(avgGofr_.begin(), avgGofr_.end(), std::plus<std::vector<int>>)
181
182 }
183
184 void GofAngle2::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
185
186 if (sd1 == sd2) {
187 return;
188 }
189
190 Vector3d pos1 = sd1->getPos();
191 Vector3d pos2 = sd2->getPos();
192 Vector3d r12 = pos1 - pos2;
193 if (usePeriodicBoundaryConditions_)
194 currentSnapshot_->wrapVector(r12);
195
196 AtomType* atype1 = static_cast<Atom*>(sd1)->getAtomType();
197 AtomType* atype2 = static_cast<Atom*>(sd2)->getAtomType();
198 MultipoleAdapter ma1 = MultipoleAdapter(atype1);
199 MultipoleAdapter ma2 = MultipoleAdapter(atype2);
200
201 if (!sd1->isDirectional()) {
202 sprintf(painCave.errMsg,
203 "GofAngle2: attempted to use a non-directional object: %s\n",
204 sd1->getType().c_str());
205 painCave.isFatal = 1;
206 simError();
207 }
208
209 if (!sd2->isDirectional()) {
210 sprintf(painCave.errMsg,
211 "GofAngle2: attempted to use a non-directional object: %s\n",
212 sd2->getType().c_str());
213 painCave.isFatal = 1;
214 simError();
215 }
216
217 Vector3d dipole1, dipole2;
218 if (ma1.isDipole())
219 dipole1 = sd1->getDipole();
220 else
221 dipole1 = sd1->getA().transpose() * V3Z;
222
223 if (ma2.isDipole())
224 dipole2 = sd2->getDipole();
225 else
226 dipole2 = sd2->getA().transpose() * V3Z;
227
228 r12.normalize();
229 dipole1.normalize();
230 dipole2.normalize();
231
232
233 RealType cosAngle1 = dot(r12, dipole1);
234 RealType cosAngle2 = dot(dipole1, dipole2);
235
236 RealType halfBin = (nAngleBins_ - 1) * 0.5;
237 int angleBin1 = int(halfBin * (cosAngle1 + 1.0));
238 int angleBin2 = int(halfBin * (cosAngle2 + 1.0));
239
240 ++histogram_[angleBin1][angleBin2];
241 ++npairs_;
242 }
243
244 void GofAngle2::collectHistogram(StuntDouble* sd1, StuntDouble* sd2,
245 StuntDouble* sd3) {
246
247 if (sd1 == sd2) {
248 return;
249 }
250
251 Vector3d p1 = sd1->getPos();
252 Vector3d p3 = sd3->getPos();
253
254 Vector3d c = 0.5 * (p1 + p3);
255 Vector3d r13 = p3 - p1;
256
257 Vector3d r12 = sd2->getPos() - c;
258
259 if (usePeriodicBoundaryConditions_) {
260 currentSnapshot_->wrapVector(r12);
261 currentSnapshot_->wrapVector(r13);
262 }
263 r12.normalize();
264 r13.normalize();
265
266 if (!sd2->isDirectional()) {
267 sprintf(painCave.errMsg,
268 "GofAngle2: attempted to use a non-directional object: %s\n",
269 sd2->getType().c_str());
270 painCave.isFatal = 1;
271 simError();
272 }
273
274 AtomType* atype2 = static_cast<Atom*>(sd2)->getAtomType();
275 MultipoleAdapter ma2 = MultipoleAdapter(atype2);
276
277 Vector3d dipole2;
278 if (ma2.isDipole())
279 dipole2 = sd2->getDipole();
280 else
281 dipole2 = sd2->getA().transpose() * V3Z;
282
283 dipole2.normalize();
284
285 RealType cosAngle1 = dot(r12, r13);
286 RealType cosAngle2 = dot(r13, dipole2);
287
288 RealType halfBin = (nAngleBins_ - 1) * 0.5;
289 int angleBin1 = int(halfBin * (cosAngle1 + 1.0));
290 int angleBin2 = int(halfBin * (cosAngle2 + 1.0));
291
292 ++histogram_[angleBin1][angleBin2];
293 ++npairs_;
294
295 }
296
297 void GofAngle2::writeRdf() {
298 std::ofstream rdfStream(outputFilename_.c_str());
299 if (rdfStream.is_open()) {
300 rdfStream << "#radial distribution function\n";
301 rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
302 rdfStream << "selection2: (" << selectionScript2_ << ")";
303 if (doSele3_) {
304 rdfStream << "\tselection3: (" << selectionScript3_ << ")\n";
305 } else {
306 rdfStream << "\n";
307 }
308 rdfStream << "#nAngleBins =" << nAngleBins_ << "deltaCosAngle = "
309 << deltaCosAngle_ << "\n";
310 for (unsigned int i = 0; i < avgGofr_.size(); ++i) {
311 // RealType cosAngle1 = -1.0 + (i + 0.5)*deltaCosAngle_;
312
313 for(unsigned int j = 0; j < avgGofr_[i].size(); ++j) {
314 // RealType cosAngle2 = -1.0 + (j + 0.5)*deltaCosAngle_;
315 rdfStream <<avgGofr_[i][j]/nProcessed_ << "\t";
316 }
317 rdfStream << "\n";
318 }
319
320 } else {
321
322 sprintf(painCave.errMsg, "GofAngle2: unable to open %s\n",
323 outputFilename_.c_str());
324 painCave.isFatal = 1;
325 simError();
326 }
327
328 rdfStream.close();
329 }
330
331 }

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