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root/OpenMD/branches/development/src/applications/nanoparticleBuilder/nanoparticleBuilder.cpp
Revision: 1875
Committed: Fri May 17 14:41:42 2013 UTC (11 years, 11 months ago) by gezelter
File size: 15077 byte(s)
Log Message:
Fixed a bunch of stylistic and performance issues discovered via cppcheck.

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 <cstdlib>
44 #include <cstdio>
45 #include <cstring>
46 #include <cmath>
47 #include <iostream>
48 #include <string>
49 #include <map>
50 #include <fstream>
51 #include <algorithm>
52
53 #include "config.h"
54 #include "shapedLatticeSpherical.hpp"
55 #include "nanoparticleBuilderCmd.h"
56 #include "lattice/LatticeFactory.hpp"
57 #include "utils/MoLocator.hpp"
58 #include "lattice/Lattice.hpp"
59 #include "brains/Register.hpp"
60 #include "brains/SimInfo.hpp"
61 #include "brains/SimCreator.hpp"
62 #include "io/DumpWriter.hpp"
63 #include "math/Vector3.hpp"
64 #include "math/SquareMatrix3.hpp"
65 #include "utils/StringUtils.hpp"
66
67 using namespace std;
68 using namespace OpenMD;
69 void createMdFile(const std::string&oldMdFileName,
70 const std::string&newMdFileName,
71 std::vector<int> numMol);
72
73 int main(int argc, char *argv []) {
74
75 registerLattice();
76
77 gengetopt_args_info args_info;
78 std::string latticeType;
79 std::string inputFileName;
80 std::string outputFileName;
81 MoLocator* locator;
82 int nComponents;
83 double latticeConstant;
84 RealType particleRadius;
85 Mat3x3d hmat;
86 DumpWriter *writer;
87
88 // Parse Command Line Arguments
89 if (cmdline_parser(argc, argv, &args_info) != 0)
90 exit(1);
91
92 /* get lattice type */
93 latticeType = "FCC";
94
95 /* get input file name */
96 if (args_info.inputs_num)
97 inputFileName = args_info.inputs[0];
98 else {
99 sprintf(painCave.errMsg, "No input .md file name was specified "
100 "on the command line");
101 painCave.isFatal = 1;
102 cmdline_parser_print_help();
103 simError();
104 }
105
106 /* parse md file and set up the system */
107 SimCreator oldCreator;
108 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
109
110 latticeConstant = args_info.latticeConstant_arg;
111 particleRadius = args_info.radius_arg;
112 Globals* simParams = oldInfo->getSimParams();
113
114 /* Create nanoparticle */
115 shapedLatticeSpherical nanoParticle(latticeConstant, latticeType,
116 particleRadius);
117
118 /* Build a lattice and get lattice points for this lattice constant */
119 vector<Vector3d> sites = nanoParticle.getSites();
120 vector<Vector3d> orientations = nanoParticle.getOrientations();
121
122
123 std::vector<int> vacancyTargets;
124 vector<bool> isVacancy;
125
126 Vector3d myLoc;
127 RealType myR;
128
129 for (unsigned int i = 0; i < sites.size(); i++)
130 isVacancy.push_back(false);
131
132 if (args_info.vacancyPercent_given) {
133 if (args_info.vacancyPercent_arg < 0.0 || args_info.vacancyPercent_arg > 100.0) {
134 sprintf(painCave.errMsg, "vacancyPercent was set to a non-sensical value.");
135 painCave.isFatal = 1;
136 simError();
137 } else {
138 RealType vF = args_info.vacancyPercent_arg / 100.0;
139 RealType vIR;
140 RealType vOR;
141 if (args_info.vacancyInnerRadius_given) {
142 vIR = args_info.vacancyInnerRadius_arg;
143 } else {
144 vIR = 0.0;
145 }
146 if (args_info.vacancyOuterRadius_given) {
147 vOR = args_info.vacancyOuterRadius_arg;
148 } else {
149 vOR = particleRadius;
150 }
151 if (vIR >= 0.0 && vOR <= particleRadius && vOR >= vIR) {
152
153 for (unsigned int i = 0; i < sites.size(); i++) {
154 myLoc = sites[i];
155 myR = myLoc.length();
156 if (myR >= vIR && myR <= vOR) {
157 vacancyTargets.push_back(i);
158 }
159 }
160 std::random_shuffle(vacancyTargets.begin(), vacancyTargets.end());
161
162 int nTargets = vacancyTargets.size();
163 vacancyTargets.resize((int)(vF * nTargets));
164
165
166 sprintf(painCave.errMsg, "Removing %d atoms from randomly-selected\n"
167 "\tsites between %lf and %lf.", (int) vacancyTargets.size(),
168 vIR, vOR);
169 painCave.isFatal = 0;
170 simError();
171
172 isVacancy.clear();
173 for (unsigned int i = 0; i < sites.size(); i++) {
174 bool vac = false;
175 for (unsigned int j = 0; j < vacancyTargets.size(); j++) {
176 if (i == vacancyTargets[j]) vac = true;
177 }
178 isVacancy.push_back(vac);
179 }
180
181 } else {
182 sprintf(painCave.errMsg, "Something is strange about the vacancy\n"
183 "\tinner or outer radii. Check their values.");
184 painCave.isFatal = 1;
185 simError();
186 }
187 }
188 }
189
190 /* Get number of lattice sites */
191 int nSites = sites.size() - vacancyTargets.size();
192
193 std::vector<Component*> components = simParams->getComponents();
194 std::vector<RealType> molFractions;
195 std::vector<RealType> shellRadii;
196 std::vector<int> nMol;
197 std::map<int, int> componentFromSite;
198 nComponents = components.size();
199
200 if (args_info.molFraction_given && args_info.shellRadius_given) {
201 sprintf(painCave.errMsg, "Specify either molFraction or shellRadius "
202 "arguments, but not both!");
203 painCave.isFatal = 1;
204 simError();
205 }
206
207 if (nComponents == 1) {
208 molFractions.push_back(1.0);
209 shellRadii.push_back(particleRadius);
210 } else if (args_info.molFraction_given) {
211 if ((int)args_info.molFraction_given == nComponents) {
212 for (int i = 0; i < nComponents; i++) {
213 molFractions.push_back(args_info.molFraction_arg[i]);
214 }
215 } else if ((int)args_info.molFraction_given == nComponents-1) {
216 RealType remainingFraction = 1.0;
217 for (int i = 0; i < nComponents-1; i++) {
218 molFractions.push_back(args_info.molFraction_arg[i]);
219 remainingFraction -= molFractions[i];
220 }
221 molFractions.push_back(remainingFraction);
222 } else {
223 sprintf(painCave.errMsg, "nanoparticleBuilder can't figure out molFractions "
224 "for all of the components in the <MetaData> block.");
225 painCave.isFatal = 1;
226 simError();
227 }
228 } else if ((int)args_info.shellRadius_given) {
229 if ((int)args_info.shellRadius_given == nComponents) {
230 for (int i = 0; i < nComponents; i++) {
231 shellRadii.push_back(args_info.shellRadius_arg[i]);
232 }
233 } else if ((int)args_info.shellRadius_given == nComponents-1) {
234 for (int i = 0; i < nComponents-1; i++) {
235 shellRadii.push_back(args_info.shellRadius_arg[i]);
236 }
237 shellRadii.push_back(particleRadius);
238 } else {
239 sprintf(painCave.errMsg, "nanoparticleBuilder can't figure out the\n"
240 "\tshell radii for all of the components in the <MetaData> block.");
241 painCave.isFatal = 1;
242 simError();
243 }
244 } else {
245 sprintf(painCave.errMsg, "You have a multi-component <MetaData> block,\n"
246 "\tbut have not specified either molFraction or shellRadius arguments.");
247 painCave.isFatal = 1;
248 simError();
249 }
250
251 if (args_info.molFraction_given) {
252 RealType totalFraction = 0.0;
253
254 /* Do some simple sanity checking*/
255
256 for (int i = 0; i < nComponents; i++) {
257 if (molFractions.at(i) < 0.0) {
258 sprintf(painCave.errMsg, "One of the requested molFractions was"
259 " less than zero!");
260 painCave.isFatal = 1;
261 simError();
262 }
263 if (molFractions.at(i) > 1.0) {
264 sprintf(painCave.errMsg, "One of the requested molFractions was"
265 " greater than one!");
266 painCave.isFatal = 1;
267 simError();
268 }
269 totalFraction += molFractions.at(i);
270 }
271 if (abs(totalFraction - 1.0) > 1e-6) {
272 sprintf(painCave.errMsg, "The sum of molFractions was not close enough to 1.0");
273 painCave.isFatal = 1;
274 simError();
275 }
276
277 int remaining = nSites;
278 for (int i=0; i < nComponents-1; i++) {
279 nMol.push_back(int((RealType)nSites * molFractions.at(i)));
280 remaining -= nMol.at(i);
281 }
282 nMol.push_back(remaining);
283
284 // recompute actual mol fractions and perform final sanity check:
285
286 int totalMolecules = 0;
287 for (int i=0; i < nComponents; i++) {
288 molFractions[i] = (RealType)(nMol.at(i))/(RealType)nSites;
289 totalMolecules += nMol.at(i);
290 }
291
292 if (totalMolecules != nSites) {
293 sprintf(painCave.errMsg, "Computed total number of molecules is not equal "
294 "to the number of lattice sites!");
295 painCave.isFatal = 1;
296 simError();
297 }
298 } else {
299
300 for (unsigned int i = 0; i < shellRadii.size(); i++) {
301 if (shellRadii.at(i) > particleRadius + 1e-6 ) {
302 sprintf(painCave.errMsg, "One of the shellRadius values exceeds the particle Radius.");
303 painCave.isFatal = 1;
304 simError();
305 }
306 if (shellRadii.at(i) <= 0.0 ) {
307 sprintf(painCave.errMsg, "One of the shellRadius values is smaller than zero!");
308 painCave.isFatal = 1;
309 simError();
310 }
311 }
312 }
313
314 vector<int> ids;
315 if ((int)args_info.molFraction_given){
316 sprintf(painCave.errMsg, "Creating a randomized spherical nanoparticle.");
317 painCave.isFatal = 0;
318 simError();
319 /* Random particle is the default case*/
320
321 for (unsigned int i = 0; i < sites.size(); i++)
322 if (!isVacancy[i]) ids.push_back(i);
323
324 std::random_shuffle(ids.begin(), ids.end());
325
326 } else{
327 sprintf(painCave.errMsg, "Creating a core-shell spherical nanoparticle.");
328 painCave.isFatal = 0;
329 simError();
330
331 RealType smallestSoFar;
332 int myComponent = -1;
333 nMol.clear();
334 nMol.resize(nComponents);
335
336 for (unsigned int i = 0; i < sites.size(); i++) {
337 myLoc = sites[i];
338 myR = myLoc.length();
339 smallestSoFar = particleRadius;
340 if (!isVacancy[i]) {
341 for (int j = 0; j < nComponents; j++) {
342 if (myR <= shellRadii[j]) {
343 if (shellRadii[j] <= smallestSoFar) {
344 smallestSoFar = shellRadii[j];
345 myComponent = j;
346 }
347 }
348 }
349 componentFromSite[i] = myComponent;
350 nMol[myComponent]++;
351 }
352 }
353 }
354
355 outputFileName = args_info.output_arg;
356
357 //creat new .md file on fly which corrects the number of molecule
358 createMdFile(inputFileName, outputFileName, nMol);
359
360 delete oldInfo;
361
362 SimCreator newCreator;
363 SimInfo* NewInfo = newCreator.createSim(outputFileName, false);
364
365 // Place molecules
366 Molecule* mol;
367 SimInfo::MoleculeIterator mi;
368 mol = NewInfo->beginMolecule(mi);
369
370 int l = 0;
371
372 for (int i = 0; i < nComponents; i++){
373 locator = new MoLocator(NewInfo->getMoleculeStamp(i),
374 NewInfo->getForceField());
375
376 if (!args_info.molFraction_given) {
377 for (unsigned int n = 0; n < sites.size(); n++) {
378 if (!isVacancy[n]) {
379 if (componentFromSite[n] == i) {
380 mol = NewInfo->getMoleculeByGlobalIndex(l);
381 locator->placeMol(sites[n], orientations[n], mol);
382 l++;
383 }
384 }
385 }
386 } else {
387 for (int n = 0; n < nMol.at(i); n++) {
388 mol = NewInfo->getMoleculeByGlobalIndex(l);
389 locator->placeMol(sites[ids[l]], orientations[ids[l]], mol);
390 l++;
391 }
392 }
393 }
394
395 //fill Hmat
396 hmat(0, 0)= 10.0*particleRadius;
397 hmat(0, 1) = 0.0;
398 hmat(0, 2) = 0.0;
399
400 hmat(1, 0) = 0.0;
401 hmat(1, 1) = 10.0*particleRadius;
402 hmat(1, 2) = 0.0;
403
404 hmat(2, 0) = 0.0;
405 hmat(2, 1) = 0.0;
406 hmat(2, 2) = 10.0*particleRadius;
407
408 //set Hmat
409 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
410
411
412 //create dumpwriter and write out the coordinates
413 writer = new DumpWriter(NewInfo, outputFileName);
414
415 if (writer == NULL) {
416 sprintf(painCave.errMsg, "Error in creating dumpwriter object ");
417 painCave.isFatal = 1;
418 simError();
419 }
420
421 writer->writeDump();
422
423 // deleting the writer will put the closing at the end of the dump file
424
425 delete writer;
426
427 // cleanup a by calling sim error.....
428 sprintf(painCave.errMsg, "A new OpenMD file called \"%s\" has been "
429 "generated.\n", outputFileName.c_str());
430 painCave.isFatal = 0;
431 simError();
432 return 0;
433 }
434
435 void createMdFile(const std::string&oldMdFileName,
436 const std::string&newMdFileName,
437 std::vector<int> nMol) {
438 ifstream oldMdFile;
439 ofstream newMdFile;
440 const int MAXLEN = 65535;
441 char buffer[MAXLEN];
442
443 //create new .md file based on old .md file
444 oldMdFile.open(oldMdFileName.c_str());
445 newMdFile.open(newMdFileName.c_str());
446 oldMdFile.getline(buffer, MAXLEN);
447
448 unsigned int i = 0;
449 while (!oldMdFile.eof()) {
450
451 //correct molecule number
452 if (strstr(buffer, "nMol") != NULL) {
453 if(i<nMol.size()){
454 sprintf(buffer, "\tnMol = %i;", nMol.at(i));
455 newMdFile << buffer << std::endl;
456 i++;
457 }
458 } else
459 newMdFile << buffer << std::endl;
460
461 oldMdFile.getline(buffer, MAXLEN);
462 }
463
464 oldMdFile.close();
465 newMdFile.close();
466
467 if (i != nMol.size()) {
468 sprintf(painCave.errMsg, "Couldn't replace the correct number of nMol\n"
469 "\tstatements in component blocks. Make sure that all\n"
470 "\tcomponents in the template file have nMol=1");
471 painCave.isFatal = 1;
472 simError();
473 }
474
475 }
476

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