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root/group/trunk/OOPSE-3.0/src/applications/nanoRodBuilder/nanorodBuilder.cpp
Revision: 2215
Committed: Thu Apr 28 00:24:11 2005 UTC (19 years, 2 months ago) by chuckv
File size: 11392 byte(s)
Log Message:
Fixed issues with nanoRodBuilder....

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. Acknowledgement of the program authors must be made in any
10 * publication of scientific results based in part on use of the
11 * program. An acceptable form of acknowledgement is citation of
12 * the article in which the program was described (Matthew
13 * A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 * J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 * Parallel Simulation Engine for Molecular Dynamics,"
16 * J. Comput. Chem. 26, pp. 252-271 (2005))
17 *
18 * 2. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 *
21 * 3. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the
24 * distribution.
25 *
26 * This software is provided "AS IS," without a warranty of any
27 * kind. All express or implied conditions, representations and
28 * warranties, including any implied warranty of merchantability,
29 * fitness for a particular purpose or non-infringement, are hereby
30 * excluded. The University of Notre Dame and its licensors shall not
31 * be liable for any damages suffered by licensee as a result of
32 * using, modifying or distributing the software or its
33 * derivatives. In no event will the University of Notre Dame or its
34 * licensors be liable for any lost revenue, profit or data, or for
35 * direct, indirect, special, consequential, incidental or punitive
36 * damages, however caused and regardless of the theory of liability,
37 * arising out of the use of or inability to use software, even if the
38 * University of Notre Dame has been advised of the possibility of
39 * such damages.
40 */
41
42 #include <cstdlib>
43 #include <cstdio>
44 #include <cstring>
45 #include <cmath>
46 #include <iostream>
47 #include <string>
48 #include <map>
49 #include <fstream>
50
51 #include "config.h"
52
53 #include "nanorodBuilderCmd.h"
54 #ifdef HAVE_CGAL
55 #include "GeometryBuilder.hpp"
56 #endif
57 #include "lattice/LatticeFactory.hpp"
58 #include "utils/MoLocator.hpp"
59 #include "lattice/Lattice.hpp"
60 #include "brains/Register.hpp"
61 #include "brains/SimInfo.hpp"
62 #include "brains/SimCreator.hpp"
63 #include "io/DumpWriter.hpp"
64 #include "math/Vector3.hpp"
65 #include "math/SquareMatrix3.hpp"
66 #include "utils/StringUtils.hpp"
67
68 using namespace std;
69 using namespace oopse;
70 void createMdFile(const std::string&oldMdFileName,
71 const std::string&newMdFileName,
72 int numMol);
73
74 int main(int argc, char *argv []) {
75
76 //register force fields
77 registerForceFields();
78 registerLattice();
79
80 gengetopt_args_info args_info;
81 std::string latticeType;
82 std::string inputFileName;
83 std::string outPrefix;
84 std::string outMdFileName;
85 std::string outInitFileName;
86 std::string outGeomFileName;
87
88
89 Lattice *simpleLat;
90 int numMol;
91 double latticeConstant;
92 std::vector<double> lc;
93 double mass;
94 const double rhoConvertConst = 1.661;
95 double density;
96 double rodLength;
97 double rodDiameter;
98
99
100 int nx, ny, nz;
101 Mat3x3d hmat;
102 MoLocator *locator;
103 std::vector<Vector3d> latticePos;
104 std::vector<Vector3d> latticeOrt;
105 int numMolPerCell;
106 int curMolIndex;
107 DumpWriter *writer;
108
109 // parse command line arguments
110 if (cmdline_parser(argc, argv, &args_info) != 0)
111 exit(1);
112
113
114 // Check for lib CGAL, if we don't have it, we should exit....
115
116 #ifndef HAVE_CGAL
117 std::cerr << "nanoRodBuilder requires libCGAL to function, please rebuild OOPSE with libCGAL."
118 << std::endl;
119 exit(1);
120 #endif
121
122
123
124 //get lattice type
125 latticeType = UpperCase(args_info.latticetype_arg);
126
127
128 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
129 if (simpleLat == NULL) {
130 sprintf(painCave.errMsg, "Lattice Factory can not create %s lattice\n",
131 latticeType.c_str());
132 painCave.isFatal = 1;
133 simError();
134 }
135
136 //get input file name
137 if (args_info.inputs_num)
138 inputFileName = args_info.inputs[0];
139 else {
140 std::cerr << "You must specify a input file name.\n" << std::endl;
141 cmdline_parser_print_help();
142 exit(1);
143 }
144
145 //parse md file and set up the system
146 SimCreator oldCreator;
147 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
148
149 if (oldInfo->getNMoleculeStamp()> 1) {
150 std::cerr << "can not build nanorod with more than one components"
151 << std::endl;
152 exit(1);
153 }
154
155 //get mass of molecule.
156
157 mass = getMolMass(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
158
159 //creat lattice
160 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
161
162 if (simpleLat == NULL) {
163 std::cerr << "Error in creating lattice" << std::endl;
164 exit(1);
165 }
166
167 numMolPerCell = simpleLat->getNumSitesPerCell();
168
169 //calculate lattice constant (in Angstrom)
170 //latticeConstant = pow(rhoConvertConst * numMolPerCell * mass / density,
171 // 1.0 / 3.0);
172
173 latticeConstant = args_info.latticeCnst_arg;
174 rodLength = args_info.length_arg;
175 rodDiameter = args_info.width_arg;
176
177 //set lattice constant
178 lc.push_back(latticeConstant);
179 simpleLat->setLatticeConstant(lc);
180
181
182 //determine the output file names
183 if (args_info.output_given)
184 outInitFileName = args_info.output_arg;
185 else
186 outInitFileName = getPrefix(inputFileName.c_str()) + ".in";
187
188
189
190
191
192
193 //creat Molocator
194 locator = new MoLocator(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
195
196 /*
197 Assume we are carving nanorod out of a cublic block of material and that
198 the shape the material will fit within that block....
199 The model in geometry builder assumes the long axis is in the y direction and the x-z plane is the
200 diameter of the particle.
201 */
202 // Number of Unit Cells in Length first
203 ny = (int)(rodLength/latticeConstant);
204 // Number of unit cells in Width
205 nx = (int)(rodDiameter/latticeConstant);
206 nz = (int)(rodDiameter/latticeConstant);
207
208
209
210 // Create geometry for nanocrystal
211 #ifdef HAVE_CGAL
212 GeometryBuilder myGeometry(rodLength,rodDiameter);
213 if (args_info.genGeomview_given){
214 if (args_info.genGeomview_flag){
215 outGeomFileName = getPrefix(inputFileName.c_str()) + ".off";
216 myGeometry.dumpGeometry(outGeomFileName);
217 }
218 }
219
220 #endif
221
222 /*
223 We have to build the system first to figure out how many molecules
224 there are then create a md file and then actually build the
225 system.
226 */
227
228 //place the molecules
229
230 curMolIndex = 0;
231
232 //get the orientation of the cell sites
233 //for the same type of molecule in same lattice, it will not change
234 latticeOrt = simpleLat->getLatticePointsOrt();
235
236
237 /*
238 void BaseLattice::getLatticePointsPos(std::vector<Vector3d>&
239 latticePos, int nx, int ny, int nz){
240
241 latticePos.resize(nCellSites);
242
243 for( int i=0;i < nCellSites;i++){
244
245 latticePos[i][0] = origin[0] + cellSitesPos[i][0] + cellLen[0] * (double(nx) - 0.5);
246 latticePos[i][1] = origin[1] + cellSitesPos[i][1] + cellLen[1] * (double(ny) - 0.5);
247 latticePos[i][2] = origin[2] + cellSitesPos[i][2] + cellLen[2] * (double(nz) - 0.5);
248 }
249
250 */
251
252
253
254
255 numMol = 0;
256 for(int i = -nx; i < nx; i++) {
257 for(int j = -ny; j < ny; j++) {
258 for(int k = -nz; k < nz; k++) {
259 //if (oldInfo->getNGlobalMolecules() != numMol) {
260
261
262
263 //get the position of the cell sites
264 simpleLat->getLatticePointsPos(latticePos, i, j, k);
265
266 for(int l = 0; l < numMolPerCell; l++) {
267
268 #ifdef HAVE_CGAL
269 if (myGeometry.isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
270 numMol++;
271 }
272 #endif
273 }
274 }
275 }
276 }
277 std::cerr << "numMol before is " << numMol << std::endl;
278
279 // needed for writing out new md file.
280
281 outPrefix = getPrefix(inputFileName.c_str()) + "_" + latticeType;
282 outMdFileName = outPrefix + ".md";
283
284 //creat new .md file on fly which corrects the number of molecule
285 createMdFile(inputFileName, outMdFileName, numMol);
286
287 if (oldInfo != NULL)
288 delete oldInfo;
289
290
291 // We need to read in new siminfo object.
292 //parse md file and set up the system
293 //SimCreator NewCreator;
294
295 SimInfo* NewInfo = oldCreator.createSim(outMdFileName, false);
296
297 // This was so much fun the first time, lets do it again.
298
299 Molecule* mol;
300 SimInfo::MoleculeIterator mi;
301 mol = NewInfo->beginMolecule(mi);
302 numMol = 0;
303 int countMol = 0;
304 for(int i = -nx; i < nx; i++) {
305 for(int j = -ny; j < ny; j++) {
306 for(int k = -nz; k < nz; k++) {
307
308 //get the position of the cell sites
309 simpleLat->getLatticePointsPos(latticePos, i, j, k);
310
311 for(int l = 0; l < numMolPerCell; l++) {
312 if (myGeometry.isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
313 countMol++;
314 if (mol != NULL) {
315 locator->placeMol(latticePos[l], latticeOrt[l], mol);
316 numMol++;
317 } else {
318 std::cerr<<"Error in placing molecule " << countMol << std::endl;
319 }
320 mol = NewInfo->nextMolecule(mi);
321 }
322
323 }
324 }
325 }
326 }
327
328 std::cerr << "numMol after is " << numMol << std::endl;
329
330 //fill Hmat
331 hmat(0, 0)= nx * latticeConstant;
332 hmat(0, 1) = 0.0;
333 hmat(0, 2) = 0.0;
334
335 hmat(1, 0) = 0.0;
336 hmat(1, 1) = ny * latticeConstant;
337 hmat(1, 2) = 0.0;
338
339 hmat(2, 0) = 0.0;
340 hmat(2, 1) = 0.0;
341 hmat(2, 2) = nz * latticeConstant;
342
343 //set Hmat
344 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
345
346
347 //create dumpwriter and write out the coordinates
348 NewInfo->setFinalConfigFileName(outInitFileName);
349 writer = new DumpWriter(NewInfo);
350
351 if (writer == NULL) {
352 std::cerr << "error in creating DumpWriter" << std::endl;
353 exit(1);
354 }
355
356 writer->writeDump();
357 std::cout << "new initial configuration file: " << outInitFileName
358 << " is generated." << std::endl;
359
360 //delete objects
361
362 //delete oldInfo and oldSimSetup
363
364 if (NewInfo != NULL)
365 delete NewInfo;
366
367 if (writer != NULL)
368 delete writer;
369 delete simpleLat;
370 cmdline_parser_free(&args_info);
371 return 0;
372 }
373
374 void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName,
375 int numMol) {
376 ifstream oldMdFile;
377 ofstream newMdFile;
378 const int MAXLEN = 65535;
379 char buffer[MAXLEN];
380
381 //create new .md file based on old .md file
382 oldMdFile.open(oldMdFileName.c_str());
383 newMdFile.open(newMdFileName.c_str());
384
385 oldMdFile.getline(buffer, MAXLEN);
386
387 while (!oldMdFile.eof()) {
388
389 //correct molecule number
390 if (strstr(buffer, "nMol") != NULL) {
391 sprintf(buffer, "\tnMol = %i;", numMol);
392 newMdFile << buffer << std::endl;
393 } else
394 newMdFile << buffer << std::endl;
395
396 oldMdFile.getline(buffer, MAXLEN);
397 }
398
399 oldMdFile.close();
400 newMdFile.close();
401 }
402