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root/group/trunk/OOPSE-3.0/src/applications/nanoRodBuilder/nanorodBuilder.cpp
Revision: 2252
Committed: Mon May 30 14:01:52 2005 UTC (19 years, 2 months ago) by chuckv
File size: 10773 byte(s)
Log Message:
Added method to remove system angular momentum to velocitizer and added method to calculate system angular momentum to siminfo.

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 "GeometryFactory.hpp"
58 #include "Geometry.hpp"
59 #include "lattice/LatticeFactory.hpp"
60 #include "utils/MoLocator.hpp"
61 #include "lattice/Lattice.hpp"
62 #include "brains/Register.hpp"
63 #include "brains/SimInfo.hpp"
64 #include "brains/SimCreator.hpp"
65 #include "io/DumpWriter.hpp"
66 #include "math/Vector3.hpp"
67 #include "math/SquareMatrix3.hpp"
68 #include "utils/StringUtils.hpp"
69
70 using namespace std;
71 using namespace oopse;
72 void createMdFile(const std::string&oldMdFileName,
73 const std::string&newMdFileName,
74 int numMol);
75
76 int main(int argc, char *argv []) {
77
78 //register force fields
79 registerForceFields();
80 registerLattice();
81
82 gengetopt_args_info args_info;
83 std::string latticeType;
84 std::string inputFileName;
85 std::string outPrefix;
86 std::string outMdFileName;
87 std::string outInitFileName;
88 std::string outGeomFileName;
89
90
91 Lattice *simpleLat;
92 int numMol;
93 double latticeConstant;
94 std::vector<double> lc;
95 double mass;
96 const double rhoConvertConst = 1.661;
97 double density;
98 double rodLength;
99 double rodDiameter;
100
101
102 int nx, ny, nz;
103 Mat3x3d hmat;
104 MoLocator *locator;
105 std::vector<Vector3d> latticePos;
106 std::vector<Vector3d> latticeOrt;
107 int numMolPerCell;
108 DumpWriter *writer;
109
110 // parse command line arguments
111 if (cmdline_parser(argc, argv, &args_info) != 0)
112 exit(1);
113
114
115 // Check for lib CGAL, if we don't have it, we should exit....
116
117 #ifndef HAVE_CGAL
118 std::cerr << "nanoRodBuilder requires libCGAL to function, please rebuild OOPSE with libCGAL."
119 << std::endl;
120 exit(1);
121 #endif
122
123
124
125 //get lattice type
126 latticeType = UpperCase(args_info.latticetype_arg);
127
128 //get input file name
129 if (args_info.inputs_num)
130 inputFileName = args_info.inputs[0];
131 else {
132 std::cerr << "You must specify a input file name.\n" << std::endl;
133 cmdline_parser_print_help();
134 exit(1);
135 }
136
137 //parse md file and set up the system
138 SimCreator oldCreator;
139 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
140
141 if (oldInfo->getNMoleculeStamp()> 1) {
142 std::cerr << "can not build nanorod with more than one components"
143 << std::endl;
144 exit(1);
145 }
146
147 //get mass of molecule.
148
149 mass = getMolMass(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
150
151 //creat lattice
152 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
153
154 if (simpleLat == NULL) {
155 std::cerr << "Error in creating lattice" << std::endl;
156 exit(1);
157 }
158
159 numMolPerCell = simpleLat->getNumSitesPerCell();
160
161 //calculate lattice constant (in Angstrom)
162 //latticeConstant = pow(rhoConvertConst * numMolPerCell * mass / density,
163 // 1.0 / 3.0);
164
165 latticeConstant = args_info.latticeCnst_arg;
166 rodLength = args_info.length_arg;
167 rodDiameter = args_info.width_arg;
168
169 //set lattice constant
170 lc.push_back(latticeConstant);
171 simpleLat->setLatticeConstant(lc);
172
173
174 //determine the output file names
175 if (args_info.output_given)
176 outInitFileName = args_info.output_arg;
177 else
178 outInitFileName = getPrefix(inputFileName.c_str()) + ".in";
179
180
181
182
183
184
185 //creat Molocator
186 locator = new MoLocator(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
187
188 /*
189 Assume we are carving nanorod out of a cublic block of material and that
190 the shape the material will fit within that block....
191 The model in geometry builder assumes the long axis is in the y direction and the x-z plane is the
192 diameter of the particle.
193 */
194 // Number of Unit Cells in Length first
195 ny = (int)(rodLength/latticeConstant);
196 // Number of unit cells in Width
197 nx = (int)(rodDiameter/latticeConstant);
198 nz = (int)(rodDiameter/latticeConstant);
199
200
201
202 // Create geometry for nanocrystal
203 #ifdef HAVE_CGAL
204 GeometryBuilder *myGeometry;
205 // GeometryBuilder myGeometry(rodLength,rodDiameter);
206 if (args_info.twinnedCrystal_flag){
207 myGeometry = new GeometryBuilder(rodLength,rodDiameter);
208 }
209 else{
210 myGeometry = new GeometryBuilder(rodLength,rodDiameter);
211 }
212
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
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 numMol = 0;
239 for(int i = -nx; i < nx; i++) {
240 for(int j = -ny; j < ny; j++) {
241 for(int k = -nz; k < nz; k++) {
242 //if (oldInfo->getNGlobalMolecules() != numMol) {
243
244
245
246 //get the position of the cell sites
247 simpleLat->getLatticePointsPos(latticePos, i, j, k);
248
249 for(int l = 0; l < numMolPerCell; l++) {
250
251 #ifdef HAVE_CGAL
252 if (myGeometry->isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
253 numMol++;
254 }
255 #else
256 numMol++;
257 #endif
258 }
259 }
260 }
261 }
262
263
264 // needed for writing out new md file.
265
266 outPrefix = getPrefix(inputFileName.c_str()) + "_" + latticeType;
267 outMdFileName = outPrefix + ".md";
268
269 //creat new .md file on fly which corrects the number of molecule
270 createMdFile(inputFileName, outMdFileName, numMol);
271
272 if (oldInfo != NULL)
273 delete oldInfo;
274
275
276 // We need to read in new siminfo object.
277 //parse md file and set up the system
278 //SimCreator NewCreator;
279
280 SimInfo* NewInfo = oldCreator.createSim(outMdFileName, false);
281
282 // This was so much fun the first time, lets do it again.
283
284 Molecule* mol;
285 SimInfo::MoleculeIterator mi;
286 mol = NewInfo->beginMolecule(mi);
287
288
289 for(int i = -nx; i < nx; i++) {
290 for(int j = -ny; j < ny; j++) {
291 for(int k = -nz; k < nz; k++) {
292
293 //get the position of the cell sites
294 simpleLat->getLatticePointsPos(latticePos, i, j, k);
295
296 for(int l = 0; l < numMolPerCell; l++) {
297 #ifdef HAVE_CGAL
298 if (myGeometry->isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
299 #endif
300 if (mol != NULL) {
301 locator->placeMol(latticePos[l], latticeOrt[l], mol);
302 } else {
303 std::cerr<<"Error in placing molecule " << std::endl;
304 }
305 mol = NewInfo->nextMolecule(mi);
306 #ifdef HAVE_CGAL
307 }
308 #endif
309 }
310 }
311 }
312 }
313
314
315
316 //fill Hmat
317 hmat(0, 0)= nx * latticeConstant;
318 hmat(0, 1) = 0.0;
319 hmat(0, 2) = 0.0;
320
321 hmat(1, 0) = 0.0;
322 hmat(1, 1) = ny * latticeConstant;
323 hmat(1, 2) = 0.0;
324
325 hmat(2, 0) = 0.0;
326 hmat(2, 1) = 0.0;
327 hmat(2, 2) = nz * latticeConstant;
328
329 //set Hmat
330 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
331
332
333 //create dumpwriter and write out the coordinates
334 NewInfo->setFinalConfigFileName(outInitFileName);
335 writer = new DumpWriter(NewInfo);
336
337 if (writer == NULL) {
338 std::cerr << "error in creating DumpWriter" << std::endl;
339 exit(1);
340 }
341
342 writer->writeDump();
343 std::cout << "new initial configuration file: " << outInitFileName
344 << " is generated." << std::endl;
345
346 //delete objects
347
348 //delete oldInfo and oldSimSetup
349
350 if (NewInfo != NULL)
351 delete NewInfo;
352
353 if (writer != NULL)
354 delete writer;
355 delete simpleLat;
356 cmdline_parser_free(&args_info);
357 return 0;
358 }
359
360 void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName,
361 int numMol) {
362 ifstream oldMdFile;
363 ofstream newMdFile;
364 const int MAXLEN = 65535;
365 char buffer[MAXLEN];
366
367 //create new .md file based on old .md file
368 oldMdFile.open(oldMdFileName.c_str());
369 newMdFile.open(newMdFileName.c_str());
370
371 oldMdFile.getline(buffer, MAXLEN);
372
373 while (!oldMdFile.eof()) {
374
375 //correct molecule number
376 if (strstr(buffer, "nMol") != NULL) {
377 sprintf(buffer, "\tnMol = %i;", numMol);
378 newMdFile << buffer << std::endl;
379 } else
380 newMdFile << buffer << std::endl;
381
382 oldMdFile.getline(buffer, MAXLEN);
383 }
384
385 oldMdFile.close();
386 newMdFile.close();
387 }
388