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root/group/trunk/OOPSE-3.0/src/applications/nanoRodBuilder/nanorodBuilder.cpp
Revision: 2184
Committed: Tue Apr 12 22:33:50 2005 UTC (19 years, 3 months ago) by tim
File size: 10705 byte(s)
Log Message:
refactory lattice

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 "nanorodBuilderCmd.h"
52 //#include "GeometryBuilder.hpp"
53 #include "lattice/LatticeFactory.hpp"
54 #include "utils/MoLocator.hpp"
55 #include "lattice/Lattice.hpp"
56 #include "brains/Register.hpp"
57 #include "brains/SimInfo.hpp"
58 #include "brains/SimCreator.hpp"
59 #include "io/DumpWriter.hpp"
60 #include "math/Vector3.hpp"
61 #include "math/SquareMatrix3.hpp"
62 #include "utils/StringUtils.hpp"
63
64 using namespace std;
65 using namespace oopse;
66 void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName,
67 int numMol);
68
69 int main(int argc, char *argv []) {
70
71 //register force fields
72 registerForceFields();
73 registerLattice();
74
75 gengetopt_args_info args_info;
76 std::string latticeType;
77 std::string inputFileName;
78 std::string outPrefix;
79 std::string outMdFileName;
80 std::string outInitFileName;
81 std::string outGeomFileName;
82
83
84 Lattice *simpleLat;
85 int numMol;
86 double latticeConstant;
87 std::vector<double> lc;
88 double mass;
89 const double rhoConvertConst = 1.661;
90 double density;
91 double rodLength;
92 double rodDiameter;
93
94
95 int nx,
96 ny,
97 nz;
98 Mat3x3d hmat;
99 MoLocator *locator;
100 std::vector<Vector3d> latticePos;
101 std::vector<Vector3d> latticeOrt;
102 int numMolPerCell;
103 int curMolIndex;
104 DumpWriter *writer;
105
106 // parse command line arguments
107 if (cmdline_parser(argc, argv, &args_info) != 0)
108 exit(1);
109
110
111
112 //get lattice type
113 latticeType = UpperCase(args_info.latticetype_arg);
114
115
116 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
117 if (simpleLat == NULL) {
118 sprintf(painCave.errMsg, "Lattice Factory can not create %s lattice\n",
119 latticeType.c_str());
120 painCave.isFatal = 1;
121 simError();
122 }
123
124 //get input file name
125 if (args_info.inputs_num)
126 inputFileName = args_info.inputs[0];
127 else {
128 std::cerr << "You must specify a input file name.\n" << std::endl;
129 cmdline_parser_print_help();
130 exit(1);
131 }
132
133 //parse md file and set up the system
134 SimCreator oldCreator;
135 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
136
137 if (oldInfo->getNMoleculeStamp()> 1) {
138 std::cerr << "can not build nanorod with more than one components"
139 << std::endl;
140 exit(1);
141 }
142
143 //get mass of molecule.
144
145 mass = getMolMass(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
146
147 //creat lattice
148 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
149
150 if (simpleLat == NULL) {
151 std::cerr << "Error in creating lattice" << std::endl;
152 exit(1);
153 }
154
155 numMolPerCell = simpleLat->getNumSitesPerCell();
156
157 //calculate lattice constant (in Angstrom)
158 //latticeConstant = pow(rhoConvertConst * numMolPerCell * mass / density,
159 // 1.0 / 3.0);
160
161 latticeConstant = args_info.latticeCnst_arg;
162 rodLength = args_info.length_arg;
163 rodDiameter = args_info.width_arg;
164
165 //set lattice constant
166 lc.push_back(latticeConstant);
167 simpleLat->setLatticeConstant(lc);
168
169
170 //determine the output file names
171 if (args_info.output_given)
172 outInitFileName = args_info.output_arg;
173 else
174 outInitFileName = getPrefix(inputFileName.c_str()) + ".in";
175
176 //creat Molocator
177 locator = new MoLocator(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
178
179 /*
180 Assume we are carving nanorod out of a cublic block of material and that
181 the shape the material will fit within that block....
182 The model in geometry builder assumes the long axis is in the y direction and the x-z plane is the
183 diameter of the particle.
184 */
185 // Number of Unit Cells in Length first
186 ny = (int)(rodLength/latticeConstant);
187 // Number of unit cells in Width
188 nx = (int)(rodDiameter/latticeConstant);
189 nz = (int)(rodDiameter/latticeConstant);
190
191
192
193 // Create geometry for nanocrystal
194 //GeometryBuilder myGeometry(rodLength,rodDiameter);
195
196 /*
197 We have to build the system first to figure out how many molecules there are
198 then create a md file and then actually build the system.
199 */
200
201 //place the molecules
202
203 curMolIndex = 0;
204
205 //get the orientation of the cell sites
206 //for the same type of molecule in same lattice, it will not change
207 latticeOrt = simpleLat->getLatticePointsOrt();
208
209
210 /*
211 void BaseLattice::getLatticePointsPos(std::vector<Vector3d>& latticePos, int nx, int ny, int nz){
212
213 latticePos.resize(nCellSites);
214
215 for( int i=0;i < nCellSites;i++){
216
217 latticePos[i][0] = origin[0] + cellSitesPos[i][0] + cellLen[0] * (double(nx) - 0.5);
218 latticePos[i][1] = origin[1] + cellSitesPos[i][1] + cellLen[1] * (double(ny) - 0.5);
219 latticePos[i][2] = origin[2] + cellSitesPos[i][2] + cellLen[2] * (double(nz) - 0.5);
220 }
221
222 */
223
224
225
226
227 numMol = 0;
228 for(int i = 0; i < nx; i++) {
229 for(int j = 0; j < ny; j++) {
230 for(int k = 0; k < nz; k++) {
231 //if (oldInfo->getNGlobalMolecules() != numMol) {
232
233
234
235 //get the position of the cell sites
236 simpleLat->getLatticePointsPos(latticePos, i, j, k);
237
238 for(int l = 0; l < numMolPerCell; l++) {
239 /*
240 if (myGeometry.isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
241 numMol++;
242 }
243 */
244 numMol++;
245 }
246 }
247 }
248 }
249
250
251 // needed for writing out new md file.
252
253 outPrefix = getPrefix(inputFileName.c_str()) + "_" + latticeType;
254 outMdFileName = outPrefix + ".md";
255
256 //creat new .md file on fly which corrects the number of molecule
257 createMdFile(inputFileName, outMdFileName, numMol);
258
259 if (oldInfo != NULL)
260 delete oldInfo;
261
262
263 // We need to read in new siminfo object.
264 //parse md file and set up the system
265 //SimCreator NewCreator;
266
267 SimInfo* NewInfo = oldCreator.createSim(outMdFileName, false);
268
269 // This was so much fun the first time, lets do it again.
270
271 Molecule* mol;
272 SimInfo::MoleculeIterator mi;
273 mol = NewInfo->beginMolecule(mi);
274
275 for(int i = 0; i < nx; i++) {
276 for(int j = 0; j < ny; j++) {
277 for(int k = 0; k < nz; k++) {
278
279 //get the position of the cell sites
280 simpleLat->getLatticePointsPos(latticePos, i, j, k);
281
282 for(int l = 0; l < numMolPerCell; l++) {
283 if (mol != NULL) {
284 /*
285 if (myGeometry.isInsidePolyhedron(latticePos[l][0],latticePos[l][1],latticePos[l][2])){
286 locator->placeMol(latticePos[l], latticeOrt[l], mol);
287 }
288 */
289 locator->placeMol(latticePos[l], latticeOrt[l], mol);
290 } else {
291 std::cerr << std::endl;
292 }
293 mol = NewInfo->nextMolecule(mi);
294 }
295 }
296 }
297 }
298
299
300
301 //fill Hmat
302 hmat(0, 0)= nx * latticeConstant;
303 hmat(0, 1) = 0.0;
304 hmat(0, 2) = 0.0;
305
306 hmat(1, 0) = 0.0;
307 hmat(1, 1) = ny * latticeConstant;
308 hmat(1, 2) = 0.0;
309
310 hmat(2, 0) = 0.0;
311 hmat(2, 1) = 0.0;
312 hmat(2, 2) = nz * latticeConstant;
313
314 //set Hmat
315 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
316
317
318 //create dumpwriter and write out the coordinates
319 NewInfo->setFinalConfigFileName(outInitFileName);
320 writer = new DumpWriter(NewInfo);
321
322 if (writer == NULL) {
323 std::cerr << "error in creating DumpWriter" << std::endl;
324 exit(1);
325 }
326
327 writer->writeDump();
328 std::cout << "new initial configuration file: " << outInitFileName
329 << " is generated." << std::endl;
330
331 //delete objects
332
333 //delete oldInfo and oldSimSetup
334
335 if (NewInfo != NULL)
336 delete NewInfo;
337
338 if (writer != NULL)
339 delete writer;
340
341 return 0;
342 }
343
344 void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName,
345 int numMol) {
346 ifstream oldMdFile;
347 ofstream newMdFile;
348 const int MAXLEN = 65535;
349 char buffer[MAXLEN];
350
351 //create new .md file based on old .md file
352 oldMdFile.open(oldMdFileName.c_str());
353 newMdFile.open(newMdFileName.c_str());
354
355 oldMdFile.getline(buffer, MAXLEN);
356
357 while (!oldMdFile.eof()) {
358
359 //correct molecule number
360 if (strstr(buffer, "nMol") != NULL) {
361 sprintf(buffer, "\tnMol = %i;", numMol);
362 newMdFile << buffer << std::endl;
363 } else
364 newMdFile << buffer << std::endl;
365
366 oldMdFile.getline(buffer, MAXLEN);
367 }
368
369 oldMdFile.close();
370 newMdFile.close();
371 }
372