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root/group/trunk/nanorodBuilder/nanorodBuilder.cpp
Revision: 2149
Committed: Wed Apr 6 17:05:21 2005 UTC (19 years, 2 months ago) by chuckv
File size: 8736 byte(s)
Log Message:
Building nanorod builder.

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 "applications/simpleBuilder/LatticeFactory.hpp"
54 #include "applications/simpleBuilder/MoLocator.hpp"
55 #include "applications/simpleBuilder/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
74 gengetopt_args_info args_info;
75 std::string latticeType;
76 std::string inputFileName;
77 std::string outPrefix;
78 std::string outMdFileName;
79 std::string outInitFileName;
80 std::string outGeomFileName;
81
82
83 BaseLattice *simpleLat;
84 int numMol;
85 double latticeConstant;
86 std::vector<double> lc;
87 double mass;
88 const double rhoConvertConst = 1.661;
89 double density;
90 double rodLength;
91 double rodDiameter;
92
93
94 int nx,
95 ny,
96 nz;
97 Mat3x3d hmat;
98 MoLocator *locator;
99 std::vector<Vector3d> latticePos;
100 std::vector<Vector3d> latticeOrt;
101 int numMolPerCell;
102 int curMolIndex;
103 DumpWriter *writer;
104
105 // parse command line arguments
106 if (cmdline_parser(argc, argv, &args_info) != 0)
107 exit(1);
108
109
110
111 //get lattice type
112 latticeType = UpperCase(args_info.latticetype_arg);
113
114 if (!LatticeFactory::getInstance()->hasLatticeCreator(latticeType)) {
115 std::cerr << latticeType << " is an invalid lattice type" << std::endl;
116 std::cerr << LatticeFactory::getInstance()->toString() << std::endl;
117 exit(1);
118 }
119
120
121 //get input file name
122 if (args_info.inputs_num)
123 inputFileName = args_info.inputs[0];
124 else {
125 std::cerr << "You must specify a input file name.\n" << std::endl;
126 cmdline_parser_print_help();
127 exit(1);
128 }
129
130 //parse md file and set up the system
131 SimCreator oldCreator;
132 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
133
134 if (oldInfo->getNMoleculeStamp()>= 1) {
135 std::cerr << "can not build nanorod with more than one components"
136 << std::endl;
137 exit(1);
138 }
139
140 //get mass of molecule.
141
142 mass = getMolMass(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
143
144 //creat lattice
145 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
146
147 if (simpleLat == NULL) {
148 std::cerr << "Error in creating lattice" << std::endl;
149 exit(1);
150 }
151
152 numMolPerCell = simpleLat->getNumSitesPerCell();
153
154 //calculate lattice constant (in Angstrom)
155 //latticeConstant = pow(rhoConvertConst * numMolPerCell * mass / density,
156 // 1.0 / 3.0);
157
158 latticeConstant = args_info.latticeCnst_arg;
159 rodLength = args_info.length_arg;
160 rodDiameter = args_info.width_arg;
161
162 //set lattice constant
163 lc.push_back(latticeConstant);
164 simpleLat->setLatticeConstant(lc);
165
166
167 //determine the output file names
168 if (args_info.output_given)
169 outInitFileName = args_info.output_arg;
170 else
171 outInitFileName = getPrefix(inputFileName.c_str()) + ".in";
172
173 //creat Molocator
174 locator = new MoLocator(oldInfo->getMoleculeStamp(0), oldInfo->getForceField());
175
176
177 //Assume we are carving nanorod out of a cublic block of material and that
178 //the shape the material will fit within that block....
179 // The model in geometry builder assumes the long axis is in the y direction and the x-z plane is the
180 // diameter of the particle.
181 // Length first
182 ny = (int)(rodLength/latticeConstant);
183 // Width
184 nx = (int)(rodDiameter/latticeConstant);
185 nz = (int)(rodDiameter/latticeConstant);
186
187
188
189 // Create geometry for nanocrystal
190 GeometryBuilder myGeometry(rodLength,rodDiameter);
191
192
193
194
195 //place the molecules
196
197 curMolIndex = 0;
198
199 //get the orientation of the cell sites
200 //for the same type of molecule in same lattice, it will not change
201 latticeOrt = simpleLat->getLatticePointsOrt();
202
203 Molecule* mol;
204 SimInfo::MoleculeIterator mi;
205 mol = oldInfo->beginMolecule(mi);
206 for(int i = 0; i < nx; i++) {
207 for(int j = 0; j < ny; j++) {
208 for(int k = 0; k < nz; k++) {
209
210 //get the position of the cell sites
211 simpleLat->getLatticePointsPos(latticePos, i, j, k);
212
213 for(int l = 0; l < numMolPerCell; l++) {
214 if (mol != NULL) {
215 locator->placeMol(latticePos[l], latticeOrt[l], mol);
216 } else {
217 std::cerr << std::endl;
218 }
219 mol = oldInfo->nextMolecule(mi);
220 }
221 }
222 }
223 }
224
225
226
227
228
229
230
231 //fill Hmat
232 hmat(0, 0)= nx * latticeConstant;
233 hmat(0, 1) = 0.0;
234 hmat(0, 2) = 0.0;
235
236 hmat(1, 0) = 0.0;
237 hmat(1, 1) = ny * latticeConstant;
238 hmat(1, 2) = 0.0;
239
240 hmat(2, 0) = 0.0;
241 hmat(2, 1) = 0.0;
242 hmat(2, 2) = nz * latticeConstant;
243
244 //set Hmat
245 oldInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
246
247
248 //create dumpwriter and write out the coordinates
249 oldInfo->setFinalConfigFileName(outInitFileName);
250 writer = new DumpWriter(oldInfo);
251
252 if (writer == NULL) {
253 std::cerr << "error in creating DumpWriter" << std::endl;
254 exit(1);
255 }
256
257 writer->writeDump();
258 std::cout << "new initial configuration file: " << outInitFileName
259 << " is generated." << std::endl;
260
261 //delete objects
262
263 //delete oldInfo and oldSimSetup
264 if (oldInfo != NULL)
265 delete oldInfo;
266
267 if (writer != NULL)
268 delete writer;
269
270 return 0;
271 }
272
273 void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName,
274 int numMol) {
275 ifstream oldMdFile;
276 ofstream newMdFile;
277 const int MAXLEN = 65535;
278 char buffer[MAXLEN];
279
280 //create new .md file based on old .md file
281 oldMdFile.open(oldMdFileName.c_str());
282 newMdFile.open(newMdFileName.c_str());
283
284 oldMdFile.getline(buffer, MAXLEN);
285
286 while (!oldMdFile.eof()) {
287
288 //correct molecule number
289 if (strstr(buffer, "nMol") != NULL) {
290 sprintf(buffer, "\t\tnMol = %d;", numMol);
291 newMdFile << buffer << std::endl;
292 } else
293 newMdFile << buffer << std::endl;
294
295 oldMdFile.getline(buffer, MAXLEN);
296 }
297
298 oldMdFile.close();
299 newMdFile.close();
300 }
301