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root/group/trunk/OOPSE-4/src/applications/simpleBuilder/simpleBuilder.cpp
Revision: 3041
Committed: Tue Oct 10 18:34:12 2006 UTC (17 years, 9 months ago) by gezelter
File size: 8241 byte(s)
Log Message:
fixing missing lattice arguments, adding a builder sample

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 "applications/simpleBuilder/simpleBuilderCmd.h"
52 #include "lattice/LatticeFactory.hpp"
53 #include "utils/MoLocator.hpp"
54 #include "lattice/Lattice.hpp"
55 #include "brains/Register.hpp"
56 #include "brains/SimInfo.hpp"
57 #include "brains/SimCreator.hpp"
58 #include "io/DumpWriter.hpp"
59 #include "math/Vector3.hpp"
60 #include "math/SquareMatrix3.hpp"
61 #include "utils/StringUtils.hpp"
62
63 using namespace std;
64 using namespace oopse;
65
66 void createMdFile(const std::string&oldMdFileName,
67 const std::string&newMdFileName,
68 int nMol);
69
70 int main(int argc, char *argv []) {
71
72 // register force fields
73 registerForceFields();
74 registerLattice();
75
76 gengetopt_args_info args_info;
77 std::string latticeType;
78 std::string inputFileName;
79 std::string outputFileName;
80 Lattice *simpleLat;
81 RealType latticeConstant;
82 std::vector<RealType> lc;
83 const RealType rhoConvertConst = 1.661;
84 RealType density;
85 int nx, ny, nz;
86 Mat3x3d hmat;
87 MoLocator *locator;
88 std::vector<Vector3d> latticePos;
89 std::vector<Vector3d> latticeOrt;
90 int nMolPerCell;
91 DumpWriter *writer;
92
93 // parse command line arguments
94 if (cmdline_parser(argc, argv, &args_info) != 0)
95 exit(1);
96
97 density = args_info.density_arg;
98
99 //get lattice type
100 latticeType = "FCC";
101
102 simpleLat = LatticeFactory::getInstance()->createLattice(latticeType);
103
104 if (simpleLat == NULL) {
105 sprintf(painCave.errMsg, "Lattice Factory can not create %s lattice\n",
106 latticeType.c_str());
107 painCave.isFatal = 1;
108 simError();
109 }
110 nMolPerCell = simpleLat->getNumSitesPerCell();
111
112 //get the number of unit cells in each direction:
113
114 nx = args_info.nx_arg;
115
116 if (nx <= 0) {
117 sprintf(painCave.errMsg, "The number of unit cells in the x direction "
118 "must be greater than 0.");
119 painCave.isFatal = 1;
120 simError();
121 }
122
123 ny = args_info.ny_arg;
124
125 if (ny <= 0) {
126 sprintf(painCave.errMsg, "The number of unit cells in the y direction "
127 "must be greater than 0.");
128 painCave.isFatal = 1;
129 simError();
130 }
131
132 nz = args_info.nz_arg;
133
134 if (nz <= 0) {
135 sprintf(painCave.errMsg, "The number of unit cells in the z direction "
136 "must be greater than 0.");
137 painCave.isFatal = 1;
138 simError();
139 }
140
141 int nSites = nMolPerCell * nx * ny * nz;
142
143 //get input file name
144 if (args_info.inputs_num)
145 inputFileName = args_info.inputs[0];
146 else {
147 sprintf(painCave.errMsg, "No input .md file name was specified "
148 "on the command line");
149 painCave.isFatal = 1;
150 simError();
151 }
152
153 //parse md file and set up the system
154
155 SimCreator oldCreator;
156 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
157 Globals* simParams = oldInfo->getSimParams();
158
159 // Calculate lattice constant (in Angstroms)
160
161 RealType avgMass = getMolMass(oldInfo->getMoleculeStamp(0),
162 oldInfo->getForceField());
163
164 latticeConstant = pow(rhoConvertConst * nMolPerCell * avgMass / density,
165 (RealType)(1.0 / 3.0));
166
167 // Set the lattice constant
168
169 lc.push_back(latticeConstant);
170 simpleLat->setLatticeConstant(lc);
171
172 // Calculate the lattice sites and fill the lattice vector.
173
174 // Get the standard orientations of the cell sites
175
176 latticeOrt = simpleLat->getLatticePointsOrt();
177
178 vector<Vector3d> sites;
179 vector<Vector3d> orientations;
180
181 for(int i = 0; i < nx; i++) {
182 for(int j = 0; j < ny; j++) {
183 for(int k = 0; k < nz; k++) {
184
185 // Get the position of the cell sites
186
187 simpleLat->getLatticePointsPos(latticePos, i, j, k);
188
189 for(int l = 0; l < nMolPerCell; l++) {
190 sites.push_back(latticePos[l]);
191 orientations.push_back(latticeOrt[l]);
192 }
193 }
194 }
195 }
196
197 outputFileName = args_info.output_arg;
198
199 // create a new .md file on the fly which corrects the number of molecules
200
201 createMdFile(inputFileName, outputFileName, nSites);
202
203 if (oldInfo != NULL)
204 delete oldInfo;
205
206 // We need to read in the new SimInfo object, then Parse the
207 // md file and set up the system
208
209 SimCreator newCreator;
210 SimInfo* newInfo = newCreator.createSim(outputFileName, false);
211
212 // fill Hmat
213
214 hmat(0, 0) = nx * latticeConstant;
215 hmat(0, 1) = 0.0;
216 hmat(0, 2) = 0.0;
217
218 hmat(1, 0) = 0.0;
219 hmat(1, 1) = ny * latticeConstant;
220 hmat(1, 2) = 0.0;
221
222 hmat(2, 0) = 0.0;
223 hmat(2, 1) = 0.0;
224 hmat(2, 2) = nz * latticeConstant;
225
226 // Set Hmat
227
228 newInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
229
230 // place the molecules
231
232 Molecule* mol;
233 locator = new MoLocator(newInfo->getMoleculeStamp(0),
234 newInfo->getForceField());
235 for (int n = 0; n < nSites; n++) {
236 mol = newInfo->getMoleculeByGlobalIndex(n);
237 locator->placeMol(sites[n], orientations[n], mol);
238 }
239
240 // Create DumpWriter and write out the coordinates
241
242 writer = new DumpWriter(newInfo, outputFileName);
243
244 if (writer == NULL) {
245 sprintf(painCave.errMsg, "error in creating DumpWriter");
246 painCave.isFatal = 1;
247 simError();
248 }
249
250 writer->writeDump();
251
252 // deleting the writer will put the closing at the end of the dump file.
253
254 delete writer;
255
256 sprintf(painCave.errMsg, "A new OOPSE MD file called \"%s\" has been "
257 "generated.\n", outputFileName.c_str());
258 painCave.isFatal = 0;
259 simError();
260 return 0;
261 }
262
263 void createMdFile(const std::string&oldMdFileName,
264 const std::string&newMdFileName,
265 int nMol) {
266 ifstream oldMdFile;
267 ofstream newMdFile;
268 const int MAXLEN = 65535;
269 char buffer[MAXLEN];
270
271 //create new .md file based on old .md file
272 oldMdFile.open(oldMdFileName.c_str());
273 newMdFile.open(newMdFileName.c_str());
274
275 oldMdFile.getline(buffer, MAXLEN);
276
277 while (!oldMdFile.eof()) {
278
279 //correct molecule number
280 if (strstr(buffer, "nMol") != NULL) {
281 sprintf(buffer, "\t\tnMol = %d;", nMol);
282 newMdFile << buffer << std::endl;
283 } else
284 newMdFile << buffer << std::endl;
285
286 oldMdFile.getline(buffer, MAXLEN);
287 }
288
289 oldMdFile.close();
290 newMdFile.close();
291 }
292