| 1 | /* Copyright (c) 2006 The University of Notre Dame. All Rights Reserved. | 
| 2 | * | 
| 3 | * The University of Notre Dame grants you ("Licensee") a | 
| 4 | * non-exclusive, royalty free, license to use, modify and | 
| 5 | * redistribute this software in source and binary code form, provided | 
| 6 | * that the following conditions are met: | 
| 7 | * | 
| 8 | * 1. Acknowledgement of the program authors must be made in any | 
| 9 | *    publication of scientific results based in part on use of the | 
| 10 | *    program.  An acceptable form of acknowledgement is citation of | 
| 11 | *    the article in which the program was described (Matthew | 
| 12 | *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
| 13 | *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
| 14 | *    Parallel Simulation Engine for Molecular Dynamics," | 
| 15 | *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
| 16 | * | 
| 17 | * 2. Redistributions of source code must retain the above copyright | 
| 18 | *    notice, this list of conditions and the following disclaimer. | 
| 19 | * | 
| 20 | * 3. Redistributions in binary form must reproduce the above copyright | 
| 21 | *    notice, this list of conditions and the following disclaimer in the | 
| 22 | *    documentation and/or other materials provided with the | 
| 23 | *    distribution. | 
| 24 | * | 
| 25 | * This software is provided "AS IS," without a warranty of any | 
| 26 | * kind. All express or implied conditions, representations and | 
| 27 | * warranties, including any implied warranty of merchantability, | 
| 28 | * fitness for a particular purpose or non-infringement, are hereby | 
| 29 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 30 | * be liable for any damages suffered by licensee as a result of | 
| 31 | * using, modifying or distributing the software or its | 
| 32 | * derivatives. In no event will the University of Notre Dame or its | 
| 33 | * licensors be liable for any lost revenue, profit or data, or for | 
| 34 | * direct, indirect, special, consequential, incidental or punitive | 
| 35 | * damages, however caused and regardless of the theory of liability, | 
| 36 | * arising out of the use of or inability to use software, even if the | 
| 37 | * University of Notre Dame has been advised of the possibility of | 
| 38 | * such damages. | 
| 39 | * | 
| 40 | * | 
| 41 | *  randomBuilder.cpp | 
| 42 | * | 
| 43 | *  Created by Charles F. Vardeman II on 10 Apr 2006. | 
| 44 | *  @author  Charles F. Vardeman II | 
| 45 | *  @version $Id: randomBuilder.cpp,v 1.3 2006-10-09 22:16:44 gezelter Exp $ | 
| 46 | * | 
| 47 | */ | 
| 48 |  | 
| 49 |  | 
| 50 | #include <cstdlib> | 
| 51 | #include <cstdio> | 
| 52 | #include <cstring> | 
| 53 | #include <cmath> | 
| 54 | #include <iostream> | 
| 55 | #include <string> | 
| 56 | #include <map> | 
| 57 | #include <fstream> | 
| 58 |  | 
| 59 | #include "applications/randomBuilder/randomBuilderCmd.h" | 
| 60 | #include "lattice/LatticeFactory.hpp" | 
| 61 | #include "utils/MoLocator.hpp" | 
| 62 | #include "lattice/Lattice.hpp" | 
| 63 | #include "brains/Register.hpp" | 
| 64 | #include "brains/SimInfo.hpp" | 
| 65 | #include "brains/SimCreator.hpp" | 
| 66 | #include "io/DumpWriter.hpp" | 
| 67 | #include "math/Vector3.hpp" | 
| 68 | #include "math/SquareMatrix3.hpp" | 
| 69 | #include "utils/StringUtils.hpp" | 
| 70 |  | 
| 71 | using namespace std; | 
| 72 | using namespace oopse; | 
| 73 |  | 
| 74 | void createMdFile(const std::string&oldMdFileName, | 
| 75 | const std::string&newMdFileName, | 
| 76 | int components,int* numMol); | 
| 77 |  | 
| 78 | int main(int argc, char *argv []) { | 
| 79 |  | 
| 80 | //register force fields | 
| 81 | registerForceFields(); | 
| 82 | registerLattice(); | 
| 83 |  | 
| 84 | gengetopt_args_info args_info; | 
| 85 | std::string latticeType; | 
| 86 | std::string inputFileName; | 
| 87 | std::string outPrefix; | 
| 88 | std::string outMdFileName; | 
| 89 | Lattice *simpleLat; | 
| 90 | int* numMol; | 
| 91 | RealType latticeConstant; | 
| 92 | std::vector<RealType> lc; | 
| 93 | RealType mass; | 
| 94 | const RealType rhoConvertConst = 1.661; | 
| 95 | RealType density; | 
| 96 | int nx, | 
| 97 | ny, | 
| 98 | nz; | 
| 99 | Mat3x3d hmat; | 
| 100 | MoLocator *locator; | 
| 101 | std::vector<Vector3d> latticePos; | 
| 102 | std::vector<Vector3d> latticeOrt; | 
| 103 | int numMolPerCell; | 
| 104 | int curMolIndex; | 
| 105 | DumpWriter *writer; | 
| 106 |  | 
| 107 | // parse command line arguments | 
| 108 | if (cmdline_parser(argc, argv, &args_info) != 0) | 
| 109 | exit(1); | 
| 110 |  | 
| 111 | density = args_info.density_arg; | 
| 112 |  | 
| 113 | //get lattice type | 
| 114 | latticeType = UpperCase(args_info.latticetype_arg); | 
| 115 |  | 
| 116 | simpleLat = LatticeFactory::getInstance()->createLattice(latticeType); | 
| 117 |  | 
| 118 | if (simpleLat == NULL) { | 
| 119 | sprintf(painCave.errMsg, "Lattice Factory can not create %s lattice\n", | 
| 120 | latticeType.c_str()); | 
| 121 | painCave.isFatal = 1; | 
| 122 | simError(); | 
| 123 | } | 
| 124 |  | 
| 125 | //get the number of unit cell | 
| 126 | nx = args_info.nx_arg; | 
| 127 |  | 
| 128 | if (nx <= 0) { | 
| 129 | std::cerr << "The number of unit cell in h direction must be greater than 0" << std::endl; | 
| 130 | exit(1); | 
| 131 | } | 
| 132 |  | 
| 133 | ny = args_info.ny_arg; | 
| 134 |  | 
| 135 | if (ny <= 0) { | 
| 136 | std::cerr << "The number of unit cell in l direction must be greater than 0" << std::endl; | 
| 137 | exit(1); | 
| 138 | } | 
| 139 |  | 
| 140 | nz = args_info.nz_arg; | 
| 141 |  | 
| 142 | if (nz <= 0) { | 
| 143 | std::cerr << "The number of unit cell in k direction must be greater than 0" << std::endl; | 
| 144 | exit(1); | 
| 145 | } | 
| 146 |  | 
| 147 | //get input file name | 
| 148 | if (args_info.inputs_num) | 
| 149 | inputFileName = args_info.inputs[0]; | 
| 150 | else { | 
| 151 | std::cerr << "You must specify a input file name.\n" << std::endl; | 
| 152 | cmdline_parser_print_help(); | 
| 153 | exit(1); | 
| 154 | } | 
| 155 |  | 
| 156 | //parse md file and set up the system | 
| 157 | SimCreator oldCreator; | 
| 158 | SimInfo* oldInfo = oldCreator.createSim(inputFileName, false); | 
| 159 | Globals* simParams = oldInfo->getSimParams(); | 
| 160 |  | 
| 161 | int nComponents =simParams->getNComponents(); | 
| 162 | if (oldInfo->getNMoleculeStamp() > 2) { | 
| 163 | std::cerr << "can not build the system with more than two components" | 
| 164 | << std::endl; | 
| 165 | exit(1); | 
| 166 | } | 
| 167 |  | 
| 168 | //get mass of molecule. | 
| 169 |  | 
| 170 | mass = getMolMass(oldInfo->getMoleculeStamp(0), oldInfo->getForceField()); | 
| 171 |  | 
| 172 | //creat lattice | 
| 173 | simpleLat = LatticeFactory::getInstance()->createLattice(latticeType); | 
| 174 |  | 
| 175 | if (simpleLat == NULL) { | 
| 176 | std::cerr << "Error in creating lattice" << std::endl; | 
| 177 | exit(1); | 
| 178 | } | 
| 179 |  | 
| 180 | numMolPerCell = simpleLat->getNumSitesPerCell(); | 
| 181 |  | 
| 182 | //calculate lattice constant (in Angstrom) | 
| 183 | latticeConstant = pow(rhoConvertConst * numMolPerCell * mass / density, | 
| 184 | (RealType)(1.0 / 3.0)); | 
| 185 |  | 
| 186 | //set lattice constant | 
| 187 | lc.push_back(latticeConstant); | 
| 188 | simpleLat->setLatticeConstant(lc); | 
| 189 |  | 
| 190 | //calculate the total number of molecules | 
| 191 | int totMol = nx * ny * nz * numMolPerCell; | 
| 192 |  | 
| 193 | // Calculate the lattice sites and fill lattice vector. | 
| 194 | vector<Vector3d> latticeSites; | 
| 195 |  | 
| 196 | for(int i = 0; i < nx; i++) { | 
| 197 | for(int j = 0; j < ny; j++) { | 
| 198 | for(int k = 0; k < nz; k++) { | 
| 199 |  | 
| 200 | //get the position of the cell sites | 
| 201 | simpleLat->getLatticePointsPos(latticePos, i, j, k); | 
| 202 |  | 
| 203 | for(int l = 0; l < numMolPerCell; l++) { | 
| 204 | latticeSites.push_back(latticePos[l]); | 
| 205 | } | 
| 206 | } | 
| 207 | } | 
| 208 | } | 
| 209 |  | 
| 210 | int numSites = latticeSites.size(); | 
| 211 |  | 
| 212 | numMol = new int[nComponents]; | 
| 213 | if (nComponents != args_info.molFraction_given && nComponents != 1){ | 
| 214 | std::cerr << "Number of components does not equal molFraction occurances." << std::endl; | 
| 215 | exit(1); | 
| 216 | } | 
| 217 | int totComponents = 0; | 
| 218 | for (int i = 0;i<nComponents-1;i++){ /* Figure out Percent for each component */ | 
| 219 | numMol[i] = int((RealType)numSites * args_info.molFraction_arg[i]); | 
| 220 | std::cout<<numMol[i]<<std::endl; | 
| 221 | totComponents += numMol[i]; | 
| 222 | } | 
| 223 | numMol[nComponents-1] = numSites - totComponents; | 
| 224 |  | 
| 225 |  | 
| 226 | outPrefix = getPrefix(inputFileName.c_str()) + "_" + latticeType; | 
| 227 | outMdFileName = outPrefix + ".md"; | 
| 228 |  | 
| 229 | //creat new .md file on fly which corrects the number of molecule | 
| 230 | createMdFile(inputFileName, outMdFileName, nComponents, numMol); | 
| 231 |  | 
| 232 | //fill Hmat | 
| 233 | hmat(0, 0)= nx * latticeConstant; | 
| 234 | hmat(0, 1) = 0.0; | 
| 235 | hmat(0, 2) = 0.0; | 
| 236 |  | 
| 237 | hmat(1, 0) = 0.0; | 
| 238 | hmat(1, 1) = ny * latticeConstant; | 
| 239 | hmat(1, 2) = 0.0; | 
| 240 |  | 
| 241 | hmat(2, 0) = 0.0; | 
| 242 | hmat(2, 1) = 0.0; | 
| 243 | hmat(2, 2) = nz * latticeConstant; | 
| 244 |  | 
| 245 | //set Hmat | 
| 246 | oldInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat); | 
| 247 |  | 
| 248 | //place the molecules | 
| 249 |  | 
| 250 | curMolIndex = 0; | 
| 251 |  | 
| 252 | //get the orientation of the cell sites | 
| 253 | //for the same type of molecule in same lattice, it will not change | 
| 254 | latticeOrt = simpleLat->getLatticePointsOrt(); | 
| 255 |  | 
| 256 |  | 
| 257 | /* Randomize position vector */ | 
| 258 | std::random_shuffle(latticeSites.begin(), latticeSites.end()); | 
| 259 |  | 
| 260 | if (oldInfo != NULL) | 
| 261 | delete oldInfo; | 
| 262 |  | 
| 263 | // We need to read in new siminfo object. | 
| 264 | // parse md file and set up the system | 
| 265 |  | 
| 266 | SimCreator newCreator; | 
| 267 | SimInfo* newInfo = newCreator.createSim(outMdFileName, false); | 
| 268 |  | 
| 269 | /* create Molocators */ | 
| 270 | locator = new MoLocator(newInfo->getMoleculeStamp(0), newInfo->getForceField()); | 
| 271 |  | 
| 272 |  | 
| 273 |  | 
| 274 | Molecule* mol; | 
| 275 | SimInfo::MoleculeIterator mi; | 
| 276 | mol = newInfo->beginMolecule(mi); | 
| 277 | int l = 0; | 
| 278 | for (mol = newInfo->beginMolecule(mi); mol != NULL; mol = newInfo->nextMolecule(mi)) { | 
| 279 | locator->placeMol(latticeSites[l], latticeOrt[l], mol); | 
| 280 | l++; | 
| 281 | } | 
| 282 |  | 
| 283 | //create dumpwriter and write out the coordinates | 
| 284 | newInfo->setFinalConfigFileName(outMdFileName); | 
| 285 | writer = new DumpWriter(newInfo); | 
| 286 |  | 
| 287 | if (writer == NULL) { | 
| 288 | std::cerr << "error in creating DumpWriter" << std::endl; | 
| 289 | exit(1); | 
| 290 | } | 
| 291 |  | 
| 292 | writer->writeEor(); | 
| 293 | std::cout << "new OOPSE MD file: " << outMdFileName | 
| 294 | << " has been generated." << std::endl; | 
| 295 | return 0; | 
| 296 | } | 
| 297 |  | 
| 298 | void createMdFile(const std::string&oldMdFileName, const std::string&newMdFileName, | 
| 299 | int components,int* numMol) { | 
| 300 | ifstream oldMdFile; | 
| 301 | ofstream newMdFile; | 
| 302 | const int MAXLEN = 65535; | 
| 303 | char buffer[MAXLEN]; | 
| 304 |  | 
| 305 | //create new .md file based on old .md file | 
| 306 | oldMdFile.open(oldMdFileName.c_str()); | 
| 307 | newMdFile.open(newMdFileName.c_str()); | 
| 308 |  | 
| 309 | oldMdFile.getline(buffer, MAXLEN); | 
| 310 |  | 
| 311 | int i = 0; | 
| 312 | while (!oldMdFile.eof()) { | 
| 313 |  | 
| 314 | //correct molecule number | 
| 315 | if (strstr(buffer, "nMol") != NULL) { | 
| 316 | if(i<components){ | 
| 317 | sprintf(buffer, "\tnMol = %i;", numMol[i]); | 
| 318 | newMdFile << buffer << std::endl; | 
| 319 | i++; | 
| 320 | } | 
| 321 | } else | 
| 322 | newMdFile << buffer << std::endl; | 
| 323 |  | 
| 324 | oldMdFile.getline(buffer, MAXLEN); | 
| 325 | } | 
| 326 |  | 
| 327 | oldMdFile.close(); | 
| 328 | newMdFile.close(); | 
| 329 | } | 
| 330 |  |