| 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 "applications/staticProps/SCDOrderParameter.hpp" | 
| 43 | #include "utils/simError.h" | 
| 44 | #include "io/DumpReader.hpp" | 
| 45 | #include "primitives/Molecule.hpp" | 
| 46 | #include "utils/NumericConstant.hpp" | 
| 47 | namespace oopse { | 
| 48 |  | 
| 49 | SCDElem::SCDElem(SimInfo* info, const std::string& sele1, const std::string& sele2, | 
| 50 | const std::string& sele3) : sele1_(sele1), sele2_(sele2), sele3_(sele3){ | 
| 51 | SelectionManager seleMan1_(info); | 
| 52 | SelectionManager seleMan2_(info); | 
| 53 | SelectionManager seleMan3_(info); | 
| 54 | SelectionEvaluator evaluator1_(info); | 
| 55 | SelectionEvaluator evaluator2_(info); | 
| 56 | SelectionEvaluator evaluator3_(info); | 
| 57 |  | 
| 58 | evaluator1_.loadScriptString(sele1_); | 
| 59 | evaluator2_.loadScriptString(sele2_); | 
| 60 | evaluator3_.loadScriptString(sele3_); | 
| 61 |  | 
| 62 | if (!evaluator1_.isDynamic()) { | 
| 63 | seleMan1_.setSelectionSet(evaluator1_.evaluate()); | 
| 64 | }else { | 
| 65 | sprintf( painCave.errMsg, | 
| 66 | "dynamic selection is not allowed\n"); | 
| 67 | painCave.severity = OOPSE_ERROR; | 
| 68 | painCave.isFatal = 1; | 
| 69 | simError(); | 
| 70 | } | 
| 71 |  | 
| 72 | if (!evaluator2_.isDynamic()) { | 
| 73 | seleMan2_.setSelectionSet(evaluator2_.evaluate()); | 
| 74 | }else { | 
| 75 | sprintf( painCave.errMsg, | 
| 76 | "dynamic selection is not allowed\n"); | 
| 77 | painCave.severity = OOPSE_ERROR; | 
| 78 | painCave.isFatal = 1; | 
| 79 | simError(); | 
| 80 | } | 
| 81 |  | 
| 82 | if (!evaluator3_.isDynamic()) { | 
| 83 | seleMan3_.setSelectionSet(evaluator3_.evaluate()); | 
| 84 | }else { | 
| 85 | sprintf( painCave.errMsg, | 
| 86 | "dynamic selection is not allowed\n"); | 
| 87 | painCave.severity = OOPSE_ERROR; | 
| 88 | painCave.isFatal = 1; | 
| 89 | simError(); | 
| 90 | } | 
| 91 |  | 
| 92 | int nselected1 = seleMan1_.getSelectionCount(); | 
| 93 | int nselected2 = seleMan2_.getSelectionCount(); | 
| 94 | int nselected3 = seleMan3_.getSelectionCount(); | 
| 95 |  | 
| 96 | if ( nselected1 != nselected2 || nselected1 != nselected3 ) { | 
| 97 | sprintf( painCave.errMsg, | 
| 98 | "The number of selected Stuntdoubles must be the same\n"); | 
| 99 | painCave.severity = OOPSE_ERROR; | 
| 100 | painCave.isFatal = 1; | 
| 101 | simError(); | 
| 102 | } | 
| 103 |  | 
| 104 | int i; | 
| 105 | int j; | 
| 106 | int k; | 
| 107 | StuntDouble* sd1; | 
| 108 | StuntDouble* sd2; | 
| 109 | StuntDouble* sd3; | 
| 110 | for (sd1 = seleMan1_.beginSelected(i), sd2 = seleMan2_.beginSelected(j), sd3 = seleMan3_.beginSelected(k); | 
| 111 | sd1 != NULL && sd2 != NULL && sd3 != NULL; | 
| 112 | sd1 = seleMan1_.nextSelected(i), sd2 = seleMan2_.nextSelected(j), sd3 = seleMan3_.nextSelected(k)) { | 
| 113 | tuples_.push_back(make_tuple3(sd1, sd2, sd3)); | 
| 114 | } | 
| 115 |  | 
| 116 | } | 
| 117 |  | 
| 118 | double SCDElem::calcSCD(Snapshot* snapshot) { | 
| 119 | std::vector<SDTuple3>::iterator i; | 
| 120 | Vector3d normal(0.0, 0.0, 1.0); | 
| 121 | double scd = 0.0; | 
| 122 | for (i = tuples_.begin(); i != tuples_.end(); ++i) { | 
| 123 | //Egberts B. and Berendsen H.J.C, J.Chem.Phys. 89(6), 3718-3732, 1988 | 
| 124 |  | 
| 125 | Vector3d zAxis =   i->third->getPos() - i->first->getPos(); | 
| 126 | snapshot->wrapVector(zAxis); | 
| 127 | Vector3d v12 =  i->second->getPos() - i->first->getPos(); | 
| 128 | snapshot->wrapVector(v12); | 
| 129 | Vector3d xAxis = cross(v12, zAxis); | 
| 130 | Vector3d yAxis = cross(zAxis, xAxis); | 
| 131 |  | 
| 132 | xAxis.normalize(); | 
| 133 | yAxis.normalize(); | 
| 134 | zAxis.normalize(); | 
| 135 | double cosThetaX = dot(xAxis, normal); | 
| 136 | double sxx = 0.5*(3*cosThetaX * cosThetaX - 1.0); | 
| 137 | double cosThetaY = dot(yAxis, normal); | 
| 138 | double syy = 0.5*(3*cosThetaY * cosThetaY - 1.0); | 
| 139 | scd += 2.0/3.0*sxx + 1.0/3.0*syy; | 
| 140 | } | 
| 141 | scd /= tuples_.size(); | 
| 142 | return scd; | 
| 143 |  | 
| 144 | } | 
| 145 |  | 
| 146 | SCDOrderParameter::SCDOrderParameter(SimInfo* info, const std::string& filename, | 
| 147 | const std::string& sele1, const std::string& sele2, const std::string& sele3) | 
| 148 | : StaticAnalyser(info, filename) { | 
| 149 |  | 
| 150 | setOutputName(getPrefix(filename) + ".scd"); | 
| 151 |  | 
| 152 | scdElems_.push_back(SCDElem(info, sele1, sele2, sele3)); | 
| 153 | scdParam_.resize(scdElems_.size()); | 
| 154 | std::fill(scdParam_.begin(), scdParam_.end(), 0.0); | 
| 155 |  | 
| 156 | } | 
| 157 |  | 
| 158 | SCDOrderParameter::SCDOrderParameter(SimInfo* info, const std::string& filename, | 
| 159 | const std::string& molname, int beginIndex, int endIndex) | 
| 160 | : StaticAnalyser(info, filename) { | 
| 161 |  | 
| 162 | setOutputName(getPrefix(filename) + ".scd"); | 
| 163 |  | 
| 164 | assert(beginIndex >=0 && endIndex >=0 && beginIndex <= endIndex - 2); | 
| 165 | for (int i = beginIndex; i <= endIndex -2 ; ++i) { | 
| 166 | std::string selectionTemplate = "select " + molname + "."; | 
| 167 | std::string sele1 = selectionTemplate + OOPSE_itoa(i); | 
| 168 | std::string sele2 = selectionTemplate + OOPSE_itoa(i+1); | 
| 169 | std::string sele3 = selectionTemplate + OOPSE_itoa(i+2); | 
| 170 |  | 
| 171 | scdElems_.push_back(SCDElem(info, sele1, sele2, sele3)); | 
| 172 | } | 
| 173 |  | 
| 174 | scdParam_.resize(scdElems_.size()); | 
| 175 | std::fill(scdParam_.begin(), scdParam_.end(), 0.0); | 
| 176 | } | 
| 177 |  | 
| 178 |  | 
| 179 | void SCDOrderParameter::process() { | 
| 180 | Molecule* mol; | 
| 181 | RigidBody* rb; | 
| 182 | SimInfo::MoleculeIterator mi; | 
| 183 | Molecule::RigidBodyIterator rbIter; | 
| 184 |  | 
| 185 | DumpReader reader(info_, dumpFilename_); | 
| 186 | int nFrames = reader.getNFrames(); | 
| 187 |  | 
| 188 | for (int i = 0; i < nFrames; i += step_) { | 
| 189 | reader.readFrame(i); | 
| 190 | currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot(); | 
| 191 |  | 
| 192 |  | 
| 193 | for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) { | 
| 194 | //change the positions of atoms which belong to the rigidbodies | 
| 195 | for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) { | 
| 196 | rb->updateAtoms(); | 
| 197 | } | 
| 198 |  | 
| 199 | } | 
| 200 |  | 
| 201 | for (std::size_t j = 0; j < scdElems_.size(); ++j) { | 
| 202 | scdParam_[j] += scdElems_[j].calcSCD(currentSnapshot_); | 
| 203 | } | 
| 204 |  | 
| 205 | } | 
| 206 |  | 
| 207 | int nProcessed = nFrames /step_; | 
| 208 | for (std::size_t j = 0; j < scdElems_.size(); ++j) { | 
| 209 | scdParam_[j] /= nProcessed; | 
| 210 | } | 
| 211 |  | 
| 212 | writeSCD(); | 
| 213 |  | 
| 214 | } | 
| 215 |  | 
| 216 | void SCDOrderParameter::writeSCD() { | 
| 217 |  | 
| 218 | std::ofstream os(getOutputFileName().c_str()); | 
| 219 | os << "#scd parameter\n"; | 
| 220 | for (std::size_t i = 0; i < scdElems_.size(); ++i) { | 
| 221 | os <<  "#[column " << i+1 << "]\t" | 
| 222 | <<  "sele1: \"" << scdElems_[i].getSelection1() << "\",\t" | 
| 223 | <<  "sele2: \"" << scdElems_[i].getSelection2() << "\",\t" | 
| 224 | <<  "sele3: \"" << scdElems_[i].getSelection3() << "\"\n"; | 
| 225 | } | 
| 226 |  | 
| 227 | for (std::size_t i = 0; i < scdElems_.size(); ++i) { | 
| 228 | os <<  scdParam_[i]<< "\t"; | 
| 229 | } | 
| 230 | os << std::endl; | 
| 231 | } | 
| 232 |  | 
| 233 |  | 
| 234 | } | 
| 235 |  | 
| 236 |  |