| 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 <algorithm> | 
| 43 |  | 
| 44 | #include "RadialDistrFunc.hpp" | 
| 45 | #include "io/DumpReader.hpp" | 
| 46 | #include "primitives/Molecule.hpp" | 
| 47 | namespace oopse { | 
| 48 |  | 
| 49 | RadialDistrFunc::        RadialDistrFunc(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2) | 
| 50 | : info_(info), currentSnapshot_(NULL), dumpFilename_(filename), step_(1), | 
| 51 | selectionScript1_(sele1), selectionScript2_(sele2), evaluator1_(info), evaluator2_(info), seleMan1_(info), seleMan2_(info){ | 
| 52 |  | 
| 53 | evaluator1_.loadScriptString(sele1); | 
| 54 | evaluator2_.loadScriptString(sele2); | 
| 55 |  | 
| 56 | if (!evaluator1_.isDynamic()) { | 
| 57 | seleMan1_.setSelectionSet(evaluator1_.evaluate()); | 
| 58 | } | 
| 59 | if (!evaluator2_.isDynamic()) { | 
| 60 | seleMan2_.setSelectionSet(evaluator2_.evaluate()); | 
| 61 | } | 
| 62 |  | 
| 63 | if (!evaluator1_.isDynamic() && !evaluator2_.isDynamic()) { | 
| 64 | //if all selections are static,  we can precompute the number of real pairs | 
| 65 |  | 
| 66 | int nSelected1 = seleMan1_.getSelectionCount(); | 
| 67 | int nSelected2 = seleMan2_.getSelectionCount(); | 
| 68 |  | 
| 69 | BitSet bs = seleMan1_.getSelectionSet(); | 
| 70 | bs &= seleMan2_.getSelectionSet(); | 
| 71 | int nIntersect = bs.countBits(); | 
| 72 |  | 
| 73 | nRealPairs_ = nSelected1 * nSelected2 - (nIntersect +1) * nIntersect/2; | 
| 74 | } | 
| 75 |  | 
| 76 | } | 
| 77 |  | 
| 78 | void RadialDistrFunc::process() { | 
| 79 | Molecule* mol; | 
| 80 | RigidBody* rb; | 
| 81 | SimInfo::MoleculeIterator mi; | 
| 82 | Molecule::RigidBodyIterator rbIter; | 
| 83 |  | 
| 84 | preProcess(); | 
| 85 |  | 
| 86 | DumpReader reader(info_, dumpFilename_); | 
| 87 | int nFrames = reader.getNFrames(); | 
| 88 | nProcessed_ = nFrames / step_ + 1; | 
| 89 | for (int i = 0; i < nFrames; i += step_) { | 
| 90 | reader.readFrame(i); | 
| 91 | currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot(); | 
| 92 |  | 
| 93 | if (evaluator1_.isDynamic()) { | 
| 94 | seleMan1_.setSelectionSet(evaluator1_.evaluate()); | 
| 95 | } | 
| 96 | if (evaluator2_.isDynamic()) { | 
| 97 | seleMan2_.setSelectionSet(evaluator2_.evaluate()); | 
| 98 | } | 
| 99 |  | 
| 100 | for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) { | 
| 101 |  | 
| 102 | //change the positions of atoms which belong to the rigidbodies | 
| 103 | for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) { | 
| 104 | rb->updateAtoms(); | 
| 105 | } | 
| 106 | } | 
| 107 |  | 
| 108 | initalizeHistogram(); | 
| 109 |  | 
| 110 | StuntDouble* sd1; | 
| 111 | int j; | 
| 112 | for (sd1 = seleMan1_.beginSelected(j); sd1 != NULL; sd1 = seleMan1_.nextSelected(j)) { | 
| 113 |  | 
| 114 | StuntDouble* sd2; | 
| 115 | int k; | 
| 116 | for (sd2 = seleMan2_.beginSelected(k); sd2 != NULL; sd2 = seleMan2_.nextSelected(k)) { | 
| 117 | if (sd1 != sd2) { | 
| 118 | collectHistogram(sd1, sd2); | 
| 119 | } | 
| 120 | } | 
| 121 | } | 
| 122 |  | 
| 123 | processHistogram(); | 
| 124 |  | 
| 125 | } | 
| 126 |  | 
| 127 | postProcess(); | 
| 128 |  | 
| 129 | writeRdf(); | 
| 130 | } | 
| 131 |  | 
| 132 | int RadialDistrFunc::getNRealPairs() { | 
| 133 | if (evaluator1_.isDynamic() || evaluator2_.isDynamic()) { | 
| 134 | //if one of the selection is static,  need to recompute it | 
| 135 |  | 
| 136 | int nSelected1 = seleMan1_.getSelectionCount(); | 
| 137 | int nSelected2 = seleMan2_.getSelectionCount(); | 
| 138 |  | 
| 139 | BitSet bs = seleMan1_.getSelectionSet(); | 
| 140 | bs &= seleMan2_.getSelectionSet(); | 
| 141 | int nIntersect = bs.countBits(); | 
| 142 |  | 
| 143 | nRealPairs_ = nSelected1 * nSelected2 - (nIntersect +1) * nIntersect/2; | 
| 144 | } | 
| 145 |  | 
| 146 | return nRealPairs_; | 
| 147 | } | 
| 148 |  | 
| 149 | } |