| 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. Redistributions of source code must retain the above copyright | 
| 10 | *    notice, this list of conditions and the following disclaimer. | 
| 11 | * | 
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | *    notice, this list of conditions and the following disclaimer in the | 
| 14 | *    documentation and/or other materials provided with the | 
| 15 | *    distribution. | 
| 16 | * | 
| 17 | * This software is provided "AS IS," without a warranty of any | 
| 18 | * kind. All express or implied conditions, representations and | 
| 19 | * warranties, including any implied warranty of merchantability, | 
| 20 | * fitness for a particular purpose or non-infringement, are hereby | 
| 21 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 22 | * be liable for any damages suffered by licensee as a result of | 
| 23 | * using, modifying or distributing the software or its | 
| 24 | * derivatives. In no event will the University of Notre Dame or its | 
| 25 | * licensors be liable for any lost revenue, profit or data, or for | 
| 26 | * direct, indirect, special, consequential, incidental or punitive | 
| 27 | * damages, however caused and regardless of the theory of liability, | 
| 28 | * arising out of the use of or inability to use software, even if the | 
| 29 | * University of Notre Dame has been advised of the possibility of | 
| 30 | * such damages. | 
| 31 | * | 
| 32 | * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
| 33 | * research, please cite the appropriate papers when you publish your | 
| 34 | * work.  Good starting points are: | 
| 35 | * | 
| 36 | * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). | 
| 37 | * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). | 
| 38 | * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). | 
| 39 | * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | */ | 
| 42 |  | 
| 43 | #include <algorithm> | 
| 44 | #include <fstream> | 
| 45 | #include "applications/staticProps/GofAngle2.hpp" | 
| 46 | #include "utils/simError.h" | 
| 47 |  | 
| 48 | namespace OpenMD { | 
| 49 |  | 
| 50 | GofAngle2::GofAngle2(SimInfo* info, const std::string& filename, const std::string& sele1, | 
| 51 | const std::string& sele2, int nangleBins) | 
| 52 | : RadialDistrFunc(info, filename, sele1, sele2), nAngleBins_(nangleBins) { | 
| 53 |  | 
| 54 | setOutputName(getPrefix(filename) + ".gto"); | 
| 55 |  | 
| 56 | deltaCosAngle_ = 2.0 / nAngleBins_; | 
| 57 |  | 
| 58 | histogram_.resize(nAngleBins_); | 
| 59 | avgGofr_.resize(nAngleBins_); | 
| 60 | for (int i = 0 ; i < nAngleBins_; ++i) { | 
| 61 | histogram_[i].resize(nAngleBins_); | 
| 62 | avgGofr_[i].resize(nAngleBins_); | 
| 63 | } | 
| 64 |  | 
| 65 | } | 
| 66 |  | 
| 67 |  | 
| 68 | void GofAngle2::preProcess() { | 
| 69 |  | 
| 70 | for (unsigned int i = 0; i < avgGofr_.size(); ++i) { | 
| 71 | std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0); | 
| 72 | } | 
| 73 | } | 
| 74 |  | 
| 75 | void GofAngle2::initializeHistogram() { | 
| 76 | npairs_ = 0; | 
| 77 | for (unsigned int i = 0; i < histogram_.size(); ++i) | 
| 78 | std::fill(histogram_[i].begin(), histogram_[i].end(), 0); | 
| 79 | } | 
| 80 |  | 
| 81 |  | 
| 82 | void GofAngle2::processHistogram() { | 
| 83 |  | 
| 84 | //std::for_each(avgGofr_.begin(), avgGofr_.end(), std::plus<std::vector<int>>) | 
| 85 |  | 
| 86 | } | 
| 87 |  | 
| 88 | void GofAngle2::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) { | 
| 89 |  | 
| 90 | if (sd1 == sd2) { | 
| 91 | return; | 
| 92 | } | 
| 93 |  | 
| 94 | Vector3d pos1 = sd1->getPos(); | 
| 95 | Vector3d pos2 = sd2->getPos(); | 
| 96 | Vector3d r12 = pos1 - pos2; | 
| 97 | if (usePeriodicBoundaryConditions_) | 
| 98 | currentSnapshot_->wrapVector(r12); | 
| 99 | Vector3d dipole1 = sd1->getElectroFrame().getColumn(2); | 
| 100 | Vector3d dipole2 = sd2->getElectroFrame().getColumn(2); | 
| 101 |  | 
| 102 | r12.normalize(); | 
| 103 | dipole1.normalize(); | 
| 104 | dipole2.normalize(); | 
| 105 |  | 
| 106 |  | 
| 107 | RealType cosAngle1 = dot(r12, dipole1); | 
| 108 | RealType cosAngle2 = dot(dipole1, dipole2); | 
| 109 |  | 
| 110 | RealType halfBin = (nAngleBins_ - 1) * 0.5; | 
| 111 | int angleBin1 = int(halfBin * (cosAngle1 + 1.0)); | 
| 112 | int angleBin2 = int(halfBin * (cosAngle2 + 1.0)); | 
| 113 |  | 
| 114 | ++histogram_[angleBin1][angleBin2]; | 
| 115 | ++npairs_; | 
| 116 | } | 
| 117 |  | 
| 118 | void GofAngle2::writeRdf() { | 
| 119 | std::ofstream rdfStream(outputFilename_.c_str()); | 
| 120 | if (rdfStream.is_open()) { | 
| 121 | rdfStream << "#radial distribution function\n"; | 
| 122 | rdfStream << "#selection1: (" << selectionScript1_ << ")\t"; | 
| 123 | rdfStream << "selection2: (" << selectionScript2_ << ")\n"; | 
| 124 | rdfStream << "#nAngleBins =" << nAngleBins_ << "deltaCosAngle = " << deltaCosAngle_ << "\n"; | 
| 125 | for (unsigned int i = 0; i < avgGofr_.size(); ++i) { | 
| 126 | // RealType cosAngle1 = -1.0 + (i + 0.5)*deltaCosAngle_; | 
| 127 |  | 
| 128 | for(unsigned int j = 0; j < avgGofr_[i].size(); ++j) { | 
| 129 | // RealType cosAngle2 = -1.0 + (j + 0.5)*deltaCosAngle_; | 
| 130 | rdfStream <<avgGofr_[i][j]/nProcessed_ << "\t"; | 
| 131 | } | 
| 132 |  | 
| 133 | rdfStream << "\n"; | 
| 134 | } | 
| 135 |  | 
| 136 | } else { | 
| 137 |  | 
| 138 | sprintf(painCave.errMsg, "GofAngle2: unable to open %s\n", outputFilename_.c_str()); | 
| 139 | painCave.isFatal = 1; | 
| 140 | simError(); | 
| 141 | } | 
| 142 |  | 
| 143 | rdfStream.close(); | 
| 144 | } | 
| 145 |  | 
| 146 | } |