| 1 | chuckv | 1181 | /* 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 |  |  | *  NanoVolume.cpp | 
| 42 |  |  | * | 
| 43 |  |  | *  Purpose: To calculate convexhull, hull volume and radius | 
| 44 |  |  | *  using the CGAL library. | 
| 45 |  |  | * | 
| 46 |  |  | *  Created by Charles F. Vardeman II on 14 Dec 2006. | 
| 47 |  |  | *  @author  Charles F. Vardeman II | 
| 48 |  |  | *  @version $Id: NanoVolume.cpp,v 1.1 2007-09-17 20:11:47 chuckv Exp $ | 
| 49 |  |  | * | 
| 50 |  |  | */ | 
| 51 |  |  |  | 
| 52 |  |  | #include "applications/staticProps/NanoVolume.hpp" | 
| 53 |  |  | #include "math/ConvexHull.hpp" | 
| 54 |  |  | #include "utils/simError.h" | 
| 55 |  |  | #include "io/DumpReader.hpp" | 
| 56 |  |  | #include "primitives/Molecule.hpp" | 
| 57 |  |  | #include "utils/NumericConstant.hpp" | 
| 58 |  |  |  | 
| 59 |  |  | using namespace oopse; | 
| 60 |  |  |  | 
| 61 |  |  | NanoVolume::NanoVolume(SimInfo* info, | 
| 62 |  |  | const std::string& filename, | 
| 63 |  |  | const std::string& sele) | 
| 64 |  |  | : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info) { | 
| 65 |  |  | setOutputName(getPrefix(filename) + ".off"); | 
| 66 |  |  |  | 
| 67 |  |  | evaluator_.loadScriptString(sele); | 
| 68 |  |  | if (!evaluator_.isDynamic()) { | 
| 69 |  |  | seleMan_.setSelectionSet(evaluator_.evaluate()); | 
| 70 |  |  | } | 
| 71 |  |  | } | 
| 72 |  |  |  | 
| 73 |  |  | void NanoVolume::process() { | 
| 74 |  |  |  | 
| 75 |  |  | Molecule* mol; | 
| 76 |  |  | Atom* atom; | 
| 77 |  |  | RigidBody* rb; | 
| 78 |  |  | int myIndex; | 
| 79 |  |  | SimInfo::MoleculeIterator mi; | 
| 80 |  |  | Molecule::RigidBodyIterator rbIter; | 
| 81 |  |  | Molecule::AtomIterator ai; | 
| 82 |  |  | StuntDouble* sd; | 
| 83 |  |  | Vector3d vec; | 
| 84 |  |  | int i,j; | 
| 85 |  |  |  | 
| 86 |  |  | ConvexHull* hull = new ConvexHull(); | 
| 87 |  |  |  | 
| 88 |  |  | DumpReader reader(info_, dumpFilename_); | 
| 89 |  |  | int nFrames = reader.getNFrames(); | 
| 90 |  |  | frameCounter_ = 0; | 
| 91 |  |  |  | 
| 92 |  |  | pos_.reserve(info_->getNGlobalAtoms()); | 
| 93 |  |  |  | 
| 94 |  |  | for (int istep = 0; istep < nFrames; istep += step_) { | 
| 95 |  |  | reader.readFrame(istep); | 
| 96 |  |  | frameCounter_++; | 
| 97 |  |  | currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot(); | 
| 98 |  |  |  | 
| 99 |  |  | // Clear pos vector between each frame. | 
| 100 |  |  | pos_.clear(); | 
| 101 |  |  |  | 
| 102 |  |  | if (evaluator_.isDynamic()) { | 
| 103 |  |  | seleMan_.setSelectionSet(evaluator_.evaluate()); | 
| 104 |  |  | } | 
| 105 |  |  |  | 
| 106 |  |  | // update the positions of atoms which belong to the rigidbodies | 
| 107 |  |  |  | 
| 108 |  |  | for (mol = info_->beginMolecule(mi); mol != NULL; | 
| 109 |  |  | mol = info_->nextMolecule(mi)) { | 
| 110 |  |  | for (rb = mol->beginRigidBody(rbIter); rb != NULL; | 
| 111 |  |  | rb = mol->nextRigidBody(rbIter)) { | 
| 112 |  |  | rb->updateAtoms(); | 
| 113 |  |  | } | 
| 114 |  |  | } | 
| 115 |  |  |  | 
| 116 |  |  | // outer loop is over the selected StuntDoubles: | 
| 117 |  |  |  | 
| 118 |  |  | for (sd = seleMan_.beginSelected(i); sd != NULL; | 
| 119 |  |  | sd = seleMan_.nextSelected(i)) { | 
| 120 |  |  |  | 
| 121 |  |  | pos_.push_back(sd->getPos()); | 
| 122 |  |  | myIndex = sd->getGlobalIndex(); | 
| 123 |  |  |  | 
| 124 |  |  | } | 
| 125 |  |  | // Generate convex hull for this frame. | 
| 126 |  |  | hull->genHull(pos_); | 
| 127 |  |  | // RealType hullVolume = hull->getVolume(); | 
| 128 |  |  | //std::cout <<"The volume for this hull is: "<< hullVolume << std::endl; | 
| 129 |  |  |  | 
| 130 |  |  | } | 
| 131 |  |  | } |