| 1 | /* Copyright (c) 2008 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 | *  ConvexHull.hpp | 
| 42 | * | 
| 43 | *  Purpose: To calculate convexhull, hull volume using the QuickHull algorithm provided by QHull. | 
| 44 | * | 
| 45 | *  Created by Charles F. Vardeman II on 11 Dec 2006. | 
| 46 | *  @author  Charles F. Vardeman II | 
| 47 | *  @version $Id: ConvexHull.hpp,v 1.11 2008-09-17 00:45:42 chuckv Exp $ | 
| 48 | * | 
| 49 | */ | 
| 50 |  | 
| 51 | #ifndef MATH_CONVEXHULL_HPP_ | 
| 52 | #define MATH_CONVEXHULL_HPP_ | 
| 53 |  | 
| 54 | #include "math/Vector3.hpp" | 
| 55 | #include "config.h" | 
| 56 | #include "math/Hull.hpp" | 
| 57 | #include "math/Triangle.hpp" | 
| 58 |  | 
| 59 | #include <cassert> | 
| 60 | #include <vector> | 
| 61 | #include <string> | 
| 62 | extern "C" | 
| 63 | { | 
| 64 | #if defined(HAVE_QHULL) | 
| 65 | #include "qhull/qhull.h" | 
| 66 | #include "qhull/mem.h" | 
| 67 | #include "qhull/qset.h" | 
| 68 | #include "qhull/geom.h" | 
| 69 | #include "qhull/merge.h" | 
| 70 | #include "qhull/poly.h" | 
| 71 | #include "qhull/io.h" | 
| 72 | #include "qhull/stat.h" | 
| 73 | #endif | 
| 74 | } | 
| 75 | #ifdef IS_MPI | 
| 76 | #include <mpi.h> | 
| 77 | #endif | 
| 78 |  | 
| 79 |  | 
| 80 | namespace oopse { | 
| 81 | class ConvexHull : public Hull { | 
| 82 | public: | 
| 83 | ConvexHull(); | 
| 84 |  | 
| 85 | virtual ~ConvexHull(){}; | 
| 86 | void computeHull(std::vector<StuntDouble*> bodydoubles); | 
| 87 | RealType getArea(){return area_;} //Total area of Hull | 
| 88 | int getNs(){return Ns_;}  //Number of Surface Atoms | 
| 89 | RealType getVolume(){return volume_;} //Total Volume inclosed by Hull | 
| 90 | std::vector< StuntDouble* > getSurfaceAtoms(){return surfaceSDs_;} //Returns a list of surface atoms | 
| 91 | std::vector<Triangle* > getMesh(){return Triangles_;} | 
| 92 | void printHull(const std::string& geomFileName); | 
| 93 | protected: | 
| 94 | double volume_; | 
| 95 | double area_; | 
| 96 | int dim_; | 
| 97 | int Ns_; | 
| 98 | std::vector< StuntDouble* > surfaceSDs_; | 
| 99 | const std::string options_; | 
| 100 | private: | 
| 101 | std::vector<Triangle*> Triangles_; | 
| 102 |  | 
| 103 | #ifdef IS_MPI | 
| 104 | int* NstoProc_; | 
| 105 | int* displs_; | 
| 106 | int Nsglobal_; | 
| 107 | int nproc_; | 
| 108 | int myrank_; | 
| 109 | struct surfacePt_{ | 
| 110 | double x,y,z; | 
| 111 | }; | 
| 112 |  | 
| 113 | MPI::Datatype surfacePtType; | 
| 114 | std::vector<surfacePt_> surfacePtsLocal_; | 
| 115 | std::vector<surfacePt_> surfacePtsGlobal_; | 
| 116 | #endif | 
| 117 |  | 
| 118 | }; | 
| 119 | } | 
| 120 |  | 
| 121 | #endif /*MATH_CONVEXHULL_HPP_*/ |