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/* Copyright (c) 2008 The University of Notre Dame. All Rights Reserved. | 
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 * | 
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 * The University of Notre Dame grants you ("Licensee") a | 
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 * non-exclusive, royalty free, license to use, modify and | 
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 * redistribute this software in source and binary code form, provided | 
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 * that the following conditions are met: | 
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 * | 
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 * 1. Acknowledgement of the program authors must be made in any | 
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 *    publication of scientific results based in part on use of the | 
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 *    program.  An acceptable form of acknowledgement is citation of | 
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 *    the article in which the program was described (Matthew | 
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 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
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 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
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 *    Parallel Simulation Engine for Molecular Dynamics," | 
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 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
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 * | 
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 * 2. Redistributions of source code must retain the above copyright | 
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 *    notice, this list of conditions and the following disclaimer. | 
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 * | 
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 * 3. Redistributions in binary form must reproduce the above copyright | 
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 *    notice, this list of conditions and the following disclaimer in the | 
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 *    documentation and/or other materials provided with the | 
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 *    distribution. | 
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 * | 
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 * This software is provided "AS IS," without a warranty of any | 
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 * kind. All express or implied conditions, representations and | 
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 * warranties, including any implied warranty of merchantability, | 
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 * fitness for a particular purpose or non-infringement, are hereby | 
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 * excluded.  The University of Notre Dame and its licensors shall not | 
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 * be liable for any damages suffered by licensee as a result of | 
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 * using, modifying or distributing the software or its | 
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 * derivatives. In no event will the University of Notre Dame or its | 
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 * licensors be liable for any lost revenue, profit or data, or for | 
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 * direct, indirect, special, consequential, incidental or punitive | 
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 * damages, however caused and regardless of the theory of liability, | 
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 * arising out of the use of or inability to use software, even if the | 
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 * University of Notre Dame has been advised of the possibility of | 
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 * such damages. | 
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 * | 
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 * | 
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 *  ConvexHull.hpp | 
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 * | 
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 *  Purpose: To calculate convexhull, hull volume using the QuickHull algorithm provided by QHull. | 
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 * | 
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 *  Created by Charles F. Vardeman II on 11 Dec 2006. | 
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 *  @author  Charles F. Vardeman II | 
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 *  @version $Id: ConvexHull.hpp,v 1.12 2008-10-07 17:12:48 chuckv Exp $ | 
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 * | 
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 */ | 
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 | 
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#ifndef MATH_CONVEXHULL_HPP_ | 
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#define MATH_CONVEXHULL_HPP_ | 
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 | 
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#include "math/Vector3.hpp" | 
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#include "config.h" | 
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#include "math/Hull.hpp" | 
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#include "math/Triangle.hpp" | 
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 | 
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#include <cassert> | 
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#include <vector> | 
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#include <string> | 
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extern "C" | 
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{ | 
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#if defined(HAVE_QHULL) | 
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#include "qhull/qhull.h" | 
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#include "qhull/mem.h" | 
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#include "qhull/qset.h" | 
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#include "qhull/geom.h" | 
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#include "qhull/merge.h" | 
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#include "qhull/poly.h" | 
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#include "qhull/io.h" | 
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#include "qhull/stat.h" | 
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#endif | 
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} | 
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#ifdef IS_MPI | 
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#include <mpi.h> | 
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#endif | 
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 | 
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 | 
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namespace oopse { | 
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  class ConvexHull : public Hull { | 
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  public: | 
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    ConvexHull(); | 
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 | 
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    virtual ~ConvexHull(){}; | 
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    void computeHull(std::vector<StuntDouble*> bodydoubles); | 
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    RealType getArea(){return area_;} //Total area of Hull | 
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    int getNs(){return Ns_;}  //Number of Surface Atoms | 
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    RealType getVolume(){return volume_;} //Total Volume inclosed by Hull | 
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    std::vector< StuntDouble* > getSurfaceAtoms(){return surfaceSDs_;} //Returns a list of surface atoms | 
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    std::vector<Triangle* > getMesh(){return Triangles_;} | 
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    void printHull(const std::string& geomFileName); | 
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  protected: | 
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    double volume_; | 
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    double area_; | 
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    int dim_; | 
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    int Ns_; | 
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    std::vector<StuntDouble*> surfaceSDs_; | 
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    const std::string options_; | 
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 | 
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    private: | 
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    std::vector<Triangle*> Triangles_; | 
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 | 
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#ifdef IS_MPI | 
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    int* NstoProc_; | 
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    int* displs_; | 
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    int Nsglobal_; | 
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    int nproc_; | 
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    int myrank_; | 
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    struct surfacePt_{ | 
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        double x,y,z; | 
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    }; | 
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 | 
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    MPI::Datatype surfacePtType; | 
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    std::vector<surfacePt_> surfacePtsLocal_; | 
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    std::vector<surfacePt_> surfacePtsGlobal_; | 
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#endif  | 
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 | 
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  }; | 
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} | 
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 | 
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#endif /*MATH_CONVEXHULL_HPP_*/ |