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/* Copyright (c) 2008, 2009 The University of Notre Dame. All Rights Reserved. |
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/* Copyright (c) 2008, 2009, 2010 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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* 1. 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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* 2. 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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* 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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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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* |
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* |
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* ConvexHull.cpp |
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* |
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* Purpose: To calculate convexhull, hull volume libqhull. |
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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.cpp,v 1.20 2009-10-22 19:43:10 gezelter Exp $ |
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* @version $Id: ConvexHull.cpp,v 1.21 2009-11-25 20:02:01 gezelter Exp $ |
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* |
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*/ |
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#include <mpi.h> |
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#endif |
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using namespace oopse; |
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using namespace OpenMD; |
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#ifdef HAVE_QHULL |
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extern "C" |
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facetT *facet; |
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setT *vertices; |
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int curlong, totlong; |
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pointT *intPoint; |
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std::vector<double> ptArray(numpoints*dim_); |
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} //qh_new_qhull |
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#endif |
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intPoint = qh interior_point; |
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RealType calcvol = 0.0; |
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FORALLfacets { |
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Triangle face; |
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//Qhull sets the unit normal in facet->normal |
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Vector3d V3dNormal(facet->normal[0], facet->normal[1], facet->normal[2]); |
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face.setNormal(V3dNormal); |
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face.setUnitNormal(V3dNormal); |
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RealType faceArea = qh_facetarea(facet); |
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face.setArea(faceArea); |
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p[ver][0] = vertex->point[0]; |
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p[ver][1] = vertex->point[1]; |
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p[ver][2] = vertex->point[2]; |
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Vector3d vel; |
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RealType mass; |
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int localID = id - displacements[myrank]; |
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if (localID >= 0 && localID < hullSitesOnProc[myrank]) |
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if (localID >= 0 && localID < hullSitesOnProc[myrank]){ |
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face.addVertexSD(bodydoubles[indexMap[localID]]); |
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}else{ |
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face.addVertexSD(NULL); |
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} |
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#else |
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vel = bodydoubles[id]->getVel(); |
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mass = bodydoubles[id]->getMass(); |
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face.addVertexSD(bodydoubles[id]); |
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#endif |
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faceVel = faceVel + vel; |
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face.addVertices(p[0], p[1], p[2]); |
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face.setFacetMass(faceMass); |
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face.setFacetVelocity(faceVel/3.0); |
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/* |
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RealType comparea = face.computeArea(); |
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realT calcarea = qh_facetarea (facet); |
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Vector3d V3dCompNorm = -face.computeUnitNormal(); |
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RealType thisOffset = ((0.0-p[0][0])*V3dCompNorm[0] + (0.0-p[0][1])*V3dCompNorm[1] + (0.0-p[0][2])*V3dCompNorm[2]); |
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RealType dist = facet->offset + intPoint[0]*V3dNormal[0] + intPoint[1]*V3dNormal[1] + intPoint[2]*V3dNormal[2]; |
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std::cout << "facet offset and computed offset: " << facet->offset << " " << thisOffset << std::endl; |
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calcvol += -dist*comparea/qh hull_dim; |
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*/ |
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Triangles_.push_back(face); |
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qh_settempfree(&vertices); |
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qh_getarea(qh facet_list); |
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volume_ = qh totvol; |
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area_ = qh totarea; |
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// std::cout << "My volume is: " << calcvol << " qhull volume is:" << volume_ << std::endl; |
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qh_freeqhull(!qh_ALL); |
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qh_memfreeshort(&curlong, &totlong); |
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if (curlong || totlong) |
