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/* Copyright (c) 2008 The University of Notre Dame. All Rights Reserved. |
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/* Copyright (c) 2008, 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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* Triangle.cpp |
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* |
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* Purpose: Provide basic triangle object for OOPSE |
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* Purpose: Provide basic triangle object for OpenMD |
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* |
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* Created by Charles F. Vardeman II on 29 July 2008. |
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* @author Charles F. Vardeman II |
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* @version $Id: Triangle.cpp,v 1.3 2009-05-13 22:27:29 gezelter Exp $ |
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* @version $Id: Triangle.cpp,v 1.4 2009-11-25 20:02:01 gezelter Exp $ |
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* |
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*/ |
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#include "math/Triangle.hpp" |
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using namespace oopse; |
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using namespace OpenMD; |
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Triangle::Triangle() : HaveNormal_(false), HaveCentroid_(false), |
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Triangle::Triangle() : HaveNormal_(false), HaveUnitNormal_(false), HaveCentroid_(false), |
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HaveArea_(false), area_(0.0), normal_(V3Zero), |
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centroid_(V3Zero), facetVelocity_(V3Zero), mass_(0.0), |
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a_(V3Zero), b_(V3Zero), c_(V3Zero){ |
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area_ = getNormal().length() * 0.5; |
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return area_; |
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} |
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// This should return the normal for our calculations. |
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Vector3d Triangle::computeNormal(){ |
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HaveNormal_ = true; |
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normal_ = cross(a_,b_); |
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return normal_; |
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} |
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// This should return the normal for our calculations. |
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Vector3d Triangle::computeUnitNormal(){ |
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HaveUnitNormal_ = true; |
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unitnormal_ = cross(a_,b_); |
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unitnormal_.normalize(); |
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return unitnormal_; |
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} |
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Vector3d Triangle::computeCentroid(){ |
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HaveCentroid_ = true; |
