OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenMesh is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 448 $ * 00038 * $Date: 2011-11-04 13:59:37 +0100 (Fri, 04 Nov 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00045 //============================================================================= 00046 // 00047 // CLASS ModHausdorffT 00048 // 00049 //============================================================================= 00050 00051 #ifndef OPENMESH_DECIMATER_MODHAUSDORFFT_HH 00052 #define OPENMESH_DECIMATER_MODHAUSDORFFT_HH 00053 00054 //== INCLUDES ================================================================= 00055 00056 #include <OpenMesh/Tools/Decimater/ModBaseT.hh> 00057 #include <OpenMesh/Core/Utils/Property.hh> 00058 #include <vector> 00059 #include <float.h> 00060 00061 //== NAMESPACES =============================================================== 00062 00063 namespace OpenMesh { 00064 namespace Decimater { 00065 00066 //== CLASS DEFINITION ========================================================= 00067 00077 template<class DecimaterT> 00078 class ModHausdorffT: public ModBaseT<DecimaterT> { 00079 public: 00080 00081 DECIMATING_MODULE( ModHausdorffT, DecimaterT, Roundness ); 00082 00083 typedef typename Mesh::Scalar Scalar; 00084 typedef typename Mesh::Point Point; 00085 typedef typename Mesh::FaceHandle FaceHandle; 00086 typedef std::vector<Point> Points; 00087 00089 ModHausdorffT(DecimaterT& _dec, Scalar _error_tolerance = FLT_MAX) : 00090 Base(_dec, true), mesh_(Base::mesh()), tolerance_(_error_tolerance) { 00091 mesh_.add_property(points_); 00092 } 00093 00095 ~ModHausdorffT() { 00096 mesh_.remove_property(points_); 00097 } 00098 00100 Scalar tolerance() const { 00101 return tolerance_; 00102 } 00103 00105 void set_tolerance(Scalar _e) { 00106 tolerance_ = _e; 00107 } 00108 00110 virtual void initialize(); 00111 00122 virtual float collapse_priority(const CollapseInfo& _ci); 00123 00125 virtual void postprocess_collapse(const CollapseInfo& _ci); 00126 00127 private: 00128 00130 Scalar distPointTriangleSquared(const Point& _p, const Point& _v0, 00131 const Point& _v1, const Point& _v2, Point& _nearestPoint); 00132 00134 Scalar compute_sqr_error(FaceHandle _fh, const Point& _p) const; 00135 00136 private: 00137 00138 Mesh& mesh_; 00139 Scalar tolerance_; 00140 00141 OpenMesh::FPropHandleT<Points> points_; 00142 }; 00143 00144 //============================================================================= 00145 }// END_NS_DECIMATER 00146 } // END_NS_OPENMESH 00147 //============================================================================= 00148 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C) 00149 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES 00150 #include "ModHausdorffT.cc" 00151 #endif 00152 //============================================================================= 00153 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined 00154 //============================================================================= 00155