00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2010 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: 325 $ * 00038 * $Date: 2010-06-17 12:45:58 +0200 (Do, 17 Jun 2010) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 //============================================================================= 00043 // 00044 // CLASS Plane3D 00045 // 00046 //============================================================================= 00047 00048 00049 #ifndef OPENMESH_PLANE3D_HH 00050 #define OPENMESH_PLANE3D_HH 00051 00052 00053 //== INCLUDES ================================================================= 00054 00055 #include <OpenMesh/Core/Geometry/VectorT.hh> 00056 00057 00058 //== FORWARDDECLARATIONS ====================================================== 00059 00060 //== NAMESPACES =============================================================== 00061 00062 namespace OpenMesh { 00063 namespace VDPM { 00064 00065 //== CLASS DEFINITION ========================================================= 00066 00067 00074 class Plane3d 00075 { 00076 public: 00077 00078 typedef OpenMesh::Vec3f vector_type; 00079 typedef vector_type::value_type value_type; 00080 00081 public: 00082 00083 Plane3d() 00084 : d_(0) 00085 { } 00086 00087 Plane3d(const vector_type &_dir, const vector_type &_pnt) 00088 : n_(_dir), d_(0) 00089 { 00090 n_.normalize(); 00091 d_ = -dot(n_,_pnt); 00092 } 00093 00094 value_type signed_distance(const OpenMesh::Vec3f &_p) 00095 { 00096 return dot(n_ , _p) + d_; 00097 } 00098 00099 // back compatibility 00100 value_type singed_distance(const OpenMesh::Vec3f &point) 00101 { return signed_distance( point ); } 00102 00103 public: 00104 00105 vector_type n_; 00106 value_type d_; 00107 00108 }; 00109 00110 //============================================================================= 00111 } // namespace VDPM 00112 } // namespace OpenMesh 00113 //============================================================================= 00114 #endif // OPENMESH_PLANE3D_HH defined 00115 //=============================================================================