00001 /**************************************************************************** 00002 00003 This file is part of the GLC-lib library. 00004 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net) 00005 Version 2.0.0 Beta 1, packaged on April 2010. 00006 00007 http://glc-lib.sourceforge.net 00008 00009 GLC-lib is free software; you can redistribute it and/or modify 00010 it under the terms of the GNU General Public License as published by 00011 the Free Software Foundation; either version 2 of the License, or 00012 (at your option) any later version. 00013 00014 GLC-lib is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with GLC-lib; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 *****************************************************************************/ 00025 00026 #ifndef GLC_PLANE_H_ 00027 #define GLC_PLANE_H_ 00028 00029 #include "glc_vector3d.h" 00030 00031 #include "../glc_config.h" 00032 00035 00038 00039 class GLC_LIB_EXPORT GLC_Plane 00040 { 00042 00044 00045 public: 00047 GLC_Plane(); 00048 00050 00051 GLC_Plane(double A, double B, double C, double D); 00052 00054 GLC_Plane(const GLC_Vector3d& normal, double minimumDistance); 00055 00057 GLC_Plane(const GLC_Vector3d& normal, const GLC_Point3d& point); 00058 00060 00061 GLC_Plane(const GLC_Point3d&, const GLC_Point3d&, const GLC_Point3d&); 00062 00064 GLC_Plane(const GLC_Plane&); 00065 00067 GLC_Plane &operator=(const GLC_Plane&); 00068 00070 ~GLC_Plane(); 00072 00074 00076 00077 public: 00078 00080 inline double coefA() const 00081 {return m_Eq[0];} 00082 00084 inline double coefB() const 00085 {return m_Eq[1];} 00086 00088 inline double coefC() const 00089 {return m_Eq[2];} 00090 00092 inline double coefD() const 00093 {return m_Eq[3];} 00094 00096 inline double distanceToPoint(const GLC_Point3d& p) const 00097 {return m_Eq[0] * p.x() + m_Eq[1] * p.y() + m_Eq[2] * p.z() + m_Eq[3];} 00098 00100 bool operator==(GLC_Plane) const; 00101 00103 inline bool operator!=(const GLC_Plane& p) const 00104 {return !operator==(p);} 00105 00107 inline GLC_Vector3d normal() const 00108 {return GLC_Vector3d(m_Eq[0], m_Eq[1], m_Eq[2]);} 00109 00111 inline bool lieOnThisPlane(const GLC_Point3d& p) 00112 {return (m_Eq[0] * p.x() + m_Eq[1] * p.y() + m_Eq[2] * p.z() + m_Eq[3]) == 0.0f;} 00113 00115 const double* data() const 00116 {return m_Eq;} 00117 00119 QString toString() const; 00121 00123 00125 00126 public: 00128 inline void setA(double a) 00129 {m_Eq[0]= a;} 00130 00132 inline void setB(double b) 00133 {m_Eq[1]= b;} 00134 00136 inline void setC(double c) 00137 {m_Eq[2]= c;} 00138 00140 inline void setD(double d) 00141 {m_Eq[3]= d;} 00142 00144 void normalize(); 00145 00147 GLC_Plane& setPlane(const GLC_Vector3d& normal, const GLC_Point3d& point); 00148 00149 00151 00153 // Private Member 00155 private: 00157 double m_Eq[4]; 00158 }; 00159 00160 #endif /* GLC_PLANE_H_ */