00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created: 2010-06-07 00022 ** Authors: 00023 ** Marc Wathelet (LGIT, Grenoble, France) 00024 ** 00025 ***************************************************************************/ 00026 00027 #ifndef PLANE_H 00028 #define PLANE_H 00029 00030 #include "QGpCoreToolsDLLExport.h" 00031 #include "Point.h" 00032 #include "Translations.h" 00033 #include "Global.h" 00034 00035 namespace QGpCoreTools { 00036 00037 class QGPCORETOOLS_EXPORT Plane 00038 { 00039 TRANSLATIONS("Plane"); 00040 public: 00041 Plane() {_d=0.0;} 00042 Plane(const Point& normal, const Point& reference); 00043 Plane(const Plane& o); 00044 00045 void setReference(int index, const Point& p) {ASSERT(index<3); _references[index]=p;} 00046 00047 void setZ(int index, double z) {ASSERT(index<3); _references[index].setZ(z);} 00048 00049 bool setNormalVector(); 00050 void setNormalVectorXY(); 00051 00052 inline double z(const Point& at); 00053 private: 00054 inline double d(); 00055 00056 Point _references[3]; 00057 Point _directionalVector[2]; 00058 Point _normalVector; 00059 double _d; 00060 }; 00061 00062 double Plane::z(const Point& at) 00063 { 00064 TRACE; 00065 return (_d-_normalVector.x()*at.x()-_normalVector.y()*at.y())/_normalVector.z(); 00066 } 00067 00068 } // namespace QGpCoreTools 00069 00070 #endif // PLANE_H
