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 ** 00020 ** 00021 ** Created: 2012-04-16 00022 ** Authors: 00023 ** Marc Wathelet (ISTerre, Grenoble, France) 00024 ** 00025 ***************************************************************************/ 00026 00027 #ifndef SEGMENT_H 00028 #define SEGMENT_H 00029 00030 #include "Point.h" 00031 #include "Parallelepiped.h" 00032 #include "QGpCoreToolsDLLExport.h" 00033 00034 namespace QGpCoreTools { 00035 00036 class QGPCORETOOLS_EXPORT Segment 00037 { 00038 public: 00039 Segment() {} 00040 Segment(const Point& p1, const Point& p2) {set(p1,p2);} 00041 Segment(double x1, double y1, double z1, 00042 double x2, double y2, double z2) {set(x1, y1, z1, 00043 x2, y2, z2);} 00044 Segment(const Segment& o); 00045 00046 enum RelativePosition {Skew, Crossing, Parallel, Aligned, 00047 Continuous, SmallOverlap, StrongOverlap}; 00048 bool intersects(const Segment& seg, Point& p) const; 00049 QVector<Segment> distanceTo(const Segment& seg, RelativePosition& relPos) const; 00050 00051 Point point(int index) const {return _point[index];} 00052 void set(const Point& p1, const Point& p2); 00053 void set(double x1, double y1, double z1, 00054 double x2, double y2, double z2); 00055 bool includes(const Point& p, double precision=1e-10) const; 00056 double length() const {return _point[0].distanceTo(_point[1]);} 00057 Point directionVector() const; 00058 bool parallelTo(const Segment& o) const; 00059 00060 bool isSimilar(const Segment& o, double precision) const; 00061 bool operator<(const Segment& o) const; 00062 private: 00063 inline Segment linkSegment(double sc, double tc, 00064 Point p, const Point& u, 00065 Point q, const Point& v) const; 00066 00067 00068 Point _point[2]; 00069 Parallelepiped _limits; 00070 }; 00071 00072 } // namespace QGpCoreTools 00073 00074 #endif // SEGMENT_H
