Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLMath/src/ICLMath/StraightLine2D.h ** 00010 ** Module : ICLMath ** 00011 ** Authors: Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLUtils/CompatMacros.h> 00034 #include <ICLUtils/Point32f.h> 00035 #include <ICLUtils/Exception.h> 00036 #include <ICLMath/FixedVector.h> 00037 00038 namespace icl{ 00039 namespace math{ 00040 00042 00048 struct ICLMath_API StraightLine2D{ 00050 typedef FixedColVector<float,2> PointPolar; 00051 00053 typedef FixedColVector<float,2> Pos; 00054 00056 StraightLine2D(float angle, float distance); 00057 00059 StraightLine2D(const Pos &o=Pos(0,0), const Pos &v=Pos(0,0)); 00060 00062 StraightLine2D(const utils::Point32f &o, const utils::Point32f &v); 00063 00065 Pos o; 00066 00068 Pos v; 00069 00071 float distance(const Pos &p) const; 00072 00074 /* result is positive if p is left of this->v 00075 and negative otherwise */ 00076 float signedDistance(const Pos &p) const; 00077 00079 inline float distance(const utils::Point32f &p) const { 00080 return distance(Pos(p.x,p.y)); 00081 } 00082 00084 /* result is positive if p is left of this->v 00085 and negative otherwise */ 00086 float signedDistance(const utils::Point32f &p) const { 00087 return signedDistance(Pos(p.x,p.y)); 00088 } 00089 00091 00092 Pos intersect(const StraightLine2D &o) const throw(utils::ICLException); 00093 00095 PointPolar getAngleAndDistance() const; 00096 00098 Pos getClosestPoint(const Pos &p) const; 00099 }; 00100 } // namespace math 00101 } 00102