00001 // ***************************************************************************** 00002 // 00003 // Copyright (c) 2014, Southwest Research Institute® (SwRI®) 00004 // All rights reserved. 00005 // 00006 // Redistribution and use in source and binary forms, with or without 00007 // modification, are permitted provided that the following conditions are met: 00008 // * Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // * Redistributions in binary form must reproduce the above copyright 00011 // notice, this list of conditions and the following disclaimer in the 00012 // documentation and/or other materials provided with the distribution. 00013 // * Neither the name of Southwest Research Institute® (SwRI®) nor the 00014 // names of its contributors may be used to endorse or promote products 00015 // derived from this software without specific prior written permission. 00016 // 00017 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 // ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY 00021 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00022 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00023 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00024 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00026 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 // 00028 // ***************************************************************************** 00029 00030 #include <vector> 00031 #include <opencv2/core/core.hpp> 00032 00033 namespace swri_geometry_util 00034 { 00035 00047 bool LineIntersection( 00048 cv::Vec2d p1, 00049 cv::Vec2d p2, 00050 cv::Vec2d p3, 00051 cv::Vec2d p4, 00052 cv::Vec2d& c); 00053 00054 bool PolygonsIntersect( 00055 const std::vector<cv::Vec2d>& a, 00056 const std::vector<cv::Vec2d>& b); 00057 00058 double PolygonIntersectionArea( 00059 const std::vector<cv::Vec2d>& a, 00060 const std::vector<cv::Vec2d>& b); 00061 }