00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2010, LABUST, UNIZG-FER 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the LABUST nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 #include <labust/blueview/AssociatePolicy.hpp> 00035 00036 using namespace labust::blueview; 00037 00038 bool DirectAssociate::associate(const TrackedFeatureVecPtr features, const SonarHead& head, 00039 TrackedFeature* const tracklet, TrackedFeature* const target) 00040 { 00041 int idx = -1; 00042 double mindiff = 10000; 00043 00044 bool hasTarget(target!=0); 00045 00046 for (size_t i=0;i<features->size();++i) 00047 { 00048 TrackedFeature& tfeature = (*features)[i]; 00049 00050 /*double tt_distance(0); 00051 if (hasTarget) 00052 { 00053 double tt_dx = tfeature.pposition.x - target->pposition.x; 00054 double tt_dy = tfeature.pposition.y - target->pposition.y; 00055 tt_distance = sqrt(tt_dx*tt_dx + tt_dy*tt_dy); 00056 } 00057 else 00058 { 00059 tt_distance = 100; 00060 } 00061 */ 00062 00063 double dx = (tfeature.pposition.x) - tracklet->pposition.x; 00064 double dy = (tfeature.pposition.y) - tracklet->pposition.y; 00065 double distance = sqrt(dx*dx + dy*dy); 00066 00067 /*if (tt_distance > distance) 00068 { 00069 if (hasTarget) std::cout<<"Distance to target:"<<tt_distance*head.resolution<<std::endl;*/ 00070 00071 if (distance<mindiff) 00072 { 00073 mindiff = distance; 00074 idx = i; 00075 } 00076 /*} 00077 else 00078 { 00079 std::cout<<"Skipped target."<<std::endl; 00080 } 00081 */ 00082 } 00083 00084 if (idx != -1) 00085 { 00086 tracklet->pposition = (*features)[idx].pposition; 00087 return true; 00088 } 00089 00090 return false; 00091 }; 00092 00093 00094 00095 00096