00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2013, Willow Garage, Inc. 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 Willow Garage 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 00035 /* Author: Ioan Sucan */ 00036 00037 #include <moveit/robot_model_loader/robot_model_loader.h> 00038 #include <moveit/robot_state/robot_state.h> 00039 #include <moveit/profiler/profiler.h> 00040 #include <ros/ros.h> 00041 00042 static const std::string ROBOT_DESCRIPTION = "robot_description"; 00043 00044 int main(int argc, char **argv) 00045 { 00046 ros::init(argc, argv, "inverse_kinematics_test"); 00047 00048 ros::AsyncSpinner spinner(1); 00049 spinner.start(); 00050 00051 if (argc <= 1) 00052 ROS_ERROR("An argument specifying the group name is needed"); 00053 else 00054 { 00055 robot_model_loader::RobotModelLoader rml(ROBOT_DESCRIPTION); 00056 std::string group = argv[1]; 00057 ROS_INFO_STREAM("Evaluating IK for " << group); 00058 00059 const robot_model::JointModelGroup *jmg = rml.getModel()->getJointModelGroup(group); 00060 if (jmg) 00061 { 00062 const kinematics::KinematicsBaseConstPtr &solver = jmg->getSolverInstance(); 00063 if (solver) 00064 { 00065 const std::string &tip = solver->getTipFrame(); 00066 robot_state::RobotState state(rml.getModel()); 00067 state.setToDefaultValues(); 00068 00069 ROS_INFO_STREAM("Tip Frame: " << solver->getTipFrame()); 00070 ROS_INFO_STREAM("Base Frame: " << solver->getBaseFrame()); 00071 ROS_INFO_STREAM("IK Timeout: " << solver->getDefaultTimeout()); 00072 ROS_INFO_STREAM("Search res: " << solver->getSearchDiscretization()); 00073 00074 unsigned int test_count = 1000; 00075 if (argc > 2) 00076 try 00077 { 00078 test_count = boost::lexical_cast<unsigned int>(argv[2]); 00079 } 00080 catch(...) 00081 { 00082 } 00083 00084 ROS_INFO("Running %u tests", test_count); 00085 00086 moveit::tools::Profiler::Start(); 00087 for (int i = 0 ; i < test_count ; ++i) 00088 { 00089 state.setToRandomPositions(jmg); 00090 Eigen::Affine3d pose = state.getGlobalLinkTransform(tip); 00091 state.setToRandomPositions(jmg); 00092 moveit::tools::Profiler::Begin("IK"); 00093 state.setFromIK(jmg, pose); 00094 moveit::tools::Profiler::End("IK"); 00095 const Eigen::Affine3d &pose_upd = state.getGlobalLinkTransform(tip); 00096 Eigen::Affine3d diff = pose_upd * pose.inverse(); 00097 double rot_err = (diff.rotation() - Eigen::Matrix3d::Identity()).norm(); 00098 double trans_err = diff.translation().norm(); 00099 moveit::tools::Profiler::Average("Rotation error", rot_err); 00100 moveit::tools::Profiler::Average("Translation error", trans_err); 00101 if (rot_err < 1e-3 && trans_err < 1e-3) 00102 { 00103 moveit::tools::Profiler::Event("Valid IK"); 00104 moveit::tools::Profiler::Average("Success Rate", 100); 00105 } 00106 else 00107 { 00108 moveit::tools::Profiler::Event("Invalid IK"); 00109 moveit::tools::Profiler::Average("Success Rate", 0); 00110 } 00111 } 00112 moveit::tools::Profiler::Stop(); 00113 moveit::tools::Profiler::Status(); 00114 } 00115 else 00116 ROS_ERROR_STREAM("No kinematics solver specified for group " << group); 00117 } 00118 } 00119 00120 ros::shutdown(); 00121 return 0; 00122 }