00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2008, 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 the 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: Wim Meeussen */ 00036 00037 #ifndef ROBOT_STATE_PUBLISHER_H 00038 #define ROBOT_STATE_PUBLISHER_H 00039 00040 #include <ros/ros.h> 00041 #include <boost/scoped_ptr.hpp> 00042 #include <tf/tf.h> 00043 #include <tf/transform_broadcaster.h> 00044 #include <kdl/frames.hpp> 00045 #include <kdl/segment.hpp> 00046 #include <kdl/tree.hpp> 00047 00048 namespace robot_state_publisher{ 00049 00050 class SegmentPair 00051 { 00052 public: 00053 SegmentPair(const KDL::Segment& p_segment, const std::string& p_root, const std::string& p_tip): 00054 segment(p_segment), root(p_root), tip(p_tip){} 00055 00056 KDL::Segment segment; 00057 std::string root, tip; 00058 }; 00059 00060 00061 class RobotStatePublisher 00062 { 00063 public: 00067 RobotStatePublisher(const KDL::Tree& tree); 00068 00070 ~RobotStatePublisher(){}; 00071 00076 void publishTransforms(const std::map<std::string, double>& joint_positions, const ros::Time& time, const std::string& tf_prefix); 00077 void publishFixedTransforms(const std::string& tf_prefix); 00078 00079 private: 00080 void addChildren(const KDL::SegmentMap::const_iterator segment); 00081 00082 00083 std::map<std::string, SegmentPair> segments_, segments_fixed_; 00084 tf::TransformBroadcaster tf_broadcaster_; 00085 }; 00086 00087 00088 00089 } 00090 00091 #endif