robot_Information.cpp

Go to the documentation of this file.

/*
 *  Copyright 2018, Sebastian Pütz
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 *  3. Neither the name of the copyright holder nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 *  robot_information.cpp
 *
 *  author: Sebastian Pütz <spuetz@uni-osnabrueck.de>
 *
 */

#include "mbf_abstract_nav/robot_information.h"
#include "mbf_utility/navigation_utility.h"

namespace mbf_abstract_nav{

RobotInformation::RobotInformation(TF &tf_listener,
                                   const std::string &global_frame,
                                   const std::string &robot_frame,
                                   const ros::Duration &tf_timeout)
 : tf_listener_(tf_listener), global_frame_(global_frame), robot_frame_(robot_frame), tf_timeout_(tf_timeout)
{

}



bool RobotInformation::getRobotPose(geometry_msgs::PoseStamped &robot_pose) const
{
  bool tf_success = mbf_utility::getRobotPose(tf_listener_, robot_frame_, global_frame_,
                                              ros::Duration(tf_timeout_), robot_pose);
  robot_pose.header.stamp = ros::Time::now(); // would be 0 if not, as we ask tf listener for the last pose available
  if (!tf_success)
  {
    ROS_ERROR_STREAM("Can not get the robot pose in the global frame. - robot frame: \""
                         << robot_frame_ << "\"   global frame: \"" << global_frame_ << std::endl);
    return false;
  }
  return true;
}

bool RobotInformation::getRobotVelocity(geometry_msgs::TwistStamped &robot_velocity, ros::Duration look_back_duration) const
{
  // TODO implement and filter tf data to compute velocity.
  return false;
}

const std::string& RobotInformation::getGlobalFrame() const {return global_frame_;};

const std::string& RobotInformation::getRobotFrame() const {return robot_frame_;};

const TF& RobotInformation::getTransformListener() const {return tf_listener_;};

const ros::Duration& RobotInformation::getTfTimeout() const {return tf_timeout_;}

}