robot_information.cpp

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/*
 *  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,
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 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 *
 *  robot_information.cpp
 *
 *  author: Sebastian Pütz <spuetz@uni-osnabrueck.de>
 *
 */
 
#include "mbf_utility/robot_information.h"
#include "mbf_utility/navigation_utility.h"
 
namespace mbf_utility
{
 
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);
  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_;}
 
} /* namespace mbf_utility */