slam_toolbox_async.cpp

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/*
 * slam_toolbox
 * Copyright Work Modifications (c) 2018, Simbe Robotics, Inc.
 * Copyright Work Modifications (c) 2019, Steve Macenski
 *
 * THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE
 * COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY
 * COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS
 * AUTHORIZED UNDER THIS LICENSE OR COPYRIGHT LAW IS PROHIBITED.
 *
 * BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND AGREE TO
 * BE BOUND BY THE TERMS OF THIS LICENSE. THE LICENSOR GRANTS YOU THE RIGHTS
 * CONTAINED HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND
 * CONDITIONS.
 *
 */
 
/* Author: Steven Macenski */
 
#include "slam_toolbox/slam_toolbox_async.hpp"
 
namespace slam_toolbox
{
 
/*****************************************************************************/
AsynchronousSlamToolbox::AsynchronousSlamToolbox(ros::NodeHandle& nh)
: SlamToolbox(nh)
/*****************************************************************************/
{
  loadPoseGraphByParams(nh);
}
 
/*****************************************************************************/
void AsynchronousSlamToolbox::laserCallback(
  const sensor_msgs::LaserScan::ConstPtr& scan)
/*****************************************************************************/
{
  // no odom info
  karto::Pose2 pose;
  if(!pose_helper_->getOdomPose(pose, scan->header.stamp))
  {
    return;
  }
 
  // ensure the laser can be used
  karto::LaserRangeFinder* laser = getLaser(scan);
 
  if(!laser)
  {
    ROS_WARN_THROTTLE(5., "Failed to create laser device for"
      " %s; discarding scan", scan->header.frame_id.c_str());
    return;
  }
 
  // if not paused, process scan
  if (shouldProcessScan(scan, pose))
  {
    addScan(laser, scan, pose);
  }
 
  return;
}
 
/*****************************************************************************/
bool AsynchronousSlamToolbox::deserializePoseGraphCallback(
  slam_toolbox_msgs::DeserializePoseGraph::Request& req,
  slam_toolbox_msgs::DeserializePoseGraph::Response& resp)
/*****************************************************************************/
{
  if (req.match_type == procType::LOCALIZE_AT_POSE)
  {
    ROS_ERROR("Requested a localization deserialization "
      "in non-localization mode.");
    return false;
  }
 
  return SlamToolbox::deserializePoseGraphCallback(req, resp);
}
 
} // end namespace