missing_tf.cpp

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/*
 * Copyright (c) 2011, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the Willow Garage, Inc. 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 OWNER 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.
 */
 
 
#include <ros/ros.h>
 
#include <tf2_ros/transform_broadcaster.h>
#include <tf2_geometry_msgs/tf2_geometry_msgs.h>
 
#include <interactive_markers/interactive_marker_server.h>
 
#include <math.h>
 
boost::shared_ptr<interactive_markers::InteractiveMarkerServer> server;
 
using namespace visualization_msgs;
 
Marker makeBox( InteractiveMarker &msg )
{
  Marker marker;
 
  marker.type = Marker::CUBE;
  marker.scale.x = msg.scale * 0.45;
  marker.scale.y = msg.scale * 0.45;
  marker.scale.z = msg.scale * 0.45;
  marker.color.r = 0.5;
  marker.color.g = 0.5;
  marker.color.b = 0.5;
  marker.color.a = 1.0;
 
  return marker;
}
 
InteractiveMarkerControl& makeBoxControl( InteractiveMarker &msg )
{
  InteractiveMarkerControl control;
  control.always_visible = true;
  control.markers.push_back( makeBox(msg) );
  msg.controls.push_back( control );
 
  return msg.controls.back();
}
 
// %Tag(6DOF)%
void make6DofMarker( bool fixed )
{
  InteractiveMarker int_marker;
  int_marker.header.frame_id = "/base_link";
  int_marker.header.stamp = ros::Time::now();
  int_marker.scale = 1;
 
  int_marker.name = "simple_6dof";
  int_marker.description = "Simple 6-DOF Control";
 
  // insert a box
  makeBoxControl(int_marker);
 
  InteractiveMarkerControl control;
 
  if ( fixed )
  {
    int_marker.name += "_fixed";
    int_marker.description += "\n(fixed orientation)";
    control.orientation_mode = InteractiveMarkerControl::FIXED;
  }
 
  control.orientation.w = 1;
  control.orientation.x = 1;
  control.orientation.y = 0;
  control.orientation.z = 0;
  control.name = "rotate_x";
  control.interaction_mode = InteractiveMarkerControl::ROTATE_AXIS;
  int_marker.controls.push_back(control);
  control.name = "move_x";
  control.interaction_mode = InteractiveMarkerControl::MOVE_AXIS;
  int_marker.controls.push_back(control);
 
  control.orientation.w = 1;
  control.orientation.x = 0;
  control.orientation.y = 1;
  control.orientation.z = 0;
  control.name = "rotate_z";
  control.interaction_mode = InteractiveMarkerControl::ROTATE_AXIS;
  int_marker.controls.push_back(control);
  control.name = "move_z";
  control.interaction_mode = InteractiveMarkerControl::MOVE_AXIS;
  int_marker.controls.push_back(control);
 
  control.orientation.w = 1;
  control.orientation.x = 0;
  control.orientation.y = 0;
  control.orientation.z = 1;
  control.name = "rotate_y";
  control.interaction_mode = InteractiveMarkerControl::ROTATE_AXIS;
  int_marker.controls.push_back(control);
  control.name = "move_y";
  control.interaction_mode = InteractiveMarkerControl::MOVE_AXIS;
  int_marker.controls.push_back(control);
 
  server->insert(int_marker);
}
 
void frameCallback(const ros::TimerEvent&)
{
  static tf2_ros::TransformBroadcaster br;
  static bool sending = true;
 
  geometry_msgs::Pose pose;
  pose.orientation.w = 1;
 
  ros::Time time = ros::Time::now();
 
  std_msgs::Header header;
  header.frame_id = "/base_link";
  header.stamp = time;
 
  int seconds = time.toSec();
 
  ROS_INFO( "%.3f", time.toSec() );
 
  if ( seconds % 4 < 2 )
  {
    if (!sending) ROS_INFO("on");
    sending = true;
  }
  else
  {
    if (sending) ROS_INFO("off");
    sending = false;
    header.frame_id = "missing_frame";
  }
 
  server->setPose("simple_6dof",pose,header);
  server->applyChanges();
 
  geometry_msgs::TransformStamped stf;
  stf.header.frame_id = "base_link";
  stf.header.stamp = time;
  stf.child_frame_id = "bursty_frame";
  stf.transform.translation = toMsg(tf2::Vector3(0.0, 0.0, 1.0));
  stf.transform.rotation = toMsg(tf2::Quaternion(0.0, 0.0, 0.0, 1.0));
 
  br.sendTransform(stf);
}
 
int main(int argc, char** argv)
{
  ros::init(argc, argv, "bursty_tf");
  ros::NodeHandle n;
 
  server.reset( new interactive_markers::InteractiveMarkerServer("bursty_tf","",false) );
 
  // create a timer to update the published transforms
  ros::Timer frame_timer = n.createTimer(ros::Duration(0.5), frameCallback);
 
  make6DofMarker(false);
  server->applyChanges();
 
  ros::spin();
}