bounding_box_marker.cpp

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#include <interactive_markers/interactive_marker_server.h>
#include <jsk_pcl_ros/Int32Stamped.h>
#include <jsk_pcl_ros/BoundingBoxArray.h>
#include <ros/ros.h>
#include <boost/algorithm/string.hpp>


boost::shared_ptr<interactive_markers::InteractiveMarkerServer> server;
boost::mutex mutex;
ros::Publisher pub, box_pub, box_arr_pub;
jsk_pcl_ros::BoundingBoxArray::ConstPtr box_msg;

void processFeedback(const visualization_msgs::InteractiveMarkerFeedbackConstPtr &feedback)
{
  boost::mutex::scoped_lock(mutex);
  // control_name is "sec nsec index"
  if (feedback->event_type == visualization_msgs::InteractiveMarkerFeedback::MOUSE_DOWN) {
    std::string control_name = feedback->control_name;
    ROS_INFO_STREAM("control_name: " << control_name);
    std::list<std::string> splitted_string;
    boost::split(splitted_string, control_name, boost::is_space());
    jsk_pcl_ros::Int32Stamped index;
    index.header.stamp.sec = boost::lexical_cast<int>(splitted_string.front());
    splitted_string.pop_front();
    index.header.stamp.nsec = boost::lexical_cast<int>(splitted_string.front());
    splitted_string.pop_front();
    index.data = boost::lexical_cast<int>(splitted_string.front());
    pub.publish(index);
    box_pub.publish(box_msg->boxes[index.data]);
    jsk_pcl_ros::BoundingBoxArray array_msg;
    array_msg.header = box_msg->header;
    array_msg.boxes.push_back(box_msg->boxes[index.data]);
    box_arr_pub.publish(array_msg);
  }
}

void boxCallback(const jsk_pcl_ros::BoundingBoxArray::ConstPtr& msg)
{
  boost::mutex::scoped_lock(mutex);
  box_msg = msg;
  server->clear();
  // create cube markers
  for (size_t i = 0; i < msg->boxes.size(); i++) {
    jsk_pcl_ros::BoundingBox box = msg->boxes[i];
    visualization_msgs::InteractiveMarker int_marker;
    int_marker.header.frame_id = box.header.frame_id;
    int_marker.pose = box.pose;
    {
      std::stringstream ss;
      ss << "box" << "_" << i;
      int_marker.name = ss.str();
    }
    visualization_msgs::InteractiveMarkerControl control;
    control.interaction_mode = visualization_msgs::InteractiveMarkerControl::BUTTON;
    
    {
      std::stringstream ss;
      // encode several informations into control name
      ss << box.header.stamp.sec << " " << box.header.stamp.nsec << " " << i;
      control.name = ss.str();
    }
    visualization_msgs::Marker marker;
    marker.type = visualization_msgs::Marker::CUBE;
    marker.scale.x = box.dimensions.x + 0.01;
    marker.scale.y = box.dimensions.y + 0.01;
    marker.scale.z = box.dimensions.z + 0.01;
    marker.color.r = 1.0;
    marker.color.g = 1.0;
    marker.color.b = 1.0;
    marker.color.a = 0.0;
    control.markers.push_back(marker);
    control.always_visible = true;
    int_marker.controls.push_back(control);
    server->insert(int_marker);
    server->setCallback(int_marker.name, &processFeedback);
  }
  server->applyChanges();
}

int main(int argc, char** argv)
{
  ros::init(argc, argv, "bounding_box_interactive_marker");
  ros::NodeHandle n, pnh("~");
  server.reset(new interactive_markers::InteractiveMarkerServer("bounding_box_interactive_marker", "", false));
  pub = pnh.advertise<jsk_pcl_ros::Int32Stamped>("selected_index", 1);
  box_pub = pnh.advertise<jsk_pcl_ros::BoundingBox>("selected_box", 1);
  box_arr_pub = pnh.advertise<jsk_pcl_ros::BoundingBoxArray>("selected_box_array", 1);
  ros::Subscriber sub = pnh.subscribe("bounding_box_array", 1, boxCallback);
  ros::spin();
  server.reset();
  return 0;
}