callbacks.cpp

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#include <stdexcept>
#include <boost/bind.hpp>
#include <image_transport/image_transport.h>
#include <sensor_msgs/Image.h>
#include <visp3/core/vpImage.h>
 
#include <visp_tracker/Init.h>
 
#include "names.hh"
#include "conversion.hh"
#include "callbacks.hh"
 
#include <visp3/mbt/vpMbGenericTracker.h>
 
void imageCallback(vpImage<unsigned char>& image,
                   const sensor_msgs::Image::ConstPtr& msg,
                   const sensor_msgs::CameraInfoConstPtr& info)
{
  try
  {
    rosImageToVisp(image, msg);
  }
  catch(std::exception& e)
  {
    ROS_ERROR_STREAM("dropping frame: " << e.what());
  }
}
 
void imageCallback(vpImage<unsigned char>& image,
                   std_msgs::Header& header,
                   sensor_msgs::CameraInfoConstPtr& info,
                   const sensor_msgs::Image::ConstPtr& msg,
                   const sensor_msgs::CameraInfoConstPtr& infoConst)
{
  imageCallback(image, msg, info);
  header = msg->header;
  info = infoConst;
}
 
image_transport::CameraSubscriber::Callback
bindImageCallback(vpImage<unsigned char>& image)
{
  return boost::bind(imageCallback, boost::ref(image), _1, _2);
}
 
image_transport::CameraSubscriber::Callback
bindImageCallback(vpImage<unsigned char>& image,
                  std_msgs::Header& header,
                  sensor_msgs::CameraInfoConstPtr& info)
{
  return boost::bind
      (imageCallback,
       boost::ref(image), boost::ref(header), boost::ref(info), _1, _2);
}
 
void reconfigureCallback(vpMbGenericTracker &tracker,
                         vpImage<unsigned char>& I,
                         vpMe& moving_edge,
                         vpKltOpencv& kltTracker,
                         boost::recursive_mutex& mutex,
                         visp_tracker::ModelBasedSettingsConfig& config,
                         uint32_t level)
{
  mutex.lock ();
  try
  {
    ROS_INFO("Reconfigure Model Based Hybrid Tracker request received.");
 
    convertModelBasedSettingsConfigToVpMbTracker<visp_tracker::ModelBasedSettingsConfig>(config, tracker);
 
    convertModelBasedSettingsConfigToVpMe<visp_tracker::ModelBasedSettingsConfig>(config, moving_edge, tracker);
    //         moving_edge.print();
 
    convertModelBasedSettingsConfigToVpKltOpencv<visp_tracker::ModelBasedSettingsConfig>(config, kltTracker, tracker);
 
    vpHomogeneousMatrix cMo;
    tracker.getPose(cMo);
 
    // Check if the image is ready to use
    if (I.getHeight() != 0 && I.getWidth() != 0) {
      tracker.initFromPose(I, cMo);
    }
  }
  catch (...)
  {
    mutex.unlock ();
    throw;
  }
  mutex.unlock ();
}
 
void reconfigureEdgeCallback(vpMbGenericTracker &tracker,
                             vpImage<unsigned char>& I,
                             vpMe& moving_edge,
                             boost::recursive_mutex& mutex,
                             visp_tracker::ModelBasedSettingsEdgeConfig& config,
                             uint32_t level)
{
 
  mutex.lock ();
  try
  {
    ROS_INFO("Reconfigure Model Based Edge Tracker request received.");
 
    convertModelBasedSettingsConfigToVpMbTracker<visp_tracker::ModelBasedSettingsEdgeConfig>(config, tracker);
    convertModelBasedSettingsConfigToVpMe<visp_tracker::ModelBasedSettingsEdgeConfig>(config, moving_edge, tracker);
    // moving_edge.print();
 
    // Check if the image is ready to use
    if (I.getHeight() != 0 && I.getWidth() != 0) {
      vpHomogeneousMatrix cMo;
      tracker.getPose(cMo);
      // Could not use initFromPose for edge tracker
      // init() function has to be fixed in the trunk first
      // It might have to reset the meLines
      tracker.setPose(I, cMo);
    }
  }
  catch (...)
  {
    mutex.unlock ();
    throw;
  }
  mutex.unlock ();
}
 
void reconfigureKltCallback(vpMbGenericTracker &tracker,
                            vpImage<unsigned char>& I,
                            vpKltOpencv& kltTracker,
                            boost::recursive_mutex& mutex,
                            visp_tracker::ModelBasedSettingsKltConfig& config,
                            uint32_t level)
{
  mutex.lock ();
  try
  {
    ROS_INFO("Reconfigure Model Based KLT Tracker request received.");
 
    convertModelBasedSettingsConfigToVpMbTracker<visp_tracker::ModelBasedSettingsKltConfig>(config, tracker);
    convertModelBasedSettingsConfigToVpKltOpencv<visp_tracker::ModelBasedSettingsKltConfig>(config, kltTracker, tracker);
 
    // Check if the image is ready to use
    if (I.getHeight() != 0 && I.getWidth() != 0) {
      vpHomogeneousMatrix cMo;
      tracker.getPose(cMo);
      tracker.initFromPose(I, cMo);
    }
  }
  catch (...)
  {
    mutex.unlock ();
    throw;
  }
  mutex.unlock ();
}
 
void reInitViewerCommonParameters(ros::NodeHandle& nh,
                                  vpMbGenericTracker &tracker)
{
  ros::ServiceClient clientViewer =
      nh.serviceClient<visp_tracker::Init>(visp_tracker::reconfigure_service_viewer);
  visp_tracker::Init srv;
  convertVpMbTrackerToInitRequest(tracker, srv);
  if (clientViewer.call(srv))
  {
    if (srv.response.initialization_succeed)
      ROS_INFO("Tracker Viewer initialized with success.");
    else
      throw std::runtime_error("failed to initialize tracker viewer.");
  }
}
 
void reconfigureCallbackAndInitViewer(ros::NodeHandle& nh,
                                      vpMbGenericTracker &tracker,
                                      vpImage<unsigned char>& I,
                                      vpMe& moving_edge,
                                      vpKltOpencv& kltTracker,
                                      boost::recursive_mutex& mutex,
                                      visp_tracker::ModelBasedSettingsConfig& config,
                                      uint32_t level)
{
  reconfigureCallback(tracker,I,moving_edge,kltTracker,mutex,config,level);
  reInitViewerCommonParameters(nh,tracker);
}
 
void reconfigureEdgeCallbackAndInitViewer(ros::NodeHandle& nh,
                                          vpMbGenericTracker &tracker,
                                          vpImage<unsigned char>& I,
                                          vpMe& moving_edge,
                                          boost::recursive_mutex& mutex,
                                          visp_tracker::ModelBasedSettingsEdgeConfig& config,
                                          uint32_t level)
{
  reconfigureEdgeCallback(tracker,I,moving_edge,mutex,config,level);
  reInitViewerCommonParameters(nh,tracker);
}
 
void reconfigureKltCallbackAndInitViewer(ros::NodeHandle& nh,
                                         vpMbGenericTracker &tracker,
                                         vpImage<unsigned char>& I,
                                         vpKltOpencv& kltTracker,
                                         boost::recursive_mutex& mutex,
                                         visp_tracker::ModelBasedSettingsKltConfig& config,
                                         uint32_t level)
{
  reconfigureKltCallback(tracker,I,kltTracker,mutex,config,level);
  reInitViewerCommonParameters(nh,tracker);
}