// -*- mode: c++ -*-
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#ifndef JSK_PCL_ROS_BORDER_ESTIMATOR_H_
#define JSK_PCL_ROS_BORDER_ESTIMATOR_H_

#include <pcl_ros/pcl_nodelet.h>
#include <pcl/range_image/range_image.h>
#include <pcl/features/range_image_border_extractor.h>

#include <sensor_msgs/PointCloud2.h>
#include <sensor_msgs/CameraInfo.h>
#include "jsk_pcl_ros/pcl_conversion_util.h"

#include <message_filters/subscriber.h>
#include <message_filters/time_synchronizer.h>
#include <message_filters/synchronizer.h>

#include "jsk_pcl_ros/connection_based_nodelet.h"

namespace jsk_pcl_ros
{
  class BorderEstimator: public ConnectionBasedNodelet
  {
  public:
    typedef message_filters::sync_policies::ApproximateTime<
    sensor_msgs::PointCloud2, sensor_msgs::CameraInfo> SyncPolicy;

  protected:
    virtual void onInit();
    virtual pcl::PointXYZ convertPoint(const pcl::PointWithRange& input);
    virtual void estimate(const sensor_msgs::PointCloud2::ConstPtr& msg,
                          const sensor_msgs::CameraInfo::ConstPtr& caminfo);
    virtual void publishCloud(ros::Publisher& pub,
                              const pcl::PointCloud<pcl::PointXYZ>& cloud,
                              const std_msgs::Header& header);
    virtual void subscribe();
    virtual void unsubscribe();
    message_filters::Subscriber<sensor_msgs::PointCloud2> sub_point_;
    message_filters::Subscriber<sensor_msgs::CameraInfo> sub_camera_info_;
    boost::shared_ptr<message_filters::Synchronizer<SyncPolicy> >sync_;
    ros::Publisher pub_border_, pub_veil_, pub_shadow_;
  private:
    
  };
}

#endif
