pcd_reader_with_pose_nodelet.cpp

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// -*- mode: c++; indent-tabs-mode: nil; -*-
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#include "jsk_pcl_ros/pcd_reader_with_pose.h"
#include "jsk_pcl_ros/pcl_conversion_util.h"
#include <eigen_conversions/eigen_msg.h>
#include <pcl/common/transforms.h>
#include <eigen_conversions/eigen_msg.h>
#include <pcl/io/pcd_io.h>
#include <pcl/io/io.h>

namespace jsk_pcl_ros
{
  void PCDReaderWithPose::onInit()
  {
    pcl::console::setVerbosityLevel(pcl::console::L_ERROR);
    DiagnosticNodelet::onInit();
    std::string file_name;
    pnh_->param("pcd_file", file_name, std::string(""));
    if (file_name == std::string("") || pcl::io::loadPCDFile (file_name, template_cloud_) == -1){
      JSK_NODELET_FATAL("cannot read pcd file %s", file_name.c_str());
      return;
    }
    pub_cloud_ = advertise<sensor_msgs::PointCloud2>(*pnh_,
                                                       "output", 1);    
  }
  void PCDReaderWithPose::subscribe()
  {
    sub_teacher_ = pnh_->subscribe("input", 1,
                                       &PCDReaderWithPose::poseCallback,
                                       this);
  }
  void PCDReaderWithPose::unsubscribe()
  {
  }
  void PCDReaderWithPose::poseCallback(
    const geometry_msgs::PoseStamped::ConstPtr& pose_stamped)
  {
    ros::Time now = ros::Time::now();
    Eigen::Affine3f pose_eigen;
    tf::poseMsgToEigen(pose_stamped->pose, pose_eigen);
    sensor_msgs::PointCloud2 ros_out;
    Eigen::Matrix4f transform = pose_eigen.matrix();
    pcl_ros::transformPointCloud(transform ,template_cloud_, ros_out);
    ros_out.header = pose_stamped->header;
    pub_cloud_.publish(ros_out);
  }
}

#include <pluginlib/class_list_macros.h>
PLUGINLIB_EXPORT_CLASS (jsk_pcl_ros::PCDReaderWithPose, nodelet::Nodelet);