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conversions.h

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// $Id: conversions.h 2348 2012-01-13 12:48:18Z hornunga@informatik.uni-freiburg.de $

/*
 * Copyright (c) 2011, A. Hornung, University of Freiburg
 * 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 University of Freiburg 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.
 */

#ifndef OCTOMAP_CONVERT_MSGS_H
#define OCTOMAP_CONVERT_MSGS_H

#include <octomap/octomap.h>
#include <octomap_ros/OctomapBinary.h>
#include <pcl/point_cloud.h>
#include <pcl/point_types.h>
#include <geometry_msgs/Point.h>
#include <tf/transform_datatypes.h>

namespace octomap {
  template <class OctomapT>
  static inline void octomapMapToMsg(const OctomapT& octomap, octomap_ros::OctomapBinary& mapMsg){
    mapMsg.header.stamp = ros::Time::now();

    octomapMapToMsgData(octomap, mapMsg.data);
  }

  template <class OctomapT>
  static inline void octomapMapToMsgData(const OctomapT& octomap, std::vector<int8_t>& mapData){
          // conversion via stringstream

          // TODO: read directly into buffer? see
          // http://stackoverflow.com/questions/132358/how-to-read-file-content-into-istringstream
          std::stringstream datastream;
          octomap.writeBinaryConst(datastream);
          std::string datastring = datastream.str();
          mapData = std::vector<int8_t>(datastring.begin(), datastring.end());
  }


  template <class OctomapT>
  static inline void octomapMsgToMap(const octomap_ros::OctomapBinary& mapMsg, OctomapT& octomap){
        octomapMsgDataToMap(mapMsg.data, octomap);
  }

  template <class OctomapT>
  static inline void octomapMsgDataToMap(const std::vector<int8_t>& mapData, OctomapT& octomap){
    std::stringstream datastream;
    assert(mapData.size() > 0);
    datastream.write((const char*) &mapData[0], mapData.size());
    octomap.readBinary(datastream);
  }

  template <class PointT>
  static inline void pointsOctomapToPCL(const point3d_list& points, pcl::PointCloud<PointT>& cloud){

    cloud.points.reserve(points.size());
    for (point3d_list::const_iterator it = points.begin(); it != points.end(); ++it){
      cloud.push_back(PointT(it->x(), it->y(), it->z()));
    }

  }

  template <class PointT>
  static inline void pointcloudPCLToOctomap(const pcl::PointCloud<PointT>& pclCloud, Pointcloud& octomapCloud){
    octomapCloud.reserve(pclCloud.points.size());

    typename
    pcl::PointCloud<PointT>::const_iterator it;
    for (it = pclCloud.begin(); it != pclCloud.end(); ++it){
      // Check if the point is invalid
      if (!std::isnan (it->x) && !std::isnan (it->y) && !std::isnan (it->z))
        octomapCloud.push_back(it->x, it->y, it->z);
    }
  }

  static inline geometry_msgs::Point pointOctomapToMsg(const point3d& octomapPt){
    geometry_msgs::Point pt;
    pt.x = octomapPt.x();
    pt.y = octomapPt.y();
    pt.z = octomapPt.z();

    return pt;
  }

  static inline octomap::point3d pointMsgToOctomap(const geometry_msgs::Point& ptMsg){
    return octomap::point3d(ptMsg.x, ptMsg.y, ptMsg.z);
  }

  static inline tf::Point pointOctomapToTf(const point3d& octomapPt){
    return tf::Point(octomapPt.x(), octomapPt.y(), octomapPt.z());
  }

  static inline octomap::point3d pointTfToOctomap(const tf::Point& ptTf){
    return point3d(ptTf.x(), ptTf.y(), ptTf.z());
  }

  template <class PointT>
  static inline octomap::point3d pointPCLToOctomap(const PointT& p){
    return point3d(p.x, p.y, p.z);
  }

  template <class PointT>
  static inline PointT pointOctomapToPCL(const point3d& octomapPt){
        return PointT(octomapPt.x(), octomapPt.y(), octomapPt.z());
  }

  static inline tf::Quaternion quaternionOctomapToTf(const octomath::Quaternion& octomapQ){
    return tf::Quaternion(octomapQ.x(), octomapQ.y(), octomapQ.z(), octomapQ.u());
  }

  static inline octomath::Quaternion quaternionTfToOctomap(const tf::Quaternion& qTf){
    return octomath::Quaternion(qTf.w(), qTf.x(), qTf.y(), qTf.z());
  }

  static inline tf::Pose poseOctomapToTf(const octomap::pose6d& octomapPose){
    return tf::Pose(quaternionOctomapToTf(octomapPose.rot()), pointOctomapToTf(octomapPose.trans()));
  }

  static inline octomap::pose6d poseTfToOctomap(const tf::Pose& poseTf){
    return octomap::pose6d(pointTfToOctomap(poseTf.getOrigin()), quaternionTfToOctomap(poseTf.getRotation()));
  }





}


#endif

---

octomap_ros
Author(s): Armin Hornung
autogenerated on Tue Mar 5 12:07:18 2013