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| 1 | +/* |
| 2 | + * Software License Agreement (BSD License) |
| 3 | + * |
| 4 | + * Copyright (c) 2010-2012, Willow Garage, Inc. |
| 5 | + * All rights reserved. |
| 6 | + * |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions |
| 9 | + * are met: |
| 10 | + * |
| 11 | + * * Redistributions of source code must retain the above copyright |
| 12 | + * notice, this list of conditions and the following disclaimer. |
| 13 | + * * Redistributions in binary form must reproduce the above |
| 14 | + * copyright notice, this list of conditions and the following |
| 15 | + * disclaimer in the documentation and/or other materials provided |
| 16 | + * with the distribution. |
| 17 | + * * Neither the name of Willow Garage, Inc. nor the names of its |
| 18 | + * contributors may be used to endorse or promote products derived |
| 19 | + * from this software without specific prior written permission. |
| 20 | + * |
| 21 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 22 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 23 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 24 | + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 25 | + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 26 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 27 | + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 28 | + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 29 | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 30 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 31 | + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 32 | + * POSSIBILITY OF SUCH DAMAGE. |
| 33 | + * |
| 34 | + * |
| 35 | + */ |
| 36 | + |
| 37 | +/* |
| 38 | + * Author: Paul Bovbel |
| 39 | + * Author: Sofie Nilsson |
| 40 | + */ |
| 41 | + |
| 42 | +#ifndef IPA_POINTCLOUD_TO_LASERSCAN_POINTCLOUD_TO_LASERSCAN_NODELET |
| 43 | +#define IPA_POINTCLOUD_TO_LASERSCAN_POINTCLOUD_TO_LASERSCAN_NODELET |
| 44 | + |
| 45 | +#include "ros/ros.h" |
| 46 | +#include "boost/thread/mutex.hpp" |
| 47 | + |
| 48 | +#include "nodelet/nodelet.h" |
| 49 | +#include "tf2_ros/buffer.h" |
| 50 | +#include "tf2_ros/transform_listener.h" |
| 51 | +#include "tf2_ros/message_filter.h" |
| 52 | +#include "message_filters/subscriber.h" |
| 53 | +#include "sensor_msgs/PointCloud2.h" |
| 54 | + |
| 55 | + |
| 56 | +namespace pointcloud_to_laserscan |
| 57 | +{ |
| 58 | + typedef tf2_ros::MessageFilter<sensor_msgs::PointCloud2> MessageFilter; |
| 59 | +/** |
| 60 | +* Class to process incoming pointclouds into laserscans. Some initial code was pulled from the defunct turtlebot |
| 61 | +* pointcloud_to_laserscan implementation. |
| 62 | +*/ |
| 63 | + class IpaPointCloudToLaserScanNodelet : public nodelet::Nodelet |
| 64 | + { |
| 65 | + |
| 66 | + public: |
| 67 | + IpaPointCloudToLaserScanNodelet(); |
| 68 | + |
| 69 | + private: |
| 70 | + virtual void onInit(); |
| 71 | + |
| 72 | + void cloudCb(const sensor_msgs::PointCloud2ConstPtr &cloud_msg); |
| 73 | + void failureCb(const sensor_msgs::PointCloud2ConstPtr &cloud_msg, |
| 74 | + tf2_ros::filter_failure_reasons::FilterFailureReason reason); |
| 75 | + |
| 76 | + void connectCb(); |
| 77 | + |
| 78 | + void disconnectCb(); |
| 79 | + |
| 80 | + ros::NodeHandle nh_, private_nh_; |
| 81 | + ros::Publisher pub_; |
| 82 | + boost::mutex connect_mutex_; |
| 83 | + |
| 84 | + boost::shared_ptr<tf2_ros::Buffer> tf2_; |
| 85 | + boost::shared_ptr<tf2_ros::TransformListener> tf2_listener_; |
| 86 | + message_filters::Subscriber<sensor_msgs::PointCloud2> sub_; |
| 87 | + boost::shared_ptr<MessageFilter> message_filter_; |
| 88 | + |
| 89 | + // ROS Parameters |
| 90 | + unsigned int input_queue_size_; |
| 91 | + std::string target_frame_; |
| 92 | + double tolerance_; |
| 93 | + double min_height_, max_height_, angle_min_, angle_max_, angle_increment_, scan_time_, range_min_, range_max_; |
| 94 | + bool use_inf_; |
| 95 | + }; |
| 96 | + |
| 97 | +} // pointcloud_to_laserscan |
| 98 | + |
| 99 | +#endif // IPA_POINTCLOUD_TO_LASERSCAN_POINTCLOUD_TO_LASERSCAN_NODELET |
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