GazeboRosVelodyneLaser.h
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00034 
00035 #ifndef GAZEBO_ROS_VELODYNE_LASER_H_
00036 #define GAZEBO_ROS_VELODYNE_LASER_H_
00037 
00038 // Custom Callback Queue
00039 #include <ros/ros.h>
00040 #include <ros/callback_queue.h>
00041 #include <ros/advertise_options.h>
00042 
00043 #include <sdf/Param.hh>
00044 #include <gazebo/physics/physics.hh>
00045 #include <gazebo/transport/TransportTypes.hh>
00046 #include <gazebo/msgs/MessageTypes.hh>
00047 
00048 #include <gazebo/common/Time.hh>
00049 #include <gazebo/common/Plugin.hh>
00050 #include <gazebo/sensors/SensorTypes.hh>
00051 #include <gazebo/plugins/RayPlugin.hh>
00052 
00053 #include <boost/bind.hpp>
00054 #include <boost/thread.hpp>
00055 #include <boost/thread/mutex.hpp>
00056 #include <boost/thread/lock_guard.hpp>
00057 
00058 namespace gazebo
00059 {
00060 
00061   class GazeboRosVelodyneLaser : public RayPlugin
00062   {
00065     public: GazeboRosVelodyneLaser();
00066 
00068     public: ~GazeboRosVelodyneLaser();
00069 
00072     public: void Load(sensors::SensorPtr _parent, sdf::ElementPtr _sdf);
00073 
00075     private: void ConnectCb();
00076 
00078     private: sensors::RaySensorPtr parent_ray_sensor_;
00079 
00081     private: ros::NodeHandle* nh_;
00082 
00084     private: ros::Publisher pub_;
00085 
00087     private: std::string topic_name_;
00088 
00090     private: std::string frame_name_;
00091 
00093     private: double min_range_;
00094 
00096     private: double max_range_;
00097 
00099     private: double gaussian_noise_;
00100 
00102     private: static double gaussianKernel(double mu, double sigma)
00103     {
00104       // using Box-Muller transform to generate two independent standard normally distributed normal variables
00105       // see wikipedia
00106       double U = (double)rand() / (double)RAND_MAX; // normalized uniform random variable
00107       double V = (double)rand() / (double)RAND_MAX; // normalized uniform random variable
00108       return sigma * (sqrt(-2.0 * ::log(U)) * cos(2.0 * M_PI * V)) + mu;
00109     }
00110 
00112     private: boost::mutex lock_;
00113 
00115     private: std::string robot_namespace_;
00116 
00117     // Custom Callback Queue
00118     private: ros::CallbackQueue laser_queue_;
00119     private: void laserQueueThread();
00120     private: boost::thread callback_laser_queue_thread_;
00121 
00122     // Subscribe to gazebo laserscan
00123     private: gazebo::transport::NodePtr gazebo_node_;
00124     private: gazebo::transport::SubscriberPtr sub_;
00125     private: void OnScan(const ConstLaserScanStampedPtr &_msg);
00126 
00127   };
00128 
00129 } // namespace gazebo
00130 
00131 #endif /* GAZEBO_ROS_VELODYNE_LASER_H_ */
00132 


velodyne_gazebo_plugins
Author(s): Kevin Hallenbeck
autogenerated on Tue Sep 26 2017 03:02:17