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3) Package environment Settings:
Note: Add permanent workspace environment variables. It will be very convenient if
ROS environment variables are automatically added to your bash session every time you
start a new shell:
4) Verify that your package path is set, echo the ROS_PACKAGE_PATH variable.
5)
You should see something like this: /home/tony/ydlidar_ws/src:/opt/ros/melodic/share
Create Serial Port Alias [Optional]
Note: After completing the previous operation, re-insert the LiDAR again.
3.4
Run the ydlidar_ros_driver
Run ydlidar_ros_driver with startup file, as shown below:
3.5
RVIZ View Scan Results
Run the launch file and open rviz to view the G2 scan results, as shown in the figure
below:
Note: G4 lidar is taken as an example by default. If other types of lidars are used, lidar.launch in the
lidar_view.launch file needs to be changed to the corresponding **.launch file. (If G2 radar is
used, it needs to be changed to G2.launch)
$ source ./devel/setup.sh
$ echo "source ~/ydlidar_ws/devel/setup.bash" >> ~/.bashrc
$ source ~/.bashrc
$ echo $ROS_PACKAGE_PATH
$ chmod 0777 src/ydlidar_ros_driver/startup/*
$ sudo sh src/ydlidar_ros_driver/startup/initenv.sh
$ roslaunch ydlidar_ros_driver G2.launch
$ roslaunch ydlidar_ros_driver lidar_view.launch