source devel/setup.bash
roslaunch lio_sam run.launch
rosbag play outdoor.bag
source devel/setup.bash
sudo chmod 777 /dev/ttyUSB\*
roslaunch xsens_mti_driver xsens_mti_node.launch
roslaunch velodyne_pointcloud velodyne_vlp16.launch
roslaunch lio_sam run.launch