source devel/setup.bashroslaunch lio_sam run.launchrosbag play outdoor.bagsource devel/setup.bashsudo chmod 777 /dev/ttyUSB\*
roslaunch xsens_mti_driver xsens_mti_node.launchroslaunch velodyne_pointcloud velodyne_vlp16.launchroslaunch lio_sam run.launch

![[png]](/binbin2002/slam-study-note/raw/master/command/media/dbebbbdaf4c6e4278a0ac2e62db89a81.png)