<launch> <arg name="rviz" default="true" /> <!-- <node pkg="fast_lio" type="imu_process" name="imu_process" output="screen"/> <node pkg="fast_lio" type="loam_scanRegistration_horizon" name="scanRegistration_horizon" output="screen"> </node> <node pkg="fast_lio" type="loam_laserMapping" name="laserMapping" output="screen"> <param name="map_file_path" type="string" value=" " /> <param name="filter_parameter_corner" type="double" value="0.3" /> <param name="filter_parameter_surf" type="double" value="0.2" /> </node> <node pkg="fast_lio" type="livox_repub" name="livox_repub" output="screen" > <remap from="/livox/lidar" to="/livox/lidar" /> </node> --> <group if="$(arg rviz)"> <node launch-prefix="nice" pkg="rviz" type="rviz" name="rviz" args="-d $(find fast_lio)/rviz_cfg/loam_livox.rviz" /> </group> </launch>