XTDrone/sensing/slam/laser_slam/laser_scan_matcher/launch/matcher.launch

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<launch>
<arg name="IS_TWISTSTAMPED" default="true" />
<arg name="use_rviz" default="true" />
<arg name="publish_covariance" default="false"/>
<param name="/use_sim_time" value="true"/>
<param name="/stamped_vel" value="$(arg IS_TWISTSTAMPED)"/>
<group if="$(arg use_rviz)">
<node pkg="rviz" type="rviz" name="rviz"
args="-d $(find laser_scan_matcher)/demo/matcher.rviz"/>
</group>
#### start the laser_scan_matcher ##############################
<group if="$(arg publish_covariance)">
<param name="laser_scan_matcher_node/do_compute_covariance" value="1"/>
<param name="laser_scan_matcher_node/publish_pose_with_covariance" value="true"/>
<param name="laser_scan_matcher_node/publish_pose_with_covariance_stamped" value="true"/>
</group>
<node pkg="laser_scan_matcher" type="laser_scan_matcher_node"
name="laser_scan_matcher_node" output="screen">
<param name="fixed_frame" value = "odom"/>
<param name="base_frame" value = "base_link"/>
<param name="max_iterations" value="10"/>
<param name="use_imu" value="false"/>
<param name="use_odom" value="false"/>
<remap from="scan" to="iris_0/scan"/>
<remap from="pose2D" to="iris_0/pose2D"/>
</node>
</launch>