Rviz mapping.launch

<launch>
        <arg name="gui" default="False" />
        <param name="robot_description" textfile="$(find floor_hugger)/model/floor_hugger.urdf" />
        <param name="use_gui" value="$(arg gui)"/>
        <node name="joint_state_publisher" pkg="joint_state_publisher" type="joint_state_publisher" />
        <node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
        <node name="rviz" pkg="rviz" type="rviz" args="-d $(find floor_hugger)/config/active_mapping.rviz" required="true" />
</launch>