After designing the URDF, we can view it on RViz. We can create a view_demo.launch launch file and put the following code into the launch folder. Navigate to the mastering_ros_robot_description_pkg/launch directory for the code:
<launch> <arg name="model" /> <param name="robot_description" textfile="$(find mastering_ros_robot_description_pkg)/urdf/pan_tilt.urdf" /> <param name="use_gui" value="true"/> <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...