How to create a “Group” display in rviz
http://docs.ros.org/hydro/api/rviz/ht... in this page, it described that: You can also create a “Group” display, which serves as a container for other displays. Displays in a group can be enabled and disabled together with the group’s checkbox. In this example, the “Sensor data” group has been disabled and the “Plans”
Specifically, how to do it?