This is a simple rqt-based ROS GUI for visualizing graphviz dotcode
published over a ROS std_msgs/String
topic.
First, open the rqt_dot
GUI:
rosrun rqt_dot rqt_dot
Second, publish some dotcode from somewhere, like the command line:
rostopic pub -r 1 /dotcode std_msgs/String "data: digraph foo { a; b; a -> b; }"
Third, subscribe to a ROS topic by entering it by name and clicking
the Subscribe
button, and see the result:
You can stop updates by clicking again on the Subscribe
button.