What do the oval and rectangular shapes in rqt_graph output signify ?

asked 2015-12-27 10:43:17 -0500

mayank_m gravatar image

I have just started learning ROS. While analysing the output of rqt_graph I found rectangular and oval shapes in the figure. Till now what I have figured is that the rectangular boxes imply topic names and each oval shape being a node either subscribes or publishes to the topic. However there are some arrows between two oval shapes which I cannot decipher.

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Can you post a screenshot or let us know the names of these two topics? (You are right that boxes are topics and ovals are nodes)

ps4321 gravatar image ps4321  ( 2016-01-11 00:27:59 -0500 )edit