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How to analyse the control and flow of data in a ROS node ?

asked 2015-12-31 08:50:50 -0500

mayank_m gravatar image

I want to analyse as to how control and data transfer takes place to and from a particluar node. I want to know which are the external nodes trying to communicate with this particular node and how does this interaction take place. P.S:- I am quite beginner in ROS and have just started learning it.

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answered 2015-12-31 10:33:14 -0500

updated 2015-12-31 10:34:18 -0500

rqt_graph displays this kind of information

http://wiki.ros.org/rqt_graph

http://wiki.ros.org/ROS/Tutorials/Und...

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answered 2016-01-04 03:34:27 -0500

Procópio gravatar image

Besides using rqt_graph, as suggeste by @nickw, you can also use the rosnode info command:

rosnode info /node_name

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Asked: 2015-12-31 08:50:50 -0500

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Last updated: Jan 04 '16