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Subscribe to information output to screen by Gmapping?

asked 2012-07-19 04:05:54 -0500

IFLORbot gravatar image

Is there a way to subscribe to the information output to the screen by Gmapping? It prints out a lot more information that it allows subscriptions to or services for. I want to be able to get that information without modifying the Gmapping code.

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In which datum specifically are you interested?

allenh1 gravatar image allenh1  ( 2012-07-19 04:34:27 -0500 )edit

Specifically, I'm interested in the Average Scan Matching Score and the Scan Matching Failed alert.

IFLORbot gravatar image IFLORbot  ( 2012-07-19 05:01:00 -0500 )edit

I'm unfamiliar with how to open the output in a pipe....

EDIT: After reading about ROS launch output, (either output to "screen" or "log") piping does seem to be the ONLY way. Thanks for the advice

IFLORbot gravatar image IFLORbot  ( 2012-07-19 07:23:52 -0500 )edit

@dornhege was right. I was able to pipe it into a simple publisher I wrote. Thanks. I am now opening up a new Question to see if I can add pipes to roslaunch xml files.

IFLORbot gravatar image IFLORbot  ( 2012-07-19 10:23:57 -0500 )edit

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answered 2012-07-19 05:59:49 -0500

dornhege gravatar image

IIRC gmapping does not use ROS_... output, so it is not possible by a ROS way. You could still open the output in a pipe or something like that.

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Asked: 2012-07-19 04:05:54 -0500

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Last updated: Jul 19 '12