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How to save topics in file?

asked 2014-05-14 02:05:43 -0500

yasamin gravatar image

I want to save these topics in file :/amcl/parameter_descriptions /amcl/parameter_updates

what can i do?

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answered 2014-05-14 02:21:41 -0500

BennyRe gravatar image

rosbag is the thing you are looking for.

Good described in this tutorial.

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Thank you I have a problem with these :rosbag record -a when i type these command give me these error :[ WARN] [1400075193.299487382]: /use_sim_time set to true and no clock published. Still waiting for valid time... what can i do??

yasamin gravatar image yasamin  ( 2014-05-14 03:55:10 -0500 )edit

It sounds like you have (or had) a simulator running, but for some reason it isn't publishing the clock topic, or your rosbag node can't subscribe to it. You should make sure the simulator is running, and see if there are any messages published to /clock

ahendrix gravatar image ahendrix  ( 2014-05-14 06:43:49 -0500 )edit

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Asked: 2014-05-14 02:05:43 -0500

Seen: 2,196 times

Last updated: May 14 '14