launch file for rxbag

rxbag
launch

asked 2012-04-20 04:43:18 -0600

apalomer
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updated 2012-07-02 13:47:45 -0600

mjcarroll

6414 ●68 ●78 ●100 http://mjcarroll.io/

Hello, I want to launch rxbag from a launch file and load the appropiate data directly. is that possible? I've been looking but I found no examples or anything about launching rxbag from a launchfile.

Cheers!

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answered 2012-04-21 07:58:45 -0600

Yogi
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<node pkg="rosbag" type="play" name="play" args="--bag /path/to/your/filename.bag --rate 0.5"  />

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answered 2012-04-20 05:23:58 -0600

Lorenz

22731 ●129 ●202 ●316 http://ias.in.tum.de/p...

updated 2012-04-20 05:24:41 -0600

<launch>
  <node name="rxbag_1" pkg="rxbag" type="rxbag" args="foo.bag"/>
</launch>

Although working, this throws a few exceptions because rxbag doesn't seem to ignore ros command line parameters such as __name and __log although it should...

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This is bad because rxbag is the gui program responsible for visualizing bag files, and you are asking it to play the bag. That would probbaly explain all the exceotions you are getting. Better/correct way is to just use the play node in the rosbag package, as shown in answer.

Yogi ( 2012-04-21 08:05:29 -0600 )edit

The question was explicitly asking for rxbag and there are already plenty of examples showing how to use rosbag in roslaunch so my answer is correct. Btw it is not totally uncommon to start gui apps from roslaunch. See rviz.

Lorenz ( 2012-04-21 08:48:50 -0600 )edit

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