Rosbags record parameter server data?

asked 2019-06-15 20:59:16 -0500

khansaadbinhasan
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I am working with some rosbags, rosbag info shows that there are some dynamically reconfigurable parameters which i want to configure but these parameters are not shown when i use rosparam list. In the documentation it was mentioned that rosbags record data on the topics mentioned with rosbag record, so my question is-

Do rosbags record data other than the data they get by subscribing on the topics?

Specific information- I am using Ubuntu 16.04, ROS kinetic, the rosbags were taken from Velodyne VLP-16 LIDAR, I am not sure about the drivers/packages used with VLP-16 since i was only provided with the bags.

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answered 2019-06-15 21:36:25 -0500

ahendrix

47576 ●179 ●367 ●662 http://namniart.com/

ROS bags only record topics; they do not record parameters or service calls.

I'm not aware of any tools that can re-use the dynamic reconfigure topics that may be stored in a bag file.

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answered 2020-09-30 19:16:47 -0500

sebmascha
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You can extract some configuration from the rosbag if you're using hermes with:

rosrun hermes extract_config.py some_scribe_log.bag > some_scribe_log_config.yaml

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What is hermes, where can I find it?

asherikov ( 2020-12-17 09:07:56 -0500 )edit

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Rosbags record parameter server data?

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