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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.

Originally posted by khansaadbinhasan on ROS Answers with karma: 94 on 2019-06-15

Post score: 2

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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.

Originally posted by ahendrix with karma: 47576 on 2019-06-15

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