- Recording and playing back data
This tutorial will teach you how to record data from a running ROS system into a .bag file, and then to play back the data to produce similar behavior in a running system
- Reading messages from a bag file
Learn two ways to read messages from desired topics in a bag file, including using the really handy ros_readbagfile script.
- Producing filtered bag files
This tutorial will cover using rosbag filter to filter bag files into new bag files using topic and data information
- How to export image and video data from a bag file
This tutorial explains how to export image messages from a bag file into a series of jpeg images and then goes on to show how to encode them into an OGG Theora video.
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