ROS 2 Rosbag

What is ROS 2 Rosbag

Rosbag is a tool for recording and replaying topic data. It is important because it enables debugging, analysis, and testing by capturing live data streams and replaying them for offline evaluation or simulation.

The command to record a topic

ros2 bag record /{topic to record} -o {filename}

The command to play back a topic

ros2 bag play {filename}

The command to get information about a recording

ros2 bag info {filename}