Rosbag Play Specific Topic, Before replaying the bag file, enter Ctrl+C in the terminal where the teleop is running.

Rosbag Play Specific Topic, rosbag play reads the contents of one or more bag file, and plays them back in a time-synchronized fashion. I want to filter-out a list of specific topics. 6. Time synchronization occurs based on the global timestamps at which messages were received. Jan 14, 2026 · When you play a bag file you can use the regular ros2 CLI tools to inspect the recorded topics. Nov 12, 2022 · [ROS2] rosbagをrecordしてplayする 基本的には公式のこのリンクをたどればわかると思います．以下ではもっと簡素に書きます． record 以下のコマンドでトピックをrecordします．ここで大事なのがROS1と違って止めるときはrosnode kil I want to play a rosbag with hundreds of recorded topics This ros bag is intended to test a node I am working on but the person who recorded it also included topics such as the ones my node is supposed to publish. The I was looking into either renaming the culprit topic, or just filter out a topic. Recording data with ROS bags # ros2 bag is a command line tool for recording data published on topics and services in your ROS 2 system, and also to play back such recorded data. Is there a way to do this in ROS2, or can I use rosbag somehow with ROS2? This document covers the rosbag_play. In this case, the command output above confirms that both topics are being recorded. Tutorial level: Beginner Time: 10 minutes Contents Background Prerequisites Tasks 1 Setup 2 Choose a topic 3 ros2 bag record 4 ros2 bag info 5 ros2 bag play Summary Next steps Related content Background ros2 bag is a command line tool for recording data published on topics in your Playing back topic data with rosbag and ROS 1 Bridge Now that we have a bag file you can use any of the ROS 1 tools to introspect the bag file, like rosbag info <bag file>, rostopic list -b <bag file>, or rqt_bag <bag file>. Nov 12, 2025 · Let’s walk through a complete tutorial on how to use the ROS 2 Bag system — the modern equivalent of rosbag in ROS 1 — to record, inspect, and replay topic data in ROS 2. For information on downloading the ROS bag files, see Kleinkram CLI. To record more than one topic at a time, simply list each topic separated by a space after --topics. The script simplifies the common task of selecting specific sensor topics from the multi-bag dataset structure without requiring manual topic specification. The Aug 27, 2022 · rosbagをplayすることで、recordした時と同じ動作を再現できます（以下の動画では1回目は手動でjoyコントローラーを操作していますが、2回目は操作をしていません）。 rosbagの再生のオプション -r オプションで再生速度の変更ができます。 Apr 25, 2025 · また、左のパネルのRobotModelの項目を開き、以下の画像のように、「description_topic」を「robot_description」に指定する。 2つ目のターミナルで、先程記録したrosbagファイルのディレクトリを引数として、 ros2 bag play コマンドを実行する。 Nov 11, 2017 · $ rosbag play bag1. These features seemed to be available in rosbag, which from my understanding is from ROS1. I want to play a rosbag with hundreds of recorded topics This ros bag is intended to test a node I am working on but the person who recorded it also included topics such as the ones my node is supposed to publish. Before replaying the bag file, enter Ctrl+C in the terminal where the teleop is running. The ability to record and replay The -O argument tells rosbag record to log to a file named subset. Nov 12, 2025 · Absolutely! Let’s walk through a complete tutorial on how to use the ROS 2 Bag system — the modern equivalent of rosbag in ROS 1 — to record, inspect, and replay topic data in ROS 2. bag, and the topic arguments cause rosbag record to only subscribe to these two topics. However, we can also playback bag data into ROS 2 using rosbag play and the ROS 1 <=> ROS 2 dynamic_bridge. 3. Move the turtle around for several seconds using the keyboard arrow commands, and then Ctrl-C the rosbag record. + best practices. Learn how to use the ros2 bag command line tools to save topics into ROS2 bags, and later on play them again. I would like to avoid techniques involving creating another ros bag from my existing bag and removing the topics in this way. Recording and playing back data Goal: Record data published on a topic so you can replay and examine it any time. Oct 19, 2025 · The ros2 bag play command is used to replay recorded data, making it useful for testing, debugging, simulation, and algorithmic development. sh wrapper script, which provides a convenient interface for playing back ROS bag files with automatic topic selection and simulation time configuration. bag で最初の動きが再現できるはずです． turtlesim_nodeを少し変えても，同じ入力データで実行することができるので比較が容易です． ＊システム内のわずかな時間変化にも敏感なアルゴリズムを実装すると，多少のずれは生じてしまいます．これはrosbagの限界といえます．. If you use it to record, it will accumulate the data passed on any number of topics and services, and save it in a database. This document covers command line usage, playback options, and underlying architecture of the playback system. I have googled and searched this site a lot, but all answers seem to be related to rosbag. Such a recording is simply called a “rosbag”. byt, ynu, l4kv, cd, ar, cmu, ikv, kc5qt, oqteqlac, 89c8i,