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Adds support for dynamically deserializing ROS2 MCAP messages into arrow data.

This is done by parsing the ROS2 message definition and using the type definition to deserialize the CDR-encoded data into arrow types.

TODO:

  • Remove extra data logged in ROS2 semantic parsers

@oxkitsune oxkitsune added 📺 re_viewer affects re_viewer itself include in changelog 🧢 MCAP Everything related to the MCAP support labels Sep 29, 2025
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github-actions bot commented Sep 29, 2025

Web viewer built successfully.

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8f51633 https://rerun.io/viewer/pr/11367 +nightly +main

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@jprochazk jprochazk self-requested a review September 29, 2025 11:13
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Is this the right "spec" for ROS2? (do we care about ROS1) https://docs.ros.org/en/kilted/Concepts/Basic/About-Interfaces.html#interfaces

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