Jazzy dropdown menu compressed option

[EmreK03]

This MR updates the behavior of the Image and PointCloud2 display dropdown in RViz2. Previously, the dropdown only listed topics of type sensor_msgs/msg/Image, so CompressedImage topics (e.g., /camera/image/compressed) were not visible, even though RViz2 could already visualize them. Same for sensor_msgs/msg/PointCloud2 and point_cloud_interfaces/msg/CompressedPointCloud2.

With this change, Compressed image and pointcloud2 topics are now included in the dropdown menu, making it easier for users to select these topics without manually typing the topic name.

Additionally, Compressed image and pointcloud2 topics are also shown in the By topic section thanks to the change in plugins_description.xml.

Image Display added by display type:

Image Display added by topic (same results):

PointCloud2 Display added by display type:

PointCloud2 Display added by topic (same results):

[Copilot]

Pull Request Overview

This PR extends RViz2's Image display plugin to support CompressedImage topics by making them visible in dropdown menus and topic lists. Previously, only standard Image topics appeared in the dropdown, requiring users to manually type CompressedImage topic names.

Key changes:

• Added CompressedImage message type to the Image display plugin description
• Modified topic filtering logic to include CompressedImage topics when Image topics are expected

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
rviz_default_plugins/plugins_description.xml	Added CompressedImage message type to Image display plugin configuration
rviz_common/src/rviz_common/properties/ros_topic_property.cpp	Updated topic filtering to show CompressedImage topics in Image display dropdown

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[lreiher]

Approved after these minor suggestions are incorporated. Will then need to rebase these commits on the upstream rolling branch and post a PR against the upstream repository.

If you like, you may do this yourself. @jpbusch can show you how and quickly discuss this with you.