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                                            Ryan

GDALIsLineOfSightVisible(): points exactly on the DEM surface are never visible

Hello thank you for the detailed report. This seems like a correct change. I'll fix it, add docs, and a test.

MAVProxy sending invalid terrain data above 60N

Is this still an issue?

tf2_tools.view_frames and tf2_ros.tf2_monitor - allow configurable topics

Thanks, I'll put this together. Please assign me.

Usage of tf2 outside of ROS (evaluation for Basis)

Hi Kyle, Do you have a motivation for trying to avoid dependency on ROS generated messages? It's a build time dependency, but at runtime, the message files only use the...

Add colcon arguments for selecting packages to build

This would be very handy to be automatic. For `grid_map`, on `rolling`, which relies on a small number of packages from `nav2`, it ends up building much more than necessary:...

CPU usage 4x higher in ROS 2 than ROS 1

I'll do my best to find a way to reproduce this in SITL, outside of our hardware. We suspect that changing executors may help.

CPU usage 4x higher in ROS 2 than ROS 1

The events executor in ROS 2 jazzy helps a lot, but seemed to cause service failures only in mavros. It's a oneline change to switch from the multithreaded executor to...

Add alternative terrain data that is not in terrain_models

I found some on https://www.swisstopo.admin.ch/en/height-model-swissalti3d. We can use the data, just need to include their license information on the dataset. It doesn't have color, that's ok. I downloaded some for...

Support for aerial coverage plans

All good! I'd love to try seeing if we can apply any existing 2d planners and just fly at a fixed altitude.

Consider not accessing run/exec dependencies during colcon build

I'd be a fan of this. We are trying to speed up our production runtime builds that only use exec_depend