* Adding support for labeling terrains. Does not support labeling trees or details.
* Adding terrains to test projects. Updating projects to 2019.4.12f1
* Updating docs and changelog.
* Fixing up URP SampleScene.unity
* Attempting to fix pip installs of unity-downloader-cli
* Switching to rtx2080
* WIP self-occlusion checks.
* More updates for self-occlusion
* Almost working using compute shaders. Need to switch to regular rendering now.
* Kind of working!
* Ok, officially working now
* Adding some tests for self-occlusion. Some fixes in KeypointLabeler
* Fix issues with orthographic views and points close to far plane
* Fixing remainder of tests.
* Removing comments
* Fixing issues in URP with orthographic view
* Updating JointLabel
* Updating JointLabel to include self-occlusion distance and drop the reference to the keypoint label config
* Adding gizmos for keypoints
* Adding and fixing remainder of tests.
* Fixing various bugs in keypoint self occlusion, including (hopefully) properly supporting player builds
* Fixing issues with large numbers of keypoints.
* Fixing issue with resizing buffers
* Add search for non-background pixel to keypoint depth check. Not perfect, but catches a few edg...