Marco Hutter

Related to the "Coordinate Systems" point of https://github.com/nianticlabs/spz/issues/42 : There are some aspects about the coordinate system conventions that are not clear. Maybe some clarifications can be added via https://github.com/KhronosGroup/glTF/pull/2490

This looks somewhat similar to what I dumped into [a forum thread](https://community.cesium.com/t/fps-drop-while-rendering-sparse-point-cloud-data-as-3d-tiles/28657/8) a while ago. The goal _there_ was also to have an "average frame rate over the last `n`...

Some brainstorming in terms of the strategy (even though some of that may be obvious): Two important dimensions are 1. which part of the code will be updated 2. which...

> Even if this seems like the smallest effort up front I think of all the options this is the only one we should definitely not do. I think this...

A specific detail: Right now, it is never clear which functions are actually implementations of a certain "interface". In some cases, the JSDoc mentions something like `/** This is part...

I have not yet read through all the changes in the branches that you linked to (they are huge, as expected, and identifying _the_ actual changes will probably be easier...

There is a thread in the community forum where multiple instances of this problem have been descibed: https://community.cesium.com/t/expected-width-to-be-greater-than-0-actual-value-was-0-error/7984 As I mentioned in my first response there: The error is very...

I didn't dive into the details here (yet), but `loseContext` was already mentioned in the first post. Looking at the [documentation](https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_lose_context/loseContext) I doubted that this is the right approach: It...

Yes, the progress here is slow. I only occasionally carve out some time for this. It's all about priorities. The last commit adds some generalization for the validation issue filtering....

An example for how that fitering infrastructure could be applied is now implemented (as a draft) for `EXT_structural_metadata` and `EXT_mesh_features`. There is a function [`processCauses`](https://github.com/CesiumGS/3d-tiles-validator/blob/7f042e7637d2beb9b4d22cc799b2075deec09e3a/src/validation/gltf/structuralMetadata/ExtStructuralMetadataIssues.ts#L24) for this extension. This function...