Min-max range for Turbo colormap doesn't make sense for depth images

[nikolausWest]

Depth images logged as int16 currently get a way too high-max value for colormaps (Turbo only in 2D views). This makes the colormaps close to useless as they end up giving close to uniform colors.

Examples:
2D view

Same depth image backprojected with Turbo colormap

[emilk]

I fail to reproduce.

This is nyud, with the points invisible, and Backproject Depth turned on:

The turbo colormap works well, and the 2D view has no colormap, since we haven't gotten to that yet:

• Do all color-mapping on the GPU #1612

[nikolausWest]

@emilk

I'll get an easier repro for you asap but in the mean time, has something changed so we don't use turbo by default for depth images? We set turbo as default for depth images here:

• Use Turbo color map for 2D depth images #351

[emilk]

We seem to only use it onlyfor float depth images, not integer depth images. I can make a fix for that.

• Apply color maps to all types of depth tensors #1686

[nikolausWest]

For repro, just try:

• Add new ARKitScenes example #1538

[emilk]

arkitscenes have somehow been fixed by my recent PRs:

I'll merge main into the branch

[nikolausWest]

arkitscenes have somehow been fixed by my recent PRs:

Fantastic! Best kind of fix =)