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Image Texture with OCIO IDTs (Input Color Space)

PostPosted: Mon Oct 31, 2022 9:50 am
by EyasArraf
Hi, I used Houdini and Octane 2021.1.6 to export a scene as ORBX to RNDR. I doubled checked the file in Octane Standalone. All worked fine.
Problem: I got some weird results with the Image Textures I used.
The main issue was with the textures that used OCIO (ACES 1.2) Input Transform as its Input Color Space inside the Image Texture nodes.
The render engine on RNDR handled these textures as No Input (Value 0.0).

My Question: Does RNDR support any version of OCIO (like ACES 1.0.3 or ACES 1.2)? If no, How do you suggest to deal with ACEScg Color Textures(bitmaps)? and When will RNDR support OCIO IDTs (Input Device Transforms)?
Thank You

Re: Image Texture with OCIO IDTs (Input Color Space)

PostPosted: Tue Sep 26, 2023 11:26 am
by DinoMuhic
Render does not support OCIO IDTs
But it should be able to select ACEScg or ACES 2065-1 as the color space for the image in the image texture node, since octane supports those two natively.

If that doesn't work for you, reach out to the Render support using the chat box on the website.

One tip though: you don't need to pre-convert your image textures to ACES for Octane. Octane is totally capable to use normal sRGB or linear sRGB images (if you need HDR) inside an ACES project, since Octane is a spectral renderer.