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ACES Workflow - Painter to Arnold - HDRi

New Here ,
Sep 07, 2022 Sep 07, 2022

Hi,

I got few questions on how to use the HDRi maps in Painter (and Maya 2022 and Arnold).

What colorspace do I have to choose, if I want to get the exact same result for my asset in Painter and Arnold 

  • If my HDRi map is already preconverted in ACES
    • in Painter ?
    • in Maya ?
  • If my HDRi map isn't preconverted ( I guess that's the case for default maps like Tomoco, Panorama...)
    • in Painter ?
    • in Maya ?

Hope it's clear. Thahks

TOPICS
Color Management , Discussion
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correct answers 1 Correct answer

Explorer , Sep 11, 2022 Sep 11, 2022

If you are working in ACES then HDRI maps need to be in the working color space: ACEScg. Many HDRI maps found on the web are in sRGB/Rec709 scene-linear so they need to be converted into ACEScg.  So the input transform would be Utility - Linear sRGB/Rec.709.

 

To get the same result in both programs you need to input the maps the same way in both.

 

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Explorer ,
Sep 11, 2022 Sep 11, 2022

If you are working in ACES then HDRI maps need to be in the working color space: ACEScg. Many HDRI maps found on the web are in sRGB/Rec709 scene-linear so they need to be converted into ACEScg.  So the input transform would be Utility - Linear sRGB/Rec.709.

 

To get the same result in both programs you need to input the maps the same way in both.

 

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New Here ,
Sep 30, 2022 Sep 30, 2022
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Thanks for your reply. I'll do this.

Regards.

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