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romainm50382002
Participant
September 7, 2022
Answered

ACES Workflow - Painter to Arnold - HDRi

  • September 7, 2022
  • 1 reply
  • 835 views

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

This topic has been closed for replies.
Correct answer sharktacos

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.

 

1 reply

S
sharktacosCorrect answer
Inspiring
September 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.

 

R
romainm50382002Author
Participant
September 30, 2022

Thanks for your reply. I'll do this.

Regards.

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