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RenderMan (pxrSurface) export template is not color managed correctly in 7.4

New Here ,
Dec 03, 2021 Dec 03, 2021

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Hello,

 

I am writing to bring your attention to a bug in the new addition of OCIO support in the latest release (7.4). I author materials using the PBR Metallic Rough shader in Substance, and I export my textures to RenderMan. In the export process, Substance automatically converts the 'Base Color' and 'Metallic' channels into the 'Diffuse' and the 'Specular' channel for use with the PxrSurface shader. However, despite the 'BaseColor', 'Diffuse', and 'Specular' channels all being color managed correctly when viewing them in the Texture Set Settings, the 'Diffuse' and 'Specular' channels that are converted automatically from the 'BaseColor' and 'Metallic' are not color managed and it will not allow for exporting them in any color space other than 'raw'.

 

PxrSurfaceExportTemplate_colorMgmt2.pngpxrSurfaceExportTemplate_colorMgmt.pngACESColorMgmt_options.png

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Bugs & Crashes , Color Management , Import & Export

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New Here ,
Dec 03, 2021 Dec 03, 2021

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The colors I used to circle the channels are extremely confusing, I apologize. The two yellow circles in the export template image correspond to the two blue circles in the other image.

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Community Beginner ,
Jan 19, 2022 Jan 19, 2022

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In the configuration you need to set  the Export Color space for 8 bit textures to Utility - sRGB - Texture, just as you have for the 8-bit Input color space.

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