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VRayOCIO is a texture that allows users to apply apply OpenColorIO (OCIO) color transformations to textures in 3ds Max to manage their look.

In the example shown, an aces_1.0.1.13.ocio file is used to define the output colors of the texture.

 

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titleUI Path: ||Material Editor|| > Material/Map Browser > Maps > V-Ray > VRayOCIO

 

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Parameters

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Basemap – The base texture that will be corrected.

OCIO config – Manually specifies an OCIO configuration. If not specified, the OCIO environment variable is used.

Input output selection – Determines how the input and output color spaces are specified:

by color space – The user specifies the input and output color spaces directly.
by role – The user specifies the input and output color space depending on the task that they want to perform as defined in the OCIO configuration.

Mode – Specifies what color transformations to be performed:

ColorSpace – The texture performs color space conversions.
CDL – The texture performs an ASC CDL transformation. CDL stands for "Color Decision List" which is a color grading information exchange format developed by the ASC (American Society of Cinematographers).
FileTransform – The texture performs a color transformation based on another file (i.e. .3dl, .lut, .cube etc).
LogConvert – The texture performs log2lin or lin2log conversion.
Display – The texture performs color space conversion for display.
Look – The texture performs a look transform. The OCIO config must define looks for this mode to work.

Reload – Reloads the OCIO configuration.

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