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The SSS Render Channel stores information calculated from Subsurface Scattering materials (V-Ray Fast SSS2/V-Ray Mtl).  This render channel can then be used to enhance or color-correct just the subsurface scattering component of the image during the compositing process.


UI Path: ||V-Ray Node Editor|| > World > Render Channels > Beauty > V-Ray SSS

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Properties

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See the Render Channels page to find out where you can find these properties.


Channel Name – Customizable name for the render channel.

Enable Deep Output– Specifies whether to include this render channel in deep images.

Color Mapping – Applies the color mapping options specified in the Color Mapping rollout of the V-Ray tab in the Render Settings window to this render channel. This option is enabled by default. – 

Consider For Anti-Aliasing – When enabled, anti-aliasing is used where possible.

Filtering – –  Applies an image filter to this channel.

Derive Raw Channels – Generates data in the raw channels by combining the respective color and the filter color channels.

Vfb Color Corrections – Applies the post-render color adjustments made from the VFB.

Denoise – Enables the render channel's denoising, provided the Denoiser is enabled.

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Common Uses  

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The Subsurface Scattering render channel is useful for changing the appearance of Fast SSS2 elements after rendering in a compositing or image editing software. In the example, the scattering color is changed to red using the SSS2 RC. See the render before and after compositing.


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