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The VRaySSS2 Render Element stores information calculated from Subsurface Scattering materials (VRayAlSurfaceMtl and VRayFastSSS2).  This render element can then be used to enhance or color-correct just the subsurface scattering component of the image during the compositing process.


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titleUI Path: ||Render Setup window|| > Render Elements tab > Add button > VRaySSS2

 

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Parameters    

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This render element is enabled through the Render Elements tab of the Render Setup window in 3ds Max and displays its parameters in a rollout at the bottom of the window:

VRayVFB – When enabled, the render element appears in the V-Ray Virtual Frame Buffer.

Deep output – Specifies whether to include this render element in deep images.

Color mapping – Applies the color mapping options specified in the Color mapping rollout (Render Setup window > V-Rat Ray tab) to this render element. This option is enabled by default.

Multiplier – Sets the overall intensity of the render element, where 1.0 is the standard multiplier.

Denoise –  Specifies whether to denoise this render element.

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Common Uses  

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The Subsurface Scattering Render Element is useful for changing the appearance of SSS2 elements, after rendering, in a compositing or image editing software. Below is an example of its use. 

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Subsurface Scattering Render Element 

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Original Beauty Composite

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Color of Subsurface Scattering on the candles changed

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In the example, the scattering color is changed to red using the SSS2 RE. See the render before and after compositing.

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Compositing Formula

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The VRaySSS2 Render Element is added to the Beauty render composite to form the final image.

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