studioClearCoat

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ClearCoat is a utility node that allows you to convert an RGB color into a UV coordinate offset.

This allows you to "smear" UV coordinates using a texture to define how the coordinates are remapped. To better understand how this works, the color is converted internally to the HSV "color wheel" representation, and the angle on the wheel and distance from its center are treated as polar coordinates in the UV space, which are then converted to rectangular coordinates and ouput as the resulting UV offset.

In the table below, important attributes have their names listed in bold in the description column.

This node is MP safe

gammaCorrect, surfaceLuminance, contrast, samplerInfo, setRange

bias, index, normalCamera, normalCameraX, normalCameraY, normalCameraZ, outValue, rayDirection, rayDirectionX, rayDirectionY, rayDirectionZ, scale

Long name (short name)	Type	Default	Flags
index (ix)	float	1.8
Describes the refraction properties of the material
scale (s)	float	1.55
A simple multiplier on the final result
bias (b)	float	-0.1
Controls the middle point of the contrast adjustment and is added to the final result. Increase Bias to move the middle point upwards (more of the texture becomes dark as contrast increases). Decrease Bias to move the middle point down (more of the texture becomes light as contrast increases). The computation is: final result= f(index of refraction) * scale + bias Where f(index of refraction) is the studioClearCoat computation with the index of refraction as input.
normalCamera (n)	float3	0.0, 0.0, 1.0
The current sample normal
normalCameraX (nx) float 0.0 The x component of the normal
normalCameraY (ny) float 0.0 The y component of the normal
normalCameraZ (nz) float 0.0 The z component of the normal
rayDirection (r)	float3	1.0, 1.0, 1.0
The current incident ray
rayDirectionX (rx) float 0.0 The x component of the ray
rayDirectionY (ry) float 0.0 The y component of the ray
rayDirectionZ (rz) float 0.0 The z component of the ray
outValue (outp)	float	0.0
The output value