Clearcoat

Clearcoat simulates an additional transparent layer on top of a base material, common in automotive paints, polished wood, and plastic coatings. This layer adds a second specular reflection with its own roughness and intensity values, independent of the underlying material properties.

Parameters

Display Name	Name	Type	Default
Enable Clearcoat Layer	enable_clearcoat	bool	false
Clearcoat Tint	clearcoat_tint	color	1.0, 1.0, 1.0
Clearcoat Transparency	clearcoat_transparency	float	1.0
Clearcoat Roughness	clearcoat_reflection_roughness	float	0.0
Clearcoat Weight	clearcoat_weight	float	1.0
Clearcoat Flatten	clearcoat_flatten	float	1.0
Clearcoat IOR	clearcoat_ior	float	1.56
Clearcoat Normal Map Strength	clearcoat_bump_factor	float	1.0
Clearcoat Normal Map	clearcoat_normalmap_texture	asset
Clearcoat Normal Map Color Space

OmniPBR Enable Clearcoat Layer

Enables clear coat layer.

Enable Clearcoat Layer: false

Enable Clearcoat Layer: true

OmniPBR Clearcoat Tint

Base color of the clearcoat layer.

Enable Clearcoat Layer: false

Clearcoat Tint: 1.0, 1.0, 1.0

Enable Clearcoat Layer: true

Clearcoat Tint: 0.3, 0.16, 0.16

OmniPBR Clearcoat Transparency

Weighted blend between the material and the clearcoat.

• 0 = Clearcoat

• 1 = Base material with clearcoat on top

Clearcoat Transparency: 1.0

Clearcoat Tint: 1.0, 1.0, 1.0

Clearcoat Transparency: 0.5

Clearcoat Tint: 0.3, 0.16, 0.16

Clearcoat Transparency: 0.0

Clearcoat Tint: 0.3, 0.16, 0.16

OmniPBR Clearcoat Roughness

Isotropic roughness of the clearcoat. Usually 0.

Clearcoat Roughness: 0.0

Clearcoat Roughness: 0.1

Clearcoat Roughness: 0.2

OmniPBR Clearcoat Weight

The specular reflectivity of the clearcoat layer.

Clearcoat Weight: 1.0

Clearcoat Weight: 0.5

Clearcoat Weight: 0.2

OmniPBR Clearcoat Flatten

Blends between the smooth normal and the bumped base normal.

Clearcoat Flatten: 1.00

Clearcoat Flatten: 0.55

Clearcoat Flatten: 0.00

OmniPBR Clearcoat IOR

Index of Refraction of the clearcoat layer.

Clearcoat IOR: 1.0

Clearcoat IOR: 1.56

Clearcoat IOR: 2.5

OmniPBR Clearcoat Normal Map Strength

Scalar multiplier of the Clearcoat Normal Map.

Normal Map Strength: 0.0

Normal Map Strength: 0.5

Normal Map Strength: 1.0

OmniPBR Clearcoat Normal Map

Normal map for the clearcoat layer.

OmniPBR Clearcoat Normal Map Color Space

Valid Texture Gamma Values

• raw : Use texture data as it was read from the texture and do not mark it as using a specific color space.

• sRGB : Mark texture as sRGB when reading.

• auto : Check for gamma/color space metadata in the texture file itself; if metadata is indicative of sRGB, mark texture as sRGB. If no relevant metadata is found, mark texture as sRGB if it is either 8-bit and has 3 channels or if it is 8-bit and has 4 channels. Otherwise, do not mark texture as sRGB and use texture data as it was read from the texture.