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Mode – Switch between respective modes. See the Curvature Modes example below.

Legacy – Does not distinguish if the mesh is curving outward (convex) or inward (concave) but instead takes into account only the amount of overall curvature.
Convex – Generates a grayscale based on the mesh's outward curve.
Concave – Generates a grayscale based on the mesh's inward curve.
Both – Generates a red-green gradient based on both the mesh's convex and concave. Red corresponds to the mesh's convex and green corresponds to the mesh's concave.

Radius – Controls the factor which determines the radius that the curvature traces. Can be used to match curvature between big and small objects.

Sample Spread – Controls the radius of the sampled region.

Color Min – Specifies the minimum output color value for the most concave area (the dents in the mesh). Default value is 0 - completely black.

Color Max – Specifies the maximum output color value for the most convex area (the peaks in the mesh). Default value is 1 - white.

Gain – Multiplies the output values.

Lift – Uniformly lightens the output values.

Gamma – Applies gamma correction to the output values.

Pivot – Pivots the value to the gamma correction (output values equal to the pivot value are left unchanged).

Clamp – When enabled, clamps the Color Min and Color Max values in [0,1] range (negative values are output as 0 and values above 1 are being output as 1).

Ignore Bump – When enabled, excludes Bump maps from V-Ray Curvature computations.

Subdivs – Controls the number of samples around each shaded point.