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Mode – Switches between respective modes. See the Curvature Modes example below for more information.

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.

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

Sample spread – Controls the radius of the sampled region. See the Sample Spread example below for more information.

Radius – Factor determining the radius that the curvature traces. Can be used to match curvature between big and small objects.

Ignore bump – Excludes Bump maps from VRayCurvature computations. See the Ignore Bump example below for more information.

Output min color – Specifies the minimum output color value for the most concave area (the dents in the mesh). Default value is 0 - completely black. See the Output Min and Max Color below for more information.

Output max color – Specifies the maximum output color value for the most convex area (the peaks in the mesh). Default value is 1 - white. See the Output Min and Max Color below for more information.

Output gain – Multiplies the output values. See the Output gain example below for more information.

Output lift – Uniformly lightens the output values.

Output gamma – Applies gamma correction to the output values.

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

Output clamp – Clamps the Output min color and Output max color values in [0,1] range (negative values are output as 0 and values above 1 are being output as 1).