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Parameters
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The example above shows how to produce negative luminosity delta using two VRayCompTex maps. The second VRayCompTex map is plugged as a Source B to the first VRayCompTex map. The Operator is set to Subtract (A-B). |
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Note that in the Difference and Subtract modes, the alpha channel is also taken into consideration and the final result for the color is |R1-R2| |G1-G2| |B1-B2| |A1-A2|. The default value of the alpha channel of 1 for both images in this case produces 0 as a result. |
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Example: Multiplier for Add (A+B) operator
In this example the VRayCompTex is composed from a VRayEdgesTex as Source A and a VRayColor2Bump (a wooden bitmap texture) as Source B with an Add (A+B) Operator.
The Multiplier of the VRayCompTex controls the appearance of the wooden bump texture referred to the rounded corners of the boxes.
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Example: Multiplier for Difference (|A-B|) operator
This example shows the Difference A-B Operator. Source B is subtracted from Source A, to always get a positive value.
Blending with black produces no change, as values for all colors are 0. Blending with white inverts the image.
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Common Uses
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