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The Random Color Map parameter allows the user to provide a texture map for randomizing the stochastic flakes colors. It is only accessible when Colored Flakes is set to Random from Map. Random colors are generated by sampling the horizontal row of pixels at the very top of the map along the U-axis. The sample area is only 1 pixel tall; the rest of the map is ignored.
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The example below illustrates how the same ramp produces different flake color results, depending on the ramp type. A U Ramp produces multi-colored flakes, while a V ramp produces single-color flakes. The Stochastic Flakes Material is used as the base material of a Blend Material with a lightly reflective V-Ray Material as the coat.
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