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V-Ray Falloff produces a gradient texture based on the angular falloff of the the surface of the geometry to which the texture is applied. The resulting map can simulate the falloff of opacity, reflection, and refraction for surfaces where these properties vary depending on the surface's angle to the camera, such as curved glass or water.

To create the texture, V-Ray Falloff starts with two colors, usually black and white. Placement of these colors on the surface is based on the Falloff Type and Direction Type selected. The remainder of the map is generated as a gradient between these two colors, with a gradual falloff between the colors.