![]() ![]() ![]() The normal map is a color image, where the red, green, and blue channels correspond to one vector axis in 3D space ( tangent, bitangent, and normal). See below the bump map example for visualization of the effect. It offers less control and less precision over the shading effect. However, because of the different way it stores information, it generally offers lower-quality effect in comparison to normal maps. Bump mapping offers a quick and efficient way to add surface detail. Darker colors make for a depth effect, while lighter colors correspond to bumps. It simulates light and shadow areas on the surface to create the effect. Displacement generates better detail than bump and normal mapping, but bump and normal mapping renders faster than displacement and consumes a lot less memory than displacement.īump mapping uses a grayscale image to determine which point of the surface is a bump and which is a dent. Unlike displacement, which creates additional polygons, bump and normal mapping create surface alterations without modifying the underlying geometry. This article explains how bump and normal mapping works in V-Ray.īump and normal mapping are shading effects that add surface detail. ![]()
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