3D World

03 com­bine Maps


Bump and dis­place­ment maps can be used in con­junc­tion with one an­other. For ex­am­ple, when us­ing dis­place­ment maps to add true re­lief to a land­scape, a bump map can be used to add ad­di­tional noise to the sur­face. This takes some of the com­pu­ta­tional weight away from the dis­place­ment map, al­low­ing faster per­for­mance for neg­li­gi­ble im­age loss. Un­der­stand­ing the prop­er­ties of when and where to use bump and dis­place­ment maps can rad­i­cally im­prove mod­els and scenes.

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