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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Parallax occlusion mapping (POM) is an enhancement of the parallax mapping technique. Parallax occlusion mapping is used to procedurally create 3D definition in textured surfaces, using a displacement map (similar to a topography map) instead of through the generation of new geometry. This allows developers of 3D rendering applications to add 3D complexity in textures, which correctly change relative to perspective and with self occlusion in real time (Self-shadowing is additionally possible), without sacrificing the processor cycles required to create the same effect with geometry calculations.

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