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What does ALPHA MAPPING mean? ALPHA MAPPING meaning - ALPHA MAPPING definition - ALPHA MAPPING explanation. What is the meaning of ALPHA MAPPING? What is the definition of ALPHA MAPPING? What does ALPHA MAPPING stand for? What is ALPHA MAPPING meaning? What is ALPHA MAPPING definition?

Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.

Alpha mapping is a technique in 3D computer graphics involving the use of texture mapping to designate the amount of transparency/translucency of areas in a certain object.

Alpha mapping is used when the given object's transparency is not consistent: when the transparency amount is not the same for the entire object and/or when the object is not entirely transparent. If the object has the same level of transparency everywhere, one can either use a solid color alpha texture or an integer value.

The alpha map is often encoded in the alpha channel of an RGBA texture used for coloring instead of being a standalone greyscale texture.