September 2021
Intermediate to advanced
716 pages
23h 12m
English
Content preview from Fundamentals of Computer Graphics, 5th Edition
255
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11 Texture Mapping
When trying to replicate the look of the real world, one quickly realizes that hardly any surfaces are featureless. Wood grows with grain; skin grows with wrinkles; cloth shows its woven structure; and paint shows the marks of the brush or roller that laid it down. Even smooth plastic is made with bumps molded into it, and smooth metal shows the marks of the machining process that made it. Materials that were once featureless quickly become covered with marks, dents, stains, scratches, fingerprints, and dirt.
In computer graphics, we lump all these phenomena under the heading of “spatially varying surface properties”—attributes of surfaces that vary from place to place but don’t really change ...
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