单词 | bump map |
释义 | > as lemmasbump map bump map n. (in computer graphics) a file specifying how a given computer-generated object is to be illuminated so as to provide it with a textured appearance, typically taking the form of a greyscale image in which the shade of each pixel determines how brightly a corresponding pixel on the surface of the object is illuminated; cf. bump mapping n. ΚΠ 1985 Computer Graphics (ACM SIGGRAPH) 19 No. 3 305/1 Bark is simulated with a bump map digitized from real world bark. 1999 PC Mag. 1 Sept. 44 The bump map simulates directional lighting and creates an illusion of depth in a rough surface. 2011 A. Chopine 3D Art Ess. xi. 159 Bump maps are sufficient for shallow types of roughness such as from a brick, an orange, or a golf ball. < as lemmas |
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