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authors Brotman, Shapiro Lynne and Badler, Norman I.
year 1984
title Generating Soft Shadows With a Depth Buffer Algorithm
source IEEE Computer Graphics and Applications. October, 1984. pp. 5-12 : ill. includes bibliography
summary The authors take a pragmatic approach to shadowing and describe an algorithm that combines an existing shadowing method with a popular visible surface rendering technique, called a 'depth buffer,' to generate soft shadows resulting from light sources of finite extent. Their method extend Crow's shadow volume algorithm to produce multiple shadows overlapped to yield the characteristic soft edges of a shadow penumbra
keywords rendering, algorithms, shadowing, computer graphics
series CADline
references Content-type: text/plain
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