June 1995
Intermediate to advanced
438 pages
10h 53m
English
Content preview from Graphics Gems V (IBM Version)
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V.7
Improving Intermediate Radiosity Images Using Directional Light
Feda Martin, Technical University of Vienna Vienna, Austria. E-mail address: feda@cg.tuwien.ac.at
This gem describes a simple extension of ambient light to directional light for the improvement of progressive refinement radiosity images ( Cohen et al. 1988). Directional light gives the user a much better impression of the scene geometry than ambient light, for only a little additional expense. The approach described here exploits the same approach as ambient light to estimate the final illumination, but includes a directional component. Although the new technique presented here is simple and gives much better results than the conventional ambient light, surprisingly it ...
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