Rendering Trees from Precomputed Z-Buffer Views (1995)
| Venue: | In Eurographics Rendering Workshop |
| Citations: | 55 - 1 self |
BibTeX
@INPROCEEDINGS{Max95renderingtrees,
author = {Nelson Max and Keiichi Ohsaki},
title = {Rendering Trees from Precomputed Z-Buffer Views},
booktitle = {In Eurographics Rendering Workshop},
year = {1995},
pages = {45--54}
}
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Abstract
Parallel projection z-buffer images are precomputed for a number of preset viewing directions on the unit sphere. Using the depth information, we can reconstruct a 3-D point from each image pixel. Then parallel or perspective views can be found from any other viewpoint by rotating the 3-D points from the nearest three or four precomputed views into the proper position and projecting them onto an output z-buffer. A temporary z-buffer image, constructed in the same way for a viewpoint at the light source, is used for a z-buffer shadow algorithm.
