Source code for efficiently rendering parametrically defined surfaces
Source code and generated images from my 1987 master's degree project: An Adaptive Subdivision Algorithm for the Display of Parametrically Defined Surfaces
...It has value in support of existing software and raytrace scene files, which ranges from legacy files to existing CAD software that can export 3D scenes Rayshade can build a scene for.
Files Section has a patch allowing Rayshade to build in Linux more fully / less errors than the tiny redhat patch that can be found.
The Utah Raster Toolkit is a "depends" - it needs to be installed before Rayshade builds so images can become viewable format.
http://sourceforge.net/projects/rayshade/
http://sourceforge.net/projects/rayshade-math/
http://sourceforge.net/projects/utahrastertoolkit/
NOTE: Rayshade is unmaintained so no longer competitive to povray. ...
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