The animation feature of POV-Ray can be used to make it a spectral
render engine. The basic idea is to render a set of gray-scale images
- each representing a specific wavelength - and finally combine them
using the CIE color match function.
To simplify this task I have created a few POV-Ray SDL scripts and some
examples.
You'll find the download link, some images and more explanation here:
http://www.lilysoft.org/CGI/SR/Spectral%20Render.htm
-Ive
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