In article <slr### [at] fwicom>,
 Ron Parker <ron### [at] povrayorg> wrote:

> Polarization wouldn't be much harder to deal with than dispersion, though
> birefringence might make it a little more interesting.

Wouldn't you have to keep track of the amount of light polarized along 
each plane? Probably with some kind of spline relating intensity of 
light to angle of polarization? A lot more data for each ray...

-- 
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Christopher James Huff <chr### [at] maccom>

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