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Nathan Kopp wrote in message <382a420a@news.povray.org>...
>There is a bug in UVPov, but it's probably not exactly what you'd expect.
>I'll paste in a modified version of your code that does show photons in
>media. The problem is that UVPov incorrectly handles cylinder lights. It
>does not shoot parallel rays, so the photons coming out of cylinder lights
>act more like photons coming out of a spot light. I thought I documented
>this, but I guess I didn't. The moral of the story is to use spot lights,
>not cylinder lights. I'll eventually fix cylinder lights. Someday.
>
Thanks
Mark
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