On Mon, 05 Jul 2004 11:35:34 -0600, Anthony D. Baye  

<ant### [at] sdsmtedu> wrote:
>
> I get odd results when rendering with photons, though.  It seems to
> treat the transparent surfaces as though they were opaque (that is, th
e
> surfaces are still transparent, but the light doesn't seem to get
> through.  I get a solid shadow on the ground to the left instead of
> having a lighter area for the dome, and a colored shadow for the
> crystal.), and nothing I do fixes the problem.  If anyone has an Idea
> about what I can do to fix this, I'd appreciate suggestions.

Do you have photons { pass_through } on the dome and the crystal?

Reactor recommended using an ior for the water.  In fact, i don't believ
e  

you'll get any results at all without an ior.  Fresnel reflection,  

refraction, and refractive caustics are dependent on the material's inde
x  

of refraction, and POV-Ray will not calculate these effects without one.


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