Nice! What would be the source of the color then? Your light looks white or 
perhaps vaguely blue. The only time I've seen much color in prisms is when 
they are optically active and the light is polarized. Now make POV do that! 
:)
DLM

"Steven Pigeon" <pig### [at] iroumontrealca> wrote in message 
news:428161d0@news.povray.org...
>
> I have shot about 1Gb of photons, the shadows /
> reflection seems very accurate, but despite dispersion
> (and a rather dispersion_samples setting) the highlights
> do not show color, except when pointing at the camera.
> How so? ( I'm using 3.5 for windows... time to upgrade?)
>
>    interior
>     {
>      ior 2.0
>      dispersion 1.15
>      dispersion_samples 50
>
>      fade_distance 5.0
>      fade_power 2.0
>
>      caustics 2
>     }
>
>
> -- 
> Steven Pigeon, Ph. D.
> ste### [at] stevenpigeoncom
> ste### [at] videotronca
>
>

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