"Andy Cocker" <big### [at] mariner9fsnetcouk> wrote...
> Okay, I did it... went from 1 hr to 11 hrs. It's barely noticeable, but
> that's what was suggested. Should I make the effect more obvious? I used
> dispersion 1.01... disp_nelems 40
>
> Andy Cocker

In MegaPov, to enable dispersion for photons, you NEED to specify a
color_map in the light_source.  There's a macro in one of the MP demo files
that you can use to aid in creating the spectrum.  I think the demo file is
called prism.pov.

-Nathan

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