POV-Ray : Newsgroups : povray.newusers : How to get preserve color through an intersection call? : Re: How to get preserve color through an intersection call? Server Time
7 Jul 2024 07:15:28 EDT (-0400)
  Re: How to get preserve color through an intersection call?  
From: Brad
Date: 10 Oct 2010 02:40:01
Message: <web.4cb15f9a627fd6a8d8a4ae570@news.povray.org>
Alain <aze### [at] qwertyorg> wrote:

>
> > I'm thinking of another aproach:
> > Have only a plain sphere and place a collection of tight spot_light in
> > it's center. Add double_illuminate to make the spots visible on the
> > surface. Add no_shadow so that the beams can continue outside of the
> > sphere.
> > You use the points that you have presently as the point_at for the spots.
> > Now, any duplicate will be obvious due to the increased lighting.
> >
> >
> >
> > Alain
>
> Using that, I got some dramatic speed improvement, about 20 times faster.
> The only thing been that if you want to see the bright spots the sphere
> can't be black. It can be dark and using fading lights that are very
> bright at short distance the spots will show as bright coloured areas.
>
>
> Alain

Thanks for all those additional suggestions and the catching of duplicates
Alain, I really appreciate it! I'm out of town at the moment but I look forward
to playing around with some of your suggestions once I get back.


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