POV-Ray : Newsgroups : povray.binaries.images : Dispersion photons... No good... : Re: Dispersion photons... No good... Server Time
15 Aug 2024 22:21:06 EDT (-0400)
  Re: Dispersion photons... No good...  
From: RAY
Date: 21 Apr 2002 00:33:58
Message: <3cc24136@news.povray.org>
> I've been working on my Gerbera-Image and tried
> to use the dispersion of photons for a more realistic
> look.
> When tracing with a spacing of .0001 and using
> a dispersion of 1.01, I get something around
> 40 million photons and the saved file is
> over 750MB big.

40 Million? 4*10^8?  That's a lot.

>
> Nontheless, the effect (though I've enlargened
> the radius of a photon not by 5, as mentioned
> in the docs, but by 7) is more or less useless.
> It takes 2.5 hours to calculate the image, and the
> result just isn't worth it.
> Here's a close-up.
>
> In case you're saying: "Well, THAT close..."
>
> The image needs to be traced in extreme
> sizes, so that I can print it with a very
> good Laserprinter with incredible amount
> of detail.
>
> I'll be experimenting with three lightsources
> (one for red, green and blue) and look if I
> can get satisfying results that way.
>
> Any comments, suggestions?

Yes, jitter.

--
__________________
 RAY


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.