POV-Ray : Newsgroups : povray.unofficial.patches : Photon Patch Bug Report : Re: A question about dispersion ... Server Time
3 Sep 2024 00:13:59 EDT (-0400)
  Re: A question about dispersion ...  
From: Nathan Kopp
Date: 8 Apr 1999 11:36:06
Message: <370CBE17.4B7BE870@Kopp.com>
Michael Andrews wrote:
> 
> I had some fun trying out the dispersion feature over Easter - trying to
> write a macro set to give a good colour spectrum for different numbers
> of channels. It almost works, so I'll post it if there is any interest.
> 
> The question: can I set up a similar colour spectrum for objects?
> Say I have my light shining through a glass of coloured liquid - I'd
> want to set the filter characteristics for each channel so the
> refracted, dispersed spectrum would show the absorption colour of the
> liquid (virtual spectroscopic analysis? ;-)
> 
> Can this sort of thing be defined?
> 
>         TIA,
>                 Mike Andrews.
> 
> Nathan Kopp wrote:
> > Actually, dispersion does work now... if you specify a color_map in your
> > light source, the colors in the color_map will be dispersed.  I don't
> > have any default color maps, but I want to have some available for the
> > final release (whenever that is).
> [clipped]
> > -Nathan

It can't be right now... probably in the future this will be implemented.  Does
Daren Wilson have any comments about this? (is he reading this?)

-Nathan


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