POV-Ray : Newsgroups : povray.general : Glories, POV-Ray, and diffraction : Re: Glories, POV-Ray, and diffraction Server Time
22 Feb 2025 03:25:25 EST (-0500)
  Re: Glories, POV-Ray, and diffraction  
From: Alain Martel
Date: 11 Feb 2025 09:15:54
Message: <67ab5b9a$1@news.povray.org>
Le 2025-02-10 à 16:01, Bald Eagle a écrit :
> Cousin Ricky <ric### [at] yahoocom> wrote:
> 
>> How does one put a hue gradient on a light source?  Are you thinking
>> about a filter in front of the light source?
> 
> Put a hue gradient on an object and give it an emission 1 finish?
> Use projected_through?
> 
>  
Tried projected_through with a filtering pattern creating a gradient. It 
don't work. You get a warning about projected_through requiring a 
texture-less object, and the pigment or pattern is ignored.


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