POV-Ray : Newsgroups : povray.pov4.discussion.general : What 's best way of making this kind of image ? : Re: What 's best way of making this kind of image ? Server Time
21 Sep 2021 07:39:58 EDT (-0400)
  Re: What 's best way of making this kind of image ?  
From: Warp
Date: 18 Apr 2012 10:53:57
Message: <4f8ed585@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
> POV-Ray does not support paletted image output in any format; the reason 
> is that there are plenty of different ways of choosing a suitable 
> palette, and plenty of different ways to dither the image, each with 
> their own strength and weaknesses, so we leave that job up to image 
> processing software as a post-processing step.

  In fact, calculating the optimal palette and dithering for a given
image is an extremenly difficult problem, and tons of papers have been
written about the subject. (It also depends on your definition of
"optimal". It's not unambiguous.)

-- 
                                                          - Warp


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