POV-Ray : Newsgroups : povray.beta-test : Gamma in POV-Ray 3.6 vs. 3.7 : Re: Gamma in POV-Ray 3.6 vs. 3.7 Server Time
5 Oct 2024 02:15:41 EDT (-0400)
  Re: Gamma in POV-Ray 3.6 vs. 3.7  
From: Ive
Date: 12 Sep 2009 10:37:32
Message: <4aabb22c$1@news.povray.org>
clipka wrote:
> As far as I see, leaving the job of gamma-correction (let alone sRGB 
> transfer function) to the libpng also comes with the drawback of losing 
> precision, as the interface stays 8 bit, right? 

Absolutely.


> This is actually a problem I see with most of POV-Ray's file input code, 
> as data is typically stored no wider than 8 bits per channel unless the 
> encoded data is wider already.

I completely agree and actually for exactly this reason I did recommend 
the conversion from JPEG to 16-bps PNG files to overcome the current 
problems with image maps.


-Ive


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