POV-Ray : Newsgroups : povray.general : Alpha channel affecting highlighting : Re: Alpha channel affecting highlighting Server Time
29 Jul 2024 08:22:29 EDT (-0400)
  Re: Alpha channel affecting highlighting  
From: Alain
Date: 22 May 2012 16:36:44
Message: <4fbbf8dc$1@news.povray.org>
Le 5/21/2012 11:48 AM, Thomas A. Fine a écrit :
> Thanks everybody.  I've given the unofficial Mac 3.7 from MegaPOV a try
> (really, no command line?).  It doesn't suffer from this issue.
>
> On the other hand it doesn't render the same as 3.6 in terms of the tone
> of color and size of the specular highlight.  (Maybe there's some
> setting I missed?)  But it's close enough to work with it.
>
>       tom

Probably a gamma handling thing.
Version 3.7 "prefers" to work using assumed_gamma of 1, linear colour 
space, while 3.6 pushed you to use an assumed_gamma of 2.2.



Alain


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