POV-Ray : Newsgroups : povray.beta-test : png gamma error : Re: png gamma error Server Time
31 Jul 2024 00:30:00 EDT (-0400)
  Re: png gamma error  
From: Warp
Date: 24 Sep 2001 05:01:07
Message: <3baef652@news.povray.org>
Jon A. Cruz <jon### [at] geocitiescom> wrote:
: I REALLY like the idea that display gamma has no effect whatsoever on the output
: file.

  Then POV-Ray should not write any gamma value to the PNG file (this is
easy to implement in the current source code by commenting out 2 lines).

: I would assume that assumed gamma would.

  It already does. The assumed_gamma value affects the actual values of the
pixels written to the image file (regardless of the format).

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


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