POV-Ray : Newsgroups : povray.binaries.images : Gamma tests : Re: Gamma tests Server Time
8 Aug 2024 04:11:25 EDT (-0400)
  Re: Gamma tests  
From: Kenneth
Date: 13 Dec 2005 03:25:01
Message: <web.439e83c351e1e6e83bb86110@news.povray.org>
"Tim Nikias" <JUSTTHELOWERCASE:timISNOTnikias(at)gmx.netWARE> wrote:

......BUT, in figuring out my own solution, I hadn't  considered the problems
you mentioned...

> The lower right is the uncorrected PNG version of the image. PNG comes with
> internal gamma values, and POV-Ray makes proper use of them. The problem
> lies within the usual floating point (in-)accuracy. If you take a closer
> look at the ocean's horizon, you'll notice color-banding and
> color-clipping-like effects.

Are these artifacts in your original .png image, or in the POV render of it?
I'll have to scrutinize my own .png's, to see if I detect
this.

BTW, your original photo is beautiful!

Ken


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