POV-Ray : Newsgroups : povray.binaries.images : assumed_gamma makes a lemon out of U and my orange : Re: assumed_gamma makes a lemon out of U and my orange Server Time
5 Nov 2024 04:25:46 EST (-0500)
  Re: assumed_gamma makes a lemon out of U and my orange  
From: Kenneth
Date: 12 Nov 2005 14:30:01
Message: <web.437641f51f234627b3cb5aca0@news.povray.org>
Patrick Elliott <sha### [at] hotmailcom> wrote:

> >What people are
> screwing up is that they are setting the gamma to something that has
> *nothing* to do with their displays actual gamma, so when they load it
> one something else, it looks wrong. In the case of programs that
> correctly handle the setting in the file, *they* are assuming the 'real'
> gamma is different that your monitor and are dropping or increasing the
> image colors to 'match' what they 'think' your display uses, which is by
> default 1.0, not 2.2.
> --

I have to admit that I didn't know monitors (all of them?) have a default
gamma of 1. This raises a basic question. What is meant by a "gamma of 1.8"
for the Mac and a "gamma of 2.2" for the PC? These are values that I've
always taken as gospel.

Ken


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