POV-Ray : Newsgroups : povray.beta-test : Same scene renders different in v3.7beta34 versus v3.62 : Re: Same scene renders different in v3.7beta34 versus v3.62 Server Time
6 Oct 2024 00:25:15 EDT (-0400)
  Re: Same scene renders different in v3.7beta34 versus v3.62  
From: Nicolas Alvarez
Date: 31 Aug 2009 13:50:35
Message: <4a9c0d6a@news.povray.org>
clipka wrote:
> Warp schrieb:
> 
>> http://warp.povusers.org/pov_imagemap_test/index.html
> 
>>   Granted, the perceived brightness of this checkerboard pattern does not
>> match the 0.5 grey of the POV-Ray 3.6 image. However, neither does it
>> match the one rendered with POV-Ray 3.7. In fact, the latter deviates
>> *more* from that perceived brightness than the former. It's way too
>> bright. At least on my screen.
> 
> The 3.7 shot looks /perfect/ on my display, no matter whether I display
> it in Internet Explorer, Windows Explorer preview, or Photoshop 6.0.
> Given that I did invest some time into calibrating my primary display,
> this tells me that yours/ must be /way/ off.
> 
> Now, that isn't generally a problem: You can work with a display system
> gamma of 1.0 if you like. But in that case make sure your image viewing
> software supports non-standard display gammas, and is actually
> configured to do so.
> 
> So stop your griping, disengage "demand mode", calibrate your image
> viewing pipeline properly, and /then/ come back with any residual
> problems.

Last time I tried to "calibrate my display" to show gamma correctly (that
is, to show 0.5 and {0.0, 1.0} checkerboard the same), *everything* looked
too washed out, not only pictures but mainly GUI elements.


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