POV-Ray : Newsgroups : povray.binaries.images : screen.inc in 3.7 - strange differences in lighting! : Re: screen.inc in 3.7 - strange differences in lighting! Server Time
7 Nov 2024 13:37:35 EST (-0500)
  Re: screen.inc in 3.7 - strange differences in lighting!  
From: "Jörg \"Yadgar\" Bleimann"
Date: 24 Aug 2015 14:19:43
Message: <55db603f@news.povray.org>
Hi(gh)!

On 24.08.2015 15:30, clipka wrote:

> What do you mean by "s"? And can you provide examples with a bit of SDL
> code and the resulting imagery?
>
> Green (i.e. a colour with the "green" channel having the highest value
> of all channels) should never turn magenta (i.e. a colour with the
> "green" channel having the lowest value of all channels), no matter the
> gamma handling (as long as you're not trying pathological stuff like use
> negative gamma values or some such). Therefore, if you actually see such
> symptoms, my next best bet would be that there's something much more
> fundamentally wrong about your POV-Ray binary and/or your hardware.

O. k., meanwhile I also found out that srgb does not expect a four-part 
color vector - I removed the fourth value, and now everything works fine 
(see attachment)!

See you in Khyberspace!

Yadgar


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