[argyllcms] Re: Calibrating problems in darks areas

  • From: lee scratchy <leescratchy@xxxxxxxxxxx>
  • To: <argyllcms@xxxxxxxxxxxxx>
  • Date: Fri, 28 Dec 2007 22:11:35 +0000

well it lets you set the primaries, no gain/offset...it's not a projector ;)

dunno what to tell you, using this command line and the OSD RGB settings for 
the precalibration in ARGYLL.......I still cannot believe how friggin' amazing 
this old *ss 19" CRT looks.

I've had it for like 10 years, and now it looks even better than my HC3100 
projector 3D depth-wise....ARGYLL ftw!!! :D

there's an endless source of amazement here :


> From: frederic.mantegazza@xxxxxxxxxxx
> To: argyllcms@xxxxxxxxxxxxx
> Subject: [argyllcms] Re: Calibrating problems in darks areas
> Date: Fri, 28 Dec 2007 22:57:41 +0100
> On vendredi 28 décembre 2007, lee scratchy wrote:
> > yeah it does have RGB levels options, just set the color temperature to
> > USER, then you can play with BLUE and RED levels.
> Ok, another point I missed: I though these sliders were controling the 
> gain, not the offset... I used them to set the white point. But them, 
> black level is totally wrong. But if I use them to control black point, 
> the white point will be wrong.
> How can you set both?
> > well did you try my banding test patterns ?
> Yes: it is very visible on the green one.
> > show me yours that exhibit the problem
> I attached the file... I have another photo, but it is not mine, so I can't 
> attached it. There is a dark blue sky, with nice gradient.
> > well yeah D65 has a slightly redish white point, it's the reference
> Well, I know, but I think mine is really too redish ;o)
> -- 
>    Frédéric
>    http://www.gbiloba.org

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