Re: [Gimp-user] Re: Re: Re: Re: Monitor for Gimp

2004-04-05 Thread Henrik Brix Andersen
Hi,

On Thu, 2004-04-01 at 15:00, GSR - FR wrote:
> Some time ago I had the same problem than you: I went from default
> config (or lack of it) to something reasonable (or at least try). Yes,
> of course, my interface changed at first, so I compensated it but did
> not go back to unconfigured state. Since, when I have changed video
> card or monitor, I just had to check their settings, not change the
> interface all over again. That is what makes it desirable, two
> properly adjusted hardware sets will give a similar look.

So would it be possible to do a quick tutorial on how to adjust the
gamma of ones videocard/monitor combination? If yes, I think it would be
nice to have such a tutorial on www.gimp.org.

Sincerely,
Brix
-- 
Henrik Brix Andersen <[EMAIL PROTECTED]>

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[Gimp-user] Re: Re: Re: Re: Monitor for Gimp

2004-04-01 Thread GSR - FR
[EMAIL PROTECTED] (2004-03-31 at 2350.03 +0200):
> > Let try sorter: the question was "do you consider global gamma
> > adjustment useful at all?" and the reply was "yes, not only useful
> > but a basic".
> Well, I sortof find it distracting to have the user interface gamma
> corrected. If I set a reasonable gamma value on my X server, things
> look washed out and pale. Is that really desirable?

Some time ago I had the same problem than you: I went from default
config (or lack of it) to something reasonable (or at least try). Yes,
of course, my interface changed at first, so I compensated it but did
not go back to unconfigured state. Since, when I have changed video
card or monitor, I just had to check their settings, not change the
interface all over again. That is what makes it desirable, two
properly adjusted hardware sets will give a similar look.

GSR
 
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[Gimp-user] Re: Re: Re: Re: Monitor for Gimp

2004-04-01 Thread GSR - FR
[EMAIL PROTECTED] (2004-04-01 at 0908.53 +1000):
> Xfree86 implements LUT manipulation through a X extension, but only
> allows you to set a gamma for red, green, and blue (it generates
> the LUT values internally).  The basic commandline interface to
> this is xgamma, and KDE/etc have added their own versions.

I got in IRC a small code snipet that allows full modification, it
inverts the colours so I think it should be possible to load any other
curve you can think of, if it is per channel.
 
> The "standard monitor" that is modelled by the sRGB colour space
> (which is meant to describe the "average" [well-adjusted] PC monitor,
> and is specified as the default colour space of the web) happens
> to have a gamma of 2.2 (as well as a white colour of 6500K and a
> bunch of other details).

Most monitors I have found were not 2.2. Only last one is 2.2, and
when sRGB preset. This "small detail" is what I think has caused lots
of problems, people knew their monitor was designed to be pluged in a
50Hz socket, or 60, or auto select among both, but not what colour
config was provided by it and the video card (and probably do not
understand it anyway).
 
GSR
 
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[Gimp-user] Re: Re: Re: Re: Monitor for Gimp

2004-03-31 Thread GSR - FR
[EMAIL PROTECTED] (2004-03-31 at 1529.45 -0500):
> I am busy window shopping on Ebay etc. If the monitor has an 
> adjustment for color temperature is that the equivalent of 
> adjustable gamma? Or are they different parameters?

They are different, it sets how white will look, 5500K is yellowish,
9300K is blueish, and 6500 can be considered middle ground (sRGB uses
this one, iirc).

GSR
 
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