[argyllcms] Re: More questions about monitors
- From: Leonard Evens <len@xxxxxxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 02 Apr 2009 15:14:25 -0500
On Thu, 2009-04-02 at 20:11 +0200, Kurt Roeckx wrote:
> On Wed, Apr 01, 2009 at 04:46:59PM -0500, Leonard Evens wrote:
I find the idea of a monitor with an LED light source very attractive,
and I am seriously considering getting the Samsung XL20, if I can
convince myself I can use it with my system. I have the money to pay
for it; but I am retired with fixed resources, so it is always a
question of balancing current needs and desires against future needs.
On the other hand, I am reluctant to waste much more of my limited
lifespan fiddling with a less that satisfactory set up to do digital
photography.
Bear with me by clarifying a few more points.
> > > I have a Samsung SyncMaster XL20. I'm very happy with it. It's probably
> > > just over your budget.
> >
> > I may be able to afford it if it does what I want.
> >
> > I looked at a review. I wonder if I could calibrate/profile it under
> > Linux? Can one do this just using the monitor controls and the argyll
> > programs rather than with a Windows program?
>
> It has a few control on the monitor that you can change. You can
> also change them via software with (g)ddccontrol, and I have created
> a file for the monitor so that everything has a proper name/value.
I found ddcontrol, which seems to be a platform independent utility.
I'm still not sure what it does, but it shouldn't be too hard to figure
that out. What does the '(g)' mean?
>
> The things you can control:
> - Brightness/contrast
> - Gamma from -0.6 to +0.6 in steps of 0.2
> - For R, G and B you can change the level of the LED lights,
> really changing the white point.
>
> It also has some presests that change the whitepoint, but those
> are just names (warm1 - warm6, cool1 - cool6).
>
> It also has presents for sRGB and AdobeRGB, but I'm not using
> that.
>
> I do not have windows. The x-rite i1 that comes with it works
> with argyll. I think they also sell it without it, in case
> you already have a calibration device.
What operating system do you use? Linux, Mac OS, ...?
I wouldn't use Windows if I could avoid it, and I do almost all my photo
work under Fedora Core Linux. I may switch in the future, at least for
part of my work, to Ubuntu Linux.
>
> I've currently changed the brightness/contrast and R/G/B values
> and stored them in a profile in gddccontrol, and then calibrated
> my monitor with argyll. I should probably change the gamma on the
> monitor and then do the calibration again.
>
> It seems that video in X (with xv) does not make use of the video
> card LUT.
>
>
> Kurt
>
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