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Properly calibrated LCD will not look either warmer or cooler. In fact it will look exactly the same. Native white point and Native gamma mean that all the calibration does is measure the factory default output and record it in the profile.I still have not calibrated my monitor (LCD) with a 'proper'
hardware system, but am curious to know in general do they usually
look 'warmer' or 'cooler' than the factory-default after
calibration.
It is mostly about MEASURMENT. Before you measure nobody and no software knows anything about the colors displayed on your monitor.... can't wait to see what this
'real' calibration mullarky is all about.
I should add, the file (an adobe rgb photo with a lot of dark green (Scots Pine) foliage taken in fairly dull daylight) had only some minor contrast adjustments in RSE and some cloning of sensor specs in Photoshop before sharpening and printing.I don't believe it! I Have calibrated my display after getting all
the facts correct, and now I'm seeing all my 'colour managed'
programs -RSE, Photoshop, Qimage, showing a yellowy-warm looking
file that when viewed in Windows Raw Viewer looked correct and when
printed from Qimage the resulting print looks like the Windows Raw
Viewer view!
Helllllp!
--
Chris
Yes!"Obviously a major malfunction"...
Yes -just found this article which set me right ( Adobe Gamma Loader was not present in the 'Startup' folder anyway.)Since it looks like you are using Windows XP first thing to ask is
have you removed Adobe Gamma loader from your startup folder?
'Native Whitepoint' -(says actual is 6100), and recently 'Native Gamma'-(says nothing for the actual figure here just has a dash).Second - what targets have you set in your Match 3 software?
Will have to look into that one!And third - have you considered using Microsoft color control panel
applet and it's LUT loader?
Good question Eugene, I think we should merge our threads!What is this Microsoft color control applet and its Lut Loader? I
have heard it mentioned before but never really inquired about it
till now. What is its main function. how does it work and where
does a person find it? Thank You in advance.
Eugene
The software updates the LUT but until you finish and build a display profile, THEN go and view an image in Photoshop (or an application that uses the profile), you can't evaluate the color. On a Windows machine, I'm pretty sure your desktop isn't color managed so don't be looking there....In the 'Match 3.6' software, when I toggle between Gamma Settings
of 'Native Gamma' and '2.2 (actual results in 2.3 but that's
another matter!)- I see an instant change of my Desktop from
Blue-'Native Gamma', to Grey-'2.2 Recommended'.
If it's good, that's all that counts. Ideally a native gamma and white point will produce the same color appearance minus some additional banding in an ICC aware application. The less adjustments made to the graphic card LUTs (which is the result of the native settings) the better in terms of smoothness. Outside ICC aware applications, all bets are off but you can't view color with any degree of accuracy that way anyway.If I stick with the 2.2 Recommended setting everything is fine
(infact very good).
Anyone got any theories?
Thanks for that Andrew.The software updates the LUT but until you finish and build aIn the 'Match 3.6' software, when I toggle between Gamma Settings
of 'Native Gamma' and '2.2 (actual results in 2.3 but that's
another matter!)- I see an instant change of my Desktop from
Blue-'Native Gamma', to Grey-'2.2 Recommended'.
display profile, THEN go and view an image in Photoshop (or an
application that uses the profile), you can't evaluate the color.
On a Windows machine, I'm pretty sure your desktop isn't color
managed so don't be looking there....
If it's good, that's all that counts. Ideally a native gamma andIf I stick with the 2.2 Recommended setting everything is fine
(infact very good).
Anyone got any theories?
white point will produce the same color appearance minus some
additional banding in an ICC aware application. The less
adjustments made to the graphic card LUTs (which is the result of
the native settings) the better in terms of smoothness. Outside ICC
aware applications, all bets are off but you can't view color with
any degree of accuracy that way anyway.
--
Andrew Rodney
Author of Color Management for Photographers
The Digital Dog
http://www.digitaldog.net
Exactly.I understand more now. I realize that 'Native' means it is just in
it's natural place without any adjustment.
With an instrument (a colorimeter).what my display's 'Native Gamma' really is, anyone know how I do
that?
klnikl, At startup I do see the colour changes before it lands on the correct profile, and the Gretag loader is present in the Startup folder so assume that this side of things is working as it should.Last fall Microsoft has released a Powertoy that helps XP-based
artists with their colormanagement. It's usually not a requirment
to install it but it makes your colormanagement easier to approach
and understand.
It's LUT loader is one of it's optional features and it's only
required when other LUT loaders ("Logo Calibration Loader" in GM
case) in the startup folder don't work for your configuration for
some reason. LUT loader is what causes colors to change on startup
to match calibration results.
Andrew,With an instrument (a colorimeter).what my display's 'Native Gamma' really is, anyone know how I do
that?
klinikl, The only validation is where that dash (actually looks like three very-close-together short dashes) is. You can compare how things look between the previous profile and the new one but that's about all.Since I don't have an EyeOne I can't tell how to measure Native
Gamma. You said there was a dash in the "actual" gamma spot -
that's where the measured Gamma is supposed to be. Does the
software let you run some kind of validation or measurement after
you completed the profiling process to just get the readings and
compare to your targets? It's supposed to be able to do something
like that.
That be nice but it's not necessary. First, its probably somewhere around 2.0-2.2. But the point is, the instrument and software are measuring this native gamma (if the software has the option) and leaving the gamma alone (no gamma correction on the LUT) and defining this in the ICC profile. That's the important point.The colorimeter software is not giving me a figure for what the
actual 'Native Gamma' is though.
