[argyllcms] General calibration questions
- From: Andrés Vattuone <andres.vattuone@xxxxxxxxx>
- To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
- Date: Sun, 2 Oct 2011 20:42:21 -0300
Hi, dear list members,
I would like to post some questions related to calibration. Any answer,
comment or link to further reading will be much appreciated.
1) Where can I find documentation about the vcgt tag?
2)Are there any other tags related to calibration? Documentation?
3) Do different loaders behave differently?
4) Appart from Gamma curves do they load anything else?
5) Are gamma, brightness, white point, contrast settings (or any other
settingts) from the monitor completely independent from those of the video
card?
6) Same question in the case of DDC compatible cards and monitors?
7) Depending on the answer of previous questions, may the loders be
capabable of loading all necessary calibration settings?
8) Finally, I have little experience with Linux. I quote from Wikipedia
>>Use an LUT loader to actually load the LUT adjustments contained within
the profile
>>prepared during calibration. According to the documentation, these loaders
do not
>>modify the video card LUT by itself, but achieve the same type of
adjustment by
>>modifying the X server gamma ramp. Loaders are available for Linux
distributions that
>>use X.org or XFree86—the two most popular X servers on Linux. Other X
servers are
>>not guaranteed to work with the currently available loaders. There are two
LUT
>>loaders available for Linux:
>>Xcalib is one such loader, and although it is a command-line utility, it
is quite easy
>>to use.
>>dispwin is a part of Argyll CMS.
The sentence "these loaders do not modify the video card LUT by itself, but
achieve the same type of adjustment by modifying the X server gamma ramp" is
unintelligible to me.
Thanks and regards,
Andrés
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