[argyllcms] Re: Contributed ccmx files
- From: Konstantin Pyanzin <kokap@xxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sat, 30 Oct 2010 06:58:58 +0400
One more question about 1):
How is it possible to use targen for generating .ti1 file (before making .ti3)
for ccmxmake utility? Whitch options will be set?
Sat, 30 Oct 2010 11:47:36 +1100 Graeme Gill wrote:
> Dariusz ?urawski wrote:
> > It is exactly what I was thinking about. :) But I'd like to use two icc
> > profiles - one taken from monitor's manufacturer and one created with my
> > Spyder. Of course it will not give good accuracy, but will be probably
> > better than no correction at all. One thing I'm not sure of, is what is a
> > real difference between monitors of particular type, so I don't know whether
> > is manufacturer's profile accurate or not.
> I'm not sure that will work very well, because you will not be getting
> measurements from the same display in the same condition. Another
> potential problem is that ccmxmake expects absolute (that is, instrument)
> readings, and there are known issues with display profiles, the ICC
> standard, and recovering absolute instrument readings from display profiles.
> If you wanted try try this, you could: 1) Create a set of test values using
> targen (a small display test set would do). 2) Use fakeread to create
> .ti3 files from the two profiles 3) Manually add tags for the
> TARGET_INSTRUMENT
> and INSTRUMENT_TYPE_SPECTRAL YES/NO to the resulting .ti3 files :-
> "TARGET_INSTRUMENT"
> just needs to be set to the name of the instrument, and the reference
> file should be labelled with "INSTRUMENT_TYPE_SPECTRAL YES" and the
> colorimeter
> labelled with "INSTRUMENT_TYPE_SPECTRAL NO". 4) Feed them into ccmxmake -f.
> Graeme Gill.
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