Re: ColorSync...TURN IT OFF! (?!)
Re: ColorSync...TURN IT OFF! (?!)
- Subject: Re: ColorSync...TURN IT OFF! (?!)
- From: Roger Breton <email@hidden>
- Date: Sun, 28 Dec 2003 14:44:39 -0500
Marco,
I just switched over to a Canon i960 (my faithful e890 mysteriously passed
away on Xmas eve?). In the Color Options screen, there are three choices:
ColorSync, Canon Standard and None. I am on Panther 10.3.1. I can tell you
that, when I select None among these three choices indeed *nothing* happens,
colorwise, that I can see, touch or otherwise observe directly, nothing past
the basic internal driver conversion from RGB to CcMmYk -- nothing. Nothing
in ColorSync and nothing anywhere else. FWIW I leave ColorSync Conversion to
'Standard' and Quartz Filter to 'None', their defaults settings. I suspect
these latest Panther-enabled ColorSync settings are doing nothing to the
data right now, color is handed on down to the driver unadulterated. Proof
is when I profile the printer (which btw is very, very nice) in RGB with
TC9.18, measure and make a profile out of that I later use to make
conversions with, in Photoshop, well, the color results I am getting are on
par with my usual (OS9, OSX Jaguar+) expectations: colors are sharp, vivid
and faithful to my original image. In fact, I am getting better shadows
details with the Canon RGB driver than with the Epson RGB driver! But that's
another story...
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
>
"Turning it off" is not an option. In order for ColorSync-based color
>
management to work within individual applications (Photoshop, InDesign,
>
etc.), ColorSync MUST be active at the OS level. And it CANNOT be turned off
>
anyway, for all I know. To suggest that it can be may engender confusion in
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some users, possibly ones who are just starting to use color management.
>
>
Eric's suggested solution (to work within color-managed applications in the
>
manner suggested by Bruce), while I completely concur in its desirability
>
and effectiveness, would itself not be feasible if ColorSync were to be
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turned "OFF" at the system level, as suggested. (How exactly would one
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endeavor to do that anyway...?)
>
>
So, a more appropriate way to say it is, in my opinion, that some may be
>
prey to the misconception that, since the ColorSync engine is active at the
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OS level, one can merrily forget to fine-tune any controls within the final
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applications from which correct color is to be generated, and still expect
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color-managed results. At the current stage of development of the
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technology, the exact opposite is true: quite far from being automated,
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color management is still very much a careful hands-on type of business,
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with no easy shortcuts: knowledgeable use of the tools is still an
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inescapable requirement. That MAY change in the future, but at the present
>
time there seem to be no easy recipes available.
>
>
That may have been what Eric meant to say all along, but I wanted to spell
>
it out for the sake of clarity.
>
>
(Bruce, any comments?)
>
>
--------------
>
Marco Ugolini
>
email@hidden
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