Re: Quark 5 CMS
Re: Quark 5 CMS
- Subject: Re: Quark 5 CMS
- From: Chris Murphy <email@hidden>
- Date: Wed, 10 Jul 2002 20:59:14 -0600
Dave Gaudet <email@hidden> writes:
>
While it is true that Distiller 5 doesn't give you the ability to assign
>
intents on a per image or per vector element basis, v.5 doesn't restrict you
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to a relative colorimetric intent for everything. Indeed you can pick the
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intent in Distiller, but on the downside it applies it that intent to
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*everything* unilaterally.
Acrobat itself is limited to Relative Colorimetric. A rendering intent
specified within the PDF file itself can override the default Acrobat
rendering intent.
>
Also, when printing out of
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Acrobat 5, you can toggle the black point compensation off for proofing.
Actually you have to go into Edit:Preferences:Color Management and
uncheck BPC in Conversion options. It's not directly available in the
print dialog itself. The main thing missing out of the print dialog box
is rendering intent control. Adobe is under the impression that rendering
intents are image specific without regard to the destination device being
used.
>
I've run into several of these (mostly from a limitation standpoint) but I'd
>
be curious to know what others have run into... I know that the PDF/X-3
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spec has been released, and incorporated into some of better PDF preflight
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tools.
Realistically, PDF/X-1a:2001 is the most reliable method to submit PDF
jobs for print. PDF/X-3 while the spec is done, it hasn't been published
yet to my knowledge. Once you've made a PDF/X-3 document, what systems
exist today that will properly make separations? Ideally there needs to
be a way to override the default rendering intent specified per object in
the PDF itself, because that really is best determined at the proofing
stage - not when the PDF is created (but that's when the rendering
intents are specified).
I think PDF/X-3 is an interesting idea with some validity, but I think it
will be a while before it really catches on in the U.S. where so many
printers don't want to have anything to do with stuff that isn't
press-ready CMYK.
>
Many of my clients are inquiring about delivering PDFs to their pubs
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as an alternative to application files or TIFF/IT-P1. If (while properly
>
using ICC profiles) they can get reasonably accurate color on their "desktop
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proofers" from color managed PDF/X-3 files *and* deliver the same to the
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pubs, then it seems to me that puts them ahead of the game.
Someday perhaps, but I see PDF/X-1a as the place to be right now. That
kind of workflow is fairly clear cut, and isn't as susceptible to total
failure like device independent anything. If you send PDF/X-3 to someone
who has no idea it's a PDF/X-3 file, or a way to properly convert it
into something usable on press (i.e. CMYK and optional spot), the worst
thing that can happen is built-in RIP CSA's and CRD's get used and you
end up with dog doo. About the best thing that could happen is the RIP
would yack on such a PDF preventing the job from going any further.
>
I definitely agree, but Acrobat, along with PitStop Pro or CrackerJack, is a
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very cost-effective alternative for the smaller firms who are just looking
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for a "reasonably close" proof, and who aren't willing to commit the
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resources necessary to meet true prepress standards.
For managing embedded profiles, and converting images from one mode to
another (not repurposing unless you convert to RGB/LAB, then back to CMYK
using a different destination profile), you can use these tools. I have a
copy of PitStop Pro and don't see a way to change the rendering intent
associated with objects in a PDF. Last I checked, which was some time
ago, CrackerJack didn't either. I wouldn't consider any of these
application suitable for producing anything but rudimentary proofs, which
is unfortunate. Adobe let's us do monitor soft proofing, but not hard
proofing from Acrobat 5.
Chris Murphy
Color Remedies (tm)
Boulder, CO
303-415-9932
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