From: Henning Hraban Ramm <hraban@fiee.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Preparing the print: ICC-Profiles, Fogra, (in german untranslatable)
Date: Fri, 24 Feb 2012 13:18:10 +0100 [thread overview]
Message-ID: <CAPm68Zh=pFexaX6yPsyy0wuJa=dUSqr4us+GiYG3+cEqJp2juA@mail.gmail.com> (raw)
In-Reply-To: <4F4779C3.8060600@gmx.de>
Am 24. Februar 2012 12:51 schrieb Jan Heinen <JaHeinen@gmx.de>:
> My book is ready and I want to print it next week.
>
> 1. The printer told me to set up my PDF with the following values:
> PDF/X-1a:2003,
> ISO Coated v2 (ECI)
>
> 2. And I did:
>
> \setupbackend
> [format=PDF/X-1a:2003,
> intent={ISO Coated v2 (ECI)}]
Since ConTeXt doesn’t touch your pictures color spaces or profiles,
you need to make sure all of them are converted to the same CMYK color
space.
It would be enough if each of them had a correct profile, regardless
of color space, if you printshop would accept PDF/X-3, but PDF/X-1
doesn’t allow mixed profiles or deviating color spaces.
> 3. Then I send a test-PDF to my printer and got the following answer:
>
> 4. The printers answer in german:
> Die Ausgabebedingung ist mit FOGRA 39 hinterlegt. Dadurch erscheint eine
> falsche Farbvoransicht. FOGRA 39 sind "nur" Charakterisierungsdaten zur
> Erzeugung von ICC-Profilen für die entsprechenden Ausgabebedingungen. Wenn
> die Bilddaten in den "ISO Coated v2 (ECI)" Farbraum separiert wurden,
> sollte dieser am Besten hier als Name hinterlegt werden. Die Kennung der
> Ausgabebedingung wäre "Fogra 39".
He says (i.e. my understanding of what he wants to say):
The output profile [of the PDF] is set as "FOGRA 39" [that is a
variant of ISO Coated]. That's the reson for a wrong color preview.
FOGRA 39 is "only" characterization data for according output
conditions. If you separated your image data to ISO Coated v2 ECI [a
different variant of ISO Coated], then you must set that as output
profile. But our output conditions are FOGRA 39.
I.e., as I said above, don’t use or declare different profiles.
Greetlings, Hraban
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next prev parent reply other threads:[~2012-02-24 12:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-24 11:51 Jan Heinen
2012-02-24 12:00 ` luigi scarso
2012-02-24 12:18 ` Henning Hraban Ramm [this message]
2012-02-24 13:05 ` Peter Rolf
2012-02-24 16:20 ` Peter Rolf
2012-02-24 16:25 ` luigi scarso
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