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From: luigi scarso <luigi.scarso@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: PDF x1a:2001 and Context
Date: Thu, 27 Aug 2009 15:48:56 +0200	[thread overview]
Message-ID: <fe8d59da0908270648k61568494sfaa18a7d24393b3a@mail.gmail.com> (raw)
In-Reply-To: <200908270922.48568.john@wexfordpress.com>

On Thu, Aug 27, 2009 at 3:22 PM, John Culleton<john@wexfordpress.com> wrote:
> On Wednesday 26 August 2009 17:29:20 Hans Hagen wrote:
>> John Culleton wrote:
>> > PDF X/1a:2001 is an old pdf standard still required by some
>> > important American printers. Han The Thanh et al. has created a
>> > package for pdfLatex.  I wonder if there is a route to this
>> > output using Context?
>>
>> it depends ... what do validators report?
>>
>> Hans
>
> To satisfy some US printers (e.g., LSI) the file must actually meet
> the pdf/X1a:2001 standard and the file must be labeled as such
> internally.  It is not difficult to modify the file to pdf 1.3 format
> which is essentially the same thing as pdf/X1a. But the internal
> labeling is the problem.  The standard solution is to run the file
> through Acrobat Distiller. But that is not an Open Source product.
http://www.ghostscript.com/
http://www.pstill.com/

>
> If the file, typically a cover layout, does not meet the above
> requirements then it is pre-rasterized by the printer prior to
> prepress in some product or other which degrades the quality of both
> type and  especially bar codes.
It shouldn't. You should use vector type and vector barcode, not bitmap
(ie gnu barcode  makes eps output) .
Eventually you can convert a pdf to a TIFF by yourself with ghostscript

-- 
luigi
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      reply	other threads:[~2009-08-27 13:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-26 21:13 John Culleton
2009-08-26 21:29 ` Hans Hagen
2009-08-27 13:22   ` John Culleton
2009-08-27 13:48     ` luigi scarso [this message]

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