Re: Producing PDF x/1-a:2001 output.

[John Culleton <john@wexfordpress.com>]

On Monday 02 November 2009 08:36:41 Hans Hagen wrote:
> John Culleton wrote:
> > The documentation for pdfx goes through the source section 
by
> > section and discusses what each does.
>
> it's easier for me to preflight a file and see what acrobat reports
>
> btw, things like color and fonts are easy as one can configure 
this; and
> there might be a few additional resources needed but that's 
easy
>
> in my experience the problem is more with embedded graphics 
and these
> are out of our control
>
> Hans
>
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There are two tasks for crating a PDF x/1-a:2001 file. First limits 
must be imposed per the standard. Second the pdf file must 
"look" like a PDF x1-a:2001 file to the printer and his software. 
The tag at the top of the file is of course trivial. But there is some
xml code embedded also. 

If a dummy file were created in e.g., pdf 1.4, and then a copy were 
made in Distiller with PDF X/1-a:2001, then a differential analysis
could show out the elements (e.g., xml code) spelled out above. 
In Linux I  would use the diff command but I don't think that is 
available to Windows users.

Scribus will soon produce PDF X/1-a:2001 documents. It is already 
a menu choice in the alpha version Scribus 1.5.0. But the code 
behind the menu choice isn't in place yet.  When it is I will do a 
diff run on two versions of the same file and see what is different.  
-- 
John Culleton
"Create Book Covers with Scribus"
http://www.booklocker.com/books/4055.html
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