On Tue January 20 2009 7:06:58 am Henning Hraban Ramm wrote:
> 2009/1/20 Bart C. Wise <bntgcont...@wiseguysweb.com>:
> > I talked to the publisher again and he said that he would send me the
> > exact error message, but I have not received it yet. But he did say that
> > his printing shop wants the ability to download just the header
> > information from a pdf rather than the whole pdf file which may be up to
> > 80 mbytes. From that header information they will have the ability to
> > render individual pages rather than the whole document. For example,
> > they could request page 264 and render that single page as a jpeg.
>
> This sounds like "web optimized" PDFs, those contain a second object
> index at the start ("normal" PDFs have it at the end), so a *browser*
> can request selected pages from the *webserver* without loading the
> whole document.
>
> It's meant as a web technology, and I never heard of anyone using it
> in a print workflow. But it's not impossible.
>
>
> Tha has *nothing* to do with tagged PDF!
> "Tagged" is a technology to enable re-flowing text contents to e.g.
> small devices or extracting of content for alternative readers, e.g.
> screenreaders.
> PDFs for print should *not* be tagged in this way, for it can confuse
> a print workflow.
>
> Printshops should adhere to printing standards like PDF/X-1a and
> PDF/X-3 - and these never need web optimization or tagging!
Excuse the ignorance, but does LuaTeX produce a PDF based on the PDF/X-1a and
PDF/X-3 standards?
Bart
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