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From: | James |
Subject: | Re: Anyone have experience with PDF/A-1b? |
Date: | Wed, 15 Oct 2014 14:10:30 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 |
On 15/10/14 12:52, Henning Hraban Ramm wrote:
Some printshop's pre-press setting equipment/software can be very specific when having to deal with PostScript files (including PDFs) and outputting them to plate or film. That's not the fault of the print shops (they are not 'computer' literate as such usually, but know what a PDF file is).Am 2014-10-15 um 08:26 schrieb Vaughan McAlley <address@hidden>:I want to try to produce PDF/A-1b files from Lilypond to submit to the Australian Music Centre (australianmusiccentre.com.au). It looks like it would be possible to do this by exporting to Postscript and using Ghostscript: http://www.ghostscript.com/doc/9.14/Ps2pdf.htm#PDFA Has anyone done this and have any tips or pitfalls before I start on this journey myself?The only thing missing in LilyPond’s PDF files is the XMP metadata mark of PDF/A-1(b). Every other requirement is fulfilled, as soon as you disable links. #(ly:set-option (quote no-point-and-click)) The reasons they give against „regular“ PDFs are not valid, at least for LilyPond’s PDFs - I guess they experienced some really bad data (maybe scanned scores in PDFs, but even that wouldn’t require printing and re-scanning). Probably they just don’t know what they’re talking about - I had similar nonsensical requirements from several printshops.
That's not to say it will be an issue, but it won't hurt to ask why they ask for such specific requirements and glean if it is because they are told to or that is what they always require (which usually indicates the pre-process software they use will check (for whatever it checks for) when processing the files) or if there is a technical issue they can tell you.
I cannot speak for all print shops but have had experience with malformed PS files in the past when I used to work at a 'printshop'. It can cost a lot of money if a file is processed and the material that comes out at the other end is garbage - aluminium plates or film costs a lot of money for them and their margins are small enough as it is, assuming they are litho printing than just 'laser printing' (even so the ink still costs them money).
James
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