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Re: Create different pdf layers
From: |
Henning Hraban Ramm |
Subject: |
Re: Create different pdf layers |
Date: |
Thu, 1 Aug 2013 18:05:03 +0600 |
Am 2013-08-01 um 15:25 schrieb David Kastrup <address@hidden>:
> Mike Solomon <address@hidden> writes:
>
>> As far as I know, the PS standard doesn't support any native form of
>> layering, and LilyPond pre-renders to PS before PDF.
>
> But it converts the PostScript to PDF using Ghostscript, and Ghostscript
> will both read and write PDF and PostScript, so it is quite likely that
> there are some instructions in Ghostscript's version of the PostScript
> language that would get converted into layer instructions in PDF. For
> example, we use the "pdfmark" command for generating embedded links.
Of course, you can get nearly every PDF feature through PS using pdfmarks.
Greetlings, Hraban
---
fiëé visuëlle
Henning Hraban Ramm
http://www.fiee.net
http://angerweit.tikon.ch/lieder/
https://www.cacert.org (I'm an assurer)