Re: [NTG-context] figure libs

[Hans Hagen <pragma@wxs.nl>]

At 03:44 PM 10/16/2002 +0200, Jens-Uwe Morawski wrote:
>On Wed, 16 Oct 2002 13:30:19 +0200
>Hans Hagen <pragma@wxs.nl> wrote:
>
> > At 11:31 AM 10/16/2002 +0200, Jens-Uwe Morawski wrote:
> >
> > >i have some questions about figure libs:
> > >
> > >1) i can only access figures from a figure-lib if the
> > >    file is in the same directory as the document that
> > >    should embed the figures.
> > >    For documents in different variants (screen, print)
> > >    i would prefer that i can have the figure lib in the
> > >    parent directory.
> >
> > \setupexternalfigures[directory={...,...,...}]
>
>Hmm, since ConTeXt is so good in finding components and
>environments i thought that finding figures should not
>that problem. Setting up a specific directory is not
>a solution if different authors (with different directory
>structure) work on the same document.

hm, actually it's practice here, in order to prevent duplicates, how is 
your directory structure for this doc?

> > >2) is the XML-file that describes the figure-lib really
> > >    required to access the figures in the figure-lib:
> >
> > yes, since it determines the page to pick up; of course you can also 
> direct
> > the page directly using
> >
> > \externalfigure[somefile.pdf][page=3]
> >
> > >/Subtype /Link /Border [0 0 0] /A <</S /GoTo /D (about: fig-one)>>
> >
> > it could be done if pdftex supported access to named pages; parsing the
> > file using tex macros is not doable (well, partially, but a pain for 500
> > meg files)
>
>I thought that the parsing could be done with TeXUtil (Perl). Is there
>no Perl-Module (maybe a wrapper for pdflib by Thomas Merz) that allows
>efficient parsing? But, I see that this way still consumes too much
>time (for a 500M file). Thus, having the xml-file in place sounds
>like the better solution.

next versions of context will also provide you a mechanism for generating 
the library

> > PS. The fig lib mechanism will be replaced (extended) by a more versatile
> > resource library system (working on that now)
>
>Can you give some examples what enhanced functionality is available
>then, please.

- labeling, language or application dependent
- alternatives, like graphics, placeholders, applets, videos, depending on 
the kind of doc instance
- more associated data
- clipping, manipulation, etc
- slide show features

Hans

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                                   Hans Hagen | PRAGMA ADE | pragma@wxs.nl
                       Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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