From: John Hendy <jw.hendy@gmail.com>
To: Andreas Leha <andreas.leha@med.uni-goettingen.de>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: pdf images in html export
Date: Wed, 12 Nov 2014 15:04:36 -0600 [thread overview]
Message-ID: <CA+M2ft9uzB3oNJSD+ojErMs3ZB45_k3UwDr+STCDRNeWY3k8HQ@mail.gmail.com> (raw)
In-Reply-To: <oluvbmkczi2.fsf@med.uni-goettingen.de>
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On Nov 12, 2014 7:36 AM, "Andreas Leha" <andreas.leha@med.uni-goettingen.de>
wrote:
>
> Hi Rainer,
>
> Rainer M Krug <Rainer@krugs.de> writes:
> > Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:
> >
> >> Hi Marco,
> >>
> >> Marco Wahl <marcowahlsoft@gmail.com> writes:
> >>> Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:
> >>>
> >>>> how would I export an org file containing
> >>>>
> >>>> [[file:./myimage.pdf]]
> >>>>
> >>>> to html so that a say png version myimage.pdf is inlined in the html
> >>>> which links to the pdf?
> >>>>
> >>>> I guess it should be possible to run imagemagick on all pdf links
during
> >>>> export somehow.
> >>>
> >>> You could introduce a relation of the pdf-filenames to the respective
> >>> thumb-filenames e.g. by using the suffix '_thumb'. Before the export
> >>> the conversion tool would create the thumbs.
> >>>
> >>> The org-file could reference the data as
> >>>
> >>> [[file:./myimage.pdf][file:myimage_thumb.png]]
> >>>
> >>> See the info page (info "(org)Images in HTML export")?
> >>>
> >>> Untested. I just accidentially browsed that info page yesterday.
> >>>
> >>>
> >>
> >> Thanks for your thoughts. I would like to automate all of that. So, I
> >> guess the first question is where to put code that would trigger the
> >> conversion and how to best detect links to pdfs.
> >
> > Well - this is coming again and again - but no solution out of the
> > box. There are effectively two approaches:
> >
> > 1) Macro to change properties according to backend used.
> >
> > One usage is changing the file name extension according to the
> > backend. This is implemented as a simplified macro below. This could
> > be done by using ~(by-backend (html "graph.png") (latex "graph.pdf") (t
"graph.pdf"))~
> >
> > See [[
http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html#sec-4-3][work
section ob-doc-LaTeX]] for details.
> >
> > #+begin_src emacs-lisp
> > (setq org-babel-latex-htlatex "htlatex")
> > (defmacro rmk-by-backend (&rest body)
> > `(case (if (boundp 'backend) (org-export-backend-name backend) nil)
,@body))
> > #+end_src
> >
> > 2) To use svg image format, which is supported by both (although has
> > it's drawbacks: slow rendering of the html, need to run external
programs upon compilation)
> >
> > So the first might be the modst feasible option.
> >
>
> Thanks for this. I am aware of how to *produce* graphics in different
> formats for different export backends. I use your first approach,
> which I think is the better solution.
>
> Here, I am after a solution, that works on images that are not produced
> but merely included via [[file:./some.pdf]].
>
If the names are always the same, could you just sed or replace-regexp all
*.pdf for *.png?
Not elegant, but works easily/now, and takes less time than this thread :)
John
> I think there should be the possibility to include these into html (and
> odt) export without any user interaction. So, I
> - do not want to write a source block just to produce the by-backend image
> - do not want to change the link manually
> - do not want to run the converter manually
>
> I am pretty sure this should be achievable with standard orgmode tools
> (like filters, export hooks, or anything).
>
> Since 'this is coming again and again' it seems a non-esoteric task.
> And as there is 'no solution out of the box', I assume(d) that somebody
has
> written these filters already.
>
> Regards,
> Andreas
>
>
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next prev parent reply other threads:[~2014-11-12 21:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 0:48 pdf images in html export Andreas Leha
2014-11-12 8:27 ` Marco Wahl
2014-11-12 9:30 ` Andreas Leha
2014-11-12 13:09 ` Rainer M Krug
2014-11-12 13:36 ` Andreas Leha
2014-11-12 14:13 ` Rainer M Krug
2014-11-13 12:21 ` Instructor account
2014-11-13 19:10 ` Andreas Leha
2014-11-12 19:03 ` Charles C. Berry
2014-11-12 20:50 ` Andreas Leha
2014-11-12 21:04 ` John Hendy [this message]
2014-11-12 21:32 ` Andreas Leha
2014-11-12 22:59 ` John Hendy
2014-11-13 9:11 ` Eric S Fraga
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