Andreas Leha writes: > Hi Rainer, > > Rainer M Krug writes: >> Andreas Leha writes: >> >>> Hi Marco, >>> >>> Marco Wahl writes: >>>> Andreas Leha 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. I agree with you. > > Here, I am after a solution, that works on images that are not produced > but merely included via [[file:./some.pdf]]. OK - understood. > > 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 agree with you - this *should* be possible, and I assume not to difficult to implement. In my opinion, this should also work out of the box when enabling it e.g. via a property. > > I am pretty sure this should be achievable with standard orgmode tools > (like filters, export hooks, or anything). Yes - it should be. > > 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. Unfortunately not... Cheers, Rainer > > Regards, > Andreas > > > -- Rainer M. Krug email: Rainerkrugsde PGP: 0x0F52F982