From: Andreas Leha <andreas.leha@med.uni-goettingen.de>
To: emacs-orgmode@gnu.org
Subject: Re: Embedding diagrams in Org
Date: Sat, 21 Mar 2015 21:41:30 +0000 [thread overview]
Message-ID: <oluwq2ayqnp.fsf@med.uni-goettingen.de> (raw)
In-Reply-To: 87egoioaql.fsf@wmi.amu.edu.pl
Hi Marcin,
see some inline comments. Note, that I have not done much research
on this and all my information may be outdated....
Marcin Borkowski <mbork@wmi.amu.edu.pl> writes:
> On 2015-02-18, at 20:37, Andreas Leha <andreas.leha@med.uni-goettingen.de> wrote:
>
>> I also use tikz in my org files. I just include a slightly more
>> involved version of Eric's example to show some of the beauty of org.
>
> OK, so I'm trying to understand it. (One of the reasons is that it
> doesn't work for me; somehow I couldn't get the svg export for inclusion
> in HTML. OTOH, conversion using pdf2svg does work for me (in LaTeX
> files), so I want to learn how to utilize it for Org-mode.)
>
>> This includes a caption for the diagram, and different output formats
>> for different export routes.
>>
>> Best,
>> Andreas
>>
>> --8<---------------cut here---------------start------------->8---
>> #+LATEX_HEADER: \usepackage{tikz}
>>
>> * tikz example
>>
>> #+name: tikz_example
>> #+header: :packages '(("" "tikz"))
>
> What does the above line do exactly?
>
This will ensure, that the produced latex file for the diagram loads
tikz. I could not find that documented, so maybe that should be
replaced by ':headers '("\\usepackage{tikz}")'. In my first tests it
now seems unnecessary, maybe due to a change in the semantics of
LATEX_HEADER when LATEX_HEADER_EXTRA was introduced.
So, I guess you can omit that altogether.
>> #+header: :file (by-backend (latex "example_diagram.tikz") (html "example_diagram.svg") (t "example_diagram.png"))
>
> The manual says that after :file I can have a string or a list of two
> strings. Does the above mean that it is in fact macroexpanded?
The argument of any header option can be replaced by an elisp form
(which then in this case should return a string or a list of two
strings).
> Do
> I get it correctly that the (t "example_diagram.png") refers to manual
> evaluation and not the evaluation during the export?
Yes. I use that to be able to see the diagram within the org document.
>
>> #+header: :imagemagick yes :iminoptions -density 600 :imoutoptions -geometry 800
>> #+header: :results file raw
>> #+header: :fit yes
>> #+begin_src latex
>> \begin{tikzpicture}
>> \node[red!50!black] (a) {A};
>> \node (b) [right of=a] {B};
>> \draw[->] (a) -- (b);
>> \end{tikzpicture}
>> #+end_src
>
> And, last but not least: how exactly the magic of tikz -> svg is
> supposed to work here? Do I get it correctly that in you example,
> Imagemagick handles both png and svg?
Yes, imagemagick does both here. And there is a bug in imagemagick up
to 6.9 producing corrupt svg [1]. I guess that is hitting you. Try
upgrading your imagemagick.
> What if I want to use pdf2svg
> instead?
I do not think that this is possible right now.
BUT:
You can use htlatex.
If you look at worg [2], you'll find an example demonstrating that.
It mainly requires setting
'(setq org-babel-latex-htlatex "htlatex")'.
I think that possibility might make pdf2svg unnecessary.
BUT 2:
This won't have an effect on the example in this thread.
I consider it a bug that the example I gave in this thread tries to run
imagemagick for the svg even if that variable is set to "htlatex". I'll
file a bug report in a separate thread.
>
>> #+caption: A tikz example diagram with a caption
>> #+results: tikz_example
>> [[file:example_diagram.png]]
>> --8<---------------cut here---------------end--------------->8---
>
> TIA,
HTH,
Andreas
Footnotes:
[1] http://www.imagemagick.org/discourse-server/viewtopic.php?t=27009
[2] http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html#sec-4-3
next prev parent reply other threads:[~2015-03-21 21:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-18 12:34 Embedding diagrams in Org Marcin Borkowski
2015-02-18 14:19 ` Eric S Fraga
2015-02-18 15:51 ` Eduardo Ochs
2015-02-18 19:01 ` Eric S Fraga
2015-02-19 8:45 ` Sebastien Vauban
2015-02-18 19:37 ` Andreas Leha
2015-02-19 8:49 ` Sebastien Vauban
2015-02-21 11:06 ` Andreas Leha
2015-02-19 14:10 ` Eric S Fraga
2015-03-21 11:23 ` Marcin Borkowski
2015-03-21 21:41 ` Andreas Leha [this message]
2015-02-24 0:01 ` Marcin Borkowski
2015-02-24 8:04 ` Eric S Fraga
2015-02-24 17:00 ` Charles C. Berry
2015-03-05 8:51 ` Sebastien Vauban
2015-03-04 19:19 ` Marcin Borkowski
2015-03-04 19:37 ` Rasmus
2015-03-04 21:22 ` Andreas Leha
2015-03-05 8:12 ` Eric S Fraga
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