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## Re: [O] [new exporter] no \caption and \label upon export of #+BEGIN_LAT

 From: Nicolas Goaziou Subject: Re: [O] [new exporter] no \caption and \label upon export of #+BEGIN_LATEX block Date: Sat, 10 Nov 2012 23:52:26 +0100

Hello,

Myles English <address@hidden> writes:

> I'd like to use a tikz snippet in a few different documents and it would
> be convenient to be able to include it in a latex document like so:
>
> #+CAPTION: a fine figure
> #+NAME:   figure:fine_figure
> #+ATTR_LaTeX: width=5cm
> #+BEGIN_LATEX
> \input{/home/myles/tex/tikz_figure.tex}
> #+END_LATEX
>
> What is exported is just the \input line, with no \label or \caption, i.e.:
>
> \input{/home/myles/tex/tikz_figure.tex}

Well, IMO, it doesn't make much sense to add a caption or a label to an
export block. Just write whatever you want within the block. I.e.:

#+BEGIN_LATEX
\caption{\label{figure:fine_figure}a fine figure}
\input{/home/myles/tex/tikz_figure.tex}
#+END_LATEX

Is there any downside to it?

> I believe this was possible with current (old) exporter, based on this
>
> http://lists.gnu.org/archive/html/emacs-orgmode/2012-10/msg00267.html

This thread is about src blocks. Adding a label or a caption is fine for
them.

> On second thoughts, perhaps another way to do it would be to have a
> source block make the tikz graphic as a standalone pdf/eps and then
> insert it as a link to the file.  The disadvantage of that would be that
> the tikz .tex file would need to be expanded to have it's own
> \begin/end{document} and would loose some flexibility.  Any thoughts on
> that route?

I don't know. for my graphics, I use Asymptote src-blocks generating
links to pdf files. E.g.:

#+NAME: app
#+BEGIN_SRC asymptote :file application.pdf
import graph;
defaultpen(fontsize(10pt));
unitsize(2cm);
pen p=blue;
real f(real x) { return x**2; }
real g(real x) { return -x + 2; }
draw(graph(f,0,1),p);
draw(graph(g,1,2),p);
xaxis(xmax=2.3,Ticks(Size=1mm,NoZero),Arrow(6pt));
yaxis(ymax=1.3,Ticks(step=.5,Step=1,Size=1mm,NoZero),Arrow(6pt));
label("$O$",(0,0),SW);
label("$C_f$",(1.5,g(1.5)),2N,p);
#+END_SRC

#+BEGIN_CENTER
#+RESULTS: app
[[file:application.pdf]]
#+END_CENTER

Regards,

--
Nicolas Goaziou



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