Hello,

On 2016-02-23 11:37, Alan Schmitt <alan.schmitt@polytechnique.org> writes:

> When exporting this source block to beamer
>
> #+header: :file (by-backend (beamer "foldleft.tikz") (t "foldleft.png"))
> #+header: :imagemagick yes :iminoptions -density 600 :imoutoptions -geometry 800
> #+header: :results file raw
> #+header: :headers '("\\usepackage{tikz}")
> #+begin_src latex
> \usetikzlibrary{matrix,arrows}
> \begin{tikzpicture}[scale=2, every node/.style={transform shape}]
> \matrix (m) [matrix of nodes, row sep=2em, column sep=3em]
> { & $[x_1;$ & $x_2;$ & $\ldots;$ & $x_n]$ & \\
>   $acc$ & \node (f1) [circle, draw] {$f$}; & \node (f2) [circle,draw] {$f$}; & & \node (fn) [circle,draw] {$f$}; & \texttt{fold\_left } $f$ \; $acc$ \; $[x_1; x_2; \ldots; x_n]$\\
> };
> \draw (m-2-1) edge[->,thick] (f1);
> \draw (f1) edge[->,thick] (f2);
> \draw (f2) edge[->,thick,dotted] (fn);
> \draw (fn) edge[->,thick] (m-2-6);
> \draw (m-1-2) edge[->,thick] (f1);
> \draw (m-1-3) edge[->,thick] (f2);
> \draw (m-1-5) edge[->,thick] (fn);
> \end{tikzpicture}
> #+end_src
>
> I get the following
>
>  \resizebox{.9\linewidth}{!}{\input{foldleft.tikz}}
>
> How can I change the parameter of the resizebox command? I tried adding
> a line
> #+attr_latex :width \linewidth
> as I usually do for images, but it is not taken into account.

I've found a workaround: I add

#+name: foldleft

before the block, and then I can put the attr_latex before an explicit
result block:

#+attr_latex: :width \linewidth
#+results: foldleft

Alan

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