From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Schulte <schulte.eric@gmail.com>
Subject: Re: tikz for multiple targets
Date: Thu, 11 Jul 2013 10:07:15 -0600
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To: Andreas Leha <andreas.leha@med.uni-goettingen.de>
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Content-Type: text/plain

>
> This is very nice and works well for me.  I would very much like to see
> that in orgmode.  Thanks a lot!
>

Great, I've just committed this patch.  Thanks for your original example
which this simply extends.

>
> How do I extend your example to output latex for latex, svg for html and
> png in all other cases?
>

The attached does this.  The catch is that the :imagemagick header
argument is required for png (and other) image types to be used.


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Content-Disposition: inline; filename=tikz-pdf-svg.org

#+LATEX_HEADER: \usepackage{tikz}

First execute the second code block, to define the convenience macro
and to set the required new variables in ob-latex.el.  Then export to
HTML and to pdf to see the tree exported as an SVG image and as
embedded tikz respectively.

* Tikz test
Here's a tree, exported to both html and pdf.

#+header: :file (by-backend (html "tree.svg") (pdf 'nil) (t "tree.png"))
#+header: :imagemagick
#+header: :results (by-backend (pdf "latex") (t "raw"))
#+begin_src latex
  \usetikzlibrary{trees}
  \begin{tikzpicture}
    \node [circle, draw, fill=red!20] at (0,0) {1}
    child { node [circle, draw, fill=blue!30] {2}
      child { node [circle, draw, fill=green!30] {3} }
      child { node [circle, draw, fill=yellow!30] {4} }};
  \end{tikzpicture}
#+end_src

#+RESULTS:
[[file:tree.png]]

* COMMENT setup
#+begin_src emacs-lisp :results silent
  (setq org-babel-latex-htlatex "htlatex")
  (defmacro by-backend (&rest body)
    `(case (if (boundp 'backend) (org-export-backend-name backend) nil) ,@body))
#+end_src

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Cheers,

-- 
Eric Schulte
http://cs.unm.edu/~eschulte

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