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Re: [O] tikz for multiple targets

From: Eric Schulte
Subject: Re: [O] tikz for multiple targets
Date: Thu, 11 Jul 2013 10:07:15 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

> 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.

#+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
    \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} }};


* 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))

Eric Schulte

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