From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric S Fraga <e.fraga@ucl.ac.uk>
Subject: Re: problem with babel and dot
Date: Sat, 13 Feb 2016 11:00:25 +0000
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Okay, I have figured this out and here is the solution in case anybody
else wants to do something like this:

1. create a very simple dot src block:

   #+begin_src org
     ,#+name: generate-graph
     ,#+begin_src dot :var graph="digraph {}" :file graph.pdf
       $graph
     ,#+end_src
   #+end_src

2. call the original tables -> graph block with a :post command to
   invoke this new block:

   #+begin_src org
     ,#+call: graph-from-tables(options="rankdir=LR;",nodes=subtasks-table[2:-1],graph=dependency-table[2:-1]) :exports results :results file :post generate-graph[:results file :exports results :file dependency-graph.pdf](graph=*this*)
   #+end_src

This works like a charm.  There are probably superfluous settings but
this over-specified combination does what I want!

Sorry for all the noise.  As always, power comes with complexity and
babel is definitely powerful.  If org is the killer app for emacs, then
babel is the killer app for org!


thanks,
eric

-- 
: Eric S Fraga (0xFFFCF67D), Emacs 25.0.90.1, Org release_8.3.3-565-g4f499f