Re: [org-babel] suggestions for using tikz() graphic device with org-babel-R

[Erik Iverson <eriki@ccbr.umn.edu>]

> But, back to your question.  What does the R block return?
> 
> - if it returns the path to a file, then you can use :results file to
>   insert a link to that file in your org-mode buffer, or you can wrap
>   the path to that file in an include with something like the following
> 
>   #+source: graph-generator
>   #+begin_src R :results file
>     ...
>   #+end_src
>   
>   #+begin_src emacs-lisp :var path=graph-generator :results latex
>     (format "input{%s}" path)
>   #+end_src
> 
> - if it returns raw LaTeX then you can use the :results latex header as
>   used in the elisp block above

I just started looking at tikzDevice in R about two days ago.  It is 
indeed a graphical device, just like X11, pdf, or postscript, so it 
doesn't return anything.  It writes out a .tex file though, so you 
should be able to write a wrapper function that does return something 
useful for you.

--Erik