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From: Erik Iverson <eriki@ccbr.umn.edu>
To: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: [babel] strategies for generating multiple graphics files from same code block
Date: Mon, 09 Aug 2010 16:04:12 -0500	[thread overview]
Message-ID: <4C606D4C.1030904@ccbr.umn.edu> (raw)

Hello,

I'm using org-mode to write R code and generate figures.

I have multiple files generated per code block, one png and one PDF.
This is so that I can display the graphic:

1) Inline in my org-mode buffer (png)
2) Upon export to HTML, viewable in the browser (png)
3) Included in a separate PDF, *not* from exporting my org-mode
file.  For this, I would like a PDF version of the graphic to be
generated, and pdflatex can use it (pdf)

So, for points 1 and 2 above, no problem.

* Figure 1
Here is the first figure.

#+begin_src R :file figure1.png :width 960 :exports both :tangle fig1.R
   plot(1,1)
#+end_src

For point 3, I use tangling to write the source code to a file.  I 
notice that the graphical code is wrapped by the export process by a 
call to png() and dev.off().

My question, is there any facility to have the tangled code generate a 
PDF, instead of PNG?  I still need the png for goals 1 and 2, but the 
pdf for goal 3.  Anyone else have any other strategies for realizing all 
3 of my goals?

I suppose one would be to define a named code block, and use the noweb 
syntax:

Define the plot
#+srcname: fig-test
#+begin_src R
   plot(1,1)
#+end_src

Tangle, but don't export
#+begin_src R :file figure1.pdf :exports none :tangle fig1.R :noweb yes
  <<fig-test>>
#+end_src

Export, but don't tangle
#+begin_src R :file figure1.png :exports both :noweb yes
  <<fig-test>>
#+end_src

This is not too bad, but maybe there's an alternative approach?

Thanks!
Erik Iverson

next             reply	other threads:[~2010-08-09 21:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-09 21:04 Erik Iverson [this message]
2010-08-09 23:00 ` [babel] strategies for generating multiple graphics files from same code block Eric Schulte
2010-08-09 23:37   ` Erik Iverson
2010-08-10 18:21     ` Eric Schulte
2010-08-10 21:51       ` Dan Davison

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