Carsten Dominik <carsten.dominik@gmail.com> writes:

> On 15.5.2013, at 22:21, John Hendy <jw.hendy@gmail.com> wrote:
>
>> On Wed, May 15, 2013 at 12:38 PM, Vincent Beffara <vbeffara@ens-lyon.fr> wrote:
>>> Dear list,
>>> 
>>> I would like to have the same org file export to both PDF (through
>>> LaTeX) and HTML. The problem I have is images: for printing, PDF images
>>> would be best but for display in a browser, it is much better to have a
>>> PNG file rather than a link to the PDF. So what I need is for the
>>> exporter to choose the image differently according to the backend.
>> 
>> I know this is more of a request for coding help, but just wanted to
>> add my vote that this would be great. I don't use html *that* much,
>> but having the option would be awesome, and the replacement of all
>> *.pdf links with *.png (and typically re-running R code to generate
>> .png version, or running imagemagick on the dir to create them) is
>> typically too much of a barrier so I just stick with PDF/Beamer.
>> 
>> I'd love something like this.
>

This was very recently discussed with respect to latex code, and
conditional pdf or svg export.  Could the following solution be adapted
to your R code blocks?

  http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html#sec-4-3

e.g. something like the following,