Hi Jeffrey,

the attached sample file works for me.

The html is only sub-optimal, though, as it just includes a link to a
pdf file.

Cheers,
Andreas



Am 21.02.2011 02:56, schrieb Erik Iverson:
> Jeffrey,
>
>> Now, I'd like to integrate them into an org document. I'd like:
>> 1) To use babel to handle the TikZ source
>
> This is possible.
>
>> 2) To wrap the resulting drawing in a figure environment for
>> automatic numbering and centering
>
> See
> http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html
> and search for "tikz" for an example.  I think you do need to use the
> :file argument
> for this to have org-mode take care of it automatically.
>
> Alternatively, you could just include *all* the latex you want, including
> constructing your own figure environment and caption and refs, in the
> latex
> code block.
>
>> 3) To be able to refer to the figure elsewhere in the document
>
> Should be possible with either approach above.
>
>> 4) (optional) To be able to seamlessly export to both LaTeX and HTML
>
> So should the HTML exporter generate a PNG file then, as opposed to PDF?
> This is possible, but requires some 'conditional' elisp code in your
> :file
> source block argument.  I think I can help if that's indeed what you
> want.
>
>> And somewhat unrelated, is ":results" now deprecated in favor of
>> ":exports"? What about ":file"? I'm sufficiently new to babel that
>> these all seem like they could be taken care of with a single header
>> argument with many options...
>
> Not deprecated at all according to my understanding:
>
> :results determines how the results are collected from a process. So,
> in R, we
> might want the standard output ':results output' or we might just want
> the last
> value returned by the code block, ':results value'.  This determines
> what is
> inserted into the org-mode buffer or the export stream when the code
> block
> is evaluated.
>
> :exports determines if the code and/or the results will be inserted upon
> exporting. *If* the results are inserted, then :results will determine
> how.
>
> :file is useful for code blocks that generate graphical output, such
> as tikz.
> This will divert the output into the named file, and exporting will
> insert
> that file.  In the org-mode buffer, a link will be inserted. If a png
> file is
> generated, it can even be displayed inline in the org-mode buffer if
> you turn
> on that functionality.
>
>
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