On Mon, Mar 26, 2012 at 9:11 AM, Steve Hafner <steve.b.haf...@gmail.com> wrote:
> On Mon, Mar 26, 2012 at 3:48 AM, Andreas Leha
> <andreas.l...@med.uni-goettingen.de> wrote:
>> Andreas Leha <andreas.l...@med.uni-goettingen.de> writes:
>>
>> Sorry, sent with wrong version, see below:
>>
>>> Steve Hafner <steve.b.haf...@gmail.com> writes:
>>>
>>>> I'm trying to get a LaTeX scr block with Tikz code either to go native
>>>> into LaTeX or to be converted into a PNG file and included in HTML, as
>>>> described in
>>>> http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html.
>>>> That document refers to a thread on this list in which two example
>>>> were given:
>>>> http://lists.gnu.org/archive/html/emacs-orgmode/2011-02/msg01297.html
>>>> and http://lists.gnu.org/archive/html/emacs-orgmode/2011-02/msg01302.html.
>>>> Both examples behave in a similar way for me on Org-7.8.06, but not in
>>>> the way I expected. If I export to PDF then I just get
>>>> "[[file:test.png]]" in the PDF where I expected the image to be
>>>> visible, and if I export to HTML then nothing is visible in the HTML
>>>> file. Either way I export, the file test.png is indeed generated.
>>>>
>>>> So I wonder if these examples are valid with respect to 7.8.06 or
>>>> maybe my expectations are off. I would not think that the PNG file
>>>> should be generated for the PDF export, but would expect the image to
>>>> be visible when viewing either document. Reading the manual, it seems
>>>> that maybe the behavior has changed in the last year with respect to
>>>> these examples.
>>>>
>>>> So I've tried to figure it out with the manual. If I don't worry about
>>>> the HTML export, I'm able to set up the document so that the Tikz code
>>>> is included into LaTeX in the correct way; not too difficult. On the
>>>> other hand, if I don't worry about the LaTeX export, I can get the PNG
>>>> file to generate but can't get it automatically included into the
>>>> HTML. If I could get this second part figured out, then the plan would
>>>> be to have an elisp conditional testing on "backend" (if this is still
>>>> a valid symbol to test on) that would determine whether on not to
>>>> include :file etc. in the header for the src block. Any thoughts?
>>>>
>>>> --Steve
>>>
>>> Hi Steve,
>>>
>>> the examples are indeed out-dated.
>>>
>>> 1) 'backend is now
>>> 'org-export-current-backend (though I am not sure, I think there was
>>> also 'latexp at some time).
>>> 2) If the latex block is evaluated at all and a file argument is
>>> present, this will be used. So the block meant to go the latex->PDF
>>> route should not contain the :file argument.
>>> 3) Even if ":results graphics" or ":results file" is specified, the
>>> results of a latex block seem to be wrapped in
>>> #+begin_latex...#+end_latex. So for the block meant to go to the
>>> html, one way is to specify ":results org". But here I get a
>>> spurious ORG-ORG-START ...
>>>
>>> Anyway, besides that ORG-ORG-START thing, this seems to work on my side:
>>>
>>> ,----
>>> | * Tikz test
>>> | #+name: contents
>>> | #+begin_src latex :exports (if (and (boundp
>>> 'org-export-current-backend) (eq org-export-current-backend 'latex))
>>> "results" "none") :results latex
>>> | \begin{tikzpicture}
>>> | \node[red!50!black] (a) {A};
>>> | \node (b) [right of=a] {B};
>>> | \draw[->] (a) -- (b);
>>> | \end{tikzpicture}
>>> | #+end_src
>>> |
>>> | #+begin_src latex :exports (if (and (boundp
>>> 'org-export-current-backend) (eq org-export-current-backend 'latex)) "none"
>>> "results") :results file :file test.png :imagemagick yes :iminoptions
>>> -density 600 :imoutoptions -geometry 400 :fit yes :noweb yes :headers
>>> '("\\usepackage{tikz}")
>>
>> here it should have been :results org
>>
>>> | <<contents>>
>>> | #+end_src
>>> `----
>>>
>>> Regards,
>>> Andreas
>>
>>
>> Best,
>> Andreas
>>
>>
>>
>> PS: BTW, it requires tons of header arguments. These can be split over
>> several lines:
>> ,----
>> | * Tikz test
>> | #+name: contents
>> | #+header: :exports (if (and (boundp 'org-export-current-backend) (eq
>> org-export-current-backend 'latex)) "results" "none")
>> | #+header: :results latex
>> | #+begin_src latex
>> | \begin{tikzpicture}
>> | \node[red!50!black] (a) {A};
>> | \node (b) [right of=a] {B};
>> | \draw[->] (a) -- (b);
>> | \end{tikzpicture}
>> | #+end_src
>> |
>> | #+header: :exports (if (and (boundp 'org-export-current-backend) (eq
>> org-export-current-backend 'latex)) "none" "results")
>> | #+header: :results org :file test.png
>> | #+header: :imagemagick yes :iminoptions -density 600 :imoutoptions
>> -geometry 400
>> | #+header: :fit yes :noweb yes :headers '("\\usepackage{tikz}")
>> | #+begin_src latex
>> | <<contents>>
>> | #+end_src
>> `----
>>
>>
>
> Thank you, Andreas. It now works as expected. I don't have any
> problems that I can see with repect to this ORG-ORG-START issue; the
> exported files I get look clean.
Andreas, I just read your bug report about the ORG-ORG-START issue in
which you say the problem disappears with removal of indentation, and
in fact I had removed the indentation. Leaving it in I get excess
junk.
Steve
>
> For any in-the-dark readers coming across this thread, I needed to put
>
> #+LATEX_HEADER: \usepackage{tikz}
>
> in my file.
>
> Steve
