From: John Hendy <jw.hendy@gmail.com>
To: nicholas.dokos@hp.com
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: Centering R babel plots in LaTeX/Beamer export?
Date: Thu, 12 Jul 2012 16:22:30 -0500 [thread overview]
Message-ID: <CA+M2ft-EwsjVLTMrqcRnFHVi9pXCmHMauWcZRP8Hiq4A4atd_A@mail.gmail.com> (raw)
In-Reply-To: <8198.1341876273@alphaville>
On Mon, Jul 9, 2012 at 6:24 PM, Nick Dokos <nicholas.dokos@hp.com> wrote:
> John Hendy <jw.hendy@gmail.com> wrote:
>
>> On Mon, Jul 9, 2012 at 4:26 PM, Nick Dokos <nicholas.dokos@hp.com> wrote:
>> > John Hendy <jw.hendy@gmail.com> wrote:
>> >
>> >> I'm exporting a Beamer presentation with R babel blocks and my plots
>> >> are not centered. This should be a reproducible example:
>> >>
>> >> -----
>> >> #+startup: beamer
>> >> #+latex_class: beamer
>> >> #+options: toc:nil latex:t tex:t
>> >> #+latex_class_options: [presentation,bigger]
>> >> #+beamer_frame_level: 1
>> >>
>> >> * plot
>> >>
>> >> #+header: :width 8 :height 6
>> >> #+begin_src R :exports results :results output graphics :file file.pdf
>> >> x <- c(1:10)
>> >> y <- x^2
>> >> plot(x,y)
>> >> #+end_src
>> >> -----
>> >>
>> >> I tried putting #+begin_center and #+end_center around the block, but
>> >> it changes the LaTeX export to wrapping my R block in
>> >> \begin/\end{verbatim}.
>> >>
>> >> Worg ob-R-doc has a :pagecentre option, but says it defaults to true,
>> >> so I'm not sure that's my fix.
>> >>
>> >
>> > This is pretty much brute-force, but seems to work:
>> >
>> > --8<---------------cut here---------------start------------->8---
>> > #+startup: beamer
>> > #+latex_class: beamer
>> > #+options: toc:nil latex:t tex:t
>> > #+latex_class_options: [presentation,bigger]
>> > #+beamer_frame_level: 1
>> >
>> > * plot
>> >
>> > #+header: :width 8 :height 6
>> > #+name: foo
>> > #+begin_src R :exports results :results output graphics :file file.pdf :pagecentre true
>> > x <- c(1:10)
>> > y <- x^2
>> > plot(x,y)
>> > #+end_src
>> >
>> > #+LATEX: \begin{center}
>> > #+RESULTS: foo
>> > [[file:file.pdf]]
>> > #+LATEX: \end{center}
>> > --8<---------------cut here---------------end--------------->8---
>> >
>>
>> I only get a #+results line if I do C-c C-c on the block. I'm
>> primarily tweaking other stuff and just using C-c C-e p to export to
>> LaTeX, which produces no #+results section and thus does not allow me
>> to use a center environment around that bit. I suppose I can manually
>> add them, but if I re-evaluate babel doesn't recognize it as the
>> #+results section anymore and I wind up with this after the second
>> eval:
>>
>
> Not here: if you have a *named* code block (did you add the ``#+name: foo''
> line to the code block?), the results block is named the same way the first
> time it is generated (as you say, C-c C-c on the block is necessary to
> produce it). But once it is produced, I can delete the link to file.pdf
> (but not the ``#+RESULTS: foo'' line), redo the C-c C-c and end up with
> exactly the same thing as before: no duplication of results blocks.
Ah. I did not (and do not usually) use the #+name argument. I'll try that out.
Thanks!
John
>
> And this property of named blocks allows the results block to be separated
> from the code block by arbitrary intervening text:
>
> --8<---------------cut here---------------start------------->8---
> #+startup: beamer
> #+latex_class: beamer
> #+options: toc:nil latex:t tex:t
> #+latex_class_options: [presentation,bigger]
> #+beamer_frame_level: 1
>
> * plot
>
> #+header: :width 8 :height 6
> #+name: foo
> #+begin_src R :exports results :results output graphics :file file.pdf :pagecentre true
> x <- c(1:10)
> y <- x^2
> plot(x,y)
> #+end_src
>
>
> foo
>
> bar
>
> * baz
>
> #+LATEX: \begin{center}
>
> #+RESULTS: foo
>
> #+LATEX: \end{center}
> --8<---------------cut here---------------end--------------->8---
>
> The link will be placed after the ``#+RESULTS: foo'' line.
>
> Nick
>
> PS. Org-mode version 7.8.11 (release_7.8.11-139-g0442b9 @ /home/nick/elisp/org-mode/lisp/)
> (includes 3 local commits).
>
>> -----
>> #+RESULTS: foo
>> [[file:file.pdf]]
>>
>> #+LATEX: \begin{center}
>> #+RESULTS: foo
>> [[file:file.pdf]]
>> #+LATEX: \end{center}
>> -----
>>
>> I still may consider it as an interim solution. I'm surprised there's
>> no option to center resultant plots!
>>
>
> PPS. There may be: I just don't know.
>
>>
>> John
>>
>>
>> > Nick
>> >
>>
next prev parent reply other threads:[~2012-07-12 21:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 17:18 Centering R babel plots in LaTeX/Beamer export? John Hendy
2012-07-09 21:26 ` Nick Dokos
2012-07-09 21:56 ` John Hendy
2012-07-09 23:24 ` Nick Dokos
2012-07-12 21:22 ` John Hendy [this message]
2012-07-19 15:29 ` John Hendy
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