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, 19 Jul 2012 10:29:55 -0500 [thread overview]
Message-ID: <CA+M2ft87e3wSXmxbE0niyNrdNkHQ9zyCE1iAuLGEeK4zebx0mw@mail.gmail.com> (raw)
In-Reply-To: <CA+M2ft-EwsjVLTMrqcRnFHVi9pXCmHMauWcZRP8Hiq4A4atd_A@mail.gmail.com>
On Thu, Jul 12, 2012 at 4:22 PM, John Hendy <jw.hendy@gmail.com> wrote:
> 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.
Tried this and confirm it works. Not too bad. One oddity. I re-use a
lot of similar R blocks for the same plot types but different data
attributes. I'll copy a block, change the :file attribute and #+name
of the block as as well as the #+results name argument, but when I
execute the block, I get a new #+results line. If I delete the new
line that was created and keep the old one from the copy/yank, it then
updates that.
Is there a reason it doesn't realize there's a named results block
already in existence until after it runs the first time?
John
>
> 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
>>> >
>>>
prev parent reply other threads:[~2012-07-19 15:30 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
2012-07-19 15:29 ` John Hendy [this message]
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