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From: "Sebastien Vauban" <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: Help with beamer environments + org-special-blocks!
Date: Wed, 26 Jun 2013 15:53:08 +0200	[thread overview]
Message-ID: <861u7pc723.fsf@somewhere.org> (raw)
In-Reply-To: 20130620080922.GA12128@panahar

Hi Vikas,

Vikas Rawal wrote:
> I am trying to use textpos to position images at specific location on
> a frame.

I now use TikZ to do that. I have the impression it is easier. Though, I have
the real impression of writing LaTeX inside an Org buffer... which I dislike.
I'd like to write text as text, and still get the ability to convert that to
HTML, for review, even if the layout wouldn't be (at all) the same.

> I would like something like this in the beamer export:
>
> \begin{textblock}{10}(3,3) \visible <2-> {
> \includegraphics[width=.9\linewidth]{scatterplot2.png}
> } \end{textblock}
>
> I have defined the following beamer environment.
>
> (add-to-list 'org-beamer-environments-extra
>              '("textpos1" "w" "\\begin{textblock}{%h}(3,3) \\visible %a {" "} \\end{textblock}"))

You normally could use such a block (the old "org-special-blocks", now
integrated in Org 8 -- thanks Nicolas):

--8<---------------cut here---------------start------------->8---
  #+begin_textblock
  Contents
  #+end_textblock
--8<---------------cut here---------------end--------------->8---

> The problem is (3,3) is fixed in the above specification. How can I
> specify it for a given headline? I have tried various ways of
> generalising this but nothing seems to work.
>
> For example, if I use the following:
>
> (add-to-list 'org-beamer-environments-extra
>              '("textpos1" "w" "\\begin{textblock}%h \\visible %a {" "} \\end{textblock}"))
>
> and write the headline as {10}(3,3), I get \{10\}(3,3) in beamer
> export rather than {10}(3,3).

Though, the problem stays the same with what I think is the right way to do
it...

See how Org gets converted to LaTeX:

--8<---------------cut here---------------start------------->8---
  #+begin_myenvironment                   \begin{myenvironment}
  Test of a new                           Test of a new
  environment.                            environment.
  #+end_myenvironment                     \end{myenvironment}
--8<---------------cut here---------------end--------------->8---

That's OK. But the environment had no parameters.

--8<---------------cut here---------------start------------->8---
  #+begin_myenvironment{3}                \#+begin\_myenvironment\{3\}
  Test of a new                           Test of a new
  environment.                            environment.
  #+end_myenvironment                     \#+end\_myenvironment
--8<---------------cut here---------------end--------------->8---

That's completely invalid LaTeX.

--8<---------------cut here---------------start------------->8---
  #+begin_myenvironment {3}               \begin{myenvironment}
  Test of a new                           Test of a new
  environment.                            environment.
  #+end_myenvironment                     \end{myenvironment}
--8<---------------cut here---------------end--------------->8---

That's valid LaTeX, but the arguments of the environment have been ignored!

IIRC, that's how we did before, with the original `org-special-blocks' file.

> How does one use the escape %o? I have looked through ox-beamer.el,
> worg and mailing list archives, but could not find a clear
> explanation. Will be grateful for a pointer.

I've no idea. I wonder as well how we do this.

Best regards,
  Seb

-- 
Sebastien Vauban

  reply	other threads:[~2013-06-26 13:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-20  8:09 Help with beamer environments Vikas Rawal
2013-06-26 13:53 ` Sebastien Vauban [this message]
2013-06-26 14:29   ` Help with beamer environments + org-special-blocks! Nicolas Goaziou
2013-06-27 10:03     ` Sebastien Vauban
2013-06-27 12:09       ` Nicolas Goaziou
2013-06-27 15:31         ` Sebastien Vauban
2013-06-27 16:18           ` Nicolas Goaziou
2013-06-29 12:45           ` Nicolas Goaziou
2013-06-28  9:48         ` Sebastien Vauban
2013-06-28 23:18           ` Nicolas Goaziou
2013-06-29  8:05             ` Sebastien Vauban

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