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From: Matt Lundin <mdl@imapmail.org>
To: Eric S Fraga <e.fraga@ucl.ac.uk>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: Question about org-beamer overlays
Date: Sat, 12 Mar 2011 08:32:08 -0500	[thread overview]
Message-ID: <87fwqsqxbb.fsf@fastmail.fm> (raw)
In-Reply-To: <87tyfbp0em.fsf@ucl.ac.uk> (Eric S. Fraga's message of "Thu, 10 Mar 2011 13:31:29 +0000")

Hi Eric,

Eric S Fraga <e.fraga@ucl.ac.uk> writes:

> Matt Lundin <mdl@imapmail.org> writes:

>> Any ideas how I might accomplish similar effects in org-beamer (without
>> having too hack up the org file with too much LaTeX code)?
> The attached (with three different figures...) will do the job although
> it does use latex for graphics statements unfortunately.  It may be
> possible to use the ATTR_LATEX feature to bring in the <N>
> specifications but I don't know how if so.  I have to change the column
> widths to fractions of \textwidth as that is the default.  Again, it may
> be possible to specify actual sizes but I don't know how.  I prefer
> fractions in any case as I don't have to worry about the actual "size"
> then (and so works for posters as well!).

Thanks so much for your helpful examples. There is clearly a lot more to
learn about org-beamer!

> Start by having latex snippets where you need them until you figure out
> how to do things natively in org.  The nice thing about org is that you
> can have pretty much as much latex as you want and it works just fine.
> I used the babel approach in the attachment but I could have done:

> *** right column                                      :BMCOL:B_ignoreheading:
>     :BEAMER_col: 0.6
>     :BEAMER_env: ignoreheading
>     :END:
>     #+begin_src latex
> \includegraphics<1>[height=3in]{mip.png} % first slide only
> \includegraphics<2>[height=3in]{sequence.png} % second slide only
> \includegraphics<3>[height=3in]{test.png} % third slide only
>     #+end_src

I discovered one org-mode solution here. I can use
org-beamer-environments-extra to wrap an only macro around an image

--8<---------------cut here---------------start------------->8---
(add-to-list 'org-beamer-environments-extra 
      '("only" "o" "\\only%a{%h%x" "}"))
--8<---------------cut here---------------end--------------->8---

A sequence of images in the same column can thus be accomplished with
the following:

--8<---------------cut here---------------start------------->8---
*** right column                                      :BMCOL:B_ignoreheading:
    :BEAMER_col: 0.6
    :BEAMER_env: ignoreheading
**** [[file:image1.png]]                               :B_only:
     :BEAMER_envargs: <1>
     :BEAMER_env: only
**** [[file:image2.jpg]]                                :B_only:
     :BEAMER_envargs: <2>
     :BEAMER_env: only
**** [[file:image3.png]]                                  :B_only:
     :BEAMER_envargs: <3>
     :BEAMER_env: only
--8<---------------cut here---------------end--------------->8---

Thanks again!

  reply	other threads:[~2011-03-12 13:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-09 18:59 Question about org-beamer overlays Matt Lundin
2011-03-10 13:31 ` Eric S Fraga
2011-03-12 13:32   ` Matt Lundin [this message]
2011-03-13 20:07     ` Eric S Fraga

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