From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
Subject: Re: [RFC] Overlay specification for includegraphics
Date: Sun, 27 Oct 2013 23:16:32 +0100
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To: Carsten Dominik <carsten.dominik@gmail.com>
Cc: Emacs Org mode <emacs-orgmode@gnu.org>

On Sun, Oct 27, 2013 at 07:44:09PM +0100, Suvayu Ali wrote:
> On Sun, Oct 27, 2013 at 03:09:38PM +0100, Carsten Dominik wrote:
> > 
> > On 27.10.2013, at 14:23, Suvayu Ali <fatkasuvayu+linux@gmail.com> wrote:
> > 
> > > Hi,
> > > 
> > > While working on a presentation recently, I realised there was no easy
> > > way to specify overlay specifications for images during beamer export.
> > > Since this is already supported for lists, e.g. by adding
> > > `#+attr_latex :overlay +-'.  I was wondering if it is possible to add
> > > this for images?
> > > 
> > > Something like this would be amazing:
> > > 
> > >  #+attr_latex: :overlay 1 :width 0.9\textwidth
> > >  [[file:graphics/test.pdf]]
> > > 
> > > is exported as,
> > > 
> > >  \includegraphics<1>[width=0.9\textwidth]{graphics/test.pdf}
> > > 
> > > What do you think?
> > > 
> > > PS: I noticed if I use #+attr_beamer: instead of #+attr_latex:,
> > >    the :options property is ignored, and :width is overwritten with
> > >    "0.9\linewidth".  Is that intended
> > 
> > I am not sure about this problem, but clearly, your request of the overlay property need to use attr_beamer, not attr_latex.
> > 
> 
> I tried attr_latex because attr_beamer was overwriting everything.  I
> will investigate why attr_beamer is not working on a minimal instance
> tomorrow.

I tested with a minimal setup.  Same issue.  The following:

  #+attr_beamer: :overlay 1 :width 0.8\linewidth
  [[file:bla.png]]

exports as,

  \includegraphics[width=.9\linewidth]{bla.png}

Something is off.

Hope this helps,

-- 
Suvayu

Open source is the future. It sets us free.