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Re: [O] Beamer export: How to handle overlayarea
From: |
Nicolas Goaziou |
Subject: |
Re: [O] Beamer export: How to handle overlayarea |
Date: |
Mon, 21 Oct 2013 12:12:43 +0200 |
Hello,
James Harkins <address@hidden> writes:
> Per the beamer user guide, the syntax of the overlayarea environment is:
>
> \begin{overlayarea}{area width}{area height}
> environment contents
> \end{overlayarea}
>
> I can't figure out how to get the width and height in properly.
>
> From the customize interface, I added overlayarea as follows:
>
> '(org-beamer-environments-extra (quote (("CJK" "Z" "\\begin{CJK}%a%H"
> "\\end{CJK}") ("onlyenv" "O" "\\begin{onlyenv}%a" "\\end{onlyenv}")
> ("overlayarea" "Y" "\\begin{overlayarea}%o%a" "\\end{overlayarea}"))))
>
> And I can plug text into %o using the BEAMER_OPT property:
>
> *** Overlays :B_overlayarea:
> :PROPERTIES:
> :BEAMER_env: overlayarea
> :BEAMER_OPT: {0.9\textwidth}{0.7\textheight}
> :END:
>
> -->
>
> \begin{overlayarea}[{0.9\textwidth}{0.7\textheight}]
>
> Oh, hello, BEAMER_OPT automatically adds square brackets, how
> charming.
Optional arguments are in square brackets in LaTeX. Try %r instead, so
you can write:
*** {0.9\textwidth}{0.7\textheight} :B_overlayarea:
:PROPERTIES:
:BEAMER_env: overlayarea
:END:
> Still, I wonder if there shouldn't be, e.g., %O for
> options-without-brackets. Because that was 45 minutes I spent NOT
> writing my slides :-|
Options without brackets are not options anymore, but random arguments.
> Also, side note, [1] seems not to document BEAMER_OPT for environments
> within a frame. Reading this page, you would think you could only use
> it for frames. I had to dig into the source code to find how to
> populate %o.
Would you mind suggesting a better phrasing?
Regards,
--
Nicolas Goaziou