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## Re: [Orgmode] latex export and beamer columns

 From: Thomas S. Dye Subject: Re: [Orgmode] latex export and beamer columns Date: Sat, 21 Nov 2009 06:33:52 -1000

On Nov 21, 2009, at 2:49 AM, Eric S Fraga wrote:


Recently, in September, there was a discussion about exporting org
files to latex using the beamer class and generating slides with
multiple columns:

http://article.gmane.org/gmane.emacs.orgmode/17546

No solution was presented at that time but I think I've managed to
create one that is quite reasonable.  I define a beamer entry in
org-export-latex-classes which has the following definitions for the
different headings in an org-mode file:

--8<---------------cut here---------------start------------->8---
("\\section{%s}" . "\\section*{%s}")
("\\begin{frame}\\frametitle{%s}" "\\end{frame}"
"\\begin{frame}\\frametitle{%s}" "\\end{frame}")
("\\begin{columns} \% %s" "\\end{columns}"
"\\begin{columns} \% %s" "\\end{columns}")
("\\begin{column}{%s\\textwidth}" "\\end{column}"
"\\begin{column}{%s\\textwidth}" "\\end{column}")
--8<---------------cut here---------------end--------------->8---

Then, if I have a 3rd level heading (whose actual text is ignored),
multiple columns mode is entered and the level 4 headings indicate the
widths (relative to \textwidth although obviously one could generalise
this) of each subsequent column.

*Note*: for this to work, you have to specify H:4 in the document
OPTIONS or else the 4th level headings are turned into items in an
itemized list.

So, for instance, this will generate a slide with two columns of text
(noting that I use odd levels only for my headings):

--8<---------------cut here---------------start------------->8---
# -*- coding: utf-8; -*-
#+TITLE:     Beamer column test
#+AUTHOR:    Eric
#+OPTIONS:   H:4 num:t toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t

#+OPTIONS: TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in- toc
#+LaTeX_CLASS: beamer

*** An interesting slide
***** columns (this text is ignored)
******* 0.3
- Some text on the left of the slide
- make sure we have at least two bullet points
- this is a narrow column
******* 0.7
- text on the right side of the slide
- and more
- and even more
- and this is a much wider column
--8<---------------cut here---------------end--------------->8---

I can now create the slides for presentations and lectures completely
within org-mode so I'm a very happy camper!

eric

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Aloha Eric,


Thanks very much for this approach to creating beamer slides with columns. The earlier discussion didn't come up with a solution at least partly because I was clinging to the notion that low-level headings, below the levels specified by the H option, should be used for itemized lists. Once this mistaken assumption is abandoned, your solution becomes clear.

Nice!

All the best,
Tom

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