# Re: Export to LaTeX Beamer. [WAS: Re: [Orgmode] Re: LaTeX export bugs?]

On Sep 19, 2009, at 8:03 PM, Alan E. Davis wrote:


Hello:


I was happy to see a simple formula for exporting to Beamer. The following worked initially. However, this initialization routine was able to run only when org-latex had already been loaded.


On Sat, Jul 4, 2009 at 2:52 AM, Nick Dokos <nicholas.do...@hp.com> wrote:


Here's the minimal.emacs - you'll need to adjust the load path for your
setup:

,----

| (add-to-list 'load-path (expand-file-name "~/src/emacs/org/org- mode/lisp")) | (add-to-list 'auto-mode-alist '("\\.\$$org\\|org_archive\\|txt\$$ $" . org-mode)) | (require 'org-install) | (global-set-key "\C-cl" 'org-store-link) | (global-set-key "\C-ca" 'org-agenda) | (global-set-key "\C-cb" 'org-iswitchb) | (setq org-log-done (quote time)) | (setq org-log-into-drawer t) | | (load "org-exp") | (load "org-latex") | | (add-to-list 'org-export-latex-classes | '("beamer" | "\\documentclass[11pt]{beamer} | \\usepackage[utf8]{inputenc} | \\usepackage[T1]{fontenc} | \\usepackage{hyperref} | \\usepackage{verbatim} | \\setbeameroption{show notes} | \\usetheme{Goettingen} | \\useoutertheme{infolines}"  | ("\\begin{frame}\\frametitle{%s}\\begin{itemize}" "\ \end{itemize}\\end{frame}" | "\\begin{frame}\\frametitle{%s}\\begin{itemize}" "\ \end{itemize}\\end{frame}") | ("\\item{%s}" . "\\item*{%s}") | ) | ) ----  Is it possible to put this inside of a hook (say, when org-latex was loaded, or when the document class was beamer during the export process)?   Emacs just reports the following when this code is included into the init file:  Symbol's value as variable is void: org-export-latex-classes  After explicitly loading the library "org-latex" the code is executed and the procedure works for exporting the example file--- given that the latex code must be cleaned up.  I haven't yet tried the following as a heading line: #+OPTIONS: toc:nil Would that solve the problem you reported? Alan and here's slides.org: ,---- | #+LaTeX_CLASS: beamer | #+TITLE: Example presentation  | #+AUTHOR: Nick Dokos \\$<$\href{mailto:nicholas.do...@hp.com}{nicholas.dokos@hp.com }$>$| #+EMAIL: nicholas.do...@hp.com | #+OPTIONS: toc:nil H:2 | | * Why | ** Reason 1. | Text explaining reason #1. | ** Reason 2. | ... more explanations. | ** Reason 3. | Blah, blah, blah. | | ** Reason 4. | Why not? | | * What | ** First piece. | ** Second piece. | ** Third piece. | ** Fourth piece. ---- Thank you for this helpful advice. Alan Davis  You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing---that's what counts.  ----Richard Feynman _______________________________________________ Emacs-orgmode mailing list Remember: use Reply All' to send replies to the list. Emacs-orgmode@gnu.org http://lists.gnu.org/mailman/listinfo/emacs-orgmode   Aloha Alan, Here is a somewhat more elaborate set-up.  In customize org-export-latex-classes (or add to appropriate place in .emacs):  \documentclass{beamer} \mode<{{{beamermode}}}> { \usetheme{{{{beamertheme}}}} \usecolortheme{{{{beamercolortheme}}}} } \usepackage[english]{babel} \usepackage[latin1]{inputenc} \usepackage{times} \usepackage[T1]{fontenc} \institute{{{{beamerinstitute}}}} \subject{{{{beamersubject}}}}  The macros here let me specify things that I like to change on a per- file basis. So, in my org file there is this:  #+MACRO: BEAMERMODE presentation #+MACRO: BEAMERTHEME Malmoe #+MACRO: BEAMERCOLORTHEME tsdye #+MACRO: BEAMERSUBJECT Evolutionary archaeology #+MACRO: BEAMERINSTITUTE T. S. Dye \& Colleagues \\ B. P. Bishop Museum  I typically use sections and subsections in my talks (and the Malmoe theme displays them nicely within beamer). So, I have this in customize org-export-latex-classes:  INS DEL Choice: Value Menu Heading: numbered: \section{%s} unnumbered): \section{%s} INS DEL Choice: Value Menu Heading: numbered: \subsection{%s} unnumbered): \subsection{%s} INS DEL Choice: Value Menu Environment:  Opening (numbered) : \begin{frame} \frametitle{%s}  Closing (numbered) : \end{frame}  Opening (unnumbered): \begin{frame} \frametitle{%s}  Closing (unnumbered): \end{frame} I have the standard value for org-export-latex-low-levels in customize:  Org Export Latex Low Levels: Hide Value Value Menu Convert as itemized list  And then this in my .org file: #+OPTIONS: H:3 #+OPTIONS: toc:nil A typical slide show might look like this, in part: * Introduction ** Evolution *** Four Components of Evolutionary Processes **** Inheritance = Social learning **** {{{alert(Mutation)}}} = {{{alert(Innovation)}}} **** Selection = Function **** Drift = Style  I use beamer's \alert{} command a lot, and often have figures in my slide shows, so I defined two convenience macros:  #+MACRO: ALERT \alert{$1}

#+MACRO: FIGURE \begin{centering}\includegraphics[$2]{$1}\par \end{centering}

And use FIGURE like this:

*** Determining Fish Size from Vertebrae
{{{figure(r/bm_verts,width=12cm)}}}

**** The probability a bone was {{{alert(not)}}} recovered is:
#+BEGIN_LaTeX
$1 - \hat{r}$
#+END_LaTeX


I haven't found a way to export columns yet. If I could do this, then I'd be able to generate most of my beamer presentations completely from org-mode. As it is, I'm enjoying substantial productivity gains with this set-up.

HTH,
Tom


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