From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Thomas S. Dye" Subject: Re: Unnumbered sections in LaTeX export Date: Tue, 15 Sep 2009 12:04:14 -1000 Message-ID: <401F602E-41B3-480B-8097-6A8C7CEF90CF@tsdye.com> References: <871046FB-9139-42CE-A996-15EA1A6B635D@tsdye.com> <871vm9z38k.fsf@gmx.de> <1CCB79D7-DB7A-4274-B6E8-F53EE2B69638@tsdye.com> <87ocpcvq2t.fsf@gmx.de> <70DA6B2C-D450-4679-AF11-C35EBCA21743@tsdye.com> <87iqfkayuc.fsf@gmx.de> Mime-Version: 1.0 (Apple Message framework v936) Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Return-path: Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Mng8N-0002TL-7U for emacs-orgmode@gnu.org; Tue, 15 Sep 2009 18:04:23 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Mng8I-0002SV-GP for emacs-orgmode@gnu.org; Tue, 15 Sep 2009 18:04:22 -0400 Received: from [199.232.76.173] (port=45995 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mng8I-0002SS-EL for emacs-orgmode@gnu.org; Tue, 15 Sep 2009 18:04:18 -0400 Received: from outbound-mail-118.bluehost.com ([69.89.22.18]:44149) by monty-python.gnu.org with smtp (Exim 4.60) (envelope-from ) id 1Mng8H-0001fe-P7 for emacs-orgmode@gnu.org; Tue, 15 Sep 2009 18:04:18 -0400 In-Reply-To: <87iqfkayuc.fsf@gmx.de> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Sebastian Rose Cc: emacs-orgmode@gnu.org On Sep 15, 2009, at 7:42 AM, Sebastian Rose wrote: > "Thomas S. Dye" writes: > >> Thanks Sebastian. I appreciate the expert assistance. I have a >> simple export >> to Beamer working and was trying to implement automatic export of >> columns, too. >> The starred sections were going to be placeholders for the columns >> heading >> level when it wasn't used. I've found that skipping a headline >> level in the >> source causes the latex exporter to skip over subsequent inferior >> levels, so it >> isn't possible to assign a heading level to columns and then use >> them or not as >> the case requires. > > You could try to add a class to `org-export-latex-classes'. For such a > class, you can define a mapping for each headline level: > > > ("my-beamer-class" "\\documentclass...\\usepackage{beamer}" > ("\\chapter{%s}" . "\\my-chapter*{%s}") > ("\\section{%s}" . "\\my-section*{%s}") > ("\\subsection{%s}" . "\\my-subsection*{%s}") > ("\\subsubsection{%s}" . "\\my-subsubsection*{%s}"))) > > I don't know if this is an easy thing to do, since I only did this > once > a long time ago. > But it seems it's worth a try. > > > See: > http://orgmode.org/manual/Sectioning-structure.html#Sectioning-structure > http://127.0.0.1/devel/org-notes/org-search.php?speedbar=1&main=/devel/org-notes/org-search.php > > > > > Sebastian Yes, that is what I'm playing around with. I have a useful, but simple export to beamer working. I've been trying without success to implement beamer's \begin{columns} ... \end{columns} environment. This is a fairly common construct in beamer that occurs inside some frames but not in others. It seems natural to put it like this: ("\\section{%s}" . "\\section{%s}") ("\\subsection{%s}" . "\\subsection{%s}") ("\\begin{frame}\\frametitle{%s}" "\\end{frame}" "\\begin{frame}\ \frametitle{%s}" "\\end{frame}") ("\\begin{columns}\\label{%s}" "\\end{columns}" "\\begin{columns}\ \label{%s}" "\\end{columns}") where the \label{%s} puts the mandatory use of %s somewhere it won't affect the LaTeX compilation. The problem with this is that for frames where columns aren't wanted, simply leaving out the fourth level in org means that everything below it won't be exported. This example results in an empty frame (Item 1 and Item 2 are dropped from the export): * Section head ** Subsection head *** Frame title ***** Item 1 ***** Item 2 It seems that a placeholder of some kind is needed if the columns environment isn't wanted. Initially, I explored using the definition for the unnumbered sections, like this: ("\\begin{columns}\\label{%s}" "\\end{columns}" "%%\\begin{columns}\ \label{%s}" "%%\\end{columns}") which would use a LaTeX comment as a placeholder. This won't work because the switch for numbered/unnumbered sections is set at the file level and not for individual instances. Then, I thought to define a do-nothing environment in LaTeX \newenvironment{nocolumns}{}{} set it up in .emacs like this: ("\\begin{%s}" "\\end{%s}" "\\begin{%s}" "\\end{%s}") and then put this in my .org file: * Section head ** Subsection head *** Frame title **** nocolumns ***** Item 1 ***** Item 2 But this doesn't work because %s doesn't expand in \\end{%s}. I get \begin{nocolumns} ... \end{%s}, which LaTeX doesn't like. So, I'm stumped for now, but still pleased to have a simple export from org to beamer working, albeit one that produces frames without columns. All the best, Tom