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I want to change the part numbering in beamer.

I tried the following:


but without any success. The Roman numbering stays.

What would be the best way to do it?

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up vote 5 down vote accepted

You should modify the part page template; it is defined as:

% Part page: default

\defbeamertemplate*{part page}{default}[1][]
    {\usebeamerfont{part name}\usebeamercolor[fg]{part name}\partname~\insertromanpartnumber}
    \begin{beamercolorbox}[sep=16pt,center,#1]{part title}
      \usebeamerfont{part title}\insertpart\par

and it uses \insertromanpartnumber. There is a simple method to get arabic numebers: change the previous command into \insertpartnumber.

Quoting the beameruserguide:

The following commands are useful for this template:

  • \insertpart inserts the current part name.
  • \insertpartnumber inserts the current part number as an Arabic number into a template.
  • \insertpartromannumber inserts the current part number as a Roman number into a template.

Here is a MWE:


\setbeamertemplate{part page}
    {\usebeamerfont{part name}\usebeamercolor[fg]{part name}\partname~\insertpartnumber}
    \begin{beamercolorbox}[sep=16pt,center]{part title}
      \usebeamerfont{part title}\insertpart\par

\part{Review of Previous Lecture}
\section[Previous Lecture]{Summary of the Previous Lecture}
\subsection{Learning Objectives}

\part{Today's Lecture}
\section{Topic A}
\section{Topic B}


To change the label Part into Theme for example, you should proceed like this:

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Thank you that works, but now I seem not to be able to change the name from "Part" to say "Theme" – Louis Aug 2 '12 at 9:30
I guess you can remove \partname with Theme in the template part page. Did you try? – Claudio Fiandrino Aug 2 '12 at 12:19
@GonzaloMedina: yes, now I see that the previous comment is a bit misleading. I'll edit the answer to accomplish this task. – Claudio Fiandrino Aug 2 '12 at 13:04
I got an answer to the change of the name see: tex.stackexchange.com/questions/65608/… – Louis Aug 2 '12 at 15:54

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