%%
%% An UIT Edition example
%%
%% Example 04-14-1 on page 104.
%%
%% Copyright (C) 2012 Vo\ss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
% Show page(s) 1,2,3
%% ====
\PassOptionsToClass{}{beamer}
\documentclass{exabeamer}
\setlength\unitlength{1mm}
%\StartShownPreambleCommands
\usetheme{Hannover}
%\StopShownPreambleCommands
\begin{document}
\begin{frame}{Multi-column mode}{\texttt{columns}, \texttt{column}, \ldots}
\begin{columns}[b] % bottom aligned
\only<1->{% starting with overlay 1
\begin{column}{.4\textwidth}
\TeX\ is the world's premier markup-based typesetting system,
and PostScript is the leading language for describing the printed
page. We describe how they can produce even more beautiful results
when they work together.
\end{column}}
\begin{column}{.2\textwidth} % starting with overlay 2
\only<2->{\rule{20mm}{25mm}\put(-13,20){{\color{white}\TeX}}}
\end{column}
\only<3>{% only overlay 3
\begin{column}{.2\textwidth}{\color{red}\rule{20mm}{40mm}}
\put(-13,20){\LaTeX}
\end{column}}
\end{columns}
\end{frame}
\end{document}
