beameroverlays
I have several blocks in a slide:
\begin{block}{block 1}
block 1
\end{block}
\begin{block}{block 2}
block 2
\end{block}
\begin{block}{block 2}
block 2
\end{block}
Does anyone know how to overlay them so as to show them block by block by left-clicking mouse?
Just add overlay specifications to the lower blocks, as in:
\documentclass{beamer}
\begin{document}
\begin{frame}
\begin{columns}
\begin{column}{0.48\textwidth}
\begin{block}{left block 1}
left block 1
\end{block}
\begin{block}<2>{left block 2}
left block 2
\end{block}
\end{column}
\begin{column}{0.48\textwidth}
\begin{block}{right block 1}
right block 1
\end{block}
\begin{block}<2>{right block 2}
right block 2
\end{block}
\end{column}
\end{columns}
\end{frame}
\end{document}
You can use \againframe:
\documentclass{beamer}
\usetheme{Boadilla}
\usepackage[frenchb]{babel}
\begin{document}
\begin{frame}
\frametitle{1}
\end{frame}
\begin{frame}<1>[label=after]
\onslide<1->{\frametitle{Overlay}
After 1 }\\
\onslide<2>{After 2}
\end{frame}
\begin{frame}
\frametitle{2}
\end{frame}
\againframe{after}
\end{document}
Best Answer
Three ways (depending on how you want them to appear, there might be other possibilities):