There is s program called poster. Not a good word to google for, but
On 19 Nov., 12:51, "Philippe Dreuw" <
dr...@cs.rwth-aachen.de> wrote:
> I don't know if there exists already a tool for this problem;
> otherwise I would use the \includegraphics viewport option to iterate
> and crop over the original poster. Try this out - first define an
> empty beamertheme style (empyt head and footline), then create a new
> poster-crop.tex A0 file which loads and crops the original A0 poster:
>
> \documentclass[final,hyperref={pdfpagelabels=false}]{beamer}
> \mode<presentation>
> {
> \usetheme{Empty}}
>
> \usepackage[orientation=portrait,size=A4]{beamerposter}
> \usepackage{textpos} % free image positioning
> \setlength{\TPVertModule}{1cm} % unit for vertical positioning
> \setlength{\TPHorizModule}{1cm} % unit for horizontal positioning
> \begin{document}
> \begin{frame}{}
> \begin{textblock}{4}(-1,-12)
> \includegraphics[clip=true,viewport=0cm 0cm 21.0cm 29.7cm]{poster}
> \end{textblock}
> \end{frame}
> \end{document}
>
> Then iterate over the A0 poster by changing the viewport values.
>