[Tex/LaTex] Can’t Change Beamer Poster Size

beamerbeamerposterposterssize;

I had made a beamer poster. Turns out I need to change its size.

Nothing I am doing is helping me. This is the exact poster I am using, https://www.overleaf.com/latex/templates/landscape-beamer-poster-template/vjpmsxxdvtqk#

I wanted to change its size to 76.2 x 76.2 cm.

\documentclass[final]{beamer}

\usepackage[size=custom,width=76.2,height=76.2,scale=1.25]{beamerposter}

%\usepackage[scale=1.24]{beamerposter} % Use the beamerposter package for laying out the poster
\usepackage{algorithm,algpseudocode}

\usetheme{confposter} % Use the confposter theme supplied with this template

Please help me know how to do this.

Thanks

Best Answer

In the part of the code you don't show in your question, your template hard codes the page size. If you comment these two lines you get a 76.2 x 76.2 cm page.

It is also unnecessary to load the graphicx package with beamer.

\documentclass[final]{beamer}
\usepackage[size=custom,width=76.2,height=76.2,scale=1.25]{beamerposter}
\usetheme{confposter} 

%\setlength{\paperwidth}{48in} % A0 width: 46.8in
%\setlength{\paperheight}{36in} % A0 height: 33.1in

%\usepackage{graphicx}

\title{title}
\author{author names}
\date{date}
\institute{institute}

\begin{document}

\begin{frame}
content
\end{frame}

\end{document}
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