samcarter
Elements that are larger than a beamer frame will protrude into the note page with the show notes on second screen option. Normally one does not see this because the note page has a coloured background by default, but I'm using a very simple note page instead of the default one.

How can I crop the beamer frame to avoid this problem?


\documentclass{beamer}

\setbeamertemplate{note page}{\insertnote}
\setbeameroption{show notes on second screen}

\begin{document}

\begin{frame}
\includegraphics[width=1.5\textwidth]{example-image-duck}
\note{note text}
\end{frame}

\end{document}


![document.png](/image?hash=ecb130678ebe224c8e8ea28832af2f344388ce96f5aab260872077c0861e965f)
samcarter
One can use the corner width=0pt option of pgfpages. This will ensure that the page is clipped to the desired size. Note that this must be done before \setbeameroption{show notes on second screen}:


\documentclass{beamer}

\setbeamertemplate{note page}{\insertnote}

\usepackage{pgfpages}
\pgfpagesuselayout{rounded corners}[corner width=0pt]
\setbeameroption{show notes on second screen}

\begin{document}

\begin{frame}
\includegraphics[width=1.5\textwidth]{example-image-duck}
\note{note text}
\end{frame}

\end{document}


This trick also works for all other applications of pgfpages, for example to create handouts:


\documentclass[aspectratio=169,handout]{beamer}

\mode<handout>{%
\usepackage{pgfpages}
\pgfpagesuselayout{rounded corners}[corner width=0pt]
\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
}

\setbeamercolor{background canvas}{bg=yellow}

\begin{document}

{
\setbeamertemplate{background canvas}{\includegraphics[width=\paperwidth]{example-image-duck}}
\begin{frame}
\titlepage
\end{frame}
}

\begin{frame}
My second slide
\end{frame}

\begin{frame}
My third slide
\end{frame}

\begin{frame}
My fourth slide
\end{frame}

\end{document}


![Screen Shot 2020-09-06 at 17.17.55.png](/image?hash=2c067aff0aedc788a77912689eb81d41a3ab81b0b8dc16aae856c228ef9fe95c)