\documentclass[en]{sdqbeamer}

\usepackage{tikz}
\usepackage{calc}
\usepackage{ifthen}
\usetikzlibrary{calc,patterns,angles,quotes,shapes,arrows, positioning,overlay-beamer-styles}




\begin{document}
\begin{frame}
\input{diagrams/diagramm_occlusion.tex}
\end{frame}
\end{document}