LaTeX.org

Hello everyone!

I want to center an image vertically in landscape format.
Here's what I've got up to now:


\documentclass[12pt]{scrartcl}
\usepackage{rotating}

\begin{document}
\thispagestyle{empty}

\begin{sidewaysfigure}
\centering
\includegraphics[width=\linewidth]{testimage}
\caption{caption ...