
\documentclass[a4paper,12pt,ngerman,oneside]{scrbook} \usepackage{pstricks} %%% Dokument \begin{document} %Dokument beginnen \psset{unit=3cm} \begin{pspicture}[showgrid=true](-2,-2)(2,2) \psline[linewidth=0.1/unit](2,0) \end{pspicture} \end{document} %Ende des Dokumentes