%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 12-01-2 auf Seite 157.
%% 
%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{121.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](0,1)(3,3)
  \psset{dotscale=2,xunit=2,yunit=1.5}
  \psdot(2;45)
  \psdot[linecolor=cyan](! 2 45 cos mul 2 45 sin mul)
  \psset{dotstyle=triangle*}
  \psdot(1.5;70)
  \psdot[linecolor=cyan](! 1.5 70 cos mul 1.5 70 sin mul)
\end{pspicture}
\end{document}
