%%
%%  Ein Beispiel der DANTE-Edition
%%
%%  7. Auflage
%%
%%  Beispiel 05-02-2 auf Seite 70.
%%
%%  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{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](-1,-1)(5,5)
\pscircleOA*[linecolor=black!40](1,1)(2,2.4)
\psdot[dotscale=1.5,dotstyle=+](1,1)
\psdot[dotscale=1.5](2,2.4)
\pscircleOA[linecolor=blue](2,2)(3,4)
\psdot[dotscale=1.5,dotstyle=+](2,2)
\psdot[dotscale=1.5](3,4)
\pscircleOA[linewidth=2pt](3,3)(2,4)
\psdot[dotscale=1.5,dotstyle=+](3,3)
\psdot[dotscale=1.5](2,4)
\pscircleOA*[opacity=0.3,
   linecolor=red](2.5,2.5)(2,4.5)
\psdot[dotscale=1.5,dotstyle=+](2.5,2.5)
\psdot[dotscale=1.5](2,4.5)
\end{pspicture}
\end{document}