%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-7-16 on page 247.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  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.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{111.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks}
\SpecialCoor
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,3)
  \psline[linewidth=3pt,linecolor=blue](3;50)(0,0)(3;10)
  \psarc[arcsep=3pt,linecolor=red]{->}{2.5}{10}{50}
  \pscircle(3;80){0.25}
  \psarc[arcsepA=3pt,arcsepB=0.25cm,linecolor=red]
     {->}{3}{10}{80}
\end{pspicture}
\end{document}