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%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example 5-13-8 on page 283.
%%
%% 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{135.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks,pst-plot}
\SpecialCoor
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,3)
\pscustom[linecolor=red,linewidth=1.5pt]{%
\psplot{0}{3}{x 180 mul 1.57 div sin 2 add}
\moveto(1.5,1.5) \pscurve(3,0.25)(2,0)(1,1)(0,0) }
\psline[linestyle=dotted]{->}%
(! 3 dup 180 mul 1.57 div sin 2 add)(1.5,1.5)
\end{pspicture}
\end{document}
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