%%
%%  A DANTE-Edition example
%%
%%  Example 11-03-23 on page 134.
%%
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-plot}

\begin{document}
\begin{pspicture}[showgrid](4,3)
\pscustom[fillcolor=black!10,
  fillstyle=solid]{%
   \translate(0,1.5)
   \psplot{0}{3}{x 180.0 mul 1.5 div sin}
   \movepath(1,0.5)}
\psline[linestyle=dashed]{*->}(0,1.5)(1,2)
\end{pspicture}
\end{document}