%%
%% A DANTE-Edition example
%%
%% Example 11-03-9 on page 128.
%%
%% 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{177.70511pt}
\setlength\parindent{0pt}
\usepackage{pstricks,pst-plot}
\begin{document}
\begin{pspicture}[showgrid](3,3)
\pscustom[fillcolor=lightgray,
fillstyle=solid]{%
\psplot{0}{3}{x 180 mul 1.57 div sin 2 add}
\closepath
\pscurve(3,1)(2,0)(1,1)(0,0)}
\end{pspicture}
\end{document}
