%% 
%%  A DANTE-Edition example
%% 
%%  Example 06-03-9 on page 78.
%% 
%%  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-add}

\begin{document}
\psset{unit=1.75cm}
\begin{pspicture}(0,-1)(3,1)
  \psRandom[dotsize=4pt,dotstyle=o,
    linecolor=blue,fillcolor=red,
    fillstyle=solid,
    randomPoints=1000](0,-1)(3,1){%
     \psplot[linestyle=none]%
       {0}{3.14}{ x 114 mul sin }}
\end{pspicture}
\end{document}
