%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 35-00-92 auf Seite 855.
%% 
%%  Copyright (C) 2016 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks,pst-plot,pst-xkey}
\makeatletter
\pst@addfams{pst-HSB}
\define@key[psset]{pst-HSB}{HueBegin}{% Between 0 and 1
  \def\PstParametricplotHSB@HueBegin{#1}}
\define@key[psset]{pst-HSB}{HueEnd}{% Between 0 and 1
  \def\PstParametricplotHSB@HueEnd{#1}}
\define@boolkey[psset]{pst-HSB}[Pst@]{HSB}[true]{}
% Default values
\psset[pst-HSB]{HueBegin=0,HueEnd=1,HSB=true}
\psset{dimen=outer}
\def\parametricplotHSB{\pst@object{parametricplotHSB}}
\def\parametricplotHSB@i#1#2#3{{%
  \begin@ClosedObj
  \addto@pscode{%
    /t #1 def
    /dt #2 t sub \psk@plotpoints\space div def
    /t t dt sub def
    /Counter 0 def
    1 setlinejoin
    \psk@plotpoints {
      /t t dt add def
      /Counter Counter 1 add def
      #3
      \pst@number\psyunit mul exch
      \pst@number\psxunit mul exch
      1 Counter eq { moveto currentpoint /OldY ED /OldX ED } % First point
        {\ifPst@HSB % Other points than the first one
          /PointY exch def
          /PointX exch def
          Counter \psk@plotpoints\space div
          \PstParametricplotHSB@HueEnd\space
          \PstParametricplotHSB@HueBegin\space sub mul
          \PstParametricplotHSB@HueBegin\space add
          1 1 sethsbcolor
          OldX OldY PointX PointY lineto lineto
          stroke
          PointX PointY moveto
  /OldX PointX def /OldY PointY def
        \else lineto \fi } ifelse
     } repeat }% fin du code ps
   \end@ClosedObj}%
  \ignorespaces} % fin de la commande PSTricks
\makeatother
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-5,-5)(5,5)
 \psframe*[linecolor=lightgray](-5,-4)(5,4)
 \psgrid[gridlabels=0,subgriddiv=0](-5,-4)(5,4)
 \multido{\nxDiv=-5+0.2}{50}{%
 \psline(\nxDiv,-.1)(\nxDiv,0.1)}
 \multido{\nyDiv=-4.0+0.2}{40}{%
 \psline(-0.1,\nyDiv)(0.1,\nyDiv)}
 \psset{linewidth=1mm}%
 \parametricplotHSB[plotpoints=2000,linecolor=blue,HSB=false,yunit=0.5]{-5}{5}{%
 t
 /temps t 2e-3 mul def
 /frequence2 100 def
 frequence2 360 mul temps mul cos
 1 mul 3 add
 }
 \parametricplotHSB[plotpoints=2000,yunit=1]{-5}{5}{%
 t
 /temps t 2e-3 mul def
 /frequence1 1200 def
 /frequence2 100 def
 frequence2 360 mul temps mul cos
 1 mul 3 add
 frequence1 360 mul temps mul cos
 4 mul
 mul
 0.1 mul
 }
\end{pspicture}
\end{document}
