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+%% $Id: pst-thick.tex 170 2009-12-08 21:30:53Z herbert $
+%%
+%% This is file `pst-thick.tex',
+%%
+%% IMPORTANT NOTICE:
+%%
+%% Package `pst-thick.tex'
+%%
+%% MAnuel Luque 
+%% Herbert Voss 
+%%
+%% This program can be redistributed and/or modified under the terms
+%% of the LaTeX Project Public License Distributed from CTAN archives
+%% in directory CTAN:/macros/latex/base/lppl.txt.
+%%
+%% DESCRIPTION:
+%%   `pst-mirror' is a PSTricks package to view objects ob a spherical sphere
+%%
+%%
+%
+\ifx\PSTPlotLoaded\endinput\else\input pst-plot.tex\fi
+\ifx\PSTNodeLoaded\endinput\else\input pst-node.tex\fi
+\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey.tex\fi
+%
+\def\fileversion{1.0}
+\def\filedate{2009/12/08}
+\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
+
+\definecolor{darkgreen}{cmyk}{1,0,1,0.5}
+\newpsstyle{vide}{fillstyle=none}
+\newpsstyle{thickline}{fillstyle=solid,fillcolor=red!25,linecolor=red,plotpoints=360}
+\newpsstyle{onlythecurvered}{linecolor=red,plotpoints=360}
+\newpsstyle{onlythecurveblue}{linecolor=blue,plotpoints=360}
+\newpsstyle{thicklineblue}{fillstyle=solid,fillcolor=blue!25,linecolor=blue,plotpoints=360}
+\newpsstyle{rainbow}{fillstyle=ccslopes,linecolor=red,plotpoints=360}
+\newpsstyle{solide}{fillstyle=solid,fillcolor=black,plotpoints=360}
+\newpsstyle{serpent}{fillstyle=gradient,gradbegin=darkgreen,gradend=yellow,gradmidpoint=0,linecolor=green,gradangle=90,plotpoints=360}
+\newpsstyle{default}{}% lignes noires, rien à l'intérieur
+
+\pst@addfams{pst-thick}
+%
+\define@key[psset]{pst-thick}{E}[1]{\def\psk@thick@E{#1}}
+\define@key[psset]{pst-thick}{K}[0]{\def\psk@thick@K{#1}}% K=0 => angle de rotation/normale à la courbe
+\define@key[psset]{pst-thick}{stylethick}[thickline]{\def\psk@thick@stylethick{#1}}% style
+\define@key[psset]{pst-thick}{stylecurve1}[onlythecurvered]{\def\psk@thick@stylecurveA{#1}}% style
+\define@key[psset]{pst-thick}{stylecurve2}[onlythecurvered]{\def\psk@thick@stylecurveB{#1}}% style
+\psset[pst-thick]{E=1,K=0,stylethick=thickline,stylecurve1=onlythecurvered,stylecurve2=onlythecurvered}
+
+\define@boolkey[psset]{pst-thick}[Pst@]{curveonly}[true]{}
+\psset[pst-thick]{curveonly=false}
+
+\SpecialCoor
+
+\def\CalculsCurves{%
+    /ds dx dup mul dy dup mul add sqrt def
+    /dx dx ds div def
+    /dy dy ds div def
+    /dx' K cos dx mul K sin dy mul sub def
+    /dy' K sin dx mul K cos dy mul add def
+    /nx E 2 div dy' mul neg def % normale x
+    /ny E 2 div dx' mul def % normale y
+    /x1 x0 nx add def
+    /y1 y0 ny add def
+      x1 y1 }
+
+\def\psthick{\pst@object{psthick}}%
+\def\psthick@i#1#2#3{{%
+  \use@par
+  \ifPst@curveonly
+    \parametricplot[style=\psk@thick@stylecurveA]{#1}{#2}{%
+      /E \psk@thick@E\space def /K \psk@thick@K\space def
+      #3 \CalculsCurves }%
+    \parametricplot[style=\psk@thick@stylecurveB]{#2}{#1}{%
+      /E \psk@thick@E\space def
+      /K \psk@thick@K\space def
+      #3 
+      /ds dx dup mul dy dup mul add sqrt def
+      /dx dx ds div def
+      /dy dy ds div def
+      /dx' K cos dx mul K sin dy mul sub def
+      /dy' K sin dx mul K cos dy mul add def
+      /nx E 2 div dy' mul neg def % normale x
+      /ny E 2 div dx' mul def % normale y
+      x0 nx add y0 ny add  }
+  \else
+    \pscustom[style=\psk@thick@stylethick]{%
+      \parametricplot{#1}{#2}{%
+        /E \psk@thick@E\space def
+        /K \psk@thick@K\space def
+        #3 \CalculsCurves }%
+      \parametricplot{#2}{#1}{ #3 \CalculsCurves }
+      \closepath
+     }
+   \fi}\ignorespaces}
+
+\def\fonctionSinus#1#2{%
+    /P #1 def % période (10 unités)
+    /A #2 def % amplitude
+    /O 360 P div def % pulsation 2*pi/P
+    /x0 t def
+    /y0 t O mul sin A mul def % A*sin(O*t)
+    /dx dt def
+    /dy t dt add O mul sin
+        t O mul sin
+        sub
+        A mul def }
+
+\catcode`\@=\PstAtCode\relax
+\endinput