--- /dev/null
+input gdd;
+input gdd-rep;
+input gdd-lbl;
+input gdd-tra;
+input svgnames;
+
+lblPreambule := "\usepackage[frenchb]{babel}" &
+ "\usepackage[garamond]{mathdesign}" &
+ "\usepackage{amsmath}";
+
+input gdd-fct;
+input gdd-plt;
+
+labeloffset := 6;
+gddU:=1.2cm;
+
+vardef f(expr t) = 2*cos(t)*cos(t)*cos(t) enddef;
+vardef g(expr t) = 2*sin(t)*sin(t)*sin(t) enddef;
+
+def avecCrayon(expr t,c) = withpen pencircle scaled t withcolor c enddef;
+
+
+
+beginfig(1);
+
+
+ Repere(8,8,4,4,1.8,1.8);
+ Axes;
+ Debut;
+ Graduations; Unites(1);
+
+ drawoptions(withpen pencircle scaled 0.5 withcolor LightSlateGrey);
+ trace ((-2,-2)--(-2,2)--(2,2)--(2,-2)--cycle);
+
+ nb = 80;
+ pas = 2*Pi/nb;
+ for i=0 upto nb: trace (0,2*sin(i*pas))--(2*cos(i*pas),0); endfor;
+
+ trace Vecteur((2,0),(1.2,0)) avecCrayon(1,RoyalBlue);
+ trace Vecteur((-2,0),(-1.2,0)) avecCrayon(1,RoyalBlue);
+ trace Vecteur((0,2),(0,1.2)) avecCrayon(1,RoyalBlue);
+ trace Vecteur((0,-2),(0,-1.2)) avecCrayon(1,RoyalBlue);
+
+ trace Courbe(f,g,0,2*Pi,500) avecCrayon(1.5,DarkOrange);
+
+ pointe Point(0,0);
+ pointe Point(2,0);
+ pointe Point(0,2);
+ pointe Point(0,-2);
+ pointe Point(-2,0);
+
+ Fin;
+
+
+endfig;
+
+end
\ No newline at end of file