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Diffstat (limited to 'graphics/metapost/contrib/macros/mp-geom2d/doc/exemples/polaires/pol07.mp')
-rw-r--r--graphics/metapost/contrib/macros/mp-geom2d/doc/exemples/polaires/pol07.mp29
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diff --git a/graphics/metapost/contrib/macros/mp-geom2d/doc/exemples/polaires/pol07.mp b/graphics/metapost/contrib/macros/mp-geom2d/doc/exemples/polaires/pol07.mp
new file mode 100644
index 0000000000..35ba629654
--- /dev/null
+++ b/graphics/metapost/contrib/macros/mp-geom2d/doc/exemples/polaires/pol07.mp
@@ -0,0 +1,29 @@
+input geom2d;
+
+labeloffset := 6;
+gddU:=1.5cm;
+
+vardef r(expr t) = 4*cos(t/3)*cos(t/3)*cos(t/3) enddef;
+vardef rp(expr t) = (r(t)*cos(t),r(t)*sin(t)) enddef;
+
+def traceDoubleVecteur(expr o,d)= drawdblarrow ((o-d)--(o+d)) gddEnPlace enddef;
+
+
+
+beginfig(1);
+ Repere(8,8,2,4,1,1);
+ Axes;
+ Debut;
+ Graduations; Unites(1);
+
+ drawoptions(withcolor Gainsboro);
+
+ trace CourbeEnPolaires(r,0,3Pi,450)
+ avecCrayon(1.5,Crimson);
+
+ drawoptions(withcolor LightGoldenrod);
+
+ pointe Point(0,0);
+ Fin;
+endfig;
+end