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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/asymptote/doc/multicontour.asy
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+import contour;
+
+size(200);
+
+real f(real x, real y) {return x^2-y^2;}
+int n=10;
+real[] c=new real[n];
+for(int i=0; i < n; ++i) c[i]=(i-n/2)/n;
+
+pen[] p=sequence(new pen(int i) {
+ return (c[i] >= 0 ? solid : dashed)+fontsize(6pt);
+ },c.length);
+
+Label[] Labels=sequence(new Label(int i) {
+ return Label(c[i] != 0 ? (string) c[i] : "",Relative(unitrand()),(0,0),
+ UnFill(1bp));
+ },c.length);
+
+draw(Labels,contour(f,(-1,-1),(1,1),c),p);