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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/examples/fillcontour.asy
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+import graph;
+import palette;
+import contour;
+
+size(12cm,IgnoreAspect);
+
+pair a=(pi/2,0);
+pair b=(3pi/2,2pi);
+
+real f(real x, real y) {return cos(x)*sin(y);}
+
+int N=100;
+int Divs=10;
+
+defaultpen(1bp);
+
+bounds range=bounds(-1,1);
+
+real[] Cvals=uniform(range.min,range.max,Divs);
+guide[][] g=contour(f,a,b,Cvals,N,operator --);
+
+pen[] Palette=quantize(Rainbow(),Divs);
+
+pen[][] interior=interior(g,extend(Palette,grey,black));
+fill(g,interior);
+draw(g);
+
+palette("$f(x,y)$",range,point(SE)+(0.5,0),point(NE)+(1,0),Right,Palette,
+ PaletteTicks("$%+#0.1f$",N=Divs));