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-rw-r--r--graphics/epix/samples/geomsum.xp37
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+/* -*-ePiX-*- */
+/* geomsum.c -- July 16, 2001 */
+#include "epix.h"
+using namespace ePiX;
+
+const int N(8);
+
+int main()
+{
+ picture(P(0,0), P(1,1), "2.5x2.5in");
+ begin();
+
+ pen(White(), "0.8pt");
+ fill(White(0.9));
+ rect(P(0,0), P(1,1));
+
+ black();
+ label(P(1.0/4, 1.0/2), "$\\frac{1}{2}$");
+ label(P(5.0/8, 3.0/4), "$\\frac{1}{8}$");
+ label(P(13.0/16, 7.0/8), "$\\frac{1}{32}$");
+
+ white();
+ fill(Blue());
+ double t(0.5);
+
+ for(int i=0; i<N; ++i, t *= 0.5)
+ {
+ rect(P(1-t, 1-2*t), P(1, 1-t));
+ line(P(1-t, 1-2*t), P(1-t, 1));
+ }
+
+ label(P(3.0/4, 1.0/4), "$\\mathbf{\\frac{1}{4}}$");
+ label(P(7.0/8, 5.0/8), "$\\mathbf{\\frac{1}{16}}$");
+ label(P(15.0/16, 13.0/16), "$\\mathbf{\\frac{1}{64}}$");
+
+ end();
+}