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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/epix/samples/artifacts.xp
Initial commit
Diffstat (limited to 'graphics/epix/samples/artifacts.xp')
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diff --git a/graphics/epix/samples/artifacts.xp b/graphics/epix/samples/artifacts.xp
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+/* -*-ePiX-*- */
+#include "epix.h"
+using namespace ePiX;
+
+const double MAX(1);
+
+P F(double u, double v)
+{
+ return sph(1, u, v);
+}
+
+int main()
+{
+ picture(P(0,0),P(5,1), "5 x 1in");
+
+ begin();
+
+ pst_format();
+ domain coarse(P(0,0), P(0.5, 1), mesh(6,12), mesh(60,60));
+ domain fine(P(0,0), P(0.5, 1), mesh(15,30), mesh(60,60));
+
+ revolutions();
+ camera.at(P(5, 4, 3));
+
+ fill(White());
+
+ nofill(); // fill color set -> flat shading
+ screen scr1(P(-1,-1), P(1,1));
+ activate(scr1);
+ surface(F, coarse);
+
+ screen scr2(P(-1,-1), P(1,1));
+ activate(scr2);
+ surface(F, fine);
+
+ fill();
+ screen scr3(P(-1,-1), P(1,1));
+ activate(scr3);
+ surface(F, coarse);
+
+ screen scr4(P(-1,-1), P(1,1));
+ activate(scr4);
+ surface(F, fine);
+
+ inset(scr1, P(0,0), P(1,1));
+ inset(scr2, P(1.25,0), P(2.25,1));
+ inset(scr3, P(2.5,0), P(3.5,1));
+ inset(scr4, P(3.75,0), P(4.75,1));
+
+ end();
+}