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/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;
P f(double r, double th)
{
return P(r*Cos(th), r*Sin(th), pow(r, 3)*Cos(3*th));
}
int main()
{
picture(P(-1,-1),P(1,1), "2x1in");
begin();
domain R(P(0,0), P(1, 2*M_PI), mesh(8,40), mesh(8,80));
camera.at(3,1,2); // set the viewpoint
arrow(P(0,0,0), P(1.25,0,0));
arrow(P(0,0,0), P(0,1.25,0));
plain(Blue(1.2));
fill(Yellow()); // shade
surface(f, R);
pst_format();
end();
}
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