value(Monkey ) = ape_phi

arc(center = 0, 0)

to(0, 11)

to(11, 0)

to(0, -11)

to close

MONITORS

contour(Monkey )

PLOTS

grid(X, Y)

contour(Monkey )

surface(Monkey )

elevation(Monkey ) from(0, -11) to(0, 11)

vector(Monkey ) from (0,-11) to (0,11)

End

Рисунок 2.- Исходная область.