Riemann'sche Zahlenkugel

Ziehe G auf 
der Geraden

Bewege Z

a: x^(2) + y^(2) + (z - 1)^(2) = 1
b = CurveCartesian(t, (2 * t) - 2, 0, t, -1, 3)
N: (0, 0, 2)
d: (2 * x) - y + z = 2
Z = (1.4554921107208116, -0.9153339810580633, -4.440892098500626E-16)
h = Line(Z, N)
Z', C = Intersect(h, a)
B = (-0.029494949494949296, 0.29858585858585895)
D = (0.6573737373737407, 0.29858585858585895)
G = Point(b)
f = Line(N, G)
E, G' = Intersect(f, a)
O: (0, 0, 0)
c = Circle(N, Z', O)
g = Line(O, Z)