F_2 = Point(xAxis)
F_1 = Point(xAxis)
C = (-0.5, 0)
c = Circle(F_1, C)
Q = Point(c)
a = Line(Q, F_1)
b = Line(Q, F_2)
M = Midpoint(Q, F_2)
d = OrthogonalLine(M, b)
P = Intersect(a, d)
luogo1 = Locus(P, Q)
e = Circle(P, F_2)
f = Segment(P, F_2)