O = Intersect(yAxis, xAxis)
S = Sphere(O, 6370)
B = Point(zAxis)
C = Point(zAxis)
f = Line(B, C)
D = Point(yAxis)
E = Point(yAxis)
g = Line(D, E)
b = OrthogonalPlane(O, g)
c = OrthogonalPlane(O, f)
d = IntersectPath(b, S)
e = IntersectPath(xOyPlane, S)
S1 = PointIn(S)
S3 = PointIn(S)
S2 = PointIn(S)
M = PointIn(S)
D1 = CircleArc(O, M, S1)
D2 = CircleArc(O, M, S2)
D3 = CircleArc(O, M, S3)
Q2: (D3 - D2) / 0.3
Q1: (D3 - D1) / 0.5
Q3_1: (D2 - D1) / 0.2
Q3: (D2 - D1) / 0.2
texte2: "coordonnées de S1: " + S1 + "
coordonnées de S2 : " + S2 + "
coordonnées de S3 : " + S3 + "
coordonnées de M:" + M + ""
texte1: "Q1=" + Q1 + "
Q2=" + Q2 + "
Q3=" + Q3 + ""