Arc orienté
Author: Daniel Mentrard

D = (3.2800000000000002, -3.7)
E = (6.1000000000000005, -2.18)
F = (3.84, -0.58)
poly1, f, d, e = Polygon(D, E, F)
G = Point(f)
H = Point(e)
g, v = Outil1(D, G, H)
I = (6.42, 3.24)
J = (9.46, 1.02)
K = (6, -0.96)
poly2, k, i, j = Polygon(I, J, K)
L = Point(j)
M = Point(k)
h, w = Outil1(I, L, M)

Tool: Outil1
Centre, point1, point2 (sens trigonométrique)
Input: A, B, C
Output: c, u

c_1 = CircleArc(A, B, C)
c = CircleArc(A, B, C)
D = Point(c)
E = Point(c)
u = Vector(E, D)