S- střed stejnolehlosti
λ - koeficient stejnolehlosti

k - vzor

k' - obraz

B = (1.8, 2.26)
S = (7.84, 0.78)
λ = -1.6 (slider from -3 to 3, step 0.1)
O = (5.74, 0.66)
k = Circle(O, 1.5)
O' = Dilate(O, λ, S)
k' = Dilate(k, λ, S)
C = Point(k)
C' = Dilate(C, λ, S)
r = Segment(O, C)
r' = Segment(C', O')
a = Distance(r', r)
text4: "r= " + r + ""
text5: "r' = " + r' + ""
p: r' / r
text6: "r' : r = " + p + ""
b = Segment(C, C')
c = Segment(O, O')
d = Segment(S, C)
e = Segment(S, O)