P0 = (0.88, -7.5)
P1 = (2.64, 0.8)
P2 = (11.8, 1)
P3 = (15, -4.96)
a = Segment(P0, P1)
b = Segment(P1, P2)
c = Segment(P2, P3)
Q0 = Point(a)
t: Distance[P0, Q0] / Distance[P0, P1]
Q1: P1 + t * (P2 - P1)
R0: Q0 + t * (Q1 - Q0)
Q2: P2 + t * (P3 - P2)
d = Segment(Q0, Q1)
e = Segment(Q1, Q2)
R1: Q1 + t * (Q2 - Q1)
f = Segment(R0, R1)
X: R0 + t * (R1 - R0)
Ortslinie1 = Locus(X, Q0)