三角測量(17)
Author: 藍邦偉  老師

三角測量(17)

A = (-3.54, -2.06)
O = (4.38, 0.02)
t = 0.018 (slider from 0 to 1, step 0.0010)
C_1: A + t * Vector[A, O]
a: x = x(O)
H = Point(a)
b = Segment(H, O)
c = Segment(O, A)
d = Segment(C_1, H)
e = Line(H, c)
f: x = x(Corner[1.0])
K_1 = Intersect(f, e)
D: H + A - C_1
g = Ray(H, D)
α = Angle(C_1, H, D)