三角測量(17)
Author: 藍邦偉  老師
Date: 11 12 月 2012

三角測量(17)

A = (-3.74, -2.68)
B = (4.34, -0.32)
t = 0.773 (slider from 0 to 1, step 0.0010)
C_1: A + t * Vector[A, B]
a: x = x(B)
C = Point(a)
b = Segment(C, B)
c = Segment(B, A)
d = Segment(C_1, C)
e = Line(C, c)
f: x = x(Corner[1])
K_1 = Intersect(f, e)
D: C + A - C_1
g = Ray(C, D)
α = Angle(C_1, C, D)