三角測量 (25)
Author: 藍邦偉  老師
Date: 11 12 月 2012

三角測量 (25)

顯示測量角度

f = 2.5 (slider from 0 to 10, step 0.1)
β = 0.3665191429188092 rad (slider from 0*° to 0.7853981633974483, step 0.017453292519943295)
O = (9.58, -2.04)
b: y = y(O)
A = Point(b)
a = Segment(O, A)
α = 0.8028514559173916 rad (slider from 0 to 1.3089969389957472, step 0.017453292519943295)
H: O + (0, a * tan(α))
B: A + (f * cos(β), f * sin(β))
c = Segment(A, B)
d = Segment(A, H)
e = Segment(O, H)
H_1: (x(O), y(B))
g = Segment(B, H_1)
h = Segment(B, H)
γ = Angle(H_1, B, H)
δ = Angle(O, A, H)
i = false
j = Ray(A, B)
C = Intersect(e, j)
多邊形1, c_1, o, a_1 = Polygon(O, A, C)
多邊形2, k, h_1, o_1 = Polygon(H, O, 0.5 * O + 0.5 * A)
n = 1 (slider from 0 to 1, step 1)