Súradný systém - bod

O_1 = Point(xAxis)
A: (6, 7, 5)
f = Line(A, zAxis)
A_1 = Intersect(f, xOyPlane)
h = Line(A_1, xAxis)
B_1 = Intersect(h, yAxis)
C_1 = Intersect(yAxis, xAxis)
g = Line(A_1, yAxis)
D_1 = Intersect(g, xAxis)
k = Line(A, xAxis)
l = Line(B_1, zAxis)
B = Intersect(l, k)
m = Line(B, yAxis)
C = Intersect(zAxis, m)
n = Line(C, k)
p = Line(A, m)
D = Intersect(p, n)
q = Segment(A, B)
r = Segment(B, C)
s = Segment(C, D)
t = Segment(D, A)
a = Segment(A, A_1)
b = Segment(A_1, B_1)
c = Segment(B_1, B)
d = Segment(D_1, A_1)
e = Segment(D_1, D)
u = Vector(C_1, D_1)
v = Vector(C_1, C)
i = Line(D_1, f)
j = Line(A, g)
w = Vector(C_1, B_1)