PO

quadrante orientato

tβ

angolo 
azimutale

A

stilo verticale ribaltato 
su PO di vertici CA

zenit ribaltato

raggio solare
ribaltato sul PO

Angolo sul piano
verticale (altezza)

A'

raggio solare
passante per A
e parallelo al raggio 
ribaltato

Ombra dello stilo verticale CA

E = (0.8299870765619505, -0.7599212412363057)
O = (19.15793539892989, -0.7599212412363057)
a = Segment(E, O)
C = Midpoint(a)
c = Circle(C, O)
S = Point(c)
b = Segment(C, S)
N = Point(c)
d = Segment(C, N)
Z = (12.139281840264585, 8.279900763837095)
A_1 = (16.839589115921903, 12.510177311928679)
p = Segment(Z, A_1)
A = (0.3832199306120403, 6.603571558530608)
e = Line(C, A)
B = (5.861396066216052, -2.7524146505908416)
f = Circle(C, B)
D = Intersect(f, e, 2)
F = Intersect(f, d, 1)
g = CircleArc(C, D, F)
G = (0.5678775531604902, -4.106570549279472)
H = (5.307423198570703, -2.4446519463434253)
u = Vector(G, H)
h = OrthogonalLine(C, e)
α = Angle(e, h)
I = Point(h)
i = Segment(C, I)
B_1 = (12.535063187654757, 1.8974254666738806)
C_1 = (21.478473850297345, 6.109483391660376)
q = Segment(B_1, C_1)
J = Point(h)
K = (20.141585543296173, 7.95772745721924)
v = Vector(J, K)
L = (4.384135085828453, 10.850696877144951)
j = Segment(C, L)
M = Point(j)
P = Point(e)
k = CircleArc(C, M, P)
Q = Point(k)
R = (-5.785174498863952, 6.488130408943177)
w = Vector(Q, R)
l = Line(I, j)
D_1 = (20.03598825954854, -6.180493841519398)
E_1 = (24.017248490015238, -4.680308827140646)
A' = Intersect(e, l)
T = Point(l)
U = (22.08095879047695, 2.2524781489633665)
z = Vector(T, U)
m = Segment(C, A')
V = Point(m)
W = (23.41853318836531, -5.252800416965771)
n = Vector(V, W)