182 5 “Sphere to tangential plane”: polar (normal) aspect
N
S
r max
r max
P r
P l
p r
p l
O
Q lr
R
D
H
O
∗
|Φ r |
|Φ r |
∆ r
Fig. 5.13. Line-of-sight, normal perspective mapping of the sphere to the tangential plane at the North Pole,
projection plane at maximal distance.
N
S
r max
r max
P r
P l
p r
p l
O
Q lr
R
D
H
O
∗
|Φ r |
|Φ r |
∆ r
Fig. 5.14. Line-of-sight, normal perspective mapping of the sphere to the tangential plane at the South Pole,
projection plane at minimal distance.
N
S
r max
r max
P r
P l
p r
p l
O
Q lr
R
D
H
O
∗
|Φ r |
|Φ r |
∆ r
Fig. 5.13. Line-of-sight, normal perspective mapping of the sphere to the tangential plane at the North Pole,
projection plane at maximal distance.
N
S
r max
r max
P r
P l
p r
p l
O
Q lr
R
D
H
O
∗
|Φ r |
|Φ r |
∆ r
Fig. 5.14. Line-of-sight, normal perspective mapping of the sphere to the tangential plane at the South Pole,
projection plane at minimal distance.