Information Technology Reference
In-Depth Information
physical size is given by
w
i
and
h
i
. They are centered on points
I
i
in such a way
that lines
I
i
C
i
defining the axes of sight are convergent at
CP
. The centers
C
i
and
C
l
i
must be on the same “centers line” and with a spacing of
B
i
(
C
i
=
C
l
i
+
B
i
X
and
c
i
=
c
l
i
+
B
i
).
Wb
CB
U
Z
P
i
2
X
D
i
2
CP
Hb
Y
C
i
α
i
c
i
f
i
I
i
β
i
h
i
U
i
CA
i
w
i
(a) Perspective view
Wb
U
Z
CB
CP
X
D
i
2
C
i
α
i
c
i
f
i
CA
i
U
i
I
i
w
i
(b) Top view
U
i
I
i
β
i
Wb
h
i
C
i
c
i
CB
CA
i
α
i
w
i
P
i
2
X
CP
Hb
U
Y
(c) Full-face view
Fig. 3
Implied shooting geometry