Geography Reference
In-Depth Information
Fig. 11.3.
Mapping the sphere to a cylinder: transverse aspect, conformal mapping,
B
0
=0
◦
, transverse Mer-
cator projection
11-22 Conformal Mapping (Transverse Mercator Projection),
Compare with Fig.
11.3
x
y
=
R
cos
B
0
=
R
cos
B
0
=
A
A
ln cot
4
−
2
ln tan
4
+
2
B
=
R
cos
B
0
=
A
(11.5)
1
2
ln
1+sin
B
1
−
sin
B
=
R
cos
B
0
A
,
artanh(sin
B
)
Λ
1
=
Λ
2
=
cos
B
0
cos
B
.
(11.6)
11-23 Equal Area Mapping (Transverse Lambert Projection),
Compare with Fig.
11.4
x
y
=
R
A
cos
B
0
,
(11.7)
sin
B
cos
B
0
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