Geography Reference
In-Depth Information
Box 1.39 (Areal distortion, representations of its multiplicative and additive deformation
measures).
(i)
2
l
2
M
→
M
r
:
det[G
l
]d
U
d
V
=
det[G
r
]d
u
∧
∧
d
v,
det[G
r
]d
u
d
v
=
det[
G
l
]d
U
∧
∧
d
V
;
(1.269)
det[G
l
]d
U
d
V
=
det[G
r
∧
−
2E
r
]d
u
∧
d
v,
det[G
r
]d
u
d
v
=
det[G
l
∧
−
2E
l
]d
U
∧
d
V
;
det[G
l
]d
U
1
det[F
r
]
λ
1
λ
2
d
u
∧
d
V
=
∧
d
v,
det[G
r
]d
u
1
det[F
l
]
Λ
1
Λ
2
d
U
∧
d
v
=
∧
d
V
;
det[G
l
]d
U
2
2
,δ
μν
{
M
r
,g
μν
}
=
{
R
}⇒
∧
d
V
=
λ
1
λ
2
d
u
∧
d
v.
(ii)
Φ
l
=
det[C
l
G
−
l
]=
Λ
1
Λ
2
,
(1.270)
Φ
r
=
det[C
r
G
−
r
]=
λ
1
λ
2
.
(iii)
S
l
r
=
det[C
l
]
G
l
d
U
d
V,
S
l
r
=
det[G
r
]
−
√
G
r
d
u ∧
d
v
;
−
∧
1
det[F
l
]
d
U
S
l
r
=(
Λ
1
Λ
2
−
1)
∧
d
V,
(1.271)
1
det[F
r
]
d
u
S
r
l
=(
λ
1
λ
2
−
1)
∧
d
v
;
2
2
,δ
μv
}⇒
{
M
r
,g
μν
}
=
{
R
S
r
l
=(
λ
1
λ
2
−
1)d
u
∧
d
v.
To give you again some breathing time, please enjoy Fig.
1.29
, which presents the “quasicordi-
form” Bonne-pseudo-conic projection.
1-12 Equivalence Theorem of Equiareal Mapping
The equivalence theorem of equiareal mapping from the left to the right two-dimensional
Riemann manifold (areomorphism).
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