Geography Reference
In-Depth Information
X ( Λ, Φ )= E 1 F ( Φ )cos Λ + E 2 F ( Φ )sin Λ + E 3 G ( Φ ) .
Inverse parameterization:
{
X,Y,Z
}→{
Λ, Φ
}
,
(14.41)
Λ ( X ) = arctan YX 1 , Φ ( X ) : the general form is not representable .
Coordinates of the left metric tensor (rotationally symmetric figure):
G l = F 2 ( Φ )
.
0
(14.42)
0
F 2 ( Φ )+ G 2 ( Φ )
Coordinates of the right metric tensor (cylinder):
G r =I 2 .
(14.43)
Parameterized mapping:
x = F (0) Λ, y = f ( Φ ) .
(14.44)
Left Jacobi matrix:
J l = D Λ xD Φ x
= F (0)
.
0
(14.45)
D Λ yD Φ y
0
f ( Φ )
Left Cauchy-Green matrix:
C l =J l G 1 J l = F 2 (0)
.
0
(14.46)
f 2 ( Φ )
0
Left principal stretches:
Λ 1 = c 11 /G 11 = F (0)
F ( Φ ) , Λ 2 = c 22 /G 2 =
f ( Φ )
F 2 ( Φ )+ G 2 ( Φ ) .
(14.47)
Structure of the coordinate lines:
(i) : x = F (0) Λ.
(14.48)
(Straight line through the origin for Λ =const . )
(ii) : y = f ( Φ ) .
(14.49)
(Straight line through the origin for Φ =const . )
 
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