5 Abstract coordinate systems 29


Table 5.25 — Surface planetodetic CS



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Table 5.25 — Surface planetodetic CS



Field

Specification

Description

Surface planetodetic. Surface geodetic with longitude in opposite direction.

Label

SURFACE_PLANETODETIC

Code

18

Function type

Generating function.

CS type

Surface curvilinear.

Properties

Orthogonal.

CS parameters and constraints

a: major semi-axis length
b: minor semi-axis length

Constraints:


a
> b: (oblate ellipsoid)
a = b: (sphere)

Coordinate components

 : planetodetic longitude in radians, and
: geodetic latitude in radians.

Domain of the generating function or mapping equations



Generating function or mapping equations




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