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Coordinate Systems in MobileMapper Office
In MobileMapper Office, the definition of a coordinate sys-
tem can be split into two different sets of parameters: hori-
zontal system and height system.
The horizontal system may be one of two types:
- Geodetic type: the system relies on the definition of a
datum. A datum is an ellipsoid with possible linear and
angular shifts
- Grid type: the system relies on the definition of a datum
and a projection
The height system may be one of two types:
- Ellipsoid elevations: All elevations are calculated from
the datum defined in the coordinate system used
- Orthometric elevations: All elevations are calculated
from the available geoid model (EGM96 Worldwide
Geoid model)
A large number of geodetic and grid systems are available
for use. However, if none of these systems is suitable for
your jobs, you can create a new one, based on the informa-
tion you have to define this system. This is described on page
109.