Thales Navigation Mobile Mapper - Manual (Page 115)

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3. Defining the height system
- In the lower part of the Coordinate System dialog box,
check the desired option ( Ellipsoid elevations or Ortho-
metric elevations ). If you choose Orthometric elevations ,
the Geoid Model field just below will automatically be
set to EGM96 Worldwide Geoid Model as this is the only
geoid model available in MobileMapper Office.
4. Enabling the chosen coordinate system
- Click OK to close the dialog box and enable the coor-
dinate system you have just chosen.
Creating a New Coordinate System
If the coordinate system you should use for a job is not avail-
able from the list and you have the complete definition of
this coordinate system, follow the procedure below to create
this coordinate system in Mobile Mapper Office.
- On the menu bar, select
Options and then Coordinate Sys-
tem... A new dialog box opens showing the name of the
currently used coordinate system (see below). This dia-
log box allows you to create and select a new system.
1. Creating a new Geodetic system
- Click the down arrow on the right of the System Type
combo box and highlight Geodetic . Then click the
down arrow on the right of the Geodetic Datum combo
box and highlight the first option in the list ( NEW ).