Menu Project > GCP / MTP Manager... > GCP Coordinate System

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Access: On the Menu bar, click Project > GCP/MTP Manager...

The GCP Coordinate System section is used to define the coordinate system on which the GCPs/MTPs/Check Points position are based.

  • Datum: Represents the selected images' datum. By default, the selected Datum is World Geodetic System 1984.
  • Coordinate system: Represents the selected images' coordinate system.
    •  When the selected coordinate system is a Geographic Coordinate System.
    •  When the selected coordinate system is a Projected Coordinate System.
  • Vertical coordinate system or Geoid Height Above the Ellipsoid: It is displayed in parenthesis. It represents the vertical coordinate system / Geoid Height Above the used ellipsoid that will be used to convert the GCPs height from geoid to ellipsoidal. For more information about when to use this function: When to use the Geoid Height Above the Ellipsoid Function?.
  • Edit...: Opens the Select GCP Coordinate System pop-up that allows changing the selected coordinate system.
    For more information: Select Image / GCP / Output Coordinate System .


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