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A reference direction as determined by the means by which it is established (e.g., by the direction of a geographic or magnetic pole of the Earth).

Element information

Type: nga:DirectionDatumCodeType

Properties: Global, Qualified, Nillable


  • Type based on xsd:token
    • Valid valueDescription
      geodeticReferenced to the direction of the geographic North Pole.
      MagneticReferenced to the direction of the magnetic North Pole.
      militaryGridReferenced to the direction of "north" in a military grid established by a suitable map-projection, for example Universal Transverse Mercator (UTM).
      RelativeReferenced to a direction established by the context of use (for example: the heading of a vessel).
  • Attributes

    structures:id [0..1]xsd:IDfrom group structures:SimpleObjectAttributeGroup
    structures:ref [0..1]xsd:IDREFfrom group structures:SimpleObjectAttributeGroup
    structures:uri [0..1]xsd:anyURIfrom group structures:SimpleObjectAttributeGroup
    structures:metadata [0..1]xsd:IDREFSfrom group structures:SimpleObjectAttributeGroup
    structures:relationshipMetadata [0..1]xsd:IDREFSfrom group structures:SimpleObjectAttributeGroup
    Any attribute[0..*]Namespace: urn:us:gov:ic:ism urn:us:gov:ic:ntk, Process Contents: laxfrom group structures:SimpleObjectAttributeGroup

    Sample instance