Schema Central > NIEM 2.1 > datums.xsd > gml:semiMajorAxis
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gml:semiMajorAxis specifies the length of the semi-major axis of the ellipsoid, with its units. Uses the MeasureType with the restriction that the unit of measure referenced by uom must be suitable for a length, such as metres or feet.

Element information

Type: gml:MeasureType

Properties: Global, Qualified


  • xsd:double
  • Attributes

    uom [1..1]gml:UomIdentifier

    Used in

    Sample instance

    <gml:semiMajorAxis uom="">1.0</gml:semiMajorAxis>

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