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A gml:PrimeMeridian defines the origin from which longitude values are determined. The default value for the prime meridian gml:identifier value is "Greenwich".

Element information

Type: gml:PrimeMeridianType

Properties: Global, Qualified



gml:id [1..1]xsd:IDThe attribute gml:id supports provision of a handle for the XML element representing a GML Object. Its use is mandatory for all GML objects. It is of XML type ID, so is constrained to be unique in the XML document within which it occurs.from type gml:DefinitionBaseType

Substitution hierarchy

Sample instance

<gml:PrimeMeridian gml:id="ID">
      <gml:GenericMetaData>Any text, intermingled with:
         <!--any element-->
   <gml:identifier codeSpace="">string</gml:identifier>
   <gml:greenwichLongitude uom="">1.0</gml:greenwichLongitude>

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