gml:primeMeridian

gml:primeMeridian is an association role to the prime meridian used by this geodetic datum.

Element information

Namespace: http://www.opengis.net/gml/3.2

Schema document: external/ogc/gml/3.2.1/datums.xsd

Type: gml:PrimeMeridianPropertyType

Properties: Global, Qualified

Content

gml:PrimeMeridian [0..1] A gml:PrimeMeridian defines the origin from which longitude values are determined. The default value for the prime meridian gml:identifier value is "Greenwich".

Attributes

Name	Occ	Type	Notes
xlink:type	[0..1]	xsd:string	Fixed value is "simple". from group xlink:simpleLink
xlink:href	[0..1]	xsd:anyURI	from group xlink:simpleLink
xlink:role	[0..1]	xsd:anyURI	from group xlink:simpleLink
xlink:arcrole	[0..1]	xsd:anyURI	from group xlink:simpleLink
xlink:title	[0..1]	xsd:string	from group xlink:simpleLink
xlink:show	[0..1]	Anonymous	from group xlink:simpleLink
xlink:actuate	[0..1]	Anonymous	from group xlink:simpleLink
nilReason	[0..1]	gml:NilReasonType	from group gml:AssociationAttributeGroup
gml:remoteSchema	[0..1]	xsd:anyURI	from group gml:AssociationAttributeGroup

Substitution hierarchy

gml:primeMeridian
- can be substituted with gml:usesPrimeMeridian

Sample instance

<gml:primeMeridian>
   <gml:PrimeMeridian gml:id="ID">
      <gml:metaDataProperty>
         <gml:GenericMetaData>Any text, intermingled with:...
         </gml:GenericMetaData>
      </gml:metaDataProperty>
      <gml:description>string</gml:description>
      <gml:descriptionReference/>
      <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
      <gml:name>string</gml:name>
      <gml:remarks>string</gml:remarks>
      <gml:greenwichLongitude uom="">1.0</gml:greenwichLongitude>
   </gml:PrimeMeridian>
</gml:primeMeridian>