Schema Central > NIEM 2.1 > geometryBasic0d1d.xsd > gml:AbstractGeometryType
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All geometry elements are derived directly or indirectly from this abstract supertype. A geometry element may have an identifying attribute (gml:id), one or more names (elements identifier and name) and a description (elements description and descriptionReference) . It may be associated with a spatial reference system (attribute group gml:SRSReferenceGroup).
The following rules shall be adhered to:
-	Every geometry type shall derive from this abstract type.
-	Every geometry element (i.e. an element of a geometry type) shall be directly or indirectly in the substitution group of AbstractGeometry.

Complex type information



gml:id [1..1]xsd:IDfrom type gml:AbstractGMLType
srsName [0..1]xsd:anyURIfrom group gml:SRSReferenceGroup
srsDimension [0..1]xsd:positiveIntegerfrom group gml:SRSReferenceGroup
axisLabels [0..1]gml:NCNameListfrom group gml:SRSInformationGroup
uomLabels [0..1]gml:NCNameListfrom group gml:SRSInformationGroup

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Type inheritance chain

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