Documentation for Geography Markup Language
Definition Type: ComplexType
Name: AbstractDatumType
Namespace: http://www.opengis.net/gml
Type: gml:AbstractDatumBaseType
Containing Schema: datums.xsd
Abstract True
Documentation:
A datum specifies the relationship of a coordinate system to the earth, thus creating a coordinate reference system. A datum uses a parameter or set of parameters that determine the location of the origin, the orientation, and the scale of a coordinate reference system. This abstract complexType shall not be used, extended, or restricted, in an Application Schema, to define a concrete subtype with a meaning equivalent to a concrete subtype specified in this document.
Collapse XSD Schema Diagram:
Drilldown into scope in schema referencesystems_xsd Drilldown into validArea in schema referencesystems_xsd Drilldown into realizationEpoch in schema datums_xsd Drilldown into anchorPoint in schema datums_xsd Drilldown into datumID in schema datums_xsd Drilldown into datumName in schema datums_xsd Drilldown into remarks in schema referencesystems_xsd Drilldown into name in schema gmlbase_xsd Drilldown into description in schema gmlbase_xsd Drilldown into metaDataProperty in schema gmlbase_xsd Drilldown into id in schema gmlbase_xsd Drilldown into AbstractDatumBaseType in schema datums_xsdXSD Diagram of AbstractDatumType in schema datums_xsd (Geography Markup Language)
Collapse XSD Schema Code: 
<complexType name="AbstractDatumType" abstract="true">
    <annotation>
        <documentation>A datum specifies the relationship of a coordinate system to the earth, thus creating a coordinate reference system. A datum uses a parameter or set of parameters that determine the location of the origin, the orientation, and the scale of a coordinate reference system. This abstract complexType shall not be used, extended, or restricted, in an Application Schema, to define a concrete subtype with a meaning equivalent to a concrete subtype specified in this document. </documentation>
    </annotation>
    <complexContent>
        <extension base="gml:AbstractDatumBaseType">
            <sequence>
                <element ref="gml:datumID" minOccurs="0" maxOccurs="unbounded" />
                <element ref="gml:anchorPoint" minOccurs="0" />
                <element ref="gml:realizationEpoch" minOccurs="0" />
                <element ref="gml:validArea" minOccurs="0" />
                <element ref="gml:scope" minOccurs="0" />
            </sequence>
        </extension>
    </complexContent>
</complexType>
Collapse Child Elements:
Name Type Min Occurs Max Occurs
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
name gml:name 0 unbounded
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
name gml:name (1) unbounded
metaDataProperty gml:metaDataProperty 0 unbounded
remarks gml:remarks 0 (1)
datumName gml:datumName (1) (1)
datumID gml:datumID 0 unbounded
anchorPoint gml:anchorPoint 0 (1)
realizationEpoch gml:realizationEpoch 0 (1)
validArea gml:validArea 0 (1)
scope gml:scope 0 (1)
Collapse Child Attributes:
Name Type Default Value Use
id gml:id Required
Collapse Derivation Tree:
Collapse References:
gml:_Datumgml:EngineeringDatumType, gml:GeodeticDatumType, gml:ImageDatumType, gml:TemporalDatumBaseType, gml:VerticalDatumType,
Documentation for Geography Markup Language

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