<xsd:complexType name="GeocentricCRSType" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:annotation>
<xsd:documentation>A coordinate reference system that deals with the earth's curvature by taking the 3D spatial view which obviates the need to model the earth's curvature. The origin of a geocentric CRS is at the approximate centre of mass of the earth. </xsd:documentation>
</xsd:annotation>
<xsd:complexContent>
<xsd:extension base="gml:AbstractCoordinateReferenceSystemType">
<xsd:sequence>
<xsd:choice>
<xsd:element name="usesCartesianCS" type="gml:CartesianCSRefType">
<xsd:annotation>
<xsd:documentation>Association to the Cartesian coordinate system used by this geocentric CRS. </xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="usesSphericalCS" type="gml:SphericalCSRefType">
<xsd:annotation>
<xsd:documentation>Association to the spherical coordinate system used by this geocentric CRS.</xsd:documentation>
</xsd:annotation>
</xsd:element>
</xsd:choice>
<xsd:element name="usesDatum" type="gml:GeodeticDatumRefType">
<xsd:annotation>
<xsd:documentation>Association to the geodetic datum used by this geocentric CRS. </xsd:documentation>
</xsd:annotation>
</xsd:element>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
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