<xs:complexType name="AbstractReliefComponentType" abstract="true">
	<xs:annotation>
		<xs:documentation>Type describing the components of a relief feature - either a TIN, a Grid, mass points or break lines. As
			subclass of _CityObject, a ReliefComponent inherits all attributes and relations, in particular an id, names, external
			references, and generalization relations. </xs:documentation>
	</xs:annotation>
	<xs:complexContent>
		<xs:extension base="core:AbstractCityObjectType">
			<xs:sequence>
				<xs:element name="lod" type="core:integerBetween0and4"/>
				<xs:element name="extent" type="gml:PolygonPropertyType" minOccurs="0"/>
				<xs:element ref="_GenericApplicationPropertyOfReliefComponent" minOccurs="0" maxOccurs="unbounded"/>
			</xs:sequence>
		</xs:extension>
	</xs:complexContent>
</xs:complexType>