<xs:element name="BaseFeature" type="SequencedBaseFeatureType" minOccurs="2" maxOccurs="2"><xs:annotation><xs:documentation>Each BaseFeature element identifies a base feature whose location will be used to compute a midpoint.</xs:documentation></xs:annotation></xs:element>
<xs:complexType name="PointFeatureMidPointType"><xs:annotation><xs:documentation>The PointFeatureMidPointType defines the construction of a point which is the midpoint of two base feature locations.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="ConstructionMethodBaseType"><xs:sequence><xs:element name="BaseFeature" type="SequencedBaseFeatureType" minOccurs="2" maxOccurs="2"><xs:annotation><xs:documentation>Each BaseFeature element identifies a base feature whose location will be used to compute a midpoint.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>