<xs:complexType name="IfcMapConversionType">
    <xs:complexContent>
      <xs:extension base="uro:IfcAttributeType">
        <xs:sequence>
          <xs:element name="sourceCRS" minOccurs="0" type="uro:IfcCoordinateReferenceSystemSelectType"/>
          <xs:element name="targetCRS" minOccurs="0" type="uro:IfcCoordinateReferenceSystemPropertyType"/>
          <xs:element name="eastings" minOccurs="0" type="gml:LengthType"/>
          <xs:element name="northings" minOccurs="0" type="gml:LengthType"/>
          <xs:element name="orthogonalHeight" minOccurs="0" type="gml:LengthType"/>
          <xs:element name="xAxisAbscissa" minOccurs="0" type="xs:double"/>
          <xs:element name="xAxisOrdinate" minOccurs="0" type="xs:double"/>
          <xs:element name="scale" minOccurs="0" type="xs:double"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>