Type describing the class for Land Use in all LOD. LandUse objects describe areas of the earth’s surface dedicated to a specific land use. The geometry must consist of 3-D surfaces. As subclass of _CityObject, a LandUse inherits all attributes and relations, in particular an id, names, external references, and generalization relations. Class of a Landuse. The values of this type are defined in the XML file LandUseClassType.xml, according to the dictionary concept of GML3. Function of a Landuse. The values of this type are defined in the XML file LandUseFunctionType.xml, according to the dictionary concept of GML3. Usage of a Landuse. The values of this type are defined in the XML file LandUseUsageType.xml, according to the dictionary concept of GML3.