• CityGML 2.0.0 XML Schema (version from 2012-03-14, corresponding to the OGC Encoding Standard version 2.0.0, zip archive, 681 KB including small example datasets and two example CityGML Application Domain Extensions). The CityGML application schema is based on the GML3.1.1 XML schemas, originally provided by the OGC, and the xAL 2.0 schema, provided by the OASIS consortium.
• CityGML 1.0.0 XML Schema (version from 2008-08-15, corresponding to the OGC Encoding Standard version 1.0.0, zip archive, 549 KB including small example datasets and an example CityGML Application Domain Extension). The CityGML application schema is based on the GML3.1.1 XML schemas, originally provided by the OGC, and the xAL 2.0 schema, provided by the OASIS consortium.
• CityGML 0.4.0 XML Schema (version from 2007-06-17, corresponding to the OGC Best Practice Paper, zip archive, 399 KB including small example datasets and an example CityGML Application Domain Extension). The CityGML application schema is based on the GML3.1.1 XML schemas, originally provided by the OGC, and the xAL 2.0 schema, provided by the OASIS consortium.
• An online documentation of the CityGML 0.4.0 XML schema document is available.
• Updated CityGML 0.3.1 XML Schema (version from 2007-03-22, zip-archive, 300 KB) containing the structures needed for the definition of Application Domain Extensions (ADE). Includes the CityGML Noise ADE and small example datasets with CityGML objects that are augmented by specific attributes and geometries needed for the computation of noise immission maps.
• CityGML 0.3.0 XML Schema (version from 2006-05-31, corresponding to the OGC discussion paper, zip archive, 237 KB including three small example datasets). The CityGML application schema is based on the GML3.1.1 XML schemas, originally provided by the OGC, and the xAL 2.0 schema, provided by the OASIS consortium.
• CityGML 2.0.0 UML data model (version from 2012-02-27, PDF document, 427 KB)
• CityGML 1.0.0 UML data model (version from 2008-08-15, PDF document, 110 KB)
• CityGML 0.4.0 UML data model (version from 2007-06-12, PDF document, 227 KB)
• CityGML 0.3.0 UML data model (version from 2006-05-31, PDF document, 154 KB)

Created and maintained by Thomas H. Kolbe
Last update: 2012-04-24