Licensing options for this format begin with FME Professional Edition.
The OpenGIS® City Geography Markup Language (CityGML) module enables FME to read and write files in the CityGML format.
This chapter assumes familiarity with GML and the CityGML format.
CityGML is an XML-based format for the storage and exchange of 3D urban models. It extends Geography Markup Language 3 (GML3) through an application schema.
This schema specification can be found at the CityGML website http://www.citygml.org/.