CityGML-Developers

There are a number of specifications, guidelines, examples and tools that support the development of CityGML enabled software solutions. CityGML Developers should know the following things

Specification and supporting documents

Note: For CityGML Specifications and XML Schemata prior to version 0.4.0 please go to the References section.

• The CityGML Specification version 0.4.0 is available here: CityGML Specification
• The CityGML 0.4.0 XML Schema is available here: CityGML 0.4.0 XML Schema
  Besides the XML Schema files the package contains small example datasets and an example CityGML Application Domain Extension.
• Two HTML online documentations of the CityGML 0.4.0 XML Schema are available: CityGML 0.4.0 XML Schema online documentation (created using Oxygen 8.2) and CityGML 0.4.0 XML Schema online documentation (created using Liquid XML Studio 2008)
• The CityGML 0.4.0 UML data model is available here: CityGML 0.4.0 UML data model (single slides) and CityGML 0.4.0 UML data model (poster version)
• A Change Document tracking the changes from the previous CityGML version 0.3.0 to CityGML version 0.4.0 is available here: CityGML 0.4.0 Change Document
• A full documentation of all GML versions is available from the offical OGC website: GML Specifications
• Sample CityGML files and WFSs for testing are available from different sources, see Examples and WFSs

Toolboxes and other development software

 XML authoring tools

• Liquid XML Editor is a free graphical XML Schema Editor (XSD), intellisense XML Editor and XSD & XML Validator from Liquid Technologies. --> Download