The first joint international workshop will take place on December 06 until December 08, 2017 in Karlsruhe, Germany at EIFER.

On 17-11-2017, the 55th Plenary Session of the SIG3D will take place as a Joint Theme Day "3D City Models" of the Geonetzwerk Münsterland in Muenster, Germany.

The joint international  workshop will take place on June 30, 2017 in Vienna, Austria at AIT

The joint international workshop on the development of a CityGML EnergyADE will take place on 23rd May 2017 at CSTB in Grenoble