3D City Database Version 3.3

New features in release 3.3

 

We are happy to announce the release of the new version 3.3 of the 3D City Database (3DCityDB).

Besides improvements and bugfixes, this release introduces a dedicated web-client based on Cesium for the visualization of 3D city models in standard web browsers such as Mozilla Firefox, Google Chrome and Apple Safari without the need for additional plugins.

 

Since version 3.0, the 3DCityDB supports both CityGML 2.0 and 1.0, and features a simple OGC compliant Web Feature Service for web based requests of CityGML objects. The Open Source license of the 3DCityDB has been changed from the Lesser GNU Public License to the Apache 2.0 License.

 

The new features will be available for our customers with the next release of the virtualcityDATABASE. Our virtualcityMAP technology is already based on the Open Source core and extends it to enable high-performance visualizations of 3D city models of any size also on mobile devices such as smartphones and tablets under Android and iOS.

 

In addition, the virtualcityMAP allows for the integration of further geospatial datasets such as terrain models, oblique imagery, massive point clouds, prototype objects, WM(T)S and WFS services as well as 2D base maps (Live Demo). Our virtualcityWFS goes beyond the Open Source version in that it allows for querying objects using complex thematic and spatial filters and for inserting, deleting and updating CityGML objects.

 

 

Key database features

 

  • Semantically and hierarchically structured data model based on CityGML
  • Support for CityGML 2.0 and 1.0
  • Support for all 5 CityGML LoDs
  • Support for generic and prototypical objects
  • Management of textures and terrain models
  • Extensive and fully revised documentation

 

 

Key tool features

 

  • Reading and writing of CityGML files of any size and including textures and XLinks
  • Runs on Windows, Linux, and MacOS X
  • KML/COLLADA/gITF exporter with various display options and automatic tiling for Google Earth and Cesium (WebGL)
  • Dedicated Cesium based 3D web client for the visualization of city models in standard web browsers
  • Attribute data display in configurable information balloons
  • Batch mode for imports and exports
  • Export of additional thematic data into spreadsheets
  • Support for coordinate transformations
  • WFS 2.0.0 (Simple WFS Profile)

 

 

The bundle is freely available for download at www.3dcitydb.org.

 

What is the 3D City Database?

The 3D City Database (3DCityDB) is an Open Source software suite featuring solutions for the efficient storage, management and visualization of CityGML based 3D city models. Many cities around the world and almost all federal state mapping agencies in Germany use the 3DCityDB as production system.

 

 

Development of the 3D City Database

 

The 3D City Database is developed in cooperation between TU Munich, M.O.S.S. Computer Grafik Systeme GmbH and virtualcitySYSTEMS. Besides chairing the steering committee of the cooperation partners, virtualcitySYSTEMS takes the role of a core developer of this joint Open Source project.