Standardization bodies and relevant organizations
- Homepage of the Special Interest Group 3D of GDI NRW (www.ikg.uni-bonn.de/sig3d/, in German only)
- Homepage of the Geodata Infrastructure North Rhine-Westphalia (www.gdi-nrw.org)
- European Spatial Data Research Organisation EuroSDR (www.eurosdr.net)
- Open Geospatial Consortium (www.opengeospatial.org)
- OGC 3D Information Modelling Working Group (www.opengeospatial.org/projects/groups/3dimwg)
- ISO/Technical Committee 211 (www.isotc211.org)
- International Alliance for Interoperability (www.iai-international.org); German IAI chapter (www.buildingsmart.de)
- Web 3D Consortium (www.web3d.org)
- 3D Industry Forum (www.3dif.org)
- Organization for the Advancement of Structured Information Standards OASIS (www.oasis-open.org)
- Khronos Group (www.khronos.org)
- Center for Geoinformation, CeGi GmbH (www.cegi.de)
Open 3D CAAD and graphics standards
- Industry Foundation Classes (IFC 2x3, ifcXML) (www.iai-international.org/Model/IFC(ifcXML)Specs.html)
- Industry Foundation Classes for GIS (IFG) (www.iai.no/ifg/)
- X3D (www.web3d.org/x3d/specifications/x3d_specification.html)
- VRML97 (www.web3d.org/x3d/specifications/vrml/)
- GeoVRML (www.geovrml.org)
- Universal 3D (U3D) (www.ecma-international.org/publications/standards/Ecma-363.htm)
- Keyhole Markup Language (KML), employed by Google Earth (www.keyhole.com/kml/kml_doc.html)
- COLLADA, also employed by Google Earth (www.khronos.org/collada/)
- Synthetic Environment Data Representation and Interchange (SEDRIS) (www.sedris.org)
Further standards that have been relevant to the development of CityGML
- Geography Markup Language 3.1.1 (opengis.net/gml)
- OASIS xAL extendible Address Standard (xml.coverpages.org/xnal.html)
- Geographic Data Files (GDF) (www.iso.org/iso/en/CatalogueDetailPage.CatalogueDetail?CSNUMBER=30763)
- Amtliches Liegenschaftskataster-Informationssystem (ALKIS), the new German cadastre standard based on ISO 191xx standards and GML3 (www.adv-online.de/exteng/broker.jsp?uMen=01a700d3-6ed6-0bfb-8f23-50376a112976)
- Objektkatalog für das Straßen- und Verkehrswesen (OKSTRA), German standard for the representation of traffic and transportation facilities (www.okstra.de)
- Ordnance Survey Mastermap (OS Mastermap), British standard for the digital map of Great Britain (www.ordnancesurvey.co.uk/oswebsite/products/osmastermap/)
- LandXML (www.landxml.org)
- Landesbauordnungen der Länder Deutschlands (Building codes / regulations of the German states). For example, Landesbauordnung North-Rhine Westphalia (BauO NRW) (sgv.im.nrw.de/lmi/owa/pl_text_anzeigen?v_id=5820031106092333838)
Conferences, Workshops and other Events
- 1st International ISPRS / EuroSDR / DGPF Workshop on Next Generation 3D City Models, 21-22 June 2005 in Bonn (www.ikg.uni-bonn.de/NextGen3dCity)
- 11th International Conference on Urban Planning & Regional Development in the Information Society CORP 2006 on February 13th - 16th 2006 in Vienna, Austria (www.corp.at)
- 25th Urban Data Management Symposium on May 15-17, 2006 in Aalborg, Denmark (www.udms.net)
- International ISPRS Workshop on 3D Geoinformation 2006 (3DGeoInfo '06) on 7-8 August 2006 in Kuala Lumpur, Malaysia (www.gdmc.nl/zlatanova/3Dgeoinfo2006/)
- 3rd International Conference on Virtual City and Territory on October 25-27, 2006 in Bilbao, Spain (www.labein.es/3ctv-bilbao/presCong_en.htm)
Created and maintained by Thomas H. Kolbe
Last update: 2007-09-28