[OGC Press Release] OGC and SIG 3D Advance Standards for 3D Digital Cities

OGC Press Release announce at opengeospatial.org
Fri Apr 8 18:14:12 EDT 2011

For information about this announcement, contact:

Steven Ramage
Executive Director, Marketing and Communications
Open Geospatial Consortium (OGC)
sramage at opengeospatial.org
Phone: +47 9862 6865


8 April 2011 – The Open Geospatial Consortium (OGC®) and
Special Interest Group (SIG) 3D
recently signed a memorandum of understanding (MOU) to cooperate in
standards development and promotion of standards for the exchange and
visualization of 3D geospatial content using Web-based

SIG 3D members defined the first version of CityGML
(http://www.citygml.org) and in 2005 submitted CityGML as a candidate
standard into the OGC standards process. CityGML is a comprehensive
open data model framework and XML-based encoding standard for the
storage and exchange of virtual 3D urban models and is now an OGC
standard. It is an application schema of the OGC Geography Markup
Language 3 (GML3) Encoding Standard
(http://www.opengeospatial.org/standards/gml), an international
standard for spatial data exchange and encoding approved by the OGC
and ISO. CityGML has been adopted as part of the European Union's
common spatial data infrastructure, INSPIRE.

"The ability to exchange and use three-dimensional models of cities
and regions plays an increasingly important role in applications such
as architecture, urban and regional planning, augmented reality, and
emergency and disaster response," said Mark Reichardt, President and
CEO of the OGC. "Such applications need standards to bridge the
interoperability gap between geospatial technologies and design
technologies. We appreciate the SIG 3D's leadership in this area and
we are fortunate to have their continuing support and participation."

"The widespread use of CityGML within Europe is important to allow
consistent provision of data sets that can be handled by all systems,
thereby bringing benefits to users," stated Dr. Egbert Casper, Speaker
of SIG 3D. "The SIG 3D will continue working on the CityGML standard
and its implementation in various application domains."

SIG 3D (http://www.sig3d.org/) is a special interest group of the
German National Spatial Data Infrastructure (GDI-DE). The members of
SIG 3D come from all over Germany and the bordering European
countries. New members from anywhere in Europe are welcome.

The OGC is an international consortium of more than 410 companies,
government agencies, research organizations, and universities
participating in a consensus process to develop publicly available
geospatial standards. Visit the OGC website at

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