Level-of-detail generation and its application in virtual reality
VRST '94 Proceedings of the conference on Virtual reality software and technology
The Inventor Mentor: Programming Object-Oriented 3d Graphics with Open Inventor, Release 2
The Inventor Mentor: Programming Object-Oriented 3d Graphics with Open Inventor, Release 2
From GeoStore to GeoToolKit: The Second Step
SSD '97 Proceedings of the 5th International Symposium on Advances in Spatial Databases
Integrating levels of detail in a Web-based 3D-GIS
Proceedings of the 6th ACM international symposium on Advances in geographic information systems
A Quasi-Four Dimensional Database for the Built Environment
DEM '01 Proceedings of the First International Symposium on Digital Earth Moving
Exploiting 2D concepts to achieve consistency in 3D GIS applications
GIS '03 Proceedings of the 11th ACM international symposium on Advances in geographic information systems
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New developments in urban planning, especially in environmentallyoriented analysis including noise, air pollution, urban climate etc., callfor new demands on authorities and planners. Due to the increasingavailability of informations systems and of 3D-data, planners andmunicipalities emphasize modeling the urban space in three dimensions. Whilethe visualization aspect is often and detailed considered, only a fewinvestigations about interactive aspects on urban planning are available. Inthis paper we present a framework for a 3D-urban-GIS. This includesconceptual aspects and a first outline and implementation of an applicationprototype. For this representation, new scopes have to be considered fromdata acquisition to modeling and to storage. First, the urban object spaceis classified in an hierarchical 3D object structure. In accordance todifferent planning levels (i.e., levels-of-detail), several data acquisitionmethods are fused to obtain 3D datasets. The results show that a contextspecific methodology has to be defined. This includes planning aspects thatare traditionally not available in GIS. Based on test sites in Rostock andStuttgart, a 3D-urban-GIS prototype is in development, joining aspects of a3D-visualization interface and a database for 3D objects.