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ENHANCED LOD CONCEPTS FOR VIRTUAL 3D CITY MODELS

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal 13 Sep 2013 Germany Publisher:Copernicus GmbHJournal:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, volume II-2/W1, pages 51-61 (eissn: 2194-9050,

Authors: Benner, J.; Geiger, A.; Gröger, G.; Häfele, K. H.; Löwner, M. O.;

doi: 10.5194/isprsannals-ii-2-w1-51-2013 , 10.5445/ir/120094297

ENHANCED LOD CONCEPTS FOR VIRTUAL 3D CITY MODELS

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Abstract

Abstract. Virtual 3D city models contain digital three dimensional representations of city objects like buildings, streets or technical infrastructure. Because size and complexity of these models continuously grow, a Level of Detail (LoD) concept effectively supporting the partitioning of a complete model into alternative models of different complexity and providing metadata, addressing informational content, complexity and quality of each alternative model is indispensable. After a short overview on various LoD concepts, this paper discusses the existing LoD concept of the CityGML standard for 3D city models and identifies a number of deficits. Based on this analysis, an alternative concept is developed and illustrated with several examples. It differentiates between first, a Geometric Level of Detail (GLoD) and a Semantic Level of Detail (SLoD), and second between the interior building and its exterior shell. Finally, a possible implementation of the new concept is demonstrated by means of an UML model.

Country

Germany

Related Organizations

Technische Universität Braunschweig
Germany
University of Bonn
Germany
University of Bonn
Germany
Karlsruhe Institute of Technology / KIT
Germany
Institute of Computer Vision and Applied Computer Sciences
Germany

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Keywords

ddc:004, Technology, Virtual 3D city models, T, DATA processing & computer science, Level of Detail, CityGML, semantic data models, Engineering (General). Civil engineering (General), 620, 004, TA1501-1820, Applied optics. Photonics, TA1-2040, info:eu-repo/classification/ddc/004

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Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	37
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%