Paper Info
Title
Towards generating highly detailed 3D CityGML models from OpenStreetMap
Abstract
About one decade has passed since US vice president Al Gore articulated his vision of Digital Earth DE. Within this decade, a global multi-resolution and three-dimensional 3D representation of the Earth, which sums up the DE vision, increasingly gained interest in both public and science. Due to the desired high resolution of the available data, highly detailed 3D city models comprise a huge part of DE and they are becoming an essential and useful tool for a range of different applications. In the past as well as at present, 3D models normally come from a range of different sources generated by professionals, such as laser scans or photogrammetry combined with 2D cadaster data. Some models are generated with semi-automated or fully automated approaches, but in most cases manual fine tuning or even manual construction from architectural plans is required. Further beyond outdoor city models, DE additionally envisages the provision of indoor information. That is, the interior structure of public or publically accessible buildings, such as airports or shopping malls, is represented and made available in 3D; however, at the moment, such models are mostly created by hand and essentially based on professional data sources. In contrast to such professional data, which is mainly captured by surveyors or companies, the last few years revealed the phenomenon of crowdsourced geodata, which receives an increasing attractiveness as an alternative data source for many Geographic Information Systems GIS. Former research already demonstrated the power and richness of such geodata – especially OpenStreetMap OSM – and it has also been proved that this non-standardized, crowdsourced geodata can be combined with international standards of the Open Geospatial Consortium OGC. For example, CityGML Level-of-Detail 1 LoD1 and LoD2 models have already been created automatically from OSM. The research presented in this article will further continue on the automated generation of CityGML models from OpenStreetMap. Essentially, a method for the creation of highly detailed CityGML LoD4 models with interior structures will be explained. By applying the invented approach on existing OSM data, limitations and restrictions of the IndoorOSM mapping proposal, the available data and the developed approach are revealed and discussed.
Year
DOI
Venue
2013
10.1080/13658816.2012.721552
International Journal of Geographical Information Science
Keywords
DocType
Volume
citygml model,available data,crowdsourced geodata,digital earth de,cadaster data,interior structure,professional data,professional data source,osm data,alternative data source,de vision,volunteered geographic information
Journal
27
Issue
ISSN
Citations 
5
1365-8816
11
PageRank 
References 
Authors
1.09
10
1
Name
Order
Citations
PageRank
Marcus Goetz11006.07