A Multiple Representation Data Structure for Dynamic Visualisation of Generalised 3D City Models
2011 (English)In: ISPRS journal of photogrammetry and remote sensing (Print), ISSN 0924-2716, Vol. 66, no 2, 198-208 p.Article in journal (Refereed) Published
In this paper, a novel multiple representation data structure for dynamic visualisation of 3D city models, called CityTree, is proposed. To create a CityTree, the ground plans of the buildings are generated and simplified. Then, the buildings are divided into clusters by the road network and one CityTree is created for each cluster. The leaf nodes of the CityTree represent the original 3D objects of each building, and the intermediate nodes represent groups of close buildings. By utilizing CityTree, it is possible to have dynamic zoomfunctionality in real time. The CityTree methodology is implemented in aframework where the original city model is stored in CityGML and the CityTree is stored as X3D scenes. A case study confirms the applicability of the CityTree for dynamic visualisation of 3D city models.
Place, publisher, year, edition, pages
2011. Vol. 66, no 2, 198-208 p.
Other Computer and Information Science
IdentifiersURN: urn:nbn:se:kth:diva-24707DOI: 10.1016/j.isprsjprs.2010.08.001ISI: 000288628000006ScopusID: 2-s2.0-79951727298OAI: oai:DiVA.org:kth-24707DiVA: diva2:352942
QC 201105302010-09-232010-09-232012-03-21Bibliographically approved