Generalising 3D Buildings from LoD2 to LoD1

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Abstract

The increasing popularity of 3D city models in navigation, urban planning, etc.,
necessitates application-specific and geometrically accurate and valid models. The concept of Levels of Detail (LoDs) indicate a model’s scale of adherence to its real-world counterpart. Highly detailed datasets often contain errors or require an exorbitant level of computing power. Given the high availability of LoD2 datasets, our research focuses on three considerations for generalising to LoD1: the vertical reference, extrusion vs. downtrusion and floor plan simplification. We present in this paper an initial methodology that produces geometrically accurate LoD1 models with a reduction of over 70% of the original file size.
Original languageEnglish
Title of host publicationGISRUK 2017 Proceedings
Subtitle of host publication25th GIS Research UK Conference
PublisherUniversity of Manchester
Number of pages9
Publication statusPublished - 2017
EventGISRUK 2017: 25th GIS Research UK Conference - Manchester, United Kingdom
Duration: 18 Apr 201721 Apr 2017

Conference

ConferenceGISRUK 2017: 25th GIS Research UK Conference
CountryUnited Kingdom
CityManchester
Period18/04/1721/04/17

Keywords

  • Generalisation
  • 3D
  • City Model
  • CityGML
  • Levels of Detail

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  • Cite this

    Labetski, A., Ledoux, H., & Stoter, J. (2017). Generalising 3D Buildings from LoD2 to LoD1. In GISRUK 2017 Proceedings: 25th GIS Research UK Conference [92] University of Manchester.