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Investigating Interoperability Capabilities Between IFC and Citygml LOD 4 – Retaining Semantic Information

Floros, G; Ellul, CD; Dimopoulou, E; (2018) Investigating Interoperability Capabilities Between IFC and Citygml LOD 4 – Retaining Semantic Information. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives , XLII (4/W10) pp. 33-40. 10.5194/isprs-archives-XLII-4-W10-33-2018. Green open access

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Abstract

Applications of 3D City Models range from assessing the potential output of solar panels across a city to determining the best location for 5G mobile phone masts. While in the past these models were not readily available, the rapid increase of available data from sources such as Open Data (e.g. OpenStreetMap), National Mapping and Cadastral Agencies and increasingly Building Information Models facilitates the implementation of increasingly detailed 3D Models. However, these sources also generate integration challenges relating to heterogeneity, storage and efficient management and visualization. CityGML and IFC (Industry Foundation Classes) are two standards that serve different application domains (GIS and BIM) and are commonly used to store and share 3D information. The ability to convert data from IFC to CityGML in a consistent manner could generate 3D City Models able to represent an entire city, but that also include detailed geometric and semantic information regarding its elements. However, CityGML and IFC present major differences in their schemas, rendering interoperability a challenging task, particularly when details of a building’s internal structure are considered (Level of Detail 4 in CityGML). The aim of this paper is to investigate interoperability options between the aforementioned standards, by converting IFC models to CityGML LoD 4 Models. The CityGML Models are then semantically enriched and the proposed methodology is assessed in terms of model’s geometric validity and capability to preserve semantics.

Type: Article
Title: Investigating Interoperability Capabilities Between IFC and Citygml LOD 4 – Retaining Semantic Information
Open access status: An open access version is available from UCL Discovery
DOI: 10.5194/isprs-archives-XLII-4-W10-33-2018
Publisher version: https://doi.org/10.5194/isprs-archives-XLII-4-W10-...
Language: English
Additional information: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: CityGML, IFC, 3D Model, BIM, GIS, Data Integration, FME
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10060061
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