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Requirements, Development, and Evaluation of A National Building Standard-A Swedish Case Study
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Resources, Energy and Infrastructure.
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2020 (English)In: ISPRS International Journal of Geo-Information, ISSN 2220-9964, Vol. 9, no 2, article id 78Article in journal (Refereed) Published
Abstract [en]

The aim of this paper is to present a proposal for a national building standard in Sweden. We define requirements for the proposed standard, e.g., it should support development of 3D city models, connect to building information models (BIM) and national registers and be based on a national classification system for the urban environment. Based on these requirements we develop an Application Domain Extension (ADE) of the building model in the proposed CityGML 3.0 standard denoted CityGML Sve-Test. CityGML 3.0 includes several new features of interest, e.g., the space concept, enhanced possibilities to convert data, and to link to other standards. In our study we create test data according to CityGML Sve-Test and evaluate it against the requirements. It is shown that BIM models (in Industry Foundation Classes, IFC, format) can be converted to CityGML Sve-Test and that a classification system facilitates this conversion. The CityGML Sve-Test dataset can be used to increase the automation level in building permissions checking and a related study shows that CityGML 3.0 has capabilities to link to legal information and be a base for 3D cadastral index maps. Based on our experience, we suggest that the national building standard should conform to international standards and, if possible, include a classification system. The exchange format (GML, JSON etc.) might change, but to be based on a standardized data model ensures harmonized structures and concepts.

Place, publisher, year, edition, pages
MDPI , 2020. Vol. 9, no 2, article id 78
Keywords [en]
building, 3D city models, CityGML 3.0, open standards, BIM
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-272659DOI: 10.3390/ijgi9020078ISI: 000522449700018Scopus ID: 2-s2.0-85078875443OAI: oai:DiVA.org:kth-272659DiVA, id: diva2:1429835
Note

QC 20200512

Available from: 2020-05-12 Created: 2020-05-12 Last updated: 2020-05-12Bibliographically approved

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