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Towards 3D Cadastral Level of Detail
KTH, School of Architecture and the Built Environment (ABE), Real Estate and Construction Management, Geodesy and Satellite Positioning.ORCID iD: 0000-0003-2820-5801
KTH, School of Architecture and the Built Environment (ABE), Real Estate and Construction Management, Real Estate Planning and Land Law.ORCID iD: 0000-0001-7886-5926
2023 (English)Conference paper, Published paper (Other academic)
Abstract [en]

The cadastre has gained increasing interests within the last decade under transition from 2D to 3D with the help of 3D spatial technologies 3D GIS and BIM, integrating with cadastral legal information. However, the 3D GIS and BIM domains represent and model geometric and semantic building information with their own hierarchical data structure-Level of Detail (LOD) and Level of Development (LOD) respectively. Both of them have different levels of granularity and focus on different aspects of the built environment. When generating 3D cadastral models and converting between BIM and 3D GIS, it will create problems with defining and representing legal information in 3D models accurately, maturely and reliably due to the fact that current 3D cadastre has no hierarchical data structure of its own and levels of detail. To address those issues, a conceptual definition Cadastral Level of Detail (CLOD) is proposed to represent both legal information, rights, restrictions and responsibilities (RRRs) and geometric information for 3D cadastral models. The CLODs are the link to combine legal and spatial cadastral information, as well as to represent and visualize hierarchically in 2D cadastral maps and 3D cadastral models. The classification of CLODs corresponds to both the levels of detail of physical models (such as BIM/IFC and 3D GIS models) and the legal information/models (for example LADM models), ranging from CLOD0 to CLOD4. It aims to satisfy the cadastral geometry and legal requirements, save time and cost for further development of efficient and effective information retrieval, address the gap for harmonizing the cadastre, BIM and GIS database in order to implement in the cadastre ecosystem. It will be beneficial for different stakeholders to digitalize and standardize 3D cadastral management in a uniform way, as further strategically to support urban planning, detailed plans, and digital twins. Towards 3D Cadastral Level of Detail Jing SUN and Jenny PAULSSON, Sweden

Place, publisher, year, edition, pages
2023.
Keywords [en]
Cadastral Level of Detail (CLOD), 3D cadastre, BIM/IFC, 3D GIS, LADM, LOD
National Category
Geosciences, Multidisciplinary Law and Society
Identifiers
URN: urn:nbn:se:kth:diva-327415OAI: oai:DiVA.org:kth-327415DiVA, id: diva2:1759800
Conference
FIG Working Week 2023, Orlando, Florida, USA, 28 May - 1 June 2023
Note

QC 20230601

Available from: 2023-05-27 Created: 2023-05-27 Last updated: 2023-06-01Bibliographically approved

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Sun, JingPaulsson, Jenny

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