Abstract
Among 3D models, Building Information Models (BIM) can potentially support the integrated management of buildings’ physical and legal aspects in cadastres. However, there is not a systematic approach to author the cadastral information into the BIM models. Moreover, the common approaches for data validation only check the final cadastral output, and they ignore the data generation steps as potential avenues for validation. Therefore, this study aims to develop the criteria and standards to check the spatial consistency and integrity of BIM-based cadastral data in the process of generating the data. The paper utilises a case study approach as its methodology to investigate the requirements of generating a BIM-based cadastral model and identify the issues within the process. The results include a formative assessment (i.e., multistep validation approach during the data generation) alongside a summative assessment (i.e., one-step validation approach at the end of data generation). This study found the summative assessment alone insufficient for 3D cadastral data validation. The paper concludes that a formative and summative assessment together can improve the validity of the data. The results will potentially bring more efficiency to modern land administration processes by avoiding the accumulation of errors in 3D cadastral data generation.
Highlights
While this study focuses on the direct method of cadastral data modelling, there is a knowledge gap in the procedure where geometrical and semantical cadastral information is authored within the Building Information Models (BIM) model
The argument here is whether validation should only be one step applied to the final output or if it should be considered as a multistep process during data generation
This paper aimed to investigate the process of generating cadastral data using the BIM model, the challenges and errors to be avoided in the process, and validation methods needed during and at the end of the process
Summary
Academic Editors: Hossein Azadi and Francisco Manzano AgugliaroReceived: 28 June 2021Accepted: 2 August 2021Published: 5 August 2021Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.Licensee MDPI, Basel, Switzerland.Attribution (CC BY) license (https://creativecommons.org/licenses/by/ 4.0/).The widespread use of 3D geospatial data models representing the real world’s physical entities provides a powerful means for a 2D cadastre transition to the 3D digital environment. Previous studies showed that a 3D digital representation of a cadastral system would provide an efficient process to record and analyse cadastral information [1,2,3,4,5,6,7,8]. This
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