Converting BIM Data to CityGML for 3D Cadastre Purposes
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Abstract
Currently, stratified property rights are registered and managed using two-dimensional subdivision plans. These plans do not accurately depict property spaces in complex structures such as high-rise buildings, tunnels and utilities, underground infrastructures, etc. 3D rich data like building information modelling (BIM) could be utilized as a source of 3D data for 3D urban data management especially 3D Cadastre. However, not all available data are useful and straight forward when it comes to 3D Cadastre due to the existing strata regulations. This paper describes how the BIM data could be transformed, modelled, and utilized for 3D Cadastre. Here, the conversion involves BIM data and Strata XML to CityGML format. This paper also demonstrates the procedure of the conversion of a building data. Several issues and challenges are highlighted at the recommendation section of this paper.