Volume comparison of automatically reconstructed multi-lod building models for urban planning applications
Truc Quynh Doan (Student TU Delft)
Camilo A. León-Sánchez (TU Delft - Urban Data Science)
Ravi Ravi (TU Delft - Urban Data Science)
G. Agugiaro (TU Delft - Urban Data Science)
J.E. Stoter (TU Delft - Urban Data Science)
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Abstract
3D city models are playing a growing role worldwide as sources of integrated information upon which different urban applications are developed. In the context of urban planning and design, semantic 3D city models can provide plenty of qualitative and quantitative information about the urban context and of the area(s) to be transformed. This paper takes inspiration and continues a work recently published in which several design parameters and Key Performance Indicators are computed from a semantic 3D city model, and later used in a GIS-supported urban design process to develop a new area. As many of such parameters are derived from the gross volume of the building stock, this paper investigates whether and to which extent different building stock models might affect the estimation of the gross volume. The study is carried out in anticipation of the upcoming LoD2-based, country-wide model of the Netherlands that is being finalised by our team. At the same time, the paper investigates whether and which information can be obtained regarding the quality of the LoD2 model from a comparison with the LoD1 one, with a focus on volume calculation.
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