Near Real-Time Semantic View Analysis of 3D City Models in Web Browser

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3D city models and their browser-based applications have become an increasingly applied tool in the cities. One of their applications is the analysis views and visibility, applicable to property valuation and evaluation of urban green infrastructure. We present a near real-time semantic view analysis relying on a 3D city model, implemented in a web browser. The analysis is tested in two alternative use cases: property valuation and evaluation of the urban green infrastructure. The results describe the elements visible from a given location, and can also be applied to object type specific analysis, such as green view index estimation, with the main benefit being the freedom of choosing the point-of-view obtained with the 3D model. Several promising development directions can be identified based on the current implementation and experiment results, including the integration of the semantic view analysis with virtual reality immersive visualization or 3D city model application development platforms.

Original languageEnglish
Article number138
Number of pages23
JournalISPRS International Journal of Geo-Information
Issue number3
Early online date4 Mar 2021
Publication statusPublished - Mar 2021
MoE publication typeA1 Journal article-refereed


  • view analysis
  • semantic
  • 3d city model
  • GVI
  • real estate valuation
  • semantic view analysis
  • urban green infrastructure


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