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Uliège activities related to CityJSON

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CityJSON at the Geomatics Unit

Uliège activities related to CityJSON

3DTalks

3D Geoinformation - TUDelft

17

th

September 2020

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The Geomatics Unit

University of Liège, East of Belgium About 20 teacher-researchers

Pr. Roland Billen - Land surveying & GIScience Pr. René Warnant - GNSS

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CityJSON at the Geomatics Unit

CityJSON generation from LiDAR point cloud and building footprints

 Preliminary results presented at the ISPRS Nice 2020

- Automatic 3D Buildings Compact Reconstruction from LiDAR point clouds

 Article published in IJGI on 31th August 2020

- CityJSON Building Generation from Airborne LiDAR 3D Point Clouds - State of the art generation process

- Tested on RoofN3D dataset and Belgian LiDAR campaigns - Benefits of the direct generation of CityJSON models

Native metadata management Refined levels of detail support

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MERN application

4 stacks :  MongoDB  Express  NodeJS  ReactJS

 JS and JSON everywhere

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MERN application

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MERN application

EPB simulations

Urban green infrastructures

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Future works

Improvements on the MERN application

 Issues on the GitHub

A master thesis on CityJSON generation models from Belgian open data sources

 FME or 3Dfier

Qualitative comparison of our solution with traditional tools

 PostGIS, CityGML, …

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Geomatics Unit | geomatics.ulg.ac.be

Allée du Six Août 19 (B5A) | 4000 Liège

Do not hesitate to contact us !

Stay safe

Gilles-Antoine Nys ganys@uliege.be

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