Overview of 3D geoinformation group at TU Delft

Presented during the Episode #3 of "De Grote Geo Show"

https://tv.osgeo.nl/episode/episode-0003/

Transcript

1. 3D geoinformation group
   TU Delft
   

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2. Founded in 2015
   Faculty of the Built
   Environment & Architecture
   Department Urbanism
   Brief overview
   

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3. The team
   and more soon…
   

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4. Urban environment and 3D geoinformation
   Our focus
   

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5. 5
   Whole North Rhine-
   Westphalia:
   10M+ LoD2 buildings
   More and more 3D data from cities
   

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6. New York City
   More and more 3D data from cities
   

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7. 7
   Helsinki: with
   textures
   More and more 3D data from cities
   

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8. 8
   Whole of the Netherlands:
   10M+ LoD1 buildings +
   terrain, roads, forest
   More and more 3D data from cities
   

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9. Is 3D really useful?
   

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10. Bad reputation in carto + data science
    

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11. Bad reputation in carto + data science
    

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12. solar potential
    shadow analysis
    noise modelling
    energy estimation
    bomb detonation
    wind turbulence
    pollutant tracking
    

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13. 13
    3D use in mainstream media: NY Times
    https://www.nytimes.com/interactive/2016/12/21/upshot/Mapping-the-Shadows-of-New-York-City.html
    

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14. Some projects
    

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15. http://3dbag.bk.tudeft.nl
    PDOK will soon
    host data
    

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16. LoD2 reconstruction
    Beta!
    No open-source yet
    Live demo https://3d.bk.tudelft.nl/opendata/noise3d/lod13map.html
    

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17. Highly-detailed reconstruction
    3D trees from laser scanning
    3D buildings from drones
    Check our
    website for code!
    

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18. Quality control of 3D city models
    Automatic repairing of broken 3D city
    With my colleague John Zhao, we’re making an overview
    of the most common errors/problems, such as:
    12
    http://geovalidation.bk.tudelft.nl/val3dity/
    

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19. Air pollutant tracking/wind turbulence (CFD)
    Also done with FOSS:
    OpenFOAM
    

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20. CityJSON: CityGML without the GML
    

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21. ➡ https://3d.bk.tudelft.nl
    more info than you probably need!
    projects, papers, code, etc
    2 courses are open (book+YouTube):
    • Terrain modelling (AHN)
    • 3D modelling
    Thank you
    

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