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Overview of 3D geoinformation group at TU Delft

Hugo Ledoux
April 30, 2020
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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/

Hugo Ledoux

April 30, 2020
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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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