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Copyright and License

Data and Documentation

3D BAG by 3D geoinformation research group is licensed under CC BY 4.0

The 3D BAG is open data. This includes all downloadable data files and data distributed through web services. You are free to copy, distribute, and adapt the 3D BAG data, as long as you,

  1. give credit to the 3D geoinformation group,
  2. provide a link to this license,
  3. indicate if you made any changes to the data.

Note that some content in the documentation is reused from other works. Such content has its source marked explicitly, and you need to comply with their respective license when using them.

How to credit the 3D BAG data

We require that you use the credit “© 3D BAG by tudelft3d”.

In digital media you must also provide a link to this copyright page. In printed media, or where links are not possible, its best if you expand the credit to "3D BAG by 3D geoinformation research group, TU Delft" and direct the readers to "".

The name tudelft3d is a short alias to the full name of our group, 3D geoinformation research group. We use tudelft3d often in our communication.

If you integrate the 3D BAG data in a browsable electronic map, the credit should appear in the bottom right corner of the map.

How to cite 3D BAG

Refer to the the article Automated 3D Reconstruction of LoD2 and LoD1 Models for All 10 Million Buildings of the Netherlands.

      title={Automated 3D reconstruction of LoD2 and LoD1 models for all 10 million buildings of the Netherlands}, 
      author = "Ravi Peters and Bal{\'a}zs Dukai and Stelios Vitalis and {van Liempt}, Jordi and Jantien Stoter",
      year = "2022",
      doi = "10.14358/PERS.21-00032R2",
      language = "English",
      volume = "88",
      pages = "165--170",
      journal = "Photogrammetric Engineering and Remote Sensing",
      issn = "0099-1112",
      publisher = "American Society for Photogrammetry and Remote Sensing",
      number = "3",


The software and components that we created for making and serving the 3D BAG are licensed independently of the 3D BAG data and documentation.

Our viewer relies on 3DTilesRendererJS (license) by NASA AMMOS and pg2b3dm (license) by Geodan.