Leaf: Buildings Dataset: OpenStreetMap
OSM contains building footprints with basic attributes.
| OSM Tag | BBR Equivalent |
|---|---|
building=yes/residential/commercial/... | byg_anvendelse |
building:levels | byg_antal_etager |
start_date | byg_opfoerelsesaar |
Spatial access: Direct polygon geometry on the building way. Less detailed attributes than BBR but openly available.
Temporal Model
Bitemporal in BBR. GeoDanmark footprints are updated periodically (annual campaign). Historical building states via virkningFra/virkningTil in BBR.