{"collections":[{"title":"Buildings","id":"building","extent":{"spatial":{"bbox":[[6.935375871536365,50.92910957124391,86.73813771420757,6.980223178327386,50.94852634901056,159.34124079030755]],"crs":"http://www.opengis.net/def/crs/OGC/0/CRS84h"},"temporal":{"interval":[["2025-11-27T10:00:11Z","2025-11-27T10:01:22Z"]],"trs":"http://www.opengis.net/def/uom/ISO-8601/0/Gregorian"}},"itemType":"feature","crs":["http://www.opengis.net/def/crs/OGC/0/CRS84h","http://www.opengis.net/def/crs/EPSG/0/25832","http://www.opengis.net/def/crs/EPSG/0/5555","http://www.opengis.net/def/crs/EPSG/0/3857","http://www.opengis.net/def/crs/EPSG/0/4978","http://www.opengis.net/def/crs/EPSG/0/4979","http://www.opengis.net/def/crs/EPSG/0/25832"],"storageCrs":"http://www.opengis.net/def/crs/EPSG/0/25832","links":[{"rel":"http://www.opengis.net/def/rel/ogc/0.0/tileset-3dtiles","type":"text/html","title":"Access the data as 3D tiles","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/3dtiles"},{"rel":"http://www.opengis.net/def/rel/ogc/0.0/tileset-3dtiles","type":"application/json","title":"Access the data as 3D tiles","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/3dtiles?f=json"},{"rel":"items","type":"application/city+json","title":"Access the features in the collection 'Buildings' as CityJSON","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=cityjson"},{"rel":"items","type":"application/city+json-seq","title":"Access the features in the collection 'Buildings' as CityJSON-Seq","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=cityjsonseq"},{"rel":"items","type":"model/gltf-binary","title":"Access the features in the collection 'Buildings' as glTF-Binary","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=glb"},{"rel":"items","type":"text/html","title":"Access the features in the collection 'Buildings' as HTML","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=html"},{"rel":"items","type":"application/geo+json","title":"Access the features in the collection 'Buildings' as JSON-FG","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=json&profile=jsonfg","profile":["http://www.opengis.net/def/profile/ogc/0/jsonfg"]},{"rel":"items","type":"application/geo+json","title":"Access the features in the collection 'Buildings' as GeoJSON","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/items?f=json&profile=rfc7946","profile":["http://www.opengis.net/def/profile/ogc/0/rfc7946"]},{"rel":"self","title":"The 'Buildings' feature collection","href":"https://demo.ldproxy.net/cologne_lod2/collections/building"}],"itemCount":10459,"attribution":"Geobasis NRW","collectionType":"3d-container","children":[],"content":[{"rel":"http://www.opengis.net/def/rel/ogc/0.0/tileset-3dtiles","type":"application/json","title":"Access the data as 3D tiles","href":"https://demo.ldproxy.net/cologne_lod2/collections/building/3dtiles?f=json"}]}],"title":"3D Buildings in Cologne (LoD2)","description":"<p>Together with a digital terrain model, 3D building models describe the natural terrain shape of the earth's surface, including all buildings and structures, in digital form and enable the representation of cities and towns in virtual worlds. Buildings can be modeled in different levels of detail (Level of Detail, LoD). In the 3D building model LoD2, the modeling of the buildings is done with standardized roof shapes such as a gable or hip roof.</p>\n<p>The data in this API is an extract from the statewide data (rectangle in the city of Cologne with 2 km x 3 km edge length, 10462 buildings).</p>\n<p>The building properties and their values are in German.</p>","crs":[],"links":[{"rel":"alternate","type":"text/html","title":"This document as HTML","href":"https://demo.ldproxy.net/cologne_lod2/collections?f=html"},{"rel":"decribedby","type":"text/html","title":"3D building models in NRW - Product Description (in German)","href":"https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/3d_gebaeudemodelle/index.html","hreflang":"de"},{"rel":"license","title":"Datenlizenz Deutschland - Zero – Version 2.0","href":"https://www.govdata.de/dl-de/zero-2-0"},{"rel":"related","type":"text/html","title":"Download 3D building model LoD2-DE NRW","href":"https://www.opengeodata.nrw.de/produkte/geobasis/3dg/lod2_gml/lod2_gml/","hreflang":"de"},{"rel":"self","type":"application/json","title":"This document","href":"https://demo.ldproxy.net/cologne_lod2/collections?f=json"}],"attribution":"Geobasis NRW"}