{"title":"Châlons-en-Champagne et alentours proches","source":"OpenStreetMap","copyright":"© OpenStreetMap contributors","license":"ODbL-1.0","license_url":"https://www.openstreetmap.org/copyright","osm_timestamp":"2026-05-31T22:37:44Z","extracted_at":"2026-09-13T15:23:46.787Z","bbox":{"south":48.89,"west":4.26,"north":49.035,"east":4.46},"height_method":{"osm":10,"levels":245,"estimated":33658,"description":"Surveyed IGN BD TOPO heights for explicitly identified buildings; otherwise OSM height, levels × 3 m + roof:height, or indicative height by building type.","ign-bdtopo":8,"overrides":"configs/building-heights.json"},"omitted_incomplete_features":0,"files":{"buildings":{"url":"./buildings.geojson","features":33921,"bytes":14044036},"land":{"url":"./land.geojson","features":1322,"bytes":1048498},"lines":{"url":"./lines.geojson","features":7281,"bytes":2818672},"places":{"url":"./places.geojson","features":18,"bytes":3354}},"query":"[out:json][timeout:180][bbox:48.89,4.26,49.035,4.46];(way[building];relation[building];way[\"building:part\"];relation[\"building:part\"];way[highway];way[railway=rail];way[waterway];way[natural=water];relation[natural=water];way[waterway=riverbank];relation[waterway=riverbank];way[landuse];relation[landuse];way[natural=wood];relation[natural=wood];way[leisure~\"^(park|garden|pitch|golf_course|nature_reserve)$\"];relation[leisure~\"^(park|garden|nature_reserve)$\"];node[place~\"^(city|town|village|suburb|hamlet)$\"];);out body;>;out skel qt;"}