Get the city boundary from OpenStreetMap — get_osm_city

This function retrieves the city boundary from OpenStreetMap based on a bounding box with the OSM tags "place:city" and "boundary:administrative". The result is filtered by the city name.

Usage

get_osm_city_boundary(
  bb,
  city_name,
  crs = NULL,
  multiple = FALSE,
  force_download = FALSE
)

Arguments

bb: Bounding box of class bbox
city_name: A case-sensitive character vector of length 1 with the name of the city
crs: Coordinate reference system as EPSG code
multiple: A logical indicating if multiple city boundaries should be returned. By default, only the first one is returned.
force_download: Download data even if cached data is available

Value

An object of class sf::sfc_POLYGON or sf::sfc_MULTIPOLYGON with the city boundary

Examples

if (FALSE) { # interactive()
bb <- get_osm_bb("Bucharest")
crs <- get_utm_zone(bb)
get_osm_city_boundary(bb = bb, city_name = "Bucharest", crs = crs)
}