get_osm_city_boundary: Get the city boundary from OpenStreetMap

In rcrisp: Automate the Delineation of Urban River Spaces

Get the city boundary from OpenStreetMap

Description

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

bb <- get_osm_bb("Bucharest")
crs <- get_utm_zone(bb)
get_osm_city_boundary(bb = bb, city_name = "Bucharest", crs = crs)

rcrisp documentation built on Nov. 24, 2025, 5:07 p.m.