Get the river centreline from OpenStreetMap
Value
The river centreline as object of class sf::sfc_LINESTRING or
sf::sfc_MULTILINESTRING.
Examples
if (FALSE) { # interactive()
bb <- get_osm_bb("Bucharest")
crs <- get_utm_zone(bb)
get_osm_river_centerline(bb = bb, river_name = "Dâmbovița", crs = crs,
              force_download = FALSE)
}