Get an area of interest (AoI) around a river, cropping to the bounding box of a city

Get an area of interest (AoI) around a river, cropping to the bounding box of a city

Usage

get_river_aoi(river, city_bbox, buffer_distance)

Arguments

river

A sf::sf or sf::sfc object with the river centreline and (optionally) the river surface geometry

city_bbox

Bounding box of class bbox around the city

buffer_distance

A positive number representing the buffer size around the river in meters. The upper limit is unrestricted.

Value

An sf::sfc_POLYGON object in lat/lon coordinates

Examples

if (FALSE) { # interactive()
bb <- get_osm_bb("Bucharest")
river_centerline <- get_osm_river_centerline(bb, "Dâmbovița")
river_surface <- get_osm_river_surface(bb, "Dâmbovița")
river <- list(centerline = river_centerline, surface = river_surface)
get_river_aoi(river = river, city_bbox = bb, buffer_distance = 100)
}