mapping (version 1.4.1)

loadCoordUS: Get USA coordinates

Description

Loads and returns names, ids, and coordinates for USA, to use with mapping functions and other "map" functions that accept an sf object.

Usage

loadCoordUS(unit = c("country", "region", "division", "state",
                     "county", "district", "district_county", "urban_area"),
            year = c("2018"), scale = c("20", "50", "500"),
            unit_subset = NULL, matchWith = NULL, dir = NULL,
            use_cache = TRUE, use_internet = TRUE, crs = NULL)

Value

A data.frame object with columns indicating names, ids, and the geometry to map.

Arguments

unit

type of USA unit to link

year

year of the analysis

scale

the scale of the map

unit_subset

character vector of unit names to extract

matchWith

the type of id

dir

local directory in which shape files are stored

use_cache

a logical value indicating whether to use the cache

use_internet

a logical value indicating wheter the coordinates are downloaded from https://github.com/mappinguniverse/geospatial. If FALSE the maps downloaded during package installation will be used

crs

coordinate reference system. Look at st_crs

Author

Alessio Serafini

Details

Coordinates are downloaded from the Github repo https://github.com/mappinguniverse/geospatial from US folder https://github.com/mappinguniverse/geospatial/tree/master/US.

If unit is not specified, borders of the USA countries are loaded.

References

https://github.com/mappinguniverse/geospatial

See Also

loadCoordIT, loadCoordWR, loadCoordDE, loadCoordUK, , loadCoordEU

Examples

US_coords = loadCoordUS(unit = "state")
str(US_coords)


# \donttest{
coords_us<- loadCoordUS(unit = "state", unit_subset = c("Florida", "California"))
# }