Download a shapefile from an API and save it to a local folder, overwriting existing file if it exists writeLayer is used by TADA_UpdateTribalLayers in TADAGeospatialRefLayers.R.

Download a shapefile from an API and save it to a local folder, overwriting existing file if it exists writeLayer is used by TADA_UpdateTribalLayers in TADAGeospatialRefLayers.R.

Usage

writeLayer(url, layerfilepath)

Arguments

url

URL of the layer REST service, ending with "/query". Example: https://geopub.epa.gov/arcgis/rest/services/EMEF/Tribal/MapServer/2/query (American Indian Reservations)

layerfilepath

Local path to save the .shp file to

Examples

if (FALSE) {
# Get the Oklahoma Tribal Statistical Areas feature layer and write local file to inst/extdata/OKTribe.shp
OKTribeUrl <- "https://geopub.epa.gov/arcgis/rest/services/EMEF/Tribal/MapServer/4/query"
writeLayer(OKTribeUrl, "inst/extdata/OKTribe.shp")
}