writeLayer: Download a shapefile from an API and save it to a local...

In USEPA/TADA: EPA TADA (Tools for Automated Data Analysis) R Package

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.

Description

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

## Not run: 
# 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")

## End(Not run)

USEPA/TADA documentation built on April 12, 2025, 1:47 p.m.