Access a Data Service or Portal Item

Access a resource on ArcGIS Online, Enterprise, or Location Platform.

Usage

arc_open(url, host = arc_host(), token = arc_token())

Arguments

url

a url to a service such as a feature service, image server, or map server. Alternatively, an item ID of a portal item or portal url.

host

default "https://www.arcgis.com". The host of your ArcGIS Portal.

token

an httr2_token as created by auth_code() or similar

Value

Depending on item ID or URL returns a PortalItem, FeatureLayer, Table, FeatureServer, ImageServer, or MapServer, GeocodeServer, among other. Each of these objects is a named list containing the properties of the service.

Details

• To read the underlying attribute data from a FeatureLayer, Table, or ImageServer use arc_select().

• If you have a MapServer or FeatureSever access the individual layes using get_layer(). For

• Use arc_raster() to get imagery as a terra raster object.

See also

arc_select arc_raster get_layer

Examples

if (FALSE) { # \dontrun{

# FeatureServer ID
arc_open("3b7221d4e47740cab9235b839fa55cd7")

# FeatureLayer
furl <- paste0(
  "https://services3.arcgis.com/ZvidGQkLaDJxRSJ2/arcgis/rest/services/",
  "PLACES_LocalData_for_BetterHealth/FeatureServer/0"
)

arc_open(furl)

# Table
furl <- paste0(
  "https://services.arcgis.com/P3ePLMYs2RVChkJx/arcgis/rest/services/",
  "USA_Wetlands/FeatureServer/1"
)

arc_open(furl)

# ImageServer
arc_open(
  "https://landsat2.arcgis.com/arcgis/rest/services/Landsat/MS/ImageServer"
)

# FeatureServer
furl <- paste0(
  "https://services3.arcgis.com/ZvidGQkLaDJxRSJ2/arcgis/rest/services/",
  "PLACES_LocalData_for_BetterHealth/FeatureServer"
)

arc_open(furl)

# MapServer
map_url <- paste0(
  "https://services.arcgisonline.com/ArcGIS/rest/services/",
  "World_Imagery/MapServer"
)

arc_open(map_url)
} # }