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sf (version 1.0-17)

st_layers: Return properties of layers in a datasource

Description

Return properties of layers in a datasource

Usage

st_layers(dsn, options = character(0), do_count = FALSE)

Value

list object of class sf_layers with elements

name

name of the layer

geomtype

list with for each layer the geometry types

features

number of features (if reported; see do_count)

fields

number of fields

crs

list with for each layer the crs object

Arguments

dsn

data source name (interpretation varies by driver - for some drivers, dsn is a file name, but may also be a folder, or contain the name and access credentials of a database)

options

character; driver dependent dataset open options, multiple options supported.

do_count

logical; if TRUE, count the features by reading them, even if their count is not reported by the driver