ne_file_name: return a natural earth filename based on arguments

In AndySouth/rnaturalearth: World Map Data from Natural Earth

return a natural earth filename based on arguments

Description

returns a string that can then be used to download the file.

Usage

ne_file_name(
  scale = 110L,
  type = "countries",
  category = c("cultural", "physical", "raster")
)

Arguments

scale	The scale of map to return, one of '110', '50', '10' or 'small', 'medium', 'large'.
type	type of natural earth file to download one of 'countries', 'map_units', 'map_subunits', 'sovereignty', 'states' OR the portion of any natural earth vector url after the scale and before the . e.g. for 'ne_50m_urban_areas.zip' this would be 'urban_areas' OR the raster filename e.g. for 'MSR_50M.zip' this would be 'MSR_50M'
category	one of natural earth categories : 'cultural', 'physical', 'raster'

Details

Note that the filename of the requested object will be returned if 'load = FALSE'.

If the data is to be loaded into memory ('load = TRUE'), the download will be handled using the GDAL virtual file system, allowing direct access to the data without writing it to disk.

Value

string

See Also

ne_load, pre-downloaded data are available using ne_countries, ne_states. Other geographic data are available in the raster package : getData.

Examples

ne_url <- ne_file_name(scale = 110, type = "countries")

AndySouth/rnaturalearth documentation built on April 14, 2025, 3:22 a.m.