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'
full_url
whether to return just the filename (default) or the full URL
needed for download
Details
Note that the filename of the requested object will be returned if
`load = FALSE`.
See Also
ne_load, pre-downloaded data are available using
ne_countries, ne_states. Other geographic data
are available in the raster package : getData.