rnaturalearth (version 0.0.0.9000)

ne_load: load a Natural Earth vector that has already been downloaded to R using ne_download

Description

returns loaded data as a spatial object.

Usage

ne_load(scale = 110, type = "countries", category = c("cultural", "physical", "raster"), destdir = tempdir(), file_name = NULL)

Arguments

scale

scale of map to return, one of 110, 50, 10 or 'small', 'medium', 'large'

type

type of natural earth file 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'

destdir

folder to load files from, default=tempdir()

file_name

OPTIONAL name of file (excluding path) instead of natural earth attributes

Value

A Spatial object depending on the data (points, lines, polygons or raster).

See Also

ne_download

Examples

## Not run: 
# # download followed by load from tempdir() works in same R session
# spdf_world <- ne_download( scale = 110, type = 'countries' )
# spdf_world2 <-    ne_load( scale = 110, type = 'countries' )
# 
# # download followed by load from specified directory works between R sessions
# spdf_world <- ne_download( scale = 110, type = 'countries', destdir = getwd() )
# spdf_world2 <-    ne_load( scale = 110, type = 'countries', destdir = getwd() )
# 
# # for raster
# # download & load
# rst <- ne_download(scale = 50, type = 'OB_50M', category = 'raster', destdir = getwd())
# 
# # load after having downloaded
# rst <- ne_load(scale = 50, type = 'OB_50M', category = 'raster', destdir = getwd())
# 
# # plot
# library(raster)
# plot(rst)
# ## End(Not run) # end dontrun