Load datasets found in the directory previously set with
setSpatialDataDir().
Only files matching pattern will be loaded.
By default, all .rda files are matched.
Core datastes available for the package include:
TMWorldBorders -- high resolution country polygons (higher
resolution than SimpleCountries)
NaturalEarthAdm1 -- state/province polygons throughout the world
USCensusCounties -- county polygons in the United States
WorldTimezones -- high resolution timezone polygons (higher
resolution than SimpleTimezones)
These can be installed with installSpatialData().
loadSpatialData(pattern = "*\\.rda")Invisibly returns a vector of spatial dataset names loaded into the global environment.
Regular expression used to match file names.
setSpatialDataDir
installSpatialData