Returns a simple features data frame for world divisions
The full resolution file will be named "TMWorldBorders.rda". In addition, "_05", _02" and "_01" versions of the file will be created that that are simplified to 5%, 2% and 1%. Simplified versions will greatly improve the speed of both searching and plotting.
convertTMWorldBorders()
Name of the datasetName being created.
A world borders shapefile is downloaded and converted to a
simple features data frame with additional columns of data. The resulting file is
created in the spatial data directory which is set with setSpatialDataDir()
.