convertTMWorldBorders {MazamaSpatialUtils}

Convert world borders shapefile

Description

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.

Usage

convertTMWorldBorders()

Details

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().

Value

Name of the datasetName being created.

References

https://thematicmapping.org/downloads/