Install spatial datasets found at url
into the directory
previously set with setSpatialDataDir()
.
If pattern = NULL
(default), available datasets will be displalyed..
installSpatialData(
dataset = NULL,
urlBase = "http://data.mazamascience.com/MazamaSpatialUtils/Spatial_0.8"
)
Name of spatial dataset to install.
Location of spatial data files.
If pattern = NULL
a vector of dataset names.