The function outputs a SpatialPolygonsDataFrame object to be used by Mondrian
Usage
sp2Mondrian(SP, file, new_format=TRUE)
Arguments
SP
a SpatialPolygonsDataFrame object
file
file where output is written
new_format
default TRUE, creates a text data file and a separate map file; the old format put both data sets in a single file - the map file is named by inserting "MAP_" into the file= argument after the rightmost directory separator (if any)