Uses the dismo package to geocode with Google
geocode(x, extent,
lang = gsub("(_|[:]).*", "", Sys.getenv('LANGUAGE')))
A SpatialPointsDataFrame
with coordinates in the
projection of extent
if possible, or long-lat
otherwise.
Vector of character strings to search for
Currently unused. an Extent object, or any object from which an Extent can be obtained.
Language for place names in result.
If the option
getOption('mapmiscCachePath')
is set, it will be used
to specify the folder to save downloaded
data. getOption('mapmiscVerbose')
for printing progress.
Data are retreived from Openstreetmap.org, see https://wiki.openstreetmap.org/wiki/Nominatim.