ggmap and sp polygons?
Actually the answer is more or less here https://gist.github.com/oscarperpinan/7482848 Agus
On Wed, Mar 26, 2014 at 2:29 PM, Agustin Lobo <alobolistas at gmail.com> wrote:
I have a ggmap layer made with gmap <- get_map(location=rlm1ext at bbox, maptype='hybrid', source='google', crop=FALSE,zoom=6) which I can plot with ggmap(gmap) Is there any way I could graphically overlay an spatialPolygonsDF imported from a shape file? Thanks Agus