[R-sig-Geo] ggmap and sp polygons?

[Agustin Lobo]

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