[R] data from SpatialGridDataFrame

Kingsford Jones kingsfordjones at gmail.com
Wed Jul 21 04:46:44 CEST 2010

see ?sp::overlay and section 5.2 of Applied Spatial Data Analysis with R

I see there is now also raster::overlay, but I can't claim experience
with that funciton (however my impression is that the raster package
is a powerful tool for working with potentially very large rasters in


On Tue, Jul 20, 2010 at 6:12 AM,  <kfleis at falw.vu.nl> wrote:
> Dear All,
> I have a raster map of the class 'SpatialPointsDataFrame' and coordinates
> of the class 'SpatialPoints'. I would like to retrieve the values that are
> contained in the raster map at the specific locations given by the
> coordinates.
> Can anyone help me out?
> Kind regards,
> Katrin Fleischer
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