Re: [R-sig-Geo] contours of a SpatialPixelsDataFrame?

2006-09-27 Thread Roger Bivand
On Wed, 27 Sep 2006, Horacio Samaniego wrote: > I am unsure on how to deal with this... (this is usually easy on > grass), however cuz all me figs have been done in R I need to be > consistent. > > The question is how to to get a contour plot from a > SpatialPixelsDataFrame. > > So far I h

[R-sig-Geo] contours of a SpatialPixelsDataFrame?

2006-09-27 Thread Horacio Samaniego
I am unsure on how to deal with this... (this is usually easy on grass), however cuz all me figs have been done in R I need to be consistent. The question is how to to get a contour plot from a SpatialPixelsDataFrame. So far I have generated I seem to be succesfully generating the plot us