[R-sig-Geo] Convert SpatialGridDataFrame to gridTopology object

[Roger Bivand]

On Tue, 14 Jul 2009, Paulo E. Cardoso wrote:

> How can I convert one to another?
>
library(sp)
data(meuse.grid)
coordinates(meuse.grid) <- c("x", "y")
gridded(meuse.grid) <- TRUE
fullgrid(meuse.grid) <- TRUE
class(meuse.grid)
grd <- slot(meuse.grid, "grid")
class(grd)

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>
> Paulo E. Cardoso
>
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-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no