Much better!!
2009/9/3 Barry Rowlingson <b.rowling...@lancaster.ac.uk>
> 2009/9/3 Cutberto Uriel Paredes Hernández <cutberto.pare...@gmail.com>:
> > Dear list,
> >
> > Is there a way to convert a raster to points in R
> > (SpatialGridDataFrame to SpatialPointsDataFrame)? I know I can do this
> > with ArcGIS but I would like not to use propietary software.
>
> Just build one from the coordinates and the data:
>
> > data(meuse.grid)
> > m = SpatialPixelsDataFrame(points = meuse.grid[c("x", "y")], data
> = meuse.grid)
> > class(m)
> [1] "SpatialPixelsDataFrame"
> > fullgrid(m)=TRUE
> > class(m)
> [1] "SpatialGridDataFrame"
>
> # now we have a SGDF, so convert to SPDF:
> > mp=SpatialPointsDataFrame(coordinates(m),dat...@data)
>
> > class(mp)
> [1] "SpatialPointsDataFrame"
>
> > names(m...@data)
> [1] "x" "y" "part.a" "part.b" "dist" "soil" "ffreq"
>
> Barry
>
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