Much better!!

2009/9/3 Barry Rowlingson <b.rowlingson@lancaster.ac.uk>

> 2009/9/3 Cutberto Uriel Paredes Hernández <cutberto.paredes@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),data=m@data)
>
>  > class(mp)
>  [1] "SpatialPointsDataFrame"
>
>  > names(mp@data)
>  [1] "x"      "y"      "part.a" "part.b" "dist"   "soil"   "ffreq"
>
> Barry
>
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