[R-sig-Geo] "Abridged" description of SpatialPolygonsDataFrame objects?
Michael Sumner
mdsumner at utas.edu.au
Mon Oct 29 11:11:51 CET 2007
If "d" is a SPolyDF
## first row/object
d[1,]
str(d[1,])
## the first Polygons object itself (Polygons can be of many)
d at polygons[[1]]
str(d at polygons[[1]])
## the first Polygon in the first Polygons object
d at polygons[[1]]@Polygons[[1]]
str(d at polygons[[1]]@Polygons[[1]])
Agustin Lobo wrote:
> Hi!
>
> If I do str(a) where a is a SpatialGridDataFrame, I get
> a description of the structure that is readable,
> but for SpatialPolygonsDataFrame the output of str() is
> too long. Is there any way of looking at the
> structure of a SpatialPolygonsDataFrame object just down to
> a certain level? For example, not getting the structure of the
> each polygon but getting the first one only.
>
> Thanks
> Agus
>
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