[R-sig-Geo] How to create a SpatialPolygonsDataFrame object

[Don MacQueen]

There is a useful example in the help page for the overlay function. See

   help('overlay')

-Don

At 7:49 PM -0600 11/9/09, Chen, Shaofei wrote:
>Hello everyone,
>
>I can read polygon shape files into SpatialPolygonsDataFrame objects 
>using maptools library. But how to create a 
>SpatialPolygonsDataFrame object, for example, a 400 by 400 polygon?
>Thank you in advance!
>
>Best,
>Shaofei
>	[[alternative HTML version deleted]]
>
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-- 
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
925-423-1062