[R] importing shapefiles into spatstat

Don MacQueen macq at llnl.gov
Thu Dec 29 22:57:39 CET 2005


And I see that I am probably already be out of date! There is a nice 
article in R News Volume 5/2, November 2005, available from CRAN.
-Don

At 1:41 PM -0800 12/29/05, Don MacQueen wrote:
>Go to CRAN, to the "Packages" page, do a simple search on the text "shape".
>It will quickly lead you to
>    maptools	tools for reading and handling shapefiles
>  From there, I guess you'll have to extract the polygons from the
>structure that is returned by the function(s) in the maptools package.
>-Don
>
>
>
>At 1:59 PM -0600 12/29/05, Charlotte Reemts wrote:
>>Dear R users,
>>I am using spatstat to analyze point patterns (tree locations).  I would
>>like to import the shapefile with the study area polygons (six total) into R
>>and use it to create the window for the spatstat analysis.  I do not simply
>>want to use a rectangle because the study areas spread out over 40000 ha.
>>Any suggestions would be greatly appreciated.
>>Thanks,
>>Charlotte Reemts
>>
>>
>>Charlotte Reemts
>>Vegetation Ecologist
>>The Nature Conservancy--Fort Hood (TX) Project
>>P.O. Box 5190
>>Fort Hood, TX 76544-0190
>>254-286-6745
>>fax: 254-288-5039
>>CReemts at tnc.org
>>
>>	[[alternative HTML version deleted]]
>>
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>
>
>--
>--------------------------------------
>Don MacQueen
>Environmental Protection Department
>Lawrence Livermore National Laboratory
>Livermore, CA, USA
>
>______________________________________________
>R-help at stat.math.ethz.ch mailing list
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-- 
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA




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