[R-sig-Geo] Reading Multi Polygon Shapefiles

[Nikhil Kaza]

try readOGR in rgdal package.

If you are using a mac, installing rgdal is slightly more complicated.
http://www.kyngchaos.com/software:frameworks


Nikhil Kaza
Asst. Professor,
City and Regional Planning
University of North Carolina

nikhil.list at gmail.com

On Jun 30, 2010, at 5:44 AM, Mario Gellrich wrote:

> Dear list members
>
> I have a question concerning the import of multipolygon-shapefiles  
> (ESRI notation: PolygonM, type 25). I tried readShapePoly() from the  
> maptools package, the PBSmapping package (which seems to use the  
> same function) and read.shapefile() from the shapefile package. With  
> maptools/PBSmapping I've got the message that this polygon-type  
> cannot (yet) be handled. Is there another way to read such shapefile- 
> types? We also have PostGIS in our office, but I did'nt tried out,  
> whether it works or not. I work with R version 2.10.1 (64 bit) on Mac.
>
> Best regards
>
> Mario
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