Reading Multi Polygon Shapefiles
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 -- GMX DSL: Internet-, Telefon- und Handy-Flat ab 19,99 EUR/mtl. Bis zu 150 EUR Startguthaben inklusive! http://portal.gmx.net/de/go/ dsl
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