Roger Bivand <Roger.Bivand <at> nhh.no> writes: > > On Tue, 11 May 2010, manuel.schneider <at> art.admin.ch wrote: > ... > > Error in is.vector(X) : ring not closed > > http://shapelib.maptools.org/dl/shapefile.pdf > > does specify that a polygon in a shapefile must be closed. You may be able > to use readShapePoly(..., force_ring=TRUE) in maptools to work around the > problem. > > Roger > >
As always, your suggestion does the trick. Thanks a lot. However, still puzzled why it occurs. _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
