[R-sig-Geo] package for writing shapefiles from SpatialPolygons?
Roger.Bivand at nhh.no
Thu Aug 31 10:50:58 CEST 2006
On Thu, 31 Aug 2006, Michael Sumner wrote:
> > What is a shapefile? It has a *.shp, a *.shx, _and_ a *.dbf at least. So
> > you can't go from a SpatialPolygons object to a shapefile, it has to be
> > SpatialPolygonsDataFrame, even if the only column in the data frame is
> > just a holder. So create a data frame (with row names equal to the
> > Polygons ID values), make a SpatialPolygonsDataFrame, and
> > writePolyShape().
> Oh sorry, I had missed that "writePolyShape" function. It's aliased to
> its read counterpart, and I thought I was seeing write.polylistShape.
I'll split it out if you like - in the help.start() browser based help
system, each alias is listed separately, so you would have seen it there.
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