Displaying 2 results from an estimated 2 matches for "gpclibpermitstatus".
2010 Jun 05
1
Issues with unionSpatialPolygons on Ubuntu
...s me the following error when trying to
combine polygons within a shapefile:
# Read in shapefile and merge polygons
foo <- readShapePoly("foo.shp", proj4string = CRS("+init=epsg:2272"))
IDs <- as.character(foo$ID)
SP_out <- unionSpatialPolygons(foo, IDs)
Error: isTRUE(gpclibPermitStatus()) is not TRUE
I've seen some posts about a package "rgeos" which may have something
to do with this error, and I downloaded the source from:
http://r-forge.r-project.org/R/?group_id=602
But when I've tried to install by source using R CMD INSTALL (or using
install.packages())...
2010 Jun 09
1
[R-sig-Geo] How to extract coordinates values from a shapefile?
...t; On Jun 9, 2010, at 3:34 PM, Thiago Veloso wrote:
>
> > Dear Nikhil,
> >
> > Thank you for your input. I tried your suggestion and received the
> > following error:
> >
> > > fortify(br)
> > Using UF_05 to define regions.
> > Error: isTRUE(gpclibPermitStatus()) is not TRUE
> > >
> >
> > Do you know what else could be done?
> >
> > Best wishes,
> >
> > Thiago.
> >
> > --- On Wed, 9/6/10, Nikhil Kaza <nikhil.list@gmail.com> wrote:
> >
> > From: Nikhil Kaza <nikhil.list@gm...