Problem to load a shape file

1 message · MacQueen, Don

Original

Wed, Jan 2, 2013 10:13 AM #

What does the 
   unzip(temp, "Brasil.shp")
function produce?

A "shapefile" is actually several files, and all must be present in order
to read the "shapefile".

I'd also suggest r-sig-geo for this kind of question.

-Don

Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062





On 12/28/12 11:14 PM, "dms at riseup.net" <dms at riseup.net> wrote:

>Dear all, I've been puzzled why I not able to load a shapefile from a
>connection. Does anyone here can give a reasonable answer?
>When I try the following script I got this error:
>Error in getinfo.shape(fn) : Error opening SHP file
>
>
>#Reproduction
>
>temp <- tempfile()
>download.file("http://metodologiapolitica.com/download/Brasil.zip",temp)
>shp.br <- readShapePoly(unzip(temp, "Brasil.shp"))
>unlink(temp)
>
>Just for acknowledgement, I successful can load the file whenever I open
>it from the disk.
>
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