Message-ID: <alpine.LRH.2.02.1211301752110.28713@reclus.nhh.no>
Date: 2012-11-30T16:56:33Z
From: Roger Bivand
Subject: readOGR and PostGIS: "Error getting field 0"
In-Reply-To: <50B8E004.1050203@ase-research.org>
On Fri, 30 Nov 2012, Mathieu Basille wrote:
> Le 30/11/2012 11:27, Roger Bivand a ?crit :
>> [...]
>>
>> Thanks very much, this is the information needed, that there are no fields.
>> It appears that at least in this driver, readOGR() needs to be able to
>> return a geometry-only object, or to create a GID column in the data.frame.
>> I'll let you know when I've committed to R-forge, and will be very grateful
>> if you can check out the source package, install, and test whether the
>> changes have helped. It may take a little time to get there, but I'll give
>> it priority.
>
> I'd be happy to test when it's ready! However, no need to hurry: in the
> meantime, it is still possible (and easy) to add a dummy field to make
> readOGR work.
OK, thanks. SVN revision 389 committed to R-forge project rgdal, checkout
from:
svn checkout svn://scm.r-forge.r-project.org/svnroot/rgdal/pkg
and rename pkg -> rgdal (to avoid getting multiple branches), then try
R CMD check rgdal, if OK INSTALL, and try your problem.
Roger
>
> Thank you very much for you work!
> Mathieu.
>
>
>> Roger
>
>
>
--
Roger Bivand
Department of Economics, NHH Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no