Hi Sean,
I encountered this problem too on Ubuntu and had to roll back to 1.0.7
(probably should have reported it...)
The /usr/include/geos_c.h file does have the following in it:
extern int GEOS_DLL GEOSCoordSeq_getOrdinate(const GEOSCoordSeq s,
unsigned int idx, unsigned int dim, double *val);
However I noticed that this file is actually installed with the package
libgeos-dev. If you remove libgeos-dev (and hence the geos_c.h file) you
still get the same error.
You can recreate this problem quite easily using vmplayer
(http://www.vmware.com/products/player/) and this virtual ubuntu:
http://www.gisvm.com/
Cheers,
Dom
On Wednesday 19 November 2008 02:16:53 Sean Gillies wrote:
> Alessandro Amici wrote:
> > I just updated to Shapely version 1.0.10 with easy_install on two Ubuntu
> > systems, compile is fine, but I get the following error at runtime:
> >
> > AttributeError: /usr/lib/libgeos_c.so.1: undefined symbol:
> > GEOSCoordSeq_getOrdinate
> >
> > GEOS is version 2:
> >
> > ii libgeos-c1 2.2.3-4 Geometry
> > engine for Geographic Information Systems - C Library
> >
> > I worked around the problem downgrading to Shapely 1.0.7 (after seeing
> > Sean post about bad GEOS 2 compatibility for the 1.0.8 release).
> >
> > I'd post it on trac, but there's no info on where and how to post bugs
> > in the wiki!
> >
> > Keep up the good work,
> > Alessandro
>
> Alessandro,
>
> Can you show me the 2.2.3-4 geos_c.h file? GEOSCoordSeq_getOrdinate is
> definitely present in the code I checked out from the GEOS repository
>
> http://trac.osgeo.org/geos/browser/tags/2.2.3/source/capi/geos_c.h.in
>
> and tests with it are passing. Perhaps there was a mix-up, with the
> Debian package missing a function?
>
> Sean
>
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