[geos-devel] [GEOS] #275: Topology Exception on valid geometries

[strk]

On Mon, Jul 06, 2009 at 09:44:40AM -0700, Martin Davis wrote:
> This works in JTS.

It works in trunk too when converted to an XML testcase.
I'll update the trac issue ASAP. Martin: I'd appreciate if
you could follow up there. TIA.

--strk;


> >#275: Topology Exception on valid geometries
> >------------------------+---------------------------------------------------
> > Reporter:  yabo        |       Owner:  geos-devel at lists.osgeo.org
> >     Type:  defect      |      Status:  new                       
> > Priority:  major       |   Milestone:  3.1.1                     
> >Component:  Default     |     Version:  svn-trunk                 
> > Severity:  Unassigned  |    Keywords:                            
> >------------------------+---------------------------------------------------
> > Hi,
> >
> > I've encoutered a situation where two valid geometries (as stated by
> > IsValidOp) throw a Topology Exception when being unioned. The first
> > geometry is a MultiPolygon and the second a Polygon. Unfortunately I
> > couldn't shrink the geometries down to a human-parsable size.
> >
> > I have this problem with both geos-3.1.0 and geos-svn-trunk.
> >
> > The reported error is :
> > {{{
> > TopologyException: found non-noded intersection between -3138.99 39.9929,
> > -3195.93 131.777 and -3145.05 62.5969, -3138.99 39.9929 -3138.99 39.9929
> > }}}
> >
> > I've attached the test program source to the ticket.
> >
> > Thanks,
> >
> >  
> >------------------------------------------------------------------------