[geos-devel] is this a bug polygon intersection?

[Martin Davis]

JTS has the TestBuilder (which is a GUI) and the TestRunner (which reads XML files).  Check the doc for more details.

I usually use the TestBuilder for trying cases like this, because it can validate Geometries and show you where the problem is

Martin Davis, Senior Technical Architect
Vivid Solutions Inc.
Suite #1A-2328 Government Street   Victoria, B.C.   V8T 5G5
Phone: (250) 385 6040 - Local 308      Fax: (250) 385 6046



> -----Original Message-----
> From: strk [mailto:strk at keybit.net]
> Sent: Wednesday, November 12, 2003 10:45 AM
> To: GEOS Development List
> Cc: pramsey at refractions.net; Martin Davis
> Subject: Re: [geos-devel] is this a bug polygon intersection?
> 
> 
> pramsey wrote:
> > Stuff it through jts1.3, that is the code base which 
> matches the current 
> > geos. Then stuff it through 1.4 and see if it's fixed :)
> > P.
> 
> How is JTS-stuffing done ? :>
> Is there any ready unix utility for xml runs ?
> 
> --strk;
> 
> 
> > 
> > strk wrote:
> > 
> > > strk wrote:
> > > 
> > >>jingping.xie wrote:
> > >>
> > >>>an exception was got:
> > >>>Microsoft C++ exception: geos::TopologyException @ 
> 0x0012e5e0$B!#(B
> > >>
> > >>Messages is [ exception->toString() ]:
> > >>	TopologyException: side location conflict (16200,45000)
> > > 
> > > 
> > > I tried importing xie's test data into PostGIS and I get 
> a different message:
> > > 	TopologyException: no outgoing dirEdge found (17000,46000)
> > > 
> > > It might be related to the PrecisionModel used.
> > > Does any bell rings ?
> > > 
> > > --strk
> > > 
> > > _______________________________________________
> > > geos-devel mailing list
> > > geos-devel at geos.refractions.net
> > > http://geos.refractions.net/mailman/listinfo/geos-devel
> > 
> > 
> > -- 
> >        __
> >       /
> >       | Paul Ramsey
> >       | Refractions Research
> >       | Email: pramsey at refractions.net
> >       | Phone: (250) 885-0632
> >       \_
> > 
> > 
> > _______________________________________________
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> > geos-devel at geos.refractions.net
> > http://geos.refractions.net/mailman/listinfo/geos-devel
> 
> -- 
> pallamondo.net  <-- take a look !
> 
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