[postgis-users] Intersection problems

[Sean M. Montague]

-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Markus Schaber
Sent: Tuesday, March 08, 2005 7:03 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Intersection problems

Hi, Sean,

Sean M. Montague schrieb:
> I posted a few days ago about some intersection problems I was having,
> and speculated that it may be doughnut poly problems.  Further
> investigation shows that the doughnuts are not necessarily the
problem.
> It appears that if the bb representing what I want to intersect splits
a
> poly with a doughnut hole in it, postgreSQL will not even execute the
> SQL statement if the doughnut hole is intersected also.  It is
difficult
> to explain, so I have exported a jpeg showing the poly and the bb
> representing what I am trying to export.  If it'll help, let me know
and
> I will send the jpeg.  Thank you.

Please send it. Can you also send us WKT or HexWKB rep of those two
geometries?

Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org
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