[postgis-users] Help with fixing invalid geometries

[Markus Schaber]

Hi, Rob,

Rob Tester wrote:
> I imported some shape files into postgres everything went well except
> that many (several thousand) of the polygons have self intersections. I
> was wondering if there was a way to easily find the point(s) on the
> polygon that causes the self intersection as well as then 'nudge' the
> point away from the line it is intersecting. I would prefer to not do
> this manually if possible. Any thoughts?

May be the polygonize function can help you.

HTH,
Markus


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

Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org