[postgis-users] How to make this invalid polygon valid one

Markus Innerebner markus.innerebner at inf.unibz.it
Fri Mar 9 23:43:47 PST 2012


I am trying to create a buffer around my polygon, which unfortunately is not
a valid one.
(reason: "Self-intersection[......]").

This polygon is the output of my calculation that creates from a set of
connected edges an area, consisting of all edges located on the border.

Polygon image 

can someone tell me, what can I do, to remedy this behavior and to make this
geometry valid

this are the sql statements to reproduce my problem:



View this message in context: http://postgis.17.n6.nabble.com/How-to-make-this-invalid-polygon-valid-one-tp4564623p4564623.html
Sent from the PostGIS - User mailing list archive at Nabble.com.

More information about the postgis-users mailing list