[OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

Mateusz Loskot mateusz at loskot.net
Sun Oct 27 16:20:55 PDT 2013

On 27 October 2013 22:04, Wilko Quak <c.w.quak at tudelft.nl> wrote:
> Hi All,
> The paper is from 2005

Yes, that's what Springer says:


> and uses PostGIS 0.6.2.

I see,  I missed that important detail.

> I am not sure whether PostGIS
> had an ST_IsValid function at the time. Anyway when I am back in the office
> I'll try to find the original scripts.

That would be helpful, thanks!

Best regards,
Mateusz  Loskot, http://mateusz.loskot.net

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