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

[Mateusz Loskot]

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:

http://link.springer.com/chapter/10.1007%2F3-540-26772-7_1

> 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