[postgis-users] ERROR: pt_in_ring_2d

[strk at refractions.net]

On Mon, Mar 27, 2006 at 10:07:37AM +0200, Christo Du Preez wrote:
> Hi All,
> 
> I'm receiving the following error. Can someone please advise me on this.
> 
> ERROR:  pt_in_ring_2d: V[n] != V[0] (18.7 -33.4651 != 18.7 -33.4651)

Check if the MultiPolygon results valid with the isvalid() function.
That message comes from an integrity checker that verifies first point
to be equal to last point in a linear ring.

--strk;