[postgis-devel] topology : finding if the ring is an inner ring or outer ring

Stephen Woodbridge woodbri at swoodbridge.com
Thu Feb 19 10:48:08 PST 2015

On 2/19/2015 1:04 PM, RĂ©mi Cura wrote:
> Hello,
> somebody knows how to find the information?
> I can't find something that will reliabily work with flat ring.

In postgis terms you might be able to use st_contains() or 


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