[postgis-users] ST_Intersects differing results
Paul Norman
penorman at mac.com
Tue May 24 18:45:40 PDT 2016
On 5/24/2016 6:31 PM, Timothy Asquith wrote:
> - I’m experimenting with ST_Snap and filtering out ST_Touches, but
> it still returning the same 3 results
You may want to use the dimensionally extended 9 intersection model
(http://postgis.net/docs/manual-2.2/using_postgis_dbmanagement.html#DE-9IM)
if there isn't a function that expresses what you want.
Be sure to add a geom1 && geom2 condition if applicable so you get index
usage.
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