[postgis-devel] Two geometries intersects but intersection is empty

[Paul Ramsey]

http://trac.osgeo.org/postgis/wiki/FAQ#WhydontST_InterectsandST_Intersectionreturnconsistentresults

On Thu, Jun 3, 2010 at 11:27 AM, Paul Ramsey <pramsey at opengeo.org> wrote:
> Yes, very possible. Need a FAQ entry for that one...
>
> On Thu, Jun 3, 2010 at 10:56 AM, Pierre Racine
> <Pierre.Racine at sbf.ulaval.ca> wrote:
>> Hi,
>>
>> Is it possible that st_intersects returns true on two geometries but their st_intersection returns "GEOMETRYCOLLECTION EMPTY"?
>>
>> I have a nice case here...
>>
>> Pierre
>>
>> _______________________________________________
>> postgis-devel mailing list
>> postgis-devel at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-devel
>>
>