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A library providing vector geometry services

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PostGIS/GEOS strange TopologyException

How can this happen mv_kuvio=> select id,st_isvalid(geom) from x; id | st_isvalid -----+------------ 376 | t (1 row) mv_kuvio=> select k.id,st_isvalid(k.geom) from kuvio k, x where st_intersects( …
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