You haven't specified what you mean by "gap". The DE-9IM model is a "global" model, in that it considers the input geometries as a whole. You can use the DE-9IM to determine if two geometries have a "gap" between them via ST_Disjoint.
On Wed, Jul 6, 2022 at 8:48 AM Shaozhong SHI <[email protected]> wrote: > Is there a DE-9IM pattern for gaps? > Regards, > David > _______________________________________________ > postgis-users mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/postgis-users >
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