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Results tagged with polygon
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user 67513
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
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Creating polygons from gaps in PostGIS?
Jakub's answer does the job. In a similar approach, you could use ST_DumpRings to dump the interior rings, which have path != 0. Perhaps it can be a little bit faster for bigger tables.
WITH polygons( …
