Tuesday 11 July 2017

How to split a polygon by a polygon using PostGIS?


I've a large polygon (table_a) that contains a smaller polygon (table_b). Now I want to split the larger polygon by the smaller polygon.


Unfortunately st_split(table_a.geom, table_b.geom) isn't working (Error: Splitting a Polygon by a Polygon is unsupported).



Is there any way to split a polygon by a polygon using PostGIS?


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