Tuesday, 17 November 2015

boundaries - postgis st_relate polygon inside another and sharing a boundary


I am trying to select polygons inside an other one WITH a common boundary. It seems that st_relate is the way but I can't find the right matrix, even if I don't see where the fault is in :


st_relate(e.geom, d.geom, '2FF11F212')

For example I want to select the bottom green polygon only


[For example I want to select the bottom green polygon only




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