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I have one shapefile which has 78765 polygons of different year, path and row. I want to remove the polygons which has more than 80% of overlap. Can somebody help me because symmetrical difference, find identical did not work for me.

closed as unclear what you're asking by PolyGeo May 13 '16 at 21:36

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    What GIS software are you using? – ArMoraer May 13 '16 at 10:44