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Finding and deleting overlapping polygons using QGIS

Geographic Information Systems Asked on July 15, 2021

I have generated these (green) polygons in ArcMap 10.5.1 by: import XY data > buffer 5 m > minimum bounding geometry (plus a couple of other steps).

image.png

self-intersect of polygons

The screenshot is a self-intersect of the polygon layer. I need to achieve zero overlaps between polygons, by deleting the minimum number of them. I have tens of thousands of polygons.

Can someone suggest a way around this?

Related question in arcgis thread here.

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