I have got a number of polygons within a single larger polygon. Parts of the smaller polygons go out from under the larger one, and I want to delete the parts of the smaller polygons, that go outside the larger one. How can this be done?

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2 Answers 2


You want to clip (QGIS -> Vector -> Geoprocessing Tool -> Clip) your smaller polygons with your larger polygon. This tutorial describes how to do this.


If your dataset is simple enough - one large polygon, you could use the clip function (menu Vector>Geoprocessing>Clip). First select the large polygon and export it into a new layer and use that as the overlay layer.
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