[Qgis-user] How to 'difference' in existing layer
Jorge Gustavo Rocha
jgr at di.uminho.pt
Mon Feb 13 14:53:25 PST 2017
Hi Lene,
I'm not sure if I understood the question.
I would try the clip operation. You use the second layer to cut the
first layer. But the result is another layer. But a layer with holes :-)
I hope it helps!
J. Gustavo
Às 22:41 de 13-02-2017, Lene Fischer escreveu:
> Hi
>
>
>
> I have two layers of polygons
>
> I want to make holes in the first layer using the second layer as mask.
>
>
>
> I can do this by function ‘Difference’ – but the result is a third layer.
>
> I would like the holes in the polygons to be in the first (existing) layer.
>
>
>
> Any suggestions J
>
>
>
> Regards
>
>
>
>
>
> *Lene Fischer***
>
> Associate Professor
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>
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>
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J. Gustavo
--
Jorge Gustavo Rocha
Departamento de Informática
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