[Qgis-user] Split concentric polygons with a unique function

[Paolo Antonelli]

i'm apologize, I meant to say a difference


2014-05-27 10:44 GMT+02:00 G. Allegri <giohappy at gmail.com>:

> What do you mean with "splitting"?
> Do you mean perform difference? E.g. make polygon id=1 become a polygon
> with a hole defined by polygon with id=2?
> Or do you mean splitting into several layers?
>
> giovanni
>
>
> 2014-05-27 10:39 GMT+02:00 Paolo Antonelli <geol.paoloantonelli at gmail.com>
> :
>
>> Hi,
>>
>> i have a polygonal shapefile consists of 10 concentric areas. The column
>> ID of this shp identifies these 10 polygons.
>>
>>
>> [image: Immagine in linea 1]
>>
>>
>>
>> There is a feature that allows you to split each polygon based on the
>> remaining polygons, using the field ID?
>> In this case, for several reason, I cannot use "Delete ring"
>>
>> Many thanks,
>> paolo
>>
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>
>
>
> --
> Giovanni Allegri
> http://about.me/giovanniallegri
> Twitter: https://twitter.com/_giohappy_
> blog: http://blog.spaziogis.it
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>
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