[Qgis-user] Break (split) a polygon with lines

Achim Kisseler ak7 at jupiter.uni-freiburg.de
Tue Nov 24 07:25:06 PST 2009


Oh, sorry!

Thought it was the GRASS-Mailing-List!

Achim

Achim Kisseler schrieb:
> Yes, its:
> 
> v.overlay
> 
> with default: operator=or
> 
> afterwards you can use
> v.clean to remove dangles
> and add centroids in areas where dangles have been.
> 
> Hope it helps,
> Achim
> 
> Agustin Lobo schrieb:
>> Is it possible to break a polygon into parts using another layer with
>> lines that cross over the polygon?
>> I've tried clip, but while I can clip the lines by the polygon, I cannot
>> clip the polygon by the lines (which,
>> in general, might make sense, probably what I need is not "clipping" but
>> splitting).
>>
>> Thanks
>>
>> Agus
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