[Qgis-user] Problem splitting polygons with line layer

[Nyall Dawson]

On Tue, 8 Dec 2020 at 04:57, Bernd Vogelgesang <bernd.vogelgesang at gmx.de> wrote:
>
> Hi,
>
> I need to split a polygon with a line layer (representing parcel
> boundaries ).
>
> Using "Split with lines", the process always stops at 12% and there is
> no progress visible. The lines are imported from a CAD dwg as a
> CompoundCurveZ (never had to do with this before)

Is this on 3.16? I fixed a bunch of similar issues with this tool
here: https://github.com/qgis/QGIS/pull/39353

Nyall

>
> My goal is to "cut" the polygon, so I retrieve parcels of a specific
> area again.
>
> With other line layers from this dwg ist no problem spliting the
> polygon, only the parcel boundaries won't work.
>
> Does anybody have an idea what could be the cause of this problem, what
> I other tools I could try or if I have to proprocess the lines
> beforehand with other tools?
>
> Hoping for enlightment (and having a deadline tomorrow)
>
> Bernd
>
>
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