[QGIS-Developer] [Qgis-user] Split features tool behavior

James Wood jwood911 at gmail.com
Tue May 30 17:47:30 PDT 2017

Hey Andreas,
I haven't experienced the invalid geometry as you describe, but I did find that my QGIS install had some issues. I have upgraded to 2.18.9 on Win10. If you have a sample of your data available, I would be happy to try to corroborate. 

Sent from my iPhone

> On May 29, 2017, at 06:16, Andreas Wicht <a.wicht at gmail.com> wrote:
>> On 28 May 2017 at 14:43, James Wood <jwood911 at gmail.com> wrote:
>> On the digitizing toolbar, try "Split Parts" instead of "Split Features" on multipart polygons.
> Thank you for the hint, James. Somehow I always thought that this
> function is only suitable for separating an existing part from a
> feature (never used it though).
> Yet, if you cut a polygon with the "Split Parts" tool, the output will
> be an invalid geometry (I observed self-intersections). This as well
> can not be the intended behavior. I could observe those errors in
> simple scratch layers as well as in PostGIS layers.
> Has anybody else experienced this behavior?

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