[Qgis-user] Why does this message keeps occuring in QGIS? GEOS geoprocessing error: One or more input features have invalid geometry.

[Kirk Schmidt]

Oh, that's simple.  In the upper word menu, under Vector>Geometry Tools> 
Select Multipart to single part. Repeat this for all you polygon layers 
and then your merge should work (I assume you are trying to merge the 
layers).


On 1/16/2018 12:48 PM, David Shi wrote:
> Hi, Kirk,
>
> To make it simple, how to convert all polygons into simple polygons?
>
> Regards,
>
> David
>
>
> On Tuesday, 16 January 2018, 14:09, Kirk Schmidt 
> <kirk at nortekresources.com> wrote:
>
>
> This usually occurs when you try to merge features that are mixed 
> single and multipart lines or polygons. Simply use vector geometry 
> tools to convert from one type to another.
>
> On 1/16/2018 7:53 AM, David Shi wrote:
> How to resolving this issue?
>
>
>
> Regards,
>
> David
>
>
>
>
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> -- 
> Kirk Schmidt, MScF, BScF, RPF
> General Manager
> Nortek Resource Solutions Inc.
> RR # 1
> Thorburn, NS
> B0K 1W0
> Tel (902) 922.3607
> Email:kirk at nortekresources.com <mailto:kirk at nortekresources.com>
> Web:www.nortekreources.com <http://www.nortekreources.com/>
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-- 
Kirk Schmidt, MScF, BScF, RPF
General Manager
Nortek Resource Solutions Inc.
RR # 1
Thorburn, NS
B0K 1W0
Tel (902) 922.3607
Email: kirk at nortekresources.com
Web: www.nortekreources.com

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