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

[David Shi]

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
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Nortek Resource Solutions Inc.
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Thorburn, NS
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Tel (902) 922.3607
Email: kirk at nortekresources.com
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