[Qgis-user] Dealing with defective polygons.

[gene]

and 
> summary(cam.points)
      long             lat              order           hole        
 Min.   :365746   Min.   :4415479   Min.   :     1   Mode :logical  
 1st Qu.:428318   1st Qu.:4466888   1st Qu.:213378   FALSE:848750   
 Median :440164   Median :4475549   Median :426754   TRUE :4757     
 Mean   :437496   Mean   :4477502   Mean   :426754   NA's :0        
 3rd Qu.:447194   3rd Qu.:4485205   3rd Qu.:640131                  
 Max.   :495594   Max.   :4557518   Max.   :853507                  

....

The error detected and corrected by Grass

Warning 1: organizePolygons() received an unexpected
geometry.
Either a polygon with interior rings, or a polygon with less
than 4 points,or a non-Polygon geometry.  Return arguments as a
collection.



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