I noticed Polygon shapefiles that were edited with ArcMap yield many errors in the QGIS Topology checker.
The picture below shows a polygon Shapefile. I made one error on purpose so the topology checker shows there is just one error (checking for overlap within the layer)
Next I edit this layer in ArcMap, creating a hole between two of the polygons
Then I use the QGIS topology checker again, yielding 3 additional errors.
Now my questions are:
- Can I change some settings in ArcMap so that it will not create this difference? I think it might be saving the vertices of the edited polygon with a lower precision.
- if it is not possible to fix it in ArcMap, then what is the quickest method to clean these tiny errors quickly afterwards with either QGIS or PostGIS?