Hello,
 
I have a shapefile with 98,000+ polygons.  The Arcmap "Check Geometry" tool 
reports that many of those polygons have "incorrect ring ordering".
 
However, using the same shapefile, when I use the QGIS 2.2 Topology Checker 
Plugin with the "must not have invalid geometries" option, zero errors were 
found.
 
Apparently the Topology Checker Plugin does not check for incorrect ring 
ordering.  This brings up my question: just what does the Topology Checker 
Plugin look for?  The online help lists only some of the possible rules, not 
all of  them.  Is there a complete list somewhere?
 
Thanks, Stu 
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