topic Topology failing to detect polygon errors in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/topology-failing-to-detect-polygon-errors/m-p/467488#M20601 <HTML><HEAD></HEAD><BODY><P>I have featureclasses with overlapping polygons which I can see visually in ArcGIS. I've created topology with the rule <BR />sand "does not overlap with" water. However, the resulting polygon errors output feature is empty. The only output with data is "dirty area".&nbsp;<BR /><BR />What is causing this?&nbsp;<BR /><BR />I've used the following options:&nbsp;<BR /><BR />Define. XY Ranks: 1<BR />Define. Feature Classes: sand, water.&nbsp;<BR /><BR />Add Rules.&nbsp;<BR />Feature Class 1: sand. Subtype 1: NA. Rule: does not overlap with. Feature Class 2: water. Subtype 2: NA.&nbsp;&nbsp;</P></BODY></HTML> Mon, 08 Jun 2020 10:06:12 GMT tt1 2020-06-08T10:06:12Z Topology failing to detect polygon errors https://community.esri.com/t5/arcgis-pro-questions/topology-failing-to-detect-polygon-errors/m-p/467488#M20601 <HTML><HEAD></HEAD><BODY><P>I have featureclasses with overlapping polygons which I can see visually in ArcGIS. I've created topology with the rule <BR />sand "does not overlap with" water. However, the resulting polygon errors output feature is empty. The only output with data is "dirty area".&nbsp;<BR /><BR />What is causing this?&nbsp;<BR /><BR />I've used the following options:&nbsp;<BR /><BR />Define. XY Ranks: 1<BR />Define. Feature Classes: sand, water.&nbsp;<BR /><BR />Add Rules.&nbsp;<BR />Feature Class 1: sand. Subtype 1: NA. Rule: does not overlap with. Feature Class 2: water. Subtype 2: NA.&nbsp;&nbsp;</P></BODY></HTML> Mon, 08 Jun 2020 10:06:12 GMT https://community.esri.com/t5/arcgis-pro-questions/topology-failing-to-detect-polygon-errors/m-p/467488#M20601 tt1 2020-06-08T10:06:12Z Re: Topology failing to detect polygon errors https://community.esri.com/t5/arcgis-pro-questions/topology-failing-to-detect-polygon-errors/m-p/467489#M20602 <HTML><HEAD></HEAD><BODY><P>Did you <A href="https://pro.arcgis.com/en/pro-app/help/editing/validate-and-fix-geodatabase-topology.htm">validate </A>the topology after creating it?</P></BODY></HTML> Tue, 09 Jun 2020 16:56:07 GMT https://community.esri.com/t5/arcgis-pro-questions/topology-failing-to-detect-polygon-errors/m-p/467489#M20602 Anonymous User 2020-06-09T16:56:07Z