Advanced Editing and Topology

 Topology specifies the spatial relationships, or constraints, among features in a layer and among features in different layers.

I needed to learn topological relationships by learning a list of topology rules, validating them against data, and editing to remove the topological errors found by the validation.

This website was helpful in learning the topology rules.

Geodatabase topology rules and fixes for polygon features—ArcGIS Pro | Documentation


Must Be Larger Than Cluster tolerance



Must Not Overlap

Must Not Have Gaps

Must Not Overlap With


Must Be Covered By Feature Class Of


Must Cover Each Other

Must Be Covered By


Boundary Must Be Covered By



Area Boundary Must Be Covered By Boundary Of


Contains Point


This information was really helpful in making my own map, and this is my map and rule chart before building.


Before builidng

Rule charts











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