Checking Logical Topologies

Use the Network Topology Checker to process logical topologies.

To check a logical topology

1. In the Industry Model Explorer, click Industry Model Explorer.
2. In Industry Model Explorer, expand the Topologies item.
3. Right-click a logical topology and click Topology Checker.

   In the resulting window, each topology error type is stored in its own node.

4. Expand the nodes and items to see more details.

   At the feature level, by default, the FID and name of the feature class is shown. Double-click an item to display the feature information related to the error message.

   Note:

   You must enable the double-clicking in the application options. See Setting Application Options.

   The following error types may be displayed:

   • Feature Has No Connections: The feature is not connected to another feature.
   • Edge Without Start Node: Applies to a utility model topology.
   • Edge Without End Node: Applies to a utility model topology.
   • Node Without Edge: Applies to a utility model topology.
   • Edge With More Than One Start Node: Applies to a utility model topology.
   • Edge With More Than One End Node: Applies to a utility model topology.
5. Do any of the following:
   • Select an error and click .

     All features under the selected item are highlighted. To remove the highlighting, click .

   • Zoom to the highlighted feature in your map. You can also click Zoom On Click to automatically zoom to a feature when you click it.
   • Open the feature class form to see feature information.
   • Delete the selected feature from the database.
6. When you are finished repairing topology errors, click to make sure no errors remain.

For more information about network analysis workflows, see the appropriate Utility Application Guide, such as “Water Application Guide.”