A subnetwork represents a topological part within a layer in which all connected and passable network features are defined by the same subnetwork controller.
Subnets are updated to ensure that attributes, network features and connectivity in a network are current and valid. When updating a subnetwork, errors and inconsistencies in a subnetwork also come to light, for example invalid features, disconnected or inconsistent subnetworks, incorrect numbers of subnetwork controllers or dirty areas that have not yet been validated.
When a subnetwork is updated, information in the table of subnetworks and attributes for features and objects is updated, and a subnet line can be created or updated in the SubnetLine feature class.
Further information on updating subnetworks can be found in the ArcGIS Pro on the Esri website.
Procedure
Subnetworks
1.Call function
The function can be opened via the toolbar > Validate >Subnetworks. In the left side panel, the Subnetworks tab opens.
All subnetworks in the entire database are displayed in the results area.
2.Select and visualize subnetworks
The view of the subnetworks can be restricted using the following functions:
•Search
•Domains and Tiers
If a filter has been applied to domains and tiers and the view is closed, filtering can be recognized by a green filter symbol behind "Domains and Tiers".
The filter settings affect both the subnetworks list and the visibility of the features on the map.
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Dirty subnetworks - Unchecked and faulty subnetworks are displayed
•Subnetworks in current extent
The visibility setting on the "Layer" tab affects the visibility of the results displayed here! Above all, the linear objects in the "Layer" tab should be set to "not visible" for optimum visualization of the subnetworks.
3.Update Subnetworks
Whether a subnetwork needs to be updated can be recognized by the status symbol, which is placed after a subnetwork.
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Unchecked subnetwork |
Subnet contains edits that have not yet been processed by the update subnet operation. |
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Validated subnetwork |
A consistent and successfully updated subnetwork. |
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Dirty subnetwork |
Warning that this subnetwork contains errors. |
The following functions are available via the action menu 
:
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Zoom and focus |
Zoom and focus on this subnetwork. |
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Validate and update |
Validation of the network topology and updating of the subnetwork. The validation is carried out for all features of the associated domain. |
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Display attributes |
Display attributes of this subnetwork. |
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Zoom to |
Zoom to this subnetwork. |
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Focus |
Focus on this subnetwork. |
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Spotlight |
Put this subnetwork in the spotlight. |
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Remove spotlight |
Remove any spotlight. |
4.Show results
If the subnetwork is successfully updated, this is displayed in a message.
In the event of problems during validation and updating, possible sources of error and sample solutions are offered.
5.Fix Errors
As in the Validate topology section, the same functions for troubleshooting a subnetwork are also available here via the action menu :
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Zoom to |
Zoom to the result(s) |
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Pan |
Pan to the result(s) |
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Pulse |
Briefly highlight result(s) on the map |
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Enable geometry editing of this feature |
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Enable attribute editing of this feature |
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Clear Results |
Delete feature |
