In each form, the user will find the command “Network tracking” in the upper left part. Tracing as well as routing can be carried out. In routing, a network-path search is carried out from a start point to an end point. A tracing searches for all connected elements. The direction of the search can be defined by the user. Likewise, intermediate points that the searched network path is to avoid or use can be defined.
Network tracking using the example of a point
The Network-tracking command opens a selection for specifying the current object. The user can set the current element as a start, stop or end object for network tracking.
The network-tracking form is opened after a selection has been made.
Explanation of the network-tracking form
1. This displays the object selected for network tracking (with FID). The preceding symbol indicates whether the selected element was selected as a start, stop or end object.
2. Symbol for a start object. A new start object can be selected from the illustration by clicking on the button.
3. Symbol for a stop object. A new stop object can be selected from the illustration by clicking on the button.
4. Symbol for an end object. A new end object can be selected from the illustration by clicking on the button. This is possible only with the “Network-path search”, but not with “Search connected”.
If “Search connected” has been selected as the network-tracking template, the network tracking can be started after selection of the start and possibly a stop object, as well as the direction of the network tracking.
The results are listed, can be highlighted in the illustration or opened in the form.
If “Network-path search” has been selected as the network-tracking template, an end object can be selected in addition to the start and stop objects.
5. The elements selected via buttons 2–4 are displayed in form field 5.
6. Selected elements for network tracking can be removed using this button.
7. Selected elements are highlighted in the illustration.
8. Selected elements are highlighted with zoom in the illustration.
In the Stop-conditions subform, user-defined conditions for network tracking are displayed.
9. New stop conditions can be defined via this button.
10. Stop conditions can be edited.
11. Stop conditions can be deleted.
12. For creating new stop conditions via button 9, the editor 12 opens. An existing stop condition can be selected from the list or a new condition can be defined by clicking on the button. Feature classes, attributes and domain values can be selected.
If the stop conditions have been defined and confirmed with OK, they appear in the corresponding window.
13. This displays the defined stop conditions in the form.
14. Selecting the network-tracking types
Network-path search: Executes a routing from start point to end point.
Find connected: Executes a tracing across all connected elements.
15. Selecting the network-tracking direction
Both: Performs network tracking in both directions.
Forward/Reverse: Performs network tracking in the selected direction.
16. Controls the inclusion of stop objects in the network tracking.
17. The “Track” button starts the network tracking with the selected options.
The result of the network tracking is displayed in the Tracking-result form.
18. The forms for the result elements are opened.
19. The network-tracking result is displayed in the illustration.
20. The highlight is canceled.
21. Selected elements are zoomed in on.
22. The zoom is done by clicking. If this function is activated, the selected object is zoomed in on.