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Cartographic realignment is the method of updating the route geometry based on aerial imagery, as-built drawings, or input from field data collectors in a manner that does not change measures. To do this, you can directly modify the centerline that is associated with the route.
Learn more about applying cartographic realignment
Cartographic realignment scenario
When cartographic realignment occurs, events are impacted depending on the configured event behavior for the event layer. The following are the results of executing the Apply Event Behaviors geoprocessing tool on event features.
Honor Route Measure behavior
The geographic location and the measures of the event change to that of the resultant cartographically realigned route, and the route and the event always remain in sync. Since the route is not time sliced, the event is also not time sliced because of this operation.
When performing a cartographic realignment, you may choose the Honor Route Measure rule.
| Behavior | Description |
|---|---|
Honor Route Measure | Preserves the measure of the event. |
Hinweis:
Point events follow the same behavior as linear events.
Detailed behavior results
The following section details how event behavior rules are enforced when a route is cartographically realigned.
Honor Route Measure behavior
The Honor Route Measure rule either preserves the measure of the event or changes the measure proportionally to the route's measure change.
| Route ID | From date | To date | Line name |
|---|---|---|---|
Route1 | 1/1/2000 | <null> | East Line |
| Event ID | Route ID | From date | To date | From measure | To measure |
|---|---|---|---|---|---|
Event1 | Route1 | 1/1/2000 | <null> | 0 | 10 |
Cartographic realignment on routes in a line network with events that span routes
The following sections detail how event behavior rules are enforced when a route on a line in a line network is cartographically realigned.
Honor Route Measure behavior
Cartographic realignment will result in the following:
- Event1 will have its shape regenerated to match the updated shape of the routes on which it is located.
- Event2 will have its shape regenerated to match the updated shape of the routes on which it is located.
Before Honor Route Measures
The following diagram and table provide details about the route and its measures before cartographic realignment.
| Event ID | From date | To date | From Route ID | To Route ID | From measure | To measure |
|---|---|---|---|---|---|---|
Event1 | 1/1/2000 | <null> | Route1 | Route3 | 0 | 30 |
Event2 | 1/1/2000 | <null> | Route3 | Route4 | 30 | 48 |
After Honor Route Measures
The following diagram and table provide details about the route and its measures after cartographic realignment.
| Event ID | From date | To date | From Route ID | To Route ID | From measure | To measure |
|---|---|---|---|---|---|---|
Event1 | 1/1/2000 | <null> | Route1 | Route3 | 0 | 30 |
Event2 | 1/1/2000 | <null> | Route3 | Route4 | 30 | 48 |