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Temporal data can be implemented in the linear referencing system (LRS).
The LRS is said to be time aware because everything in it, from routes and events to route calibration, respects time. A route is a representation of a linear facility, such as a highway, at a specific date and time. When you locate events on a route, only the events that were active as of the date and time the route was active will display. The measure values on the route reflect the way the route was measured at that date and time, which may be different from the way the route is measured today. This allows you to set a specific date and time for each route, and each event layer, and see them as they were then. You can also add layers to your map with different time periods set so you can compare the past, present, and future.
Each representation of the network and its associated event layers is based on a temporal view date (TVD) set by the user in ArcGIS Pro.
The example above shows a highway both before and after a roundabout (traffic circle) has been constructed. The roundabout not only adds length to the highway system, which changes the measure values, it also changes the collection of assets that are associated with the highway. In this case, the 2005 version of the highway was 4.2 miles with a standard T-intersection controlled by stop signs. The 2010 version is 4.5 miles with a roundabout controlled by yield signs.
Learn more about time awareness in ArcGIS Pro
Setting the temporal view date
You can set the temporal view date by setting up the time filter for layers or by setting the time view for LRS data in a group.
Viewing and analyzing temporal events
By setting the TVD for events to different dates, you can easily visualize how events have changed over time. All events have From and To dates associated with them. ArcGIS Pipeline Referencing manages these dates for you when LRS Networks are updated. When you set the TVD for both routes and events, you can view the routes at a specific date and time. You can also add LRS networks and event layers to your map multiple times to provide multiple date and time representations.
Pipeline Referencing allows you to work with time-enabled layers outside of the platform using ArcGIS Pro or the various web client APIs. While temporal route edits should be made using the editing tools, your LRS can be used in conjunction with existing tools that work with time-enabled layers, such as the time slider in ArcGIS Pro.
Hinweis:
To use time-enabled edits in the ArcGIS Event Editor, you must remove all TVD definition queries from your layers before publishing your map service.
Learn more about setting the time view for LRS data in ArcGIS Pro