Calculates a string describing the nearest marker and offset of a route event from a set of ATIS lrs tables and stores the value in a specified field. For example, enter a00 if the lrs tables are named a00int, a00lut, and a00kmr.
If the input features are from a layer or table view having a selection set, only the selected features will be used.
For polylines, nearest marker fields can be populated for both from and to measures by executing the tool twice. Specify the from measure and its nearest marker field in one run, and the to measure and its nearest marker field in the second run.
The nearest marker field will be set to null when the nearest marker cannot be located. This can occur on routes which do not have markers.
The ATIS lrs tables can created from utilities contained in the LRS Advanced Toolset.
Calculate_Nearest_Marker_Field (input_features, input_features_route_field, input_features_from_measure_field, input_features_nearest_marker_field, input_lrs_workspace, input_lrs_tablename_prefix)
| Parameter | Explanation | Data Type |
|---|---|---|
| input_features | Dialog Reference
The input table, feature class, or layer to be updated. There is no python reference for this parameter. |
Table View |
| input_features_route_field | Dialog Reference
The field describing which route the event is along. This must be a string field. There is no python reference for this parameter. |
Field |
| input_features_from_measure_field | Dialog Reference
The field describing the measure along the route that the event occurs. This must be a double field. There is no python reference for this parameter. |
Field |
| input_features_nearest_marker_field | Dialog Reference
The field to be updated with a string describing the nearest marker of the event defined by the route identifier and from measure fields. This must be a string field. There is no python reference for this parameter. |
Field |
| input_lrs_workspace | Dialog Reference
The workspace where the ATIS lrs tables are stored. The lrs tables are a trio of tables consisting of an intersection (int), lookup (lut), and range (kmr) tables, as well as a marker table. The marker tablename is hardcoded to be a00m. There is no python reference for this parameter. |
Workspace |
| input_lrs_tablename_prefix | Dialog Reference
The tablename prefix for the ATIS lrs tables. A valid trio of tables will have the same name prefix and will only differ by the name suffix (int, lut, and kmr). There is no python reference for this parameter. |
String |
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