Résumé
Returns a list of the available styles for generating directions from a route created during network analysis. Each directions style is appropriate for a different application.
Discussion
This function can be used in a custom script tool validation to populate a ValueList of available directions styles for the user to choose from, similar to the Directions Style Name parameter of the Find Closest Facilities tool.
Syntaxe
ListDirectionsStyleNames (network_dataset_path)
Paramètre | Explication | Type de données |
network_dataset_path | A variable that references the catalog path of the network dataset. The catalog path of a network dataset can be obtained from the dataSource property of a network dataset layer or a network analysis layer object. It can also be obtained from the catalogPath property of a network dataset describe object. The parameter also accepts a network dataset layer object. | String |
Valeur renvoyée
Type de données | Explication |
String | The list of available directions styles containing strings representing the styles installed on your machine. It is a subset of the following styles:
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Exemple de code
ListDirectionsStyleNames example
Reads a network dataset and lists its supported styles.
# Path to an on-disk network dataset
nds = r'C:Data/SanDiego.gdb/Transportation/Streets_ND'
# Create a list of directions styles available in the network dataset
dir_styles = arcpy.na.ListDirectionsStyleNames(nds)