Resumen
The Network Dataset Shields object provides information about the directions shields settings for a given edge source.
Propiedades
Propiedad | Explicación | Tipo de datos |
combinedFieldName (Sólo lectura) | The field name whose values contain the whole address description. | String |
description (Sólo lectura) | The Shields Description object. | Object |
descriptionCount (Sólo lectura) | The number of shields. | Integer |
numberFieldName (Sólo lectura) | The field name whose values contain the house number. | String |
typeFieldName (Sólo lectura) | The field name whose values contain the street type. | String |
useCombinedField (Sólo lectura) | Indicates whether the shield information is contained in a single field (True) or in two fields (False). | Boolean |
Muestra de código
Display the directions shields information for each edge source in the network dataset.
# Name: NDSShieldsProperties_ex01.py
# Description: Print information about directions shields for each edge source
import arcpy
import sys
# Set the workspace
arcpy.env.workspace = "C:/Data/SanFrancisco.gdb/Transportation"
# Create Describe object for the network dataset
desc = arcpy.Describe("Streets_ND")
#If the directions are not set for the network dataset, exit
if not desc.supportsDirections:
print("No direction information")
sys.exit()
print("Source Direction Information ----")
# Get all the edge sources
sources = desc.edgeSources
if not sources:
print("No edge sources")
sys.exit()
#Loop through all the edge sources
for source in sources:
print("--------------------")
print("Name: " , source.name)
print("Source ID: " , source.sourceID)
#Get the direction information specific to edge source
sDir = source.sourceDirections
#Get the shields for each source
shields = sDir.shields
if shields:
print("Shield type field: " , shields.typeFieldName)
print("Number field:" , shields.numberFieldName)
print("Combined field: " , shields.combinedFieldName)
print("Description count: " , shields.descriptionCount)
else:
print("(No shield information)")