Zusammenfassung
Provides information about system junction sources in a network dataset.
Eigenschaften
| Eigenschaft | Erläuterung | Datentyp |
| name (Schreibgeschützt) | The name of the feature class associated with this network source. | String |
| sourceID (Schreibgeschützt) | The unique identifier of this network source within the network dataset. | Integer |
| sourceType (Schreibgeschützt) |
The type of network source. This property returns the following keywords:
| String |
| elementType (Schreibgeschützt) |
Network element type of the network source. This property returns the following keywords:
| String |
| elevationFieldName (Schreibgeschützt) | The field name that is used as the elevation field when determining connectivity at coincident vertices. | String |
Codebeispiel
Displays information for system junction sources in the network dataset.
# Name: NDSSystemJunctionSourceProperties_ex01.py
# Description: Print the information about the system junction sources
# defined for the network dataset
import arcpy
import sys
# Set workspace
arcpy.env.workspace = "C:/Data/SanFrancisco.gdb/Transportation"
#Create a Describe object from the network dataset
desc = arcpy.Describe("Streets_ND")
justify = 35
print("------- System junction source")
#SDC network datasets do not have system junction source.
networktype = desc.networkType
if networktype.lower() == "sdc":
print("%*s" % (justify, "(No system junction source)"))
sys.exit(0)
#Get the system junction source for the network dataset.
sjSource = desc.systemJunctionSource
if not sjSource:
print("%*s" % (justify, "(No system junction sources)"))
sys.exit(0)
print("%*s: %s" % (justify, "Source Name" , sjSource.name))
print("%*s: %s" % (justify, "Source ID" , str(sjSource.sourceID)))
print("%*s: %s" % (justify, "Source Type", sjSource.sourceType))
print("%*s: %s" % (justify, "Element Type", sjSource.elementType))
print(" %*s: %s" % (justify, "Elevation Field",sjSource.elevationFieldName))
print(" ")