描述
提供有关网络数据集中转弯源的信息。
属性
属性 | 说明 | 数据类型 |
name (只读) | 与该网络源相关的要素类名称。 | String |
sourceID (只读) | 网络数据集内此网络源的唯一标识符。 | Integer |
sourceType (只读) | 网络源类型。此属性返回以下关键字:
| String |
elementType (只读) | 网络源的网络元素类型。此属性返回以下关键字:
| String |
代码示例
显示网络数据集中转弯源的信息。
# Name: NDSTurnSourceProperties_ex01.py
# Description: Print the information about the turn 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("------- Turn sources")
#Get all the turn sources for the network dataset
turns = desc.turnSources
#Not all network datasets can have turn sources.
if not turns:
print("%*s" % (justify, "(No turn sources)"))
sys.exit(0)
for turnSource in turns:
print("%*s: %s" % (justify, "Source Name" , turnSource.name))
print("%*s: %s" % (justify, "Source ID" , str(turnSource.sourceID)))
print("%*s: %s" % (justify, "Source Type", turnSource.sourceType))
print("%*s: %s" % (justify, "Element Type", turnSource.elementType))
print(" ")