Shields

摘要

网络数据集的盾形路牌符号对象将提供有关特定边源的方向盾形路牌符号的设置信息。

属性

属性	说明	数据类型
combinedFieldName (只读)	其值包含整个地址描述的字段名称。	String
description (只读)	盾形路牌符号描述对象。	Object
descriptionCount (只读)	盾形路牌符号的数量。	Integer
numberFieldName (只读)	其值包含门牌号的字段名称。	String
typeFieldName (只读)	其值包含街道类型的字段名称。	String
useCombinedField (只读)	指示盾形路牌信息是包含在单个字段 (True) 还是包含在两个字段 (False) 中。	Boolean

代码示例

盾形路牌符号属性示例

显示网络数据集中每个边源的方向盾形路牌符号信息。

# 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)")