ArcMap

Street Name Fields

摘要

街道名称字段对象提供一些字段的信息，这些字段包含了在报告行驶方向时所用的街道名称。

属性

属性说明数据类型
prefixDirectionFieldName
(只读)

用于前缀方向的字段名称。

String
prefixTypeFieldName
(只读)

用于前缀类型的字段名称。

String
streetNameFieldName
(只读)

用于街道名称的字段名称。

String
suffixDirectionFieldName
(只读)

用于后缀方向的字段名称。

String
suffixTypeFieldName
(只读)

用于后缀类型的字段名称。

String
priority
(只读)

何时使用这些街道名称字段的优先级。默认值为 1。

Integer
fullNameFieldName
(只读)

用于存储整个街道名称的字段名称。

String
highwayDirectionFieldName
(只读)

用于高速公路方向的字段名称。

String
languageFieldName
(只读)

用于存储街道名称语言的字段名称。

String

代码示例

街道名称字段属性示例

显示在行驶方向中所用的街道名称字段的相关信息。

# Name: NDSStreetNameFieldsProperties_ex01.py
# Description: Print information about field names used to generate street names
#              in directions  

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  
    #Print the direction information specific to edge source    
    sDir = source.sourceDirections
    # Get the street name fields for each source
    sStreetFields = sDir.streetNameFields 
    for sStreetField in sStreetFields:
        print "Prefix direction field: " , sStreetField.prefixDirectionFieldName
        print "Prefix type field: " , sStreetField.prefixTypeFieldName
        print "Street name field: " , sStreetField.streetNameFieldName
        print "Suffix direction field: " , sStreetField.suffixDirectionFieldName 
        print "Suffix type field: " , sStreetField.suffixTypeFieldName 
        print "Priority: " , sStreetField.priority
        print "Full name field: " , sStreetField.fullNameFieldName
        print "Highway direction field: ",sStreetField.highwayDirectionFieldName
        print "Language field: " , sStreetField.languageFieldName