最短路径问题分析与应用（ArcPy实现）

https://wenku.baidu.com/view/f1266f216094dd88d0d233d4b14e852459fb3991.html

# -*- coding: utf-8 -*-
import arcpy
print "输入示例：D:\桌面\Chp7\Ex2"
arcpy.env.workspace = raw_input("请输入数据所在路径：").decode("utf-8")
arcpy.TraceGeometricNetwork_management('city.mdb\\city\\city_Net', 'city_Net_t', 'city.mdb\\city\\place', "FIND_PATH")  # Process: 追踪几何网络
arcpy.CopyFeatures_management("city_Net_t\\net", '几何路径')  # Process: 复制要素

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