文档介绍：最短路径分析(源码) using System; ArcEngine using ; using ; using ; using ; //12 namespace GisEditor {/// <summary> /// 最短路径分析/// </summary> public class ClsPathFinder {private work work; private IMap m_ipMap; private IPointCollection m_ipPoints; private IPointToEID m_ipPointToEID; private double m_dblPathCost =0; private EID EID_Junctions; private EID EID_Edges; private IPolyline m_ipPolyline; #region Public Function //返回和设置当前地图 public IMap etMap {set{ m_ipMap =value;} get{return m_ipMap;} }//打开几何数据集的网络工作空间 public void work(IFeatureDataset FeatureDataset) {CloseWorkspace(); if(!workAndMap(FeatureDataset)) ( "work 出错"); }//输入点的集合 public IPointCollection StopPoints {set{m_ipPoints= value;} get{return m_ipPoints;} }//路径成本 public double PathCost {get {return m_dblPathCost;} }//返回路径的几何体 public IPolyline PathPolyLine() {IEIDInfo ipEIDInfo; IGeometry ipGeometry; if(m_ipPolyline!=null)return m_ipPolyline; m_ipPolyline =new PolylineClass(); IGeometryCollection ipNewGeometryColl =m_ipPolyline as IGeometryCollection; ISpatialReference ipSpatialReference =; IEIDHelper ipEIDHelper =new EIDHelperClass(); =work; =ipSpatialReference; =true; IEnumEIDInfo ipEnumEIDInfo = (EID_Edg