arcserver中最短路径分析与障碍点的设置

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer;
using ESRI.ArcGIS.ADF.ArcGISServer;
using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using System.Collections.Specialized;
using System.Collections;
/// <summary>
/// findBarrierPath 的摘要说明
/// </summary>
public class findBarrierPath2
{
 public findBarrierPath2()                                    
 {
  //
  // TODO: 在此处添加构造函数逻辑
  //
 }
     ESRI.ArcGIS.ADF.Web.UI.WebControls.Map Map1 = new ESRI.ArcGIS.ADF.Web.UI.WebControls.Map();

    string sourceLayername = "";
  
    public void doFindPath(string name1, string name2,ESRI.ArcGIS.ADF.Web.UI.WebControls.Map mapcontrl)
    {
        Map1 = mapcontrl;
        sourceLayername =(string) Map1.Page.Session["SourceLayer"];
        //ags的服务器名
        string SERVER_NAME = "cinasoft-yfs";
  
        //ags里发布的Map Service名
        string ROUTE_SERVICE_NAME = "NDTest2";
        //创建NAServerProxy
       ESRI.ArcGIS.ADF.ArcGISServer.NAServerProxy naServerProxy = NAServerProxy.Create(SERVER_NAME, ROUTE_SERVICE_NAME, null);
        if (naServerProxy == null)
        {
            naServerProxy.Dispose();
            throw (new System.Exception("Error"));
        }
        else
        {
            //获取网络层的名称

            string[] nLayers = naServerProxy.GetNALayerNames(esriNAServerLayerType.esriNAServerRouteLayer);
            //

            NAServerSolverParams solverParams = naServerProxy.GetSolverParameters(nLayers[0]) as NAServerSolverParams;
           
            NAServerRouteParams routeParams = solverParams as NAServerRouteParams;
            //不返回地图
            routeParams.ReturnMap = false;
            //返回RouteGeometries
            routeParams.ReturnRouteGeometries = true;
            routeParams.ReturnStops = true;
            routeParams.ReturnDirections = true;

            //设置起点PropertySet参数
            PointN point = QueryPoint(name1);
            PropertySet propSet = new PropertySet();
            PropertySetProperty[] propSetProperty_new = new PropertySetProperty[2];
            propSet.PropertyArray = propSetProperty_new;

            PropertySetProperty propSetProperty = new PropertySetProperty();
            propSetProperty.Key = "Shape";
            propSetProperty.Value = point;

            PropertySetProperty propSetProperty2 = new PropertySetProperty();
            propSetProperty2.Key = "Name";
            propSetProperty2.Value = name1;

            propSet.PropertyArray[0] = propSetProperty;
            propSet.PropertyArray[1] = propSetProperty2;

            //设置终点PropertySet参数
            PointN point2 = QueryPoint(name2);
            //新建propertyset及PropertySetProperty数组
            PropertySet propSet2 = new PropertySet();
            PropertySetProperty[] propSetProperty_new2 = new PropertySetProperty[2];
            propSet2.PropertyArray = propSetProperty_new2;
            //设置propSet结构
            PropertySetProperty propSetProperty3 = new PropertySetProperty();
            propSetProperty3.Key = "Shape";
            propSetProperty3.Value = point2;
            PropertySetProperty propSetProperty4 = new PropertySetProperty();
            propSetProperty4.Key = "Name";
            propSetProperty4.Value = name2;

            propSet2.PropertyArray[0] = propSetProperty3;
            propSet2.PropertyArray[1] = propSetProperty4;

            //设置终点PropertySet参数
            setBarriers2 setbar = new setBarriers2();
            PointN[] pntArray = setbar.getPoint();
            PropertySet[] prosetBarriers = new PropertySet[20];
           
            for (int i = 0; i < pntArray.Length; i++)
            {
              
                PointN point3 = pntArray[i];

                //新建propertyset及PropertySetProperty数组
                PropertySet propSet3 = new PropertySet();
                PropertySetProperty[] propSetProperty_new3 = new PropertySetProperty[1];
                propSet3.PropertyArray = propSetProperty_new3;
                //设置propSet结构
                PropertySetProperty propSetProperty5= new PropertySetProperty();
                propSetProperty5.Key = "Shape";
                propSetProperty5.Value = point3;
                PropertySetProperty propSetProperty6 = new PropertySetProperty();
                propSetProperty4.Key = "Name";
                propSetProperty4.Value = "b";

                propSet3.PropertyArray[0] = propSetProperty5;

                //设置障碍
                prosetBarriers[i] = propSet3;
             
            }
        
            ////新建propertyset及PropertySetProperty数组
            //PropertySet propSet3 = new PropertySet();
            //PropertySetProperty[] propSetProperty_new3 = new PropertySetProperty[1];
            //propSet3.PropertyArray = propSetProperty_new3;
            ////设置propSet结构
            //PropertySetProperty propSetProperty5 = new PropertySetProperty();
            //propSetProperty5.Key = "Shape";
            //propSetProperty5.Value = point3;
            //PropertySetProperty propSetProperty6 = new PropertySetProperty();
            //propSetProperty4.Key = "Name";
            //propSetProperty4.Value = "b";
            //PropertySet[] prosetBarriers = new PropertySet[1];
            //propSet3.PropertyArray[0] = propSetProperty5;

            ////设置障碍
            //prosetBarriers[0] = propSet3;

            //设置Stops参数
            PropertySet[] propSets = new PropertySet[2];
            propSets[0] = propSet;
            propSets[1] = propSet2;
            NAServerPropertySets StopsPropSets = new NAServerPropertySets();
            StopsPropSets.PropertySets = propSets;

            //PropertySet[] prosetBarriers = new PropertySet[1];
            ////设置障碍
            //prosetBarriers[0] = propSet3;
            NAServerPropertySets barriersPropSets = new NAServerPropertySets();
            barriersPropSets.PropertySets = prosetBarriers;

            routeParams.Stops = StopsPropSets;
            routeParams.Barriers=barriersPropSets;
            NAServerSolverResults solverResults;
            solverParams = routeParams as NAServerSolverParams;
            //       Response.Write("<script language='javascript' type='text/javascript'>alert(' HELL')</script>");
            try
            {
                //进行分析
                solverResults = naServerProxy.Solve(solverParams);
                NAServerRouteResults RouteSolverResults = solverResults as NAServerRouteResults;
                //显示分析结果
                ShowResults(solverResults);
                //释放naServerProxy
                naServerProxy.Dispose();
            }
            catch (Exception e)
            {
                //释放naServerProxy
                naServerProxy.Dispose();
                //   Response.Write("An error has occurred Mesage=" + e.Message);
                //    Session["error"] = e.Message;
                //   Response.Write("<script language='javascript' type='text/javascript'>alert('" + e.Message +"' )</script>");

            }

        }
    }

    public void ShowResults(NAServerSolverResults solverResults)
    {
        NAServerRouteResults RouteSolverResults = solverResults as NAServerRouteResults;
        //开始点终点路径显示
        AddRoutesAndStops(RouteSolverResults);
        //路径区域全屏显示
        PolylineN polylineN = RouteSolverResults.RouteGeometries[0] as PolylineN;
        EnvelopeN envelopeN = polylineN.Extent as EnvelopeN;
        double width = envelopeN.XMax - envelopeN.XMin;
        double height = envelopeN.YMax - envelopeN.YMin;
        double fivePercent;
        if (width > height)
        {
            fivePercent = width * .05;
        }
        else
        {
            fivePercent = height * .05;
        }
        envelopeN.XMin = envelopeN.XMin - fivePercent;
        envelopeN.YMin = envelopeN.YMin - fivePercent;
        envelopeN.XMax = envelopeN.XMax + fivePercent;
        envelopeN.YMax = envelopeN.YMax + fivePercent;
        Map1.Extent = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ToAdfEnvelope(envelopeN);
        Map1.Refresh();
    }

    private void AddRoutesAndStops(NAServerRouteResults rResult)
    {
        //分析结果路径
        Polyline[] lines = rResult.RouteGeometries;
        RecordSet stops = rResult.Stops;
        //获取Buffer的MapFunctionality
       
        ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality mapFunct = (ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality)Map1.GetFunctionality("pathLayer");
        //获取Buffer的MapResource
        ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapResource gResource = (ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapResource)mapFunct.Resource;

        //把buffer结果范围进行显示
        ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer glayer = null;
        //查找ElementGraphicsLayer在Buffer中
        foreach (System.Data.DataTable dt in gResource.Graphics.Tables)
        {
            if (dt is ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)
            {
                glayer = (ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)dt;
                break;
            }

        }
        //如果Buffer中没有ElementGraphicsLayer就新增加一个ElementGraphicsLayer
        if (glayer == null)
        {
            glayer = new ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer();
            gResource.Graphics.Tables.Add(glayer);
        }
        //清除ElementGraphicsLayer中的内容
        glayer.Clear();
        ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom = (ESRI.ArcGIS.ADF.Web.Geometry.Geometry)ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ToAdfPolyline((PolylineN)lines[0]);
        //设置点显示
        ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement ge = new ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement(geom, System.Drawing.Color.Red);
        //设置透明度
        ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleLineSymbol sls = new ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleLineSymbol();
        sls.Width = 3;
        sls.Color = System.Drawing.Color.Red;
        sls.Type = ESRI.ArcGIS.ADF.Web.Display.Symbol.LineType.Dash;
        sls.Transparency = 50;
        ge.Symbol = sls;
        // ge.Symbol.Transparency = 50;
        //添加到Buffer中进行显示
        glayer.Add(ge);

        Record[] stopRecords = stops.Records;
        int stopCount = stopRecords.Length;
        for (int iStop = 0; iStop < stopCount; iStop++)
        {
            ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom2 = (ESRI.ArcGIS.ADF.Web.Geometry.Geometry)ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ToAdfPoint(stopRecords[iStop].Values[1] as PointN);
            //设置点显示
            ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement ge2 = new ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement(geom2, System.Drawing.Color.Red);
            //设置透明度

            ge2.Symbol.Transparency = 50;

            //添加到Buffer中进行显示
            glayer.Add(ge2);
        }
    }

    //按名称查找点
    private PointN QueryPoint(string name)
    {
        PointN point = new PointN();
        IEnumerable func_enum = Map1.GetFunctionalities();
        DataTable dt = null;
        foreach (ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality gisfunctionality in func_enum)
        {
            if (gisfunctionality.Resource.Name == "NDMetro")
            {
                bool supported = false;
                ESRI.ArcGIS.ADF.Web.DataSources.IGISResource gisresource = gisfunctionality.Resource;
                supported = gisresource.SupportsFunctionality(typeof(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality));

                if (supported)
                {
                    ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality qfunc = (ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality)gisresource.CreateFunctionality(typeof(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality), null);
                    string[] lids;
                    string[] lnames;
                    qfunc.GetQueryableLayers(null, out lids, out lnames);

                    //进行单层分析
                    //取得想要做路径分析的图层的图层
                    int layer_index = 0;
                    for (int i = 0; i < lnames.Length; i++)
                    {
                        if (lnames[i] == sourceLayername)
                        {
                            //if (lids[i] is string)
                            //{
                            //    if (!int.TryParse((string)lids[i], out layer_index))
                            //    {
                            //        layer_index = i;
                            //    }
                            //}
                            //else
                            layer_index = i;
                            break;
                        }
                    }
                    ESRI.ArcGIS.ADF.Web.SpatialFilter spatialfilter = new ESRI.ArcGIS.ADF.Web.SpatialFilter();
                    spatialfilter.ReturnADFGeometries = false;
                    spatialfilter.MaxRecords = 1;
                    spatialfilter.WhereClause = "NAME LIKE  '%" +name + "%'";
                    spatialfilter.Geometry = Map1.GetFullExtent();
                    //对所有的图层进行分析
                    for (int i = 0; i < lnames.Length; i++)
                    {
                        dt = qfunc.Query(null, lids[i], spatialfilter);
                        if (dt.Rows.Count!=0)
                        {
                            break;
                        }
                    }
                }
            }
        }

        DataRowCollection drs = dt.Rows;

        int shpind = -1;
        for (int i = 0; i < dt.Columns.Count; i++)
        {
            if (dt.Columns[i].DataType == typeof(ESRI.ArcGIS.ADF.Web.Geometry.Geometry))
            {
                shpind = i;
                break;
            }
        }
        foreach (DataRow dr in drs)
        {
            ESRI.ArcGIS.ADF.Web.Geometry.Point geom = (ESRI.ArcGIS.ADF.Web.Geometry.Point)dr[shpind];
            //ESRI.ArcGIS.ADF.Web.Geometry.PointCollection points = geom.Points;
            point.X = geom.X;
            point.Y = geom.Y;

        }
        return point;
    }
    private PropertySet GeocodeAddress()
    {
        PropertySet propSet = new PropertySet() ;
       // // PointN pnt=QueryPoint(name);
       // setBarriers setbar = new setBarriers();
       // PointN pnt = setbar.getPoint();
       // PropertySetProperty[] propSetProperty_new = new PropertySetProperty[1];
       // propSet.PropertyArray[0] = CreatePropertySetProperty("Shape", pnt);
       //// propSet.PropertyArray[1] = CreatePropertySetProperty("Name", "barriers");
       // propSet.PropertyArray = propSetProperty_new;

        return propSet;
    }
    private PropertySetProperty CreatePropertySetProperty(string key, object value)
    {
        PropertySetProperty propSetProperty = new PropertySetProperty();
        propSetProperty.Key = key;
        propSetProperty.Value = value;
        return propSetProperty;
    }
}
点击获取障碍点

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections;

using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools;
using ESRI.ArcGIS.ADF.ArcGISServer;
using ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer;
using ESRI.ArcGIS.ADF.Web.DataSources;
/// <summary>
/// setBarriers 的摘要说明
/// </summary>
public class setBarriers2 : IMapServerToolAction
{

    //static double x = 0;
    //static double y = 0;

    ESRI.ArcGIS.ADF.Web.Geometry.Point adfPoint = new ESRI.ArcGIS.ADF.Web.Geometry.Point();
    //  ArrayList pnt = new ArrayList();
    //用于存储在地图上设置的临时障碍点
    static PointN[] pnt = new PointN[20];
    //临时障碍点的索引
    int i = 0;
    public setBarriers2()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }

    public PointN[] getPoint()
    {

        //PointN pnt = new PointN();
        //pnt.X = x;
        //pnt.Y = y;
        return pnt;
    }
    public void ServerAction(ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs args)
    {

        //获取map控件
        ESRI.ArcGIS.ADF.Web.UI.WebControls.Map adfMap = (ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)args.Control;
        ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality IFun = (ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality)adfMap.GetFunctionality(1);

        ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality adfGraphicsMapFunctionality = null;
        if (args is PointEventArgs)
        {
            //转成点
            PointEventArgs pointEventArgs = (PointEventArgs)args;
            //屏幕点

            System.Drawing.Point screenPoint = pointEventArgs.ScreenPoint;
            //  adfPoint = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(screenPoint.X, screenPoint.Y, adfMap.Extent, IFun.DisplaySettings.ImageDescriptor.Width, IFun.DisplaySettings.ImageDescriptor.Height);
            adfPoint = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(screenPoint.X, screenPoint.Y, adfMap.Extent, (int)adfMap.Width.Value, (int)adfMap.Height.Value);

            pnt[i] = new PointN();
            pnt[i].X = adfPoint.X;
            pnt[i].Y = adfPoint.Y;
            //x = adfPoint.X;
            //y = adfPoint.Y;

            //MapFunctionality
            foreach (IMapFunctionality mapFunctionality in adfMap.GetFunctionalities())
            {
                //当Resource为ADFGraphicsResource,ADFGraphicsResource为GraphicsLayer，保存在内存中用显示临时图层
                if (mapFunctionality.Resource.Name == "pathLayer")
                {
                    adfGraphicsMapFunctionality = (ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality)mapFunctionality;
                    break;
                }
            }
            //从adfGraphicsMapFunctionality获取名为Element Graphics的DataTable
            //ElementGraphicsLayers通常用来显示图形元素，例如显示Map中被选择的图形元素。图层并不用来存储属性，而可以存储不同的图形类型。
            ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer elementGraphicsLayer = null;
            foreach (System.Data.DataTable dataTable in adfGraphicsMapFunctionality.GraphicsDataSet.Tables)
            {
                if (dataTable.TableName == "Element Graphics")
                {
                    elementGraphicsLayer = (ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)dataTable;
                    break;
                }
            }
            //如果名为Element Graphics的DataTable为null，就新建Element Graphics DataTable添加到adfGraphicsMapFunctionality.GraphicsDataSet中,同时刷新Toc1显示
            if (elementGraphicsLayer == null)
            {
                elementGraphicsLayer = new ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer();
                elementGraphicsLayer.TableName = "Element Graphics";
                adfGraphicsMapFunctionality.GraphicsDataSet.Tables.Add(elementGraphicsLayer);

            }
            //定义标点样式
            ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleMarkerSymbol simpleMarkerSymol = new ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleMarkerSymbol();
            //   simpleMarkerSymol.Type = ESRI.ArcGIS.ADF.Web.Display.Symbol.MarkerSymbolType.Star;
            simpleMarkerSymol.Color = System.Drawing.Color.Green;
            simpleMarkerSymol.Width = 10;

            //定义标点选中样式
            ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleMarkerSymbol simpleSelectedMarkerSymbol = new ESRI.ArcGIS.ADF.Web.Display.Symbol.SimpleMarkerSymbol();
            simpleSelectedMarkerSymbol.Color = System.Drawing.Color.Yellow;
            simpleSelectedMarkerSymbol.Width = 12;
            simpleSelectedMarkerSymbol.Type = ESRI.ArcGIS.ADF.Web.Display.Symbol.MarkerSymbolType.Star;
            ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement graphicElement = new ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement(adfPoint, simpleMarkerSymol, simpleSelectedMarkerSymbol);
            //把标点添加到elementGraphicsLayer
            elementGraphicsLayer.Add(graphicElement);
        }
        //刷新显示
        if (adfMap.ImageBlendingMode == ImageBlendingMode.WebTier)
        {
            //整个地图控件刷新
            adfMap.Refresh();
        }
        else
        {
            //只刷新部分Resource
            adfMap.RefreshResource(adfGraphicsMapFunctionality.Resource.Name);
        }

          i++;
    }
}