/// <summary>
/// set origin flag for traceFlowSolver
/// </summary>
/// <param name="traceFlowSolver">object ITraceFlowSolverGEN</param>
protected void SetFlagsOrigin(ref ITraceFlowSolverGEN traceFlowSolver)
{
if (this.edgeFlags.Length > 0)
{
traceFlowSolver.PutEdgeOrigins(ref this.edgeFlags);
}
if (this.junctionFlags.Length > 0)
{
traceFlowSolver.PutJunctionOrigins(ref this.junctionFlags);
}
}
/// <summary>
/// Add two junction flags to TraceSolver
/// </summary>
/// <param name="traceFlowSolver">object TraceSolver</param>
/// <param name="netflag1">1° junction flag</param>
/// <param name="netflag2">2° junction flag</param>
internal static void AddTwoJunctionFlagsToTraceSolver(ref ITraceFlowSolverGEN traceFlowSolver, INetFlag netflag1, INetFlag netflag2)
{
IJunctionFlag junctionflag1 = netflag1 as IJunctionFlag;
IJunctionFlag junctionflag2 = netflag2 as IJunctionFlag;
if (junctionflag1 != null && junctionflag2 != null)
{
IJunctionFlag[] junctionflags = new IJunctionFlag[2];
junctionflags[0] = junctionflag1 as IJunctionFlag;
junctionflags[1] = junctionflag2 as IJunctionFlag;
traceFlowSolver.PutJunctionOrigins(ref junctionflags);
}
}
private void ResultBtn_Click(object sender, EventArgs e)
{
try
{
#region 设置管点分析分析条件
//为追踪任务分析器设置管点
IJunctionFlag[] arrayJunctionFlag = new IJunctionFlag[listJunctionsFlag.Count];
for (int i = 0; i < arrayJunctionFlag.Length; i++)
{
arrayJunctionFlag[i] = listJunctionsFlag[i];
}
traceFlowsolverGen.PutJunctionOrigins(ref arrayJunctionFlag);
//为追踪任务分析器设置管线
IEdgeFlag[] arrayEdgeFlag = new IEdgeFlag[listEdgeFlag.Count];
for (int i = 0; i < arrayEdgeFlag.Length; i++)
{
traceFlowsolverGen.PutEdgeOrigins(ref arrayEdgeFlag);
}
//为管点分析器设置障碍点
INetElementBarriersGEN netElementBarriersGEN = new NetElementBarriersClass();
netElementBarriersGEN.Network = m_GeometryNetwork.Network;
if (JunctionBarrierEIDs.Count > 0)
{
int[] junctionBarrierEIDs = new int[JunctionBarrierEIDs.Count];
for (int j = 0; j < junctionBarrierEIDs.Length; j++)
{
junctionBarrierEIDs[j] = JunctionBarrierEIDs[j];
}
netElementBarriersGEN.ElementType = esriElementType.esriETJunction;
netElementBarriersGEN.SetBarriersByEID(ref junctionBarrierEIDs);
netsolver.set_ElementBarriers(esriElementType.esriETJunction, netElementBarriersGEN as INetElementBarriers);
}
else //否则将管点设置为空
{
netsolver.set_ElementBarriers(esriElementType.esriETJunction, null);
}
//未管点分析器设置障碍线
if (EdgeBarrierEIDs.Count > 0)
{
int[] edgeBarrierEIDs = new int[EdgeBarrierEIDs.Count];
for (int j = 0; j < EdgeBarrierEIDs.Count; j++)
{
edgeBarrierEIDs[j] = EdgeBarrierEIDs[j];
}
netElementBarriersGEN.ElementType = esriElementType.esriETEdge;
netElementBarriersGEN.SetBarriersByEID(ref edgeBarrierEIDs);
netsolver.set_ElementBarriers(esriElementType.esriETEdge, netElementBarriersGEN as INetElementBarriers);
}
else //否则将管线设置为空
{
netsolver.set_ElementBarriers(esriElementType.esriETEdge, null);
}
#endregion
//定义相关变量
IEnumNetEID junctionEIDs = new EnumNetEIDArrayClass();
IEnumNetEID edgeEIDs = new EnumNetEIDArrayClass();
object[] segmentsCosts = null;
object totalCost = null;
int Counts = -1;
#region 各种几何网络分析的结果
switch (this.AnalysisCategoryCmbx.SelectedIndex)
{
//查询共同祖先
case 0:
traceFlowsolverGen.FindCommonAncestors(esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs);
break;
//查找相连接的网络要素
case 1:
traceFlowsolverGen.FindFlowElements(esriFlowMethod.esriFMConnected, esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs);
break;
//查找网络中连接的环
case 2:
traceFlowsolverGen.FindCircuits(esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs);
break;
//查找未连接的网络要素
case 3:
traceFlowsolverGen.FindFlowUnreachedElements(esriFlowMethod.esriFMConnected, esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs);
break;
//查找上游路径，同时跟踪耗费
case 4:
Counts = GetSegmentCounts();
segmentsCosts = new object[Counts];
traceFlowsolverGen.FindSource(esriFlowMethod.esriFMUpstream, esriShortestPathObjFn.esriSPObjFnMinSum, out junctionEIDs, out edgeEIDs, Counts, ref segmentsCosts);
break;
//获取网络路径，追踪网络耗费。count比所有的的标识总数少一个，但如果管点和管线标识同时存在的时候该功能不可用
case 5:
if (listEdgeFlag.Count > 0 && listJunctionsFlag.Count > 0)
{
break;
}
else if (listJunctionsFlag.Count > 0)
{
Counts = listJunctionsFlag.Count - 1;
}
else if (listEdgeFlag.Count > 0)
{
Counts = listEdgeFlag.Count - 1;
}
else
{
break;
}
segmentsCosts = new object[Counts];
traceFlowsolverGen.FindPath(esriFlowMethod.esriFMConnected, esriShortestPathObjFn.esriSPObjFnMinSum, out junctionEIDs, out edgeEIDs, Counts, ref segmentsCosts);
break;
//下游追踪
case 6:
traceFlowsolverGen.FindFlowElements(esriFlowMethod.esriFMDownstream, esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs);
break;
//查找上游路径消耗，同时获取网络追踪的耗费
case 7:
totalCost = new object();
traceFlowsolverGen.FindAccumulation(esriFlowMethod.esriFMUpstream, esriFlowElements.esriFEJunctionsAndEdges, out junctionEIDs, out edgeEIDs, out totalCost);
break;
//上游追踪
case 8:
Counts = GetSegmentCounts();
segmentsCosts = new object[Counts];
traceFlowsolverGen.FindSource(esriFlowMethod.esriFMUpstream, esriShortestPathObjFn.esriSPObjFnMinSum, out junctionEIDs, out edgeEIDs, Counts, ref segmentsCosts);
break;
default:
break;
}
#endregion
//绘制结果图像
DrawTraceRsult(junctionEIDs, edgeEIDs);
this.Mapcontrol.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, this.Mapcontrol.ActiveView.Extent);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
}
private void setUpstreamJunctionFlag(IPoint pPoint)
{
try
{
if (pGeometricNetwork == null)
{
openGeoNetwork();
}
IEnumNetEID m_ipEnumNetEID_Junctions, m_ipEnumNetEID_Edges; //用来存放搜索结果的Junctions和Edges
ipNetwork = pGeometricNetwork.Network;
/*
* IMarkerSymbol pMarkerSym=SpatialHelperFunction.FindMarkerSym("Civic.ServerStyle", "Default", "Pin Flag Square");
* if(pMarkerSym==null){
* MessageBox.Show("无法取得Symbol");
* return;
* }
*
* IRgbColor pRGBColor=Utility.getRGBColor(255, 0, 0);
*
* pMarkerSym.Color=pRGBColor;
* pMarkerSym.Size=26;
* pMarkerSym.XOffset=10;
* pMarkerSym.YOffset=10;
* //无法使用 IFlagDisplay，只有 INetworkAnalysisExtFlags才可以使用IFlagDisplay
*
* Utility.drawPointToGraphicLayer(m_HookHelper.ActiveView,pPoint,pMarkerSym);
*/
int pJunctionID;
IPoint pLocation;
int iUserClassID, iUserID, iUserSubID;
INetElements ipNetElements;
ipNetElements = ipNetwork as INetElements; //得到network中所有的Elements
mPointToEID = new PointToEIDClass();
//设置它的GeometricNetwork
mPointToEID.GeometricNetwork = pGeometricNetwork;
//设置容限值
mPointToEID.SnapTolerance = m_HookHelper.ActiveView.Extent.Envelope.Width / 100;
//设置Source Map
mPointToEID.SourceMap = m_HookHelper.ActiveView.FocusMap;
//得到最近的JunctionID
mPointToEID.GetNearestJunction(pPoint, out pJunctionID, out pLocation);
//Each element in a logical network has a unique element ID (EID).
ipNetElements.QueryIDs(pJunctionID, esriElementType.esriETJunction, out iUserClassID, out iUserID, out iUserSubID);
//得到所在Junction的ID
//无法使用 IFlagDisplay，只有 INetworkAnalysisExtFlags才可以使用IFlagDisplay
INetFlag ipNetFlag = new JunctionFlagClass();
ipNetFlag.UserClassID = iUserClassID;
ipNetFlag.UserID = iUserID;
ipNetFlag.UserSubID = iUserSubID;
IJunctionFlag [] pArrayJFlag = new IJunctionFlag[1];
pArrayJFlag[0] = ipNetFlag as IJunctionFlag;
ipTraceFlowSolver = new TraceFlowSolverClass() as ITraceFlowSolverGEN;
//get the inetsolver interface
ipNetSolver = ipTraceFlowSolver as INetSolver;
ipNetSolver.SourceNetwork = pGeometricNetwork.Network;
ipTraceFlowSolver.PutJunctionOrigins(ref pArrayJFlag);
ipTraceFlowSolver.TraceIndeterminateFlow = false;
object[] totalCost = new object[1];
//ipTraceFlowSolver.FindSource(esriFlowMethod.esriFMUpstream,esriShortestPathObjFn.esriSPObjFnMinSum,out m_ipEnumNetEID_Junctions,out m_ipEnumNetEID_Edges,1,ref totalCost);
ipTraceFlowSolver.FindFlowElements(esriFlowMethod.esriFMUpstream,
esriFlowElements.esriFEEdges,
out m_ipEnumNetEID_Junctions,
out m_ipEnumNetEID_Edges);
SpatialHelperFunction.pathToPolyline(pGeometricNetwork, m_HookHelper.ActiveView, m_ipEnumNetEID_Edges);
//ipTraceFlowSolver.FindFlowEndElements(esriFlowMethod.esriFMUpstream,esriFlowElements.esriFEJunctionsAndEdges,out m_ipEnumNetEID_Junctions,out m_ipEnumNetEID_Edges);
m_HookHelper.ActiveView.Refresh();
}
catch (Exception e) {
MessageBox.Show(e.Message);
}
}
private void setUpstreamJunctionFlag(IPoint pPoint)
{
try
{
if(pGeometricNetwork==null){
openGeoNetwork();
}
IEnumNetEID m_ipEnumNetEID_Junctions,m_ipEnumNetEID_Edges;//����������������Junctions��Edges
ipNetwork=pGeometricNetwork.Network;
/*
IMarkerSymbol pMarkerSym=SpatialHelperFunction.FindMarkerSym("Civic.ServerStyle", "Default", "Pin Flag Square");
if(pMarkerSym==null){
MessageBox.Show("��ȡ��Symbol");
return;
}
IRgbColor pRGBColor=Utility.getRGBColor(255, 0, 0);
pMarkerSym.Color=pRGBColor;
pMarkerSym.Size=26;
pMarkerSym.XOffset=10;
pMarkerSym.YOffset=10;
//��ʹ�� IFlagDisplay��ֻ�� INetworkAnalysisExtFlags�ſ���ʹ��IFlagDisplay
Utility.drawPointToGraphicLayer(m_HookHelper.ActiveView,pPoint,pMarkerSym);
*/
int pJunctionID;
IPoint pLocation;
int iUserClassID,iUserID,iUserSubID;
INetElements ipNetElements;
ipNetElements = ipNetwork as INetElements; //�õ�network�����е�Elements
mPointToEID=new PointToEIDClass();
//��������GeometricNetwork
mPointToEID.GeometricNetwork=pGeometricNetwork;
//��������ֵ
mPointToEID.SnapTolerance=m_HookHelper.ActiveView.Extent.Envelope.Width/100;
//����Source Map
mPointToEID.SourceMap=m_HookHelper.ActiveView.FocusMap;
//�õ������JunctionID
mPointToEID.GetNearestJunction(pPoint,out pJunctionID,out pLocation);
//Each element in a logical network has a unique element ID (EID).
ipNetElements.QueryIDs(pJunctionID,esriElementType.esriETJunction,out iUserClassID,out iUserID,out iUserSubID);
//�õ�����Junction��ID
//��ʹ�� IFlagDisplay��ֻ�� INetworkAnalysisExtFlags�ſ���ʹ��IFlagDisplay
INetFlag ipNetFlag=new JunctionFlagClass();
ipNetFlag.UserClassID=iUserClassID;
ipNetFlag.UserID=iUserID;
ipNetFlag.UserSubID=iUserSubID;
IJunctionFlag [] pArrayJFlag=new IJunctionFlag[1];
pArrayJFlag[0]=ipNetFlag as IJunctionFlag;
ipTraceFlowSolver=new TraceFlowSolverClass() as ITraceFlowSolverGEN;
//get the inetsolver interface
ipNetSolver=ipTraceFlowSolver as INetSolver;
ipNetSolver.SourceNetwork=pGeometricNetwork.Network;
ipTraceFlowSolver.PutJunctionOrigins(ref pArrayJFlag);
ipTraceFlowSolver.TraceIndeterminateFlow=false;
object[] totalCost=new object[1];
//ipTraceFlowSolver.FindSource(esriFlowMethod.esriFMUpstream,esriShortestPathObjFn.esriSPObjFnMinSum,out m_ipEnumNetEID_Junctions,out m_ipEnumNetEID_Edges,1,ref totalCost);
ipTraceFlowSolver.FindFlowElements(esriFlowMethod.esriFMUpstream,
esriFlowElements.esriFEEdges,
out m_ipEnumNetEID_Junctions,
out m_ipEnumNetEID_Edges);
SpatialHelperFunction.pathToPolyline(pGeometricNetwork,m_HookHelper.ActiveView,m_ipEnumNetEID_Edges);
//ipTraceFlowSolver.FindFlowEndElements(esriFlowMethod.esriFMUpstream,esriFlowElements.esriFEJunctionsAndEdges,out m_ipEnumNetEID_Junctions,out m_ipEnumNetEID_Edges);
m_HookHelper.ActiveView.Refresh();
}
catch(Exception e){
MessageBox.Show(e.Message);
}
}
