public void SolvePath(string WeightName)
{
int num;
ITraceFlowSolver solver = (ITraceFlowSolver) new TraceFlowSolverClass();
INetSolver solver2 = (INetSolver)solver;
INetwork network = this.m_ipGeometricNetwork.Network;
solver2.SourceNetwork = network;
INetElements elements = (INetElements)network;
IEdgeFlag[] edgeOrigins = new IEdgeFlag[this.m_ipPoints.PointCount + 1];
for (num = 0; num < this.m_ipPoints.PointCount; num++)
{
IPoint point;
int num2;
double num3;
int num4;
int num5;
int num6;
INetFlag flag = new EdgeFlagClass();
IPoint inputPoint = this.m_ipPoints.get_Point(num);
this.m_ipPointToEID.GetNearestEdge(inputPoint, out num2, out point, out num3);
elements.QueryIDs(num2, esriElementType.esriETEdge, out num4, out num5, out num6);
flag.UserClassID = num4;
flag.UserID = num5;
flag.UserSubID = num6;
edgeOrigins[num] = (IEdgeFlag)flag;
}
(solver as ITraceFlowSolverGEN).PutEdgeOrigins(ref edgeOrigins);
try
{
INetSolverWeights weights = (INetSolverWeights)solver;
weights.JunctionWeight = this.JunctionWeight;
weights.FromToEdgeWeight = this.FromToEdgeWeight;
weights.ToFromEdgeWeight = this.ToFromEdgeWeight;
}
catch
{
}
object[] segmentCosts = new object[this.m_ipPoints.PointCount];
(solver as ITraceFlowSolverGEN).FindPath(esriFlowMethod.esriFMConnected,
esriShortestPathObjFn.esriSPObjFnMinSum, out this.m_ipEnumNetEID_Junctions,
out this.m_ipEnumNetEID_Edges, this.m_ipPoints.PointCount - 1, ref segmentCosts);
this.m_dblPathCost = 0.0;
for (num = 0; num < segmentCosts.Length; num++)
{
this.m_dblPathCost += (double)segmentCosts[num];
}
this.m_ipPolyline = null;
}
private void btnStartAnalysis_Click(object obj, EventArgs eventArgs)
{
if (this._nearestEdgeInfo.GeometricNetwork != null)
{
this._networkInfo.arrayList_1.Clear();
this._networkInfo.arrayList_0.Clear();
INetElements netElements = (INetElements)this._nearestEdgeInfo.GeometricNetwork.Network;
ITraceFlowSolver traceFlowSolver = this.GetTraceFlowSolver();
IEnumNetEID junctionEIDs;
IEnumNetEID edgeEIDs;
traceFlowSolver.FindFlowEndElements(this.GetFindMethod(), esriFlowElements.esriFEJunctions,
out junctionEIDs, out edgeEIDs);
int num;
int num2;
int num3;
for (int i = junctionEIDs.Next(); i > 0; i = junctionEIDs.Next())
{
netElements.QueryIDs(i, (esriElementType)1, out num, out num2, out num3);
IFeature feature = this._networkInfo.LayerPoint.FeatureClass.GetFeature(num2);
int num4 = feature.Fields.FindField(this.label1.Text);
if (num4 == -1)
{
return;
}
if (this.listFieldValues.Items.IndexOf(feature.get_Value(num4)) != -1)
{
this._networkInfo.arrayList_0.Add(feature);
}
}
traceFlowSolver.FindFlowElements(this.GetFindMethod(), esriFlowElements.esriFEEdges, out junctionEIDs,
out edgeEIDs);
for (int i = edgeEIDs.Next(); i > 0; i = edgeEIDs.Next())
{
netElements.QueryIDs(i, esriElementType.esriETEdge, out num, out num2, out num3);
IFeature feature2 = this._networkInfo.LayerLine.FeatureClass.GetFeature(num2);
this._networkInfo.arrayList_1.Add(feature2);
}
m_iApp.FocusMap.ClearSelection();
this.CreateResultElements();
this.CreateBlockElements();
this.FillResultToTreeView();
}
}
public ITraceFlowSolver GetTraceFlowSolver()
{
INetElements netElements = (INetElements)this._nearestEdgeInfo.GeometricNetwork.Network;
int userClassID = 0;
int userID = 0;
int userSubID = 0;
netElements.QueryIDs(this._nearestEdgeInfo.EdgeID, esriElementType.esriETEdge, out userClassID, out userID,
out userSubID);
IEdgeFlag edgeFlag = new EdgeFlag();
((INetFlag)edgeFlag).UserClassID = (userClassID);
((INetFlag)edgeFlag).UserID = (userID);
((INetFlag)edgeFlag).UserSubID = (userSubID);
ITraceFlowSolver traceFlowSolver = (ITraceFlowSolver) new TraceFlowSolver();
((INetSolver)traceFlowSolver).SourceNetwork = (this._nearestEdgeInfo.GeometricNetwork.Network);
((INetSolver)traceFlowSolver).SelectionSetBarriers = (this.GetSelectionSetBarries());
traceFlowSolver.PutEdgeOrigins(1, ref edgeFlag);
return(traceFlowSolver);
}
private static ITraceFlowSolver CreateTraceFlowSolver()
{
int num;
INetFlag netFlag;
ITraceFlowSolver solver = (ITraceFlowSolver) new TraceFlowSolverClass();
INetSolver solver2 = (INetSolver)solver;
INetwork network = m_pAnalystGN.Network;
solver2.SourceNetwork = network;
INetElements elements = (INetElements)network;
if (m_JunFlags.Count > 0)
{
IJunctionFlag[] junctionOrigins = new IJunctionFlag[m_JunFlags.Count];
for (num = 0; num < m_JunFlags.Count; num++)
{
netFlag = (m_JunFlags[num] as NetFlagWrap).NetFlag;
junctionOrigins[num] = (IJunctionFlag)netFlag;
}
(solver as ITraceFlowSolverGEN).PutJunctionOrigins(ref junctionOrigins);
}
if (m_EdgeFlags.Count > 0)
{
IEdgeFlag[] edgeOrigins = new IEdgeFlag[m_EdgeFlags.Count];
for (num = 0; num < m_EdgeFlags.Count; num++)
{
netFlag = (m_EdgeFlags[num] as NetFlagWrap).NetFlag;
edgeOrigins[num] = (IEdgeFlag)netFlag;
}
(solver as ITraceFlowSolverGEN).PutEdgeOrigins(ref edgeOrigins);
}
INetSolverWeightsGEN sgen = (INetSolverWeightsGEN)solver;
if (JunctionWeight != null)
{
sgen.JunctionWeight = JunctionWeight;
}
if (FromToEdgeWeight != null)
{
sgen.JunctionWeight = FromToEdgeWeight;
}
if (ToFromEdgeWeight != null)
{
sgen.JunctionWeight = ToFromEdgeWeight;
}
if (JunctionFilterWeight != null)
{
sgen.JunctionFilterWeight = JunctionFilterWeight;
}
if (FromToEdgeFilterWeight != null)
{
sgen.FromToEdgeFilterWeight = FromToEdgeFilterWeight;
}
if (ToFromEdgeFilterWeight != null)
{
sgen.ToFromEdgeFilterWeight = ToFromEdgeFilterWeight;
}
if (JuncfromValues != null)
{
sgen.SetFilterRanges(esriElementType.esriETJunction, ref JuncfromValues, ref JunctoValues);
sgen.SetFilterType(esriElementType.esriETJunction, esriWeightFilterType.esriWFRange,
ApplyJuncFilterWeight);
}
else
{
sgen.SetFilterType(esriElementType.esriETJunction, esriWeightFilterType.esriWFNone,
ApplyJuncFilterWeight);
}
if (EdgefromValues != null)
{
sgen.SetFilterRanges(esriElementType.esriETEdge, ref EdgefromValues, ref EdgetoValues);
sgen.SetFilterType(esriElementType.esriETEdge, esriWeightFilterType.esriWFRange, ApplyJuncFilterWeight);
}
else
{
sgen.SetFilterType(esriElementType.esriETEdge, esriWeightFilterType.esriWFNone, ApplyEdgeFilterWeight);
}
INetElementBarriers netElementBarriers = GetNetElementBarriers(esriElementType.esriETJunction);
if (netElementBarriers != null)
{
(solver as INetSolver).set_ElementBarriers(esriElementType.esriETJunction, netElementBarriers);
}
netElementBarriers = GetNetElementBarriers(esriElementType.esriETEdge);
if (netElementBarriers != null)
{
(solver as INetSolver).set_ElementBarriers(esriElementType.esriETEdge, netElementBarriers);
}
return(solver);
}
private bool slovePath()
{
try
{
double costLength = 0;
m_ipPointToEID = new PointToEIDClass();
m_ipPointToEID.SourceMap = m_HookHelper.ActiveView.FocusMap;
m_ipPointToEID.GeometricNetwork = m_ipGeometricNetwork;
m_ipPointToEID.SnapTolerance = m_HookHelper.ActiveView.Extent.Envelope.Width / 100;
INetwork ipNetwork;
INetElements ipNetElements;
INetFlag ipNetFlag;
//IEdgeFlag ipEdgeFlag;
IEdgeFlag [] EdgeFlagArray;
int pEdgeID;
IPoint pLocation;
double dblEdgePercent;
int iUserClassID, iUserID, iUserSubID;
// look up the EID for the current point (this will populate intEdgeID and dblEdgePercent)
ipTraceFlowSolver = new TraceFlowSolverClass() as ITraceFlowSolver;
//get the inetsolver interface
ipNetSolver = ipTraceFlowSolver as INetSolver;
ipNetwork = m_ipGeometricNetwork.Network;
//set the net solver's source network
ipNetSolver.SourceNetwork = ipNetwork;
//make edge flags from the points
//the INetElements interface is needed to get UserID, UserClassID,
//and UserSubID from an element id
EdgeFlagArray = new IEdgeFlag[mPointArray.PointCount];
ipNetElements = ipNetwork as INetElements;
for (int ii = 0; ii < mPointArray.PointCount; ii++)
{
ipNetFlag = new EdgeFlagClass();
point = mPointArray.get_Point(ii);
m_ipPointToEID.GetNearestEdge(point, out pEdgeID, out pLocation, out dblEdgePercent);
//iUserClassID是featureclass ID,userID是objectID,userSubID
ipNetElements.QueryIDs(pEdgeID, esriElementType.esriETEdge, out iUserClassID, out iUserID, out iUserSubID);
ipNetFlag.UserClassID = iUserClassID;
ipNetFlag.UserID = iUserID;
ipNetFlag.UserSubID = iUserSubID;
EdgeFlagArray[ii] = ipNetFlag as IEdgeFlag;
//MessageBox.Show(iUserID.ToString());
}
//添加到TraceFlowSolver中
ITraceFlowSolverGEN pTFSolverGEN = ipTraceFlowSolver as ITraceFlowSolverGEN;
pTFSolverGEN.PutEdgeOrigins(ref EdgeFlagArray);
//get the INetSchema interface
INetSchema ipNetSchema = ipNetwork as INetSchema;
INetWeight ipNetWeight = ipNetSchema.get_Weight(0);
//MessageBox.Show(ipNetWeight.WeightName);
INetSolverWeights ipNetSolverWeights = ipTraceFlowSolver as INetSolverWeights;
//来回使用同一个权重
ipNetSolverWeights.FromToEdgeWeight = ipNetWeight;
ipNetSolverWeights.ToFromEdgeWeight = ipNetWeight;
object [] totalCost = new object[mPointArray.PointCount - 1];
pTFSolverGEN.FindPath(esriFlowMethod.esriFMConnected,
esriShortestPathObjFn.esriSPObjFnMinSum,
out m_ipEnumNetEID_Junctions,
out m_ipEnumNetEID_Edges,
mPointArray.PointCount - 1, ref totalCost);
//MessageBox.Show(totalCost[0].ToString());
for (int ii = 0; ii < totalCost.Length; ii++)
{
costLength += (double)(totalCost[ii]);
}
pStatusBar.Panels[0].Text = "水管长度:" + costLength.ToString();
return(true);
}
catch (Exception e) {
MessageBox.Show(e.Message);
return(false);
}
}
private bool slovePath()
{
try
{
double costLength=0;
m_ipPointToEID = new PointToEIDClass();
m_ipPointToEID.SourceMap=m_HookHelper.ActiveView.FocusMap;
m_ipPointToEID.GeometricNetwork = m_ipGeometricNetwork;
m_ipPointToEID.SnapTolerance=m_HookHelper.ActiveView.Extent.Envelope.Width/100;
INetwork ipNetwork;
INetElements ipNetElements;
INetFlag ipNetFlag;
//IEdgeFlag ipEdgeFlag;
IEdgeFlag [] EdgeFlagArray;
int pEdgeID;
IPoint pLocation;
double dblEdgePercent;
int iUserClassID,iUserID,iUserSubID;
// look up the EID for the current point (this will populate intEdgeID and dblEdgePercent)
ipTraceFlowSolver=new TraceFlowSolverClass() as ITraceFlowSolver;
//get the inetsolver interface
ipNetSolver=ipTraceFlowSolver as INetSolver;
ipNetwork=m_ipGeometricNetwork.Network;
//set the net solver's source network
ipNetSolver.SourceNetwork=ipNetwork;
//make edge flags from the points
//the INetElements interface is needed to get UserID, UserClassID,
//and UserSubID from an element id
EdgeFlagArray=new IEdgeFlag[mPointArray.PointCount];
ipNetElements = ipNetwork as INetElements;
for(int ii=0;ii<mPointArray.PointCount;ii++)
{
ipNetFlag = new EdgeFlagClass();
point=mPointArray.get_Point(ii);
m_ipPointToEID.GetNearestEdge(point,out pEdgeID,out pLocation,out dblEdgePercent);
//iUserClassID��featureclass ID,userID��objectID,userSubID
ipNetElements.QueryIDs(pEdgeID,esriElementType.esriETEdge,out iUserClassID,out iUserID,out iUserSubID);
ipNetFlag.UserClassID=iUserClassID;
ipNetFlag.UserID=iUserID;
ipNetFlag.UserSubID=iUserSubID;
EdgeFlagArray[ii]=ipNetFlag as IEdgeFlag;
//MessageBox.Show(iUserID.ToString());
}
//��ӵ�TraceFlowSolver��
ITraceFlowSolverGEN pTFSolverGEN=ipTraceFlowSolver as ITraceFlowSolverGEN;
pTFSolverGEN.PutEdgeOrigins(ref EdgeFlagArray);
//get the INetSchema interface
INetSchema ipNetSchema = ipNetwork as INetSchema;
INetWeight ipNetWeight = ipNetSchema.get_Weight(0);
//MessageBox.Show(ipNetWeight.WeightName);
INetSolverWeights ipNetSolverWeights=ipTraceFlowSolver as INetSolverWeights;
//����ʹ��ͬһ��Ȩ��
ipNetSolverWeights.FromToEdgeWeight=ipNetWeight;
ipNetSolverWeights.ToFromEdgeWeight=ipNetWeight;
object [] totalCost=new object[mPointArray.PointCount-1];
pTFSolverGEN.FindPath(esriFlowMethod.esriFMConnected,
esriShortestPathObjFn.esriSPObjFnMinSum,
out m_ipEnumNetEID_Junctions,
out m_ipEnumNetEID_Edges,
mPointArray.PointCount-1,ref totalCost);
//MessageBox.Show(totalCost[0].ToString());
for(int ii=0;ii<totalCost.Length;ii++){
costLength+=(double)(totalCost[ii]);
}
pStatusBar.Panels[0].Text="ˮ�ܳ���:"+costLength.ToString();
return true;
}
catch(Exception e){
MessageBox.Show(e.Message);
return false;
}
}