/// <summary>
/// 设置边线权重
/// </summary>
/// <param name="weightName"></param>
/// <param name="pTraceFlowGen"></param>
/// <param name="pNetwork"></param>
private static void SetWeight(string weightName, ITraceFlowSolverGEN pTraceFlowGen, INetwork pNetwork)
{
INetSchema pNetSchema = pNetwork as INetSchema;
//根据名字获取权重
INetWeight pNetWeight = pNetSchema.get_WeightByName(weightName);
INetSolverWeightsGEN pNetSolverWeightGen = pTraceFlowGen as INetSolverWeightsGEN;
//开始边线权重
pNetSolverWeightGen.FromToEdgeWeight = pNetWeight;
//终止边线权重
pNetSolverWeightGen.ToFromEdgeWeight = pNetWeight;
}
/// <summary>
/// set weights in traceFlowSolver
/// </summary>
/// <param name="traceFlowSolver">object traceFlowSolver</param>
private void SetWeights(ref ITraceFlowSolverGEN traceFlowSolver)
{
INetSolverWeightsGEN netSolverWeights = traceFlowSolver as INetSolverWeightsGEN;
// Junction Weight
if (this.JunctionWeight != null)
{
netSolverWeights.JunctionWeight = this.JunctionWeight;
}
// FromTo Edge Weight
if (this.FromToEdgeWeight != null)
{
netSolverWeights.FromToEdgeWeight = this.FromToEdgeWeight;
}
// ToFrom Edge Weight
if (this.ToFromEdgeWeight != null)
{
netSolverWeights.ToFromEdgeWeight = this.ToFromEdgeWeight;
}
// Junction Filter Weight
if (this.JunctionFilterWeight != null)
{
netSolverWeights.JunctionFilterWeight = this.JunctionFilterWeight;
netSolverWeights.SetFilterType(esriElementType.esriETJunction, esriWeightFilterType.esriWFRange, this.JunctionFilterNotOperator);
object[] junctionFilterRangesFrom = this.JunctionFilterRangesFrom.ToArray();
object[] junctionFilterRangesTo = this.JunctionFilterRangesTo.ToArray();
netSolverWeights.SetFilterRanges(esriElementType.esriETJunction, ref junctionFilterRangesFrom, ref junctionFilterRangesTo);
}
// FromTo ToFrom Edge Filter Weight
if ((this.FromToEdgeFilterWeight != null) && (this.ToFromEdgeFilterWeight != null))
{
netSolverWeights.FromToEdgeFilterWeight = this.FromToEdgeFilterWeight;
netSolverWeights.ToFromEdgeFilterWeight = this.ToFromEdgeFilterWeight;
netSolverWeights.SetFilterType(esriElementType.esriETEdge, esriWeightFilterType.esriWFRange, this.EdgeFilterNotOperator);
object[] edgeFilterRangesFrom = this.EdgeFilterRangesFrom.ToArray();
object[] edgeFilterRangesTo = this.EdgeFilterRangesTo.ToArray();
netSolverWeights.SetFilterRanges(esriElementType.esriETEdge, ref edgeFilterRangesFrom, ref edgeFilterRangesTo);
}
}
public ITraceFlowSolverGEN UTIL_coreTraceSetup()
{
// get the current network's logical network
INetworkAnalysisExt nax = m_utilNetExt as INetworkAnalysisExt;
INetwork net = nax.CurrentNetwork.Network;
// create a new TraceFlowSolver object and
// set the source network for the solve
ITraceFlowSolverGEN tfs = new TraceFlowSolverClass() as ITraceFlowSolverGEN;
INetSolver netSolver = tfs as INetSolver;
netSolver.SourceNetwork = net;
// get the barriers for the network, using the element barriers and
// selection barriers that have been added using the user interface
INetworkAnalysisExtBarriers naxBarriers = m_utilNetExt as INetworkAnalysisExtBarriers;
INetElementBarriers juncElemBarriers, edgeElemBarriers;
naxBarriers.CreateElementBarriers(out juncElemBarriers, out edgeElemBarriers);
ISelectionSetBarriers selSetBarriers;
naxBarriers.CreateSelectionBarriers(out selSetBarriers);
netSolver.set_ElementBarriers(esriElementType.esriETJunction, juncElemBarriers);
netSolver.set_ElementBarriers(esriElementType.esriETEdge, edgeElemBarriers);
netSolver.SelectionSetBarriers = selSetBarriers;
// set up the disabled layers for the network solver
// for each feature layer belonging to this network, determine if it is
// enabled or disabled; if it's disabled, then notify the network solver
for (int i = 0; i < nax.FeatureLayerCount; i++)
{
IFeatureLayer featureLayer = nax.get_FeatureLayer(i);
if (naxBarriers.GetDisabledLayer(featureLayer))
{
netSolver.DisableElementClass(featureLayer.FeatureClass.FeatureClassID);
}
}
INetworkAnalysisExtWeightFilter naxWeightFilter = m_utilNetExt as INetworkAnalysisExtWeightFilter;
INetSolverWeightsGEN netSolverWeights = netSolver as INetSolverWeightsGEN;
INetSchema netSchema = net as INetSchema;
// create the junction weight filter
int juncFilterRangeCount = naxWeightFilter.get_FilterRangeCount(esriElementType.esriETJunction);
if (juncFilterRangeCount > 0)
{
INetWeight netWeight = netSchema.get_WeightByName(naxWeightFilter.JunctionWeightFilterName);
netSolverWeights.JunctionFilterWeight = netWeight;
esriWeightFilterType juncWeightFilterType;
bool juncApplyNotOperator;
naxWeightFilter.GetFilterType(esriElementType.esriETJunction,
out juncWeightFilterType, out juncApplyNotOperator);
netSolverWeights.SetFilterType(esriElementType.esriETJunction,
juncWeightFilterType, juncApplyNotOperator);
object[] juncFromValues = new object[juncFilterRangeCount];
object[] juncToValues = new object[juncFilterRangeCount];
for (int i = 0; i < juncFilterRangeCount; i++)
{
naxWeightFilter.GetFilterRange(esriElementType.esriETJunction, i,
out juncFromValues[i], out juncToValues[i]);
}
netSolverWeights.SetFilterRanges(esriElementType.esriETJunction,
ref juncFromValues, ref juncToValues);
}
// create the edge weight filters
int edgeFilterRangeCount = naxWeightFilter.get_FilterRangeCount(esriElementType.esriETEdge);
if (edgeFilterRangeCount > 0)
{
INetWeight fromToNetWeight = netSchema.get_WeightByName(naxWeightFilter.FromToEdgeWeightFilterName);
netSolverWeights.FromToEdgeFilterWeight = fromToNetWeight;
INetWeight toFromNetWeight = netSchema.get_WeightByName(naxWeightFilter.ToFromEdgeWeightFilterName);
netSolverWeights.ToFromEdgeFilterWeight = toFromNetWeight;
esriWeightFilterType edgeWeightFilterType;
bool edgeApplyNotOperator;
naxWeightFilter.GetFilterType(esriElementType.esriETEdge,
out edgeWeightFilterType, out edgeApplyNotOperator);
netSolverWeights.SetFilterType(esriElementType.esriETEdge,
edgeWeightFilterType, edgeApplyNotOperator);
object[] edgeFromValues = new object[edgeFilterRangeCount];
object[] edgeToValues = new object[edgeFilterRangeCount];
for (int i = 0; i < edgeFilterRangeCount; i++)
{
naxWeightFilter.GetFilterRange(esriElementType.esriETEdge, i,
out edgeFromValues[i], out edgeToValues[i]);
}
netSolverWeights.SetFilterRanges(esriElementType.esriETEdge,
ref edgeFromValues, ref edgeToValues);
}
INetworkAnalysisExtFlags naxFlags = m_utilNetExt as INetworkAnalysisExtFlags;
// assign the edge flags to the network solver
int edgeFlagCount = naxFlags.EdgeFlagCount;
if (edgeFlagCount > 0)
{
IEdgeFlag[] edgeFlags = new IEdgeFlag[edgeFlagCount];
for (int i = 0; i < edgeFlagCount; i++)
{
IEdgeFlagDisplay edgeFlagDisplay = naxFlags.get_EdgeFlag(i);
IFlagDisplay flagDisplay = edgeFlagDisplay as IFlagDisplay;
IEdgeFlag edgeFlag = new EdgeFlagClass();
edgeFlag.Position = Convert.ToSingle(edgeFlagDisplay.Percentage);
INetFlag netFlag = edgeFlag as INetFlag;
netFlag.UserClassID = flagDisplay.FeatureClassID;
netFlag.UserID = flagDisplay.FID;
netFlag.UserSubID = flagDisplay.SubID;
edgeFlags[i] = edgeFlag;
}
tfs.PutEdgeOrigins(ref edgeFlags);
}
// assign the junction flags to the network solver
int juncFlagCount = naxFlags.JunctionFlagCount;
if (juncFlagCount > 0)
{
IJunctionFlag[] juncFlags = new IJunctionFlag[juncFlagCount];
for (int i = 0; i < juncFlagCount; i++)
{
IJunctionFlagDisplay juncFlagDisplay = naxFlags.get_JunctionFlag(i);
IFlagDisplay flagDisplay = juncFlagDisplay as IFlagDisplay;
IJunctionFlag juncFlag = new JunctionFlagClass();
INetFlag netFlag = juncFlag as INetFlag;
netFlag.UserClassID = flagDisplay.FeatureClassID;
netFlag.UserID = flagDisplay.FID;
netFlag.UserSubID = flagDisplay.SubID;
juncFlags[i] = juncFlag;
}
tfs.PutJunctionOrigins(ref juncFlags);
}
// set the option for tracing on indeterminate flow
ITraceTasks traceTasks = m_utilNetExt as ITraceTasks;
tfs.TraceIndeterminateFlow = traceTasks.TraceIndeterminateFlow;
return(tfs);
}
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);
}