/*
* This method executes a utility network trace to find all the low voltage service points
* serviced by the specified transformer and returns the service points global IDs
*/
private IStringArray FindLVServicePoints(string xfrGlobalID)
{
//Get required Utility Network interfaces
IBaseNetwork unBaseNetwork = (IBaseNetwork)unDataset;
IDatasetComponent datasetComponent = (IDatasetComponent)unDataset;
IDEDataset deDataset = datasetComponent.DataElement;
IDEBaseNetwork deBaseNetwork = (IDEBaseNetwork)deDataset;
IDEUtilityNetwork deUtilityNetwork = (IDEUtilityNetwork)deBaseNetwork;
IDataElement deElement = (IDataElement)deDataset;
//Create and initialize network tracer
IUtilityNetworkQuery unQry = unBaseNetwork.CreateQuery();
ITracer unTracer = unBaseNetwork.CreateTracer();
unTracer.Initialize(unQry, (IDataElement)deDataset);
// Add transformer as trace starting point
IStringArray startGUID = new StrArrayClass();
startGUID.Add(xfrGlobalID);
ILongArray startTerm = new LongArrayClass();
startTerm.Add(MV_XFR_TERMINAL_ID);
unTracer.AddTraceLocationForJunctionFeatures(esriTraceLocationType.esriTLTStartingPoint, startGUID, startTerm);
// Configure trace parameters
UNTraceConfiguration traceConfig = new UNTraceConfiguration();
traceConfig.IgnoreBarriersAtStartingPoints = true;
traceConfig.IncludeContainers = false;
traceConfig.IncludeBarriers = false;
traceConfig.IncludeContent = true;
traceConfig.IncludeIsolated = false;
traceConfig.IncludeStructures = false;
traceConfig.IncludeUpToFirstSpatialContainer = false;
traceConfig.DomainNetworkName = DOMAIN_NETWORK;
traceConfig.TierName = MV_TIER_NAME;
traceConfig.TargetTierName = MV_TIER_NAME;
traceConfig.TraversabilityScope = esriTraversabilityScope.esriTSJunctionsAndEdges;
traceConfig.FilterScope = esriTraversabilityScope.esriTSJunctionsAndEdges;
traceConfig.ValidateConsistency = false;
// Add output filter to only return service points
IArray outFilters = new ArrayClass();
for (int i = 0; i < LV_SERVICE_ASSETTYPES.Length; i++)
{
UNOutputFilter outFilter = new UNOutputFilter();
outFilter.NetworkSourceID = DEVICE_SOURCE_ID;
outFilter.AssetGroupCode = LV_SERVICE_ASSETGROUP;
outFilter.AssetTypeCode = LV_SERVICE_ASSETTYPES[i];
outFilters.Add(outFilter);
}
traceConfig.OutputFilters = outFilters;
unTracer.TraceConfiguration = (ITraceConfiguration)traceConfig;
// Execute the trace
long[] jEid = new long[1];
long[] eEid = new long[1];
unTracer.Trace(esriUtilityNetworkTraceType.esriUNTTDownstream, out jEid, out eEid);
// Get features from returned elements
IUNTraceResults unTraceResults = (IUNTraceResults)unTracer;
ILongArray junctionNetworkSourceIDs = new LongArrayClass();
IStringArray junctionGlobalIDs = new StrArrayClass();
ILongArray junctionObjectIDs = new LongArrayClass();
ILongArray junctionTerminalIDs = new LongArrayClass();
ILongArray junctionAssetGroupCodes = new LongArrayClass();
ILongArray junctionAssetTypeCodes = new LongArrayClass();
ILongArray edgeNetworkSourceIDs = new LongArrayClass();
IStringArray edgeGlobalIDs = new StrArrayClass();
ILongArray edgeObjectIDs = new LongArrayClass();
ILongArray edgeAssetGroupCodes = new LongArrayClass();
ILongArray edgeAssetTypeCodes = new LongArrayClass();
unTraceResults.TraceResultFeatures(out junctionNetworkSourceIDs, out junctionGlobalIDs, out junctionObjectIDs, out junctionTerminalIDs, out junctionAssetGroupCodes, out junctionAssetTypeCodes, out edgeNetworkSourceIDs, out edgeGlobalIDs, out edgeObjectIDs, out edgeAssetGroupCodes, out edgeAssetTypeCodes);
return(junctionGlobalIDs);
}