private void GetFlowConservationList()
{
NodeFlowConservations.Clear();
GetPhysicalNodes();
foreach (int n in PhysicalNodes)
{
NodeFlowConservation nodeConservation = new NodeFlowConservation();
GetNodeConservation(n, nodeConservation);
NodeFlowConservations.Add(nodeConservation);
}
}
private void GetNodeConservation(int node, NodeFlowConservation nodeConservation)
{
nodeConservation.Node = node;
List <int> ConnectedLinks = new List <int>();
double LinkFlow = 0;
double ODFlow = 0;
foreach (LinkResult result in UEresults[TimePeriodIndex].LinkResults)
{
if (result.PhysLink == true)
{
if (result.FromNode == node)
{
nodeConservation.ConnectedLinks.Add(result.ID);
LinkFlow -= result.Volume;
}
else if (result.ToNode == node)
{
nodeConservation.ConnectedLinks.Add(result.ID);
LinkFlow += result.Volume;
}
}
}
nodeConservation.FlowLink = LinkFlow;
int numZones = (FirstPhysicalNode - 1) / 2;
int connectedZone = 0;
foreach (FreewayData link in FreewayFacilities)
{
if (link.FromNode == node || link.ToNode == node)
{
if (link.FromNode <= numZones || link.ToNode <= numZones)
{
if (link.FromNode <= numZones)
{
nodeConservation.Type = 1; //1: OD node
connectedZone = link.FromNode;
break;
}
else if (link.ToNode <= numZones)
{
nodeConservation.Type = 1; //1: OD node
connectedZone = link.ToNode;
break;
}
}
}
}
if (nodeConservation.Type == 1)
{
foreach (ODdata od in ODs)
{
if (od.OrigZone == connectedZone || od.DestZone == connectedZone)
{
int[] zonePair = new int[2];
zonePair[0] = od.OrigZone;
zonePair[1] = od.DestZone;
nodeConservation.ConnectedZones.Add(zonePair);
if (od.OrigZone == connectedZone)
{
ODFlow -= od.NumTrips;
}
else
{
ODFlow += od.NumTrips;
}
}
}
}
nodeConservation.FlowOD = ODFlow;
}