/// <summary>
/// Runs the ModeChoice model on the given household
/// </summary>
/// <param name="h">The household to run on</param>
public bool Run(ITashaHousehold h)
{
// Compute the error terms and feasibility of non shared modes
ComputeErrorTerms(h);
//there are no "trip chains" so return true
for (int i = 0; i < this.HouseholdIterations; i++)
{
// To start with Generate the LogLikelyhoods
if (i == 0)
{
foreach (var person in h.Persons)
{
person.CalculateLoglikelihood();
}
}
else
{
// on ever other one just update the utilities
h.UpdateUtilities();
}
ModeChoiceHousehold.ModeAssignmentHouseHold result = h.ResolveConflicts();
//assign the best mode to each trip to prep for pass 3
if (result == ModeChoiceHousehold.ModeAssignmentHouseHold.ADVANCED_CASE)
{
List <ITripChain> l = h.AllTripChains();
IVehicleType[] vt = ModeChoiceHousehold.FindBestPossibleAssignment(l, new List <IVehicle>(h.Vehicles));
if (vt != null)
{
AssignBestMode(h, vt);
}
else
{
// TODO: should assign best possible vehicle even if
// someone cannot execute their tripchain since they can
// be passengers
return(false);
}
}
else if (result == ModeChoiceHousehold.ModeAssignmentHouseHold.SIMPLE_CASE)
{
AssignBestMode(h);
}
else if (result == ModeChoiceHousehold.ModeAssignmentHouseHold.NULL_SET)
{
ReleaseModeSets(h);
return(false);
}
//pass 3
h.MultiPersonMode();
//finally store it to the list of "generated" realities
DoAssignment(h, i);
}
ReleaseModeSets(h);
return(true);
}
/// <summary>
/// Assigns the best mode to each trip in the trip chain for use in pass 3. (No Conflict Vers.)
/// </summary>
/// <param name="household"></param>
private void AssignBestMode(ITashaHousehold household)
{
foreach (var person in household.Persons)
{
foreach (var tripChain in person.TripChains)
{
ModeSet[] tripset = (ModeSet[])tripChain["BestForVehicle"];
ModeSet bestSet;
var trips = tripChain.Trips;
if ((bestSet = tripset[ModeChoiceHousehold.BestVehicle(tripset)]) != null)
{
for (int i = 0; i < bestSet.Length; i++)
{
trips[i].Mode = bestSet.ChosenMode[i];
}
}
}
}
}
