private void RunModel(ChoiceProbabilityCalculator choiceProbabilityCalculator, ITourWrapper tour, TourTime choice = null)
{
IHouseholdWrapper household = tour.Household;
IPersonWrapper person = tour.Person;
IPersonDayWrapper personDay = tour.PersonDay;
// household inputs
int income0To25KFlag = household.Has0To25KIncome.ToFlag();
int income100KPlusFlag = household.Has100KPlusIncome.ToFlag();
// person inputs
int partTimeWorkerFlag = person.IsPartTimeWorker.ToFlag();
int nonworkingAdultFlag = person.IsNonworkingAdult.ToFlag();
int universityStudentFlag = person.IsUniversityStudent.ToFlag();
int retiredAdultFlag = person.IsRetiredAdult.ToFlag();
int drivingAgeStudentFlag = person.IsDrivingAgeStudent.ToFlag();
int fulltimeWorkerFlag = person.IsFulltimeWorker.ToFlag();
int childAge5Through15Flag = person.IsChildAge5Through15.ToFlag();
int childUnder5Flag = person.IsChildUnder5.ToFlag();
// person-day inputs
int homeBasedToursOnlyFlag = personDay.OnlyHomeBasedToursExist().ToFlag();
int firstSimulatedHomeBasedTourFlag = personDay.IsFirstSimulatedHomeBasedTour().ToFlag();
int laterSimulatedHomeBasedTourFlag = personDay.IsLaterSimulatedHomeBasedTour().ToFlag();
int totalStopPurposes = personDay.GetTotalStopPurposes(); // JLB 20150401 changed from GetTotalStops to assure consistent definition in apply and estimate
int totalSimulatedStops = personDay.GetTotalSimulatedStops();
int escortStops = personDay.EscortStops;
int homeBasedTours = personDay.HomeBasedTours;
int simulatedHomeBasedTours = personDay.SimulatedHomeBasedTours;
// tour inputs
int escortTourFlag = tour.IsEscortPurpose().ToFlag();
int shoppingTourFlag = tour.IsShoppingPurpose().ToFlag();
int mealTourFlag = tour.IsMealPurpose().ToFlag();
int socialTourFlag = tour.IsSocialPurpose().ToFlag();
int personalBusinessTourFlag = tour.IsPersonalBusinessPurpose().ToFlag();
int sovOrHovTourFlag = tour.IsAnAutoMode().ToFlag();
int transitTourFlag = tour.UsesTransitModes().ToFlag();
// remaining inputs
// Higher priority tour of 2+ tours for the same purpose
int highPrioritySameFlag = (tour.GetTotalToursByPurpose() > tour.GetTotalSimulatedToursByPurpose() && tour.GetTotalSimulatedToursByPurpose() == 1).ToFlag();
// Lower priority tour(s) of 2+ tours for the same purpose
int lowPrioritySameFlag = (tour.GetTotalSimulatedToursByPurpose() > 1).ToFlag();
// Higher priority tour of 2+ tours for different purposes
int highPriorityDifferentFlag = (personDay.IsFirstSimulatedHomeBasedTour() && personDay.HomeBasedToursExist()).ToFlag() * (1 - highPrioritySameFlag);
// Lower priority tour of 2+ tours for different purposes
int lowPriorityDifferentFlag = (personDay.IsLaterSimulatedHomeBasedTour() && personDay.HomeBasedToursExist()).ToFlag() * (1 - lowPrioritySameFlag);
ITimeWindow timeWindow = tour.ParentTour == null ? personDay.TimeWindow : tour.ParentTour.TimeWindow;
ITourModeImpedance[] impedances = tour.GetTourModeImpedances();
int period1Middle = 15;
int smallPeriodCount = DayPeriod.SmallDayPeriods.Count();
for (int periodIndex = 0; periodIndex < smallPeriodCount; periodIndex++)
{
// set arrival period component
int arrivalPeriodIndex = periodIndex;
double arrivalPeriodShift = arrivalPeriodIndex * (48.0 / DayPeriod.SMALL_DAY_PERIOD_TOTAL_TRIP_TIMES); //adjust shift amount if period lengths change
MinuteSpan arrivalPeriod = DayPeriod.SmallDayPeriods[arrivalPeriodIndex];
int earlyArriveFlag = arrivalPeriod.Middle.IsBetween(Global.Settings.Times.ThreeAM, Global.Settings.Times.SevenAM).ToFlag();
ITourModeImpedance arrivalImpedance = impedances[arrivalPeriodIndex];
int arrivalPeriodAvailableMinutes = timeWindow.TotalAvailableMinutes(arrivalPeriod.Start, arrivalPeriod.End);
choiceProbabilityCalculator.CreateUtilityComponent(3 * periodIndex + 0);
ChoiceProbabilityCalculator.Component arrivalComponent = choiceProbabilityCalculator.GetUtilityComponent(3 * periodIndex + 0);
if (arrivalPeriodAvailableMinutes > 0 || Global.Configuration.IsInEstimationMode)
{
arrivalComponent.AddUtilityTerm(11, arrivalPeriod.Middle.IsBetween(Global.Settings.Times.ThreeAM, Global.Settings.Times.SixAM).ToFlag());
arrivalComponent.AddUtilityTerm(12, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SixAM, Global.Settings.Times.SevenAM).ToFlag());
arrivalComponent.AddUtilityTerm(13, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SevenAM, Global.Settings.Times.EightAM).ToFlag());
arrivalComponent.AddUtilityTerm(14, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.EightAM, Global.Settings.Times.NineAM).ToFlag());
arrivalComponent.AddUtilityTerm(15, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.NineAM, Global.Settings.Times.TenAM).ToFlag());
arrivalComponent.AddUtilityTerm(16, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.TenAM, Global.Settings.Times.OnePM).ToFlag());
arrivalComponent.AddUtilityTerm(17, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.OnePM, Global.Settings.Times.FourPM).ToFlag());
arrivalComponent.AddUtilityTerm(18, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.FourPM, Global.Settings.Times.SevenPM).ToFlag());
arrivalComponent.AddUtilityTerm(19, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SevenPM, Global.Settings.Times.TenPM).ToFlag());
arrivalComponent.AddUtilityTerm(20, arrivalPeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.TenPM, Global.Settings.Times.MinutesInADay).ToFlag());
arrivalComponent.AddUtilityTerm(41, partTimeWorkerFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(43, nonworkingAdultFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(45, universityStudentFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(47, retiredAdultFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(49, drivingAgeStudentFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(139, fulltimeWorkerFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(141, childAge5Through15Flag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(143, childUnder5Flag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(145, escortTourFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(147, shoppingTourFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(149, mealTourFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(151, socialTourFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(153, personalBusinessTourFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(51, income0To25KFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(53, income100KPlusFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(55, highPrioritySameFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(57, lowPrioritySameFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(155, highPriorityDifferentFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(157, lowPriorityDifferentFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(59, homeBasedToursOnlyFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(61, totalStopPurposes * homeBasedToursOnlyFlag * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(63, totalStopPurposes * (1 - homeBasedToursOnlyFlag) * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(65, (Math.Max(totalStopPurposes - totalSimulatedStops, 0)) * (1 - homeBasedToursOnlyFlag) * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(67, escortStops * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(69, tour.TotalSubtours * arrivalPeriodShift);
arrivalComponent.AddUtilityTerm(72, income100KPlusFlag * earlyArriveFlag);
arrivalComponent.AddUtilityTerm(175, escortTourFlag * earlyArriveFlag);
arrivalComponent.AddUtilityTerm(176, shoppingTourFlag * earlyArriveFlag);
arrivalComponent.AddUtilityTerm(177, mealTourFlag * earlyArriveFlag);
arrivalComponent.AddUtilityTerm(85, sovOrHovTourFlag * arrivalImpedance.GeneralizedTimeFromOrigin * tour.TimeCoefficient);
arrivalComponent.AddUtilityTerm(87, transitTourFlag * Math.Max(0, arrivalImpedance.GeneralizedTimeFromOrigin) * tour.TimeCoefficient);
arrivalComponent.AddUtilityTerm(89, transitTourFlag * (arrivalImpedance.GeneralizedTimeFromOrigin < 0).ToFlag());
arrivalComponent.AddUtilityTerm(91, Math.Log(Math.Max(1, arrivalPeriodAvailableMinutes)));
arrivalComponent.AddUtilityTerm(93, arrivalImpedance.AdjacentMinutesBefore * firstSimulatedHomeBasedTourFlag);
arrivalComponent.AddUtilityTerm(95, arrivalImpedance.AdjacentMinutesBefore * laterSimulatedHomeBasedTourFlag);
arrivalComponent.AddUtilityTerm(99, (Math.Max(totalStopPurposes - totalSimulatedStops, 0)) / (1D + arrivalImpedance.AdjacentMinutesBefore));
}
// set departure period component
int departurePeriodIndex = periodIndex;
double departurePeriodShift = departurePeriodIndex * (48.0 / DayPeriod.SMALL_DAY_PERIOD_TOTAL_TRIP_TIMES); //adjust shift amount if period lengths change
MinuteSpan departurePeriod = DayPeriod.SmallDayPeriods[departurePeriodIndex];
int lateDepartFlag = departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.NinePM, Global.Settings.Times.MinutesInADay).ToFlag();
ITourModeImpedance departureImpedance = impedances[departurePeriodIndex];
int departurePeriodAvailableMinutes = timeWindow.TotalAvailableMinutes(departurePeriod.Start, departurePeriod.End);
choiceProbabilityCalculator.CreateUtilityComponent(3 * periodIndex + 1);
ChoiceProbabilityCalculator.Component departureComponent = choiceProbabilityCalculator.GetUtilityComponent(3 * periodIndex + 1);
if (departurePeriodAvailableMinutes > 0 || Global.Configuration.IsInEstimationMode)
{
departureComponent.AddUtilityTerm(21, departurePeriod.Middle.IsBetween(Global.Settings.Times.ThreeAM, Global.Settings.Times.SevenAM).ToFlag());
departureComponent.AddUtilityTerm(22, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SevenAM, Global.Settings.Times.TenAM).ToFlag());
departureComponent.AddUtilityTerm(23, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.TenAM, Global.Settings.Times.OnePM).ToFlag());
departureComponent.AddUtilityTerm(24, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.OnePM, Global.Settings.Times.ThreePM).ToFlag());
departureComponent.AddUtilityTerm(124, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.ThreePM, Global.Settings.Times.FourPM).ToFlag());
departureComponent.AddUtilityTerm(25, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.FourPM, Global.Settings.Times.FivePM).ToFlag());
departureComponent.AddUtilityTerm(26, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.FivePM, Global.Settings.Times.SixPM).ToFlag());
departureComponent.AddUtilityTerm(27, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SixPM, Global.Settings.Times.SevenPM).ToFlag());
departureComponent.AddUtilityTerm(28, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.SevenPM, Global.Settings.Times.NinePM).ToFlag());
departureComponent.AddUtilityTerm(29, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.NinePM, Global.Settings.Times.Midnight).ToFlag());
departureComponent.AddUtilityTerm(30, departurePeriod.Middle.IsLeftExclusiveBetween(Global.Settings.Times.Midnight, Global.Settings.Times.MinutesInADay).ToFlag());
//added
departureComponent.AddUtilityTerm(136, transitTourFlag * departurePeriodShift);
departureComponent.AddUtilityTerm(137, transitTourFlag * lateDepartFlag);
//
departureComponent.AddUtilityTerm(73, income100KPlusFlag * lateDepartFlag);
departureComponent.AddUtilityTerm(178, escortTourFlag * lateDepartFlag);
departureComponent.AddUtilityTerm(179, shoppingTourFlag * lateDepartFlag);
departureComponent.AddUtilityTerm(180, mealTourFlag * lateDepartFlag);
departureComponent.AddUtilityTerm(86, sovOrHovTourFlag * departureImpedance.GeneralizedTimeFromDestination * tour.TimeCoefficient);
departureComponent.AddUtilityTerm(88, transitTourFlag * Math.Max(0, departureImpedance.GeneralizedTimeFromDestination) * tour.TimeCoefficient);
departureComponent.AddUtilityTerm(89, transitTourFlag * (departureImpedance.GeneralizedTimeFromDestination < 0).ToFlag());
departureComponent.AddUtilityTerm(92, Math.Log(Math.Max(1, departurePeriodAvailableMinutes)));
departureComponent.AddUtilityTerm(94, departureImpedance.AdjacentMinutesAfter * firstSimulatedHomeBasedTourFlag);
departureComponent.AddUtilityTerm(96, departureImpedance.AdjacentMinutesAfter * laterSimulatedHomeBasedTourFlag);
departureComponent.AddUtilityTerm(100, (Math.Max(totalStopPurposes - totalSimulatedStops, 0)) / (1D + departureImpedance.AdjacentMinutesAfter));
}
// set duration component (relative to period 1)
double periodSpan = periodIndex * (48.0 / DayPeriod.SMALL_DAY_PERIOD_TOTAL_TRIP_TIMES); //adjust shift amount if period lengths change;
if (arrivalPeriodIndex == 0)
{
period1Middle = arrivalPeriod.Middle;
}
int duration = departurePeriod.Middle - period1Middle;
int durationUnder1HourFlag = ChoiceModelUtility.GetDurationUnder1HourFlag(duration);
int duration1To2HoursFlag = ChoiceModelUtility.GetDuration1To2HoursFlag(duration);
int durationUnder4HoursFlag = ChoiceModelUtility.GetDurationUnder4HoursFlag(duration);
int durationUnder8HoursFlag = ChoiceModelUtility.GetDurationUnder8HoursFlag(duration);
int durationUnder9HoursFlag = ChoiceModelUtility.GetDurationUnder9HoursFlag(duration);
choiceProbabilityCalculator.CreateUtilityComponent(3 * periodIndex + 2);
ChoiceProbabilityCalculator.Component durationComponent = choiceProbabilityCalculator.GetUtilityComponent(3 * periodIndex + 2);
if (tour.IsWorkPurpose() || tour.IsSchoolPurpose())
{
durationComponent.AddUtilityTerm(31, duration.IsRightExclusiveBetween(Global.Settings.Times.ZeroHours, Global.Settings.Times.ThreeHours).ToFlag());
durationComponent.AddUtilityTerm(32, duration.IsRightExclusiveBetween(Global.Settings.Times.ThreeHours, Global.Settings.Times.FiveHours).ToFlag());
durationComponent.AddUtilityTerm(33, duration.IsRightExclusiveBetween(Global.Settings.Times.FiveHours, Global.Settings.Times.SevenHours).ToFlag());
durationComponent.AddUtilityTerm(34, duration.IsRightExclusiveBetween(Global.Settings.Times.SevenHours, Global.Settings.Times.NineHours).ToFlag());
durationComponent.AddUtilityTerm(35, duration.IsRightExclusiveBetween(Global.Settings.Times.NineHours, Global.Settings.Times.TenHours).ToFlag());
durationComponent.AddUtilityTerm(36, duration.IsRightExclusiveBetween(Global.Settings.Times.TenHours, Global.Settings.Times.ElevenHours).ToFlag());
durationComponent.AddUtilityTerm(37, duration.IsRightExclusiveBetween(Global.Settings.Times.ElevenHours, Global.Settings.Times.TwelveHours).ToFlag());
durationComponent.AddUtilityTerm(38, duration.IsRightExclusiveBetween(Global.Settings.Times.TwelveHours, Global.Settings.Times.FourteenHours).ToFlag());
durationComponent.AddUtilityTerm(39, duration.IsRightExclusiveBetween(Global.Settings.Times.FourteenHours, Global.Settings.Times.EighteenHours).ToFlag());
durationComponent.AddUtilityTerm(40, (duration >= Global.Settings.Times.EighteenHours).ToFlag());
}
else
{
durationComponent.AddUtilityTerm(31, duration.IsRightExclusiveBetween(Global.Settings.Times.ZeroHours, Global.Settings.Times.OneHour).ToFlag());
durationComponent.AddUtilityTerm(32, duration.IsRightExclusiveBetween(Global.Settings.Times.OneHour, Global.Settings.Times.TwoHours).ToFlag());
durationComponent.AddUtilityTerm(33, duration.IsRightExclusiveBetween(Global.Settings.Times.TwoHours, Global.Settings.Times.ThreeHours).ToFlag());
durationComponent.AddUtilityTerm(34, duration.IsRightExclusiveBetween(Global.Settings.Times.ThreeHours, Global.Settings.Times.FiveHours).ToFlag());
durationComponent.AddUtilityTerm(35, duration.IsRightExclusiveBetween(Global.Settings.Times.FiveHours, Global.Settings.Times.SevenHours).ToFlag());
durationComponent.AddUtilityTerm(36, duration.IsRightExclusiveBetween(Global.Settings.Times.SevenHours, Global.Settings.Times.NineHours).ToFlag());
durationComponent.AddUtilityTerm(37, duration.IsRightExclusiveBetween(Global.Settings.Times.NineHours, Global.Settings.Times.TwelveHours).ToFlag());
durationComponent.AddUtilityTerm(38, duration.IsRightExclusiveBetween(Global.Settings.Times.TwelveHours, Global.Settings.Times.FourteenHours).ToFlag());
durationComponent.AddUtilityTerm(39, duration.IsRightExclusiveBetween(Global.Settings.Times.FourteenHours, Global.Settings.Times.EighteenHours).ToFlag());
durationComponent.AddUtilityTerm(40, (duration >= Global.Settings.Times.EighteenHours).ToFlag());
}
durationComponent.AddUtilityTerm(42, partTimeWorkerFlag * periodSpan);
durationComponent.AddUtilityTerm(44, nonworkingAdultFlag * periodSpan);
durationComponent.AddUtilityTerm(46, universityStudentFlag * periodSpan);
durationComponent.AddUtilityTerm(48, retiredAdultFlag * periodSpan);
durationComponent.AddUtilityTerm(50, drivingAgeStudentFlag * periodSpan);
durationComponent.AddUtilityTerm(140, fulltimeWorkerFlag * periodSpan);
durationComponent.AddUtilityTerm(142, childAge5Through15Flag * periodSpan);
durationComponent.AddUtilityTerm(144, childUnder5Flag * periodSpan);
durationComponent.AddUtilityTerm(146, escortTourFlag * periodSpan);
durationComponent.AddUtilityTerm(148, shoppingTourFlag * periodSpan);
durationComponent.AddUtilityTerm(150, mealTourFlag * periodSpan);
durationComponent.AddUtilityTerm(152, socialTourFlag * periodSpan);
durationComponent.AddUtilityTerm(154, personalBusinessTourFlag * periodSpan);
durationComponent.AddUtilityTerm(52, income0To25KFlag * periodSpan);
durationComponent.AddUtilityTerm(54, income100KPlusFlag * periodSpan);
durationComponent.AddUtilityTerm(56, highPrioritySameFlag * periodSpan);
durationComponent.AddUtilityTerm(58, lowPrioritySameFlag * periodSpan);
durationComponent.AddUtilityTerm(156, highPriorityDifferentFlag * periodSpan);
durationComponent.AddUtilityTerm(158, lowPriorityDifferentFlag * periodSpan);
durationComponent.AddUtilityTerm(60, homeBasedToursOnlyFlag * periodSpan);
durationComponent.AddUtilityTerm(62, totalStopPurposes * homeBasedToursOnlyFlag * periodSpan);
durationComponent.AddUtilityTerm(64, totalStopPurposes * (1 - homeBasedToursOnlyFlag) * periodSpan);
durationComponent.AddUtilityTerm(66, (Math.Max(totalStopPurposes - totalSimulatedStops, 0)) * (1 - homeBasedToursOnlyFlag) * periodSpan);
durationComponent.AddUtilityTerm(68, escortStops * periodSpan);
durationComponent.AddUtilityTerm(70, tour.TotalSubtours * periodSpan);
durationComponent.AddUtilityTerm(71, fulltimeWorkerFlag * durationUnder9HoursFlag);
durationComponent.AddUtilityTerm(169, escortTourFlag * durationUnder1HourFlag);
durationComponent.AddUtilityTerm(170, shoppingTourFlag * durationUnder1HourFlag);
durationComponent.AddUtilityTerm(171, mealTourFlag * durationUnder1HourFlag);
durationComponent.AddUtilityTerm(172, escortTourFlag * duration1To2HoursFlag);
durationComponent.AddUtilityTerm(173, shoppingTourFlag * duration1To2HoursFlag);
durationComponent.AddUtilityTerm(174, mealTourFlag * duration1To2HoursFlag);
durationComponent.AddUtilityTerm(81, highPrioritySameFlag * durationUnder8HoursFlag);
durationComponent.AddUtilityTerm(82, lowPrioritySameFlag * durationUnder8HoursFlag);
durationComponent.AddUtilityTerm(83, highPriorityDifferentFlag * durationUnder8HoursFlag);
durationComponent.AddUtilityTerm(84, lowPriorityDifferentFlag * durationUnder4HoursFlag);
}
foreach (TourTime time in TourTime.Times)
{
bool available =
(time.ArrivalPeriod.Index < time.DeparturePeriod.Index &&
timeWindow.EntireSpanIsAvailable(time.ArrivalPeriod.End, time.DeparturePeriod.Start)) ||
(time.ArrivalPeriod.Index == time.DeparturePeriod.Index &&
timeWindow.TotalAvailableMinutes(time.ArrivalPeriod.Start, time.ArrivalPeriod.End) > 1);
ChoiceProbabilityCalculator.Alternative alternative = choiceProbabilityCalculator.GetAlternative(time.Index, available, choice != null && choice.Equals(time));
if (!alternative.Available && !Global.Configuration.IsInEstimationMode)
{
continue;
}
int arrivalPeriodIndex = time.ArrivalPeriod.Index;
ITourModeImpedance arrivalImpedance = impedances[arrivalPeriodIndex];
int departurePeriodIndex = time.DeparturePeriod.Index;
ITourModeImpedance departureImpedance = impedances[departurePeriodIndex];
alternative.Choice = time;
// arrival period utility component
alternative.AddUtilityComponent(choiceProbabilityCalculator.GetUtilityComponent(3 * time.ArrivalPeriod.Index + 0));
// departure period utility component
alternative.AddUtilityComponent(choiceProbabilityCalculator.GetUtilityComponent(3 * time.DeparturePeriod.Index + 1));
// duration utility components
alternative.AddUtilityComponent(choiceProbabilityCalculator.GetUtilityComponent(3 * (time.DeparturePeriod.Index - time.ArrivalPeriod.Index) + 2));
alternative.AddUtilityTerm(97, Math.Min(0.3, (homeBasedTours - simulatedHomeBasedTours) / (1.0 + arrivalImpedance.TotalMinutesBefore + departureImpedance.TotalMinutesAfter)));
alternative.AddUtilityTerm(98, Math.Min(0.3, (homeBasedTours - simulatedHomeBasedTours) / (1.0 + Math.Max(arrivalImpedance.MaxMinutesBefore, departureImpedance.MaxMinutesAfter))));
}
}