increase performance
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@@ -20,37 +20,26 @@ class RunwayManager:
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if not runway.Runway.Name in self.RunwayInbounds:
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if not runway.Runway.Name in self.RunwayInbounds:
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self.RunwayInbounds[runway.Runway.Name] = None
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self.RunwayInbounds[runway.Runway.Name] = None
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def validateWtc(inbound : Inbound):
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wtc = inbound.Report.aircraft.wtc.upper()
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if 'L' == wtc or 'M' == wtc or 'H' == wtc or 'J' == wtc:
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return wtc
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else:
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return None
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def calculateEarliestArrivalTime(self, runway : str, inbound : Inbound, useITA : bool, earliestArrivalTime : datetime):
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def calculateEarliestArrivalTime(self, runway : str, inbound : Inbound, useITA : bool, earliestArrivalTime : datetime):
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earliestArrivalTimes = []
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constrainedETA = None
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if None != self.RunwayInbounds[runway]:
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if None != self.RunwayInbounds[runway]:
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# get the WTC based ETA
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# get the WTC based ETA
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wtcPre = RunwayManager.validateWtc(self.RunwayInbounds[runway])
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if None == self.RunwayInbounds[runway].WTC or None == inbound.WTC:
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wtcThis = RunwayManager.validateWtc(inbound)
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spacingWTC = 3
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if None == wtcPre or None == wtcThis:
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spacing = 3
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else:
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else:
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spacing = self.Spacings[wtcPre][wtcThis]
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spacingWTC = self.Spacings[self.RunwayInbounds[runway].WTC][inbound.WTC]
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delay = timedelta(minutes = spacing / (inbound.PerformanceData.SpeedApproach / 60))
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earliestArrivalTimes.append(self.RunwayInbounds[runway].PlannedArrivalTime + delay)
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# get the runway time spacing
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# get the runway time spacing
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spacing = self.Configuration.RunwayConstraints.findRunway(runway).Spacing
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spacingRunway = self.Configuration.RunwayConstraints.findRunway(runway).Spacing
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delay = timedelta(minutes = spacing / (inbound.PerformanceData.SpeedApproach / 60))
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constrainedETA = self.RunwayInbounds[runway].PlannedArrivalTime + timedelta(minutes = max(spacingWTC, spacingRunway) / (inbound.PerformanceData.SpeedApproach / 60))
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earliestArrivalTimes.append(self.RunwayInbounds[runway].PlannedArrivalTime + delay)
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# calculate the arrival times for the dependent inbounds
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# calculate the arrival times for the dependent inbounds
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for dependentRunway in self.Configuration.RunwayConstraints.findDependentRunways(runway):
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for dependentRunway in self.Configuration.RunwayConstraints.findDependentRunways(runway):
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if None != self.RunwayInbounds[dependentRunway.Runway.Name]:
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if None != self.RunwayInbounds[dependentRunway.Runway.Name]:
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delay = timedelta(minutes = 3 / (inbound.PerformanceData.SpeedApproach / 60))
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candidate = self.RunwayInbounds[dependentRunway.Runway.Name].PlannedArrivalTime + timedelta(minutes = 3 / (inbound.PerformanceData.SpeedApproach / 60))
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earliestArrivalTimes.append(self.RunwayInbounds[dependentRunway.Runway.Name].PlannedArrivalTime + delay)
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if None == constrainedETA or candidate > constrainedETA:
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constrainedETA = candidate
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# get the arrival time on the runway of the inbound
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# get the arrival time on the runway of the inbound
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if True == useITA:
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if True == useITA:
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@@ -58,19 +47,17 @@ class RunwayManager:
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else:
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else:
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arrivalTime = inbound.ArrivalCandidates[runway].InitialArrivalTime
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arrivalTime = inbound.ArrivalCandidates[runway].InitialArrivalTime
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if 0 == len(earliestArrivalTimes):
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if None == constrainedETA:
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return arrivalTime, timedelta(seconds = 0)
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return max(arrivalTime, earliestArrivalTime), timedelta(seconds = 0)
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else:
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else:
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eta = max(earliestArrivalTimes)
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eta = max(constrainedETA, earliestArrivalTime)
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if eta < arrivalTime:
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if eta < arrivalTime:
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return arrivalTime, arrivalTime - eta
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return arrivalTime, arrivalTime - eta
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else:
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else:
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return eta, timedelta(seconds = 0)
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return eta, timedelta(seconds = 0)
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def selectArrivalRunway(self, inbound : Inbound, useITA : bool, earliestArrivalTime : datetime):
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def selectArrivalRunway(self, inbound : Inbound, useITA : bool, earliestArrivalTime : datetime):
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availableRunways = []
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availableRunways = self.Configuration.RunwayConstraints.ActiveArrivalRunways
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for runway in self.Configuration.RunwayConstraints.ActiveArrivalRunways:
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availableRunways.append(runway)
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#if 1 < len(availableRunways):
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#if 1 < len(availableRunways):
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# TODO filter based on type
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# TODO filter based on type
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