Source code for flow.utils.aimsun.struct

"""Script containing objects used to store vehicle information in Aimsun."""


[docs]class InfVeh(object): """Dynamics (tracking) information for vehicles in Aimsun. Attributes ---------- CurrentPos : float Position inside the section. The distance (metres or feet, depending on the units defined in the network) from the beginning of the section or position inside the junction given as the distance from the entrance to the junction distance2End : float Distance to end of the section (metres or feet, depending on the units defined in the network) when the vehicle is located in a section or the distance to the end of the turn when the vehicle is in a junction xCurrentPos : float x coordinates of the middle point of the front bumper of the vehicle yCurrentPos : float y coordinates of the middle point of the front bumper of the vehicle zCurrentPos : float z coordinates of the middle point of the front bumper of the vehicle xCurrentPosBack : float x coordinates of the middle point of the rear bumper of the vehicle yCurrentPosBack : float y coordinates of the middle point of the rear bumper of the vehicle zCurrentPosBack : float z coordinates of the middle point of the rear bumper of the vehicle CurrentSpeed : float Current speed (in km/h or mph, depending on the units defined in the network) TotalDistance : float Total distance travelled (metres or feet) SectionEntranceT : float The absolute entrance time of the vehicle into the current section CurrentStopTime : float The current stop time stopped : float True if the vehicle remains stopped idSection : int The section identifier segment : int Segment number of the section where the vehicle is located (from 0 to n-1) numberLane : int Lane number in the segment (from 1, the rightmost lane, to N, the leftmost lane) idJunction : int The junction identifier idSectionFrom : int Origin section identifier when the vehicle is in a node idLaneFrom : int Origin sections lane where the vehicle enters the junction from. 1 being the rightmost lane and N the leftmost lane, being N the number of lanes in the origin section idSectionTo : int Destination section identifier when the vehicle is in a node idLaneTo : int Destination sections lane where the vehicle exits the junction to. 1 being the rightmost lane and N the leftmost lane, being N the number of lanes in the destination section """ def __init__(self): """Instantiate InfVeh.""" self.CurrentPos = None self.distance2End = None self.xCurrentPos = None self.yCurrentPos = None self.zCurrentPos = None self.xCurrentPosBack = None self.yCurrentPosBack = None self.zCurrentPosBack = None self.CurrentSpeed = None self.TotalDistance = None self.SectionEntranceT = None self.CurrentStopTime = None self.stopped = None # Information in Vehicle when it is in a section self.idSection = None self.segment = None self.numberLane = None # Information in Vehicle when it is in a node self.idJunction = None self.idSectionFrom = None self.idLaneFrom = None self.idSectionTo = None self.idLaneTo = None
[docs]class StaticInfVeh(object): """Static information for vehicles in Aimsun. Attributes ---------- report : int 0, OK, else error code idVeh : int Vehicle identifier type : int Vehicle type (car, bus, truck, etc.) length : float Vehicle length (m or feet, depending on the units defined in the network) width : float Vehicle width (m or feet, depending on the units defined in the network) maxDesiredSpeed : float Maximum desired speed of the vehicle (km/h or mph, depending on the units defined in the network) maxAcceleration : float Maximum acceleration of the vehicle (m/s2 or ft/ s2, depending on the units defined in the network) normalDeceleration : float Maximum deceleration of the vehicle that can apply under normal conditions (m/s2 or ft/ s2, depending the units defined in the network) maxDeceleration : float Maximum deceleration of the vehicle that can apply under special conditions (m/s2 or ft/ s2, depending the units defined in the network) speedAcceptance : float Degree of acceptance of the speed limits minDistanceVeh : float Distance that the vehicle keeps between itself and the preceding vehicle (metres or feet, depending on the units defined in the network) giveWayTime : float Time after which the vehicle becomes more aggressive in give-way situations (seconds) guidanceAcceptance : float Level of compliance of the vehicle to guidance indications enrouted : int 0 means vehicle will not change path enroute, 1 means vehicle will change path enroute depending on the percentage of enrouted vehicles defined equipped : int 0 means vehicle not equipped, 1 means vehicle equipped tracked : int 0 means vehicle not tracked, 1 means vehicle tracked keepfastLane : bool True means the vehicle keeps fast lane during overtaking headwayMin : float Minimum headway to the leader sensitivityFactor : float Estimation of the acceleration of the leader reactionTime : float Reaction time of the vehicle reactionTimeAtStop : float Reaction time at stop of the vehicle reactionTimeAtTrafficLight : float Reaction time of the vehicle when stopped the first one of the queue in a traffic light centroidOrigin : int Identifier of centroid origin of the vehicle, when the traffic conditions are defined by an OD matrix centroidDest : int Identifier of centroid destination of the vehicle, when the traffic conditions are defined by an OD matrix idsectionExit : int Identifier of exit section destination of the vehicle, when the destination centroid uses percentages as destination (otherwise is –1) and the traffic conditions are defined by an OD matrix idLine : int Identifier of Public Transport Line, when the vehicle has been generated as a public transport vehicle """ def __init__(self): """Instantiate StaticInfVeh.""" self.report = None self.idVeh = None self.type = None self.length = None self.width = None self.maxDesiredSpeed = None self.maxAcceleration = None self.normalDeceleration = None self.maxDeceleration = None self.speedAcceptance = None self.minDistanceVeh = None self.giveWayTime = None self.guidanceAcceptance = None self.enrouted = None self.equipped = None self.tracked = None self.keepfastLane = None self.headwayMin = None self.sensitivityFactor = None self.reactionTime = None self.reactionTimeAtStop = None self.reactionTimeAtTrafficLight = None self.centroidOrigin = None self.centroidDest = None self.idsectionExit = None self.idLine = None