Uses of Interface
org.opentrafficsim.road.gtu.lane.perception.headway.Headway

Packages that use Headway

Package	Description
org.opentrafficsim.road.gtu.lane.perception	Implementation of lane-based perception for the GTU.
org.opentrafficsim.road.gtu.lane.perception.categories	Categories define a set of perceivable information.
org.opentrafficsim.road.gtu.lane.perception.headway	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
org.opentrafficsim.road.gtu.lane.plan.operational	Specific operational plan method for road-vehicles operating in a lane-based network.
org.opentrafficsim.road.gtu.lane.tactical.directedlanechange	Classes that deal with lane changing models.
org.opentrafficsim.road.gtu.lane.tactical.following	GTU (Car) following models such as IDM+.
org.opentrafficsim.road.gtu.lane.tactical.lanechangemobil	Classes that deal with lane changing models.
org.opentrafficsim.road.gtu.lane.tactical.toledo	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
org.opentrafficsim.road.gtu.lane.tactical.util	Static methods for composition in tactical planners.
org.opentrafficsim.road.gtu.lane.tactical.util.lmrs	LMRS (Lane change Model with Relaxation and Synchronization) utilities for tactical planner.

Uses of Headway in org.opentrafficsim.road.gtu.lane.perception

Classes in org.opentrafficsim.road.gtu.lane.perception with type parameters of type Headway

Modifier and Type	Class	Description
class	AbstractPerceptionIterable<H extends Headway,U,C>	Abstract iterable that figures out how to find the next nearest object, including splits.
class	AbstractPerceptionReiterable<H extends Headway,U>	This class uses a single primary iterator which a subclass defines, and makes sure that all elements are only looked up and created once.
class	FilteredIterable<T extends Headway>	Returns only those elements that comply with the predicate.
class	LaneBasedObjectIterable<H extends Headway,L extends LaneBasedObject>	Iterable that searches downstream or upstream for a certain type of lane based object.
class	MultiLanePerceptionIterable<H extends Headway,U>	Iterable class to search over multiple lanes.
interface	PerceptionCollectable<H extends Headway,U>	Iterable that additionally provides support for PerceptionCollectors.
class	PerceptionCollectableFiltered<H extends Headway,U>	Wraps a PerceptionCollectable and only iterates over all objects that are accepted by a predicate.
interface	PerceptionIterable<H extends Headway>	Iterable set of elements, sorted close to far.
class	PerceptionIterableSet<H extends Headway>	Simple implementation of PerceptionIterable which wraps a set.

Uses of Headway in org.opentrafficsim.road.gtu.lane.perception.categories

Methods in org.opentrafficsim.road.gtu.lane.perception.categories that return Headway

Modifier and Type	Method	Description
Headway	DefaultSimplePerception.getBackwardHeadway()
final Headway	DirectDefaultSimplePerception.getBackwardHeadway()
Headway	DefaultSimplePerception.getForwardHeadwayGtu()
final Headway	DirectDefaultSimplePerception.getForwardHeadwayGtu()
Headway	DefaultSimplePerception.getForwardHeadwayObject()
final Headway	DirectDefaultSimplePerception.getForwardHeadwayObject()

Methods in org.opentrafficsim.road.gtu.lane.perception.categories that return types with arguments of type Headway

Modifier and Type	Method	Description
Collection<Headway>	DefaultSimplePerception.getNeighboringHeadways(LateralDirectionality lateralDirection)
final Collection<Headway>	DirectDefaultSimplePerception.getNeighboringHeadways(LateralDirectionality lateralDirection)
Collection<Headway>	DefaultSimplePerception.getNeighboringHeadwaysLeft()
final Collection<Headway>	DirectDefaultSimplePerception.getNeighboringHeadwaysLeft()
Collection<Headway>	DefaultSimplePerception.getNeighboringHeadwaysRight()
final Collection<Headway>	DirectDefaultSimplePerception.getNeighboringHeadwaysRight()
Collection<Headway>	DefaultSimplePerception.getParallelHeadways(LateralDirectionality lateralDirection)
final Collection<Headway>	DirectDefaultSimplePerception.getParallelHeadways(LateralDirectionality lateralDirection)
Collection<Headway>	DefaultSimplePerception.getParallelHeadwaysLeft()
final Collection<Headway>	DirectDefaultSimplePerception.getParallelHeadwaysLeft()
Collection<Headway>	DefaultSimplePerception.getParallelHeadwaysRight()
final Collection<Headway>	DirectDefaultSimplePerception.getParallelHeadwaysRight()
final org.opentrafficsim.base.TimeStampedObject<Headway>	DirectDefaultSimplePerception.getTimeStampedBackwardHeadway()
final org.opentrafficsim.base.TimeStampedObject<Headway>	DirectDefaultSimplePerception.getTimeStampedForwardHeadwayGtu()
final org.opentrafficsim.base.TimeStampedObject<Headway>	DirectDefaultSimplePerception.getTimeStampedForwardHeadwayObject()
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedNeighboringHeadways(LateralDirectionality lateralDirection)
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedNeighboringHeadwaysLeft()
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedNeighboringHeadwaysRight()
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedParallelHeadways(LateralDirectionality lateralDirection)
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedParallelHeadwaysLeft()
final org.opentrafficsim.base.TimeStampedObject<Collection<Headway>>	DirectDefaultSimplePerception.getTimeStampedParallelHeadwaysRight()

Uses of Headway in org.opentrafficsim.road.gtu.lane.perception.headway

Subinterfaces of Headway in org.opentrafficsim.road.gtu.lane.perception.headway

Modifier and Type	Interface	Description
interface	HeadwayGtu	Interface for perceived surrounding GTU's.
interface	HeadwayLaneBasedObject	Headway of a lane-based object.

Classes in org.opentrafficsim.road.gtu.lane.perception.headway that implement Headway

Modifier and Type	Class	Description
class	AbstractHeadway	Super class for non-delayed and non-erroneous perception.
class	AbstractHeadwayCopy	Container for a reference to information about a (lane based) GTU and a headway.
class	AbstractHeadwayGtu	Container for a reference to information about a (lane based) GTU and a headway.
class	AbstractHeadwayLaneBasedObject	Lane based object headway with constructors for stationary information.
class	HeadwayBusStop	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
class	HeadwayConflict	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
class	HeadwayDistance	Container for a reference to information about a headway with just a distance, without any further information about the object; it assumes a speed of 0 at the headway, so it also good to store information about a lane drop.
class	HeadwayGtuPerceived	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
class	HeadwayGtuReal	Container for a reference to information about a (lane based) GTU and a headway.
class	HeadwayGtuRealCopy	Container for a reference to information about a (lane based) GTU and a headway.
class	HeadwayGtuSimple	Container for a reference to information about a (lane based) GTU and a headway.
class	HeadwayGtuType	Container for a reference to information about a (lane based) GTU and a headway.
class	HeadwayObject	Container for a reference to information about a (lane based) object and a headway.
final class	HeadwayStopLine	Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.
class	HeadwayTrafficLight	Container for a reference to information about a (lane based) traffic light and a headway to the traffic light.

Methods in org.opentrafficsim.road.gtu.lane.perception.headway with parameters of type Headway

Modifier and Type	Method	Description
default int	Headway.compareTo(Headway headway)

Uses of Headway in org.opentrafficsim.road.gtu.lane.plan.operational

Methods in org.opentrafficsim.road.gtu.lane.plan.operational with parameters of type Headway

Modifier and Type	Method	Description
boolean	LaneChange.checkRoom(LaneBasedGtu gtu, Headway headway)	Checks whether the given GTU has sufficient space relative to a Headway.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.directedlanechange

Method parameters in org.opentrafficsim.road.gtu.lane.tactical.directedlanechange with type arguments of type Headway

Modifier and Type	Method	Description
final DirectedLaneMovementStep	AbstractDirectedLaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, LateralDirectionality direction, Collection<Headway> sameLaneGTUs, Collection<Headway> otherLaneGTUs, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration otherLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Duration laneChangeTime)	Compute the acceleration and lane change.
final DirectedLaneMovementStep	DirectedFixedLaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, LateralDirectionality direction, Collection<Headway> sameLaneTraffic, Collection<Headway> otherLaneTraffic, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration otherLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Duration laneChangeTime)	Compute the acceleration and lane change.
DirectedLaneMovementStep	DirectedLaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, LateralDirectionality direction, Collection<Headway> sameLaneTraffic, Collection<Headway> otherLaneTraffic, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration otherLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Duration laneChangeTime)	Compute the acceleration and lane change.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.following

Method parameters in org.opentrafficsim.road.gtu.lane.tactical.following with type arguments of type Headway

Modifier and Type	Method	Description
protected abstract org.djunits.value.vdouble.scalar.Acceleration	AbstractIdm.combineInteractionTerm(org.djunits.value.vdouble.scalar.Acceleration aFree, org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Combines an interaction term with the free term.
protected final org.djunits.value.vdouble.scalar.Acceleration	Idm.combineInteractionTerm(org.djunits.value.vdouble.scalar.Acceleration aFree, org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Combines an interaction term with the free term.
protected final org.djunits.value.vdouble.scalar.Acceleration	IdmPlus.combineInteractionTerm(org.djunits.value.vdouble.scalar.Acceleration aFree, org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Combines an interaction term with the free term.
protected final org.djunits.value.vdouble.scalar.Acceleration	IdmPlusMulti.combineInteractionTerm(org.djunits.value.vdouble.scalar.Acceleration aFree, org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Combines an interaction term with the free term.
final DualAccelerationStep	AbstractGtuFollowingModelMobil.computeDualAccelerationStep(LaneBasedGtu referenceGTU, Collection<Headway> otherGTUs, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit)	Compute the lowest accelerations (or most severe decelerations) that would be used if a referenceGTU is present (inserted, or not removed) in a set of other GTUs. If any GTU in the set of otherGTUs has a null headway (indicating that the other GTU is in fact parallel to the referenceGTU), prohibitive decelerations shall be returned. Two AccelerationStep values are returned in a DualAccelerationStep. or should slow down for a crossing from accelerating to unsafe speeds.
final DualAccelerationStep	AbstractGtuFollowingModelMobil.computeDualAccelerationStep(LaneBasedGtu referenceGTU, Collection<Headway> otherHeadways, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Duration stepSize)	Compute the lowest accelerations (or most severe decelerations) that would be used if a referenceGTU is present (inserted, or not removed) in a set of other GTUs. If any GTU in the set of otherGTUs has a null headway (indicating that the other GTU is in fact parallel to the referenceGTU), prohibitive decelerations shall be returned. Two AccelerationStep values are returned in a DualAccelerationStep. or should slow down for a crossing from accelerating to unsafe speeds.
DualAccelerationStep	GtuFollowingModelOld.computeDualAccelerationStep(LaneBasedGtu gtu, Collection<Headway> otherHeadways, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit)	Compute the lowest accelerations (or most severe decelerations) that would be used if a referenceGTU is present (inserted, or not removed) in a set of other GTUs. If any GTU in the set of otherGTUs has a null headway (indicating that the other GTU is in fact parallel to the referenceGTU), prohibitive decelerations shall be returned. Two AccelerationStep values are returned in a DualAccelerationStep. or should slow down for a crossing from accelerating to unsafe speeds.
DualAccelerationStep	GtuFollowingModelOld.computeDualAccelerationStep(LaneBasedGtu gtu, Collection<Headway> otherHeadways, org.djunits.value.vdouble.scalar.Length maxDistance, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Duration stepSize)	Compute the lowest accelerations (or most severe decelerations) that would be used if a referenceGTU is present (inserted, or not removed) in a set of other GTUs. If any GTU in the set of otherGTUs has a null headway (indicating that the other GTU is in fact parallel to the referenceGTU), prohibitive decelerations shall be returned. Two AccelerationStep values are returned in a DualAccelerationStep. or should slow down for a crossing from accelerating to unsafe speeds.
protected abstract org.djunits.value.vdouble.scalar.Acceleration	AbstractCarFollowingModel.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
final org.djunits.value.vdouble.scalar.Acceleration	AbstractCarFollowingModel.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedLimitInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
protected org.djunits.value.vdouble.scalar.Acceleration	AbstractIdm.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
org.djunits.value.vdouble.scalar.Acceleration	CarFollowingModel.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedLimitInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
final org.djunits.value.vdouble.scalar.Acceleration	FixedAccelerationModel.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
final org.djunits.value.vdouble.scalar.Acceleration	IdmOld.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
final org.djunits.value.vdouble.scalar.Acceleration	IdmPlusOld.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.
final org.djunits.value.vdouble.scalar.Acceleration	SequentialFixedAccelerationModel.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, SpeedLimitInfo speedInfo, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.lanechangemobil

Method parameters in org.opentrafficsim.road.gtu.lane.tactical.lanechangemobil with type arguments of type Headway

Modifier and Type	Method	Description
final LaneMovementStep	AbstractLaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, Collection<Headway> sameLaneGTUs, Collection<Headway> preferredLaneGTUs, Collection<Headway> nonPreferredLaneGTUs, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration preferredLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Acceleration nonPreferredLaneRouteIncentive)	Compute the acceleration and lane change.
final LaneMovementStep	FixedLaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, Collection<Headway> sameLaneTraffic, Collection<Headway> rightLaneTraffic, Collection<Headway> leftLaneTraffic, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration preferredLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Acceleration nonPreferredLaneRouteIncentive)	Compute the acceleration and lane change.
LaneMovementStep	LaneChangeModel.computeLaneChangeAndAcceleration(LaneBasedGtu gtu, Collection<Headway> sameLaneTraffic, Collection<Headway> rightLaneTraffic, Collection<Headway> leftLaneTraffic, org.djunits.value.vdouble.scalar.Speed speedLimit, org.djunits.value.vdouble.scalar.Acceleration preferredLaneRouteIncentive, org.djunits.value.vdouble.scalar.Acceleration laneChangeThreshold, org.djunits.value.vdouble.scalar.Acceleration nonPreferredLaneRouteIncentive)	Compute the acceleration and lane change.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.toledo

Method parameters in org.opentrafficsim.road.gtu.lane.tactical.toledo with type arguments of type Headway

Modifier and Type	Method	Description
protected final org.djunits.value.vdouble.scalar.Acceleration	ToledoCarFollowing.followingAcceleration(org.opentrafficsim.base.parameters.Parameters parameters, org.djunits.value.vdouble.scalar.Speed speed, org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length desiredHeadway, PerceptionIterable<? extends Headway> leaders)	Determination of car-following acceleration, possibly based on multiple leaders.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.util

Classes in org.opentrafficsim.road.gtu.lane.tactical.util that implement Headway

Modifier and Type	Class	Description
static class	CarFollowingUtil.CarFollowingHeadway	Simple headway implementation for minimum car-following information.

Uses of Headway in org.opentrafficsim.road.gtu.lane.tactical.util.lmrs

Methods in org.opentrafficsim.road.gtu.lane.tactical.util.lmrs with parameters of type Headway

Modifier and Type	Method	Description
static org.djunits.value.vdouble.scalar.Length	Synchronization.headwayWithLcSpace(Headway headway, org.opentrafficsim.base.parameters.Parameters parameters, LaneChange laneChange)	Returns a headway (length) to allow space to perform a lane change at low speeds.