Package org.opentrafficsim.road.gtu.lane.perception.categories

Class AnticipationSpeed

java.lang.Object

org.opentrafficsim.road.gtu.lane.perception.categories.AnticipationSpeed

All Implemented Interfaces:

PerceptionCollectable.PerceptionCollector<AnticipationSpeed.SpeedSet,LaneBasedGTU,AnticipationSpeed.SpeedSet>

public class AnticipationSpeed
extends Object
implements PerceptionCollectable.PerceptionCollector<AnticipationSpeed.SpeedSet,LaneBasedGTU,AnticipationSpeed.SpeedSet>

Collector of leaders which derives an set of anticipation speeds from a lane. This includes all GTUs on the lane (current), all GTUs indicating left (left) and all GTUs indicating right (right).

Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Version:

$Revision$, $LastChangedDate$, by $Author$, initial version 2 mrt. 2018

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AnticipationSpeed.SpeedSet	Class to contain info from 1 lane, regarding 3 lanes.

Constructor Summary

Constructors

Constructor	Description
AnticipationSpeed(Speed desiredSpeed, Length lookAhead, RelativeLane lane)	Constructor.

Method Summary

Modifier and Type	Method	Description
(package private) double	anticipateSingle(GTU gtu, Length distance)	Anticipate a single leader by possibly lowering the anticipation speed.
PerceptionCollectable.PerceptionAccumulator<LaneBasedGTU,AnticipationSpeed.SpeedSet>	getAccumulator()	Returns the accumulator.
PerceptionCollectable.PerceptionFinalizer<AnticipationSpeed.SpeedSet,AnticipationSpeed.SpeedSet>	getFinalizer()	Returns the finalizer.
Supplier<AnticipationSpeed.SpeedSet>	getIdentity()	Returns the identity value, the initial intermediate value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AnticipationSpeed

public AnticipationSpeed(Speed desiredSpeed,
                         Length lookAhead,
                         RelativeLane lane)

Constructor.

Parameters:

desiredSpeed - Speed; desired speed

lookAhead - Length; look-ahead distance

lane - RelativeLane; lane

Method Detail

getIdentity

public Supplier<AnticipationSpeed.SpeedSet> getIdentity()

Returns the identity value, the initial intermediate value.

Specified by:

getIdentity in interface PerceptionCollectable.PerceptionCollector<AnticipationSpeed.SpeedSet,LaneBasedGTU,AnticipationSpeed.SpeedSet>

Returns:

I; identity value, the initial intermediate value

getAccumulator

public PerceptionCollectable.PerceptionAccumulator<LaneBasedGTU,AnticipationSpeed.SpeedSet> getAccumulator()

Returns the accumulator.

Specified by:

getAccumulator in interface PerceptionCollectable.PerceptionCollector<AnticipationSpeed.SpeedSet,LaneBasedGTU,AnticipationSpeed.SpeedSet>

Returns:

PerceptionAccumulator; accumulator

anticipateSingle

final double anticipateSingle(GTU gtu,
                              Length distance)

Anticipate a single leader by possibly lowering the anticipation speed.

Parameters:

gtu - GTU; GTU

distance - Length; distance to GTU

Returns:

possibly lowered anticipation speed

getFinalizer

public PerceptionCollectable.PerceptionFinalizer<AnticipationSpeed.SpeedSet,AnticipationSpeed.SpeedSet> getFinalizer()

Returns the finalizer.

Specified by:

getFinalizer in interface PerceptionCollectable.PerceptionCollector<AnticipationSpeed.SpeedSet,LaneBasedGTU,AnticipationSpeed.SpeedSet>

Returns:

PerceptionFinalizer; finalizer