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) 2013-2018 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 and Description
static class	AnticipationSpeed.SpeedSet Class to contain info from 1 lane, regarding 3 lanes.

Constructor Summary

Constructors

Constructor and Description
AnticipationSpeed(org.djunits.value.vdouble.scalar.Speed desiredSpeed, org.djunits.value.vdouble.scalar.Length lookAhead, RelativeLane lane) Constructor.

Method Summary

Modifier and Type	Method and Description
(package private) double	anticipateSingle(org.opentrafficsim.core.gtu.GTU gtu, org.djunits.value.vdouble.scalar.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(org.djunits.value.vdouble.scalar.Speed desiredSpeed,
                         org.djunits.value.vdouble.scalar.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(org.opentrafficsim.core.gtu.GTU gtu,
                              org.djunits.value.vdouble.scalar.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