Package org.opentrafficsim.road.network.lane.object.trafficlight

Class TrafficLight

java.lang.Object
org.djutils.event.LocalEventProducer
org.opentrafficsim.core.object.StaticObject
org.opentrafficsim.road.network.lane.object.AbstractLaneBasedObject
org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLight
All Implemented Interfaces:
Serializable, Remote, nl.tudelft.simulation.dsol.animation.Locatable, org.djutils.base.Identifiable, org.djutils.event.EventProducer, org.opentrafficsim.base.geometry.OtsLocatable, org.opentrafficsim.base.geometry.SpatialObject, LocatedObject, LaneBasedObject
public class TrafficLight extends AbstractLaneBasedObject
Standard implementation of a traffic light.

Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Author:
Alexander Verbraeck, Peter Knoppers, Wouter Schakel
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final org.djunits.value.vdouble.scalar.Length
    DEFAULT_TRAFFICLIGHT_ELEVATION
    Default elevation of a traffic light (above zero; don't use this for lanes at non-zero elevation).
    static final org.djutils.event.EventType
    TRAFFICLIGHT_CHANGE_EVENT
    The timed event type for pub/sub indicating the change of color of a traffic light.

    Fields inherited from interface org.djutils.event.EventProducer

    FIRST_POSITION, LAST_POSITION

  • Constructor Summary

    Constructors
    Constructor
    Description
    TrafficLight(String id, Lane lane, org.djunits.value.vdouble.scalar.Length longitudinalPosition)
    Construct an AbstractTrafficLight at default elevation (use only on roads at elevation 0).
    TrafficLight(String id, Lane lane, org.djunits.value.vdouble.scalar.Length longitudinalPosition, org.djunits.value.vdouble.scalar.Length height)
    Construct an AbstractTrafficLight with specified elevation.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addTurnOnRed(Node node)
    Add node GTUs may turn to through red.
    boolean
    canTurnOnRed(Route route, GtuType gtuType)
    Whether a GTU can turn on red.
    final TrafficLightColor
    getTrafficLightColor()
    Get the current traffic light color.
    final TrafficLightColor
    getTrafficLightColor(org.djunits.value.vdouble.scalar.Time time)
    Get the traffic light color in the past.
    final void
    setTrafficLightColor(TrafficLightColor trafficLightColor)
    Set the new traffic light color.
    String
    toString()
     

    Methods inherited from class org.opentrafficsim.road.network.lane.object.AbstractLaneBasedObject

    getFullId, getLane, getLine, getLongitudinalPosition, init

    Methods inherited from class org.opentrafficsim.core.object.StaticObject

    create, create, getBounds, getContour, getHeight, getId, getLocation, getShape

    Methods inherited from class org.djutils.event.LocalEventProducer

    addListener, addListener, addListener, addListener, fireEvent, fireEvent, fireEvent, fireTimedEvent, fireTimedEvent, fireTimedEvent, fireUnverifiedEvent, fireUnverifiedEvent, fireUnverifiedTimedEvent, fireUnverifiedTimedEvent, getEventListenerMap, getEventTypesWithListeners, getListenerReferences, hasListeners, numberOfListeners, removeAllListeners, removeAllListeners, removeListener

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.djutils.event.EventProducer

    addListener, addListener, addListener, addListener, fireEvent, fireEvent, fireEvent, fireTimedEvent, fireTimedEvent, fireTimedEvent, fireUnverifiedEvent, fireUnverifiedEvent, fireUnverifiedTimedEvent, fireUnverifiedTimedEvent, getEventListenerMap, getEventTypesWithListeners, getListenerReferences, hasListeners, numberOfListeners, removeAllListeners, removeAllListeners, removeListener

    Methods inherited from interface org.djutils.base.Identifiable

    getId

    Methods inherited from interface org.opentrafficsim.road.network.lane.object.LaneBasedObject

    getLength, getLocation, getSimulator

    Methods inherited from interface nl.tudelft.simulation.dsol.animation.Locatable

    getDirZ, getZ

    Methods inherited from interface org.opentrafficsim.core.object.LocatedObject

    getHeight

    Methods inherited from interface org.opentrafficsim.base.geometry.OtsLocatable

    getBounds, getShape

    Methods inherited from interface org.opentrafficsim.base.geometry.SpatialObject

    getContour

  • Field Details

    • DEFAULT_TRAFFICLIGHT_ELEVATION

      public static final org.djunits.value.vdouble.scalar.Length DEFAULT_TRAFFICLIGHT_ELEVATION
      Default elevation of a traffic light (above zero; don't use this for lanes at non-zero elevation).

    • TRAFFICLIGHT_CHANGE_EVENT

      public static final org.djutils.event.EventType TRAFFICLIGHT_CHANGE_EVENT
      The timed event type for pub/sub indicating the change of color of a traffic light.
      Payload: Object[] {String trafficLightId, TrafficLight trafficLight, TrafficLightColor newColor}

  • Constructor Details

    • TrafficLight

      public TrafficLight(String id, Lane lane, org.djunits.value.vdouble.scalar.Length longitudinalPosition, org.djunits.value.vdouble.scalar.Length height) throws NetworkException
      Construct an AbstractTrafficLight with specified elevation.
      Parameters:
      id - traffic light id
      lane - lane where the traffic light is located
      longitudinalPosition - position of the traffic light on the lane, in the design direction
      height - the elevation of the traffic light
      Throws:
      NetworkException - on failure to place the object

    • TrafficLight

      public TrafficLight(String id, Lane lane, org.djunits.value.vdouble.scalar.Length longitudinalPosition) throws NetworkException
      Construct an AbstractTrafficLight at default elevation (use only on roads at elevation 0).
      Parameters:
      id - traffic light id
      lane - lane where the traffic light is located
      longitudinalPosition - position of the traffic light on the lane, in the design direction
      Throws:
      NetworkException - on failure to place the object

  • Method Details

    • getTrafficLightColor

      public final TrafficLightColor getTrafficLightColor()
      Get the current traffic light color.
      Returns:
      current traffic light color.

    • getTrafficLightColor

      public final TrafficLightColor getTrafficLightColor(org.djunits.value.vdouble.scalar.Time time)
      Get the traffic light color in the past.
      Parameters:
      time - time to obtain traffic light color.
      Returns:
      current traffic light color.

    • setTrafficLightColor

      public final void setTrafficLightColor(TrafficLightColor trafficLightColor)
      Set the new traffic light color.
      Parameters:
      trafficLightColor - set the trafficLightColor

    • addTurnOnRed

      public void addTurnOnRed(Node node)
      Add node GTUs may turn to through red.
      Parameters:
      node - node.

    • canTurnOnRed

      public boolean canTurnOnRed(Route route, GtuType gtuType)
      Whether a GTU can turn on red.
      Parameters:
      route - route.
      gtuType - GTU type.
      Returns:
      whether a GTU can turn on red.

    • toString

      public String toString()
      Overrides:
      toString in class AbstractLaneBasedObject