LanePathInfo.java
package org.opentrafficsim.road.gtu.lane.tactical;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import org.djunits.value.vdouble.scalar.Length;
import org.opentrafficsim.core.geometry.OTSLine3D;
import org.opentrafficsim.road.network.lane.Lane;
import org.opentrafficsim.road.network.lane.LaneDirection;
/**
* This class provides the following information for an operational plan:
* <ul>
* <li>the lanes to follow, with the direction to drive on them</li>
* <li>the starting point on the first lane</li>
* <li>the path to follow when staying on the same lane</li>
* </ul>
* <p>
* Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
* </p>
* $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
* initial version Dec 31, 2015 <br>
* @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
*/
public class LanePathInfo implements Serializable
{
/** */
private static final long serialVersionUID = 20151231L;
/**
* The path it the GTU keeps driving in the same lane, and follows the route if possible in the same lane. The path stops
* when the lane or a continuation lane does not lead in the direction of the route provided by the strategical planner.
*/
private final OTSLine3D path;
/**
* The current lane on which the reference point of the GTU is registered (if the GTU is registered on multiple lanes with
* the reference point, one lane is chosen where the reference point has a fractional lane position between 0.0 and 1.0),
* and consecutive lanes that follow the route if possible in the same lane. The list of lanes stops when a continuation
* lane does not lead in the direction of the route provided by the strategical planner. For each lane, the direction to
* drive is provided.
*/
private final List<LaneDirection> laneDirectionList;
/**
* The start point on the first lane in the laneDirectionList. When this is a point that represents a GTU position, it
* should represent the reference point of the GTU.
*/
private final Length referencePosition;
/**
* @param path the path it the GTU keeps driving in the same lane, and follows the route if possible in the same lane. The
* path stops when the lane or a continuation lane does not lead in the direction of the route provided by the
* strategical planner.
* @param laneDirectionList the current lane on which the reference point of the GTU is registered (if the GTU is registered
* on multiple lanes with the reference point, one lane is chosen where the reference point has a fractional lane
* position between 0.0 and 1.0), and consecutive lanes that follow the route if possible in the same lane. The
* list of lanes stops when a continuation lane does not lead in the direction of the route provided by the
* strategical planner. For each lane, the direction to drive is provided.
* @param referencePosition the start point on the first lane in the laneDirectionList. When this is a point that represents
* a GTU position, it should represent the reference point of the GTU.
*/
public LanePathInfo(final OTSLine3D path, final List<LaneDirection> laneDirectionList, final Length referencePosition)
{
super();
this.path = path;
this.laneDirectionList = laneDirectionList;
this.referencePosition = referencePosition;
}
/**
* @return path the path it the GTU keeps driving in the same lane, and follows the route if possible in the same lane. The
* path stops when the lane or a continuation lane does not lead in the direction of the route provided by the
* strategical planner.
*/
public final OTSLine3D getPath()
{
return this.path;
}
/**
* @return laneList the current lane on which the reference point of the GTU is registered (if the GTU is registered on
* multiple lanes with the reference point, one lane is chosen where the reference point has a fractional lane
* position between 0.0 and 1.0), and consecutive lanes that follow the route if possible in the same lane. The list
* of lanes stops when a continuation lane does not lead in the direction of the route provided by the strategical
* planner. For each lane, the direction to drive is provided.
*/
public final List<LaneDirection> getLaneDirectionList()
{
return this.laneDirectionList;
}
/**
* @return list of lanes
*/
public final List<Lane> getLanes()
{
List<Lane> lanes = new ArrayList<>();
for (LaneDirection ld : this.laneDirectionList)
{
lanes.add(ld.getLane());
}
return lanes;
}
/**
* The reference lane is the widest lane on which the reference point of the GTU is fully registered.
* @return the reference lane on which the GTU is registered, plus the driving direction on this lane, or null if the GTU is
* not registered on any lane.
*/
public final LaneDirection getReferenceLaneDirection()
{
return this.laneDirectionList.isEmpty() ? null : this.laneDirectionList.get(0);
}
/**
* The reference lane is the widest lane on which the reference point of the GTU is fully registered.
* @return the reference lane on which the GTU is registered, or null if the GTU is not registered on any lane.
*/
public final Lane getReferenceLane()
{
return this.laneDirectionList.isEmpty() ? null : this.laneDirectionList.get(0).getLane();
}
/**
* @return the start point on the first lane in the laneDirectionList. When this is a point that represents a GTU position,
* it should represent the reference point of the GTU.
*/
public final Length getReferencePosition()
{
return this.referencePosition;
}
/** {@inheritDoc} */
@Override
public final String toString()
{
return "LanePathInfo [path=" + this.path + ", laneDirectionList=" + this.laneDirectionList + ", referencePosition="
+ this.referencePosition + "]";
}
}