ReferenceSpeed.java
- package org.opentrafficsim.road.network.sampling.data;
- import org.djunits.unit.SpeedUnit;
- import org.djunits.value.vfloat.scalar.FloatSpeed;
- import org.opentrafficsim.core.gtu.GTUException;
- import org.opentrafficsim.core.network.NetworkException;
- import org.opentrafficsim.kpi.sampling.data.ExtendedDataTypeSpeed;
- import org.opentrafficsim.road.gtu.lane.LaneBasedGTU;
- import org.opentrafficsim.road.network.sampling.GtuData;
- /**
- * Reference speed for trajectories.
- * <p>
- * Copyright (c) 2013-2018 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/node/13">OpenTrafficSim License</a>.
- * <p>
- * @version $Revision$, $LastChangedDate$, by $Author$, initial version 21 nov. 2016 <br>
- * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
- * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
- * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
- */
- public class ReferenceSpeed extends ExtendedDataTypeSpeed<GtuData>
- {
- /**
- *
- */
- public ReferenceSpeed()
- {
- super("referenceSpeed");
- }
- /** {@inheritDoc} */
- @Override
- public final FloatSpeed getValue(final GtuData gtu)
- {
- LaneBasedGTU gtuObj = gtu.getGtu();
- try
- {
- double v1 = gtuObj.getReferencePosition().getLane().getSpeedLimit(gtuObj.getGTUType()).si;
- double v2 = gtuObj.getMaximumSpeed().si;
- return new FloatSpeed(v1 < v2 ? v1 : v2, SpeedUnit.SI);
- }
- catch (@SuppressWarnings("unused") GTUException exception)
- {
- // GTU was destroyed and is without a reference location
- return new FloatSpeed(Double.NaN, SpeedUnit.SI);
- }
- catch (NetworkException exception)
- {
- throw new RuntimeException("Could not obtain reference speed from GTU " + gtuObj, exception);
- }
- }
- /** {@inheritDoc} */
- @Override
- public final String toString()
- {
- return "Reference Speed";
- }
- }