1 package org.opentrafficsim.kpi.sampling.data;
2
3 import java.util.Optional;
4
5 import org.djunits.value.vfloat.scalar.FloatSpeed;
6 import org.opentrafficsim.kpi.interfaces.GtuData;
7
8 /**
9 * Reference speed for trajectories, as defined by the used GtuData.
10 * <p>
11 * Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
12 * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
13 * </p>
14 * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
15 * @author <a href="https://github.com/peter-knoppers">Peter Knoppers</a>
16 * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
17 */
18 public class ReferenceSpeed extends ExtendedDataSpeed<GtuData>
19 {
20
21 /** Single instance. */
22 public static final ReferenceSpeed INSTANCE = new ReferenceSpeed();
23
24 /**
25 * Constructor.
26 */
27 public ReferenceSpeed()
28 {
29 super("referenceSpeed", "Reference speed");
30 }
31
32 @Override
33 public final Optional<FloatSpeed> getValue(final GtuData gtu)
34 {
35 return Optional.of(FloatSpeed.ofSI((float) gtu.getReferenceSpeed().si));
36 }
37
38 @Override
39 public final String toString()
40 {
41 return "Reference Speed";
42 }
43
44 }