1 package org.opentrafficsim.kpi.sampling;
2
3 /**
4 * <p>
5 * Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
6 * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
7 * <p>
8 * @version $Revision$, $LastChangedDate$, by $Author$, initial version 12 okt. 2016 <br>
9 * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
10 * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
11 * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
12 */
13 public enum KpiGtuDirectionality
14 {
15
16 /**
17 * Driving direction matches the direction of the graph, increasing fractional position when driving in this direction.
18 */
19 DIR_PLUS,
20
21 /**
22 * Driving direction opposite to the direction of the graph, decreasing fractional position when driving in this direction.
23 */
24 DIR_MINUS;
25
26 /**
27 * @return whether the gtu drives in the design direction on the link
28 */
29 public boolean isPlus()
30 {
31 return this.equals(DIR_PLUS);
32 }
33
34 /**
35 * @return whether the gtu drives against the design direction on the link
36 */
37 public boolean isMinus()
38 {
39 return this.equals(DIR_MINUS);
40 }
41
42 }