1 package org.opentrafficsim.graphs;
2
3 import static org.junit.Assert.assertEquals;
4
5 import org.junit.Test;
6 import org.opentrafficsim.core.OTS_SCALAR;
7 import org.opentrafficsim.core.network.NetworkException;
8 import org.opentrafficsim.road.car.LaneBasedIndividualCar;
9 import org.opentrafficsim.road.network.lane.Lane;
10
11 /**
12 * <p>
13 * Copyright (c) 2013-2015 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
14 * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
15 * <p>
16 * $LastChangedDate: 2015-09-14 01:33:02 +0200 (Mon, 14 Sep 2015) $, @version $Revision: 1401 $, by $Author: averbraeck $,
17 * initial version Aug 22, 2014 <br>
18 * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
19 */
20 public class TrajectoryPlotTest implements OTS_SCALAR
21 {
22 /** Sample interval for the TrajectoryPlot. */
23 Time.Rel sampleInterval = new Time.Rel(0.25, SECOND);
24
25 /**
26 * Test the TrajectoryPlot.
27 * @throws Exception which should not happen, but will be treated as an error by the JUnit framework if it does
28 */
29 @Test
30 public final void trajectoryTest() throws Exception
31 {
32 Length.Rel minimumDistance = new Length.Rel(1234, METER);
33 Length.Rel maximumDistance = new Length.Rel(12345, METER);
34
35 // TODO adapt to new path (List<Lane>) concept
36 /*-
37 TrajectoryPlot tp = new TrajectoryPlot("Trajectory", this.sampleInterval, minimumDistance, maximumDistance);
38 assertTrue("newly created DensityContourPlot should not be null", null != tp);
39 assertEquals("Number of trajectories should initially be 0", 0, tp.getSeriesCount());
40 for (int i = -10; i <= 10; i++)
41 {
42 assertEquals("SeriesKey(" + i + ") should return " + i, i, tp.getSeriesKey(i));
43 }
44 assertEquals("Domain order should be ASCENDING", DomainOrder.ASCENDING, tp.getDomainOrder());
45 // Create a car running 50 km.h
46 Length.Rel initialPosition = new Length.Rel(2000, METER);
47 Speed.Abs initialSpeed = new Speed.Abs(50, KM_PER_HOUR);
48 GTUType carType = new GTUType("Car");
49 Length.Rel length = new Length.Rel(5.0, METER);
50 Length.Rel width = new Length.Rel(2.0, METER);
51 Map<Lane, Length.Rel> initialLongitudinalPositions = new HashMap<>();
52 Lane lane = CarTest.makeLane();
53 initialLongitudinalPositions.put(lane, initialPosition);
54 OTSDEVSSimulator simulator = CarTest.makeSimulator();
55 // We want to start the car simulation at t=100s; therefore we have to advance the simulator up to that time.
56 simulateUntil(new Time.Abs(100, SECOND), simulator);
57 Speed.Abs maxSpeed = new Speed.Abs(120, KM_PER_HOUR);
58 Car car =
59 new Car(12345, carType, null, initialLongitudinalPositions, initialSpeed, length, width, maxSpeed,
60 simulator);
61 // Make the car accelerate with constant acceleration of 0.05 m/s/s for 400 seconds
62 Time.Rel duration = new Time.Rel(400, SECOND);
63 Time.Abs endTime = DoubleScalar.plus(simulator.getSimulatorTime().getTime(), duration);
64 car.setState(new GTUFollowingModelResult(new Acceleration.Abs(0.05,
65 METER_PER_SECOND_2), endTime));
66 // System.out.println("Car end position " + car.getPosition(car.getNextEvaluationTime()));
67 tp.addData(car);
68 assertEquals("Number of trajectories should now be 1", 1, tp.getSeriesCount());
69 verifyTrajectory(car, 0, tp);
70 simulateUntil(new Time.Abs(150, SECOND), simulator);
71 Car secondCar =
72 new Car(2, carType, null, initialLongitudinalPositions, initialSpeed, length, width, maxSpeed,
73 simulator);
74 // Make the second car accelerate with constant acceleration of 0.03 m/s/s for 500 seconds
75 secondCar.setState(new GTUFollowingModelResult(new Acceleration.Abs(0.03,
76 METER_PER_SECOND_2), endTime));
77 // System.out.println("Second car end position " + car.getPosition(secondCar.getNextEvaluationTime()));
78 tp.addData(secondCar);
79 assertEquals("Number of trajectories should now be 2", 2, tp.getSeriesCount());
80 verifyTrajectory(car, 0, tp); // first car trajectory should not change by adding the second
81 verifyTrajectory(secondCar, 1, tp);
82 // Check the updateHint method in the PointerHandler
83 // First get the panel that stores the result of updateHint (this is ugly)
84 JLabel hintPanel = null;
85 ChartPanel chartPanel = null;
86 for (Component c0 : tp.getComponents())
87 {
88 for (Component c1 : ((Container) c0).getComponents())
89 {
90 if (c1 instanceof Container)
91 {
92 for (Component c2 : ((Container) c1).getComponents())
93 {
94 // System.out.println("c2 is " + c2);
95 if (c2 instanceof Container)
96 {
97 for (Component c3 : ((Container) c2).getComponents())
98 {
99 // System.out.println("c3 is " + c3);
100 if (c3 instanceof JLabel)
101 {
102 if (null == hintPanel)
103 {
104 hintPanel = (JLabel) c3;
105 }
106 else
107 {
108 fail("There should be only one JPanel in a ContourPlot");
109 }
110 }
111 if (c3 instanceof ChartPanel)
112 {
113 if (null == chartPanel)
114 {
115 chartPanel = (ChartPanel) c3;
116 }
117 else
118 {
119 fail("There should be only one ChartPanel in a ContourPlot");
120 }
121 }
122 }
123 }
124 }
125 }
126 }
127 }
128 if (null == hintPanel)
129 {
130 fail("Could not find a JLabel in ContourPlot");
131 }
132 if (null == chartPanel)
133 {
134 fail("Could not find a ChartPanel in ContourPlot");
135 }
136 assertEquals("Initially the text should be a single space", " ", hintPanel.getText());
137 PointerHandler ph = null;
138 for (MouseListener ml : chartPanel.getMouseListeners())
139 {
140 if (ml instanceof PointerHandler)
141 {
142 if (null == ph)
143 {
144 ph = (PointerHandler) ml;
145 }
146 else
147 {
148 fail("There should be only one PointerHandler on the chartPanel");
149 }
150 }
151 }
152 if (null == ph)
153 {
154 fail("Could not find the PointerHandler for the chartPanel");
155 }
156 ph.updateHint(1, 2);
157 // System.out.println("Hint text is now " + hintPanel.getText());
158 assertFalse("Hint should not be a single space", " ".equals(hintPanel.getText()));
159 ph.updateHint(Double.NaN, Double.NaN);
160 assertEquals("The text should again be a single space", " ", hintPanel.getText());
161 */
162 }
163
164 /**
165 * Verify that a sampled trajectory matches the actual trajectory.
166 * @param car Car; the car whose trajectory was sampled
167 * @param series Integer; the series in the TrajectoryPlot that should correspond to the car
168 * @param tp TrajectoryPlot; the TrajectoryPlot that contains the samples
169 * @throws NetworkException when car is not on lane anymore
170 */
171 private void verifyTrajectory(final LaneBasedIndividualCar car, final int series, final TrajectoryPlot tp)
172 throws NetworkException
173 {
174 // XXX we take the first (and only) lane on which the vehicle is registered.
175 Lane lane = car.positions(car.getFront()).keySet().iterator().next();
176 Time.Abs initialTime = car.getLastEvaluationTime();
177 Time.Rel duration = car.getNextEvaluationTime().minus(car.getLastEvaluationTime());
178 int expectedNumberOfSamples = (int) (duration.getSI() / this.sampleInterval.getSI());
179 assertEquals("Number of samples in trajectory should be ", expectedNumberOfSamples, tp.getItemCount(series));
180 // Check that the stored trajectory accurately matches the trajectory of the car at all sampling times
181 for (int sample = 0; sample < expectedNumberOfSamples; sample++)
182 {
183 Time.Rel deltaTime = new Time.Rel(this.sampleInterval.getSI() * sample, SECOND);
184 Time.Abs sampleTime = initialTime.plus(deltaTime);
185 double sampledTime = tp.getXValue(series, sample);
186 assertEquals("Sample should have been taken at " + sampleTime, sampleTime.getSI(), sampledTime, 0.0001);
187 sampledTime = tp.getX(series, sample).doubleValue();
188 assertEquals("Sample should have been taken at " + sampleTime, sampleTime.getSI(), sampledTime, 0.0001);
189 Length.Rel actualPosition = car.position(lane, car.getFront(), sampleTime);
190 double sampledPosition = tp.getYValue(series, sample);
191 assertEquals("Sample position should have been " + actualPosition, actualPosition.getSI(), sampledPosition,
192 0.0001);
193 sampledPosition = tp.getY(series, sample).doubleValue();
194 assertEquals("Sample position should have been " + actualPosition, actualPosition.getSI(), sampledPosition,
195 0.0001);
196 }
197 }
198
199 }