View Javadoc
1   package org.opentrafficsim.demo.carFollowing;
2   
3   import static org.opentrafficsim.road.gtu.lane.RoadGTUTypes.CAR;
4   
5   import java.awt.Container;
6   import java.awt.Frame;
7   import java.io.IOException;
8   import java.net.URL;
9   import java.rmi.RemoteException;
10  import java.util.ArrayList;
11  import java.util.Arrays;
12  import java.util.HashSet;
13  import java.util.LinkedHashSet;
14  import java.util.List;
15  import java.util.Random;
16  import java.util.Set;
17  
18  import javax.naming.NamingException;
19  import javax.swing.JComponent;
20  import javax.swing.JPanel;
21  import javax.swing.JScrollPane;
22  import javax.swing.SwingUtilities;
23  
24  import org.djunits.unit.TimeUnit;
25  import org.djunits.unit.UNITS;
26  import org.djunits.value.vdouble.scalar.Acceleration;
27  import org.djunits.value.vdouble.scalar.Duration;
28  import org.djunits.value.vdouble.scalar.Length;
29  import org.djunits.value.vdouble.scalar.Speed;
30  import org.djunits.value.vdouble.scalar.Time;
31  import org.opentrafficsim.base.modelproperties.BooleanProperty;
32  import org.opentrafficsim.base.modelproperties.CompoundProperty;
33  import org.opentrafficsim.base.modelproperties.ProbabilityDistributionProperty;
34  import org.opentrafficsim.base.modelproperties.Property;
35  import org.opentrafficsim.base.modelproperties.PropertyException;
36  import org.opentrafficsim.base.modelproperties.SelectionProperty;
37  import org.opentrafficsim.core.dsol.OTSDEVSSimulatorInterface;
38  import org.opentrafficsim.core.dsol.OTSModelInterface;
39  import org.opentrafficsim.core.dsol.OTSSimTimeDouble;
40  import org.opentrafficsim.core.geometry.OTSGeometryException;
41  import org.opentrafficsim.core.geometry.OTSLine3D;
42  import org.opentrafficsim.core.geometry.OTSPoint3D;
43  import org.opentrafficsim.core.gtu.GTUDirectionality;
44  import org.opentrafficsim.core.gtu.GTUException;
45  import org.opentrafficsim.core.gtu.GTUType;
46  import org.opentrafficsim.core.gtu.animation.GTUColorer;
47  import org.opentrafficsim.core.gtu.behavioralcharacteristics.BehavioralCharacteristics;
48  import org.opentrafficsim.core.network.LongitudinalDirectionality;
49  import org.opentrafficsim.core.network.NetworkException;
50  import org.opentrafficsim.core.network.OTSNetwork;
51  import org.opentrafficsim.core.network.OTSNode;
52  import org.opentrafficsim.graphs.AccelerationContourPlot;
53  import org.opentrafficsim.graphs.ContourPlot;
54  import org.opentrafficsim.graphs.DensityContourPlot;
55  import org.opentrafficsim.graphs.FlowContourPlot;
56  import org.opentrafficsim.graphs.LaneBasedGTUSampler;
57  import org.opentrafficsim.graphs.SpeedContourPlot;
58  import org.opentrafficsim.graphs.TrajectoryPlot;
59  import org.opentrafficsim.road.animation.AnimationToggles;
60  import org.opentrafficsim.road.gtu.animation.DefaultCarAnimation;
61  import org.opentrafficsim.road.gtu.lane.LaneBasedIndividualGTU;
62  import org.opentrafficsim.road.gtu.lane.tactical.LaneBasedGTUFollowingTacticalPlanner;
63  import org.opentrafficsim.road.gtu.lane.tactical.following.GTUFollowingModelOld;
64  import org.opentrafficsim.road.gtu.lane.tactical.following.IDMOld;
65  import org.opentrafficsim.road.gtu.lane.tactical.following.IDMPlusOld;
66  import org.opentrafficsim.road.gtu.strategical.LaneBasedStrategicalPlanner;
67  import org.opentrafficsim.road.gtu.strategical.route.LaneBasedStrategicalRoutePlanner;
68  import org.opentrafficsim.road.modelproperties.IDMPropertySet;
69  import org.opentrafficsim.road.network.factory.LaneFactory;
70  import org.opentrafficsim.road.network.lane.CrossSectionLink;
71  import org.opentrafficsim.road.network.lane.DirectedLanePosition;
72  import org.opentrafficsim.road.network.lane.Lane;
73  import org.opentrafficsim.road.network.lane.LaneType;
74  import org.opentrafficsim.road.network.lane.object.sensor.SinkSensor;
75  import org.opentrafficsim.simulationengine.AbstractWrappableAnimation;
76  import org.opentrafficsim.simulationengine.OTSSimulationException;
77  import org.opentrafficsim.simulationengine.SimpleSimulatorInterface;
78  
79  import nl.tudelft.simulation.dsol.SimRuntimeException;
80  import nl.tudelft.simulation.dsol.gui.swing.HTMLPanel;
81  import nl.tudelft.simulation.dsol.gui.swing.TablePanel;
82  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
83  
84  /**
85   * Single lane road consisting of three consecutive links.<br>
86   * Tests that GTUs correctly transfer themselves onto the next lane and that the graph samplers handle this situation.
87   * <p>
88   * Copyright (c) 2013-2017 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
89   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
90   * <p>
91   * $LastChangedDate: 2017-04-29 15:37:05 +0200 (Sat, 29 Apr 2017) $, @version $Revision: 3579 $, by $Author: averbraeck $,
92   * initial version 30 jan. 2015 <br>
93   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
94   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
95   */
96  public class SequentialLanes extends AbstractWrappableAnimation implements UNITS
97  {
98      /** */
99      private static final long serialVersionUID = 1L;
100 
101     /** The model. */
102     private SequentialModel model;
103 
104     /**
105      * Create a SequentialLanes simulation.
106      * @throws PropertyException when the provided properties could not be handled
107      */
108     public SequentialLanes() throws PropertyException
109     {
110         List<Property<?>> outputProperties = new ArrayList<>();
111         outputProperties.add(new BooleanProperty("DensityPlot", "Density", "Density contour plot", true, false, 0));
112         outputProperties.add(new BooleanProperty("FlowPlot", "Flow", "Flow contour plot", true, false, 1));
113         outputProperties.add(new BooleanProperty("SpeedPlot", "Speed", "Speed contour plot", true, false, 2));
114         outputProperties
115                 .add(new BooleanProperty("AccelerationPlot", "Acceleration", "Acceleration contour plot", true, false, 3));
116         outputProperties.add(
117                 new BooleanProperty("TrajectoryPlot", "Trajectories", "Trajectory (time/distance) diagram", true, false, 4));
118         this.properties.add(new CompoundProperty("OutputGraphs", "Output graphs", "Select the graphical output",
119                 outputProperties, true, 1000));
120     }
121 
122     /** {@inheritDoc} */
123     @Override
124     public final void stopTimersThreads()
125     {
126         super.stopTimersThreads();
127         this.model = null;
128     }
129 
130     /**
131      * Main program.
132      * @param args String[]; the command line arguments (not used)
133      * @throws SimRuntimeException when simulation cannot be created with given parameters
134      */
135     public static void main(final String[] args) throws SimRuntimeException
136     {
137         SwingUtilities.invokeLater(new Runnable()
138         {
139             @SuppressWarnings("synthetic-access")
140             @Override
141             public void run()
142             {
143                 try
144                 {
145                     SequentialLanes sequential = new SequentialLanes();
146                     List<Property<?>> localProperties = sequential.getProperties();
147                     try
148                     {
149                         localProperties.add(new ProbabilityDistributionProperty("TrafficComposition", "Traffic composition",
150                                 "<html>Mix of passenger cars and trucks</html>", new String[] { "passenger car", "truck" },
151                                 new Double[] { 0.8, 0.2 }, false, 10));
152                     }
153                     catch (PropertyException exception)
154                     {
155                         exception.printStackTrace();
156                     }
157                     localProperties.add(new SelectionProperty("CarFollowingModel", "Car following model",
158                             "<html>The car following model determines "
159                                     + "the acceleration that a vehicle will make taking into account "
160                                     + "nearby vehicles, infrastructural restrictions (e.g. speed limit, "
161                                     + "curvature of the road) capabilities of the vehicle and personality "
162                                     + "of the driver.</html>",
163                             new String[] { "IDM", "IDM+" }, 1, false, 1));
164                     localProperties.add(IDMPropertySet.makeIDMPropertySet("IDMCar", "Car",
165                             new Acceleration(1.0, METER_PER_SECOND_2), new Acceleration(1.5, METER_PER_SECOND_2),
166                             new Length(2.0, METER), new Duration(1.0, SECOND), 2));
167                     localProperties.add(IDMPropertySet.makeIDMPropertySet("IDMTruck", "Truck",
168                             new Acceleration(0.5, METER_PER_SECOND_2), new Acceleration(1.25, METER_PER_SECOND_2),
169                             new Length(2.0, METER), new Duration(1.0, SECOND), 3));
170                     sequential.buildAnimator(Time.ZERO, Duration.ZERO, new Duration(3600.0, SECOND),
171                             localProperties, null, true);
172                     sequential.panel.getTabbedPane().addTab("info", sequential.makeInfoPane());
173                 }
174                 catch (SimRuntimeException | NamingException | OTSSimulationException | PropertyException exception)
175                 {
176                     exception.printStackTrace();
177                 }
178             }
179         });
180     }
181     
182     /** {@inheritDoc} */
183     @Override
184     protected final void addAnimationToggles()
185     {
186         AnimationToggles.setTextAnimationTogglesStandard(this);
187     }
188 
189     /** {@inheritDoc} */
190     @Override
191     protected final OTSModelInterface makeModel(final GTUColorer colorer)
192     {
193         this.model = new SequentialModel(this.savedUserModifiedProperties, colorer);
194         return this.model;
195     }
196 
197     /**
198      * @return an info pane to be added to the tabbed pane.
199      */
200     protected final JComponent makeInfoPane()
201     {
202         // Make the info tab
203         String helpSource = "/" + StraightModel.class.getPackage().getName().replace('.', '/') + "/IDMPlus.html";
204         URL page = StraightModel.class.getResource(helpSource);
205         if (page != null)
206         {
207             try
208             {
209                 HTMLPanel htmlPanel = new HTMLPanel(page);
210                 return new JScrollPane(htmlPanel);
211             }
212             catch (IOException exception)
213             {
214                 exception.printStackTrace();
215             }
216         }
217         return new JPanel();
218     }
219 
220     /** {@inheritDoc} */
221     @Override
222     protected final void addTabs(final SimpleSimulatorInterface simulator) throws OTSSimulationException, PropertyException
223     {
224         // Make the tab with the plots
225         Property<?> output = new CompoundProperty("", "", "", this.properties, false, 0).findByKey("OutputGraphs");
226         if (null == output)
227         {
228             throw new Error("Cannot find output properties");
229         }
230         ArrayList<BooleanProperty> graphs = new ArrayList<>();
231         if (output instanceof CompoundProperty)
232         {
233             CompoundProperty outputProperties = (CompoundProperty) output;
234             for (Property<?> ap : outputProperties.getValue())
235             {
236                 if (ap instanceof BooleanProperty)
237                 {
238                     BooleanProperty bp = (BooleanProperty) ap;
239                     if (bp.getValue())
240                     {
241                         graphs.add(bp);
242                     }
243                 }
244             }
245         }
246         else
247         {
248             throw new Error("output properties should be compound");
249         }
250         int graphCount = graphs.size();
251         int columns = (int) Math.ceil(Math.sqrt(graphCount));
252         int rows = 0 == columns ? 0 : (int) Math.ceil(graphCount * 1.0 / columns);
253         TablePanel charts = new TablePanel(columns, rows);
254 
255         for (int i = 0; i < graphCount; i++)
256         {
257             String graphName = graphs.get(i).getKey();
258             Container container = null;
259             LaneBasedGTUSampler graph;
260             if (graphName.contains("Trajectories"))
261             {
262                 TrajectoryPlot tp =
263                         new TrajectoryPlot("TrajectoryPlot", new Duration(0.5, SECOND), this.model.getPath(), simulator);
264                 tp.setTitle("Trajectory Graph");
265                 tp.setExtendedState(Frame.MAXIMIZED_BOTH);
266                 graph = tp;
267                 container = tp.getContentPane();
268             }
269             else
270             {
271                 ContourPlot cp;
272                 if (graphName.contains("Density"))
273                 {
274                     cp = new DensityContourPlot("DensityPlot", this.model.getPath());
275                     cp.setTitle("Density Contour Graph");
276                 }
277                 else if (graphName.contains("Speed"))
278                 {
279                     cp = new SpeedContourPlot("SpeedPlot", this.model.getPath());
280                     cp.setTitle("Speed Contour Graph");
281                 }
282                 else if (graphName.contains("Flow"))
283                 {
284                     cp = new FlowContourPlot("FlowPlot", this.model.getPath());
285                     cp.setTitle("Flow Contour Graph");
286                 }
287                 else if (graphName.contains("Acceleration"))
288                 {
289                     cp = new AccelerationContourPlot("AccelerationPlot", this.model.getPath());
290                     cp.setTitle("Acceleration Contour Graph");
291                 }
292                 else
293                 {
294                     continue;
295                     // throw new Error("Unhandled type of contourplot: " + graphName);
296                 }
297                 graph = cp;
298                 container = cp.getContentPane();
299             }
300             // Add the container to the matrix
301             charts.setCell(container, i % columns, i / columns);
302             this.model.getPlots().add(graph);
303         }
304         addTab(getTabCount(), "statistics", charts);
305     }
306 
307     /** {@inheritDoc} */
308     @Override
309     public final String shortName()
310     {
311         return "Sequential Lanes";
312     }
313 
314     /** {@inheritDoc} */
315     @Override
316     public final String description()
317     {
318         return "<html><h1>Simulation of a straight one-lane road consisting of three consecutive Links</H1>"
319                 + "Simulation of a single lane road consisting of two 1 km stretches with a 1m stretch in between. "
320                 + "This will test transition of a GTU from one lane section onto the next.<br>"
321                 + "Vehicles are generated at a constant rate of 1500 veh/hour.<br>"
322                 + "Selected trajectory and contour plots are generated during the simulation.</html>";
323     }
324 
325 }
326 
327 /**
328  * Build the sequential model.
329  * <p>
330  * Copyright (c) 2013-2017 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
331  * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
332  * <p>
333  * $LastChangedDate: 2017-04-29 15:37:05 +0200 (Sat, 29 Apr 2017) $, @version $Revision: 3579 $, by $Author: averbraeck $,
334  * initial version 0 jan. 2015 <br>
335  * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
336  */
337 class SequentialModel implements OTSModelInterface, UNITS
338 {
339     /** */
340     private static final long serialVersionUID = 20150130L;
341 
342     /** The simulator. */
343     private OTSDEVSSimulatorInterface simulator;
344 
345     /** The network. */
346     private final OTSNetwork network = new OTSNetwork("network");
347 
348     /** The nodes of our network in the order that all GTUs will visit them. */
349     private List<OTSNode> nodes = new ArrayList<>();
350 
351     /** The car following model, e.g. IDM Plus for cars. */
352     private GTUFollowingModelOld carFollowingModelCars;
353 
354     /** The car following model, e.g. IDM Plus for trucks. */
355     private GTUFollowingModelOld carFollowingModelTrucks;
356 
357     /** The probability that the next generated GTU is a passenger car. */
358     private double carProbability;
359 
360     /** The headway (inter-vehicle time). */
361     private Duration headway;
362 
363     /** Number of cars created. */
364     private int carsCreated = 0;
365 
366     /** Type of all GTUs. */
367     private GTUType gtuType = CAR;
368 
369     /** Minimum distance. */
370     private Length minimumDistance = new Length(0, METER);
371 
372     /** The Lane where newly created Cars initially placed on. */
373     private Lane initialLane;
374 
375     /** Maximum distance. */
376     private Length maximumDistance = new Length(2001, METER);
377 
378     /** The contour plots. */
379     private List<LaneBasedGTUSampler> plots = new ArrayList<>();
380 
381     /** The random number generator used to decide what kind of GTU to generate. */
382     private Random randomGenerator = new Random(12345);
383 
384     /** User settable properties. */
385     private List<Property<?>> properties = null;
386 
387     /** The sequence of Lanes that all vehicles will follow. */
388     private List<Lane> path = new ArrayList<>();
389 
390     /** The speedLimit on all Lanes. */
391     private Speed speedLimit;
392 
393     /** The GTUColorer for the generated vehicles. */
394     private final GTUColorer gtuColorer;
395 
396     /**
397      * @param properties the user settable properties
398      * @param gtuColorer the default and initial GTUColorer, e.g. a DefaultSwitchableTUColorer.
399      */
400     SequentialModel(final List<Property<?>> properties, final GTUColorer gtuColorer)
401     {
402         this.properties = properties;
403         this.gtuColorer = gtuColorer;
404     }
405 
406     /**
407      * @return a newly created path (which all GTUs in this simulation will follow).
408      */
409     public List<Lane> getPath()
410     {
411         return new ArrayList<>(this.path);
412     }
413 
414     /** {@inheritDoc} */
415     @Override
416     public final void constructModel(final SimulatorInterface<Time, Duration, OTSSimTimeDouble> theSimulator)
417             throws SimRuntimeException, RemoteException
418     {
419         this.simulator = (OTSDEVSSimulatorInterface) theSimulator;
420         this.speedLimit = new Speed(100, KM_PER_HOUR);
421 
422         // TODO Bezier curves make 180 degree mistake when minus is true
423         boolean minus = false;
424 
425         this.nodes = new ArrayList<>();
426         try
427         {
428             OTSNode n0 = new OTSNode(this.network, "Node(0,0)", new OTSPoint3D(0, 0));
429             OTSNode n1 = new OTSNode(this.network, "Node(1000,0)", new OTSPoint3D(1000, 0));
430             OTSNode n2 = new OTSNode(this.network, "Node(1020,3)", new OTSPoint3D(1020, 3));
431             OTSNode n3 = new OTSNode(this.network, "Node(2000,197)", new OTSPoint3D(2000, 197));
432             OTSNode n4 = new OTSNode(this.network, "Node(2020,200)", new OTSPoint3D(2020, 200));
433             OTSNode n5 = new OTSNode(this.network, "Node(2200,200)", new OTSPoint3D(2200, 200));
434             this.nodes.addAll(Arrays.asList(new OTSNode[] { n0, n1, n2, n3, n4, n5 }));
435 
436             Set<GTUType> compatibility = new HashSet<>();
437             compatibility.add(this.gtuType);
438             LaneType laneType = new LaneType("CarLane", compatibility);
439 
440             // Now we can build a series of Links with one Lane on them
441             ArrayList<CrossSectionLink> links = new ArrayList<>();
442             OTSLine3D l01 = new OTSLine3D(n0.getPoint(), n1.getPoint());
443             OTSLine3D l12 = LaneFactory.makeBezier(n0, n1, n2, n3);
444             OTSLine3D l23 = minus ? new OTSLine3D(n3.getPoint(), n2.getPoint()) : new OTSLine3D(n2.getPoint(), n3.getPoint());
445             OTSLine3D l34 = LaneFactory.makeBezier(n2, n3, n4, n5);
446             OTSLine3D l45 = new OTSLine3D(n4.getPoint(), n5.getPoint());
447             OTSLine3D[] lines = new OTSLine3D[] { l01, l12, l23, l34, l45 };
448 
449             for (int i = 1; i < this.nodes.size(); i++)
450             {
451                 OTSNode fromNode = this.nodes.get(i - 1);
452                 OTSNode toNode = this.nodes.get(i);
453                 OTSLine3D line = lines[i - 1];
454                 String linkName = fromNode.getId() + "-" + toNode.getId();
455                 LongitudinalDirectionality direction =
456                         line.equals(l23) && minus ? LongitudinalDirectionality.DIR_MINUS : LongitudinalDirectionality.DIR_PLUS;
457                 Lane[] lanes = LaneFactory.makeMultiLane(this.network, linkName, fromNode, toNode, line.getPoints(), 1,
458                         laneType, this.speedLimit, this.simulator, direction);
459                 if (i == this.nodes.size() - 1)
460                 {
461                     new SinkSensor(lanes[0], new Length(100.0, METER), this.simulator);
462                 }
463                 this.path.add(lanes[0]);
464                 links.add(lanes[0].getParentLink());
465                 if (1 == i)
466                 {
467                     this.initialLane = lanes[0];
468                 }
469             }
470         }
471         catch (NamingException | NetworkException | OTSGeometryException exception)
472         {
473             exception.printStackTrace();
474         }
475 
476         // 1500 [veh / hour] == 2.4s headway
477         this.headway = new Duration(3600.0 / 1500.0, SECOND);
478         // Schedule creation of the first car (it will re-schedule itself one headway later, etc.).
479         this.simulator.scheduleEventAbs(Time.ZERO, this, this, "generateCar", null);
480         // Schedule regular updates of the graphs
481         for (int t = 1; t <= 1800; t++)
482         {
483             this.simulator.scheduleEventAbs(new Time(t - 0.001, TimeUnit.BASE_SECOND), this, this, "drawGraphs", null);
484         }
485         try
486         {
487             String carFollowingModelName = null;
488             CompoundProperty propertyContainer = new CompoundProperty("", "", "", this.properties, false, 0);
489             Property<?> cfmp = propertyContainer.findByKey("CarFollowingModel");
490             if (null == cfmp)
491             {
492                 throw new Error("Cannot find \"Car following model\" property");
493             }
494             if (cfmp instanceof SelectionProperty)
495             {
496                 carFollowingModelName = ((SelectionProperty) cfmp).getValue();
497             }
498             else
499             {
500                 throw new Error("\"Car following model\" property has wrong type");
501             }
502             for (Property<?> ap : new CompoundProperty("", "", "", this.properties, false, 0))
503             {
504                 if (ap instanceof SelectionProperty)
505                 {
506                     SelectionProperty sp = (SelectionProperty) ap;
507                     if ("CarFollowingModel".equals(sp.getKey()))
508                     {
509                         carFollowingModelName = sp.getValue();
510                     }
511                 }
512                 else if (ap instanceof ProbabilityDistributionProperty)
513                 {
514                     ProbabilityDistributionProperty pdp = (ProbabilityDistributionProperty) ap;
515                     if (ap.getKey().equals("TrafficComposition"))
516                     {
517                         this.carProbability = pdp.getValue()[0];
518                     }
519                 }
520                 else if (ap instanceof CompoundProperty)
521                 {
522                     CompoundProperty cp = (CompoundProperty) ap;
523                     if (ap.getKey().equals("OutputGraphs"))
524                     {
525                         continue; // Output settings are handled elsewhere
526                     }
527                     if (ap.getKey().contains("IDM"))
528                     {
529                         // System.out.println("Car following model name appears to be " + ap.getKey());
530                         Acceleration a = IDMPropertySet.getA(cp);
531                         Acceleration b = IDMPropertySet.getB(cp);
532                         Length s0 = IDMPropertySet.getS0(cp);
533                         Duration tSafe = IDMPropertySet.getTSafe(cp);
534                         GTUFollowingModelOld gtuFollowingModel = null;
535                         if (carFollowingModelName.equals("IDM"))
536                         {
537                             gtuFollowingModel = new IDMOld(a, b, s0, tSafe, 1.0);
538                         }
539                         else if (carFollowingModelName.equals("IDM+"))
540                         {
541                             gtuFollowingModel = new IDMPlusOld(a, b, s0, tSafe, 1.0);
542                         }
543                         else
544                         {
545                             throw new Error("Unknown gtu following model: " + carFollowingModelName);
546                         }
547                         if (ap.getKey().contains("Car"))
548                         {
549                             this.carFollowingModelCars = gtuFollowingModel;
550                         }
551                         else if (ap.getKey().contains("Truck"))
552                         {
553                             this.carFollowingModelTrucks = gtuFollowingModel;
554                         }
555                         else
556                         {
557                             throw new Error("Cannot determine gtu type for " + ap.getKey());
558                         }
559                     }
560                 }
561             }
562         }
563         catch (Exception e)
564         {
565             System.out.println("Caught exception " + e);
566         }
567     }
568 
569     /** {@inheritDoc} */
570     @Override
571     public SimulatorInterface<Time, Duration, OTSSimTimeDouble> getSimulator() throws RemoteException
572     {
573         return this.simulator;
574     }
575 
576     /** {@inheritDoc} */
577     @Override
578     public OTSNetwork getNetwork()
579     {
580         return this.network;
581     }
582 
583     /**
584      * @return contourPlots
585      */
586     public final List<LaneBasedGTUSampler> getPlots()
587     {
588         return this.plots;
589     }
590 
591     /**
592      * @return minimumDistance
593      */
594     public final Length getMinimumDistance()
595     {
596         return this.minimumDistance;
597     }
598 
599     /**
600      * @return maximumDistance
601      */
602     public final Length getMaximumDistance()
603     {
604         return this.maximumDistance;
605     }
606 
607     /**
608      * Notify the contour plots that the underlying data has changed.
609      */
610     protected final void drawGraphs()
611     {
612         for (LaneBasedGTUSampler plot : this.plots)
613         {
614             plot.reGraph();
615         }
616     }
617 
618     /**
619      * Generate cars at a fixed rate (implemented by re-scheduling this method).
620      */
621     protected final void generateCar()
622     {
623         boolean generateTruck = this.randomGenerator.nextDouble() > this.carProbability;
624         Length initialPosition = new Length(0, METER);
625         Speed initialSpeed = new Speed(100, KM_PER_HOUR);
626         Set<DirectedLanePosition> initialPositions = new LinkedHashSet<>(1);
627         try
628         {
629             initialPositions.add(new DirectedLanePosition(this.initialLane, initialPosition, GTUDirectionality.DIR_PLUS));
630             Length vehicleLength = new Length(generateTruck ? 15 : 4, METER);
631             GTUFollowingModelOld gtuFollowingModel = generateTruck ? this.carFollowingModelTrucks : this.carFollowingModelCars;
632             if (null == gtuFollowingModel)
633             {
634                 throw new Error("gtuFollowingModel is null");
635             }
636             BehavioralCharacteristics behavioralCharacteristics = DefaultsFactory.getDefaultBehavioralCharacteristics();
637             LaneBasedIndividualGTU gtu = new LaneBasedIndividualGTU("" + (++this.carsCreated), this.gtuType, vehicleLength,
638                     new Length(1.8, METER), new Speed(200, KM_PER_HOUR), this.simulator, this.network);
639             LaneBasedStrategicalPlanner strategicalPlanner = new LaneBasedStrategicalRoutePlanner(behavioralCharacteristics,
640                     new LaneBasedGTUFollowingTacticalPlanner(gtuFollowingModel, gtu), gtu);
641             gtu.initWithAnimation(strategicalPlanner, initialPositions, initialSpeed, DefaultCarAnimation.class,
642                     this.gtuColorer);
643             this.simulator.scheduleEventRel(this.headway, this, this, "generateCar", null);
644         }
645         catch (SimRuntimeException | NamingException | NetworkException | GTUException | OTSGeometryException exception)
646         {
647             exception.printStackTrace();
648         }
649     }
650 
651 }