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1   package org.opentrafficsim.road.network.lane;
2   
3   import java.util.LinkedHashMap;
4   import java.util.LinkedHashSet;
5   import java.util.List;
6   import java.util.Map;
7   import java.util.Set;
8   import java.util.UUID;
9   
10  import org.djunits.value.vdouble.scalar.Length;
11  import org.opentrafficsim.core.geometry.OTSGeometryException;
12  import org.opentrafficsim.core.gtu.GTUType;
13  import org.opentrafficsim.core.network.LateralDirectionality;
14  import org.opentrafficsim.core.network.NetworkException;
15  
16  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
17  
18  /**
19   * <p>
20   * Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
21   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
22   * <p>
23   * $LastChangedDate: 2015-09-03 13:38:01 +0200 (Thu, 03 Sep 2015) $, @version $Revision: 1378 $, by $Author: averbraeck $,
24   * initial version Oct 25, 2014 <br>
25   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
26   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
27   */
28  public abstract class RoadMarkerAlong extends CrossSectionElement
29  {
30      /** */
31      private static final long serialVersionUID = 20141025L;
32  
33      /** Lateral permeability per GTU type and direction. */
34      private final Map<GTUType, Set<LateralDirectionality>> permeabilityMap = new LinkedHashMap<>();
35  
36      /**
37       * <b>Note:</b> LEFT is seen as a positive lateral direction, RIGHT as a negative lateral direction, with the direction from
38       * the StartNode towards the EndNode as the longitudinal direction.
39       * @param parentLink CrossSectionLink; Cross Section Link to which the element belongs.
40       * @param startCenterPosition Length; the lateral start position compared to the linear geometry of the Cross Section Link
41       *            at the start of the road marker.
42       * @param endCenterPosition Length; the lateral end position compared to the linear geometry of the Cross Section Link at
43       *            the end of the road marker.
44       * @param beginWidth Length; start width, positioned &lt;i&gt;symmetrically around&lt;/i&gt; the lateral start position.
45       * @param endWidth Length; end width, positioned &lt;i&gt;symmetrically around&lt;/i&gt; the lateral end position.
46       * @param fixGradualLateralOffset boolean; true if gradualLateralOffset needs to be fixed
47       * @throws OTSGeometryException when creation of the center line or contour geometry fails
48       * @throws NetworkException when id equal to null or not unique
49       */
50      public RoadMarkerAlong(final CrossSectionLink parentLink, final Length startCenterPosition, final Length endCenterPosition,
51              final Length beginWidth, final Length endWidth, final boolean fixGradualLateralOffset)
52              throws OTSGeometryException, NetworkException
53      {
54          super(parentLink, UUID.randomUUID().toString(), startCenterPosition, endCenterPosition, beginWidth, endWidth,
55                  fixGradualLateralOffset);
56      }
57  
58      /**
59       * <b>Note:</b> LEFT is seen as a positive lateral direction, RIGHT as a negative lateral direction, with the direction from
60       * the StartNode towards the EndNode as the longitudinal direction.
61       * @param parentLink CrossSectionLink; Cross Section Link to which the element belongs.
62       * @param startCenterPosition Length; the lateral start position compared to the linear geometry of the Cross Section Link
63       *            at the start of the road marker.
64       * @param endCenterPosition Length; the lateral end position compared to the linear geometry of the Cross Section Link at
65       *            the end of the road marker.
66       * @param beginWidth Length; start width, positioned &lt;i&gt;symmetrically around&lt;/i&gt; the lateral start position.
67       * @param endWidth Length; end width, positioned &lt;i&gt;symmetrically around&lt;/i&gt; the lateral end position.
68       * @throws OTSGeometryException when creation of the center line or contour geometry fails
69       * @throws NetworkException when id equal to null or not unique
70       */
71      public RoadMarkerAlong(final CrossSectionLink parentLink, final Length startCenterPosition, final Length endCenterPosition,
72              final Length beginWidth, final Length endWidth) throws OTSGeometryException, NetworkException
73      {
74          this(parentLink, startCenterPosition, endCenterPosition, beginWidth, endWidth, false);
75      }
76  
77      /**
78       * <b>Note:</b> LEFT is seen as a positive lateral direction, RIGHT as a negative lateral direction, with the direction from
79       * the StartNode towards the EndNode as the longitudinal direction.
80       * @param parentLink CrossSectionLink; Cross Section Link to which the element belongs.
81       * @param lateralCenterPosition Length; the lateral start position compared to the linear geometry of the Cross Section
82       *            Link.
83       * @param width Length; start width, positioned &lt;i&gt;symmetrically around&lt;/i&gt; the lateral start position.
84       * @throws OTSGeometryException when creation of the center line or contour geometry fails
85       * @throws NetworkException when id equal to null or not unique
86       */
87      public RoadMarkerAlong(final CrossSectionLink parentLink, final Length lateralCenterPosition, final Length width)
88              throws OTSGeometryException, NetworkException
89      {
90          super(parentLink, UUID.randomUUID().toString(), lateralCenterPosition, width);
91      }
92  
93      /**
94       * <b>Note:</b> LEFT is seen as a positive lateral direction, RIGHT as a negative lateral direction, with the direction from
95       * the StartNode towards the EndNode as the longitudinal direction.
96       * @param parentLink CrossSectionLink; Cross Section Link to which the element belongs.
97       * @param crossSectionSlices List&lt;CrossSectionSlice&gt;; The offsets and widths at positions along the line, relative to
98       *            the design line of the parent link. If there is just one with and offset, there should just be one element in
99       *            the list with Length = 0. If there are more slices, the last one should be at the length of the design line.
100      *            If not, a NetworkException is thrown.
101      * @throws OTSGeometryException when creation of the center line or contour geometry fails
102      * @throws NetworkException when id equal to null or not unique
103      */
104     public RoadMarkerAlong(final CrossSectionLink parentLink, final List<CrossSectionSlice> crossSectionSlices)
105             throws OTSGeometryException, NetworkException
106     {
107         super(parentLink, UUID.randomUUID().toString(), crossSectionSlices);
108     }
109 
110     /**
111      * Clone a RoadMarkerAlong for a new network.
112      * @param newCrossSectionLink CrossSectionLink; the new link to which the clone belongs
113      * @param newSimulator SimulatorInterface.TimeDoubleUnit; the new simulator for this network
114      * @param cse RoadMarkerAlong; the element to clone from
115      * @throws NetworkException if link already exists in the network, if name of the link is not unique, or if the start node
116      *             or the end node of the link are not registered in the network.
117      */
118     protected RoadMarkerAlong(final CrossSectionLink newCrossSectionLink, final SimulatorInterface.TimeDoubleUnit newSimulator,
119             final RoadMarkerAlong cse) throws NetworkException
120     {
121         super(newCrossSectionLink, newSimulator, cse);
122         this.permeabilityMap.putAll(cse.permeabilityMap);
123     }
124 
125     /** {@inheritDoc} */
126     @Override
127     protected final double getZ()
128     {
129         return 0.0001;
130     }
131 
132     /**
133      * Add lateral permeability for a GTU type in the direction of the design line of the overarching CrossSectionLink.
134      * Therefore, the lateral directionality of one-sided permeability has to be switched for left lanes. This is done because
135      * the CrossSectionLink has no idea in which direction vehicles will be moving. On a 1+1 lane road with overtaking
136      * possibilities, the longitudinal directionality of both lanes will be BOTH. Example:
137      * 
138      * <pre>
139      * Suppose the design line runs from left to right.
140      * 
141      * =========================
142      * 
143      * LANE 1L (BACKWARD)         GTUs are allowed to move to lane 2L 
144      *                            Permeability RIGHT is true, although vehicles will go to the LEFT...
145      * -------------------------  
146      * =========================
147      * 
148      * LANE 2L (BACKWARD)         GTUs are NOT allowed to move to lane 1L nor to lane 2R
149      *                            No permeability defined (empty set)
150      * =========================
151      * =========================
152      * 
153      * LANE 2R (FORWARD)          GTUs are NOT allowed to move to lane 1R nor to lane 2L
154      *                            No permeability defined (empty set)
155      * =========================
156      * -------------------------
157      * 
158      * LANE 1R (FORWARD)          GTUs are allowed to move to lane 2R
159      *                            Permeability LEFT is true
160      * =========================
161      * </pre>
162      * 
163      * <b>Note:</b> GTUType.ALL can be used to set permeability for all types of GTU at once.
164      * <p>
165      * @param gtuType GTUType; GTU type to add permeability for.
166      * @param lateralDirection LateralDirectionality; direction to add (LEFT or RIGHT) compared to the direction of the design
167      *            line.
168      */
169     public final void addPermeability(final GTUType gtuType, final LateralDirectionality lateralDirection)
170     {
171         if (!this.permeabilityMap.containsKey(gtuType))
172         {
173             this.permeabilityMap.put(gtuType, new LinkedHashSet<LateralDirectionality>(2));
174         }
175         this.permeabilityMap.get(gtuType).add(lateralDirection);
176     }
177 
178     /**
179      * @param gtuType GTUType; GTU type to look for.
180      * @param lateralDirection LateralDirectionality; direction to look for (LEFT or RIGHT) compared to the direction of the
181      *            design line.
182      * @return whether the road marker is permeable for the GTU type.
183      */
184     public final boolean isPermeable(final GTUType gtuType, final LateralDirectionality lateralDirection)
185     {
186         for (GTUType testGTUType = gtuType; null != testGTUType; testGTUType = testGTUType.getParent())
187         {
188             Set<LateralDirectionality> directions = this.permeabilityMap.get(testGTUType);
189             if (null != directions)
190             {
191                 return directions.contains(lateralDirection);
192             }
193         }
194         return false;
195     }
196 
197     /**
198      * @return permeabilityMap for internal use in (sub)classes.
199      */
200     protected final Map<GTUType, Set<LateralDirectionality>> getPermeabilityMap()
201     {
202         return this.permeabilityMap;
203     }
204 
205 }