1 package org.opentrafficsim.road.network;
2
3 import static org.junit.Assert.assertEquals;
4
5 import org.djunits.unit.UNITS;
6 import org.djunits.value.vdouble.scalar.Length;
7 import org.junit.Test;
8 import org.opentrafficsim.core.dsol.OTSSimulatorInterface;
9 import org.opentrafficsim.core.geometry.OTSGeometryException;
10 import org.opentrafficsim.core.geometry.OTSLine3D;
11 import org.opentrafficsim.core.geometry.OTSPoint3D;
12 import org.opentrafficsim.core.network.LinkLocation;
13 import org.opentrafficsim.core.network.LinkType;
14 import org.opentrafficsim.core.network.NetworkException;
15 import org.opentrafficsim.core.network.OTSNode;
16 import org.opentrafficsim.road.mock.MockSimulator;
17 import org.opentrafficsim.road.network.lane.CrossSectionLink;
18 import org.opentrafficsim.road.network.lane.changing.LaneKeepingPolicy;
19
20
21
22
23
24
25
26
27
28
29
30 public class LinkLocationTest implements UNITS
31 {
32
33
34
35
36
37 @Test
38 public final void linkLocationTest() throws OTSGeometryException, NetworkException
39 {
40
41 OTSRoadNetwork network = new OTSRoadNetwork("link location test network", true);
42 OTSNode nodeFrom = new OTSNode(network, "From", new OTSPoint3D(0, 0, 0));
43 OTSNode nodeTo = new OTSNode(network, "To", new OTSPoint3D(1000, 0, 0));
44 OTSLine3D line = new OTSLine3D(new OTSPoint3D[] {new OTSPoint3D(0, 0, 0), new OTSPoint3D(1000, 0, 0)});
45 OTSSimulatorInterface simulator = MockSimulator.createMock();
46 CrossSectionLink link = new CrossSectionLink(network, "Link", nodeFrom, nodeTo,
47 network.getLinkType(LinkType.DEFAULTS.ROAD), line, simulator, LaneKeepingPolicy.KEEPRIGHT);
48 Length linkLength = line.getLength();
49
50 Length referenceLocationDistance = new Length(123, METER);
51 LinkLocation referenceLocation = new LinkLocation(link, referenceLocationDistance);
52 assertEquals("link should be the provided Link", link, referenceLocation.getLink());
53 assertEquals("longitudinalPosition should be " + referenceLocationDistance, referenceLocationDistance.getSI(),
54 referenceLocation.getLongitudinalPosition().getSI(), 0.0001);
55 for (int position = 0; position < 1000; position += 100)
56 {
57 final double fraction = position / linkLength.getSI();
58 LinkLocation linkLocation = new LinkLocation(link, fraction);
59 assertEquals("link should be the provided Link", link, linkLocation.getLink());
60 assertEquals("fractionalLongitudinalPosition should be " + fraction, fraction,
61 linkLocation.getFractionalLongitudinalPosition(), 0.000001);
62 assertEquals("longitudinalPosition should be " + position, position, linkLocation.getLongitudinalPosition().getSI(),
63 0.0001);
64
65 linkLocation = new LinkLocation(link, new Length(position, METER));
66 assertEquals("link should be the provided Link", link, linkLocation.getLink());
67 assertEquals("fractionalLongitudinalPosition should be " + fraction, fraction,
68 linkLocation.getFractionalLongitudinalPosition(), 0.000001);
69 assertEquals("longitudinalPosition should be " + position, position, linkLocation.getLongitudinalPosition().getSI(),
70 0.0001);
71 double delta = referenceLocationDistance.getSI() - position;
72 assertEquals("distance from reference should be " + delta, delta, linkLocation.distance(referenceLocation).getSI(),
73 0.0001);
74
75 }
76 }
77 }