/// <summary>
/// Creates a new referenced decoder.
/// </summary>
public ReferencedDecoderBase(BasicRouterDataSource <LiveEdge> graph, Vehicle vehicle, Decoder locationDecoder)
: base(locationDecoder)
{
_graph = graph;
_vehicle = vehicle;
_referencedCircleDecoder = this.GetReferencedCircleDecoder();
_referencedGeoCoordinateDecoder = this.GetReferencedGeoCoordinateDecoder();
_referencedGridDecoder = this.GetReferencedGridDecoder();
_referencedLineDecoder = this.GetReferencedLineDecoder();
_referencedPointAlongLineDecoder = this.GetReferencedPointAlongLineDecoder();
_referencedPolygonDecoder = this.GetReferencedPolygonDecoder();
_referencedRectangleDecoder = this.GetReferencedRectangleDecoder();
}
/// <summary>
/// Creates a new referenced decoder.
/// </summary>
public ReferencedDecoderBase(BasicRouterDataSource <LiveEdge> graph, Vehicle vehicle, Decoder locationDecoder, Meter maxVertexDistance,
float candidateSearchBoxSize)
: base(locationDecoder)
{
_graph = graph;
_maxVertexDistance = maxVertexDistance;
_vehicle = vehicle;
_candidateSearchBoxSize = candidateSearchBoxSize;
_referencedCircleDecoder = this.GetReferencedCircleDecoder();
_referencedGeoCoordinateDecoder = this.GetReferencedGeoCoordinateDecoder();
_referencedGridDecoder = this.GetReferencedGridDecoder();
_referencedLineDecoder = this.GetReferencedLineDecoder();
_referencedPointAlongLineDecoder = this.GetReferencedPointAlongLineDecoder();
_referencedPolygonDecoder = this.GetReferencedPolygonDecoder();
_referencedRectangleDecoder = this.GetReferencedRectangleDecoder();
}
public void DecodeReferencedPointAlongLineLocation()
{
double delta = 0.0001;
// build the location to decode.
var location = new PointAlongLineLocation();
location.First = new LocationReferencePoint();
location.First.Coordinate = new Coordinate()
{
Latitude = 49.60597, Longitude = 6.12829
};
location.First.DistanceToNext = 92;
location.First.FuntionalRoadClass = FunctionalRoadClass.Frc2;
location.First.FormOfWay = FormOfWay.MultipleCarriageWay;
location.First.LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc2;
location.First.Bearing = 203;
location.Last = new LocationReferencePoint();
location.Last.Coordinate = new Coordinate()
{
Latitude = 49.60521, Longitude = 6.12779
};
location.Last.DistanceToNext = 10;
location.Last.FuntionalRoadClass = FunctionalRoadClass.Frc2;
location.Last.FormOfWay = FormOfWay.MultipleCarriageWay;
location.Last.Bearing = 23;
location.PositiveOffsetPercentage = (float)((28.0 / 92.0) * 100.0);
location.Orientation = Orientation.FirstToSecond;
location.SideOfRoad = SideOfRoad.Left;
// build a graph to decode onto.
var tags = new TagsTableCollectionIndex();
var graphDataSource = new DynamicGraphRouterDataSource <LiveEdge>(tags);
var vertex1 = graphDataSource.AddVertex(49.60597f, 6.12829f);
var vertex2 = graphDataSource.AddVertex(49.60521f, 6.12779f);
graphDataSource.AddEdge(vertex1, vertex2, new LiveEdge()
{
Distance = 10,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
graphDataSource.AddEdge(vertex2, vertex1, new LiveEdge()
{
Distance = 10,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
// decode the location
var graph = new BasicRouterDataSource <LiveEdge>(graphDataSource);
var decoder = new PointAlongLineDecoder();
var router = new BasicRouter();
var mainDecoder = new ReferencedOsmDecoder(graph, new BinaryDecoder());
var referencedDecoder = new ReferencedPointAlongLineDecoder(mainDecoder, decoder);
var referencedLocation = referencedDecoder.Decode(location);
// confirm result.
Assert.IsNotNull(referencedLocation);
Assert.IsNotNull(referencedLocation.Route);
Assert.IsNotNull(referencedLocation.Route.Edges);
Assert.AreEqual(vertex1, referencedLocation.Route.Vertices[0]);
Assert.AreEqual(vertex2, referencedLocation.Route.Vertices[1]);
var longitudeReference = (location.Last.Coordinate.Longitude - location.First.Coordinate.Longitude) * (location.PositiveOffsetPercentage.Value / 100.0) + location.First.Coordinate.Longitude;
var latitudeReference = (location.Last.Coordinate.Latitude - location.First.Coordinate.Latitude) * (location.PositiveOffsetPercentage.Value / 100.0) + location.First.Coordinate.Latitude;
Assert.AreEqual(longitudeReference, referencedLocation.Longitude, delta);
Assert.AreEqual(latitudeReference, referencedLocation.Latitude, delta);
Assert.AreEqual(Orientation.FirstToSecond, referencedLocation.Orientation);
}
