public void DecodeBase64Test()
{
double delta = 0.0001;
// define a base64 string we are sure is a line location.
string stringData = "CwRbWyNG9RpsCQCb/jsbtAT/6/+jK1lE";
// decode.
var decoder = new LineLocationDecoder();
Assert.IsTrue(decoder.CanDecode(stringData));
var location = decoder.Decode(stringData);
Assert.IsNotNull(location);
Assert.IsInstanceOf <LineLocation>(location);
var lineLocation = (location as LineLocation);
// check first reference.
Assert.IsNotNull(lineLocation.First);
Assert.AreEqual(6.12683, lineLocation.First.Coordinate.Longitude, delta); // 6.12683°
Assert.AreEqual(49.60851, lineLocation.First.Coordinate.Latitude, delta); // 49.60851°
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.First.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.MultipleCarriageWay, lineLocation.First.FormOfWay);
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.First.LowestFunctionalRoadClassToNext);
// check intermediates.
Assert.IsNotNull(lineLocation.Intermediate);
Assert.AreEqual(1, lineLocation.Intermediate.Length);
Assert.AreEqual(6.12838, lineLocation.Intermediate[0].Coordinate.Longitude, delta); // 6.12838°
Assert.AreEqual(49.60398, lineLocation.Intermediate[0].Coordinate.Latitude, delta); // 49.60398°
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.Intermediate[0].FuntionalRoadClass);
Assert.AreEqual(FormOfWay.SingleCarriageWay, lineLocation.Intermediate[0].FormOfWay);
Assert.AreEqual(FunctionalRoadClass.Frc5, lineLocation.Intermediate[0].LowestFunctionalRoadClassToNext);
// check second reference.
Assert.IsNotNull(lineLocation.Last);
Assert.AreEqual(6.12817, lineLocation.Last.Coordinate.Longitude, delta); // 6.12817°
Assert.AreEqual(49.60305, lineLocation.Last.Coordinate.Latitude, delta); // 49.60305°
Assert.AreEqual(FunctionalRoadClass.Frc5, lineLocation.Last.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.SingleCarriageWay, lineLocation.Last.FormOfWay);
}
public void EncodeBase64Test()
{
double delta = 0.0001;
// build the location to decode.
var location = new LineLocation();
location.First = new LocationReferencePoint();
location.First.Coordinate = new Coordinate()
{
Latitude = 49.60851, Longitude = 6.12683
};
location.First.DistanceToNext = 10;
location.First.FuntionalRoadClass = FunctionalRoadClass.Frc3;
location.First.FormOfWay = FormOfWay.MultipleCarriageWay;
location.First.LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc3;
location.First.Bearing = 0;
location.Intermediate = new LocationReferencePoint[1];
location.Intermediate[0] = new LocationReferencePoint();
location.Intermediate[0].Coordinate = new Coordinate()
{
Latitude = 49.60398, Longitude = 6.12838
};
location.Intermediate[0].DistanceToNext = 10;
location.Intermediate[0].FuntionalRoadClass = FunctionalRoadClass.Frc3;
location.Intermediate[0].FormOfWay = FormOfWay.SingleCarriageWay;
location.Intermediate[0].LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc5;
location.Intermediate[0].Bearing = 0;
location.Last = new LocationReferencePoint();
location.Last.Coordinate = new Coordinate()
{
Latitude = 49.60305, Longitude = 6.12817
};
location.Last.DistanceToNext = 10;
location.Last.FuntionalRoadClass = FunctionalRoadClass.Frc5;
location.Last.FormOfWay = FormOfWay.SingleCarriageWay;
location.Last.Bearing = 0;
// encode.
var encoder = new LineEncoder();
var stringData = encoder.Encode(location);
// decode again (decoding was tested above).
var decoder = new LineLocationDecoder();
var decodedLocation = decoder.Decode(stringData);
Assert.IsNotNull(decodedLocation);
Assert.IsInstanceOf <LineLocation>(decodedLocation);
var lineLocation = (decodedLocation as LineLocation);
// check first reference.
Assert.IsNotNull(lineLocation.First);
Assert.AreEqual(6.12683, lineLocation.First.Coordinate.Longitude, delta); // 6.12683°
Assert.AreEqual(49.60851, lineLocation.First.Coordinate.Latitude, delta); // 49.60851°
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.First.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.MultipleCarriageWay, lineLocation.First.FormOfWay);
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.First.LowestFunctionalRoadClassToNext);
// check intermediates.
Assert.IsNotNull(lineLocation.Intermediate);
Assert.AreEqual(1, lineLocation.Intermediate.Length);
Assert.AreEqual(6.12838, lineLocation.Intermediate[0].Coordinate.Longitude, delta); // 6.12838°
Assert.AreEqual(49.60398, lineLocation.Intermediate[0].Coordinate.Latitude, delta); // 49.60398°
Assert.AreEqual(FunctionalRoadClass.Frc3, lineLocation.Intermediate[0].FuntionalRoadClass);
Assert.AreEqual(FormOfWay.SingleCarriageWay, lineLocation.Intermediate[0].FormOfWay);
Assert.AreEqual(FunctionalRoadClass.Frc5, lineLocation.Intermediate[0].LowestFunctionalRoadClassToNext);
// check second reference.
Assert.IsNotNull(lineLocation.Last);
Assert.AreEqual(6.12817, lineLocation.Last.Coordinate.Longitude, delta); // 6.12817°
Assert.AreEqual(49.60305, lineLocation.Last.Coordinate.Latitude, delta); // 49.60305°
Assert.AreEqual(FunctionalRoadClass.Frc5, lineLocation.Last.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.SingleCarriageWay, lineLocation.Last.FormOfWay);
// compare again with reference encoded string.
var referenceStringData = "CwRbWyNG9BpgAACa/jsboAD/6/+kKwAAAA==";
var referenceDecodedLocation = decoder.Decode(referenceStringData);
var referenceBinary = System.Convert.FromBase64String(referenceStringData);
var encodedBinary = System.Convert.FromBase64String(stringData);
// check first reference.
Assert.IsNotNull(lineLocation.First);
Assert.AreEqual(referenceDecodedLocation.First.Coordinate.Longitude, lineLocation.First.Coordinate.Longitude, delta); // 6.12829°
Assert.AreEqual(referenceDecodedLocation.First.Coordinate.Latitude, lineLocation.First.Coordinate.Latitude, delta); // 49.60597°
Assert.AreEqual(referenceDecodedLocation.First.FuntionalRoadClass, lineLocation.First.FuntionalRoadClass);
Assert.AreEqual(referenceDecodedLocation.First.FormOfWay, lineLocation.First.FormOfWay);
Assert.AreEqual(referenceDecodedLocation.First.LowestFunctionalRoadClassToNext, lineLocation.First.LowestFunctionalRoadClassToNext);
Assert.AreEqual(referenceDecodedLocation.First.Bearing.Value, lineLocation.First.Bearing.Value, 11.25); // binary encode loses accuracy for bearing.
// check intermediates.
Assert.IsNotNull(referenceDecodedLocation.Intermediate);
Assert.AreEqual(referenceDecodedLocation.Intermediate.Length, lineLocation.Intermediate.Length);
Assert.AreEqual(referenceDecodedLocation.Intermediate[0].Coordinate.Longitude, lineLocation.Intermediate[0].Coordinate.Longitude, delta); // 6.12838°
Assert.AreEqual(referenceDecodedLocation.Intermediate[0].Coordinate.Latitude, lineLocation.Intermediate[0].Coordinate.Latitude, delta); // 49.60398°
Assert.AreEqual(referenceDecodedLocation.Intermediate[0].FuntionalRoadClass, lineLocation.Intermediate[0].FuntionalRoadClass);
Assert.AreEqual(referenceDecodedLocation.Intermediate[0].FormOfWay, lineLocation.Intermediate[0].FormOfWay);
Assert.AreEqual(referenceDecodedLocation.Intermediate[0].LowestFunctionalRoadClassToNext, lineLocation.Intermediate[0].LowestFunctionalRoadClassToNext);
// check second reference.
Assert.IsNotNull(lineLocation.Last);
Assert.AreEqual(referenceDecodedLocation.Last.Coordinate.Longitude, lineLocation.Last.Coordinate.Longitude, delta); // 6.12779°
Assert.AreEqual(referenceDecodedLocation.Last.Coordinate.Latitude, lineLocation.Last.Coordinate.Latitude, delta); // 49.60521°
Assert.AreEqual(referenceDecodedLocation.Last.FuntionalRoadClass, lineLocation.Last.FuntionalRoadClass);
Assert.AreEqual(referenceDecodedLocation.Last.FormOfWay, lineLocation.Last.FormOfWay);
Assert.AreEqual(referenceDecodedLocation.Last.Bearing.Value, lineLocation.Last.Bearing.Value, 11.25); // binary encode loses accuracy for bearing.
}
public void DecodeReferencedLineLocation()
{
// build the location to decode.
var location = new LineLocation();
location.First = new LocationReferencePoint();
location.First.Coordinate = new Coordinate()
{
Latitude = 49.60851, Longitude = 6.12683
};
location.First.DistanceToNext = 517;
location.First.FuntionalRoadClass = FunctionalRoadClass.Frc3;
location.First.FormOfWay = FormOfWay.MultipleCarriageWay;
location.First.LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc3;
location.First.Bearing = 0;
location.Intermediate = new LocationReferencePoint[1];
location.Intermediate[0] = new LocationReferencePoint();
location.Intermediate[0].Coordinate = new Coordinate()
{
Latitude = 49.60398, Longitude = 6.12838
};
location.Intermediate[0].DistanceToNext = 104;
location.Intermediate[0].FuntionalRoadClass = FunctionalRoadClass.Frc3;
location.Intermediate[0].FormOfWay = FormOfWay.SingleCarriageWay;
location.Intermediate[0].LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc5;
location.Intermediate[0].Bearing = 0;
location.Last = new LocationReferencePoint();
location.Last = new LocationReferencePoint();
location.Last.Coordinate = new Coordinate()
{
Latitude = 49.60305, Longitude = 6.12817
};
location.Last.DistanceToNext = 0;
location.Last.FuntionalRoadClass = FunctionalRoadClass.Frc5;
location.Last.FormOfWay = FormOfWay.SingleCarriageWay;
location.Last.Bearing = 0;
// build a graph to decode onto.
var tags = new TagsTableCollectionIndex();
var graphDataSource = new DynamicGraphRouterDataSource <LiveEdge>(tags);
uint vertex1 = graphDataSource.AddVertex(49.60851f, 6.12683f);
uint vertex2 = graphDataSource.AddVertex(49.60398f, 6.12838f);
uint vertex3 = graphDataSource.AddVertex(49.60305f, 6.12817f);
graphDataSource.AddEdge(vertex1, vertex2, new LiveEdge()
{
Distance = 517,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
graphDataSource.AddEdge(vertex2, vertex1, new LiveEdge()
{
Distance = 517,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
graphDataSource.AddEdge(vertex2, vertex3, new LiveEdge()
{
Distance = 104,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
graphDataSource.AddEdge(vertex3, vertex2, new LiveEdge()
{
Distance = 104,
Forward = true,
Tags = tags.Add(new TagsCollection(Tag.Create("highway", "tertiary")))
}, null);
// decode the location
var graph = new BasicRouterDataSource <LiveEdge>(graphDataSource);
var decoder = new LineLocationDecoder();
var router = new BasicRouter();
var mainDecoder = new ReferencedOsmDecoder(graph, new BinaryDecoder());
var referencedDecoder = new ReferencedLineDecoder(mainDecoder, decoder);
var referencedLocation = referencedDecoder.Decode(location);
// confirm result.
Assert.IsNotNull(referencedLocation);
Assert.IsNotNull(referencedLocation.Vertices);
Assert.AreEqual(3, referencedLocation.Vertices.Length);
Assert.IsNotNull(referencedLocation.Edges);
Assert.AreEqual(2, referencedLocation.Edges.Length);
}