public void RegressionEncodeDecode()
{
var e = 0.0001f;
var json = "{\r\n \"First\": {\r\n \"Coordinate\": {\r\n \"Latitude\": 52.275665283203125,\r\n \"Longitude\": 6.825572490692139\r\n },\r\n \"Bearing\": 83,\r\n \"FuntionalRoadClass\": 5,\r\n \"FormOfWay\": 7,\r\n \"LowestFunctionalRoadClassToNext\": 5,\r\n \"DistanceToNext\": 7012\r\n },\r\n \"Intermediate\": [\r\n {\r\n \"Coordinate\": {\r\n \"Latitude\": 52.30723190307617,\r\n \"Longitude\": 6.911031246185303\r\n },\r\n \"Bearing\": 95,\r\n \"FuntionalRoadClass\": 5,\r\n \"FormOfWay\": 7,\r\n \"LowestFunctionalRoadClassToNext\": 5,\r\n \"DistanceToNext\": 70\r\n },\r\n {\r\n \"Coordinate\": {\r\n \"Latitude\": 52.307552337646484,\r\n \"Longitude\": 6.9113054275512695\r\n },\r\n \"Bearing\": 27,\r\n \"FuntionalRoadClass\": 3,\r\n \"FormOfWay\": 6,\r\n \"LowestFunctionalRoadClassToNext\": 3,\r\n \"DistanceToNext\": 1924\r\n },\r\n {\r\n \"Coordinate\": {\r\n \"Latitude\": 52.32027053833008,\r\n \"Longitude\": 6.928611755371094\r\n },\r\n \"Bearing\": 73,\r\n \"FuntionalRoadClass\": 3,\r\n \"FormOfWay\": 2,\r\n \"LowestFunctionalRoadClassToNext\": 5,\r\n \"DistanceToNext\": 7658\r\n }\r\n ],\r\n \"Last\": {\r\n \"Coordinate\": {\r\n \"Latitude\": 52.36980438232422,\r\n \"Longitude\": 6.999289512634277\r\n },\r\n \"Bearing\": 230,\r\n \"FuntionalRoadClass\": 5,\r\n \"FormOfWay\": 7,\r\n \"LowestFunctionalRoadClassToNext\": null,\r\n \"DistanceToNext\": 0\r\n },\r\n \"PositiveOffsetPercentage\": 0,\r\n \"NegativeOffsetPercentage\": 0.638994753\r\n}";
var location = Newtonsoft.Json.JsonConvert.DeserializeObject <LineLocation>(json);
// encode.
var stringData = LineLocationCodec.Encode(location);
// decode again (decoding was tested above).
var decodedLocation = LineLocationCodec.Decode(stringData);
Assert.AreEqual(location.First.Coordinate.Latitude, decodedLocation.First.Coordinate.Latitude, e);
Assert.AreEqual(location.First.Coordinate.Longitude, decodedLocation.First.Coordinate.Longitude, e);
Assert.AreEqual(location.Intermediate.Length, decodedLocation.Intermediate.Length);
for (var i = 0; i < location.Intermediate.Length; i++)
{
Assert.AreEqual(location.Intermediate[i].Coordinate.Latitude, decodedLocation.Intermediate[i].Coordinate.Latitude, e);
Assert.AreEqual(location.Intermediate[i].Coordinate.Longitude, decodedLocation.Intermediate[i].Coordinate.Longitude, e);
}
Assert.AreEqual(location.Last.Coordinate.Latitude, decodedLocation.Last.Coordinate.Latitude, e);
Assert.AreEqual(location.Last.Coordinate.Longitude, decodedLocation.Last.Coordinate.Longitude, e);
}
public void RegressionEncodeDecodeNegativeLongitude()
{
double delta = 0.0001;
var location = new LineLocation()
{
First = new LocationReferencePoint()
{
Bearing = 101,
Coordinate = new Coordinate()
{
Latitude = 52.932136535644531f,
Longitude = -1.5213972330093384f
},
DistanceToNext = 1111,
FormOfWay = FormOfWay.Motorway,
FuntionalRoadClass = FunctionalRoadClass.Frc0,
LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc0
},
Last = new LocationReferencePoint()
{
Bearing = 276,
Coordinate = new Coordinate()
{
Latitude = 52.929317474365234f,
Longitude = -1.5055110454559326
},
DistanceToNext = 0,
FormOfWay = FormOfWay.Motorway,
FuntionalRoadClass = FunctionalRoadClass.Frc0
},
NegativeOffsetPercentage = 2.12239432f,
PositiveOffsetPercentage = 1.46861947f
};
// encode.
var stringData = LineLocationCodec.Encode(location);
// decode again (decoding was tested above).
var decodedLocation = LineLocationCodec.Decode(stringData);
Assert.IsNotNull(decodedLocation);
Assert.IsInstanceOf <LineLocation>(decodedLocation);
var lineLocation = (decodedLocation as LineLocation);
// check first reference.
Assert.IsNotNull(lineLocation.First);
Assert.AreEqual(52.932136535644531f, lineLocation.First.Coordinate.Latitude, delta);
Assert.AreEqual(-1.5213972330093384f, lineLocation.First.Coordinate.Longitude, delta);
Assert.AreEqual(FunctionalRoadClass.Frc0, lineLocation.First.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.Motorway, lineLocation.First.FormOfWay);
Assert.AreEqual(FunctionalRoadClass.Frc0, lineLocation.First.LowestFunctionalRoadClassToNext);
// check second reference.
Assert.IsNotNull(lineLocation.Last);
Assert.AreEqual(-1.5055110454559326f, lineLocation.Last.Coordinate.Longitude, delta); // 6.12817°
Assert.AreEqual(52.929317474365234f, lineLocation.Last.Coordinate.Latitude, delta); // 49.60305°
Assert.AreEqual(FunctionalRoadClass.Frc0, lineLocation.Last.FuntionalRoadClass);
Assert.AreEqual(FormOfWay.Motorway, lineLocation.Last.FormOfWay);
}
/// <summary>
/// Decodes the given string.
/// </summary>
public override ILocation Decode(string encoded)
{
if (encoded == null)
{
throw new ArgumentNullException("encoded");
}
// the data in a binary decoder should be a base64 string.
byte[] binaryData = null;
try
{
binaryData = Convert.FromBase64String(encoded);
}
catch (FormatException ex)
{ // not a base64 string.
throw ex;
}
if (CircleLocationCodec.CanDecode(binaryData))
{
return(CircleLocationCodec.Decode(binaryData));
}
if (ClosedLineLocationCodec.CanDecode(binaryData))
{
return(ClosedLineLocationCodec.Decode(binaryData));
}
if (GeoCoordinateLocationCodec.CanDecode(binaryData))
{
return(GeoCoordinateLocationCodec.Decode(binaryData));
}
if (GridLocationCodec.CanDecode(binaryData))
{
return(GridLocationCodec.Decode(binaryData));
}
if (LineLocationCodec.CanDecode(binaryData))
{
return(LineLocationCodec.Decode(binaryData));
}
if (PointAlongLineLocationCodec.CanDecode(binaryData))
{
return(PointAlongLineLocationCodec.Decode(binaryData));
}
if (PoiWithAccessPointLocationCodec.CanDecode(binaryData))
{
return(PoiWithAccessPointLocationCodec.Decode(binaryData));
}
if (PolygonLocationCodec.CanDecode(binaryData))
{
return(PolygonLocationCodec.Decode(binaryData));
}
if (RectangleLocationCodec.CanDecode(binaryData))
{
return(RectangleLocationCodec.Decode(binaryData));
}
throw new ArgumentException(string.Format("Cannot decode string, no codec found: {0}", encoded));
}
public void DecodeBase64Test()
{
double delta = 0.0001;
// define a base64 string we are sure is a line location.
var stringData = Convert.FromBase64String("CwRbWyNG9RpsCQCb/jsbtAT/6/+jK1lE");
// decode.
Assert.IsTrue(LineLocationCodec.CanDecode(stringData));
var location = LineLocationCodec.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);
}
/// <summary>
/// Encodes the given location.
/// </summary>
public override string Encode(ILocation location)
{
if (location == null)
{
throw new ArgumentNullException("location");
}
byte[] encoded = null;
if (location is LineLocation)
{
encoded = LineLocationCodec.Encode(location as LineLocation);
}
else if (location is PointAlongLineLocation)
{
encoded = PointAlongLineLocationCodec.Encode(location as PointAlongLineLocation);
}
else
{
throw new ArgumentException("Encoding failed, this type of location is not supported.");
}
// decode into a byte array and convert to a base64 string.
return(Convert.ToBase64String(encoded));
}
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 stringData = LineLocationCodec.Encode(location);
// decode again (decoding was tested above).
var decodedLocation = LineLocationCodec.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 referenceBinary = Convert.FromBase64String("CwRbWyNG9BpgAACa/jsboAD/6/+kKwAAAA==");
var referenceDecodedLocation = LineLocationCodec.Decode(referenceBinary);
// 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.
}
