/// <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; // create a location. var location = new PointAlongLineLocation(); location.First = new LocationReferencePoint(); location.First.Coordinate = new Coordinate() { Latitude = 49.60597, Longitude = 6.12829 }; location.First.FuntionalRoadClass = FunctionalRoadClass.Frc2; location.First.FormOfWay = FormOfWay.MultipleCarriageWay; location.First.LowestFunctionalRoadClassToNext = FunctionalRoadClass.Frc2; location.First.Bearing = 17; location.First.DistanceToNext = (int)(58.6 * 2) + 1; location.Last = new LocationReferencePoint(); location.Last.Coordinate = new Coordinate() { Latitude = 49.60521, Longitude = 6.12779 }; location.Last.FuntionalRoadClass = FunctionalRoadClass.Frc2; location.Last.FormOfWay = FormOfWay.MultipleCarriageWay; location.Last.Bearing = 3; location.Last.DistanceToNext = 0; location.Orientation = Orientation.NoOrientation; location.SideOfRoad = SideOfRoad.Left; location.PositiveOffsetPercentage = 30.19f; // encode. var stringData = PointAlongLineLocationCodec.Encode(location); // decode again (decoding was tested above). var decodedLocation = PointAlongLineLocationCodec.Decode(stringData); Assert.IsNotNull(decodedLocation); Assert.IsInstanceOf <PointAlongLineLocation>(decodedLocation); var pointAlongLineLocation = (decodedLocation as PointAlongLineLocation); // check first reference. Assert.IsNotNull(pointAlongLineLocation.First); Assert.AreEqual(location.First.Coordinate.Longitude, pointAlongLineLocation.First.Coordinate.Longitude, delta); // 6.12829° Assert.AreEqual(location.First.Coordinate.Latitude, pointAlongLineLocation.First.Coordinate.Latitude, delta); // 49.60597° Assert.AreEqual(location.First.FuntionalRoadClass, pointAlongLineLocation.First.FuntionalRoadClass); Assert.AreEqual(location.First.FormOfWay, pointAlongLineLocation.First.FormOfWay); Assert.AreEqual(location.First.LowestFunctionalRoadClassToNext, pointAlongLineLocation.First.LowestFunctionalRoadClassToNext); Assert.AreEqual(location.First.Bearing.Value, pointAlongLineLocation.First.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. Assert.AreEqual(location.First.DistanceToNext, pointAlongLineLocation.First.DistanceToNext); // check second reference. Assert.IsNotNull(pointAlongLineLocation.Last); Assert.AreEqual(location.Last.Coordinate.Longitude, pointAlongLineLocation.Last.Coordinate.Longitude, delta); // 6.12779° Assert.AreEqual(location.Last.Coordinate.Latitude, pointAlongLineLocation.Last.Coordinate.Latitude, delta); // 49.60521° Assert.AreEqual(location.Last.FuntionalRoadClass, pointAlongLineLocation.Last.FuntionalRoadClass); Assert.AreEqual(location.Last.FormOfWay, pointAlongLineLocation.Last.FormOfWay); Assert.AreEqual(location.Last.Bearing.Value, pointAlongLineLocation.Last.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. Assert.AreEqual(location.Last.DistanceToNext, pointAlongLineLocation.Last.DistanceToNext); // check other properties. Assert.AreEqual(location.Orientation, pointAlongLineLocation.Orientation); Assert.AreEqual(location.SideOfRoad, pointAlongLineLocation.SideOfRoad); Assert.AreEqual(location.PositiveOffsetPercentage.Value, pointAlongLineLocation.PositiveOffsetPercentage.Value, 0.5f); // binary encode loses accuracy. // compare again with reference encoded string. var referenceStringData = "KwRbnyNGfhJBAv/P/7WSAEw="; var referenceDecodedLocation = PointAlongLineLocationCodec.Decode(Convert.FromBase64String(referenceStringData)); var referenceBinary = System.Convert.FromBase64String(referenceStringData); // check first reference. Assert.IsNotNull(pointAlongLineLocation.First); Assert.AreEqual(referenceDecodedLocation.First.Coordinate.Longitude, pointAlongLineLocation.First.Coordinate.Longitude, delta); // 6.12829° Assert.AreEqual(referenceDecodedLocation.First.Coordinate.Latitude, pointAlongLineLocation.First.Coordinate.Latitude, delta); // 49.60597° Assert.AreEqual(referenceDecodedLocation.First.FuntionalRoadClass, pointAlongLineLocation.First.FuntionalRoadClass); Assert.AreEqual(referenceDecodedLocation.First.FormOfWay, pointAlongLineLocation.First.FormOfWay); Assert.AreEqual(referenceDecodedLocation.First.LowestFunctionalRoadClassToNext, pointAlongLineLocation.First.LowestFunctionalRoadClassToNext); Assert.AreEqual(referenceDecodedLocation.First.Bearing.Value, pointAlongLineLocation.First.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. // check second reference. Assert.IsNotNull(pointAlongLineLocation.Last); Assert.AreEqual(referenceDecodedLocation.Last.Coordinate.Longitude, pointAlongLineLocation.Last.Coordinate.Longitude, delta); // 6.12779° Assert.AreEqual(referenceDecodedLocation.Last.Coordinate.Latitude, pointAlongLineLocation.Last.Coordinate.Latitude, delta); // 49.60521° Assert.AreEqual(referenceDecodedLocation.Last.FuntionalRoadClass, pointAlongLineLocation.Last.FuntionalRoadClass); Assert.AreEqual(referenceDecodedLocation.Last.FormOfWay, pointAlongLineLocation.Last.FormOfWay); Assert.AreEqual(referenceDecodedLocation.Last.Bearing.Value, pointAlongLineLocation.Last.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. // check other properties. Assert.AreEqual(referenceDecodedLocation.Orientation, pointAlongLineLocation.Orientation); Assert.AreEqual(referenceDecodedLocation.SideOfRoad, pointAlongLineLocation.SideOfRoad); Assert.AreEqual(referenceDecodedLocation.PositiveOffsetPercentage.Value, pointAlongLineLocation.PositiveOffsetPercentage.Value, 0.5f); // binary encode loses accuracy. }