/// <summary>
/// Decodes the given data into a location reference.
/// </summary>
public static PointAlongLineLocation Decode(byte[] data)
{
var pointAlongLine = new PointAlongLineLocation();
// decode first location reference point.
var first = new LocationReferencePoint();
first.Coordinate = CoordinateConverter.Decode(data, 1);
first.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, 7, 2);
first.FormOfWay = FormOfWayConvertor.Decode(data, 7, 5);
first.LowestFunctionalRoadClassToNext = FunctionalRoadClassConvertor.Decode(data, 8, 0);
first.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, 8, 3));
first.DistanceToNext = DistanceToNextConvertor.Decode(data[9]);
// decode second location reference point.
var last = new LocationReferencePoint();
last.Coordinate = CoordinateConverter.DecodeRelative(first.Coordinate, data, 10);
last.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, 14, 2);
last.FormOfWay = FormOfWayConvertor.Decode(data, 14, 5);
last.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, 15, 3));
pointAlongLine.First = first;
pointAlongLine.Orientation = OrientationConverter.Decode(data, 7, 0);
pointAlongLine.SideOfRoad = SideOfRoadConverter.Decode(data, 14, 0);
pointAlongLine.PositiveOffsetPercentage = OffsetConvertor.Decode(data, 16);
pointAlongLine.Last = last;
return(pointAlongLine);
}
/// <summary>
/// Decodes the given data into a location reference.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
protected override ClosedLineLocation Decode(byte[] data)
{
// decode first location reference point.
var first = new LocationReferencePoint();
first.Coordinate = CoordinateConverter.Decode(data, 1);
first.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, 7, 2);
first.FormOfWay = FormOfWayConvertor.Decode(data, 7, 5);
first.LowestFunctionalRoadClassToNext = FunctionalRoadClassConvertor.Decode(data, 8, 0);
first.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, 8, 3));
first.DistanceToNext = DistanceToNextConvertor.Decode(data[9]);
// calculate the intermediate points count.
var intermediateList = new List <LocationReferencePoint>();
int intermediates = (data.Length - 12) / 7;
int location = 10;
var reference = first.Coordinate; // the reference for the relative coordinates.
for (int idx = 0; idx < intermediates; idx++)
{
// create an intermediate point.
var intermediate = new LocationReferencePoint();
intermediate.Coordinate = CoordinateConverter.DecodeRelative(reference, data, location);
reference = intermediate.Coordinate;
location = location + 4;
intermediate.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, location, 2);
intermediate.FormOfWay = FormOfWayConvertor.Decode(data, location, 5);
location = location + 1;
intermediate.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, location, 3));
intermediate.LowestFunctionalRoadClassToNext = FunctionalRoadClassConvertor.Decode(data, location, 0);
location = location + 1;
intermediate.DistanceToNext = DistanceToNextConvertor.Decode(data[location]);
location = location + 1;
intermediateList.Add(intermediate);
}
// decode last location reference point.
var last = new LocationReferencePoint();
// no last coordinates, identical to the first.
last.Coordinate = first.Coordinate;
last.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, location, 2);
last.FormOfWay = FormOfWayConvertor.Decode(data, location, 5);
location = location + 1;
last.LowestFunctionalRoadClassToNext = FunctionalRoadClassConvertor.Decode(data, location, 0);
last.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, location, 3));
location = location + 1;
// create line location.
var lineLocation = new ClosedLineLocation();
lineLocation.First = first;
lineLocation.Intermediate = intermediateList.ToArray();
lineLocation.Last = last;
return(lineLocation);
}
public void TestBearingAngleDecoding()
{
Assert.AreEqual(0, BearingConvertor.DecodeAngleFromBearing(0));
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.DecodeAngleFromBearing(-1);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.DecodeAngleFromBearing(32);
});
Assert.AreEqual(90, BearingConvertor.DecodeAngleFromBearing(8));
Assert.AreEqual(180, BearingConvertor.DecodeAngleFromBearing(16));
Assert.AreEqual(270, BearingConvertor.DecodeAngleFromBearing(24));
}
/// <summary>
/// Decodes the given data into a location reference.
/// </summary>
public static PoiWithAccessPointLocation Decode(byte[] data)
{
// decode first location reference point.
var first = new LocationReferencePoint();
first.Coordinate = CoordinateConverter.Decode(data, 1);
var orientation = OrientationConverter.Decode(data, 7, 0);
first.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, 7, 2);
first.FormOfWay = FormOfWayConvertor.Decode(data, 7, 5);
first.LowestFunctionalRoadClassToNext = FunctionalRoadClassConvertor.Decode(data, 8, 0);
first.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, 8, 3));
first.DistanceToNext = DistanceToNextConvertor.Decode(data[9]);
// decode last location reference point.
var last = new LocationReferencePoint();
// no last coordinates, identical to the first.
last.Coordinate = CoordinateConverter.DecodeRelative(first.Coordinate, data, 10);
var sideOfRoad = SideOfRoadConverter.Decode(data, 14, 0);
last.FuntionalRoadClass = FunctionalRoadClassConvertor.Decode(data, 14, 2);
last.FormOfWay = FormOfWayConvertor.Decode(data, 14, 5);
last.Bearing = BearingConvertor.DecodeAngleFromBearing(BearingConvertor.Decode(data, 15, 3));
// poi details.
var coordinate = CoordinateConverter.DecodeRelative(first.Coordinate, data, 17);
// create line location.
var poiWithAccessPointLocation = new PoiWithAccessPointLocation();
poiWithAccessPointLocation.First = first;
poiWithAccessPointLocation.Last = last;
poiWithAccessPointLocation.Coordinate = coordinate;
poiWithAccessPointLocation.Orientation = orientation;
poiWithAccessPointLocation.PositiveOffset = null;
poiWithAccessPointLocation.SideOfRoad = sideOfRoad;
return(poiWithAccessPointLocation);
}