public void TestEncoding1()
{
var data = new byte[1];
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.Encode(0, data, 0, 10);
});
BearingConvertor.Encode(0, data, 0, 0);
Assert.AreEqual(0, data[0]);
BearingConvertor.Encode(1, data, 0, 3);
Assert.AreEqual(1, data[0]);
BearingConvertor.Encode(5, data, 0, 3);
Assert.AreEqual(5, data[0]);
BearingConvertor.Encode(9, data, 0, 3);
Assert.AreEqual(9, data[0]);
data[0] = 0;
BearingConvertor.Encode(1, data, 0, 1);
Assert.AreEqual(4, data[0]);
data[0] = 0;
BearingConvertor.Encode(5, data, 0, 1);
Assert.AreEqual(20, data[0]);
data[0] = 0;
BearingConvertor.Encode(9, data, 0, 1);
Assert.AreEqual(36, data[0]);
}
/// <summary>
/// Encodes a point along line location.
/// </summary>
public static byte[] Encode(PointAlongLineLocation location)
{
var data = new byte[17];
var header = new Header();
header.Version = 3;
header.HasAttributes = true;
header.ArF0 = false;
header.IsPoint = true;
header.ArF1 = false;
HeaderConvertor.Encode(data, 0, header);
CoordinateConverter.Encode(location.First.Coordinate, data, 1);
FunctionalRoadClassConvertor.Encode(location.First.FuntionalRoadClass.Value, data, 7, 2);
FormOfWayConvertor.Encode(location.First.FormOfWay.Value, data, 7, 5);
FunctionalRoadClassConvertor.Encode(location.First.LowestFunctionalRoadClassToNext.Value, data, 8, 0);
BearingConvertor.Encode(BearingConvertor.EncodeAngleToBearing(location.First.Bearing.Value), data, 8, 3);
data[9] = DistanceToNextConvertor.Encode(location.First.DistanceToNext);
CoordinateConverter.EncodeRelative(location.First.Coordinate, location.Last.Coordinate, data, 10);
FunctionalRoadClassConvertor.Encode(location.Last.FuntionalRoadClass.Value, data, 14, 2);
FormOfWayConvertor.Encode(location.Last.FormOfWay.Value, data, 14, 5);
BearingConvertor.Encode(BearingConvertor.EncodeAngleToBearing(location.Last.Bearing.Value), data, 15, 3);
OrientationConverter.Encode(location.Orientation.Value, data, 7, 0);
SideOfRoadConverter.Encode(location.SideOfRoad.Value, data, 14, 0);
if (location.PositiveOffsetPercentage.HasValue)
{ // positive offset percentage is present.
OffsetConvertor.Encode(location.PositiveOffsetPercentage.Value, data, 16);
}
return(data);
}
/// <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));
}
public void TestBearingAngleEncoding()
{
Assert.AreEqual(0, BearingConvertor.EncodeAngleToBearing(0));
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.EncodeAngleToBearing(-1);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.EncodeAngleToBearing(360);
});
Assert.AreEqual(8, BearingConvertor.EncodeAngleToBearing(90));
Assert.AreEqual(16, BearingConvertor.EncodeAngleToBearing(180));
Assert.AreEqual(24, BearingConvertor.EncodeAngleToBearing(270));
}
public void TestFrcBearing()
{
var data = new byte[1];
data[0] = 0;
// bearing-frc.
BearingConvertor.Encode(17, data, 0, 3);
FunctionalRoadClassConvertor.Encode(FunctionalRoadClass.Frc3, data, 0, 0);
Assert.AreEqual(113, data[0]);
// frc-bearing.
FunctionalRoadClassConvertor.Encode(FunctionalRoadClass.Frc3, data, 0, 0);
BearingConvertor.Encode(17, data, 0, 3);
Assert.AreEqual(113, data[0]);
}
public void TestDecoding1()
{
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
BearingConvertor.Decode(new byte[] { 0 }, 4);
});
Assert.AreEqual(0, BearingConvertor.Decode(new byte[] { 0 }, 0, 0));
Assert.AreEqual(0, BearingConvertor.Decode(new byte[] { 0 }, 0));
Assert.AreEqual(1, BearingConvertor.Decode(new byte[] { 1 }, 3));
Assert.AreEqual(5, BearingConvertor.Decode(new byte[] { 5 }, 3));
Assert.AreEqual(9, BearingConvertor.Decode(new byte[] { 9 }, 3));
Assert.AreEqual(1, BearingConvertor.Decode(new byte[] { 4 }, 1));
Assert.AreEqual(5, BearingConvertor.Decode(new byte[] { 20 }, 1));
Assert.AreEqual(9, BearingConvertor.Decode(new byte[] { 36 }, 1));
}
/// <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);
}
public void TestPOffNOffBearing()
{
var data = new byte[1];
data[0] = 0;
// poff-noff-bearing.
OffsetConvertor.EncodeFlag(true, data, 0, 1);
OffsetConvertor.EncodeFlag(true, data, 0, 2);
BearingConvertor.Encode(17, data, 0, 3);
Assert.AreEqual(113, data[0]);
// poff-bearing-noff.
OffsetConvertor.EncodeFlag(true, data, 0, 1);
BearingConvertor.Encode(17, data, 0, 3);
OffsetConvertor.EncodeFlag(true, data, 0, 2);
Assert.AreEqual(113, data[0]);
// bearing-poff-noff.
BearingConvertor.Encode(17, data, 0, 3);
OffsetConvertor.EncodeFlag(true, data, 0, 1);
OffsetConvertor.EncodeFlag(true, data, 0, 2);
Assert.AreEqual(113, data[0]);
}
/// <summary>
/// Encodes a point along line location.
/// </summary>
/// <param name="location"></param>
/// <returns></returns>
protected override byte[] EncodeByteArray(LineLocation location)
{
int size = 18;
if (location.Intermediate != null)
{ // each intermediate adds 7 bytes.
size = size + (location.Intermediate.Length * 7);
}
byte[] data = new byte[size];
var header = new Header();
header.Version = 3;
header.HasAttributes = true;
header.ArF0 = false;
header.IsPoint = false;
header.ArF1 = false;
HeaderConvertor.Encode(data, 0, header);
CoordinateConverter.Encode(location.First.Coordinate, data, 1);
FunctionalRoadClassConvertor.Encode(location.First.FuntionalRoadClass.Value, data, 7, 2);
FormOfWayConvertor.Encode(location.First.FormOfWay.Value, data, 7, 5);
FunctionalRoadClassConvertor.Encode(location.First.LowestFunctionalRoadClassToNext.Value, data, 8, 0);
BearingConvertor.Encode(BearingConvertor.EncodeAngleToBearing(location.First.Bearing.Value), data, 8, 3);
data[9] = DistanceToNextConvertor.Encode(location.First.DistanceToNext);
// calculate the intermediate points count.
var position = 10;
var reference = location.First.Coordinate;
if (location.Intermediate != null)
{
for (int idx = 0; idx < location.Intermediate.Length; idx++)
{ // create an intermediate point.
var intermediate = location.Intermediate[idx];
CoordinateConverter.EncodeRelative(location.First.Coordinate, intermediate.Coordinate, data, position);
reference = intermediate.Coordinate;
position = position + 4;
FunctionalRoadClassConvertor.Encode(intermediate.FuntionalRoadClass.Value, data, position, 2);
FormOfWayConvertor.Encode(intermediate.FormOfWay.Value, data, position, 5);
position = position + 1;
BearingConvertor.Encode(BearingConvertor.EncodeAngleToBearing(intermediate.Bearing.Value), data, position, 3);
FunctionalRoadClassConvertor.Encode(intermediate.LowestFunctionalRoadClassToNext.Value, data, position, 0);
position = position + 1;
data[position] = DistanceToNextConvertor.Encode(intermediate.DistanceToNext);
position = position + 1;
}
}
CoordinateConverter.EncodeRelative(reference, location.Last.Coordinate, data, position);
FunctionalRoadClassConvertor.Encode(location.Last.FuntionalRoadClass.Value, data, position + 4, 2);
FormOfWayConvertor.Encode(location.Last.FormOfWay.Value, data, position + 4, 5);
BearingConvertor.Encode(BearingConvertor.EncodeAngleToBearing(location.Last.Bearing.Value), data, position + 5, 3);
if (location.PositiveOffsetPercentage.HasValue)
{ // positive offset percentage is present.
OffsetConvertor.EncodeFlag(true, data, position + 5, 1);
OffsetConvertor.Encode(location.PositiveOffsetPercentage.Value, data, position + 6);
}
if (location.NegativeOffsetPercentage.HasValue)
{ // positive offset percentage is present.
OffsetConvertor.EncodeFlag(true, data, position + 5, 2);
OffsetConvertor.Encode(location.NegativeOffsetPercentage.Value, data, position + 7);
}
return(data);
}