/// <summary>
/// Decodes binary OpenLR relative coordinate data into a coordinate.
/// </summary>
/// <param name="reference"></param>
/// <param name="data"></param>
/// <param name="startIndex"></param>
/// <returns></returns>
public static Coordinate DecodeRelative(Coordinate reference, byte[] data, int startIndex)
{
return(new Coordinate()
{
Latitude = reference.Latitude + (CoordinateConverter.DecodeInt16(data, startIndex + 2) / 100000.0),
Longitude = reference.Longitude + (CoordinateConverter.DecodeInt16(data, startIndex + 0) / 100000.0)
});
}
/// <summary>
/// Decodes binary OpenLR coordinate data into a coordinate.
/// </summary>
/// <param name="data"></param>
/// <param name="startIndex"></param>
/// <returns></returns>
public static Coordinate Decode(byte[] data, int startIndex)
{
return(new Coordinate()
{
Latitude = CoordinateConverter.DecodeDegrees(CoordinateConverter.DecodeInt24(data, startIndex + 3)),
Longitude = CoordinateConverter.DecodeDegrees(CoordinateConverter.DecodeInt24(data, startIndex + 0))
});
}
/// <summary>
/// Decodes binary OpenLR relative coordinate data into a coordinate.
/// </summary>
/// <param name="reference"></param>
/// <param name="data"></param>
/// <returns></returns>
public static Coordinate DecodeRelative(Coordinate reference, byte[] data)
{
return(CoordinateConverter.DecodeRelative(reference, data, 0));
}
/// <summary>
/// Decodes binary OpenLR coordinate data into a coordinate.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static Coordinate Decode(byte[] data)
{
return(CoordinateConverter.Decode(data, 0));
}
/// <summary>
/// Decodes the given coorrdinate into a binary OpenLR coordinate.
/// </summary>
/// <param name="reference"></param>
/// <param name="coordinate"></param>
/// <param name="data"></param>
/// <param name="startIndex"></param>
public static void EncodeRelative(Coordinate reference, Coordinate coordinate, byte[] data, int startIndex)
{
CoordinateConverter.EncodeInt16((int)((coordinate.Latitude - reference.Latitude) * 100000.0), data, startIndex + 2);
CoordinateConverter.EncodeInt16((int)((coordinate.Longitude - reference.Longitude) * 100000.0), data, startIndex + 0);
}
/// <summary>
/// Decodes the given coordinate into a binary OpenLR coordinate.
/// </summary>
/// <param name="coordinate"></param>
/// <param name="data"></param>
/// <param name="startIndex"></param>
public static void Encode(Coordinate coordinate, byte[] data, int startIndex)
{
CoordinateConverter.EncodeInt24(CoordinateConverter.EncodeDegree(coordinate.Longitude), data, startIndex + 0);
CoordinateConverter.EncodeInt24(CoordinateConverter.EncodeDegree(coordinate.Latitude), data, startIndex + 3);
}
