private void ReadFromRawGPS(RawGPS rawGPS)
{
const uint HemisphereMask = 0x80000000;
const uint CoordinateMask = 0x1FFFFFFF;
const decimal CoordinatesDivisor = 1000000;
const decimal DirectionDivisor = 100;
const decimal SpeedDivisor = 100;
Viled = (GpsReliability)rawGPS.viled;
Expand = rawGPS.uexpand;
Real = (DataType)rawGPS.ureal;
Reserved = rawGPS.reserver;
Latitude = new LatitudeType {
Hemisphere = (LatitudeType.LatHemisphere)(rawGPS.ulatitude & HemisphereMask), Latitude = (rawGPS.ulatitude & CoordinateMask) / CoordinatesDivisor
};
Longitude = new LongitudeType {
Hemisphere = (LongitudeType.LonHemisphere)(rawGPS.ulatitude & HemisphereMask), Longitude = (rawGPS.ulongitude & CoordinateMask) / CoordinatesDivisor
};
Speed = rawGPS.uspeed / SpeedDivisor;
Height = rawGPS.uhigh;
Direction = rawGPS.uhigh / DirectionDivisor;
var dateString = Encoding.Default.GetString(rawGPS.utime).Trim('\0');
try
{
Time = DateTime.ParseExact(dateString, "yyyyMMddHHmmss", CultureInfo.InvariantCulture);
}
catch (FormatException)
{
Console.WriteLine("[ERROR]DATE FORMAT IS INAPPROPRIATE", ConsoleColor.Red);
}
}
public override void WriteJson(JsonWriter writer,
object untypedValue,
JsonSerializer serializer)
{
if (untypedValue == null)
{
serializer.Serialize(writer,
null);
return;
}
LatitudeType value = (LatitudeType)untypedValue;
if (value == LatitudeType.Quantitative)
{
serializer.Serialize(writer,
"quantitative");
return;
}
throw new Exception("Cannot marshal type LatitudeType");
}
/// <summary>
/// 纬度转化为度（带单位）
/// </summary>
/// <param name="degree"></param>
/// <param name="minute"></param>
/// <param name="second"></param>
/// <param name="latitudeType"></param>
/// <returns></returns>
public static double ToStandardRadian(double subDegree, double subMinute, double subSecond, LatitudeType latitudeType)
{
var totalDegree = subDegree + subMinute / _degreeToMiniute + subSecond / _degreeToSecond;
var type = latitudeType == LatitudeType.N ? 1 : -1;
return(type * totalDegree);
}
