/// <summary>
/// Initializes the NMEA Geographic position, Latitude and Longitude and parses an NMEA sentence
/// </summary>
/// <param name="NMEAsentence"></param>
public GPGLL(string NMEAsentence)
{
try
{
//Split into an array of strings.
string[] split = NMEAsentence.Split(new Char[] { ',' });
try
{
_position = new Coordinate(GPSHandler.GPSToDecimalDegrees(split[3], split[4]),
GPSHandler.GPSToDecimalDegrees(split[1], split[2]));
}
catch { _position = null; }
try
{
_timeOfSolution = new TimeSpan(int.Parse(split[5].Substring(0, 2)),
int.Parse(split[5].Substring(2, 2)),
int.Parse(split[5].Substring(4)));
}
catch
{
_timeOfSolution = null; // TimeSpan.Zero;
}
_dataValid = (split[6] == "A");
}
catch { }
}
/// <summary>
/// Initializes the NMEA Global Positioning System Fix Data and parses an NMEA sentence
/// </summary>
/// <param name="NMEAsentence"></param>
public GPGGA(string NMEAsentence)
{
try
{
if (NMEAsentence.IndexOf('*') > 0)
{
NMEAsentence = NMEAsentence.Substring(0, NMEAsentence.IndexOf('*'));
}
//Split into an array of strings.
string[] split = NMEAsentence.Split(new Char[] { ',' });
if (split[1].Length >= 6)
{
TimeSpan t = new TimeSpan(GPSHandler.intTryParse(split[1].Substring(0, 2)),
GPSHandler.intTryParse(split[1].Substring(2, 2)), GPSHandler.intTryParse(split[1].Substring(4, 2)));
DateTime nowutc = DateTime.UtcNow;
nowutc = nowutc.Add(-nowutc.TimeOfDay);
_timeOfFix = nowutc.Add(t);
}
_position = new Coordinate(GPSHandler.GPSToDecimalDegrees(split[4], split[5]),
GPSHandler.GPSToDecimalDegrees(split[2], split[3]));
if (split[6] == "1")
{
_fixQuality = FixQualityEnum.GPS;
}
else if (split[6] == "2")
{
_fixQuality = FixQualityEnum.DGPS;
}
else
{
_fixQuality = FixQualityEnum.Invalid;
}
_noOfSats = Convert.ToByte(split[7]);
GPSHandler.dblTryParse(split[8], out _dilution);
GPSHandler.dblTryParse(split[9], out _altitude);
_altitudeUnits = split[10][0];
GPSHandler.dblTryParse(split[11], out _heightOfGeoid);
GPSHandler.intTryParse(split[13], out _dGPSUpdate);
_dGPSStationID = split[14];
}
catch { }
}
/// <summary>
/// Initializes the NMEA Recommended minimum specific GPS/Transit data and parses an NMEA sentence
/// </summary>
/// <param name="NMEAsentence"></param>
public GPRMC(string NMEAsentence)
{
try
{
//Split into an array of strings.
string[] split = NMEAsentence.Split(new Char[] { ',' });
//Extract date/time
try
{
string[] DateTimeFormats = { "ddMMyyHHmmss", "ddMMyy", "ddMMyyHHmmss.FFFFFF" };
if (split[9].Length >= 6) //Require at least the date to be present
{
string time = split[9] + split[1]; // +" 0";
_timeOfFix = DateTime.ParseExact(time, DateTimeFormats, GPSHandler.NumberFormatEnUs, System.Globalization.DateTimeStyles.AssumeUniversal);
}
else
{
_timeOfFix = new DateTime();
}
}
catch { _timeOfFix = new DateTime(); }
if (split[2] == "A")
{
_status = StatusEnum.OK;
}
else
{
_status = StatusEnum.Warning;
}
_position = new Coordinate(GPSHandler.GPSToDecimalDegrees(split[5], split[6]),
GPSHandler.GPSToDecimalDegrees(split[3], split[4]));
GPSHandler.dblTryParse(split[7], out _speed);
GPSHandler.dblTryParse(split[8], out _course);
GPSHandler.dblTryParse(split[10], out _magneticVariation);
}
catch { }
}