private void GpsdServiceOnLocationChanged(object source, GpsDataEventArgs e)
{
Dispatcher.Invoke(() =>
{
if (GpsTextBox == null)
{
return;
}
GpsTextBox.Text = GpsTextBox.Text + e + "\n";
});
Console.WriteLine(e.ToString());
}
protected virtual void OnGpsDataReceived(GpsDataEventArgs e)
{
if (GpsInfo.CoordinateSystem == GpsCoordinateSystem.Lambert72)
{
var x = 0.0d;
var y = 0.0d;
var h = 0.0d;
CoordinateConverterUtilities.GeoETRS89ToLambert72(e.Latitude, e.Longitude, 0, ref x, ref y, ref h);
e.CoordinateSystem = GpsCoordinateSystem.Lambert72;
e.Latitude = x;
e.Longitude = y;
}
GpsCallbackEvent?.Invoke(this, e);
}
private void gpscontrol_GPSDataEvent(object sender, GpsDataEventArgs e)
{
if (isAdjust)
{
return;
}
if (e.Gsa.FormatFixType() != GSA.FixType.Fix_not)
{
string strdate = e.Rmc.FormatDate();
string strtime = e.Gga.FormatTime();
//strdate = "2012-07-25";
if (Utility.UpdateTime(strdate, strtime))
{
isAdjust = true;
AddToMemo("重新校准了系统时间");
RefreshTime();
GValue.SoundAlarmA();
}
}
}
private static void GpsdServiceOnLocationChanged(object sender, GpsDataEventArgs e)
{
System.Console.WriteLine(e.ToString());
}
public override bool Connect()
{
var data = (FileGpsInfo)GpsInfo;
IsRunning = true;
OnGpsStatusChanged(GpsStatus.Connecting);
var parser = new NmeaParser();
var gpsdDataParser = new GpsdDataParser();
var headerLine = true;
var latColumnIndex = 0;
var longColumnIndex = 0;
var minArraySize = 0;
try
{
using (var streamReader = File.OpenText(data.FilePath))
{
string line;
OnGpsStatusChanged(GpsStatus.Connected);
while (IsRunning && (line = streamReader.ReadLine()) != null)
{
OnRawGpsDataReceived(line);
switch (data.FileType)
{
case FileType.Nmea:
var nmeaResult = parser.Parse(line);
var result = nmeaResult as GprmcMessage;
if (result == null)
{
continue;
}
OnGpsDataReceived(new GpsDataEventArgs(result));
break;
case FileType.Gpsd:
var gpsdResult = gpsdDataParser.GetGpsData(line);
var gpsLocation = gpsdResult as GpsLocation;
if (gpsLocation == null)
{
continue;
}
OnGpsDataReceived(new GpsDataEventArgs(gpsLocation));
break;
case FileType.LatitudeLongitude:
if (headerLine)
{
var headers = line.Split(';');
for (var i = 0; i < headers.Length; i++)
{
if (headers[i] == Properties.Settings.Default.File_Latitude_Header)
{
latColumnIndex = i;
}
if (headers[i] == Properties.Settings.Default.File_Longitude_Header)
{
longColumnIndex = i;
}
}
minArraySize = Math.Max(latColumnIndex, longColumnIndex);
headerLine = false;
}
else
{
var latLongResult = line.Split(';');
if (latLongResult.Length < 2)
{
throw new InvalidFileFormatException(data.FilePath);
}
if (latLongResult.Length < minArraySize)
{
continue;
}
double latitude;
if (
!double.TryParse(latLongResult[latColumnIndex], NumberStyles.Any,
CultureInfo.InvariantCulture, out latitude))
{
continue;
}
double longitude;
if (
!double.TryParse(latLongResult[longColumnIndex], NumberStyles.Any,
CultureInfo.InvariantCulture, out longitude))
{
continue;
}
var message = new GpsDataEventArgs(latitude, longitude);
OnGpsDataReceived(message);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
Thread.Sleep(data.ReadFrequenty);
}
Disconnect();
return(true);
}
}
catch
{
Disconnect();
throw;
}
}
