public MomentDetail(LogFileManager manager)
{
filemanager = manager;
InitializeComponent();
chart1.Series[0].XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.String;
ReadCache(0f);
data = CacheData2[0];
PlotGraph(data);
CacheData = CacheData2;
}
public GPSData ReadGPSstatus(float pos)
{
GPSData tempdata = new GPSData();
GPS.Position = Functions.QuantizePosition12bit(pos * GPS.Length);
Glonass.Position = Functions.QuantizePosition12bit(pos * Glonass.Length);
Sat.Position = Functions.QuantizePosition8bit(pos * Sat.Length);
timestream.Position = Functions.QuantizePosition6bit(pos * timestream.Length);
// UsedStats.Position = Functions.QuantizePosition(pos * UsedStats.Length);
// VisibleStats.Position = Functions.QuantizePosition(pos * VisibleStats.Length);
byte[] time = new byte[6];
timestream.Read(time, 0, 6);
tempdata.Time = Functions.ReadDateTime(time);
byte[] stats = new byte[16];
Sat.Read(stats, 0, 8);
int visible = 0, used = 0;
int a = stats[3]; for (int i = 2; i >= 0; --i) { a = a * 256 + stats[i];}
for (int i = 0; i < 32; ++i)
{
tempdata.GPS[i] = new Satellite();
if (a % 2 == 1)
{
tempdata.GPS[i].Signal_Status = 1; //visible
visible++;
}
else
tempdata.GPS[i].Signal_Status = 0; //not visible
a >>= 1;
}
a = stats[7]; for (int i = 2; i >= 0; --i) { a = a * 256 + stats[4 + i];}
for (int i = 0; i < 32; ++i)
{
if (a % 2 == 1)
{
tempdata.GPS[i].Signal_Status = 2; //Used
used++;
}
a >>= 1;
}
tempdata.VisibleGPS = visible;
tempdata.UsedGPS = used;
visible = 0;
used = 0;
a = stats[11]; for (int i = 2; i >= 0; --i) { a = a * 256 + stats[8 + i];}
for (int i = 0; i < 32; ++i)
{
tempdata.Glonass[i] = new Satellite();
if (a % 2 == 1)
{
tempdata.Glonass[i].Signal_Status = 1; //visible
visible++;
}
else
tempdata.Glonass[i].Signal_Status = 0; //not visible
a >>= 1;
}
a = stats[15]; for (int i = 2; i >= 0; --i) { a = a * 256 + stats[12 + i];}
for (int i = 0; i < 32; ++i)
{
if (a % 2 == 1)
{
tempdata.Glonass[i].Signal_Status = 2; //Used
used++;
}
a >>= 1;
}
tempdata.VisibleGlonass = visible;
tempdata.UsedGlonass = used;
byte[] t = new byte[12];
GPS.Read(t, 0, 12);
int index = 0;
for (int i = 0; i < 32; ++i)
{
if (tempdata.GPS[i].Signal_Status != 0) //visible
{
tempdata.GPS[i].SNR = t[index];
index++;
if (index > 12)
break;
}
}
Glonass.Read(t, 0, 12);
index = 0;
for (int i = 0; i < 32; ++i)
{
if (tempdata.Glonass[i].Signal_Status != 0) //visible
{
tempdata.Glonass[i].SNR = t[index];
index++;
if (index > 12)
break;
}
}
return tempdata;
}
public void PlotGraph(GPSData data)
{
VisibleGLONASS = VisibleGPS = UsedGLONASS = UsedGPS = 0;
int counter = 0;
for (int i = 0; i < 32; i++)
{
if (data.GPS[i].Signal_Status == 1)
{
try
{
chart1.Series[0].Points[counter].SetValueXY(i.ToString() + "(" + data.GPS[i].SNR.ToString() + ")", data.GPS[i].SNR);
chart1.Series[0].Points[counter].Color = Color.Blue;
}
catch
{
chart1.Series[0].Points.AddXY(i.ToString() + "(" + data.GPS[i].SNR.ToString() + ")", data.GPS[i].SNR);
chart1.Series[0].Points[chart1.Series[0].Points.Count-1].Color = Color.Blue;
}
VisibleGPS++;
counter++;
}
if (data.GPS[i].Signal_Status == 2)
{
try
{
chart1.Series[0].Points[counter].SetValueXY(i.ToString() + "(" + data.GPS[i].SNR.ToString() + ")", data.GPS[i].SNR);
chart1.Series[0].Points[counter].Color = Color.Green;
}
catch
{
chart1.Series[0].Points.AddXY(i.ToString() + "(" + data.GPS[i].SNR.ToString() + ")", data.GPS[i].SNR);
chart1.Series[0].Points[chart1.Series[0].Points.Count-1].Color = Color.Green;
}
VisibleGPS++;
UsedGPS++;
counter++;
}
}
//removing previous unneccesary datas
if (counter < chart1.Series[0].Points.Count && counter != 0)
{
for (int i = chart1.Series[0].Points.Count-1; i >= counter; i--)
chart1.Series[0].Points.RemoveAt(i);
}
counter = 0;
for (int i = 0; i < 32; i++)
{
if (data.Glonass[i].Signal_Status == 1)
{
try
{
chart2.Series[0].Points[counter].SetValueXY(i.ToString() + "(" + data.Glonass[i].SNR.ToString() + ")", data.Glonass[i].SNR);
chart2.Series[0].Points[counter].Color = Color.Blue;
}
catch
{
chart2.Series[0].Points.AddXY(i.ToString() + "(" + data.Glonass[i].SNR.ToString() + ")", data.Glonass[i].SNR);
chart2.Series[0].Points[chart1.Series[0].Points.Count - 1].Color = Color.Blue;
}
VisibleGLONASS++;
counter++;
}
if (data.Glonass[i].Signal_Status == 2)
{
try
{
chart2.Series[0].Points[counter].SetValueXY(i.ToString() + "(" + data.Glonass[i].SNR.ToString() + ")", data.Glonass[i].SNR);
chart2.Series[0].Points[counter].Color = Color.Green;
}
catch
{
chart2.Series[0].Points.AddXY(i.ToString() + "(" + data.Glonass[i].SNR.ToString() + ")", data.Glonass[i].SNR);
chart2.Series[0].Points[chart1.Series[0].Points.Count - 1].Color = Color.Green;
}
VisibleGLONASS++;
UsedGLONASS++;
counter++;
}
}
//removing previous unneccesary datas
if (counter < chart2.Series[0].Points.Count && counter != 0)
{
for (int i = chart2.Series[0].Points.Count - 1; i >= counter; i--)
chart2.Series[0].Points.RemoveAt(i);
}
updateLabels(data.Time,VisibleGPS,UsedGPS,VisibleGLONASS,UsedGLONASS);
}
public void UpdateData(double xpos, DateTime time)
{
position = (float)xpos;
data = filemanager.ReadGPSstatus(position);
ReadCache(position);
updateLabels(time,0,0,0,0);
PlotGraph(data);
CacheData = CacheData2;
}