private void deriv_CheckedChanged(object sender, EventArgs e)
{
chart.DisableRedraw();
rawWData.clear();
if (deriv.Checked)
{
for (int i = 24; i < count; i++)
{
rawWData.AddPoint(new pointXY()
{
x = stamp[i], y = rawW[i] - rawW[i - 24]
});
}
}
else
{
for (int i = 0; i < count; i++)
{
rawWData.AddPoint(new pointXY()
{
x = stamp[i], y = rawW[i]
});
}
}
this.recomputeError(true);
chart.AllowRedraw();
}
public void recomputeAvgTemp(bool refresh)
{
if (refresh)
{
chart.DisableRedraw();
}
if (refresh)
{
avgTempData.clear();
}
double ratio = aRatio * 0.001;
double compt = temp[0];
for (int i = 1; i < count; i++)
{
double dt = temp[i] - compt;
compt += ratio * dt;
avgTemp[i] = compt;
if (refresh)
{
avgTempData.AddPoint(new pointXY()
{
x = stamp[i], y = avgTemp[i]
});
}
}
this.estimateAlpha();
this.estimateOffset(refresh);
if (refresh)
{
chart.AllowRedraw();
}
}
public void recomputeError(bool refresh)
{
double sumSq = 0;
for (int i = 1; i < count; i++)
{
pred[i] = alpha * avgTemp[i] + beta * deltaTemp[i] + autoOffset;
sumSq += (rawW[i] - pred[i]) * (rawW[i] - pred[i]);
}
avgSqError = sumSq / (count - 1);
if (refresh)
{
rmsError.Text = (Math.Round(Math.Sqrt(avgSqError) * 10000) / 10000).ToString();
chart.DisableRedraw();
predData.clear();
errorData.clear();
if (deriv.Checked)
{
for (int i = 25; i < count; i++)
{
predData.AddPoint(new pointXY()
{
x = stamp[i], y = pred[i] - pred[i - 24]
});
}
}
else
{
for (int i = 1; i < count; i++)
{
predData.AddPoint(new pointXY()
{
x = stamp[i], y = pred[i]
});
}
}
for (int i = 1; i < count; i++)
{
errorData.AddPoint(new pointXY()
{
x = stamp[i], y = rawW[i] - pred[i]
});
}
chart.AllowRedraw();
}
}
public void newTempSensorData(YTemperature source, YMeasure data)
{
pointXY p = new pointXY()
{
x = data.get_endTimeUTC(), y = data.get_averageValue()
};
TempData.Add(p);
monitor_tData.AddPoint(p);
}
public void newGenericSensorData(YGenericSensor source, YMeasure data)
{
pointXY p = new pointXY()
{
x = data.get_endTimeUTC(), y = data.get_averageValue()
};
WeightData.Add(p);
monitor_wData.AddPoint(p);
}
public void recomputeDeltaTemp(bool refresh)
{
if (refresh)
{
chart.DisableRedraw();
}
if (refresh)
{
deltaTempData.clear();
}
double ratio = bRatio * 0.001;
double compt = temp[0];
for (int i = 1; i < count; i++)
{
double dt = temp[i] - compt;
compt += ratio * dt;
deltaTemp[i] = dt;
if (refresh)
{
deltaTempData.AddPoint(new pointXY()
{
x = stamp[i], y = deltaTemp[i]
});
}
}
this.estimateBeta();
this.estimateAvgRate(refresh);
this.recomputeAvgTemp(refresh);
if (refresh)
{
chart.AllowRedraw();
}
}
public void loadFile(string fname)
{
FileInfo fileInfo = new FileInfo(fname);
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
CultureInfo culture = CultureInfo.InvariantCulture;
count = 0;
using (var reader = new StreamReader(fname))
{
while (!reader.EndOfStream && count < maxPoints)
{
var line = reader.ReadLine();
var values = line.Split(';');
if (values.Length < 3)
{
break;
}
if (values[0].Contains("stamp"))
{
continue;
}
stamp[count] = (DateTime.ParseExact(values[0], "yyyy.MM.dd HH:mm:ss.ff", culture) - epoch).TotalSeconds;
temp[count] = float.Parse(values[1], culture);
rawW[count] = float.Parse(values[2], culture);
count++;
}
}
if (count < 100)
{
count = 0;
disable_textChangeEvents = true;
dialogTitle.Text = "Invalid file";
errorMessage.Text = "CSV file with at least 100 lines and 3 columns expected";
errorMessage.Visible = true;
progressBar.Visible = false;
dialogButton.Text = "Close";
dialogPanel.Visible = true;
return;
}
fileName.Text = fileInfo.Name;
count -= 24;
learnCount = 3 * count / 4;
disable_textChangeEvents = false;
chart.DisableRedraw();
tempData = chart.addSerie();
avgTempData = chart.addSerie();
deltaTempData = chart.addSerie();
rawWData = chart.addSerie();
predData = chart.addSerie();
errorData = chart.addSerie();
for (int i = 0; i < count; i++)
{
tempData.AddPoint(new pointXY()
{
x = stamp[i], y = temp[i]
});
rawWData.AddPoint(new pointXY()
{
x = stamp[i], y = rawW[i]
});
}
chart.xAxis.min = stamp[count * 3 / 4];
chart.xAxis.max = stamp[count - 1];
tempData.legend = "Temperature";
tempData.color = Color.DarkRed;
tempData.disabled = !showTemp.Checked;
avgTempData.legend = "Avg.Temp.";
avgTempData.color = Color.Red;
avgTempData.disabled = !showAvg.Checked;
deltaTempData.legend = "Delta.Temp.";
deltaTempData.color = Color.DarkOrange;
deltaTempData.disabled = !showDelta.Checked;
rawWData.legend = "Zero Drift";
rawWData.color = Color.DarkBlue;
rawWData.yAxisIndex = 1;
rawWData.disabled = !showRawW.Checked;
predData.legend = "Pred.Drift";
predData.color = Color.Blue;
predData.yAxisIndex = 1;
predData.disabled = !showPrediction.Checked;
errorData.legend = "Residual Error";
errorData.color = Color.Black;
errorData.yAxisIndex = 1;
errorData.disabled = !showError.Checked;
chart.AllowRedraw();
this.optimizeDeltaRate();
}