private void getResult(ObservablePoint[] ret, GearedValues <ObservablePoint> shortWave)
{
if (ret.Length == 4)
{
t1Ret = (ret[1].X - ret[0].X).ToString("N2") + " ms";
t2Ret = (ret[2].X - ret[1].X).ToString("N2") + " ms";
t3Ret = (ret[3].X - ret[2].X).ToString("N2") + " ms";
t4Ret = (ret[3].X - ret[0].X).ToString("N2") + " ms";
var arr1 = shortWave.Skip((int)(ret[0].X / 300 * 6000)).Take((int)((ret[1].X - ret[0].X) / 300 * 6000)).Select(x => Math.Round(x.Y, 2));
var arr2 = shortWave.Skip((int)(ret[2].X / 300 * 6000)).Take((int)((ret[3].X - ret[2].X) / 300 * 6000)).Select(x => Math.Round(x.Y, 2));
var arr3 = shortWave.Skip((int)(ret[1].X / 300 * 6000)).Take((int)((ret[2].X - ret[1].X) / 300 * 6000)).Select(x => Math.Round(x.Y, 2));
//double r1 = LogNormal.Estimate(arr1).Mean;
//double r2 = LogNormal.Estimate(arr2).Mean;
//double r3 = LogNormal.Estimate(arr3).Mean;
double r1 = GetElevationMode(arr1.ToList());
double r2 = GetElevationMode(arr2.ToList());
//double r3 = GetElevationMode(arr3.ToList());
double r3 = LogNormal.Estimate(arr3).Mean;
//var sss = new MathNet.Numerics.Differentiation.NumericalDerivative(20, 2);
R1Ret = r1.ToString("N2") + " Ω";
R2Ret = r2.ToString("N2") + " Ω";
R1AndR2Ret = r3.ToString("N2") + " Ω";;
}
}
private GearedValues <ObservablePoint> CutWave(GearedValues <ObservablePoint> wave, int cutHeaderLever = 400)
{
GearedValues <ObservablePoint> data = new GearedValues <ObservablePoint>();
data.AddRange(wave.Skip(cutSkip).Take(cutTake));
return(data);
}
private void DrawFourLine(GearedValues <ObservablePoint> schart, GearedValues <ObservablePoint> sundata)
{
double needSelectData = Math.Round((sundata.Select(x => x.Y).Max() + sundata.Select(x => x.Y).Min()) / 2, 3);
ObservablePoint[] twopoint = new ObservablePoint[4];
double[] tempD = sundata.Select(x => Math.Round(x.Y, 3)).ToArray();
for (int i = 1; i < 6000; i++)
{
if ((tempD[i - 1] >= needSelectData && tempD[i] <= needSelectData) || (tempD[i] >= needSelectData && tempD[i - 1] <= needSelectData))
{
twopoint[0] = sundata[i];
break;
}
}
for (int i = 5999; i > 1; i--)
{
if ((tempD[i - 1] >= needSelectData && tempD[i] <= needSelectData) || (tempD[i] >= needSelectData && tempD[i - 1] <= needSelectData))
{
twopoint[3] = sundata[i];
break;
}
}
double cuttime = cutTake * 0.05;
double skiptime = cutSkip * 0.05;
//绘制t1
Hover1.X1 = (twopoint[0].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
Hover1.X2 = (twopoint[0].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
t1.Text = "t₁";
Canvas.SetLeft(t1, Hover1.X1 - 5);
Canvas.SetBottom(t1, 5);
Hover4.X1 = (twopoint[3].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
Hover4.X2 = (twopoint[3].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
t4.Text = "t₄";
Canvas.SetLeft(t4, Hover4.X1 - 5);
Canvas.SetBottom(t4, 5);
int oneStart = (int)((twopoint[0].X) / 300 * sumChart.Count());
int fourStart = (int)((twopoint[3].X) / 300 * sumChart.Count());
var centerPoints = schart.Skip(oneStart + (fourStart - oneStart) / 4).Take((fourStart - oneStart) / 2);
int startI = oneStart + (fourStart - oneStart) / 4;
var centerValue = (centerPoints.Select(x => x.Y).Max() + centerPoints.Select(x => x.Y).Min()) / 2;
double[] centDoble = centerPoints.Select(x => Math.Round(x.Y, 3)).ToArray();
for (int i = 1; i < centDoble.Length; i++)
{
if ((centDoble[i - 1] >= centerValue && centDoble[i] <= centerValue) || (centDoble[i] >= centerValue && centDoble[i - 1] <= centerValue))
{
twopoint[1] = sundata[i + startI];
break;
}
}
for (int i = centDoble.Length - 1; i > 1; i--)
{
if ((centDoble[i - 1] >= centerValue && centDoble[i] <= centerValue) || (centDoble[i] >= centerValue && centDoble[i - 1] <= centerValue))
{
twopoint[2] = sundata[i + startI];
break;
}
}
Hover2.X1 = (twopoint[1].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
Hover2.X2 = (twopoint[1].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
t2.Text = "t₂";
Canvas.SetLeft(t2, Hover2.X1 - 5);
Canvas.SetBottom(t2, 5);
Hover3.X1 = (twopoint[2].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
Hover3.X2 = (twopoint[2].X - skiptime) / cuttime * chartCore.Width + chartCore.Left + 5;
t3.Text = "t₃";
Canvas.SetLeft(t3, Hover3.X1 - 5);
Canvas.SetBottom(t3, 5);
initLine();
getResult(twopoint, sundata);
}