private void DrawWave(GearedValues <ObservablePoint> data)
{
var maxf = data.Select(x => x.Y).Max();
var minf = data.Select(x => x.Y).Min();
GearedValues <ObservablePoint> tempdata = new GearedValues <ObservablePoint>();
tempdata.AddRange(data.Select(x =>
{
x.Y = maxf - Math.Abs(x.Y - minf);
return(x);
}));
var max = Math.Round(tempdata.Select(x => x.Y).Max(), 2);
var min = Math.Round(tempdata.Select(x => x.Y).Min(), 2);
var avg = Math.Round((Math.Abs(max) + Math.Abs(min)) / 5, 2);
var step = Math.Ceiling(Math.Abs(min) / avg);
var stepmax = Math.Ceiling(Math.Abs(max) / avg);
min = min >= 0 ? (avg * step) : (-1 * avg * step);
max = max >= 0 ? (avg * stepmax) : (-1 * avg * stepmax);
maxVal = max;
minVal = min;
Yaxis.MaxValue = max;
Yaxis.MinValue = min;
XFormatter = val => (val).ToString() + "ms";
YFormatter = val =>
{
return(Math.Round((max - Math.Abs(val - min)), 1).ToString() + "Ω");
};
YaxisSpe.Step = Math.Abs(avg);
series = new SeriesCollection();
series.Add(new GLineSeries
{
StrokeThickness = 2,
Stroke = new SolidColorBrush(System.Windows.Media.Color.FromRgb(28, 142, 196)),
Fill = System.Windows.Media.Brushes.Transparent,
LineSmoothness = 10,//0为折现样式
PointGeometrySize = 0,
PointForeground = new SolidColorBrush(System.Windows.Media.Color.FromRgb(34, 46, 49)),
Values = tempdata
});
chart_wave.Series = series;
//Yaxis.Sections = new SectionsCollection {
// new AxisSection
// {
// Value = maxVal-Math.Abs(minVal),
// Stroke = Brushes.Red,
// StrokeThickness = 1.5,
// },
//};
}
private Tuple <int, int> CutWave(GearedValues <ObservablePoint> wave, int cutHeaderLever = 400)
{
double needSelectData = Math.Round((wave.Select(x => x.Y).Max() + wave.Select(x => x.Y).Min()) / 2, 3);
ObservablePoint[] twopoint = new ObservablePoint[2];
double[] tempD = wave.Select(x => Math.Round(x.Y, 3)).ToArray();
double Xmin = 0.00;
double Xmax = 300.00;
for (int i = 1; i < 6000; i++)
{
if ((tempD[i - 1] >= needSelectData && tempD[i] <= needSelectData) || (tempD[i] >= needSelectData && tempD[i - 1] <= needSelectData))
{
twopoint[0] = wave[i];
Xmin = wave[i].X;
break;
}
}
for (int i = 5999; i > 1; i--)
{
if ((tempD[i - 1] >= needSelectData && tempD[i] <= needSelectData) || (tempD[i] >= needSelectData && tempD[i - 1] <= needSelectData))
{
Xmax = wave[i].X;
break;
}
}
int skip = 0;
int take = 0;
if (Xmin < 20)
{
skip = 0;
}
else
{
skip = (int)(Xmin * 20 - cutHeaderLever);
}
if (Xmax > 280)
{
take = (int)((300 - Xmin) * 20);
}
else
{
take = (int)((Xmax - Xmin) * 20 + cutHeaderLever);
}
return(new Tuple <int, int>(skip, take));
}
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);
}
