public override void Draw(Graphics g, MathItem mathItem, Func <double, int> scaleY, Func <double, int> scaleX)
{
double maxx = double.NaN;
double max = double.NaN;
foreach (PointD pt in mathItem.Trace.GetPointsBetweenMarkers(mathItem.Marker1, mathItem.Marker2))
{
if (double.IsNaN(max))
{
max = pt.Y;
maxx = pt.X;
}
else if (pt.Y < max)
{
max = pt.Y;
maxx = pt.X;
}
}
if (!double.IsNaN(max))
{
int x = scaleX(maxx);
int y = scaleY(max);
g.DrawCross(mathItem.Pen, new Point(x, y), 5);
}
}
public override object Calculate(MathItem mathItem)
{
double avg = 0;
IEnumerable <PointD> pts = mathItem.Trace.GetPointsBetweenMarkers(mathItem.Marker1, mathItem.Marker2);
foreach (PointD pt in pts)
{
avg += pt.Y;
}
return(avg / pts.Count());
}
public override object Calculate(MathItem mathItem)
{
double min = double.NaN;
foreach (PointD pt in mathItem.Trace.GetPointsBetweenMarkers(mathItem.Marker1, mathItem.Marker2))
{
if (double.IsNaN(min))
{
min = pt.Y;
}
else if (pt.Y < min)
{
min = pt.Y;
}
}
return(min);
}
public override void Draw(Graphics g, MathItem mathItem, Func <double, int> scaleY, Func <double, int> scaleX)
{
double avg = 0;
int px = 0;
int py = 0;
int x = 0;
int y = 0;
bool first = true;
foreach (PointD pt in mathItem.Trace.GetPointsBetweenMarkers(mathItem.Marker1, mathItem.Marker2))
{
avg = avg + (pt.Y - avg) / N;
px = x;
py = y;
x = scaleX(pt.X);
y = scaleY(avg);
if (!first)
{
g.DrawLine(mathItem.Pen, px, py, x, y);
}
first = false;
}
}
public override void Draw(Graphics g, MathItem mathItem, Func <double, int> scaleY, Func <double, int> scaleX)
{
double k1 = 0;
double k2 = 0;
double k3 = 0;
double k4 = 0;
double xAvg = 0;
double yAvg = 0;
PointD[] points = mathItem.Trace.GetPointsBetweenMarkers(mathItem.Marker1, mathItem.Marker2).ToArray();
foreach (PointD pt in points)
{
k1 += pt.X * pt.Y;
k2 += pt.X;
k3 += pt.Y;
k4 += Math.Pow(pt.X, 2);
xAvg += pt.X;
yAvg += pt.Y;
}
xAvg /= points.Length;
yAvg /= points.Length;
double a1 = ((points.Length * k1) - (k2 * k3)) / (points.Length * k4 - Math.Pow(k2, 2));
double a0 = yAvg - (a1 * xAvg);
int x1 = scaleX(mathItem.Marker1.X);
int x2 = scaleX(mathItem.Marker2.X);
int y1 = scaleY(mathItem.Marker1.X * a1 + a0);
int y2 = scaleY(mathItem.Marker2.X * a1 + a0);
g.DrawLine(mathItem.Pen, x1, y1, x2, y2);
}
public override object Calculate(MathItem mathItem)
{
return(mathItem.Marker2.X - mathItem.Marker1.X);
}
public override object Calculate(MathItem mathItem)
{
return(0);
}
