public PointsAndPeaks FindPeaks(List<ECGData> points, int lead, bool findPeaks = true)
{
PointsAndPeaks result = new PointsAndPeaks();
result.Peaks = new List<ECGAnalyzer.Peak>();
result.Points = new List<double>();
for (int i = 0; i < points.Count; i++)
{
double v = 0;
Random rand = new Random();
v = points[i].Lead2.FilteredValue;
result.Points.Add(v);
if (findPeaks)
{
List<ECGAnalyzer.Peak> peaks = _analyzer.Update(v);
if (peaks != null && peaks.Count > 0)
foreach (var p in peaks)
result.Peaks.Add(new ECGAnalyzer.Peak(p.Type, p.Tic - points.Count + i, p.GlobalTic, p.Voltage));
}
}
return result;
}
void AddPoints(PointsAndPeaks pointsAndPeaks)
{
if (!_isInit)
{
_isInit = true;
Init();
ClearImage();
}
var values = pointsAndPeaks.Points;
var peaks = pointsAndPeaks.Peaks;
int count = values == null ? 0 : values.Count();
Label.Text = count.ToString();
double wholeStep = StepPerPoint * count; // StepPerBeat;
int windowWidth = (int)Math.Round(VG.ActualWidth);
int delta = (int)Math.Round(_currentX + wholeStep - windowWidth);
if (count > 0)
{
double _start = _currentX;
double dx = wholeStep / count;
if (delta > 0)
{
int j = (int)((wholeStep - delta) / dx);
int[] points = new int[j * 2 + 4];
AddStartPoint(points);
FillPoints(points, 2, 0, j, values, dx);
double x = points[j * 2] + dx - windowWidth;
double converted = ConvertValue(values[j]);
double y = (converted - points[j * 2 + 1]) / dx * x + points[j * 2 + 1];
points[j * 2 + 2] = windowWidth;
points[j * 2 + 3] = (int)Math.Round(y);
DrawLines(points);
ClearImage();
if (AutoShift)
{
Max = (_maxY + _minY) / 2 + 1;
Min = (_maxY + _minY) / 2 - 1;
_maxY = _minY = values[j];
}
_currentX = 0;
points = new int[(values.Count - j + 1) * 2];
AddStartPoint(points);
FillPoints(points, 2, j, values.Count - j, values, dx);
DrawLines(points);
_currentX = delta;
}
else
{
int[] points = new int[values.Count * 2 + 2];
AddStartPoint(points);
if (points[0] == 0)
_maxY = _minY = values[0];
FillPoints(points, 2, 0, values.Count, values, dx);
DrawLines(points);
_currentX = _start + wholeStep;
}
DrawPicks(peaks, dx, windowWidth);
}
else
{
int[] points = new int[4];
AddStartPoint(points);
if (delta > 0)
{
points[2] = windowWidth;
points[3] = _currentY;
DrawLines(points);
ClearImage();
points[0] = 0;
points[2] = delta;
DrawLines(points);
_currentX = delta;
}
else
{
points[2] = (int)Math.Round(_currentX + wholeStep);
points[3] = _currentY;
DrawLines(points);
_currentX = _currentX + wholeStep;
}
}
OldClipRect.Rect = new Rect(_currentX, 0, VG.ActualWidth, VG.ActualHeight);
}