void CreataSampleData(int nser, int npts)
{
_chart.BeginUpdate();
DataSeriesCollection sc = _chart.Data.Children;
sc.Clear();
for (int iser = 0; iser < nser; iser++)
{
double phase = 0.05 + 0.1 * _rnd.NextDouble();
double amp = 1 + 5 * _rnd.NextDouble();
DataSeries ds = new DataSeries();
double[] vals = new double[npts];
for (int i = 0; i < npts; i++)
{
vals[i] = amp * Math.Sin(i * phase);
}
ds.ValuesSource = vals;
ds.Label = "S " + iser.ToString();
ds.ConnectionStrokeThickness = 2;
sc.Add(ds);
}
_chart.EndUpdate();
}
private void ClearPlot()
{
DataSeriesCollection.Clear();
PlotSeriesCollection.Clear();
Labels.Clear();
PlotTitles.Clear();
PlotModel.Title = "";
foreach (var axis in PlotModel.Axes)
{
axis.Reset();
}
}