/// <summary>
/// 只更新数据源
/// </summary>
public void UpdatePointData(int traceIndex)
{
if (Traces.Count() == 0)
{
return;
}
isCouple.IsChecked = false;
graph.RenderMode = RenderMode.Hardware;
this.lstYxis.ItemsSource = Traces;
List <Point[]> dataSource = new List <Point[]>();
List <AxisDouble> axisDouble = new List <AxisDouble>();
listMarker.ItemsSource = null;
int index = 0;
foreach (var tr in Traces)
{
if (index > 7)
{
index = 0;
}
dataSource.Add(ProcessData(tr.TraceData));
Plot p = new Plot()
{
Renderer = new LinePlotRenderer()
{
Stroke = Brushes[index], StrokeThickness = 1.5
}
};
tr.Color = (SolidColorBrush)(p.Renderer as LinePlotRenderer).Stroke;
graph.Plots.Add(p);
foreach (Marker marker in tr.Markers)
{
NationalInstruments.Controls.Cursor cursor = GetCursor();
cursor.Plot = p;
graph.Children.Add(cursor);
double x1 = tr.TraceData.Select(x => x.X).Min();
double x2 = tr.TraceData.Select(x => x.X).Max();
cursor.SetDataPosition(new List <double>()
{
(marker.X - x1) / (x2 - x1), marker.Y
});
cursor.Tag = marker.DisplayName;
cursor.Label = new Label()
{
Content = tr.Markers.IndexOf(marker), Foreground = (p.Renderer as LinePlotRenderer).Stroke
};
cursor.CrosshairBrush = (p.Renderer as LinePlotRenderer).Stroke;
}
p.VerticalScale = graph.Axes[traceIndex];
index++;
}
getlimitPoint(Traces[traceIndex]);
listMarker.ItemsSource = graph.Children;
_LastSelectedTrace = Traces[traceIndex];
if (_limitPointlist.Count() > 0)
{
foreach (var points in _limitPointlist)
{
dataSource.Add(ProcessData(points));
Plot p = new Plot()
{
Renderer = new LinePlotRenderer()
{
Stroke = new SolidColorBrush(Colors.Red)
}
};
graph.Plots.Add(p);
}
}
graph.DataSource = dataSource;
lstYxis.SelectedItem = Traces[traceIndex];
isCouple.IsChecked = true;
}