public void InvalidateData()
 {
     ColorMin = double.NaN;
     ColorMax = double.NaN;
     ScatterPlotPlane.InvalidateData();
     ScatterPlotPlane.Invalidate();
 }
 public void InitScatterPlotData()
 {
     if (IsEmpty)
     {
         SetRange(-3, 3, -3, 3);
     }
     else
     {
         CalcRanges();
     }
     ScatterPlotPlane.SetScatterPlotData(scatterPlotViewer.MainWidth, scatterPlotViewer.MainHeight);
 }