public void Read(BindingAssistant assistant)
{
_isReading = !_isReading;
Task.Factory.StartNew(() =>
{
_timeStamp = DateTime.Now;
Values1.Clear();
Values2.Clear();
Values3.Clear();
while (_isReading)
{
Thread.Sleep(100);
var newItems = GetNext(1);
Values1.AddRange(newItems.Select(x => x.Series1Lecture));
Values2.AddRange(newItems.Select(x => x.Series2Lecture));
Values3.AddRange(newItems.Select(x => x.Series3Lecture));
if (_refreshAxis)
{
var lastPoint = Values3.DefaultIfEmpty(new LecturePoint()).Last().TimeSpan;
assistant.To = lastPoint.Ticks;
assistant.From = lastPoint.Ticks - TimeSpan.FromSeconds(10).Ticks;
}
}
});
}
public void PictureLast10(BindingAssistant assistant)
{
var lastPoint = Values3.DefaultIfEmpty(new LecturePoint()).Last().TimeSpan;
assistant.To = lastPoint.Ticks;
assistant.From = lastPoint.Ticks - TimeSpan.FromSeconds(10).Ticks;
_isReading = false;
}
public StackedForm()
{
InitializeComponent();
cartesianChart1.DisableAnimations = true;
cartesianChart1.Pan = PanningOptions.X;
cartesianChart1.Series.Add(new GLineSeries
{
Values = _vm.Values1,
StrokeThickness = 0,
AreaLimit = 0,
PointGeometry = null
});
cartesianChart1.Series.Add(new GLineSeries
{
Values = _vm.Values2,
StrokeThickness = 0,
AreaLimit = 0,
PointGeometry = null
});
cartesianChart1.Series.Add(new GLineSeries
{
Values = _vm.Values3,
StrokeThickness = 0,
AreaLimit = 0,
PointGeometry = null
});
//z index order
Panel.SetZIndex((FrameworkElement)cartesianChart1.Series[0], 3);
Panel.SetZIndex((FrameworkElement)cartesianChart1.Series[1], 2);
Panel.SetZIndex((FrameworkElement)cartesianChart1.Series[2], 1);
cartesianChart1.AxisX.Add(new Axis
{
LabelFormatter = _vm.XFormatter,
Separator = new Separator
{
Step = _vm.Step,
IsEnabled = false
}
});
cartesianChart1.AxisY.Add(new Axis
{
MinValue = -1,
MaxValue = 1,
LabelFormatter = _vm.YFormatter,
Separator = new Separator
{
Stroke = new SolidColorBrush(Color.FromRgb(235, 235, 235))
}
});
scrollerchart.DisableAnimations = true;
scrollerchart.ScrollMode = ScrollMode.X;
scrollerchart.ScrollBarFill = new SolidColorBrush(Color.FromArgb(25, 30, 30, 30));
scrollerchart.DataTooltip = null;
scrollerchart.Hoverable = false;
scrollerchart.Series.Add(new GLineSeries
{
Values = _vm.Values3,
Fill = new SolidColorBrush(Color.FromRgb(215, 67, 21)),
AreaLimit = 0,
PointGeometry = null
});
scrollerchart.AxisX.Add(new Axis
{
ShowLabels = false,
Separator = new Separator
{
IsEnabled = false
}
});
scrollerchart.AxisY.Add(new Axis
{
MinValue = -1,
MaxValue = 1,
Separator = new Separator
{
Stroke = new SolidColorBrush(Color.FromRgb(235, 235, 235))
}
});
//lets bind the charts
//the assistant synchronizes both charts
//here he are setting the initial range
_assistant = new BindingAssistant
{
From = _vm.From,
To = _vm.To
};
cartesianChart1.AxisX[0].SetBinding(Axis.MinValueProperty,
new System.Windows.Data.Binding {
Path = new PropertyPath("From"), Source = _assistant, Mode = BindingMode.TwoWay
});
cartesianChart1.AxisX[0].SetBinding(Axis.MaxValueProperty,
new System.Windows.Data.Binding {
Path = new PropertyPath("To"), Source = _assistant, Mode = BindingMode.TwoWay
});
scrollerchart.Base.SetBinding(CartesianChart.ScrollHorizontalFromProperty,
new System.Windows.Data.Binding {
Path = new PropertyPath("From"), Source = _assistant, Mode = BindingMode.TwoWay
});
scrollerchart.Base.SetBinding(CartesianChart.ScrollHorizontalToProperty,
new Binding {
Path = new PropertyPath("To"), Source = _assistant, Mode = BindingMode.TwoWay
});
}
