/// <summary>
/// Updates the canvas constantly.
/// </summary>
private void DispatcherLoop()
{
DispatcherTimer dispatcher = new DispatcherTimer {
Interval = TimeSpan.FromSeconds(1)
};
dispatcher.Tick += (s, e) =>
{
// create all points of the column up to this "time" for both feature & correlated feature
PointCollection points = vm.GetPointsByCol((string)ColNames.SelectedItem);
PointCollection pointsCorr = vm.GetPointsByCol(vm.CorrData[(string)ColNames.SelectedItem]);
// connect them with a line
Polyline polyline = new Polyline
{
StrokeThickness = 0.5,
Stroke = Brushes.LightSkyBlue,
Points = points
};
canGraph.Children.Add(polyline);
Polyline polyline1 = new Polyline
{
StrokeThickness = 0.5,
Stroke = Brushes.LightSkyBlue,
Points = pointsCorr
};
corrGraph.Children.Add(polyline1);
// create the regression line:
Polyline polylineCorr = new Polyline
{
StrokeThickness = 1,
Stroke = Brushes.IndianRed,
Points = vm.GetLineRegPoints((string)ColNames.SelectedItem, LinReg.Height, LinReg.Width)
};
LinReg.Children.Add(polylineCorr);
// draw the correlates features' points on the regression graph:
PointCollection points1 = vm.GetCorrelatedRegPoints((string)ColNames.SelectedItem, vm.CorrData[(string)ColNames.SelectedItem]);
// delete the already-drawn graphs if user goes backwards
if (nextLine > vm.VMCurrentLineIndex)
{
canGraph.Children.RemoveRange(2, canGraph.Children.Count - 2);
corrGraph.Children.RemoveRange(2, corrGraph.Children.Count - 2);
}
// update the next line in the detector and in the vm
abstractDetector.CurrentLineIndex = vm.VMCurrentLineIndex;
nextLine = vm.VMCurrentLineIndex;
};
dispatcher.Start();
}
