private void DrawZeroAxises(ScatterPointCollection points)
{
if (ShowZeroAxises)
{
var calculator = new ScatterplotCalculator(points);
if (calculator.MinX < 0 && calculator.MaxX > 0)
{
var x1 = CanvasCalculator.GetX(0);
var x2 = x1;
var y1 = CanvasCalculator.GetY(calculator.MinY);
var y2 = CanvasCalculator.GetY(calculator.MaxY);
_zeroVerticalLine = new Line()
{
X1 = x1,
X2 = x2,
Y1 = y1,
Y2 = y2,
StrokeThickness = 0.5,
StrokeDashArray = new DoubleCollection(new Double[] { 2, 4 }),
Stroke = Brushes.Black
};
mainCanvas.Children.Add(_zeroVerticalLine);
}
if (calculator.MinY < 0 && calculator.MaxY > 0)
{
var x1 = CanvasCalculator.GetX(calculator.MinX);
var x2 = CanvasCalculator.GetX(calculator.MaxX);
var y1 = CanvasCalculator.GetY(0);
var y2 = y1;
_zeroHorizontalLine = new Line()
{
X1 = x1,
X2 = x2,
Y1 = y1,
Y2 = y2,
StrokeThickness = 0.5,
StrokeDashArray = new DoubleCollection(new Double[] { 2, 4 }),
Stroke = Brushes.Black
};
mainCanvas.Children.Add(_zeroHorizontalLine);
}
}
else
{
if (_zeroHorizontalLine != null)
{
mainCanvas.Children.Remove(_zeroHorizontalLine);
}
if (_zeroVerticalLine != null)
{
mainCanvas.Children.Remove(_zeroVerticalLine);
}
}
}
public void Init(ScatterPointCollection points, Outliers outliers, string labelX, string lableY)
{
Reset();
_lableX = labelX.ToUpperFirstLetter();
_lableY = lableY.ToUpperFirstLetter();
_points = points;
_outliers = outliers;
}
public void Init(string labelX, string lableY, ScatterPointCollection points)
{
ResetCanvas();
_lableX = labelX;
_lableY = lableY;
_points = points;
Draw();
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
var f = new ThreeSigmaOutliersFinder(_points.Select(p => p.Y));
var outliersY = f.Find();
f = new ThreeSigmaOutliersFinder(_points.Select(p => p.X));
var outliersX = f.Find();
_points = new ScatterPointCollection(_points.Where(p => outliersY.Contains(p.Y) == false));
_points = new ScatterPointCollection(_points.Where(p => outliersX.Contains(p.X) == false));
ResetCanvas();
Draw();
}
private void DrawPoints(ScatterPointCollection points, bool drawOutliers)
{
IEnumerable <double> outliersY = new Double[0];
IEnumerable <double> outliersX = new Double[0];
if (drawOutliers)
{
var f = new ThreeSigmaOutliersFinder(points.Select(p => p.Y));
outliersY = f.Find();
f = new ThreeSigmaOutliersFinder(points.Select(p => p.X));
outliersX = f.Find();
}
var calculator = new ScatterplotCalculator(points);
foreach (var p in points)
{
var color = new ColorPicker().Pick(p.Group);
var brush = new SolidColorBrush(color);
var ellipse = new Ellipse()
{
Fill = brush, Height = 10, Width = 10
};
if (Math.Abs(p.SubGroup) > 1)
{
ellipse.Stroke = new SolidColorBrush(new ColorPicker().RevertColor(color));
ellipse.StrokeThickness = 2;
}
if (outliersY.Contains(p.Y))
{
ellipse.Height = 20;
ellipse.Width = 20;
}
if (outliersX.Contains(p.X))
{
ellipse.Height = 20;
ellipse.Width = 20;
}
Canvas.SetLeft(ellipse, CanvasCalculator.GetX(p.X) - 5);
Canvas.SetTop(ellipse, CanvasCalculator.GetY(p.Y) - 5);
ellipse.DataContext = p;
mainCanvas.Children.Add(ellipse);
}
}
