public void UpdateGraphics(object parameter)
{
IntersectionPointControl.viewPortCanvas.Children.Clear();
// Line T
double tXstart = Convert.ToDouble(IntersectionPointControl.txtTXstart.Text);
double tYstart = Convert.ToDouble(IntersectionPointControl.txtTYstart.Text);
double tXend = Convert.ToDouble(IntersectionPointControl.txtTXend.Text);
double tYend = Convert.ToDouble(IntersectionPointControl.txtTYend.Text);
PointXY pointStartT = new PointXY(tXstart, tYstart);
PointXY pointEndT = new PointXY(tXend, tYend);
LineT = new LineSegment(pointStartT, pointEndT);
Line pathT = new Line();
pathT.X1 = viewPortArea.XNormalize(tXstart, IntersectionPointControl.viewPortCanvas.Width);
pathT.Y1 = viewPortArea.YNormalize(tYstart, IntersectionPointControl.viewPortCanvas.Height);
pathT.X2 = viewPortArea.XNormalize(tXend, IntersectionPointControl.viewPortCanvas.Width);
pathT.Y2 = viewPortArea.YNormalize(tYend, IntersectionPointControl.viewPortCanvas.Height);
pathT.Stroke = Brushes.Blue;
pathT.StrokeThickness = 2;
IntersectionPointControl.viewPortCanvas.Children.Add(pathT);
// Line V
double vXstart = Convert.ToDouble(IntersectionPointControl.txtVXstart.Text);
double vYstart = Convert.ToDouble(IntersectionPointControl.txtVYstart.Text);
double vXend = Convert.ToDouble(IntersectionPointControl.txtVXend.Text);
double vYend = Convert.ToDouble(IntersectionPointControl.txtVYend.Text);
PointXY pointStartV = new PointXY(vXstart, vYstart);
PointXY pointEndV = new PointXY(vXend, vYend);
LineV = new LineSegment(pointStartV, pointEndV);
Line pathV = new Line();
pathV.X1 = viewPortArea.XNormalize(vXstart, IntersectionPointControl.viewPortCanvas.Width);
pathV.Y1 = viewPortArea.YNormalize(vYstart, IntersectionPointControl.viewPortCanvas.Height);
pathV.X2 = viewPortArea.XNormalize(vXend, IntersectionPointControl.viewPortCanvas.Width);
pathV.Y2 = viewPortArea.YNormalize(vYend, IntersectionPointControl.viewPortCanvas.Height);
pathV.Stroke = Brushes.Red;
pathV.StrokeThickness = 2;
IntersectionPointControl.viewPortCanvas.Children.Add(pathV);
// Intersection Point
IntersectionPoint = new IntersectionPoint(lineT, lineV);
if (IntersectionPoint.Intersection)
{
IntersectionPointControl.lblIntersection.Text = "Intersection? true!";
}
else
{
IntersectionPointControl.lblIntersection.Text = "Intersection? false!";
}
IntersectionPointControl.lblPointX.Text = "X: " + Math.Round(IntersectionPoint.PointOfIntersection.X, 2).ToString();
IntersectionPointControl.lblPointY.Text = "Y: " + Math.Round(IntersectionPoint.PointOfIntersection.Y, 2).ToString();
IntersectionPointControl.lblTb.Text = "Tb: " + Math.Round(IntersectionPoint.LineT.B, 2).ToString();
IntersectionPointControl.lblTm.Text = "Tm: " + Math.Round(IntersectionPoint.LineT.M, 2).ToString();
IntersectionPointControl.lblVb.Text = "Vb: " + Math.Round(IntersectionPoint.LineV.B, 2).ToString();
IntersectionPointControl.lblVm.Text = "Vm: " + Math.Round(IntersectionPoint.LineV.M, 2).ToString();
Ellipse circleAtPoint = new Ellipse();
circleAtPoint.Fill = new SolidColorBrush(Color.FromRgb(50, 50, 50));
circleAtPoint.Stroke = Brushes.Red;
circleAtPoint.StrokeThickness = 2;
circleAtPoint.Width = 10;
circleAtPoint.Height = 10;
Canvas.SetLeft(circleAtPoint, (viewPortArea.XNormalize(IntersectionPoint.PointOfIntersection.X, IntersectionPointControl.viewPortCanvas.Width) - 5));
Canvas.SetTop(circleAtPoint, (viewPortArea.YNormalize(IntersectionPoint.PointOfIntersection.Y, IntersectionPointControl.viewPortCanvas.Height) - 5));
IntersectionPointControl.viewPortCanvas.Children.Add(circleAtPoint);
}
private void UpdateGraphics()
{
// Line T
tXstart = Convert.ToDouble(txtTXstart.Text);
tYstart = Convert.ToDouble(txtTYstart.Text);
tXend = Convert.ToDouble(txtTXend.Text);
tYend = Convert.ToDouble(txtTYend.Text);
// Line V
vXstart = Convert.ToDouble(txtVXstart.Text);
vYstart = Convert.ToDouble(txtVYstart.Text);
vXend = Convert.ToDouble(txtVXend.Text);
vYend = Convert.ToDouble(txtVYend.Text);
viewPortCanvas.Children.Remove(pathT);
pathT = new Line();
pathT.X1 = viewPortArea.XNormalize(tXstart, viewPortCanvas.Width);
pathT.Y1 = viewPortArea.YNormalize(tYstart, viewPortCanvas.Height);
pathT.X2 = viewPortArea.XNormalize(tXend, viewPortCanvas.Width);
pathT.Y2 = viewPortArea.YNormalize(tYend, viewPortCanvas.Height);
pathT.Stroke = Brushes.Blue;
pathT.StrokeThickness = 2;
viewPortCanvas.Children.Add(pathT);
viewPortCanvas.Children.Remove(pathV);
pathV = new Line();
pathV.X1 = viewPortArea.XNormalize(vXstart, viewPortCanvas.Width);
pathV.Y1 = viewPortArea.YNormalize(vYstart, viewPortCanvas.Height);
pathV.X2 = viewPortArea.XNormalize(vXend, viewPortCanvas.Width);
pathV.Y2 = viewPortArea.YNormalize(vYend, viewPortCanvas.Height);
pathV.Stroke = Brushes.Red;
pathV.StrokeThickness = 2;
viewPortCanvas.Children.Add(pathV);
// Line T
PointXY pointStartT = new PointXY(tXstart, tYstart);
PointXY pointEndT = new PointXY(tXend, tYend);
LineSegment lineT = new LineSegment(pointStartT, pointEndT);
// Line V
PointXY pointStartV = new PointXY(vXstart, vYstart);
PointXY pointEndV = new PointXY(vXend, vYend);
LineSegment lineV = new LineSegment(pointStartV, pointEndV);
// Intersection Point
intersectionPoint = new IntersectionPoint(lineT, lineV);
if (intersectionPoint.Intersection)
{
lblIntersection.Text = "Intersection? true!";
}
else
{
lblIntersection.Text = "Intersection? false!";
}
txtPointX.Text = intersectionPoint.PointOfIntersection.X.ToString();
txtPointY.Text = intersectionPoint.PointOfIntersection.Y.ToString();
txtTb.Text = intersectionPoint.LineT.B.ToString();
txtTm.Text = intersectionPoint.LineT.M.ToString();
txtVb.Text = intersectionPoint.LineV.B.ToString();
txtVm.Text = intersectionPoint.LineV.M.ToString();
viewPortCanvas.Children.Remove(circleAtPoint);
circleAtPoint = new Ellipse();
circleAtPoint.Fill = new SolidColorBrush(Color.FromRgb(50, 50, 50));
circleAtPoint.Stroke = Brushes.Red;
circleAtPoint.StrokeThickness = 2;
circleAtPoint.Width = 10;
circleAtPoint.Height = 10;
Canvas.SetLeft(circleAtPoint, (viewPortArea.XNormalize(intersectionPoint.PointOfIntersection.X, viewPortCanvas.Width) - 5));
Canvas.SetTop(circleAtPoint, (viewPortArea.YNormalize(intersectionPoint.PointOfIntersection.Y, viewPortCanvas.Height) - 5));
viewPortCanvas.Children.Add(circleAtPoint);
}