private void pictureBox1_MouseClick(object sender, MouseEventArgs e)
{
points.Add(e.Location);
Graphics g = Graphics.FromImage(bmp);
Brush b1 = new SolidBrush(Color.Red);
Brush b2 = new SolidBrush(Color.Blue);
Point clicked = new Point(e.X, e.Y);
Point example = new Point();
if (done)
{
//Evaluar punto de prueba una vez que el perceptron ya esta entrenado
evaluarPunto(clicked);
return;
}
if (e.Button == MouseButtons.Right)
{
g.FillEllipse(b1, e.X - 6, e.Y - 6, 10, 10);
Y.Add(1);
}
else
{
g.FillEllipse(b2, e.X - 6, e.Y - 6, 10, 10);
Y.Add(0);
}
//Instanciar el punto del plano con los valores dados
PlanePoint planePoint = new PlanePoint(PointController.pixelsToPlane(clicked, bmp));
pictureBox1.Image = bmp;
pictureBox1.Refresh();
planePoints.Add(planePoint);
}
private void dibujarLinea(double x1, double y1, double x2, double y2)
{
try
{
// Create pen.
bmp2 = new Bitmap(bmp);
Graphics g = Graphics.FromImage(bmp2);
Point point1 = PointController.planeToPixels(x1, y1, bmp2);
Point point2 = PointController.planeToPixels(x2, y2, bmp2);
// Draw line to screen.
if (bicolor == 0)
{
g.DrawLine(blackPen, point1, point2); bicolor = 1;
}
else
{
g.DrawLine(blackPen2, point1, point2); bicolor = 0;
}
pictureBox1.Image = bmp2;
pictureBox1.Refresh();
Thread.Sleep(200);
}
catch
{
if (x1 < 0)
{
x1 = 0;
}
if (x2 < 0)
{
x2 = 0;
}
if (y1 < 0)
{
y1 = 0;
}
if (y2 < 0)
{
y2 = 0;
}
dibujarLinea(x1, y1, x2, y2);
}
}
private void evaluarPunto(Point p)
{
Graphics g = Graphics.FromImage(bmp);
Brush b1 = new SolidBrush(Color.Red);
Brush b2 = new SolidBrush(Color.Blue);
double calculo = 0;
PlanePoint planePoint = new PlanePoint(PointController.pixelsToPlane(p, bmp));
calculo = (w[0] * -1 + w[1] * planePoint.X + w[2] * planePoint.Y);
if (calculo > 0)
{
g.FillEllipse(b1, p.X - 6, p.Y - 6, 10, 10);
}
else
{
g.FillEllipse(b2, p.X - 6, p.Y - 6, 10, 10);
}
pictureBox1.Image = bmp;
pictureBox1.Refresh();
}