private void panel1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
g.Clear(Color.White);
Random rand = new Random();
Pen border = new Pen(new SolidBrush(Color.Black), 1);
Pen cborder = new Pen(new SolidBrush(Color.Black), 2);
foreach (Coordinate c in coordinates)
{
Point p = C2P(c);
if (processor != null)
{
Int32 assignment = processor.GetClusterIndex(c);
if (assignment > 0)
{
g.FillEllipse(new SolidBrush(colors[assignment % colors.Length]), p.X - radius, p.Y - radius, radius * 2, radius * 2);
}
}
g.DrawEllipse(border, p.X - radius, p.Y - radius, radius * 2, radius * 2);
}
if (processor != null)
{
foreach (Coordinate c in processor.Centroids)
{
Point p = C2P(c);
int r = 8;
g.FillRectangle(new SolidBrush(Color.OrangeRed), p.X - r, p.Y - r, 2 * r, 2 * r);
g.DrawRectangle(cborder, p.X - r, p.Y - r, r * 2, r * 2);
}
}
}
