private void DrawPoints()
{
System.Drawing.Graphics objGraph = this.CitiesPanel.CreateGraphics();
for (int i = 0; i < Points.Count; i++)
{
PointF newPoint = new PointF(((Point)Points[i]).x, ((Point)Points[i]).y);
//���սǶ�����voronoiͼ+�������ֲ�ͼ
HashSet<PointF> hs_voronoiPoint = new HashSet<PointF>();
hs_voronoiPoint.Add(AngleToPoint(newPoint, 360 - 30, 1));
hs_voronoiPoint.Add(AngleToPoint(newPoint, 360 - 30 - 120, 1));
hs_voronoiPoint.Add(AngleToPoint(newPoint, 360 - 30 - 240, 1));
foreach (PointF voronoiPoint in hs_voronoiPoint)
{
points.Add(new Vector(voronoiPoint.X, voronoiPoint.Y));
temps.Add(new TemperatureLocation(voronoiPoint.X, voronoiPoint.Y, i));
}
}
//������С���ָ�ͼ
VoronoiTemparature vt = new VoronoiTemparature(temps);
vt.ColdColor = Color.Orange;
vt.HotColor = Color.Red;
Bitmap bmp = vt.GetMapTemperature(this.Width, this.Height);
objGraph.DrawImage(bmp, new PointF(0, 0));
//����С���ָ�ͼ
bmp = Fortune.GetVoronoyMap(this.Width, this.Height, points);
objGraph.DrawImage(bmp, new PointF(0, 0));
for (int i = 0; i < Points.Count; i++)
{
PointF newPoint = new PointF(((Point)Points[i]).x, ((Point)Points[i]).y);
objGraph.DrawEllipse(new System.Drawing.Pen(System.Drawing.Color.Black), newPoint.X, newPoint.Y, 6, 6);
//���սǶ����� ֱ��+��ͷ
HashSet<PointF> hs_endPoint = new HashSet<PointF>();
Pen p = new Pen(Color.Blue, 3);
p.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
hs_endPoint.Add(AngleToPoint(newPoint, 360 - 30, 20));
hs_endPoint.Add(AngleToPoint(newPoint, 360 - 30 - 120, 20));
hs_endPoint.Add(AngleToPoint(newPoint, 360 - 30 - 240, 20));
//С�����Ƿ����
foreach (PointF endPoint in hs_endPoint)
objGraph.DrawLine(p, newPoint, endPoint);
//д�ϱ�ʶ
objGraph.DrawString((i + 1).ToString(),
new System.Drawing.Font("Arial", 10), System.Drawing.Brushes.Brown, newPoint.X + 8, newPoint.Y);
}
}