//绘制三角网
public void Draw_TIN()
{
TIN_Bmp = new Bitmap(Width1, Height1);
MainInterface.f1.pb.Size = new Size(Width1, Height1);
//调用绘图类
Class_Draw draw = new Class_Draw();
draw.gp = Graphics.FromImage(TIN_Bmp);
draw.gp.Clear(Color.Black);
//将网点坐标储存在列表中
List <double> x = new List <double>();
List <double> y = new List <double>();
for (int i = 0; i < T1.Count; i++)
{
x.Add(T1[i].Tp[0].x);
x.Add(T1[i].Tp[1].x);
x.Add(T1[i].Tp[2].x);
y.Add(T1[i].Tp[0].y);
y.Add(T1[i].Tp[1].y);
y.Add(T1[i].Tp[2].y);
}
draw.CalRatio(x, y, Width1, Height1);
draw.Change(x, y, Width1 / 2, Height1 / 2);
//画线
Pen p1 = new Pen(Color.Red);
for (int i = 0; i < T1.Count; i++)
{
draw.W_line(draw.px[i * 3], draw.py[i * 3], draw.px[i * 3 + 1], draw.py[i * 3 + 1], p1);
draw.W_line(draw.px[i * 3 + 1], draw.py[i * 3 + 1], draw.px[i * 3 + 2], draw.py[i * 3 + 2], p1);
draw.W_line(draw.px[i * 3], draw.py[i * 3], draw.px[i * 3 + 2], draw.py[i * 3 + 2], p1);
}
//画点
for (int i = 0; i < T1.Count; i++)
{
draw.D_circle(draw.px[i * 3], draw.py[i * 3], 2);
draw.D_circle(draw.px[i * 3 + 1], draw.py[i * 3 + 1], 2);
draw.D_circle(draw.px[i * 3 + 2], draw.py[i * 3 + 2], 2);
}
}
