private void 生成凸包_Click(object sender, EventArgs e) //图形显示
{
if (g_point.Count == 0)
{
status.Text = "没有数据，无法生成凸包"; return;
}
if (convex_hull.Count == 0 && g_point.Count != 0)
{
生成凸包 create_c_h = new 利用构建规则格网_grid_进行体积计算.生成凸包(g_point);
minmax = create_c_h.getminmax(); //得到数据中最大最小X，Y值
//convex_hull = create_c_h.get_convex_hull(); // Graham'sScan算法 得到凸包点
convex_hull = create_c_h.conver_h1(g_point); // 快速凸包法 得到的凸包点
}
grid_spacing = float.Parse(网格间隔.Text); //获得最新的网格间隔信息
DRAW draw = new DRAW(); //定义画图类
Bitmap bmp = draw.get_picture(g_point, convex_hull, grid_spacing, minmax); //得到画布
pictureBox1.BackgroundImage = bmp; //得到图片
pictureBox1.BackgroundImageLayout = ImageLayout.Stretch;
panel1.Controls.Add(pictureBox1); //放入容器
pictureBox1.Width = 650; //初始化图片的大小
pictureBox1.Height = 400;
panel1.BringToFront();
status.Text = "生成凸包，并显示凸包";
}