//全天日照时间
private void button3_Click(object sender, EventArgs e)
{
double Lon = Convert.ToDouble(lon.Text);
double Lat = Convert.ToDouble(lat.Text);
int Y = Convert.ToInt32(TimeY.Text);
int M = Convert.ToInt32(TimeM.Text);
int D = Convert.ToInt32(TimeD.Text);
Vertex3 Obp = new Vertex3(posX, posZ, posY);
//获取日出、日落时间
double[] SUN = CountSun.SunRaiseSetTime(Y, M, D, Lon, Lat);
if (listBox1.Items.Count > 0)
{
listBox1.Items.Clear();
}
listBox1.Items.Add("日出时间：" + (int)SUN[0] + ":" + (int)((SUN[0] - (int)SUN[0]) * 60));
listBox1.Items.Add("日落时间：" + (int)SUN[1] + ":" + (int)((SUN[1] - (int)SUN[1]) * 60));
//计算日照时间
List <string> ShadowTime = CalculateTools.SinglePointTime(Obp, gl.model.model, Y, M, D, Lon, Lat);
for (int i = 0; i < ShadowTime.Count - 1; i++)
{
listBox1.Items.Add("被遮挡时间：" + ShadowTime[i]);
}
listBox1.Items.Add("全天总日照时间：" + Convert.ToString(Math.Round((SUN[1] - SUN[0] - ShadowTime.Count * 10.0 / 60.0), 2)) + "小时");
//listBox1.Items.Add("全天总日照时间：" + ShadowTime[ShadowTime.Count - 1] + "小时");
}
//计算单点日照时间
public static List <string> SinglePointTime(Vertex3 ObP, t3DModel model, int Y, int M, int D, double Lon, double Lat)
{
double Tr = CountSun.SunRaiseSetTime(Y, M, D, Lon, Lat)[0]; //日出时间
double Ts = CountSun.SunRaiseSetTime(Y, M, D, Lon, Lat)[1]; //日落时间
double t = 0; //遮挡时间
List <string> ShadowTime = new List <string>();
List <Vector3> dn = new List <Vector3>();
Vector3 Dn = null;
//每隔10分钟判读一次观测被遮挡情况
for (double T = Tr; T <= Ts; T += 10.0 / 60.0)
{
int H = (int)T;
int Min = (int)((T - H) * 60);
H = H + Min / 60;
Min = Min % 60;
double[] sun = CountSun.CalculateSun(Y, M, D, H, Min, Lon, Lat);//计算太阳因子
Dn = CalculateDirectionVector(sun[2], sun[3]);
dn.Add(Dn);
//Vector3 Dn = CalculateDirectionVector(ObP.z,sun[0], sun[1]);//计算太阳单位方向向量
//Dn.x += ObP.x;
//Dn.y -= ObP.y;
//Dn.z += ObP.z;
bool shelter = SinglePointShelter(ObP, model, Dn);//判断是否被遮挡
if (shelter)
{
t += 10;
if (Min < 10)
{
ShadowTime.Add(H + ":0" + Min + "--" + H + ":" + (Min + 10));
}
else
{
ShadowTime.Add(H + ":" + Min + "--" + H + ":" + (Min + 10));
}
}
}
t = t / 60; //被遮挡时间
ShadowTime.Add(Convert.ToString(Math.Round((Ts - Tr - t), 2))); //日照时间
return(ShadowTime);
}