string BL2xy()
{
string res = string.Format("\r\n高斯正算（BL-->xy）\r\n");
res += "--------------------------------------\r\n";
res += string.Format("{0,-5} {1,12} {2,12}",
"点名", "B", "L");
res += string.Format(" {0,10:f4} {1,10:f4} \r\n", "x", "y");
Gauss pos = new Gauss(Obs.Datum, Obs.L0);
double x, y;
for (int i = 0; i < Obs.Data.Count; i++)
{
double B = Obs.Data[i].B;
double L = Obs.Data[i].L;
pos.BL2xy(B, L, out x, out y);
Obs.Data[i].x = x;
Obs.Data[i].y = y;
res += string.Format("{0,-5} {1,12} {2,12}",
Obs.Data[i].Name, GeoPro.Rad2Str(B), GeoPro.Rad2Str(L));
res += string.Format(" {0,10:f4} {1,10:f4}\r\n", x, y);
}
return(res);
}
string xy2BL()
{
string res = string.Format("\r\n高斯反算（xy-->BL）\r\n");
res += "--------------------------------------\r\n";
res += string.Format("{0,-5} {1,10:f4} {2,10:f4}",
"点名", "x", "y");
res += string.Format(" {0,12} {1,12}\r\n", "B", "L");
Gauss pos = new Gauss(Obs.Datum, Obs.L0);
double B, L;
for (int i = 0; i < Obs.Data.Count; i++)
{
Obs.Data[i].B = 0; Obs.Data[i].L = 0;
double x = Obs.Data[i].x + 500.0; //+500
double y = Obs.Data[i].y + 500.0; //+500
pos.xy2BL(x, y, out B, out L);
res += string.Format("{0,-5} {1,10:f4} {2,10:f4}", Obs.Data[i].Name, x, y);
res += string.Format(" {0,15} {1,15}\r\n ", GeoPro.Rad2Str(B), GeoPro.Rad2Str(L));
}
return(res);
}