public void dopCalculation(int year, int month, int day, double xs, double ys, double zs)
{
FileRepository repo = new FileRepository();
dop dop = new dop();
Matrix mat = new Matrix();
for (int i = 0; i < 24; i++)
{
for (int j = 0; j < 60; j++)
{
for (int k = 0; k < 2; k++)
{
var hour = i;
var minute = j;
var second = k * 30;
var SVlist = repo.getCommonSV(year, month, day, hour, minute, second);
if (SVlist.Count >= 4)
{
for (int i1 = 0; i1 < SVlist.Count - 3; i1++)
{
var s1 = SVlist[i1];
var A1 = unitVector(SVlist[i1].x, SVlist[i1].y, SVlist[i1].z, xs, ys, zs);
for (int i2 = i1 + 1; i2 < SVlist.Count - 2; i2++)
{
var s2 = SVlist[i2];
var A2 = unitVector(SVlist[i2].x, SVlist[i2].y, SVlist[i2].z, xs, ys, zs);
for (int i3 = i2 + 1; i3 < SVlist.Count - 1; i3++)
{
var s3 = SVlist[i3];
var A3 = unitVector(SVlist[i3].x, SVlist[i3].y, SVlist[i3].z, xs, ys, zs);
for (int i4 = i3 + 1; i4 < SVlist.Count; i4++)
{
var s4 = SVlist[i4];
var A4 = unitVector(SVlist[i4].x, SVlist[i4].y, SVlist[i4].z, xs, ys, zs);
string matDefine = "";
matDefine = matDefine + A1[0].ToString() + "," + A1[1].ToString() + "," + A1[2].ToString() + ",-1;";
matDefine = matDefine + A2[0].ToString() + "," + A2[1].ToString() + "," + A2[2].ToString() + ",-1;";
matDefine = matDefine + A3[0].ToString() + "," + A3[1].ToString() + "," + A3[2].ToString() + ",-1;";
matDefine = matDefine + A4[0].ToString() + "," + A4[1].ToString() + "," + A4[2].ToString() + ",-1";
//double[,] A = new double[4, 4] { {A1[0], A1[1], A1[2], -1 },{ A2[0], A2[1], A2[2], -1 },{ A3[0], A3[1], A3[2], -1 },{ A4[0], A4[1], A4[2], -1 } };
var A = new Matrix(matDefine);
var AT = A.Transpose();
var ATA = mat.product(AT, A);
var Q = mat.product(A.Transpose(), A).Inverse();
var VDOP = Math.Sqrt(Math.Pow(Q[2, 2].Re, 2));
var HDOP = Math.Sqrt(Math.Pow(Q[1, 1].Re, 2) + Math.Pow(Q[2, 2].Re, 2));
var PDOP = Math.Sqrt(Math.Pow(Q[1, 1].Re, 2) + Math.Pow(Q[2, 2].Re, 2) + Math.Pow(Q[3, 3].Re, 2));
var TDOP = Math.Sqrt(Math.Pow(Q[4, 4].Re, 2));
var GDOP = Math.Sqrt(Math.Pow(PDOP, 2) + Math.Pow(TDOP, 2));
dop.year = year;
dop.month = month;
dop.day = day;
dop.hour = hour;
dop.minute = minute;
dop.second = second;
if (i4 == 3)
{
dop.prn1 = s1.num;
dop.prn2 = s2.num;
dop.prn3 = s3.num;
dop.prn4 = s4.num;
dop.VDOP = VDOP;
dop.HDOP = HDOP;
dop.PDOP = PDOP;
dop.TDOP = TDOP;
dop.GDOP = GDOP;
}
else
{
if (dop.GDOP >= GDOP)
{
dop.prn1 = s1.num;
dop.prn2 = s2.num;
dop.prn3 = s3.num;
dop.prn4 = s4.num;
dop.VDOP = VDOP;
dop.HDOP = HDOP;
dop.PDOP = PDOP;
dop.TDOP = TDOP;
dop.GDOP = GDOP;
}
}
}
}
}
}
repo.AddDOP(dop);
}
}
}
}
}