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26 //
27 /// \file field/field05/src/F05Field.cc
28 /// \brief Implementation of the F05Field clas
29 //
30
31 //....oooOO0OOooo........oooOO0OOooo........oo
32 //....oooOO0OOooo........oooOO0OOooo........oo
33
34 #include "F05Field.hh"
35
36 #include "G4SystemOfUnits.hh"
37
38 //....oooOO0OOooo........oooOO0OOooo........oo
39
40 void F05Field::GetFieldValue(const G4double Po
41 {
42 // Point[0],Point[1],Point[2] are x-, y-, z-
43
44 const G4double Bz = 0.24 * tesla;
45 const G4double Er = 2.113987E+6 * volt / m;
46
47 G4double Ex, Ey;
48
49 G4double posR = std::sqrt(std::pow(Point[0],
50 G4double cos_theta, sin_theta;
51
52 if (posR > 0) {
53 cos_theta = Point[0] / (G4double)posR;
54 sin_theta = Point[1] / (G4double)posR;
55 Ex = -1 * Er * cos_theta; // apply radial
56 Ey = -1 * Er * sin_theta;
57 }
58 else {
59 Ex = 0;
60 Ey = 0;
61 }
62
63 Bfield[0] = 0;
64 Bfield[1] = 0;
65 Bfield[2] = Bz;
66
67 Bfield[3] = Ex;
68 Bfield[4] = Ey;
69 Bfield[5] = 0;
70
71 return;
72 }
73