RE01/src/RE01Field.cc

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0025 //
0026 /// \file RE01Field.cc
0027 /// \brief Implementation of the RE01Field class
0028
0029 #include "RE01Field.hh"
0030
0031 #include "G4SystemOfUnits.hh"
0032
0033 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0034 RE01Field::RE01Field() : G4MagneticField()
0035 {
0036   fBz = 3.0 * tesla;
0037   fRmax_sq = sqr(50. * cm);
0038   fZmax = 100. * cm;
0039 }
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042 RE01Field::~RE01Field()
0043 {
0044   ;
0045 }
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048 void RE01Field::GetFieldValue(const double point[3], double* bfield) const
0049 {
0050   bfield[0] = 0.;
0051   bfield[1] = 0.;
0052   if (std::abs(point[2]) < fZmax && (sqr(point[0]) + sqr(point[1])) < fRmax_sq) {
0053     bfield[2] = fBz;
0054   }
0055   else {
0056     bfield[2] = 0.;
0057   }
0058 }