B5/src/MagneticField.cc

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0025 //
0026 /// \file MagneticField.cc
0027 /// \brief Implementation of the B5::MagneticField class
0028
0029 #include "MagneticField.hh"
0030
0031 #include "G4GenericMessenger.hh"
0032
0033 namespace B5
0034 {
0035
0036 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0037
0038 MagneticField::MagneticField()
0039 {
0040   // define commands for this class
0041   DefineCommands();
0042 }
0043
0044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0045
0046 MagneticField::~MagneticField()
0047 {
0048   delete fMessenger;
0049 }
0050
0051 void MagneticField::GetFieldValue(const G4double[4], double* bField) const
0052 {
0053   bField[0] = 0.;
0054   bField[1] = fBy;
0055   bField[2] = 0.;
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 void MagneticField::DefineCommands()
0061 {
0062   // Define /B5/field command directory using generic messenger class
0063   fMessenger = new G4GenericMessenger(this, "/B5/field/", "Field control");
0064
0065   // fieldValue command
0066   auto& valueCmd = fMessenger->DeclareMethodWithUnit("value", "tesla", &MagneticField::SetField,
0067                                                      "Set field strength.");
0068   valueCmd.SetParameterName("field", true);
0069   valueCmd.SetDefaultValue("1.");
0070 }
0071
0072 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0073
0074 }  // namespace B5