B5/src/MagneticField.cc

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0026 //
0027 /// \file B5/src/MagneticField.cc
0028 /// \brief Implementation of the B5::MagneticField class
0029
0030 #include "MagneticField.hh"
0031
0032 #include "G4GenericMessenger.hh"
0033
0034 namespace B5
0035 {
0036
0037 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0038
0039 MagneticField::MagneticField()
0040 {
0041   // define commands for this class
0042   DefineCommands();
0043 }
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 MagneticField::~MagneticField()
0048 {
0049   delete fMessenger;
0050 }
0051
0052 void MagneticField::GetFieldValue(const G4double[4], double* bField) const
0053 {
0054   bField[0] = 0.;
0055   bField[1] = fBy;
0056   bField[2] = 0.;
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 void MagneticField::DefineCommands()
0062 {
0063   // Define /B5/field command directory using generic messenger class
0064   fMessenger = new G4GenericMessenger(this, "/B5/field/", "Field control");
0065
0066   // fieldValue command
0067   auto& valueCmd = fMessenger->DeclareMethodWithUnit("value", "tesla", &MagneticField::SetField,
0068                                                      "Set field strength.");
0069   valueCmd.SetParameterName("field", true);
0070   valueCmd.SetDefaultValue("1.");
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0074
0075 }  // namespace B5