Geant4  10.03.p03
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B5MagneticField.cc
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26 // $Id: B5MagneticField.cc 101036 2016-11-04 09:00:23Z gcosmo $
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30 
31 #include "B5MagneticField.hh"
32 
33 #include "G4GenericMessenger.hh"
34 #include "G4SystemOfUnits.hh"
35 #include "globals.hh"
36 
37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
38 
40 : G4MagneticField(),
41  fMessenger(nullptr), fBy(1.0*tesla)
42 {
43  // define commands for this class
44  DefineCommands();
45 }
46 
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48 
50 {
51  delete fMessenger;
52 }
53 
54 void B5MagneticField::GetFieldValue(const G4double [4],double *bField) const
55 {
56  bField[0] = 0.;
57  bField[1] = fBy;
58  bField[2] = 0.;
59 }
60 
61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
62 
63 void B5MagneticField::DefineCommands()
64 {
65  // Define /B5/field command directory using generic messenger class
66  fMessenger = new G4GenericMessenger(this,
67  "/B5/field/",
68  "Field control");
69 
70  // fieldValue command
71  auto& valueCmd
72  = fMessenger->DeclareMethodWithUnit("value","tesla",
74  "Set field strength.");
75  valueCmd.SetParameterName("field", true);
76  valueCmd.SetDefaultValue("1.");
77 }
78 
79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
static constexpr double tesla
Definition: G4SIunits.hh:268
void SetField(G4double val)
This class is generic messenger.
Command & DeclareMethodWithUnit(const G4String &name, const G4String &defaultUnit, const G4AnyMethod &fun, const G4String &doc="")
Command & SetDefaultValue(const G4String &)
virtual void GetFieldValue(const G4double point[4], double *bField) const
virtual ~B5MagneticField()
Definition of the B5MagneticField class.
Command & SetParameterName(const G4String &, G4bool, G4bool=false)
double G4double
Definition: G4Types.hh:76