Geant4  10.01.p03
G4LineCurrentMagField.cc
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26 // $Id: G4LineCurrentMagField.cc 68055 2013-03-13 14:43:28Z gcosmo $
27 // -------------------------------------------------------------------
28 
29 #include "G4LineCurrentMagField.hh"
30 #include "globals.hh"
31 
33 {
34  fFieldConstant = pFieldConstant ;
35 }
37 {
38  return new G4LineCurrentMagField( this->fFieldConstant );
39 }
41 
43 {
44 }
45 
47 
48 
50  G4double B[3] ) const
51 {
52  // G4double fFieldConstant = 100 ;
53  G4double a = 1.00 ; // mm
54  G4double x = a*yTrack[0], y = a*yTrack[1] ;
55  G4double x2 = x*x, y2 = y*y, r2 = x2 + y2 ;
56  G4double r = std::sqrt(r2+a*a) ;
57  G4double Br = fFieldConstant/r;
58  B[0] = -Br*y/r ;
59  B[1] = Br*x/r ;
60  B[2] = 0 ;
61 }
62 
63 // -----------------------------------------------------------------
G4LineCurrentMagField * Clone() const
G4double a
Definition: TRTMaterials.hh:39
G4LineCurrentMagField(G4double pFieldConstant)
void GetFieldValue(const G4double yTrack[], G4double B[]) const
double G4double
Definition: G4Types.hh:76