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25 // 25 //
26 /// \file eventgenerator/HepMC/HepMCEx01/src/E 26 /// \file eventgenerator/HepMC/HepMCEx01/src/ExN04Field.cc
27 /// \brief Implementation of the ExN04Field cl 27 /// \brief Implementation of the ExN04Field class
28 // 28 //
29 // 29 //
30 30
31 #include "ExN04Field.hh" <<
32 <<
33 #include "G4SystemOfUnits.hh" 31 #include "G4SystemOfUnits.hh"
>> 32 #include "ExN04Field.hh"
34 33
35 //....oooOO0OOooo........oooOO0OOooo........oo 34 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
36 ExN04Field::ExN04Field() : G4MagneticField() << 35 ExN04Field::ExN04Field()
>> 36 : G4MagneticField()
37 { 37 {
38 fBz = 3.0 * tesla; << 38 fBz = 3.0*tesla;
39 frmax_sq = sqr(50. * cm); << 39 frmax_sq = sqr(50.*cm);
40 fzmax = 100. * cm; << 40 fzmax = 100.*cm;
41 } 41 }
42 42
43 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44 ExN04Field::~ExN04Field() {} << 44 ExN04Field::~ExN04Field()
>> 45 {
>> 46 }
45 47
46 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 void ExN04Field::GetFieldValue(const double Po << 49 void ExN04Field::GetFieldValue(const double Point[3],double *Bfield) const
48 { 50 {
49 Bfield[0] = 0.; 51 Bfield[0] = 0.;
50 Bfield[1] = 0.; 52 Bfield[1] = 0.;
51 if (std::abs(Point[2]) < fzmax && (sqr(Point << 53 if ( std::abs(Point[2]) < fzmax &&
>> 54 (sqr(Point[0])+sqr(Point[1])) < frmax_sq ) {
52 Bfield[2] = fBz; 55 Bfield[2] = fBz;
53 } << 56 } else {
54 else { <<
55 Bfield[2] = 0.; 57 Bfield[2] = 0.;
56 } 58 }
57 } 59 }
58 60