| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 /// \file eventgenerator/HepMC/HepMCEx01/src/E <<
27 /// \brief Implementation of the ExN04Field cl <<
28 // <<
29 // <<
30 26
31 #include "ExN04Field.hh" 27 #include "ExN04Field.hh"
32 28
33 #include "G4SystemOfUnits.hh" << 29 ExN04Field::ExN04Field()
34 <<
35 //....oooOO0OOooo........oooOO0OOooo........oo <<
36 ExN04Field::ExN04Field() : G4MagneticField() <<
37 { 30 {
38 fBz = 3.0 * tesla; << 31 Bz = 3.0*tesla;
39 frmax_sq = sqr(50. * cm); << 32 rmax_sq = sqr(50.*cm);
40 fzmax = 100. * cm; << 33 zmax = 100.*cm;
41 } 34 }
42 35
43 //....oooOO0OOooo........oooOO0OOooo........oo << 36 ExN04Field::~ExN04Field()
44 ExN04Field::~ExN04Field() {} << 37 {;}
45 38
46 //....oooOO0OOooo........oooOO0OOooo........oo << 39 void ExN04Field::GetFieldValue(const double Point[3],double *Bfield) const
47 void ExN04Field::GetFieldValue(const double Po <<
48 { 40 {
49 Bfield[0] = 0.; 41 Bfield[0] = 0.;
50 Bfield[1] = 0.; 42 Bfield[1] = 0.;
51 if (std::abs(Point[2]) < fzmax && (sqr(Point << 43 if(std::abs(Point[2])<zmax && (sqr(Point[0])+sqr(Point[1]))<rmax_sq)
52 Bfield[2] = fBz; << 44 { Bfield[2] = Bz; }
53 } << 45 else
54 else { << 46 { Bfield[2] = 0.; }
55 Bfield[2] = 0.; <<
56 } <<
57 } 47 }
>> 48
58 49