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