Gabriele Cosmo
56 lines
2.4 KiB
C++
56 lines
2.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file ExN04Field.cc
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/// \brief Implementation of the ExN04Field class
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#include "ExN04Field.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN04Field::ExN04Field() : G4MagneticField()
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{
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fBz = 3.0 * tesla;
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frmax_sq = sqr(50. * cm);
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fzmax = 100. * cm;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN04Field::~ExN04Field() {}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void ExN04Field::GetFieldValue(const double Point[3], double* Bfield) const
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{
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Bfield[0] = 0.;
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Bfield[1] = 0.;
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if (std::abs(Point[2]) < fzmax && (sqr(Point[0]) + sqr(Point[1])) < frmax_sq) {
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Bfield[2] = fBz;
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}
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else {
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Bfield[2] = 0.;
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}
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}
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