79 lines
3.0 KiB
C++
79 lines
3.0 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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//
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/// \file B5MagneticField.cc
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/// \brief Implementation of the B5MagneticField class
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#include "B5MagneticField.hh"
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#include "G4GenericMessenger.hh"
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#include "G4SystemOfUnits.hh"
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#include "globals.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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B5MagneticField::B5MagneticField()
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: G4MagneticField(),
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fMessenger(nullptr), fBy(1.0*tesla)
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{
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// define commands for this class
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DefineCommands();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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B5MagneticField::~B5MagneticField()
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{
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delete fMessenger;
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}
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void B5MagneticField::GetFieldValue(const G4double [4],double *bField) const
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{
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bField[0] = 0.;
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bField[1] = fBy;
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bField[2] = 0.;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void B5MagneticField::DefineCommands()
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{
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// Define /B5/field command directory using generic messenger class
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fMessenger = new G4GenericMessenger(this,
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"/B5/field/",
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"Field control");
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// fieldValue command
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auto& valueCmd
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= fMessenger->DeclareMethodWithUnit("value","tesla",
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&B5MagneticField::SetField,
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"Set field strength.");
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valueCmd.SetParameterName("field", true);
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valueCmd.SetDefaultValue("1.");
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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