Gabriele Cosmo
73 lines
3.0 KiB
C++
73 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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// G4HarmonicPolMagField
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//
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// Class description:
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//
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// Class describing magnetic field parametrised by harmonic polynom up to
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// 3rd order. The function MagneticField(yTrack,B) calculates the magnetic
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// field induction vector B for the trajectory point yTrack according to
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// formula given in:
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// M.Metcalf, Analysis of the SFM Field
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// OM Development Note AP-10 (revised), 1974
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// Author: Vladimir Grichine (CERN), 03.02.1997
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// --------------------------------------------------------------------
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#ifndef G4HARMONICPOLMAGFIELD_HH
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#define G4HARMONICPOLMAGFIELD_HH
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#include "G4MagneticField.hh"
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/**
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* @brief G4HarmonicPolMagField describes a magnetic field parametrised
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* by harmonic polynom up to 3rd order.
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*/
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class G4HarmonicPolMagField : public G4MagneticField
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{
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public:
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/**
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* Default Constructor and Destructor.
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*/
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G4HarmonicPolMagField() = default;
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~G4HarmonicPolMagField() override = default;
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/**
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* Returns the field value on the given position 'yTrack'.
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* @param[in] yTrack Time position array.
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* @param[out] B The returned field array.
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*/
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void GetFieldValue(const G4double yTrack[], G4double B[]) const override;
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/**
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* Returns a pointer to a new allocated clone of this object.
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*/
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G4HarmonicPolMagField* Clone() const override;
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};
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#endif
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