Gabriele Cosmo
75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// G4DELPHIMagField
|
|
//
|
|
// Class description:
|
|
//
|
|
// Class describing the DELPHI magnetic field. The axial symmetry
|
|
// field is mainly directed along Z axis. The function MagneticField(yTrack,B)
|
|
// calculates the magnetic induction vector B in point corresponding to
|
|
// yTrack according to parametrization given in:
|
|
// P.Billoir, Precise tracking in a quasi-homogeneous magnetic field,
|
|
// DELPHI 87-6 PROG 65, 1987.
|
|
|
|
// Author: Vladimir Grichine (CERN), 03.02.1997
|
|
// -------------------------------------------------------------------
|
|
#ifndef G4DELPHIMAGFIELD_HH
|
|
#define G4DELPHIMAGFIELD_HH
|
|
|
|
#include "G4MagneticField.hh"
|
|
|
|
/**
|
|
* @brief describes the DELPHI magnetic field. The axial symmetry field is
|
|
* mainly directed along Z axis. The function MagneticField(yTrack,B)
|
|
* calculates the magnetic induction vector B in given point corresponding
|
|
* according to parameterisation given in: P.Billoir, DELPHI 87-6 PROG 65, 1987.
|
|
*/
|
|
|
|
class G4DELPHIMagField : public G4MagneticField
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Default Constructor and Destructor.
|
|
*/
|
|
G4DELPHIMagField() = default;
|
|
~G4DELPHIMagField() override = default;
|
|
|
|
/**
|
|
* Returns the field value on the given position 'yTrack'.
|
|
* @param[in] yTrack Time position array.
|
|
* @param[out] B The returned field array.
|
|
*/
|
|
void GetFieldValue(const G4double yTrack[], G4double B[]) const override;
|
|
|
|
/**
|
|
* Returns a pointer to a new allocated clone of this object.
|
|
*/
|
|
G4Field* Clone() const override;
|
|
};
|
|
|
|
#endif
|