81 lines
3.0 KiB
C++
81 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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// G4LineCurrentMagField
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//
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// Class description:
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//
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// Class describing line current magnetic field.
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// 'fFieldConstant' determines the coefficient in the field law.
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// The line current is directed along Z axis and crosses the XY
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// plane in the origin point (0,0).
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// Author: Vladimir Grichine (CERN), 03.02.1997
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// --------------------------------------------------------------------
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#ifndef G4LINECURRENTMAGFIELD_HH
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#define G4LINECURRENTMAGFIELD_HH
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#include "G4MagneticField.hh"
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/**
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* @brief G4LineCurrentMagField is a class describing a line current magnetic
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* field. The line current is directed along the Z axis and crosses the XY
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* plane in the origin point.
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*/
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class G4LineCurrentMagField : public G4MagneticField
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{
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public:
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/**
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* Constructor for G4LineCurrentMagField.
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* @param[in] pFieldConstant Value of the constant field.
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*/
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G4LineCurrentMagField(G4double pFieldConstant);
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/**
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* Default Destructor.
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*/
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~G4LineCurrentMagField() 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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G4Field* Clone() const override;
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private:
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G4double fFieldConstant = 0.0;
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};
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#endif
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