Gabriele Cosmo
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: F01FieldSetup.hh,v 1.2 2003/12/01 15:47:52 japost Exp $
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// GEANT4 tag $Name: geant4-06-00-patch-01 $
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//
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//
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// A class for control of the Magnetic Field of the detector.
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// The field is assumed to be uniform.
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//
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// $ Id: $
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// Should this be a:
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// i) messenger
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// ii) user class that creates the field ?
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// iii) simply a derived class of Uniform field ? <== I have chosen this now.
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// iv) a field manager that creates/updates field (Prefered?)
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//
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#ifndef F01FieldSetup_H
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#define F01FieldSetup_H
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#include "G4MagneticField.hh"
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#include "G4UniformMagField.hh"
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class G4FieldManager;
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class G4ChordFinder;
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class G4Mag_UsualEqRhs;
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class G4MagIntegratorStepper;
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class F01FieldMessenger;
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class F01FieldSetup
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{
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public:
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F01FieldSetup(G4ThreeVector) ; // The value of the field
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F01FieldSetup() ; // A zero field
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~F01FieldSetup() ;
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void SetStepperType( G4int i) { fStepperType = i ; }
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void SetStepper();
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void SetMinStep(G4double s) { fMinStep = s ; }
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void InitialiseAll(); // Set parameters and call method below
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void CreateStepperAndChordFinder();
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void SetFieldValue(G4ThreeVector fieldVector) ;
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void SetFieldValue(G4double fieldValue) ;
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G4ThreeVector GetConstantFieldValue();
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protected:
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// Find the global Field Manager
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G4FieldManager* GetGlobalFieldManager() ; // static
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G4FieldManager* fFieldManager ;
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G4ChordFinder* fChordFinder ;
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G4Mag_UsualEqRhs* fEquation ;
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G4MagneticField* fMagneticField ;
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G4MagIntegratorStepper* fStepper ;
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G4int fStepperType ;
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G4double fMinStep ;
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F01FieldMessenger* fFieldMessenger;
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};
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#endif
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