Gabriele Cosmo
117 lines
4.2 KiB
C++
117 lines
4.2 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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/// \file field/field01/include/F01FieldSetup.hh
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/// \brief Definition of the F01FieldSetup class
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//
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//
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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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// Should this be a:
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// i) a messenger class
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// ii) user class that creates the field ( Current choice )
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// iii) a field manager that creates/updates field
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#ifndef F01FieldSetup_h
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#define F01FieldSetup_h 1
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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 G4VIntegrationDriver;
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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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G4int stepperNum = -1000, // -ive = fsal, +ive = old.
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// default (-1000) uses next flag
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G4bool useFSALstepper= false );
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F01FieldSetup(); // A zero field
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F01FieldSetup( F01FieldSetup & ) = delete;
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virtual ~F01FieldSetup();
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void SetStepperType( G4int i )
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{ fStepperType = i; CreateStepperAndChordFinder(); }
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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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// Original method -
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void CreateStepperAndChordFinder();
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// New method - create FSAL stepper and driver
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void CreateFSALStepperAndChordFinder();
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void SetFieldValue(G4ThreeVector fieldVector);
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void SetFieldZValue(G4double fieldValue);
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G4ThreeVector GetConstantFieldValue();
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void SetUseFSALstepper(G4bool val= true) { fUseFSALstepper = val; }
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G4bool GetUseFSALstepper() { return fUseFSALstepper; }
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protected:
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// Implementation methods
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G4VIntegrationDriver* CreateFSALStepperAndDriver();
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// Find the global Field Manager
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G4FieldManager* GetGlobalFieldManager();
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protected:
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G4FieldManager* fFieldManager = nullptr;
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G4ChordFinder* fChordFinder = nullptr;
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G4Mag_UsualEqRhs* fEquation = nullptr;
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G4MagneticField* fMagneticField = nullptr;
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G4MagIntegratorStepper* fStepper = nullptr;
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G4bool fUseFSALstepper = false;
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G4VIntegrationDriver* fDriver = nullptr; // If non-null, its new type (FSAL)
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G4int fStepperType = -1;
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G4double fMinStep = -1.0;
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F01FieldMessenger* fFieldMessenger = nullptr;
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};
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#endif
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