Gabriele Cosmo
111 lines
4.7 KiB
C++
111 lines
4.7 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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// Class Description:
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//
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// A utility static class, responsable for keeping common parameters
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// for all transportation processes. These parameters can be relevant only
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// to some types of particles, e.g. only charged particles.
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//
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// It must initialized only by the master thread.
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// It can be updated before the transportation processes have been instantiated or
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// after their instantiation.
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// Note: It can be updated only if the state of the simulation is PreInit, Init or Idle.
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// Parameters may be used in run time or at initialisation
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//
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// Author: J. Apostolakis Nov 2022
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// -------------------------------------------------------------------
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//
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#ifndef G4TransportationParameters_hh
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#define G4TransportationParameters_hh
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#include "globals.hh"
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class G4TransportationParameters
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{
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public:
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static G4TransportationParameters* Instance();
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~G4TransportationParameters() = default;
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G4bool SetNumberOfTrials( G4int val );
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G4bool SetWarningEnergy( G4double val );
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G4bool SetImportantEnergy( G4double val );
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G4int GetNumberOfTrials() const { return fNumberOfTrials; }
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G4double GetWarningEnergy() const { return fWarningEnergy; }
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G4double GetImportantEnergy() const { return fImportantEnergy; }
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G4bool IsMagneticMomentEnabled() const { return fUseMagneticMoment; }
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G4bool EnableUseOfMagneticMoment(G4bool useMoment=true);
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// Whether to deflect particles with force due to magnetic moment
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G4bool SetHighLooperThresholds(); // Shortcut method - old values (meant for HEP)
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G4bool SetIntermediateLooperThresholds(); // Intermediate values - also used as default
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G4bool SetLowLooperThresholds(); // Set low thresholds - for low-E applications
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G4bool SetSilenceAllLooperWarnings(G4bool val=true);
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// return value = success or failure of setting the parameter
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G4bool GetSilenceAllLooperWarnings(){ return fSilenceLooperWarnings; }
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// Probe whether the 'default' instance exists, without creating it
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static G4bool Exists() { return theInstance != nullptr; }
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// printing
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void StreamInfo(std::ostream& os) const;
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void Dump() const;
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friend std::ostream& operator<< (std::ostream& os, const G4TransportationParameters&);
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private:
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G4TransportationParameters();
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// Currently private - but potentially will open it up, to allow per-particle specialisation
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// void Initialise();
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G4bool IsLocked() const;
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void PrintWarning(G4ExceptionDescription& ed) const;
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private:
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static G4TransportationParameters* theInstance;
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// STATE
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// Values for initialising 'loopers' parameters of Transport process
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G4double fWarningEnergy = -1.0; // Warn above this energy
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G4double fImportantEnergy = -1.0; // Give a few trials above this E
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G4int fNumberOfTrials = 10; // Number of trials an important looper survives
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// Flags for use of gravity field(s) or fields which interact with the magnetic moment
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G4bool fUseMagneticMoment = false;
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G4bool fUseGravity = false;
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// Flag to *Supress* all 'looper' warnings
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G4bool fSilenceLooperWarnings= false;
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};
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#endif
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