Gabriele Cosmo
444 lines
12 KiB
C++
444 lines
12 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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// G4PrimaryParticle
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//
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// Class description:
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//
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// This class represents a primary particle.
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// G4PrimaryParticle is a completely different object from G4Track or
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// G4DynamicParticle. G4PrimaryParticle is designed to take into account
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// the possibility of making the object persistent, i.e. kept with G4Event
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// class object within an ODBMS. This class is therefore almost independent
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// from any other Geant4 object. The only exception is a pointer to
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// G4ParticleDefinition, which can be rebuilt by its PDGcode.
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//
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// Primary particles are stored in G4PrimaryVertex through a form of linked
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// list. A G4PrimaryParticle object can have one or more objects of this
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// class as its daughters as a form of linked list.
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// A primary particle represented by this class object needs not to be
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// a particle type which Geant4 can simulate:
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// Case a) mother particle is not a particle Geant4 can simulate
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// daughters associated to the mother will be examined.
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// Case b) mother particle is a perticle Geant4 can simulate
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// daughters associated to the mother will be converted to
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// G4DynamicParticle and be set to the mother G4Track.
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// For this case, daugthers are used as the "pre-fixed"
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// decay channel.
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// Authors: G.Cosmo, 2 December 1995 - Design, based on object model
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// M.Asai, 29 January 1996 - First implementation
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// --------------------------------------------------------------------
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#ifndef G4PrimaryParticle_hh
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#define G4PrimaryParticle_hh 1
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#include "globals.hh"
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#include "G4Allocator.hh"
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#include "G4ThreeVector.hh"
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#include "pwdefs.hh"
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class G4ParticleDefinition;
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class G4VUserPrimaryParticleInformation;
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class G4PrimaryParticle
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{
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public:
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G4PrimaryParticle();
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G4PrimaryParticle(G4int Pcode);
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G4PrimaryParticle(G4int Pcode,
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G4double px, G4double py, G4double pz);
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G4PrimaryParticle(G4int Pcode,
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G4double px,G4double py, G4double pz, G4double E);
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G4PrimaryParticle(const G4ParticleDefinition* Gcode);
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G4PrimaryParticle(const G4ParticleDefinition* Gcode,
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G4double px,G4double py,G4double pz);
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G4PrimaryParticle(const G4ParticleDefinition* Gcode,
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G4double px,G4double py, G4double pz, G4double E);
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// Constructors
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virtual ~G4PrimaryParticle();
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// Destructor
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G4PrimaryParticle(const G4PrimaryParticle& right);
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G4PrimaryParticle& operator=(const G4PrimaryParticle& right);
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// Copy constructor and assignment operator
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// NOTE: nextParticle and daughterParticle are copied by object
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// (i.e. deep copy); userInfo will not be copied
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G4bool operator==(const G4PrimaryParticle& right) const;
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G4bool operator!=(const G4PrimaryParticle& right) const;
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// Equality operator returns 'true' only if same object
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// (i.e. comparison by pointer value)
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inline void* operator new(std::size_t);
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inline void operator delete(void* aPrimaryParticle);
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// Overloaded new/delete operators
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void Print() const;
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// Print the properties of the particle
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// Followings are the available accessors/modifiers.
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// "trackID" will be set if this particle is sent to G4EventManager
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// and converted to G4Track. Otherwise = -1.
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// The mass and charge in G4ParticleDefinition will be used by default.
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// "SetMass" and "SetCharge" methods are used to set dynamical mass and
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// charge of G4DynamicParticle.
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// "GetMass" and "GetCharge" methods will return those in
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// G4ParticleDefinition if users do not set dynamical ones
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inline G4int GetPDGcode() const;
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void SetPDGcode(G4int Pcode);
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inline G4ParticleDefinition* GetG4code() const;
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inline void SetG4code(const G4ParticleDefinition* Gcode);
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inline const G4ParticleDefinition* GetParticleDefinition() const;
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void SetParticleDefinition(const G4ParticleDefinition* pdef);
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inline G4double GetMass() const;
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inline void SetMass(G4double mas);
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inline G4double GetCharge() const;
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inline void SetCharge(G4double chg);
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inline G4double GetKineticEnergy() const;
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inline void SetKineticEnergy(G4double eKin);
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inline const G4ThreeVector& GetMomentumDirection() const;
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inline void SetMomentumDirection(const G4ThreeVector& p);
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inline G4double GetTotalMomentum() const;
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void Set4Momentum(G4double px, G4double py, G4double pz, G4double E);
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inline G4double GetTotalEnergy() const;
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inline void SetTotalEnergy(G4double eTot);
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inline G4ThreeVector GetMomentum() const;
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void SetMomentum(G4double px, G4double py, G4double pz);
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inline G4double GetPx() const;
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inline G4double GetPy() const;
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inline G4double GetPz() const;
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inline G4PrimaryParticle* GetNext() const;
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inline void SetNext(G4PrimaryParticle* np);
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inline void ClearNext();
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inline G4PrimaryParticle* GetDaughter() const;
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inline void SetDaughter(G4PrimaryParticle* np);
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inline G4int GetTrackID() const;
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inline void SetTrackID(G4int id);
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inline G4ThreeVector GetPolarization() const;
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inline void SetPolarization(const G4ThreeVector& pol);
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inline void SetPolarization(G4double px, G4double py, G4double pz);
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inline G4double GetPolX() const;
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inline G4double GetPolY() const;
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inline G4double GetPolZ() const;
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inline G4double GetWeight() const;
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inline void SetWeight(G4double w);
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inline G4double GetProperTime() const;
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inline void SetProperTime(G4double t);
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inline G4VUserPrimaryParticleInformation* GetUserInformation() const;
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inline void SetUserInformation(G4VUserPrimaryParticleInformation* anInfo);
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private:
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const G4ParticleDefinition* G4code = nullptr;
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G4ThreeVector direction;
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G4double kinE = 0.0;
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G4PrimaryParticle* nextParticle = nullptr;
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G4PrimaryParticle* daughterParticle = nullptr;
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G4double mass = -1.0;
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G4double charge = 0.0;
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G4double polX = 0.0;
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G4double polY = 0.0;
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G4double polZ = 0.0;
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G4double Weight0 = 1.0;
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G4double properTime = -1.0;
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G4VUserPrimaryParticleInformation* userInfo = nullptr;
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G4int PDGcode = 0;
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G4int trackID = -1; // This will be set if this particle is
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// sent to G4EventManager and converted to
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// G4Track. Otherwise = -1
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};
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extern G4PART_DLL G4Allocator<G4PrimaryParticle>*& aPrimaryParticleAllocator();
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// ------------------------
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// Inline methods
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// ------------------------
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inline
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void* G4PrimaryParticle::operator new(std::size_t)
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{
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if (aPrimaryParticleAllocator() == nullptr)
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{
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aPrimaryParticleAllocator() = new G4Allocator<G4PrimaryParticle>;
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}
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return (void*) aPrimaryParticleAllocator()->MallocSingle();
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}
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inline
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void G4PrimaryParticle::operator delete(void* aPrimaryParticle)
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{
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aPrimaryParticleAllocator()
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->FreeSingle((G4PrimaryParticle*) aPrimaryParticle);
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}
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inline
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G4double G4PrimaryParticle::GetMass() const
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{
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return mass;
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}
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inline
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G4double G4PrimaryParticle::GetCharge() const
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{
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return charge;
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}
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inline
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G4int G4PrimaryParticle::GetPDGcode() const
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{
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return PDGcode;
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}
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inline
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G4ParticleDefinition* G4PrimaryParticle::GetG4code() const
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{
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return const_cast<G4ParticleDefinition*>(G4code);
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}
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inline
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const G4ParticleDefinition* G4PrimaryParticle::GetParticleDefinition() const
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{
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return G4code;
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}
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inline
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G4double G4PrimaryParticle::GetTotalMomentum() const
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{
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if (mass<0.) return kinE;
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else return std::sqrt(kinE*(kinE+2.*mass));
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}
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inline
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G4ThreeVector G4PrimaryParticle::GetMomentum() const
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{
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return GetTotalMomentum()*direction;
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}
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inline
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const G4ThreeVector& G4PrimaryParticle::GetMomentumDirection() const
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{
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return direction;
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}
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inline
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void G4PrimaryParticle::SetMomentumDirection(const G4ThreeVector& p)
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{
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direction = p;
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}
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inline
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G4double G4PrimaryParticle::GetPx() const
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{
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return GetTotalMomentum()*direction.x();
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}
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inline
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G4double G4PrimaryParticle::GetPy() const
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{
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return GetTotalMomentum()*direction.y();
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}
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inline
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G4double G4PrimaryParticle::GetPz() const
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{
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return GetTotalMomentum()*direction.z();
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}
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inline G4double G4PrimaryParticle::GetTotalEnergy() const
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{
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if (mass<0.) return kinE;
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else return kinE+mass;
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}
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inline
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void G4PrimaryParticle::SetTotalEnergy(G4double eTot )
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{
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if (mass<0.) kinE = eTot;
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else kinE = eTot - mass;
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}
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inline
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G4double G4PrimaryParticle::GetKineticEnergy() const
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{
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return kinE;
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}
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inline
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void G4PrimaryParticle::SetKineticEnergy(G4double eKin)
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{
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kinE = eKin;
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}
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inline
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G4PrimaryParticle* G4PrimaryParticle::GetNext() const
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{
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return nextParticle;
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}
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inline
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G4PrimaryParticle* G4PrimaryParticle::GetDaughter() const
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{
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return daughterParticle;
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}
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inline
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G4int G4PrimaryParticle::GetTrackID() const
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{
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return trackID;
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}
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inline
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G4ThreeVector G4PrimaryParticle::GetPolarization() const
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{
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return G4ThreeVector(polX,polY,polZ);
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}
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inline
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G4double G4PrimaryParticle::GetPolX() const
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{
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return polX;
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}
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inline
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G4double G4PrimaryParticle::GetPolY() const
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{
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return polY;
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}
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inline
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G4double G4PrimaryParticle::GetPolZ() const
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{
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return polZ;
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}
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inline
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G4double G4PrimaryParticle::GetWeight() const
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{
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return Weight0;
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}
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inline
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void G4PrimaryParticle::SetWeight(G4double w)
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{
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Weight0 = w;
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}
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inline
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void G4PrimaryParticle::SetProperTime(G4double t)
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{
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properTime = t;
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}
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inline
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G4double G4PrimaryParticle::GetProperTime() const
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{
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return properTime;
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}
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inline
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void G4PrimaryParticle::
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SetUserInformation(G4VUserPrimaryParticleInformation* anInfo)
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{
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userInfo = anInfo;
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}
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inline
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G4VUserPrimaryParticleInformation*
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G4PrimaryParticle::GetUserInformation() const
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{
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return userInfo;
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}
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inline
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void G4PrimaryParticle::SetG4code(const G4ParticleDefinition* Gcode)
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{
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SetParticleDefinition(Gcode);
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}
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inline
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void G4PrimaryParticle::SetNext(G4PrimaryParticle* np)
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{
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if (nextParticle == nullptr) { nextParticle = np; }
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else { nextParticle->SetNext(np); }
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}
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inline
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void G4PrimaryParticle::ClearNext()
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{
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nextParticle = nullptr;
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}
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inline
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void G4PrimaryParticle::SetDaughter(G4PrimaryParticle* np)
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{
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if(daughterParticle == nullptr) { daughterParticle = np; }
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else { daughterParticle->SetNext(np); }
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}
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inline
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void G4PrimaryParticle::SetTrackID(G4int id)
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{
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trackID = id;
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}
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inline
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void G4PrimaryParticle::SetMass(G4double mas)
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{
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mass = mas;
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}
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inline
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void G4PrimaryParticle::SetCharge(G4double chg)
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{
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charge = chg;
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}
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inline
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void G4PrimaryParticle::SetPolarization(G4double px, G4double py, G4double pz)
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{
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polX = px;
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polY = py;
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polZ = pz;
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}
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inline
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void G4PrimaryParticle::SetPolarization(const G4ThreeVector& pol)
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{
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polX = pol.x();
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polY = pol.y();
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polZ = pol.z();
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}
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#endif
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