Gabriele Cosmo
339 lines
11 KiB
C++
339 lines
11 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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//
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//
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//
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#ifndef G4PrimaryParticle_h
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#define G4PrimaryParticle_h 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 description:
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//
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// This is a class which represents a primary particle.
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// This is completely deferent class from G4Track or G4DynamicParticle.
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// This class is designed with taking into account the possibility of
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// making this class persistent, i.e. kept with G4Event class object
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// to ODBMS. Thus this class is almost free from any other Geant4 classes.
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// The only exception is a pointer to G4ParticleDefinition but it can be
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// rebuilt by the PDGcode.
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//
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// Primary particles are stored in G4PrimaryVertex object with a form
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// of linked list. Also, an object of this PrimaryParticle class can have
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// one or more objects of this class as its daughters with a form of
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// linked list.
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// A parimary particle represented by this class object needs not to be
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// a particle of 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 G4Dynamic
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// particle and be set to the mother G4Track. For this case, dauthers
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// are used as the "pre-fixed" decay channel.
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//
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class G4PrimaryParticle
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{
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public:
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inline void *operator new(size_t);
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inline void operator delete(void *aStackedTrack);
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public: // with description
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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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public:
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virtual ~G4PrimaryParticle();
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// copy constructor and assignment operator
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// nextParticle and daughterParticle is copied by object (i.e. deep copy)
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// userInfo will nt be copied
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G4PrimaryParticle(const G4PrimaryParticle &right);
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G4PrimaryParticle & operator=(const G4PrimaryParticle &right);
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// equal operator returns 'true' only if the same object (i.e comarison by pointer value)
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G4int operator==(const G4PrimaryParticle &right) const;
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G4int operator!=(const G4PrimaryParticle &right) const;
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public: // with description
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void Print() const;
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// Print the properties of the particle.
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public: // with description
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// followings are get/set methods available.
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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 in default.
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// "SetMass" and "SetCharge" methods are used to set dynamical mass and charge
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// G4DynamicParticle."GetMass" and "GetCharge" methods will return
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// those in G4ParticleDefinition if users do not set dynamical ones.
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G4int GetPDGcode() const;
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void SetPDGcode(G4int Pcode);
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G4ParticleDefinition * GetG4code() const;
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void SetG4code(const G4ParticleDefinition * Gcode);
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const G4ParticleDefinition * GetParticleDefinition() const;
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void SetParticleDefinition(const G4ParticleDefinition * pdef);
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G4double GetMass() const;
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void SetMass(G4double mas);
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G4double GetCharge() const;
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void SetCharge(G4double chg);
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G4double GetKineticEnergy() const;
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void SetKineticEnergy(G4double eKin);
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const G4ThreeVector& GetMomentumDirection() const;
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void SetMomentumDirection(const G4ThreeVector& p);
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G4double GetTotalMomentum() const;
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void Set4Momentum(G4double px, G4double py, G4double pz, G4double E);
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G4double GetTotalEnergy() const;
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void SetTotalEnergy(G4double eTot );
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G4ThreeVector GetMomentum() const;
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void SetMomentum(G4double px, G4double py, G4double pz);
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G4double GetPx() const;
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G4double GetPy() const;
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G4double GetPz() const;
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G4PrimaryParticle * GetNext() const;
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void SetNext(G4PrimaryParticle * np);
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void ClearNext();
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G4PrimaryParticle * GetDaughter() const;
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void SetDaughter(G4PrimaryParticle * np);
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G4int GetTrackID() const;
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void SetTrackID(G4int id);
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G4ThreeVector GetPolarization() const;
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void SetPolarization(const G4ThreeVector& pol);
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void SetPolarization(G4double px,G4double py,G4double pz);
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G4double GetPolX() const;
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G4double GetPolY() const;
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G4double GetPolZ() const;
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G4double GetWeight() const;
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void SetWeight(G4double w);
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G4double GetProperTime() const;
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void SetProperTime(G4double t);
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G4VUserPrimaryParticleInformation* GetUserInformation() const;
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void SetUserInformation(G4VUserPrimaryParticleInformation* anInfo);
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private:
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G4int PDGcode;
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const G4ParticleDefinition * G4code;
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G4ThreeVector direction;
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G4double kinE;
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G4PrimaryParticle * nextParticle;
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G4PrimaryParticle * daughterParticle;
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G4int trackID; // 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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G4double mass;
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G4double charge;
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G4double polX;
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G4double polY;
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G4double polZ;
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G4double Weight0;
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G4double properTime;
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G4VUserPrimaryParticleInformation* userInfo;
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};
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extern G4PART_DLL G4Allocator<G4PrimaryParticle>*& aPrimaryParticleAllocator();
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inline void * G4PrimaryParticle::operator new(size_t)
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{
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if (!aPrimaryParticleAllocator())
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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 void G4PrimaryParticle::operator delete(void * aPrimaryParticle)
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{
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aPrimaryParticleAllocator()->FreeSingle((G4PrimaryParticle *) aPrimaryParticle);
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}
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inline G4double G4PrimaryParticle::GetMass() const
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{ return mass; }
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inline G4double G4PrimaryParticle::GetCharge() const
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{ return charge; }
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inline G4int G4PrimaryParticle::GetPDGcode() const
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{ return PDGcode; }
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inline G4ParticleDefinition * G4PrimaryParticle::GetG4code() const
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{ return const_cast<G4ParticleDefinition*>(G4code); }
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inline const G4ParticleDefinition * G4PrimaryParticle::GetParticleDefinition() const
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{ return G4code; }
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inline 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 G4ThreeVector G4PrimaryParticle::GetMomentum() const
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{ return GetTotalMomentum()*direction;}
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inline const G4ThreeVector& G4PrimaryParticle::GetMomentumDirection() const
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{ return direction;}
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inline void G4PrimaryParticle::SetMomentumDirection(const G4ThreeVector& p)
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{ direction = p;}
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inline G4double G4PrimaryParticle::GetPx() const
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{ return GetTotalMomentum()*direction.x();}
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inline G4double G4PrimaryParticle::GetPy() const
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{ return GetTotalMomentum()*direction.y();}
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inline G4double G4PrimaryParticle::GetPz() const
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{ return GetTotalMomentum()*direction.z();}
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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 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 G4double G4PrimaryParticle::GetKineticEnergy() const
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{ return kinE; }
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inline void G4PrimaryParticle::SetKineticEnergy(G4double eKin)
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{ kinE = eKin; }
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inline G4PrimaryParticle * G4PrimaryParticle::GetNext() const
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{ return nextParticle; }
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inline G4PrimaryParticle * G4PrimaryParticle::GetDaughter() const
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{ return daughterParticle; }
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inline G4int G4PrimaryParticle::GetTrackID() const
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{ return trackID; }
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inline G4ThreeVector G4PrimaryParticle::GetPolarization() const
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{ return G4ThreeVector(polX,polY,polZ); }
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inline G4double G4PrimaryParticle::GetPolX() const
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{ return polX; }
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inline G4double G4PrimaryParticle::GetPolY() const
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{ return polY; }
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inline G4double G4PrimaryParticle::GetPolZ() const
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{ return polZ; }
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inline G4double G4PrimaryParticle::GetWeight() const
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{ return Weight0; }
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inline void G4PrimaryParticle::SetWeight(G4double w)
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{ Weight0 = w; }
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inline void G4PrimaryParticle::SetProperTime(G4double t)
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{ properTime = t; }
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inline G4double G4PrimaryParticle::GetProperTime() const
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{ return properTime; }
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inline void G4PrimaryParticle::SetUserInformation(G4VUserPrimaryParticleInformation* anInfo)
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{ userInfo = anInfo; }
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inline G4VUserPrimaryParticleInformation* G4PrimaryParticle::GetUserInformation() const
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{ return userInfo; }
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inline 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 void G4PrimaryParticle::SetNext(G4PrimaryParticle * np)
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{
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if (nextParticle == 0) { nextParticle = np; }
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else { nextParticle->SetNext(np); }
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}
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inline void G4PrimaryParticle::ClearNext()
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{
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nextParticle = nullptr;
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}
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inline void G4PrimaryParticle::SetDaughter(G4PrimaryParticle * np)
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{
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if(daughterParticle == 0) { daughterParticle = np; }
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else { daughterParticle->SetNext(np); }
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}
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inline void G4PrimaryParticle::SetTrackID(G4int id)
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{ trackID = id; }
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inline void G4PrimaryParticle::SetMass(G4double mas)
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{ mass = mas; }
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inline void G4PrimaryParticle::SetCharge(G4double chg)
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{ charge = chg; }
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inline 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 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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