Dicom2PrimaryGeneratorAction.hh

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/// \file Dicom2PrimaryGeneratorAction.hh
/// \brief Definition of the Dicom2PrimaryGeneratorAction class
 
#ifndef Dicom2PrimaryGeneratorAction_h
#define Dicom2PrimaryGeneratorAction_h 1
 
#include "G4VUserPrimaryGeneratorAction.hh"
#include "G4ParticleGun.hh"
#include "globals.hh"
 
class G4ParticleGun;
class G4Event;
class G4Box;
class G4VPhysicalVolume;
 
/// The primary generator action class with particle gun.
///
/// The default kinematic is a 6 MeV gamma, randomly distribued 
/// in front of the phantom across 80% of the (X,Y) phantom size.
 
class Dicom2PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
public:
    Dicom2PrimaryGeneratorAction();
    virtual ~Dicom2PrimaryGeneratorAction();
 
    // method from the base class
    virtual void GeneratePrimaries(G4Event*);         
  
    // method to access particle gun
    const G4ParticleGun* GetParticleGun() const { return fParticleGun; }
  
private:
    G4ParticleGun*      fParticleGun; // pointer a to G4 gun class
    G4Box*              fEnvelopeBox;
    G4VPhysicalVolume*  fEnvelopeVol;
    G4ThreeVector       fPosCenter;
    G4ThreeVector       fPosDelta;
    G4double            fGeomFactor;
};
 
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#endif