xray_fluorescence/include/XrayFluoPrimaryGeneratorAction.hh

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0025 //
0026 //
0027 //
0028 // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
0029 //
0030 // History:
0031 // -----------
0032 //  28 Nov 2001  Elena Guardincerri   Created
0033 //
0034 // -------------------------------------------------------------------
0035
0036
0037 #ifndef XrayFluoPrimaryGeneratorAction_h
0038 #define XrayFluoPrimaryGeneratorAction_h 1
0039
0040 #include "G4VUserPrimaryGeneratorAction.hh"
0041 #include "globals.hh"
0042 #include "G4DataVector.hh"
0043 #include "G4ThreeVector.hh"
0044 #include <vector>
0045
0046 class G4ParticleGun;
0047 class G4Event;
0048 class XrayFluoDetectorConstruction;
0049 class XrayFluoPrimaryGeneratorMessenger;
0050 class XrayFluoRunAction;
0051
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0053
0054 class XrayFluoPrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
0055 {
0056   public:
0057
0058     XrayFluoPrimaryGeneratorAction(const XrayFluoDetectorConstruction*);
0059
0060    ~XrayFluoPrimaryGeneratorAction();
0061
0062   public:
0063   void GeneratePrimaries(G4Event*);
0064
0065   //method to set a random impact point on the sample
0066   void SetRndmFlag(G4String val) { rndmFlag = val;}
0067
0068   //method to choose a circular non-point source
0069   void SetRndmVert (G4String val) { beam = val;}
0070
0071   //set the flag for shooting particles according to certain spectra
0072   void SetSpectrum (G4String val) { spectrum= val  ;}
0073
0074  //set the flag for shooting particles from an isotropic source
0075   void SetIsoVert  (G4String val) { isoVert = val  ;}
0076
0077   //load data created in previous runs
0078   void ActivatePhaseSpace(G4String);
0079
0080   //load Raileigh scattered photon from previously loaded data
0081   void SetRayleighFlag (G4bool);
0082
0083
0084 private:
0085 //pointer a to G4 service class
0086   G4ParticleGun*                particleGun;
0087
0088   //pointer to the geometry
0089   const XrayFluoDetectorConstruction*    XrayFluoDetector;
0090
0091   //pointer to the run manager (master)
0092   const XrayFluoRunAction* runAction;
0093
0094   //messenger of this class
0095   XrayFluoPrimaryGeneratorMessenger* gunMessenger;
0096
0097   //flag for a random impact point
0098   G4String                      rndmFlag;
0099
0100   //flag for a circular non-point source
0101   G4String                      beam;
0102
0103  //flag  for shooting particles according to certain spectra
0104   G4String                      spectrum;
0105
0106  //flag  for shooting particles from an isotropic source
0107   G4String                      isoVert;
0108
0109   //flag for the use of phase-space created with a previous run
0110   G4bool phaseSpaceGunFlag;
0111
0112   // the flag to load  particle coming from Rayleigh scattering
0113   G4bool rayleighFlag;
0114
0115   G4ThreeVector detectorPosition;
0116
0117
0118
0119 };
0120
0121 #endif
0122
0123