Geant4  10.03
Par02Smearer.hh
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30 
31 #ifndef PAR02_SMEARER_H
32 #define PAR02_SMEARER_H
33 
34 #include "Par02Output.hh"
35 #include "globals.hh"
36 #include "G4Track.hh"
37 #include "CLHEP/Random/JamesRandom.h"
38 #include "CLHEP/Random/RandGauss.h"
39 
46 
47 class Par02Smearer {
48  public:
49 
52  static Par02Smearer* Instance();
53 
58  G4ThreeVector SmearMomentum( const G4Track* aTrack, G4double aResolution = -1 );
59 
64  G4double SmearEnergy( const G4Track* aTrack, G4double aResolution = -1 );
65 
70  G4ThreeVector SmearGaussian( const G4Track* aTrackOriginal, G4double aResolution );
71 
75  G4double Gauss( G4double aMean, G4double aStandardDeviation );
76 
77  protected:
78 
80  Par02Smearer();
81 
82  ~Par02Smearer();
83 
84  private:
85 
88 
90  CLHEP::HepRandomEngine* fRandomEngine;
91 
93  CLHEP::RandGauss* fRandomGauss;
94 };
95 
96 #endif
97 
static Par02Smearer * Instance()
Allows the access to the unique Par02Smearer class object.
Definition: Par02Smearer.cc:59
CLHEP::Hep3Vector G4ThreeVector
CLHEP::RandGauss * fRandomGauss
CLHEP random engine used in gaussian smearing.
Definition: Par02Smearer.hh:93
static Par02Smearer * fPar02Smearer
A pointer to Par02Smearer object.
Definition: Par02Smearer.hh:87
G4ThreeVector SmearMomentum(const G4Track *aTrack, G4double aResolution=-1)
Smears the momentum with a given resolution.
Definition: Par02Smearer.cc:68
G4double SmearEnergy(const G4Track *aTrack, G4double aResolution=-1)
Smears the energy deposit with a given resolution.
Definition: Par02Smearer.cc:75
Definition of the Par02Output class.
Par02Smearer()
A default constructor.
Definition: Par02Smearer.cc:47
Smearing of the particle momentum or energy.
Definition: Par02Smearer.hh:47
G4ThreeVector SmearGaussian(const G4Track *aTrackOriginal, G4double aResolution)
First possible type of smearing. Smears the momentum with a given resolution.
Definition: Par02Smearer.cc:92
CLHEP::HepRandomEngine * fRandomEngine
CLHEP random engine.
Definition: Par02Smearer.hh:90
double G4double
Definition: G4Types.hh:76
G4double Gauss(G4double aMean, G4double aStandardDeviation)
Returns a random number from a Gaussian distribution.