Gabriele Cosmo
188 lines
5.9 KiB
C++
188 lines
5.9 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// MODULE: G4SPSRandomGenerator.hh
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//
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// Version: 1.0
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// Date: 5/02/04
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// Author: Fan Lei
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// Organisation: QinetiQ ltd.
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// Customer: ESA/ESTEC
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// CHANGE HISTORY
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// --------------
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//
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//
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// Version 1.0, 05/02/2004, Fan Lei, Created.
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// Based on the G4GeneralParticleSource class in Geant4 v6.0
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// Class Description:
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//
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// Special random number generator used by G4GeneralParticleSource to allow
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// biasing applied at the lowest level for all distributions.
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// MEMBER FUNCTIONS
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// ----------------
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//
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// G4SPSRandomGenerator ()
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// Constructor: Initializes variables
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//
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// ~G4SPSRandomGenerator ()
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// Destructor:
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//
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// void SetXBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate x co-ordinates.
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//
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// void SetYBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate y co-ordinates.
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//
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// void SetZBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate z co-ordinates.
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//
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// void SetThetaBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate values of theta.
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//
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// void SetPhiBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate values of phi.
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//
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// void SetEnergyBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate the energies.
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//
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// G4double GenRandX()
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// Generates the random number for x, with or without biasing.
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//
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// G4double GenRandY()
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// Generates the random number for y, with or without biasing.
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//
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// G4double GenRandZ()
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// Generates the random number for z, with or without biasing.
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//
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// G4double GenRandTheta()
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// Generates the random number for theta, with or without biasing.
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//
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// G4double GenRandPhi()
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// Generates the random number for phi, with or without biasing.
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//
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// G4double GenRandEnergy()
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// Generates the random number for energy, with or without biasing.
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//
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// inline G4double GetBiasWeight()
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// Returns the weight change after biasing
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//
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// void ReSetHist(G4String);
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// Re-sets the histogram for user defined distribution
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//
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// void SetVerbosity(G4int)
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// Sets the verbosity level.
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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#ifndef G4SPSRandomGenerator_h
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#define G4SPSRandomGenerator_h 1
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#include "G4PhysicsOrderedFreeVector.hh"
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#include "G4DataInterpolation.hh"
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class G4SPSRandomGenerator
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{
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public:
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G4SPSRandomGenerator ();
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~G4SPSRandomGenerator ();
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// static G4SPSRandomGenerator* getInstance ();
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// Biasing Methods
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void SetXBias(G4ThreeVector);
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void SetYBias(G4ThreeVector);
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void SetZBias(G4ThreeVector);
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void SetThetaBias(G4ThreeVector);
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void SetPhiBias(G4ThreeVector);
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void SetEnergyBias(G4ThreeVector);
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G4double GenRandX();
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G4double GenRandY();
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G4double GenRandZ();
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G4double GenRandTheta();
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G4double GenRandPhi();
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G4double GenRandEnergy();
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inline G4double GetBiasWeight()
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{ return bweights[0]*bweights[1]*bweights[2]*bweights[3]*bweights[4]*bweights[5];};
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// method to re-set the histograms
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void ReSetHist(G4String);
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// Set the verbosity level.
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void SetVerbosity(G4int a) {verbosityLevel = a; } ;
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private:
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// static G4SPSRandomGenerator *instance;
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G4bool XBias, IPDFXBias;
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G4PhysicsOrderedFreeVector XBiasH;
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G4PhysicsOrderedFreeVector IPDFXBiasH;
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G4bool YBias, IPDFYBias;
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G4PhysicsOrderedFreeVector YBiasH;
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G4PhysicsOrderedFreeVector IPDFYBiasH;
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G4bool ZBias, IPDFZBias;
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G4PhysicsOrderedFreeVector ZBiasH;
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G4PhysicsOrderedFreeVector IPDFZBiasH;
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G4bool ThetaBias, IPDFThetaBias;
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G4PhysicsOrderedFreeVector ThetaBiasH;
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G4PhysicsOrderedFreeVector IPDFThetaBiasH;
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G4bool PhiBias, IPDFPhiBias;
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G4PhysicsOrderedFreeVector PhiBiasH;
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G4PhysicsOrderedFreeVector IPDFPhiBiasH;
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G4bool EnergyBias, IPDFEnergyBias;
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G4PhysicsOrderedFreeVector EnergyBiasH;
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G4PhysicsOrderedFreeVector IPDFEnergyBiasH;
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G4double bweights[6]; //record x,y,z,theta,phi,energy weights
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// Verbosity
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G4int verbosityLevel;
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G4PhysicsOrderedFreeVector ZeroPhysVector ; // for re-set only
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};
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#endif
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