Import Geant4 10.4.0.beta source tree

2017-06-30 10:49:55 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// $Id: $
+//-----------------------------------------------------------------
+//
+// G4ChannelingOptrMultiParticleChangeCrossSection
+//
+// Class Description:
+//        A G4VBiasingOperator concrete implementation example to
+//    illustrate how an operator can make use of an other operator.
+//        In the present case, the G4ChannelingOptrChangeCrossSection
+//    operator, that is made to bias processes of one particle
+//    type is instancied several times, one for each particle type
+//    to bias.
+//
+//-----------------------------------------------------------------
+//
+
+#ifndef G4ChannelingOptrMultiParticleChangeCrossSection_hh
+#define G4ChannelingOptrMultiParticleChangeCrossSection_hh 1
+
+#include "G4VBiasingOperator.hh"
+class G4ChannelingOptrChangeCrossSection;
+class G4ParticleDefinition;
+
+#include <map>
+
+class G4ChannelingOptrMultiParticleChangeCrossSection : public G4VBiasingOperator {
+public:
+  G4ChannelingOptrMultiParticleChangeCrossSection();
+  virtual ~G4ChannelingOptrMultiParticleChangeCrossSection() {}
+  
+  // ---------------------------------
+  // -- Method specific to this class:
+  // ---------------------------------
+  // -- Each particle type for which its name is passed will be biased; *provided*
+  // -- that the proper calls to biasingPhysics->Bias(particleName) have been done
+  // -- in the main program.
+    void AddParticle( G4String particleName );
+    void AddChargedParticles();
+  
+  
+private:
+  // -----------------------------
+  // -- Mandatory from base class:
+  // -----------------------------
+  // -- This method returns a biasing operation that will bias the physics process occurence:
+  virtual G4VBiasingOperation*
+  ProposeOccurenceBiasingOperation(const G4Track*                            track,
+                                   const G4BiasingProcessInterface* callingProcess);
+  // -- Methods not used:
+  virtual G4VBiasingOperation*
+  ProposeFinalStateBiasingOperation(const G4Track*, const G4BiasingProcessInterface*)
+  {return 0;}
+  virtual G4VBiasingOperation*
+  ProposeNonPhysicsBiasingOperation(const G4Track*, const G4BiasingProcessInterface*)
+  {return 0;}
+
+  
+private:
+  // -- ("using" is to avoid compiler complaining against (false) method shadowing.)
+    using G4VBiasingOperator::OperationApplied;
+
+  // -- Optionnal base class method implementation.
+  // -- This method is called to inform the operator that a proposed operation has been applied.
+  // -- In the present case, it means that a physical interaction occured (interaction at
+  // -- PostStepDoIt level):
+  virtual void OperationApplied( const G4BiasingProcessInterface*                callingProcess,
+                                 G4BiasingAppliedCase                               biasingCase,
+                                 G4VBiasingOperation*                 occurenceOperationApplied,
+                                 G4double                         weightForOccurenceInteraction,
+                                 G4VBiasingOperation*                finalStateOperationApplied, 
+                                 const G4VParticleChange*                particleChangeProduced );
+
+public:
+  // -- Optionnal base class method. It is called at the time a tracking of a particle starts:
+  void StartTracking( const G4Track* track );
+  
+private:
+  // -- List of associations between particle types and biasing operators:
+  std::map < const G4ParticleDefinition*, 
+             G4ChannelingOptrChangeCrossSection* >    fBOptrForParticle;
+  std::vector < const G4ParticleDefinition* >   fParticlesToBias;
+  G4ChannelingOptrChangeCrossSection*                  fCurrentOperator;
+
+  // -- count number of biased interations for current track:
+  G4int fnInteractions;
+};
+
+#endif