G4BiasingHelper.hh

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// $Id: $
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//---------------------------------------------------------------
//
// G4BiasingHelper
//
// Class Description:
//    A utility class to help configuring code for biasing.
//    
//
//---------------------------------------------------------------
//   Initial version                         Sep. 2013 M. Verderi


#ifndef G4BiasingHelper_h
#define G4BiasingHelper_h 1

#include "globals.hh"

class G4ProcessManager;
class G4ParallelGeometriesLimiterProcess;

#include <vector>

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class G4BiasingHelper
{
public:
  // -- Substitute, in the process manager passed, physics process "physicsProcessToBias"
  // -- with a version wrapped by a G4BiasingProcessInterface wrapped, to put this physics
  // -- process under biasing.
  // -- Only processes of process type 2 (EM), 3 (Optical), 4 (Had.) and 6 (Decay) will be
  // -- wrapped.
  // -- A name for this wrapped process can be given (otherwise a default one is provided:
  // -- e.g. for process "phot" this will be "biasWrapper(phot)").
  static G4bool    ActivatePhysicsBiasing(G4ProcessManager* pmanager, G4String physicsProcessToBias,
                                          G4String wrappedName = "");
  // -- Insert, in the process manager passed, a G4BiasingProcessInterface process that
  // -- will deal with non-modifying physics biasing (splitting, killing). A name for
  // -- this process can be passed, otherwise the default name "biasWrapper(0)" is used.
  static void   ActivateNonPhysicsBiasing(G4ProcessManager* pmanager,
                                          G4String nonPhysicsProcessName = "");
  
  // -- Add a G4ParallelGeometriesLimiterProcess instance to the given process manager
  // -- The pointer of the added process is returned.
  static G4ParallelGeometriesLimiterProcess* AddLimiterProcess(G4ProcessManager* pmanager,
                                                               const G4String& processName = "biasLimiter");
};

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#endif