G4VSampler.hh

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// $Id$
//
// ----------------------------------------------------------------------
// Class G4VSampler
//
// Class description:
//
// This interface describes a configurable sampler.
// It applies to a given particle type.
// Concrete classes with this interface may be used for 
// scoring, importance sampling and weight cutoff (weight roulette).
 
// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4VSampler_hh
#define G4VSampler_hh G4VSampler_hh
 
#include "G4Types.hh"
#include "G4PlaceOfAction.hh"
 
class G4VPhysicalVolume;
class G4VImportanceAlgorithm;
class G4VIStore;
class G4VWeightWindowAlgorithm;
class G4VWeightWindowStore;
//class G4VScorer;
 
class G4VSampler
{
 
public:  // with description
  
  G4VSampler();
  virtual ~G4VSampler();
 
  //  virtual void PrepareScoring(G4VScorer *Scorer) = 0;
  //  virtual void PrepareScoring() = 0;
 
  virtual void PrepareImportanceSampling(G4VIStore *istore,
                                         const G4VImportanceAlgorithm 
                                         *ialg = 0) = 0;
 
 
  virtual void PrepareWeightRoulett(G4double wsurvive = 0.5, 
                                    G4double wlimit = 0.25,
                                    G4double isource = 1) = 0;
 
  virtual void PrepareWeightWindow(G4VWeightWindowStore *wwstore,
                                   G4VWeightWindowAlgorithm *wwAlg = 0,
                                   G4PlaceOfAction placeOfAction = 
                                   onBoundary) = 0;
 
  virtual void Configure() = 0;
 
  virtual void ClearSampling() = 0;
    // clear the sampler and remove the processes
 
  virtual G4bool IsConfigured() const = 0;
    // check if some initialization hase already been done
 
  virtual void SetParallel(G4bool paraflag) = 0;
 
};
  
#endif