G4WeightWindowStore.hh

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// $Id$
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// ----------------------------------------------------------------------
// Class G4WeightWindowStore
//
// Class description:
//
// Implementation of a weight window store according to the
// G4VWeightWindowStore interface.
// See G4VWeightWindowStore.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4WeightWindowStore_hh
#define G4WeightWindowStore_hh G4WeightWindowStore_hh 

#include "G4VWeightWindowStore.hh"
#include "G4GeometryCellWeight.hh"
#include <set>
#include <vector>

class G4WeightWindowStore: public G4VWeightWindowStore
{

public:  // with description

  explicit G4WeightWindowStore(const G4VPhysicalVolume &worldvolume);
    // initialise the weight window store for the given geometry

  ~G4WeightWindowStore();
    // destructor

  G4double GetLowerWeight(const G4GeometryCell &gCell, 
                                        G4double partEnergy) const;
    // derive a lower weight bound value of a "cell" addresed by a 
    // G4GeometryCell and the coresponding energy from the store.

  G4bool IsKnown(const G4GeometryCell &gCell) const;
    // returns true if the gCell is in the store, else false 


  const G4VPhysicalVolume &GetWorldVolume() const;
    // return a reference to the wolrd volume of the 
    // geometry

  void AddLowerWeights(const G4GeometryCell &gCell,
                       const std::vector<G4double> &lowerWeights);
    // add lower weights. Only if general upper energy bounds have 
    // been set
 
  void AddUpperEboundLowerWeightPairs(const G4GeometryCell &gCell,
                                      const G4UpperEnergyToLowerWeightMap&
                                      enWeMap);
    // set upper energy - lower weight pairs for a cell

  void SetGeneralUpperEnergyBounds(const std::set<G4double, std::less<G4double> > &enBounds);
  
private:

  G4bool IsInWorld(const G4VPhysicalVolume &) const;
  void Error(const G4String &m) const;
  void SetInternalIterator(const G4GeometryCell &gCell) const;
  
private:

  const G4VPhysicalVolume &fWorldVolume;  
  std::set<G4double, std::less<G4double> > fGeneralUpperEnergyBounds;
  G4GeometryCellWeight fCellToUpEnBoundLoWePairsMap;
  mutable G4GeometryCellWeight::const_iterator fCurrentIterator;
  
};

#endif

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