G4PSFlatSurfaceCurrent.hh

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// $Id$
//

#ifndef G4PSFlatSurfaceCurrent_h
#define G4PSFlatSurfaceCurrent_h 1

#include "G4VPrimitiveScorer.hh"
#include "G4THitsMap.hh"

#include "G4Box.hh"
#include "G4PSDirectionFlag.hh"
// (Description)
//   This is a primitive scorer class for scoring Surface Current.
//  Current version assumes only for G4Box shape, and the surface
//  is defined at the -Z plane of the box.
//   The current is given in the unit of area. 
//    e.g.  (Number of tracks)/mm2.
//
// Surface is defined at the -Z surface.
// Direction                  -Z   +Z
//   0  IN || OUT            ->|<-  |      fCurrent_InOut
//   1  IN                   ->|    |      fCurrent_In
//   2  OUT                    |<-  |      fCurrent_Out
//
//
// Created: 2005-11-14  Tsukasa ASO, Akinori Kimura.
// 17-Nov-2005 T.Aso, Bug fix for area definition.
// 31-Mar-2007 T.Aso, Add option for normalizing by the area.
// 2010-07-22   Introduce Unit specification.
// 

class G4PSFlatSurfaceCurrent : public G4VPrimitiveScorer
{
 
  public: // with description
      G4PSFlatSurfaceCurrent(G4String name ,G4int direction, G4int depth=0);
      G4PSFlatSurfaceCurrent(G4String name ,G4int direction, 
                 const G4String& unit, G4int depth=0);
      virtual ~G4PSFlatSurfaceCurrent();

      // Scoring options
      inline void Weighted(G4bool flg=true) { weighted = flg; }
      // Multiply track weight
      inline void DivideByArea(G4bool flg=true) { divideByArea = flg; }
      // Divided By Area

  protected: // with description
      virtual G4bool ProcessHits(G4Step*,G4TouchableHistory*);
      G4int IsSelectedSurface(G4Step*,G4Box*);

  public: 
      virtual void Initialize(G4HCofThisEvent*);
      virtual void EndOfEvent(G4HCofThisEvent*);
      virtual void clear();
      virtual void DrawAll();
      virtual void PrintAll();

      virtual void SetUnit(const G4String& unit);    

  protected:
      virtual void DefineUnitAndCategory();

  private:
      G4int  HCID;
      G4int  fDirection;
      G4THitsMap<G4double>* EvtMap;
      G4bool weighted;
      G4bool divideByArea;

};

#endif