G4TrajectoryChargeFilter.hh

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// $Id: G4TrajectoryChargeFilter.hh 66373 2012-12-18 09:41:34Z gcosmo $
//
// Filter trajectories according to charge. Only registered 
// charges will pass the filter.
//
// Jane Tinslay, May 2006
//
#ifndef G4TRAJECTORYCHARGEFILTER_HH
#define G4TRAJECTORYCHARGEFILTER_HH

#include "G4SmartFilter.hh"
#include "G4VTrajectory.hh"
#include <vector>

class G4TrajectoryChargeFilter : public G4SmartFilter<G4VTrajectory> {

public: // With description
 
  // Construct with filter name
  G4TrajectoryChargeFilter(const G4String& name = "Unspecified");
  
  virtual ~G4TrajectoryChargeFilter();

  // Evaluate this trajectory
  virtual bool Evaluate(const G4VTrajectory&) const;

  // Print configuration
  virtual void Print(std::ostream& ostr) const;

  // Clear filter
  virtual void Clear();

  // Configuration function
  void Add(const G4String& particle);

private:

  enum MyCharge {Negative=-1, Neutral=0, Positive=1}; 

  G4bool ConvertToCharge(const G4String&, MyCharge&);

  void Add(const MyCharge& chgear);  

  // Data member
  std::vector<MyCharge> fCharges;

};

#endif