G4BlinePrimaryGeneratorAction.hh

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// $Id: G4BlinePrimaryGeneratorAction.hh 68021 2013-03-13 13:36:07Z gcosmo $
//
// 
// --------------------------------------------------------------------
//
// Class description:
//
// Defines the primary generator action used for tracing magnetic
// field lines.
// It generates the primary vertex by using the user defined primary
// generator action and replaces only the definition of the particle
// to be tracked by a "charged-geantino".
// The user can define start position for field line tracking in
// his/her own primary generator action.

// --------------------------------------------------------------------
// Author: Laurent Desorgher (desorgher@phim.unibe.ch)
//         Created - 2003-10-06
// --------------------------------------------------------------------
#ifndef G4BlinePrimaryGeneratorAction_h
#define G4BlinePrimaryGeneratorAction_h 1

#include <vector>

#include "G4Types.hh"
#include "G4ThreeVector.hh"
#include "G4VUserPrimaryGeneratorAction.hh"

class G4Event;

class G4BlinePrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction 
{
  public:  // with description

    G4BlinePrimaryGeneratorAction();    
    virtual ~G4BlinePrimaryGeneratorAction();

    virtual  void GeneratePrimaries(G4Event* anEvent);
    inline void SetUserPrimaryAction(G4VUserPrimaryGeneratorAction* anAction)
      { fUserPrimaryAction=anAction; }

  private:

    G4VUserPrimaryGeneratorAction* fUserPrimaryAction;
    G4bool fFirstPartOfBline;
    G4ThreeVector fBlineStartPosition;
    G4double fT0;
};

#endif