B4a/include/B4PrimaryGeneratorAction.hh

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// $Id: B4PrimaryGeneratorAction.hh 68058 2013-03-13 14:47:43Z gcosmo $
// 
/// \file B4PrimaryGeneratorAction.hh
/// \brief Definition of the B4PrimaryGeneratorAction class

#ifndef B4PrimaryGeneratorAction_h
#define B4PrimaryGeneratorAction_h 1

#include "G4VUserPrimaryGeneratorAction.hh"
#include "globals.hh"

class G4ParticleGun;
class G4Event;

/// The primary generator action class with particle gum.
///
/// It defines a single particle which hits the calorimeter 
/// perpendicular to the input face. The type of the particle
/// can be changed via the G4 build-in commands of G4ParticleGun class 
/// (see the macros provided with this example).

class B4PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
public:
  B4PrimaryGeneratorAction();    
  virtual ~B4PrimaryGeneratorAction();

  virtual void GeneratePrimaries(G4Event* event);
  
  // set methods
  void SetRandomFlag(G4bool value);

private:
  G4ParticleGun*  fParticleGun; // G4 particle gun
};

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#endif