BrachyPrimaryGeneratorAction.cc

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//
//
// --------------------------------------------------------------
//                 GEANT 4 - Brachytherapy example
// --------------------------------------------------------------
//
// Code developed by:
// S.Guatelli
//
//    ********************************************
//    *                                          *
//    *    BrachyPrimaryGeneratorAction.cc       *
//    *                                          *
//    ********************************************
//
// $Id: BrachyPrimaryGeneratorAction.cc 84280 2014-10-13 07:21:10Z gcosmo $
//

#include "globals.hh"

#include "BrachyPrimaryGeneratorAction.hh"
#include "Randomize.hh"  
#include "G4Event.hh"
#include "G4GeneralParticleSource.hh"
#include "G4RunManager.hh"
#include "G4SystemOfUnits.hh"

#ifdef ANALYSIS_USE
#include "BrachyAnalysisManager.hh"
#endif

BrachyPrimaryGeneratorAction::BrachyPrimaryGeneratorAction()
{
// Use the GPS to generate primary particles,
// Particle type, energy position, direction are specified in the 
// the macro file primary.mac 
 gun = new G4GeneralParticleSource();
}

BrachyPrimaryGeneratorAction::~BrachyPrimaryGeneratorAction()
{
delete gun;
}

void BrachyPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{
  gun -> GeneratePrimaryVertex(anEvent);

#ifdef ANALYSIS_USE
 if (gun -> GetParticleDefinition()-> GetParticleName()== "gamma")
 { 
 BrachyAnalysisManager* analysis = BrachyAnalysisManager::GetInstance();
 G4double energy = gun -> GetParticleEnergy();
 analysis -> FillPrimaryParticleHistogram(energy/keV);
}
#endif 
}