HadrontherapyPrimaryGeneratorAction.cc

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// Hadrontherapy advanced example for Geant4
// See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy

#include "HadrontherapyPrimaryGeneratorAction.hh"
#include "HadrontherapyPrimaryGeneratorMessenger.hh"

#include "HadrontherapyMatrix.hh"
#include "HadrontherapyDetectorSD.hh"
#include "G4SystemOfUnits.hh"
#include "G4Event.hh"
#include "G4ParticleGun.hh"
#include "G4GeneralParticleSource.hh"
#include "G4ParticleTable.hh"
#include "G4ParticleDefinition.hh"
#include "Randomize.hh"
#include "G4IonTable.hh"


#include "G4VUserPrimaryGeneratorAction.hh"
#include "G4ParticleTable.hh"

#include "G4Event.hh"
#include "G4Timer.hh"

#include "G4RunManager.hh"



HadrontherapyPrimaryGeneratorAction::HadrontherapyPrimaryGeneratorAction()
{
    PrimaryGeneratorMessenger = new HadrontherapyPrimaryGeneratorMessenger(this);
    SetDefaultPrimaryParticle();
    particleGun = new G4GeneralParticleSource();
    
}

HadrontherapyPrimaryGeneratorAction::~HadrontherapyPrimaryGeneratorAction()
{
    delete PrimaryGeneratorMessenger;
    delete  particleGun;
}

void HadrontherapyPrimaryGeneratorAction::SetDefaultPrimaryParticle()
{
    
}

void HadrontherapyPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{

    if(NewSource==true)
    {
        std::ifstream in(calculatedPhaseSpaceFileIN);
        G4double e, xpos, ypos, zpos,dirx,diry,dirz;
        G4int PDG;
        G4ThreeVector pos,dir;
        
        if(in.eof())
        {
            G4Exception("HadrontherapyPrimaryGeneratorAction", "NoParticles", FatalException, "No more particles in the file");
        }
        
        while(!in.eof())
        {
            
            in >> e >> xpos >> ypos >>zpos >>dirx>>diry>>dirz >> PDG;
            dir= G4ThreeVector(dirx,diry,dirz);
            particleGun->GetCurrentSource()->GetEneDist()->SetMonoEnergy(e);
            
            particleGun->GetCurrentSource()->GetParticlePosition().setX(xpos);
            particleGun->GetCurrentSource()->GetParticlePosition().setY(ypos);
            particleGun->GetCurrentSource()->GetParticlePosition().setZ(zpos);
            particleGun->GetCurrentSource()->GetAngDist()->SetParticleMomentumDirection(dir);
            
            G4ParticleDefinition* particleDef = nullptr;
            if (PDG > 1000000000)
            {
                int a=(PDG-1000000000)-(((PDG-1000000000)/10)*10);
                if(a>0)
                {
                    PDG=PDG-a;
                    particleDef = G4IonTable::GetIonTable()->GetIon(PDG);
                    G4String Nome = particleDef->GetParticleName();
                }
                
                else
                {
                    particleDef = G4IonTable::GetIonTable()->GetIon(PDG);
                    G4String Nome = particleDef->GetParticleName();
                }
            }
            
            else
            {
                particleDef = G4ParticleTable::GetParticleTable()->FindParticle(PDG);
            }
            
            particleGun->GetCurrentSource()->SetParticleDefinition(particleDef);
            particleGun->GeneratePrimaryVertex(anEvent);
            
        }
        
        in.close();
        
    }
    else
    {
        particleGun->GeneratePrimaryVertex(anEvent);
    }
    
}