HadrontherapySteppingAction.cc

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//
// This is the *BASIC* version of Hadrontherapy, a Geant4-based application
// See more at: http://g4advancedexamples.lngs.infn.it/Examples/hadrontherapy
//
// Visit the Hadrontherapy web site (http://www.lns.infn.it/link/Hadrontherapy) to request 
// the *COMPLETE* version of this program, together with its documentation;
// Hadrontherapy (both basic and full version) are supported by the Italian INFN
// Institute in the framework of the MC-INFN Group
//

#include <CLHEP/Units/SystemOfUnits.h>

#include "G4SteppingManager.hh"
#include "G4TrackVector.hh"
#include "HadrontherapySteppingAction.hh"
#include "G4ios.hh"
#include "G4SteppingManager.hh"
#include "G4Track.hh"
#include "G4Step.hh"
#include "G4StepPoint.hh"
#include "G4TrackStatus.hh"
#include "G4TrackVector.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
#include "G4UserEventAction.hh"

#include "HadrontherapyAnalysisManager.hh"

#include "HadrontherapyRunAction.hh"

HadrontherapySteppingAction::HadrontherapySteppingAction( HadrontherapyRunAction *run)
{
    runAction = run;
}

HadrontherapySteppingAction::~HadrontherapySteppingAction()
{
}

void HadrontherapySteppingAction::UserSteppingAction(const G4Step* aStep)
{ 
    /*
    // USEFULL METHODS TO RETRIEVE INFORMATION DURING THE STEPS
    if( (aStep->GetTrack()->GetVolume()->GetName() == "DetectorPhys") 
    && aStep->GetTrack()->GetDefinition()->GetParticleName() == "proton")
    //G4int evtNb = G4RunManager::GetRunManager()->GetCurrentEvent() -> GetEventID();
    {
    G4cout << "ENERGIA:   " << aStep->GetTrack()->GetKineticEnergy() 
    << "   VOLUME  " << aStep->GetTrack()->GetVolume()->GetName()
    << "   MATERIALE    " <<  aStep -> GetTrack() -> GetMaterial() -> GetName()
    << "   EVENTO     " << G4RunManager::GetRunManager()->GetCurrentEvent() -> GetEventID()
    << "   POS     " << aStep->GetTrack()->GetPosition().x()
    << G4endl;
    }
    */

    if( aStep->GetTrack()->GetVolume()->GetName() == "NewDetectorPhys"){
#ifdef G4ANALYSIS_USE_ROOT
    G4ParticleDefinition *def = aStep->GetTrack()->GetDefinition();
    G4double secondaryParticleKineticEnergy =  aStep->GetTrack()->GetKineticEnergy();     
    G4String particleType = def->GetParticleType(); // particle type = nucleus for d, t, He3, alpha, and heavier nuclei
    G4String particleName = def->GetParticleName(); // e.g. for alpha: the name = "alpha" and type = "nucleus"
    if(particleType == "nucleus") {
        G4int A = def->GetBaryonNumber();
        G4double Z = def->GetPDGCharge();
        G4double posX = aStep->GetTrack()->GetPosition().x() / CLHEP::cm;
        G4double posY = aStep->GetTrack()->GetPosition().y() / CLHEP::cm;
        G4double posZ = aStep->GetTrack()->GetPosition().z() / CLHEP::cm;
        G4double energy = secondaryParticleKineticEnergy / A / CLHEP::MeV;

        HadrontherapyAnalysisManager* analysisMgr =  HadrontherapyAnalysisManager::GetInstance();   
        analysisMgr->FillFragmentTuple(A, Z, energy, posX, posY, posZ);
    } else if(particleName == "proton") {   // proton (hydrogen-1) is a special case
        G4double posX = aStep->GetTrack()->GetPosition().x() / CLHEP::cm ;
        G4double posY = aStep->GetTrack()->GetPosition().y() / CLHEP::cm ;
        G4double posZ = aStep->GetTrack()->GetPosition().z() / CLHEP::cm ;
        G4double energy = secondaryParticleKineticEnergy * CLHEP::MeV;    // Hydrogen-1: A = 1, Z = 1
        HadrontherapyAnalysisManager::GetInstance()->FillFragmentTuple(1, 1.0, energy, posX, posY, posZ);
    }

    G4String secondaryParticleName =  def -> GetParticleName();  
    //G4cout <<"Particle: " << secondaryParticleName << G4endl;
    //G4cout <<"Energy: " << secondaryParticleKineticEnergy << G4endl;
    HadrontherapyAnalysisManager* analysis =  HadrontherapyAnalysisManager::GetInstance();   
    //There is a bunch of stuff recorded with the energy 0, something should perhaps be done about this.
    if(secondaryParticleName == "proton") {
        analysis->hydrogenEnergy(secondaryParticleKineticEnergy / CLHEP::MeV);
    }
    if(secondaryParticleName == "deuteron") {
        analysis->hydrogenEnergy((secondaryParticleKineticEnergy/2) / CLHEP::MeV);
    }
    if(secondaryParticleName == "triton") {
        analysis->hydrogenEnergy((secondaryParticleKineticEnergy/3) / CLHEP::MeV);
    }
    if(secondaryParticleName == "alpha") {
        analysis->heliumEnergy((secondaryParticleKineticEnergy/4) / CLHEP::MeV);
    }
    if(secondaryParticleName == "He3"){
        analysis->heliumEnergy((secondaryParticleKineticEnergy/3) / CLHEP::MeV);        
    }
#endif

    aStep->GetTrack()->SetTrackStatus(fKillTrackAndSecondaries);
    }

    // Electromagnetic and hadronic processes of primary particles in the phantom
    //setting phantomPhys correctly will break something here fixme
    if ((aStep -> GetTrack() -> GetTrackID() == 1) &&
        (aStep -> GetTrack() -> GetVolume() -> GetName() == "PhantomPhys") &&
        (aStep -> GetPostStepPoint() -> GetProcessDefinedStep() != NULL))
    {
    G4String process = aStep -> GetPostStepPoint() -> 
        GetProcessDefinedStep() -> GetProcessName();

    if ((process == "Transportation") || (process == "StepLimiter")) {;}
    else 
    {
        if ((process == "msc") || (process == "hLowEIoni") || (process == "hIoni")) 
        { 
        runAction -> AddEMProcess();
        } 
        else  
        {
        runAction -> AddHadronicProcess();

        if ( (process != "LElastic") && (process != "ProtonInelastic") && (process != "hElastic") )
            G4cout << "Warning! Unknown proton process: "<< process << G4endl;
        }
    }         
    }

    // Retrieve information about the secondary particles originated in the phantom

    G4SteppingManager*  steppingManager = fpSteppingManager;

    // check if it is alive
    //if(theTrack-> GetTrackStatus() == fAlive) { return; }

    // Retrieve the secondary particles
    G4TrackVector* fSecondary = steppingManager -> GetfSecondary();

    for(size_t lp1=0;lp1<(*fSecondary).size(); lp1++)
    { 
    G4String volumeName = (*fSecondary)[lp1] -> GetVolume() -> GetName(); 

    if (volumeName == "phantomPhys")
    {
#ifdef G4ANALYSIS_USE_ROOT   
        G4String secondaryParticleName =  (*fSecondary)[lp1]->GetDefinition() -> GetParticleName();  
        G4double secondaryParticleKineticEnergy =  (*fSecondary)[lp1] -> GetKineticEnergy();     

        HadrontherapyAnalysisManager* analysis =  HadrontherapyAnalysisManager::GetInstance();   

        if (secondaryParticleName == "e-")
        analysis -> electronEnergyDistribution(secondaryParticleKineticEnergy/CLHEP::MeV);

        if (secondaryParticleName == "gamma")
        analysis -> gammaEnergyDistribution(secondaryParticleKineticEnergy/CLHEP::MeV);

        if (secondaryParticleName == "deuteron")
        analysis -> deuteronEnergyDistribution(secondaryParticleKineticEnergy/CLHEP::MeV);

        if (secondaryParticleName == "triton")
        analysis -> tritonEnergyDistribution(secondaryParticleKineticEnergy/CLHEP::MeV);

        if (secondaryParticleName == "alpha")
        analysis -> alphaEnergyDistribution(secondaryParticleKineticEnergy/CLHEP::MeV);

        G4double z = (*fSecondary)[lp1]-> GetDynamicParticle() -> GetDefinition() -> GetPDGCharge();
        if (z > 0.)
        {      
        G4int a = (*fSecondary)[lp1]-> GetDynamicParticle() -> GetDefinition() -> GetBaryonNumber();
        G4int electronOccupancy = (*fSecondary)[lp1] ->  GetDynamicParticle() -> GetTotalOccupancy(); 

        // If a generic ion is originated in the detector, its baryonic number, PDG charge, 
        // total number of electrons in the orbitals are stored in a ntuple 
        analysis -> genericIonInformation(a, z, electronOccupancy, secondaryParticleKineticEnergy/CLHEP::MeV);
        }
#endif
    }
    }
}