SteppingAction.cc

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//
// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software 
// shall cite the following Geant4-DNA collaboration publication:
// Med. Phys. 37 (2010) 4692-4708
// The Geant4-DNA web site is available at http://geant4-dna.org
//

#include "Analysis.hh"

#include "SteppingAction.hh"
#include "RunAction.hh"
#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"

#include "G4SystemOfUnits.hh"
#include "G4SteppingManager.hh"

#include "G4Electron.hh"
#include "G4Proton.hh"
#include "G4Gamma.hh"
#include "G4Alpha.hh"
#include "G4DNAGenericIonsManager.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

SteppingAction::SteppingAction()
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

SteppingAction::~SteppingAction()
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

void SteppingAction::UserSteppingAction(const G4Step* step)
{ 
 G4double flagParticle=-1.;
 G4double flagProcess=-1.;
 G4double x,y,z,xp,yp,zp;
 
 // Process sub-types are listed in G4PhysicsListHelper.cc
 
/*
 // The following method avoids the usage of string comparison 

 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == G4Electron::ElectronDefinition())       
    flagParticle = 1; 
 
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == G4Proton::ProtonDefinition())       
    flagParticle = 2; 
 
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == G4Alpha::AlphaDefinition())       
    flagParticle = 4; 

    G4DNAGenericIonsManager *instance;
    instance = G4DNAGenericIonsManager::Instance();
    G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition();
    G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen");
    G4ParticleDefinition* alphaPlusPlusDef = instance->GetIon("alpha++");
    G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+");
    G4ParticleDefinition* heliumDef = instance->GetIon("helium");
 
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == instance->GetIon("hydrogen"))       
    flagParticle = 3; 

 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == instance->GetIon("alpha+"))       
    flagParticle = 5; 

 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() == instance->GetIon("helium"))       
    flagParticle = 6; 
*/
 
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "e-")       flagParticle = 1;    
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "proton")   flagParticle = 2;
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "hydrogen") flagParticle = 3;
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "alpha")    flagParticle = 4;
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "alpha+")   flagParticle = 5;
 if (step->GetTrack()->GetDynamicParticle()->GetDefinition() ->GetParticleName() == "helium")   flagParticle = 6;

 
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="e-_G4DNAElastic")        flagProcess =11;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="e-_G4DNAExcitation")     flagProcess =12;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="e-_G4DNAIonisation")     flagProcess =13;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="e-_G4DNAAttachment")     flagProcess =14;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="e-_G4DNAVibExcitation")  flagProcess =15;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="proton_G4DNAExcitation") flagProcess =17;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="proton_G4DNAIonisation") flagProcess =18;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="proton_G4DNAChargeDecrease") flagProcess =19;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="hydrogen_G4DNAExcitation")       flagProcess =20;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="hydrogen_G4DNAIonisation")       flagProcess =21;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="hydrogen_G4DNAChargeIncrease")   flagProcess =22;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha_G4DNAExcitation")      flagProcess =23;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha_G4DNAIonisation")      flagProcess =24;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha_G4DNAChargeDecrease")      flagProcess =25;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha+_G4DNAExcitation") flagProcess =26;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha+_G4DNAIonisation") flagProcess =27;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha+_G4DNAChargeDecrease") flagProcess =28;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="alpha+_G4DNAChargeIncrease") flagProcess =29;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="helium_G4DNAExcitation") flagProcess =30;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="helium_G4DNAIonisation") flagProcess =31;
 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()=="helium_G4DNAChargeIncrease") flagProcess =32;

 if (step->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName()!="Transportation")
 {  
   x=step->GetPreStepPoint()->GetPosition().x()/nanometer;
   y=step->GetPreStepPoint()->GetPosition().y()/nanometer;
   z=step->GetPreStepPoint()->GetPosition().z()/nanometer;
   xp=step->GetPostStepPoint()->GetPosition().x()/nanometer;
   yp=step->GetPostStepPoint()->GetPosition().y()/nanometer;
   zp=step->GetPostStepPoint()->GetPosition().z()/nanometer;
   
   // get analysis manager
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  // fill ntuple
  analysisManager->FillNtupleDColumn(0, flagParticle);
  analysisManager->FillNtupleDColumn(1, flagProcess);
  analysisManager->FillNtupleDColumn(2, x);
  analysisManager->FillNtupleDColumn(3, y);
  analysisManager->FillNtupleDColumn(4, z);
  analysisManager->FillNtupleDColumn(5, step->GetTotalEnergyDeposit()/eV);
  analysisManager->FillNtupleDColumn(6, std::sqrt((x-xp)*(x-xp)+(y-yp)*(y-yp)+(z-zp)*(z-zp))/nm);
  analysisManager->FillNtupleDColumn(7, (step->GetPreStepPoint()->GetKineticEnergy() - step->GetPostStepPoint()->GetKineticEnergy())/eV );
  analysisManager->AddNtupleRow();  
 }
}