ML2SDWithParticle.cc

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//
// The code was written by :
//  ^Claudio Andenna  claudio.andenna@ispesl.it, claudio.andenna@iss.infn.it
//      *Barbara Caccia barbara.caccia@iss.it
//      with the support of Pablo Cirrone (LNS, INFN Catania Italy)
//  with the contribute of Alessandro Occhigrossi*
//
// ^INAIL DIPIA - ex ISPESL and INFN Roma, gruppo collegato Sanità, Italy
// *Istituto Superiore di Sanità and INFN Roma, gruppo collegato Sanità, Italy
//  Viale Regina Elena 299, 00161 Roma (Italy)
//  tel (39) 06 49902246
//  fax (39) 06 49387075
//
// more information:
// http://g4advancedexamples.lngs.infn.it/Examples/medical-linac
//
//*******************************************************//

#include "ML2SDWithParticle.hh"
#include "ML2ExpVoxels.hh"
#include "ML2AcceleratorConstruction.hh"
#include "G4SystemOfUnits.hh"

CML2SDWithParticle::CML2SDWithParticle()
: G4VSensitiveDetector("killer_plane"),particles(0)
{
  idType=idSD_KillerPlane;
  bStopAtPhaseSpace=true;
  nTotalParticles=0;
  bActive=true;
}

CML2SDWithParticle::CML2SDWithParticle(G4int id, G4int maxPartFile,
                                       G4int seed, G4int nMaxPart, G4String name,
                                       G4String PhaseSpaceOutFile, G4bool bSave, G4bool bStop,
                                       SPrimaryParticle *pData, G4double  ZPos)
: G4VSensitiveDetector(name),particles(0)
{
  accTargetZPosition=ZPos;
  max_N_particles_in_PhSp_File=maxPartFile;
  nMaxParticlesInRamPhaseSpace = nMaxPart;
  idType=id;
  primaryParticleData=pData;
  bActive=true;
  nParticle=0;
  nTotalParticles=0;
  bSavePhaseSpace=bSave;
  bStopAtPhaseSpace=bStop;
  if (bSavePhaseSpace)
  {particles=new Sparticle[nMaxPart];}
  G4String seedName;
  char a[10];
  sprintf(a,"%d", seed);
  seedName=(G4String)a;

  fullOutFileData=PhaseSpaceOutFile+"_"+seedName+".txt";
  fullOutFileData=PhaseSpaceOutFile+"_"+seedName+".txt";
}
CML2SDWithParticle::~CML2SDWithParticle()
{
        if (particles!=0)
  {
    delete [] particles;
  }
}
void CML2SDWithParticle::saveHeaderParticles()
{
  std::ofstream out;
  out.open(fullOutFileData, std::ios::out);
  out << "Sensitive Detector-Particles"<<G4endl;
  out << "n Total Events,\t x [mm],\t y [mm],\t z [mm],\t dirX,\t dirY,\t dirZ,\t KinEnergy [MeV],\t part Type,\t primary part type,\t nPrimaryPart" << G4endl;
  out.close();
}
void CML2SDWithParticle::saveDataParticles(G4int nPart)
{
  std::ofstream out;
  out.open(fullOutFileData, std::ios::app);
  static G4int nTotParticles=0;
  for (int i=0; i< nPart; i++)
  {
    out << nTotParticles++ << '\t';
//    out << particles[i].volumeName << '\t';
    out << particles[i].pos.getX()/mm  << '\t';
    out << particles[i].pos.getY()/mm  << '\t';
    out << (accTargetZPosition + particles[i].pos.getZ())/mm  << '\t'; // it translates the current z value in global coordinates to the accelerator local coordinates (only z)
    out << particles[i].dir.getX() << '\t';
    out << particles[i].dir.getY() << '\t';
    out << particles[i].dir.getZ() << '\t';
    out << particles[i].kinEnergy/MeV << '\t';
    out << particles[i].partPDGE<< '\t';
    out << particles[i].primaryParticlePDGE<< '\t';
    out << particles[i].nPrimaryPart<< G4endl;
  }
  out.close();
}

G4bool CML2SDWithParticle::ProcessHits(G4Step *aStep, G4TouchableHistory *)
{
  if (bActive &&  (CML2AcceleratorConstruction::GetInstance()->getPhysicalVolume()->GetRotation()->isIdentity()))
  {
    G4double energyKin= aStep->GetTrack()->GetKineticEnergy();
    static bool bFirstTime=true;
    if (idType==idSD_KillerPlane)
    {
      nTotalParticles++;
      aStep->GetTrack()->SetTrackStatus(fStopAndKill);
    }
    else
    {
      if (energyKin>0.)
      {
        particles[nParticle].volumeName="";
        particles[nParticle].pos=aStep->GetPreStepPoint()->GetPosition();
        particles[nParticle].dir=aStep->GetPreStepPoint()->GetMomentumDirection();
        particles[nParticle].kinEnergy=energyKin;
        particles[nParticle].partPDGE=aStep->GetTrack()->GetDefinition()->GetPDGEncoding();
        particles[nParticle].primaryParticlePDGE=primaryParticleData->partPDGE;
        particles[nParticle].nPrimaryPart=primaryParticleData->nPrimaryParticle;
        nParticle++;
        nTotalParticles++;
        if (nTotalParticles==max_N_particles_in_PhSp_File)
        {
          if (bFirstTime)
          {
            bFirstTime=false;
            saveHeaderParticles();
          }
          saveDataParticles(nParticle);
          nParticle=0;
          bActive =false;// to stop the phase space creation
        }
        if (nParticle==nMaxParticlesInRamPhaseSpace)
        {
          if (bFirstTime)
          {
            bFirstTime=false;
            saveHeaderParticles();
          }
          saveDataParticles(nParticle);
          nParticle=0;
        }

        Sparticle *particle=new Sparticle;
        particle->dir=aStep->GetPreStepPoint()->GetMomentumDirection();
        particle->pos=aStep->GetPreStepPoint()->GetPosition();
        particle->kinEnergy=energyKin; 
        particle->nPrimaryPart=nTotalParticles; // to pass the id of this phase space particle 
        particle->partPDGE=aStep->GetTrack()->GetDefinition()->GetPDGEncoding();
        particle->primaryParticlePDGE=primaryParticleData->partPDGE;
        particle->volumeId=-1;
        particle->volumeName="-1";
      }
      if (bStopAtPhaseSpace)
      {aStep->GetTrack()->SetTrackStatus(fStopAndKill);}
    }
  }
  else
  {
    if (bStopAtPhaseSpace)
    {aStep->GetTrack()->SetTrackStatus(fStopAndKill);}
  }

  return true;
}

void CML2SDWithParticle::save()
{
  if ((bActive) && (nParticle>0) && (CML2AcceleratorConstruction::GetInstance()->getPhysicalVolume()->GetRotation()->isIdentity()))
  {saveDataParticles(nParticle);nParticle=0;}
}