[u/mrichter/AliRoot.git] / PWG2 / FEMTOSCOPY / AliFemtoUser / AliFemtoQATrackCut.cxx

/***************************************************************************
 *
 * $Id: AliFemtoQATrackCut.cxx 24360 2008-03-10 09:48:27Z akisiel $ 
 *
 * 
 ***************************************************************************
 *
 * 
 *              
 *
 ***************************************************************************
 *
 * $Log$
 * Revision 1.3  2007/05/22 09:01:42  akisiel
 * Add the possibiloity to save cut settings in the ROOT file
 *
 * Revision 1.2  2007/05/21 10:38:25  akisiel
 * More coding rule conformance
 *
 * Revision 1.1  2007/05/16 10:25:06  akisiel
 * Making the directory structure of AliFemtoUser flat. All files go into one common directory
 *
 * Revision 1.4  2007/05/03 09:46:10  akisiel
 * Fixing Effective C++ warnings
 *
 * Revision 1.3  2007/04/27 07:25:59  akisiel
 * Make revisions needed for compilation from the main AliRoot tree
 *
 * Revision 1.1.1.1  2007/04/25 15:38:41  panos
 * Importing the HBT code dir
 *
 * Revision 1.4  2007-04-03 16:00:08  mchojnacki
 * Changes to iprove memory managing
 *
 * Revision 1.3  2007/03/13 15:30:03  mchojnacki
 * adding reader for simulated data
 *
 * Revision 1.2  2007/03/08 14:58:03  mchojnacki
 * adding some alice stuff
 *
 * Revision 1.1.1.1  2007/03/07 10:14:49  mchojnacki
 * First version on CVS
 *
 **************************************************************************/

#include "AliFemtoQATrackCut.h"
#include <cstdio>

#ifdef __ROOT__ 
ClassImp(AliFemtoQATrackCut)
#endif


// electron
// 0.13 - 1.8
// 0       7.594129e-02    8.256141e-03
// 1       -5.535827e-01   8.170825e-02
// 2       1.728591e+00    3.104210e-01
// 3       -2.827893e+00   5.827802e-01
// 4       2.503553e+00    5.736207e-01
// 5       -1.125965e+00   2.821170e-01
// 6       2.009036e-01    5.438876e-02

// pion
// 0.13 - 2.0
// 0       1.063457e+00    8.872043e-03
// 1       -4.222208e-01   2.534402e-02
// 2       1.042004e-01    1.503945e-02

// kaon
// 0.18 - 2.0
// 0       -7.289406e-02   1.686074e-03
// 1       4.415666e-01    1.143939e-02
// 2       -2.996790e-01   1.840964e-02
// 3       6.704652e-02    7.783990e-03

// proton
// 0.26 - 2.0
// 0       -3.730200e-02   2.347311e-03
// 1       1.163684e-01    1.319316e-02
// 2       8.354116e-02    1.997948e-02
// 3       -4.608098e-02   8.336400e-03


AliFemtoQATrackCut::AliFemtoQATrackCut() :
    fCharge(0),
    fLabel(0),
    fStatus(0),
    fminTPCclsF(0),
    fminTPCncls(0),
    fminITScls(0),
    fminTPCchiNdof(0),
    fMaxTPCncls(1000),
    fMaxITSchiNdof(1000.0),
    fMaxTPCchiNdof(1000.0),
    fMaxSigmaToVertex(1000.0),
    fNTracksPassed(0),
    fNTracksFailed(0),
    fRemoveKinks(kFALSE),
    fMostProbable(0),
    fTPCnclsExclusionSwitch(kFALSE),
    fTPCchiNdofExclusionSwitch(kFALSE)
{
  // Default constructor
  fNTracksPassed = fNTracksFailed = 0;
  fCharge = 0;  // takes both charges 0
  fPt[0]=0.0;              fPt[1] = 100.0;//100
  fRapidity[0]=-2;       fRapidity[1]=2;//-2 2
  fPidProbElectron[0]=-1;fPidProbElectron[1]=2;
  fPidProbPion[0]=-1;    fPidProbPion[1]=2;
  fPidProbKaon[0]=-1;fPidProbKaon[1]=2;
  fPidProbProton[0]=-1;fPidProbProton[1]=2;
  fPidProbMuon[0]=-1;fPidProbMuon[1]=2;
  fLabel=false;
  fStatus=0;
  fminTPCclsF=0;
  fminITScls=0;
  fTPCnclsExclusionSwitch = false;
  fTPCnclsExclusion[0] = 0;
  fTPCnclsExclusion[1] = 1000;
  fTPCchiNdofExclusionSwitch = false;
  fTPCchiNdofExclusion[0] = 0.0;
  fTPCchiNdofExclusion[1] = 1000.0;
}
//------------------------------
AliFemtoQATrackCut::~AliFemtoQATrackCut(){
  /* noop */
}
//------------------------------
bool AliFemtoQATrackCut::Pass(const AliFemtoTrack* track)
{
  // test the particle and return 
  // true if it meets all the criteria
  // false if it doesn't meet at least one of the criteria
  float tMost[5];
  
  //cout<<"AliFemtoESD  cut"<<endl;
  //cout<<fPidProbPion[0]<<" < pi ="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
  if (fStatus!=0)
    {
      //cout<<" status "<<track->Label()<<" "<<track->Flags()<<" "<<track->TPCnclsF()<<" "<<track->ITSncls()<<endl;
      if ((track->Flags()&fStatus)!=fStatus)
	{
	  //	  cout<<track->Flags()<<" "<<fStatus<<" no go through status"<<endl;
	  return false;
	}
	
    }
  if (fRemoveKinks) {
    if ((track->KinkIndex(0)) || (track->KinkIndex(1)) || (track->KinkIndex(2)))
      return false;
  }
  if (fminTPCclsF>track->TPCnclsF())
    {
      //cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
      return false;
    }

  // TPC number of clusters:
  if (fTPCnclsExclusionSwitch) {
    bool outTPCnclsExclusionZone[2];
      outTPCnclsExclusionZone[0] = false;
      outTPCnclsExclusionZone[1] = false;
    if ( (fminTPCncls > track->TPCncls()) || (fTPCnclsExclusion[0] < track->TPCncls()) ) {
      //cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
      outTPCnclsExclusionZone[0] = true;
    }
    if ( (fMaxTPCncls < track->TPCncls()) || (fTPCnclsExclusion[1] > track->TPCncls()) ) {
      //cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
      outTPCnclsExclusionZone[1] = true;
    } 
    if ( outTPCnclsExclusionZone[0] * outTPCnclsExclusionZone[1] ) { return false; }
  } 
  else {
    if (fminTPCncls > track->TPCncls()) {
      //cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
      return false;
    }
    if (fMaxTPCncls < track->TPCncls()) {
      //cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
      return false;
    }
  }

  if (fminITScls>track->ITSncls())
    {
      //cout<<" No go because ITS Number of Cls"<<fminITScls<< " "<<track->ITSncls()<<endl;
      return false;
    }
	
  if (fMaxSigmaToVertex < track->SigmaToVertex()) {
    return false;
  }
  
  if (track->ITSncls() > 0) 
    if ((track->ITSchi2()/track->ITSncls()) > fMaxITSchiNdof) {
      return false;
    }

  // TPC chiNdof of tracks:
  if (fTPCchiNdofExclusionSwitch && (track->TPCncls() > 0)) {
    bool outTPCchiNdofExclusionZone[2];
      outTPCchiNdofExclusionZone[0] = false;
      outTPCchiNdofExclusionZone[1] = false;
    if ( (fminTPCchiNdof > (track->TPCchi2()/track->TPCncls())) || (fTPCchiNdofExclusion[0] < (track->TPCchi2()/track->TPCncls())) ) {
      //cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
      outTPCchiNdofExclusionZone[0] = true;
    }
    if ( (fMaxTPCchiNdof < (track->TPCchi2()/track->TPCncls())) || (fTPCchiNdofExclusion[1] > (track->TPCchi2()/track->TPCncls())) ) {
      //cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
      outTPCchiNdofExclusionZone[1] = true;
    } 
    if ( outTPCchiNdofExclusionZone[0] * outTPCchiNdofExclusionZone[1] ) { return false; }
  } 
  else {
    if (fminTPCchiNdof > (track->TPCchi2()/track->TPCncls())) {
      //cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
      return false;
    }
    if (fMaxTPCchiNdof < (track->TPCchi2()/track->TPCncls())) {
      //cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
      return false;
    }
  }

  if (fLabel)
    {
      //cout<<"labels"<<endl;
      if(track->Label()<0)
	{
	  fNTracksFailed++;
	  //   cout<<"No Go Through the cut"<<endl;
	  //  cout<<fLabel<<" Label="<<track->Label()<<endl;
	  return false;
	}    
    }
  if (fCharge!=0)
    {              
      //cout<<"AliFemtoESD  cut ch "<<endl;
      //cout<<fCharge<<" Charge="<<track->Charge()<<endl;
      if (track->Charge()!= fCharge)	
	{
	  fNTracksFailed++;
	  //  cout<<"No Go Through the cut"<<endl;
	  // cout<<fCharge<<" Charge="<<track->Charge()<<endl;
	  return false;
	}
    }
  float tEnergy = ::sqrt(track->P().mag2()+fMass*fMass);
  float tRapidity = 0.5*::log((tEnergy+track->P().z())/(tEnergy-track->P().z()));
  float tPt = ::sqrt((track->P().x())*(track->P().x())+(track->P().y())*(track->P().y()));
  if ((tRapidity<fRapidity[0])||(tRapidity>fRapidity[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;   
      //cout<<fRapidity[0]<<" < Rapidity ="<<tRapidity<<" <"<<fRapidity[1]<<endl;
      return false;
    }
  if ((tPt<fPt[0])||(tPt>fPt[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPt[0]<<" < Pt ="<<Pt<<" <"<<fPt[1]<<endl;
      return false;
    }
//   cout << "Track has pids: " 
//        << track->PidProbElectron() << " " 
//        << track->PidProbMuon() << " " 
//        << track->PidProbPion() << " " 
//        << track->PidProbKaon() << " " 
//        << track->PidProbProton() << " " 
//        << track->PidProbElectron()+track->PidProbMuon()+track->PidProbPion()+track->PidProbKaon()+track->PidProbProton() << endl;

    
  if ((track->PidProbElectron()<fPidProbElectron[0])||(track->PidProbElectron()>fPidProbElectron[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPidProbElectron[0]<<" < e ="<<track->PidProbElectron()<<" <"<<fPidProbElectron[1]<<endl;
      return false;
    }
  if ((track->PidProbPion()<fPidProbPion[0])||(track->PidProbPion()>fPidProbPion[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPidProbPion[0]<<" < pi ="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
      return false;
    }
  if ((track->PidProbKaon()<fPidProbKaon[0])||(track->PidProbKaon()>fPidProbKaon[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPidProbKaon[0]<<" < k ="<<track->PidProbKaon()<<" <"<<fPidProbKaon[1]<<endl;
      return false;
    }
  if ((track->PidProbProton()<fPidProbProton[0])||(track->PidProbProton()>fPidProbProton[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPidProbProton[0]<<" < p  ="<<track->PidProbProton()<<" <"<<fPidProbProton[1]<<endl;
      return false;
    }
  if ((track->PidProbMuon()<fPidProbMuon[0])||(track->PidProbMuon()>fPidProbMuon[1]))
    {
      fNTracksFailed++;
      //cout<<"No Go Through the cut"<<endl;
      //cout<<fPidProbMuon[0]<<" <  mi="<<track->PidProbMuon()<<" <"<<fPidProbMuon[1]<<endl;
      return false;
    }

  if (fMostProbable) {
    tMost[0] = track->PidProbElectron()*PidFractionElectron(track->P().mag());
    tMost[1] = 0.0;
    tMost[2] = track->PidProbPion()*PidFractionPion(track->P().mag());
    tMost[3] = track->PidProbKaon()*PidFractionKaon(track->P().mag());
    tMost[4] = track->PidProbProton()*PidFractionProton(track->P().mag());
    int imost=0;
    float ipidmax = 0.0;
    for (int ip=0; ip<5; ip++)
      if (tMost[ip] > ipidmax) { ipidmax = tMost[ip]; imost = ip; };
    if (imost != fMostProbable) return false;
  }
  
  // cout<<"Go Through the cut"<<endl;
  // cout<<fLabel<<" Label="<<track->Label()<<endl;
  // cout<<fCharge<<" Charge="<<track->Charge()<<endl;
  // cout<<fPt[0]<<" < Pt ="<<Pt<<" <"<<fPt[1]<<endl;
  //cout<<fRapidity[0]<<" < Rapidity ="<<tRapidity<<" <"<<fRapidity[1]<<endl;
  //cout<<fPidProbElectron[0]<<" <  e="<<track->PidProbElectron()<<" <"<<fPidProbElectron[1]<<endl;
  //cout<<fPidProbPion[0]<<" <  pi="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
  //cout<<fPidProbKaon[0]<<" <  k="<<track->PidProbKaon()<<" <"<<fPidProbKaon[1]<<endl;
  //cout<<fPidProbProton[0]<<" <  p="<<track->PidProbProton()<<" <"<<fPidProbProton[1]<<endl;
  //cout<<fPidProbMuon[0]<<" <  mi="<<track->PidProbMuon()<<" <"<<fPidProbMuon[1]<<endl;
  fNTracksPassed++ ;
  return true;
    
    
}
//------------------------------
AliFemtoString AliFemtoQATrackCut::Report()
{
  // Prepare report from the execution
  string tStemp;
  char tCtemp[100];
  sprintf(tCtemp,"Particle mass:\t%E\n",this->Mass());
  tStemp=tCtemp;
  sprintf(tCtemp,"Particle charge:\t%d\n",fCharge);
  tStemp+=tCtemp;
  sprintf(tCtemp,"Particle pT:\t%E - %E\n",fPt[0],fPt[1]);
  tStemp+=tCtemp;
  sprintf(tCtemp,"Particle rapidity:\t%E - %E\n",fRapidity[0],fRapidity[1]);
  tStemp+=tCtemp;
  sprintf(tCtemp,"Number of tracks which passed:\t%ld  Number which failed:\t%ld\n",fNTracksPassed,fNTracksFailed);
  tStemp += tCtemp;
  AliFemtoString returnThis = tStemp;
  return returnThis;
}
TList *AliFemtoQATrackCut::ListSettings()
{
  // return a list of settings in a writable form
  TList *tListSetttings = new TList();
  char buf[200];
  snprintf(buf, 200, "AliFemtoQATrackCut.mass=%f", this->Mass());
  tListSetttings->AddLast(new TObjString(buf));

  snprintf(buf, 200, "AliFemtoQATrackCut.charge=%i", fCharge);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobpion.minimum=%f", fPidProbPion[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobpion.maximum=%f", fPidProbPion[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobkaon.minimum=%f", fPidProbKaon[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobkaon.maximum=%f", fPidProbKaon[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobproton.minimum=%f", fPidProbProton[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobproton.maximum=%f", fPidProbProton[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobelectron.minimum=%f", fPidProbElectron[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobelectron.maximum=%f", fPidProbElectron[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobMuon.minimum=%f", fPidProbMuon[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pidprobMuon.maximum=%f", fPidProbMuon[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.minimumtpcclusters=%i", fminTPCclsF);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.minimumitsclusters=%i", fminTPCclsF);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pt.minimum=%f", fPt[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.pt.maximum=%f", fPt[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.rapidity.minimum=%f", fRapidity[0]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.rapidity.maximum=%f", fRapidity[1]);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.removekinks=%i", fRemoveKinks);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.maxitschindof=%f", fMaxITSchiNdof);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.maxtpcchindof=%f", fMaxTPCchiNdof);
  tListSetttings->AddLast(new TObjString(buf));
  snprintf(buf, 200, "AliFemtoQATrackCut.maxsigmatovertex=%f", fMaxSigmaToVertex);
  tListSetttings->AddLast(new TObjString(buf));
  if (fMostProbable) {
    if (fMostProbable == 2)
      snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Pion");
    if (fMostProbable == 3)
      snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Kaon");
    if (fMostProbable == 4)
      snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Proton");
    tListSetttings->AddLast(new TObjString(buf));
  }
  return tListSetttings;
}
void AliFemtoQATrackCut::SetRemoveKinks(const bool& flag)
{
  fRemoveKinks = flag;
}
			    
			    // electron
// 0.13 - 1.8
// 0       7.594129e-02    8.256141e-03
// 1       -5.535827e-01   8.170825e-02
// 2       1.728591e+00    3.104210e-01
// 3       -2.827893e+00   5.827802e-01
// 4       2.503553e+00    5.736207e-01
// 5       -1.125965e+00   2.821170e-01
// 6       2.009036e-01    5.438876e-02
float AliFemtoQATrackCut::PidFractionElectron(float mom) const
{
  // Provide a parameterized fraction of electrons dependent on momentum
  if (mom<0.13) return 0.0;
  if (mom>1.8) return 0.0;
  return (7.594129e-02 
	  -5.535827e-01*mom	   
	  +1.728591e+00*mom*mom    
	  -2.827893e+00*mom*mom*mom 
	  +2.503553e+00*mom*mom*mom*mom	   
	  -1.125965e+00*mom*mom*mom*mom*mom      
	  +2.009036e-01*mom*mom*mom*mom*mom*mom);   
}

// pion
// 0.13 - 2.0
// 0       1.063457e+00    8.872043e-03
// 1       -4.222208e-01   2.534402e-02
// 2       1.042004e-01    1.503945e-02
float AliFemtoQATrackCut::PidFractionPion(float mom) const
{
  // Provide a parameterized fraction of pions dependent on momentum
  if (mom<0.13) return 0.0;
  if (mom>2.0) return 0.0;
  return ( 1.063457e+00
	   -4.222208e-01*mom
	   +1.042004e-01*mom*mom);
}

// kaon
// 0.18 - 2.0
// 0       -7.289406e-02   1.686074e-03
// 1       4.415666e-01    1.143939e-02
// 2       -2.996790e-01   1.840964e-02
// 3       6.704652e-02    7.783990e-03
float AliFemtoQATrackCut::PidFractionKaon(float mom) const
{
  // Provide a parameterized fraction of kaons dependent on momentum
  if (mom<0.18) return 0.0;
  if (mom>2.0) return 0.0;
  return (-7.289406e-02
	  +4.415666e-01*mom	   
	  -2.996790e-01*mom*mom    
	  +6.704652e-02*mom*mom*mom);
}

// proton
// 0.26 - 2.0
// 0       -3.730200e-02   2.347311e-03
// 1       1.163684e-01    1.319316e-02
// 2       8.354116e-02    1.997948e-02
// 3       -4.608098e-02   8.336400e-03
float AliFemtoQATrackCut::PidFractionProton(float mom) const
{
  // Provide a parameterized fraction of protons dependent on momentum
  if (mom<0.26) return  0.0;
  if (mom>2.0) return 0.0;
  return (-3.730200e-02  
	  +1.163684e-01*mom	      
	  +8.354116e-02*mom*mom       
	  -4.608098e-02*mom*mom*mom);  
}
Commit	Line	Data
f9210de7	1	/***************************************************************************
	2	*
	3	* $Id: AliFemtoQATrackCut.cxx 24360 2008-03-10 09:48:27Z akisiel $
	4	*
	5	*
	6	***************************************************************************
	7	*
	8	*
	9	*
	10	*
	11	***************************************************************************
	12	*
	13	* $Log$
	14	* Revision 1.3 2007/05/22 09:01:42 akisiel
	15	* Add the possibiloity to save cut settings in the ROOT file
	16	*
	17	* Revision 1.2 2007/05/21 10:38:25 akisiel
	18	* More coding rule conformance
	19	*
	20	* Revision 1.1 2007/05/16 10:25:06 akisiel
	21	* Making the directory structure of AliFemtoUser flat. All files go into one common directory
	22	*
	23	* Revision 1.4 2007/05/03 09:46:10 akisiel
	24	* Fixing Effective C++ warnings
	25	*
	26	* Revision 1.3 2007/04/27 07:25:59 akisiel
	27	* Make revisions needed for compilation from the main AliRoot tree
	28	*
	29	* Revision 1.1.1.1 2007/04/25 15:38:41 panos
	30	* Importing the HBT code dir
	31	*
	32	* Revision 1.4 2007-04-03 16:00:08 mchojnacki
	33	* Changes to iprove memory managing
	34	*
	35	* Revision 1.3 2007/03/13 15:30:03 mchojnacki
	36	* adding reader for simulated data
	37	*
	38	* Revision 1.2 2007/03/08 14:58:03 mchojnacki
	39	* adding some alice stuff
	40	*
	41	* Revision 1.1.1.1 2007/03/07 10:14:49 mchojnacki
	42	* First version on CVS
	43	*
	44	**************************************************************************/
	45
	46	#include "AliFemtoQATrackCut.h"
	47	#include <cstdio>
	48
	49	#ifdef __ROOT__
	50	ClassImp(AliFemtoQATrackCut)
	51	#endif
	52
	53
	54	// electron
	55	// 0.13 - 1.8
	56	// 0 7.594129e-02 8.256141e-03
	57	// 1 -5.535827e-01 8.170825e-02
	58	// 2 1.728591e+00 3.104210e-01
	59	// 3 -2.827893e+00 5.827802e-01
	60	// 4 2.503553e+00 5.736207e-01
	61	// 5 -1.125965e+00 2.821170e-01
	62	// 6 2.009036e-01 5.438876e-02
	63
	64	// pion
65	// 0.13 - 2.0
66	// 0 1.063457e+00 8.872043e-03
67	// 1 -4.222208e-01 2.534402e-02
68	// 2 1.042004e-01 1.503945e-02
69
70	// kaon
71	// 0.18 - 2.0
72	// 0 -7.289406e-02 1.686074e-03
73	// 1 4.415666e-01 1.143939e-02
74	// 2 -2.996790e-01 1.840964e-02
75	// 3 6.704652e-02 7.783990e-03
76
77	// proton
78	// 0.26 - 2.0
79	// 0 -3.730200e-02 2.347311e-03
80	// 1 1.163684e-01 1.319316e-02
81	// 2 8.354116e-02 1.997948e-02
82	// 3 -4.608098e-02 8.336400e-03
83
84
85	AliFemtoQATrackCut::AliFemtoQATrackCut() :
86	fCharge(0),
87	fLabel(0),
88	fStatus(0),
89	fminTPCclsF(0),
90	fminTPCncls(0),
91	fminITScls(0),
1e79fae4	92	fminTPCchiNdof(0),
f9210de7	93	fMaxTPCncls(1000),
	94	fMaxITSchiNdof(1000.0),
	95	fMaxTPCchiNdof(1000.0),
	96	fMaxSigmaToVertex(1000.0),
	97	fNTracksPassed(0),
	98	fNTracksFailed(0),
	99	fRemoveKinks(kFALSE),
	100	fMostProbable(0),
1e79fae4	101	fTPCnclsExclusionSwitch(kFALSE),
1e79fae4	102	fTPCchiNdofExclusionSwitch(kFALSE)
f9210de7	103	{
	104	// Default constructor
	105	fNTracksPassed = fNTracksFailed = 0;
	106	fCharge = 0; // takes both charges 0
	107	fPt[0]=0.0; fPt[1] = 100.0;//100
	108	fRapidity[0]=-2; fRapidity[1]=2;//-2 2
	109	fPidProbElectron[0]=-1;fPidProbElectron[1]=2;
	110	fPidProbPion[0]=-1; fPidProbPion[1]=2;
	111	fPidProbKaon[0]=-1;fPidProbKaon[1]=2;
	112	fPidProbProton[0]=-1;fPidProbProton[1]=2;
	113	fPidProbMuon[0]=-1;fPidProbMuon[1]=2;
	114	fLabel=false;
	115	fStatus=0;
	116	fminTPCclsF=0;
	117	fminITScls=0;
	118	fTPCnclsExclusionSwitch = false;
	119	fTPCnclsExclusion[0] = 0;
	120	fTPCnclsExclusion[1] = 1000;
	121	fTPCchiNdofExclusionSwitch = false;
	122	fTPCchiNdofExclusion[0] = 0.0;
	123	fTPCchiNdofExclusion[1] = 1000.0;
	124	}
	125	//------------------------------
	126	AliFemtoQATrackCut::~AliFemtoQATrackCut(){
	127	/* noop */
	128	}
	129	//------------------------------
	130	bool AliFemtoQATrackCut::Pass(const AliFemtoTrack* track)
	131	{
	132	// test the particle and return
	133	// true if it meets all the criteria
	134	// false if it doesn't meet at least one of the criteria
	135	float tMost[5];
	136
	137	//cout<<"AliFemtoESD cut"<<endl;
	138	//cout<<fPidProbPion[0]<<" < pi ="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
	139	if (fStatus!=0)
	140	{
	141	//cout<<" status "<<track->Label()<<" "<<track->Flags()<<" "<<track->TPCnclsF()<<" "<<track->ITSncls()<<endl;
	142	if ((track->Flags()&fStatus)!=fStatus)
	143	{
	144	// cout<<track->Flags()<<" "<<fStatus<<" no go through status"<<endl;
	145	return false;
	146	}
	147
	148	}
	149	if (fRemoveKinks) {
	150	if ((track->KinkIndex(0)) \|\| (track->KinkIndex(1)) \|\| (track->KinkIndex(2)))
	151	return false;
	152	}
	153	if (fminTPCclsF>track->TPCnclsF())
	154	{
	155	//cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
	156	return false;
	157	}
	158
	159	// TPC number of clusters:
	160	if (fTPCnclsExclusionSwitch) {
	161	bool outTPCnclsExclusionZone[2];
	162	outTPCnclsExclusionZone[0] = false;
	163	outTPCnclsExclusionZone[1] = false;
	164	if ( (fminTPCncls > track->TPCncls()) \|\| (fTPCnclsExclusion[0] < track->TPCncls()) ) {
	165	//cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
	166	outTPCnclsExclusionZone[0] = true;
167	}
168	if ( (fMaxTPCncls < track->TPCncls()) \|\| (fTPCnclsExclusion[1] > track->TPCncls()) ) {
169	//cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
170	outTPCnclsExclusionZone[1] = true;
171	}
172	if ( outTPCnclsExclusionZone[0] * outTPCnclsExclusionZone[1] ) { return false; }
173	}
174	else {
175	if (fminTPCncls > track->TPCncls()) {
176	//cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
177	return false;
178	}
179	if (fMaxTPCncls < track->TPCncls()) {
180	//cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
181	return false;
182	}
183	}
184
185	if (fminITScls>track->ITSncls())
186	{
187	//cout<<" No go because ITS Number of Cls"<<fminITScls<< " "<<track->ITSncls()<<endl;
188	return false;
189	}
190
191	if (fMaxSigmaToVertex < track->SigmaToVertex()) {
192	return false;
193	}
194
195	if (track->ITSncls() > 0)
196	if ((track->ITSchi2()/track->ITSncls()) > fMaxITSchiNdof) {
197	return false;
198	}
199
200	// TPC chiNdof of tracks:
201	if (fTPCchiNdofExclusionSwitch && (track->TPCncls() > 0)) {
202	bool outTPCchiNdofExclusionZone[2];
203	outTPCchiNdofExclusionZone[0] = false;
204	outTPCchiNdofExclusionZone[1] = false;
205	if ( (fminTPCchiNdof > (track->TPCchi2()/track->TPCncls())) \|\| (fTPCchiNdofExclusion[0] < (track->TPCchi2()/track->TPCncls())) ) {
206	//cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
207	outTPCchiNdofExclusionZone[0] = true;
208	}
209	if ( (fMaxTPCchiNdof < (track->TPCchi2()/track->TPCncls())) \|\| (fTPCchiNdofExclusion[1] > (track->TPCchi2()/track->TPCncls())) ) {
210	//cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
211	outTPCchiNdofExclusionZone[1] = true;
212	}
213	if ( outTPCchiNdofExclusionZone[0] * outTPCchiNdofExclusionZone[1] ) { return false; }
214	}
215	else {
216	if (fminTPCchiNdof > (track->TPCchi2()/track->TPCncls())) {
217	//cout<<" No go because TPC Number of ClsF"<<fminTPCclsF<< " "<<track->TPCnclsF()<<endl;
218	return false;
219	}
220	if (fMaxTPCchiNdof < (track->TPCchi2()/track->TPCncls())) {
221	//cout<<" No go because TPC Number of Cls"<<fMaxTPCclsF<< " "<<track->TPCnclsF()<<endl;
222	return false;
223	}
224	}
225
226	if (fLabel)
227	{
228	//cout<<"labels"<<endl;
229	if(track->Label()<0)
230	{
231	fNTracksFailed++;
232	// cout<<"No Go Through the cut"<<endl;
233	// cout<<fLabel<<" Label="<<track->Label()<<endl;
234	return false;
235	}
236	}
237	if (fCharge!=0)
238	{
239	//cout<<"AliFemtoESD cut ch "<<endl;
240	//cout<<fCharge<<" Charge="<<track->Charge()<<endl;
241	if (track->Charge()!= fCharge)
242	{
243	fNTracksFailed++;
244	// cout<<"No Go Through the cut"<<endl;
245	// cout<<fCharge<<" Charge="<<track->Charge()<<endl;
246	return false;
247	}
248	}
249	float tEnergy = ::sqrt(track->P().mag2()+fMass*fMass);
250	float tRapidity = 0.5*::log((tEnergy+track->P().z())/(tEnergy-track->P().z()));
251	float tPt = ::sqrt((track->P().x())(track->P().x())+(track->P().y())(track->P().y()));
252	if ((tRapidity<fRapidity[0])\|\|(tRapidity>fRapidity[1]))
253	{
254	fNTracksFailed++;
255	//cout<<"No Go Through the cut"<<endl;
256	//cout<<fRapidity[0]<<" < Rapidity ="<<tRapidity<<" <"<<fRapidity[1]<<endl;
257	return false;
258	}
259	if ((tPt<fPt[0])\|\|(tPt>fPt[1]))
260	{
261	fNTracksFailed++;
262	//cout<<"No Go Through the cut"<<endl;
263	//cout<<fPt[0]<<" < Pt ="<<Pt<<" <"<<fPt[1]<<endl;
264	return false;
265	}
266	// cout << "Track has pids: "
267	// << track->PidProbElectron() << " "
268	// << track->PidProbMuon() << " "
269	// << track->PidProbPion() << " "
270	// << track->PidProbKaon() << " "
271	// << track->PidProbProton() << " "
272	// << track->PidProbElectron()+track->PidProbMuon()+track->PidProbPion()+track->PidProbKaon()+track->PidProbProton() << endl;
273
274
275	if ((track->PidProbElectron()<fPidProbElectron[0])\|\|(track->PidProbElectron()>fPidProbElectron[1]))
276	{
277	fNTracksFailed++;
278	//cout<<"No Go Through the cut"<<endl;
279	//cout<<fPidProbElectron[0]<<" < e ="<<track->PidProbElectron()<<" <"<<fPidProbElectron[1]<<endl;
280	return false;
281	}
282	if ((track->PidProbPion()<fPidProbPion[0])\|\|(track->PidProbPion()>fPidProbPion[1]))
283	{
284	fNTracksFailed++;
285	//cout<<"No Go Through the cut"<<endl;
286	//cout<<fPidProbPion[0]<<" < pi ="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
287	return false;
288	}
289	if ((track->PidProbKaon()<fPidProbKaon[0])\|\|(track->PidProbKaon()>fPidProbKaon[1]))
290	{
291	fNTracksFailed++;
292	//cout<<"No Go Through the cut"<<endl;
293	//cout<<fPidProbKaon[0]<<" < k ="<<track->PidProbKaon()<<" <"<<fPidProbKaon[1]<<endl;
294	return false;
295	}
296	if ((track->PidProbProton()<fPidProbProton[0])\|\|(track->PidProbProton()>fPidProbProton[1]))
297	{
298	fNTracksFailed++;
299	//cout<<"No Go Through the cut"<<endl;
300	//cout<<fPidProbProton[0]<<" < p ="<<track->PidProbProton()<<" <"<<fPidProbProton[1]<<endl;
301	return false;
302	}
303	if ((track->PidProbMuon()<fPidProbMuon[0])\|\|(track->PidProbMuon()>fPidProbMuon[1]))
304	{
305	fNTracksFailed++;
306	//cout<<"No Go Through the cut"<<endl;
307	//cout<<fPidProbMuon[0]<<" < mi="<<track->PidProbMuon()<<" <"<<fPidProbMuon[1]<<endl;
308	return false;
309	}
310
311	if (fMostProbable) {
312	tMost[0] = track->PidProbElectron()*PidFractionElectron(track->P().mag());
313	tMost[1] = 0.0;
314	tMost[2] = track->PidProbPion()*PidFractionPion(track->P().mag());
315	tMost[3] = track->PidProbKaon()*PidFractionKaon(track->P().mag());
316	tMost[4] = track->PidProbProton()*PidFractionProton(track->P().mag());
317	int imost=0;
318	float ipidmax = 0.0;
319	for (int ip=0; ip<5; ip++)
320	if (tMost[ip] > ipidmax) { ipidmax = tMost[ip]; imost = ip; };
321	if (imost != fMostProbable) return false;
322	}
323
324	// cout<<"Go Through the cut"<<endl;
325	// cout<<fLabel<<" Label="<<track->Label()<<endl;
326	// cout<<fCharge<<" Charge="<<track->Charge()<<endl;
327	// cout<<fPt[0]<<" < Pt ="<<Pt<<" <"<<fPt[1]<<endl;
328	//cout<<fRapidity[0]<<" < Rapidity ="<<tRapidity<<" <"<<fRapidity[1]<<endl;
329	//cout<<fPidProbElectron[0]<<" < e="<<track->PidProbElectron()<<" <"<<fPidProbElectron[1]<<endl;
330	//cout<<fPidProbPion[0]<<" < pi="<<track->PidProbPion()<<" <"<<fPidProbPion[1]<<endl;
331	//cout<<fPidProbKaon[0]<<" < k="<<track->PidProbKaon()<<" <"<<fPidProbKaon[1]<<endl;
332	//cout<<fPidProbProton[0]<<" < p="<<track->PidProbProton()<<" <"<<fPidProbProton[1]<<endl;
333	//cout<<fPidProbMuon[0]<<" < mi="<<track->PidProbMuon()<<" <"<<fPidProbMuon[1]<<endl;
334	fNTracksPassed++ ;
335	return true;
336
337
338	}
339	//------------------------------
340	AliFemtoString AliFemtoQATrackCut::Report()
341	{
342	// Prepare report from the execution
343	string tStemp;
344	char tCtemp[100];
345	sprintf(tCtemp,"Particle mass:\t%E\n",this->Mass());
346	tStemp=tCtemp;
347	sprintf(tCtemp,"Particle charge:\t%d\n",fCharge);
348	tStemp+=tCtemp;
349	sprintf(tCtemp,"Particle pT:\t%E - %E\n",fPt[0],fPt[1]);
350	tStemp+=tCtemp;
351	sprintf(tCtemp,"Particle rapidity:\t%E - %E\n",fRapidity[0],fRapidity[1]);
352	tStemp+=tCtemp;
353	sprintf(tCtemp,"Number of tracks which passed:\t%ld Number which failed:\t%ld\n",fNTracksPassed,fNTracksFailed);
354	tStemp += tCtemp;
355	AliFemtoString returnThis = tStemp;
356	return returnThis;
357	}
358	TList *AliFemtoQATrackCut::ListSettings()
359	{
360	// return a list of settings in a writable form
361	TList *tListSetttings = new TList();
362	char buf[200];
363	snprintf(buf, 200, "AliFemtoQATrackCut.mass=%f", this->Mass());
364	tListSetttings->AddLast(new TObjString(buf));
365
366	snprintf(buf, 200, "AliFemtoQATrackCut.charge=%i", fCharge);
367	tListSetttings->AddLast(new TObjString(buf));
368	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobpion.minimum=%f", fPidProbPion[0]);
369	tListSetttings->AddLast(new TObjString(buf));
370	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobpion.maximum=%f", fPidProbPion[1]);
371	tListSetttings->AddLast(new TObjString(buf));
372	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobkaon.minimum=%f", fPidProbKaon[0]);
373	tListSetttings->AddLast(new TObjString(buf));
374	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobkaon.maximum=%f", fPidProbKaon[1]);
375	tListSetttings->AddLast(new TObjString(buf));
376	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobproton.minimum=%f", fPidProbProton[0]);
377	tListSetttings->AddLast(new TObjString(buf));
378	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobproton.maximum=%f", fPidProbProton[1]);
379	tListSetttings->AddLast(new TObjString(buf));
380	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobelectron.minimum=%f", fPidProbElectron[0]);
381	tListSetttings->AddLast(new TObjString(buf));
382	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobelectron.maximum=%f", fPidProbElectron[1]);
383	tListSetttings->AddLast(new TObjString(buf));
384	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobMuon.minimum=%f", fPidProbMuon[0]);
385	tListSetttings->AddLast(new TObjString(buf));
386	snprintf(buf, 200, "AliFemtoQATrackCut.pidprobMuon.maximum=%f", fPidProbMuon[1]);
387	tListSetttings->AddLast(new TObjString(buf));
388	snprintf(buf, 200, "AliFemtoQATrackCut.minimumtpcclusters=%i", fminTPCclsF);
389	tListSetttings->AddLast(new TObjString(buf));
390	snprintf(buf, 200, "AliFemtoQATrackCut.minimumitsclusters=%i", fminTPCclsF);
391	tListSetttings->AddLast(new TObjString(buf));
392	snprintf(buf, 200, "AliFemtoQATrackCut.pt.minimum=%f", fPt[0]);
393	tListSetttings->AddLast(new TObjString(buf));
394	snprintf(buf, 200, "AliFemtoQATrackCut.pt.maximum=%f", fPt[1]);
395	tListSetttings->AddLast(new TObjString(buf));
396	snprintf(buf, 200, "AliFemtoQATrackCut.rapidity.minimum=%f", fRapidity[0]);
397	tListSetttings->AddLast(new TObjString(buf));
398	snprintf(buf, 200, "AliFemtoQATrackCut.rapidity.maximum=%f", fRapidity[1]);
399	tListSetttings->AddLast(new TObjString(buf));
400	snprintf(buf, 200, "AliFemtoQATrackCut.removekinks=%i", fRemoveKinks);
401	tListSetttings->AddLast(new TObjString(buf));
402	snprintf(buf, 200, "AliFemtoQATrackCut.maxitschindof=%f", fMaxITSchiNdof);
403	tListSetttings->AddLast(new TObjString(buf));
404	snprintf(buf, 200, "AliFemtoQATrackCut.maxtpcchindof=%f", fMaxTPCchiNdof);
405	tListSetttings->AddLast(new TObjString(buf));
406	snprintf(buf, 200, "AliFemtoQATrackCut.maxsigmatovertex=%f", fMaxSigmaToVertex);
407	tListSetttings->AddLast(new TObjString(buf));
408	if (fMostProbable) {
409	if (fMostProbable == 2)
410	snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Pion");
411	if (fMostProbable == 3)
412	snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Kaon");
413	if (fMostProbable == 4)
414	snprintf(buf, 200, "AliFemtoQATrackCut.mostprobable=%s", "Proton");
415	tListSetttings->AddLast(new TObjString(buf));
416	}
417	return tListSetttings;
418	}
419	void AliFemtoQATrackCut::SetRemoveKinks(const bool& flag)
420	{
421	fRemoveKinks = flag;
422	}
423
424	// electron
425	// 0.13 - 1.8
426	// 0 7.594129e-02 8.256141e-03
427	// 1 -5.535827e-01 8.170825e-02
428	// 2 1.728591e+00 3.104210e-01
429	// 3 -2.827893e+00 5.827802e-01
430	// 4 2.503553e+00 5.736207e-01
431	// 5 -1.125965e+00 2.821170e-01
432	// 6 2.009036e-01 5.438876e-02
433	float AliFemtoQATrackCut::PidFractionElectron(float mom) const
434	{
435	// Provide a parameterized fraction of electrons dependent on momentum
436	if (mom<0.13) return 0.0;
437	if (mom>1.8) return 0.0;
438	return (7.594129e-02
439	-5.535827e-01*mom
440	+1.728591e+00mommom
441	-2.827893e+00mommom*mom
442	+2.503553e+00mommommommom
443	-1.125965e+00mommommommom*mom
444	+2.009036e-01mommommommommommom);
445	}
446
447	// pion
448	// 0.13 - 2.0
449	// 0 1.063457e+00 8.872043e-03
450	// 1 -4.222208e-01 2.534402e-02
451	// 2 1.042004e-01 1.503945e-02
452	float AliFemtoQATrackCut::PidFractionPion(float mom) const
453	{
454	// Provide a parameterized fraction of pions dependent on momentum
455	if (mom<0.13) return 0.0;
456	if (mom>2.0) return 0.0;
457	return ( 1.063457e+00
458	-4.222208e-01*mom
459	+1.042004e-01mommom);
460	}
461
462	// kaon
463	// 0.18 - 2.0
464	// 0 -7.289406e-02 1.686074e-03
465	// 1 4.415666e-01 1.143939e-02
466	// 2 -2.996790e-01 1.840964e-02
467	// 3 6.704652e-02 7.783990e-03
468	float AliFemtoQATrackCut::PidFractionKaon(float mom) const
469	{
470	// Provide a parameterized fraction of kaons dependent on momentum
471	if (mom<0.18) return 0.0;
472	if (mom>2.0) return 0.0;
473	return (-7.289406e-02
474	+4.415666e-01*mom
475	-2.996790e-01mommom
476	+6.704652e-02mommom*mom);
477	}
478
479	// proton
480	// 0.26 - 2.0
481	// 0 -3.730200e-02 2.347311e-03
482	// 1 1.163684e-01 1.319316e-02
483	// 2 8.354116e-02 1.997948e-02
484	// 3 -4.608098e-02 8.336400e-03
485	float AliFemtoQATrackCut::PidFractionProton(float mom) const
486	{
487	// Provide a parameterized fraction of protons dependent on momentum
488	if (mom<0.26) return 0.0;
489	if (mom>2.0) return 0.0;
490	return (-3.730200e-02
491	+1.163684e-01*mom
492	+8.354116e-02mommom
493	-4.608098e-02mommom*mom);
494	}