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