PndPidDrcAssociatorTask Class Reference

#include <PndPidDrcAssociatorTask.h>

Inheritance diagram for PndPidDrcAssociatorTask:

Public Member Functions
virtual void	Exec (Option_t *option)
virtual InitStatus	Init ()
void	Register ()
void	Reset ()
	PndPidDrcAssociatorTask (const char *name, const char *title="Pnd Task")
	PndPidDrcAssociatorTask ()
virtual	~PndPidDrcAssociatorTask ()
void	SetVerbose (Bool_t verb)
virtual void	SetParContainers ()
virtual void	Finish ()
void	SetOutputBranch (TString branch)

Protected Member Functions
void	DoPidMatch (PndPidCandidate *pidcand, PndPidProbability *prob)
Double_t	GetPdf (Double_t thetaC, Double_t mom, Double_t mass, Double_t sigma)

Protected Attributes
TClonesArray *	fPidChargedCand
TClonesArray *	fPidChargedProb
	PndPidCandidate TCA for charged particles. More...
TString	fTrackBranchNamePidHypo
	PndPidProbability TCA for charged particles. More...

Detailed Description

Definition at line 20 of file PndPidDrcAssociatorTask.h.

Constructor & Destructor Documentation

PndPidDrcAssociatorTask::PndPidDrcAssociatorTask	(	const char *	name,
		const char *	title = "Pnd Task"
	)

Definition at line 25 of file PndPidDrcAssociatorTask.cxx.

References fPidChargedProb, fTrackBranchNamePidHypo, and SetTitle().

                                                                                   :FairTask(name) 
{
  //---
  fPidChargedProb = new TClonesArray("PndPidProbability");
  fTrackBranchNamePidHypo="";
  SetTitle(title);
  }

PndPidDrcAssociatorTask::PndPidDrcAssociatorTask

(

)

Definition at line 18 of file PndPidDrcAssociatorTask.cxx.

References fPidChargedProb, and fTrackBranchNamePidHypo.

                                                 {
  //---
  fPidChargedProb = new TClonesArray("PndPidProbability");
  fTrackBranchNamePidHypo="";
}

PndPidDrcAssociatorTask::~PndPidDrcAssociatorTask ( )

virtual

Definition at line 11 of file PndPidDrcAssociatorTask.cxx.

                                                  {
  //
  FairRootManager *fManager =FairRootManager::Instance();
  fManager->Write();
}

Member Function Documentation

void PndPidDrcAssociatorTask::DoPidMatch ( PndPidCandidate *  pidcand, PndPidProbability *  prob  )

protected

Definition at line 75 of file PndPidDrcAssociatorTask.cxx.

References exp(), PndPidCandidate::GetDrcThetaC(), PndPidCandidate::GetMomentum(), GetPdf(), Pi, PndPidProbability::SetElectronPdf(), PndPidProbability::SetKaonPdf(), PndPidProbability::SetMuonPdf(), PndPidProbability::SetPionPdf(), PndPidProbability::SetProtonPdf(), sigma, and theta.

Referenced by Exec().

{
// real track were propagated, reconstructed in Barrel DIRC and Parameterized for Fast simulation
// Harphool Kumawat h.kumawat@gsi.de  
     Float_t theta = pidcand->GetMomentum().Theta()*180.0/TMath::Pi();
     Float_t sigma=0.002;
     if(theta<45.){
     sigma=0.001*(3.21659E-01 + 7.48416E-02*theta - 9.87561E-05*theta*theta - 2.47129E-06*theta*theta*theta);
       }else if(theta>45. && theta<90.){
     sigma=0.001*(3.21659E-01 + 7.48416E-02*theta - 9.87561E-05*theta*theta - 2.47129E-06*theta*theta*theta);
     }else if(theta>=90.){
     sigma=0.001*( 2.34224e+01-3.52791e-01*theta+1.64046e-03*theta*theta-7.57365e-07*theta*theta*theta)+0.0003;
     } 
     sigma=sigma+0.00873*exp(-pidcand->GetMomentum().Mag()/0.4614);
     // electron
  {
    Float_t mass   = 0.0005;
//    Float_t sigma  = 0.002;//0.006; changed by Maria Patsyuk (m.patsyuk@gsi.de) on 3. July 2012
    prob->SetElectronPdf(GetPdf(pidcand->GetDrcThetaC(),pidcand->GetMomentum().Mag(),mass, sigma));
  }

  // muon
  {
    Float_t mass   = 0.106;
//    Float_t sigma  = 0.002;//0.006;
    prob->SetMuonPdf(GetPdf(pidcand->GetDrcThetaC(),pidcand->GetMomentum().Mag(),mass, sigma));
  }
  
  // pion
  {
    Float_t mass   = 0.140;
//    Float_t sigma  = 0.002;//0.006;
    prob->SetPionPdf(GetPdf(pidcand->GetDrcThetaC(),pidcand->GetMomentum().Mag(),mass, sigma));
  }
  
  // kaon
  {
    Float_t mass   = 0.494;
//    Float_t sigma  = 0.002;//0.005;
    prob->SetKaonPdf(GetPdf(pidcand->GetDrcThetaC(),pidcand->GetMomentum().Mag(),mass, sigma));
  }
  
  // proton
  {
    Float_t mass   = 0.938;
//    Float_t sigma  = 0.002;//0.005;
    prob->SetProtonPdf(GetPdf(pidcand->GetDrcThetaC(),pidcand->GetMomentum().Mag(),mass, sigma));
  }
}  

void PndPidDrcAssociatorTask::Exec ( Option_t *  option )

virtual

Definition at line 58 of file PndPidDrcAssociatorTask.cxx.

References DoPidMatch(), fPidChargedCand, fPidChargedProb, fVerbose, PndPidCandidate::GetDrcIndex(), i, and PndPidProbability::SetIndex().

                                             {
  if (fPidChargedProb->GetEntriesFast() != 0) fPidChargedProb->Clear();
  if(fVerbose>1) std::cout << "-I- Start PndPidDrcAssociatorTask. "<<std::endl;

  // Get the Candidates
  for(Int_t i=0; i<fPidChargedCand->GetEntriesFast(); i++)
    {
      PndPidCandidate* pidcand = (PndPidCandidate*)fPidChargedCand->At(i);
      TClonesArray& pidRef = *fPidChargedProb;
      PndPidProbability* prob = new(pidRef[i]) PndPidProbability();// initializes with zeros
      prob->SetIndex(i);
      if (pidcand->GetDrcIndex()==-1) continue;
      DoPidMatch(pidcand,prob);
    }
 
}

void PndPidDrcAssociatorTask::Finish ( )

virtual

Definition at line 155 of file PndPidDrcAssociatorTask.cxx.

                                     {
}

Double_t PndPidDrcAssociatorTask::GetPdf ( Double_t  thetaC, Double_t  mom, Double_t  mass, Double_t  sigma  )

protected

Definition at line 126 of file PndPidDrcAssociatorTask.cxx.

References CAMath::Cos(), Double_t, CAMath::Sqrt(), and val.

Referenced by DoPidMatch().

{
  Double_t beta = mom / TMath::Sqrt(mom*mom + mass*mass);
  if ( (beta>0.) && ((1./1.47/beta)<1.) )
    {
      Double_t center = 1./1.47/beta;
      TF1 *gausPdf = new TF1("gausPdf","gausn",0,1);
      gausPdf->SetParameter(0,1);
      gausPdf->SetParameter(1,center);
      gausPdf->SetParameter(2,sigma);
      Double_t val = gausPdf->Eval(TMath::Cos(thetaC));
      delete gausPdf;
      return val;
    }
  else
    {
      // FIXME: Don't write Zeros to that pdf!
      return 0.;
    }
}

InitStatus PndPidDrcAssociatorTask::Init ( )

virtual

Definition at line 34 of file PndPidDrcAssociatorTask.cxx.

References fPidChargedCand, fTrackBranchNamePidHypo, and Register().

                                         {
  
  std::cout << "InitStatus PndPidDrcAssociatorTask::Init()" << std::endl;
  
  FairRootManager *fManager =FairRootManager::Instance();       

  fPidChargedCand = (TClonesArray *)fManager->GetObject("PidChargedCand"+fTrackBranchNamePidHypo);
  if ( ! fPidChargedCand) {
    std::cout << "-I- PndPidDrcAssociatorTask::Init: No PndPidCandidate array PidChargedCand there!" << std::endl;
    return kERROR;
  }
    
  Register();
  
  std::cout << "-I- PndPidDrcAssociatorTask::Init: Success!" << std::endl;
  
  return kSUCCESS;
}

void PndPidDrcAssociatorTask::Register

(

)

Definition at line 148 of file PndPidDrcAssociatorTask.cxx.

References fPidChargedProb, and fTrackBranchNamePidHypo.

Referenced by Init().

                                       {
  //---
  FairRootManager::Instance()->
    Register("PidAlgoDrc"+fTrackBranchNamePidHypo,"Pid", fPidChargedProb, kTRUE);
}

void PndPidDrcAssociatorTask::Reset

(

)

Definition at line 159 of file PndPidDrcAssociatorTask.cxx.

                                    {
  //---
}

void PndPidDrcAssociatorTask::SetOutputBranch ( TString  branch )

inline

Definition at line 51 of file PndPidDrcAssociatorTask.h.

References fTrackBranchNamePidHypo.

Referenced by PndMasterMultiPidTask::PndMasterMultiPidTask().

{ fTrackBranchNamePidHypo = branch; };

void PndPidDrcAssociatorTask::SetParContainers ( )

virtual

Get parameter containers

Definition at line 54 of file PndPidDrcAssociatorTask.cxx.

                                               {
  //--
}

void PndPidDrcAssociatorTask::SetVerbose ( Bool_t  verb )

inline

Definition at line 45 of file PndPidDrcAssociatorTask.h.

References fVerbose.

{ fVerbose = verb  ;};

Member Data Documentation

TClonesArray* PndPidDrcAssociatorTask::fPidChargedCand

protected

Definition at line 24 of file PndPidDrcAssociatorTask.h.

Referenced by Exec(), and Init().

TClonesArray* PndPidDrcAssociatorTask::fPidChargedProb

protected

PndPidCandidate TCA for charged particles.

Definition at line 25 of file PndPidDrcAssociatorTask.h.

Referenced by Exec(), PndPidDrcAssociatorTask(), and Register().

TString PndPidDrcAssociatorTask::fTrackBranchNamePidHypo

protected

PndPidProbability TCA for charged particles.

Definition at line 27 of file PndPidDrcAssociatorTask.h.

Referenced by Init(), PndPidDrcAssociatorTask(), Register(), and SetOutputBranch().

---

The documentation for this class was generated from the following files:

• PndPidDrcAssociatorTask.h
• PndPidDrcAssociatorTask.cxx