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PndRecoKalmanTask.cxx
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PndRecoKalmanTask.cxx
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//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
// Implementation of class PndRecoKalmanTask
// see PndRecoKalmanTask.hh for details
//
// Environment:
// Software developed for the PANDA Detector at FAIR.
//
// Author List:
// Sebastian Neubert TUM (original author)
// Stefano Spataro, UNI Torino
//
//-----------------------------------------------------------
// Panda Headers ----------------------
// This Class' Header ------------------
#include "PndRecoKalmanTask.h"
// C/C++ Headers ----------------------
#include <iostream>
#include <cmath>
// Collaborating Class Headers --------
#include "TClonesArray.h"
#include "TParticlePDG.h"
#include "PndTrack.h"
#include "PndTrackID.h"
#include "PndMCTrack.h"
#include "FairRootManager.h"
#include "FairGeanePro.h"
#include "FairRunAna.h"
#include "FairRuntimeDb.h"
PndRecoKalmanTask::PndRecoKalmanTask(const char* name, Int_t iVerbose)
: FairTask(name, iVerbose), fTrackInBranchName(""), fTrackInIDBranchName(""),
fTrackOutBranchName(""), fMvdBranchName(""), fCentralTrackerBranchName(""),
fFitTrackArray(), fFitter(), fDafFitter(), fPDGHyp(-13),
fUseGeane(kTRUE), fIdealHyp(kFALSE), fDaf(kFALSE), fPersistence(kTRUE),
fPropagateToIP(kTRUE), fPerpPlane(kFALSE),
fNumIt(1), fBusyCut(20), fTrackRep(0), mStoreTrackParameterization(false)
{
fFitTrackArray = new TClonesArray("PndTrack");
fFitter = new PndRecoKalmanFit();
fDafFitter = new PndRecoDafFit();
}
PndRecoKalmanTask::~PndRecoKalmanTask()
{
}
InitStatus
PndRecoKalmanTask::Init()
{
switch (fTrackRep)
{
case 0:
std::cout << " -I- PndRecoKalmanTask:Init :: Using GeaneTrackRep" << std::endl;
break;
case 1:
std::cout << " -I- PndRecoKalmanTask:Init :: Using RKTrackRep" << std::endl;
break;
default:
Error("PndRecoKalmanTask::Init","Not existing Track Representation!!");
return kERROR;
}
if (!fDaf)
{
fFitter->SetGeane(fUseGeane);
fFitter->SetPropagateToIP(fPropagateToIP);
fFitter->SetPerpPlane(fPerpPlane);
fFitter->SetNumIterations(fNumIt);
fFitter->SetMvdBranchName(fMvdBranchName);
fFitter->SetCentralTrackerBranchName(fCentralTrackerBranchName);
fFitter->SetVerbose(fVerbose);
fFitter->SetTrackRep(fTrackRep);
if (!fFitter->Init()) return kFATAL;
}
else
{
fDafFitter->SetGeane(fUseGeane);
fDafFitter->SetPropagateToIP(fPropagateToIP);
fDafFitter->SetPerpPlane(fPerpPlane);
fDafFitter->SetMvdBranchName(fMvdBranchName);
fDafFitter->SetCentralTrackerBranchName(fCentralTrackerBranchName);
fDafFitter->SetVerbose(fVerbose);
fDafFitter->SetTrackRep(fTrackRep);
if (!fDafFitter->Init()) return kFATAL;
}
//Get ROOT Manager
FairRootManager* ioman= FairRootManager::Instance();
if(ioman==0)
{
Error("PndRecoKalmanTask::Init","RootManager not instantiated!");
return kERROR;
}
// Get input collection
fTrackArray=(TClonesArray*) ioman->GetObject(fTrackInBranchName);
if(fTrackArray==0)
{
Error("PndRecoKalmanTask::Init","track-array not found!");
return kERROR;
}
if (fIdealHyp)
{
pdg = new TDatabasePDG();
fTrackIDArray=(TClonesArray*) ioman->GetObject(fTrackInIDBranchName);
if(fTrackIDArray==0)
{
Error("PndRecoKalmanTask::Init","track ID array not found! It is not possible to run ideal particle hypothesis");
return kERROR;
}
fMCTrackArray=(TClonesArray*) ioman->GetObject("MCTrack");
if(fMCTrackArray==0)
{
Error("PndRecoKalmanTask::Init","MCTrack array not found! It is not possible to run ideal particle hypothesis");
return kERROR;
}
}
ioman->Register(fTrackOutBranchName,"Gen", fFitTrackArray, fPersistence);
return kSUCCESS;
}
void PndRecoKalmanTask::SetParContainers() {
FairRuntimeDb* rtdb = FairRunAna::Instance()->GetRuntimeDb();
#if _EIC_OFF_
rtdb->getContainer("PndGeoSttPar");
rtdb->getContainer("PndGeoFtsPar");
#endif
}
void PndRecoKalmanTask::Exec(Option_t* opt)
{
if (fVerbose>0) std::cout<<"PndRecoKalmanTask::Exec"<<std::endl;
fFitTrackArray->Delete();
Int_t ntracks=fTrackArray->GetEntriesFast();
// Detailed output
if (fVerbose>1) std::cout << " -I- PndRecoKalmanTask: contains " << ntracks << " Tracks."<< std::endl;
// Cut too busy events TODO
if(ntracks>fBusyCut)
{
std::cout<<" -I- PndRecoKalmanTask::Exec: ntracks=" << ntracks << " Evil Event! skipping" << std::endl;
return;
}
for(Int_t itr=0;itr<ntracks;++itr)
{
if (fVerbose>1) std::cout<<"starting track"<<itr<<std::endl;
TClonesArray& trkRef = *fFitTrackArray;
Int_t size = trkRef.GetEntriesFast();
PndTrack *prefitTrack = (PndTrack*)fTrackArray->At(itr);
Int_t fCharge= prefitTrack->GetParamFirst().GetQ();
Int_t PDGCode = 0;
if (fIdealHyp)
{
PndTrackID *prefitTrackID = (PndTrackID*)fTrackIDArray->At(itr);
if (prefitTrackID->GetNCorrTrackId()>0)
{
Int_t mcTrackId = prefitTrackID->GetCorrTrackID();
if (mcTrackId!=-1)
{
PndMCTrack *mcTrack = (PndMCTrack*)fMCTrackArray->At(mcTrackId);
if (!mcTrack)
{
PDGCode = 211*fCharge;
std::cout << "-I- PndRecoKalmanTask::Exec: MCTrack #" << mcTrackId << " is not existing!! Trying with pion hyp" << std::endl;
}
else
{
PDGCode = mcTrack->GetPdgCode();
}
if (PDGCode>=100000000)
{
PDGCode = 211*fCharge;
std::cout << "-I- PndRecoKalmanTask::Exec: Track is an ion (PDGCode>100000000)! Trying with pion hyp" << std::endl;
}
else if ((((TParticlePDG*)pdg->GetParticle(PDGCode))->Charge())==0)
{
PDGCode = 211*fCharge;
std::cout << "-E- PndRecoKalmanTask::Exec: Track MC charge is 0!!!! Trying with pion hyp" << std::endl;
}
} // end of MCTrack ID != -1
else
{
PDGCode = 211*fCharge;
std::cout << "-E- PndRecoKalmanTask::Exec: No MCTrack index in PndTrackID!! Trying with pion hyp" << std::endl;
}
} // end of "at least one correlated mc index"
else
{
PDGCode = 211*fCharge;
std::cout << "-E- PndRecoKalmanTask::Exec: No Correlated MCTrack id in PndTrackID!! Trying with pion hyp" << std::endl;
}
} // end of ideal hyp condition
else
{
PDGCode = fPDGHyp*fCharge;
}
PndTrack *fitTrack = new PndTrack();
if (PDGCode!=0)
{
if (fDaf) fitTrack = fDafFitter->Fit(prefitTrack, PDGCode);
else fitTrack = fFitter->Fit(prefitTrack, PDGCode, mStoreTrackParameterization);
#if _OFF_
{
for(unsigned iq=0; iq<fitTrack->mSmoothedValues.size(); iq++) {
TVector3 &pos = fitTrack->mSmoothedValues[iq].first;
TVector3 &mom = fitTrack->mSmoothedValues[iq].second;
printf("%10.4f %10.4f %10.4f -> %10.4f %10.4f %10.4f\n",
pos.X(), pos.Y(), pos.Z(), mom.X(), mom.Y(), mom.Z());
} //for iq
}
#endif
}
else
{
fitTrack = prefitTrack;
fitTrack->SetFlag(22);
std::cout << "-I- PndRecoKalmanTask::Exec: Kalman cannot run on this track because of the bad MonteCarlo PDC code" << std::endl;
}
PndTrack* pndTrack = new(trkRef[size]) PndTrack(fitTrack->GetParamFirst(), fitTrack->GetParamLast(), fitTrack->GetTrackCand(),
fitTrack->GetFlag(), fitTrack->GetChi2(), fitTrack->GetNDF(), fitTrack->GetPidHypo(), itr, FairRootManager::Instance()->GetBranchId(fTrackInBranchName));
// Yes, copy over by hand, sorry;
pndTrack->mParameterizations = fitTrack->mParameterizations;
}
if (fVerbose>0) std::cout<<"Fitting done"<<std::endl;
return;
}
void PndRecoKalmanTask::SetParticleHypo(TString h)
{
// Set the hypothesis for the fit, charge will be applied later
if(h.BeginsWith("e") || h.BeginsWith("E")){
fPDGHyp=-11; //electrons
}else if(h.BeginsWith("m") || h.BeginsWith("M")){
fPDGHyp=-13; //muons
}else if(h.BeginsWith("pi") || h.BeginsWith("Pi") || h.BeginsWith("PI")){
fPDGHyp=211; //pions
}else if(h.BeginsWith("K") || h.BeginsWith("K")){
fPDGHyp=321; //kaons
}else if(h.BeginsWith("p") || h.BeginsWith("P") || h.BeginsWith("antip")){
fPDGHyp=2212; //protons/antiprotons
}else{
std::cout << "-I- PndRecoKalmanTask::SetParticleHypo: Not recognised PID set -> Using default MUON hypothesis" << std::endl;
fPDGHyp=-13; // Muon is default.
}
}
void PndRecoKalmanTask::SetParticleHypo(Int_t h)
{
switch (abs(h))
{
case 11:
fPDGHyp = -11;
break;
case 13:
fPDGHyp = -13;
break;
case 211:
fPDGHyp = 211;
break;
case 321:
fPDGHyp = 321;
break;
case 2212:
fPDGHyp = 2212;
break;
default:
std::cout << "-I- PndRecoKalmanTask::SetParticleHypo: Not recognised PID set -> Using default MUON hypothesis" << std::endl;
fPDGHyp = -13;
break;
}
}
ClassImp(PndRecoKalmanTask);