PndRecoDafFit Class Reference

#include <PndRecoDafFit.h>

Inheritance diagram for PndRecoDafFit:

Public Member Functions
	PndRecoDafFit ()
	~PndRecoDafFit ()
void	SetGeane (Bool_t opt=kTRUE)
void	SetPropagateToIP (Bool_t opt=kTRUE)
void	SetPerpPlane (Bool_t opt=kTRUE)
void	SetNumIterations (Int_t num)
void	SetTrackRep (Int_t num)
void	SetVerbose (Int_t verb)
void	SetMvdBranchName (const TString &name)
void	SetCentralTrackerBranchName (const TString &name)
Bool_t	Init ()
PndTrack *	Fit (PndTrack *tBefore, Int_t PDG)

Private Member Functions
	ClassDef (PndRecoDafFit, 0)
	Verbose level. More...

Private Attributes
GFRecoHitFactory *	fTheRecoHitFactory
GFDaf	fGenFitter
FairGeanePro *	fPro
TString	fMvdBranchName
	Geane Propagator. More...
TString	fCentralTrackerBranchName
	Name of the TCA for MVD. More...
Bool_t	fUseGeane
	Name of the TCA for central tracker. More...
Bool_t	fPropagateToIP
	Flag to use Geane. More...
Bool_t	fPerpPlane
	Flag to propagate to the interaction point. More...
Int_t	fNumIt
	Flag to use as initial plane the one perpendicular to the track. More...
Short_t	fTrackRep
	Number of iterations. More...
Int_t	fVerbose
	(0) GeaneTrackRep, 1 RKTrackRep More...

Detailed Description

Definition at line 31 of file PndRecoDafFit.h.

Constructor & Destructor Documentation

PndRecoDafFit::PndRecoDafFit

(

)

Definition at line 66 of file PndRecoDafFit.cxx.

References PndGeoHandling::Instance().

                            : TNamed("Genfit", "Fit Tracks"),
                                      fMvdBranchName(""), fCentralTrackerBranchName(""),
                                      fUseGeane(kTRUE), fPropagateToIP(kTRUE), fPerpPlane(kFALSE), fNumIt(1), fTrackRep(0), fVerbose(0)
{
  PndGeoHandling::Instance();
}

PndRecoDafFit::~PndRecoDafFit

(

)

Definition at line 184 of file PndRecoDafFit.cxx.

{ }

Member Function Documentation

PndRecoDafFit::ClassDef ( PndRecoDafFit  , 0    )

private

Verbose level.

PndTrack * PndRecoDafFit::Fit	(	PndTrack *	tBefore,
		Int_t	PDG
	)

Definition at line 186 of file PndRecoDafFit.cxx.

References GFTrack::addHitVector(), Bool_t, GFRecoHitFactory::createMany(), fabs(), fGenFitter, fPerpPlane, fPro, fPropagateToIP, fTheRecoHitFactory, fTrackRep, fVerbose, GenfitTrack2PndTrack(), GFTrack::getCand(), GFTrack::getNumHits(), PndTrack::GetParamFirst(), PndTrack::GetTrackCand(), par, PndTrackCand2GenfitTrackCand(), GFDaf::processTrack(), GFTrack::setCandidate(), PndTrack::SetFlag(), GeaneTrackRep::setPropDir(), trk, and GFException::what().

Referenced by PndRecoKalmanTask::Exec().

{
  PndTrack* tAfter = NULL;
  if (fVerbose>0) std::cout<<"PndRecoDafFit::Fit"<<std::endl;
  if (fabs(tBefore->GetParamFirst().GetPz())<1e-9) 
    {
      tAfter = tBefore;
      tAfter->SetFlag(-10);
      return tAfter; // flag -10 : pz==0
    }
  
  Int_t  fCharge= tBefore->GetParamFirst().GetQ();
  Int_t PDGCode= PDG;
  TVector3 StartPos(tBefore->GetParamFirst().GetX(),tBefore->GetParamFirst().GetY(),tBefore->GetParamFirst().GetZ()); 
  TVector3 StartMom(tBefore->GetParamFirst().GetPx(),tBefore->GetParamFirst().GetPy(),tBefore->GetParamFirst().GetPz());
  TVector3 StartPosErr(tBefore->GetParamFirst().GetDX(),tBefore->GetParamFirst().GetDY(),tBefore->GetParamFirst().GetDZ()); 
  TVector3 StartMomErr(tBefore->GetParamFirst().GetDPx(),tBefore->GetParamFirst().GetDPy(),tBefore->GetParamFirst().GetDPz());
  
  GFAbsTrackRep* rep = 0;

  if (fPropagateToIP)
    { 
      // Calculating params at PCA to Origin
      FairTrackParP par = tBefore->GetParamFirst();
      Int_t ierr = 0;
      FairTrackParH *helix = new FairTrackParH(&par, ierr);
      FairGeanePro *fPro0 = new FairGeanePro();
      FairTrackParH *fRes= new FairTrackParH();
      fPro0->SetPoint(TVector3(0,0,0));
      fPro0->PropagateToPCA(1, -1);
      Bool_t rc =  fPro0->Propagate(helix, fRes, PDGCode);
      if (rc)
        {
          StartPos.SetXYZ(fRes->GetX(), fRes->GetY(), fRes->GetZ());
          StartMom.SetXYZ(fRes->GetPx(), fRes->GetPy(), fRes->GetPz());
          StartPosErr.SetXYZ(fRes->GetDX(), fRes->GetDY(), fRes->GetDZ());
          StartMomErr.SetXYZ(fRes->GetDPx(), fRes->GetDPy(), fRes->GetDPz());
        }
    }

  TVector3 plane_v1, plane_v2;
  if (fPerpPlane)
    {
      plane_v1 = StartMom.Orthogonal();
      plane_v2 = StartMom.Cross(plane_v1);
    }
  else
    {
      plane_v1.SetXYZ(1.,0.,0.);
      plane_v2.SetXYZ(0.,1.,0.);
    }
  GFDetPlane start_pl(StartPos, plane_v1, plane_v2);
  GFTrack* trk;
  if (fTrackRep==0)
    {
      GeaneTrackRep *grep = new GeaneTrackRep(fPro,
                                              start_pl,StartMom,
                                              StartPosErr,StartMomErr,
                                              fCharge,PDGCode);
      grep->setPropDir(1);
      rep = grep;
    }
  else if (fTrackRep==1)
    {
      RKTrackRep *grep = new RKTrackRep(StartPos, StartMom,
                                        StartPosErr, StartMomErr,
                                        PDGCode);
      rep = grep;
    }
  else
    {
      std::cout << "*** PndRecoDafFit::Fit" << "\t" << "Not existing Track Representation " << fTrackRep << std::endl;
      return NULL; // any smarted ideas?
    }
  
  trk= new GFTrack(rep);
  
  PndTrackCand trackCand = tBefore->GetTrackCand();
  trk->setCandidate(*PndTrackCand2GenfitTrackCand(&trackCand));
  
  // Load RecoHits
  try 
    {
      trk->addHitVector(fTheRecoHitFactory->createMany(trk->getCand()));
      if (fVerbose>0) std::cout<<trk->getNumHits()<<" hits in track " << std::endl;
    }
  catch(GFException& e)
    {
      std::cout << "*** PndRecoDafFit::Fit" << "\t" << "Genfit Exception: trk->addHitVector " << e.what() << std::endl;
      //throw e;
    }
  // Start Fitter
  try
    {
      fGenFitter.processTrack(trk);
    }
  catch (GFException& e)
    {
      std::cout<<"*** PndRecoDafFit::Fit" << "\t" << "FITTER EXCEPTION ***"<<std::endl;
      std::cout<<e.what()<<std::endl;
    }

  if (fVerbose>0) std::cout<<"*** PndRecoDafFit::Fit" << "\t" << "SUCCESSFULL FIT!"<<std::endl;
  
  try
    { 
      tAfter = (PndTrack*)GenfitTrack2PndTrack(trk);
    }
  catch (GFException e)
    {
      std::cout<<"*** PndRecoDafFit::Fit" << "\t" << "CONVERSION EXCEPTION ***"<<std::endl;
      std::cout<<e.what()<<std::endl;
      tAfter = tBefore;
      tAfter->SetFlag(-2); // flag -2: conversion failed
    } 

  if (fVerbose>0) std::cout<<"Fitting done"<<std::endl;

  return tAfter;
}

Bool_t PndRecoDafFit::Init

(

)

Definition at line 73 of file PndRecoDafFit.cxx.

References GFRecoHitFactory::addProducer(), fCentralTrackerBranchName, PndSttMapCreator::FillTubeArray(), fMvdBranchName, fPro, fTheRecoHitFactory, fTrackRep, fUseGeane, fVerbose, PndGeoSttPar::GetGeometryType(), GFFieldManager::getInstance(), GFFieldManager::init(), GFException::quiet(), and rtdb.

Referenced by PndRecoKalmanTask::Init().

{
  //Get ROOT Manager
  FairRootManager* ioman= FairRootManager::Instance();
  if(ioman==0)
    {
      Error("PndRecoDafFit::Init","RootManager not instantiated!");
      return kFALSE;
    }

  // STT map loading
  FairRuntimeDb* rtdb = FairRunAna::Instance()->GetRuntimeDb();
  PndGeoSttPar *sttParameters = (PndGeoSttPar*) rtdb->getContainer("PndGeoSttPar");
  TClonesArray *tubeArray = NULL;
  if(sttParameters->GetGeometryType() != -1) {
    PndSttMapCreator *mapper = new PndSttMapCreator(sttParameters);
    tubeArray = mapper->FillTubeArray();
  }

  // Build hit factory -----------------------------
  fTheRecoHitFactory = new GFRecoHitFactory();
  if (fVerbose<2) GFException::quiet(true);
  
  TClonesArray* stripar;  TClonesArray* pixelar;
  if (fMvdBranchName == "Mix")
    {
      stripar=(TClonesArray*) ioman->GetObject("MVDHitsStripMix");
      if(stripar!=0)
        {
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("MVDHitsStripMix"),new GFRecoHitProducer<PndSdsHit,PndSdsRecoHit>(stripar));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "MVDHitsStripMix array  found" << std::endl;
        }
      
      pixelar=(TClonesArray*) ioman->GetObject("MVDHitsPixelMix");
      if(pixelar!=0)
        { 
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("MVDHitsPixelMix"),new GFRecoHitProducer<PndSdsHit,PndSdsRecoHit>(pixelar));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "MVDHitsPixelMix array  found" << std::endl;
        }
    }
  else
    {
      stripar=(TClonesArray*) ioman->GetObject("MVDHitsStrip");
      if(stripar!=0)
        {
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("MVDHitsStrip"),new GFRecoHitProducer<PndSdsHit,PndSdsRecoHit>(stripar));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "MVDHitsStrip array  found" << std::endl;
        }
      
      pixelar=(TClonesArray*) ioman->GetObject("MVDHitsPixel");
      if(pixelar!=0)
        { 
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("MVDHitsPixel"),new GFRecoHitProducer<PndSdsHit,PndSdsRecoHit>(pixelar));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "MVDHitsPixel array  found" << std::endl;
        }
    }
  
  TClonesArray* sthit; //TClonesArray *sttr;   //[R.K. 01/2017] unused variable?

  if (fCentralTrackerBranchName == "Mix")
    {
      sthit=(TClonesArray*) ioman->GetObject("STTHitMix");
      if(sthit!=0)
        {
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("STTHitMix"),new PndSttRecoHitProducer<PndSttHit,PndSttRecoHit>(sthit, tubeArray));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "STTHitMix array  found" << std::endl;
        }
    }
  else
    {
      sthit=(TClonesArray*) ioman->GetObject("STTHit");
      if(sthit!=0)
        {
          fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("STTHit"),new PndSttRecoHitProducer<PndSttHit,PndSttRecoHit>(sthit, tubeArray));
          std::cout << "*** PndRecoDafFit::Init" << "\t" << "SttHit array  found" << std::endl;
        }
    }
  
  TClonesArray* gemar=(TClonesArray*) ioman->GetObject("GEMHit");
  if(gemar!=0)
    {
      fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("GEMHit"),new GFRecoHitProducer<PndGemHit,PndGemRecoHit>(gemar));
      std::cout << "*** PndRecoDafFit::Init" << "\t" << "GEMHit array  found" << std::endl;
    }
  
  TClonesArray* mdtar=(TClonesArray*) ioman->GetObject("MdtHit");
  if(mdtar!=0)
    {
      fTheRecoHitFactory->addProducer(FairRootManager::Instance()->GetBranchId("MdtHit"),new GFRecoHitProducer<PndMdtHit,PndMdtRecoHit>(mdtar));
      std::cout << "*** PndRecoDafFit::Init" << "\t" << "MdtHit array  found" << std::endl;
    }
  
  if (fUseGeane)
    {
      fPro = new FairGeanePro();
    }
  else
    {
      Error("PndRecoDafFit::Init","Only GEANE Propagatio available!!!");
      return kFALSE;
    }
  
  //fGenFitter.setNumIterations(fNumIt);
  if (fTrackRep==1) GFFieldManager::getInstance()->init(new PndGenfitField());
  
  std::cout << "===PndRecoDafFit::Init() finished ===================================================" << std::endl;

  return kTRUE;
}

void PndRecoDafFit::SetCentralTrackerBranchName ( const TString &  name )

inline

Definition at line 47 of file PndRecoDafFit.h.

References fCentralTrackerBranchName, and name.

Referenced by PndRecoKalmanTask::Init().

{ fCentralTrackerBranchName = name; }

void PndRecoDafFit::SetGeane ( Bool_t  opt = kTRUE )

inline

Definition at line 40 of file PndRecoDafFit.h.

References fUseGeane.

Referenced by PndRecoKalmanTask::Init().

{ fUseGeane = opt;     }

void PndRecoDafFit::SetMvdBranchName ( const TString &  name )

inline

Definition at line 46 of file PndRecoDafFit.h.

References fMvdBranchName, and name.

Referenced by PndRecoKalmanTask::Init().

{ fMvdBranchName = name; }

void PndRecoDafFit::SetNumIterations ( Int_t  num )

inline

Definition at line 43 of file PndRecoDafFit.h.

References fNumIt, and num.

{ fNumIt    = num;     } 

void PndRecoDafFit::SetPerpPlane ( Bool_t  opt = kTRUE )

inline

Definition at line 42 of file PndRecoDafFit.h.

References fPerpPlane.

Referenced by PndRecoKalmanTask::Init().

{ fPerpPlane = opt;    }

void PndRecoDafFit::SetPropagateToIP ( Bool_t  opt = kTRUE )

inline

Definition at line 41 of file PndRecoDafFit.h.

References fPropagateToIP.

Referenced by PndRecoKalmanTask::Init().

{ fPropagateToIP = opt;}

void PndRecoDafFit::SetTrackRep ( Int_t  num )

inline

Definition at line 44 of file PndRecoDafFit.h.

References fTrackRep, and num.

Referenced by PndRecoKalmanTask::Init().

{ fTrackRep    = num;  }

void PndRecoDafFit::SetVerbose ( Int_t  verb )

inline

Definition at line 45 of file PndRecoDafFit.h.

References fVerbose.

Referenced by PndRecoKalmanTask::Init().

{ fVerbose  = verb;    }

Member Data Documentation

TString PndRecoDafFit::fCentralTrackerBranchName

private

Name of the TCA for MVD.

Definition at line 61 of file PndRecoDafFit.h.

Referenced by Init(), and SetCentralTrackerBranchName().

GFDaf PndRecoDafFit::fGenFitter

private

Definition at line 56 of file PndRecoDafFit.h.

Referenced by Fit().

TString PndRecoDafFit::fMvdBranchName

private

Geane Propagator.

Definition at line 60 of file PndRecoDafFit.h.

Referenced by Init(), and SetMvdBranchName().

Int_t PndRecoDafFit::fNumIt

private

Flag to use as initial plane the one perpendicular to the track.

Definition at line 66 of file PndRecoDafFit.h.

Referenced by SetNumIterations().

Bool_t PndRecoDafFit::fPerpPlane

private

Flag to propagate to the interaction point.

Definition at line 65 of file PndRecoDafFit.h.

Referenced by Fit(), and SetPerpPlane().

FairGeanePro* PndRecoDafFit::fPro

private

Definition at line 58 of file PndRecoDafFit.h.

Referenced by Fit(), and Init().

Bool_t PndRecoDafFit::fPropagateToIP

private

Flag to use Geane.

Definition at line 64 of file PndRecoDafFit.h.

Referenced by Fit(), and SetPropagateToIP().

GFRecoHitFactory* PndRecoDafFit::fTheRecoHitFactory

private

Definition at line 55 of file PndRecoDafFit.h.

Referenced by Fit(), and Init().

Short_t PndRecoDafFit::fTrackRep

private

Number of iterations.

Definition at line 67 of file PndRecoDafFit.h.

Referenced by Fit(), Init(), and SetTrackRep().

Bool_t PndRecoDafFit::fUseGeane

private

Name of the TCA for central tracker.

Definition at line 63 of file PndRecoDafFit.h.

Referenced by Init(), and SetGeane().

Int_t PndRecoDafFit::fVerbose

private

(0) GeaneTrackRep, 1 RKTrackRep

Definition at line 68 of file PndRecoDafFit.h.

Referenced by Fit(), Init(), and SetVerbose().

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

• PndRecoDafFit.h
• PndRecoDafFit.cxx