MdcMergeDups Class Reference

#include <MdcMergeDups.h>

Inheritance diagram for MdcMergeDups:

Public Member Functions
	MdcMergeDups (const std::string &name, ISvcLocator *pSvcLocator)
virtual	~MdcMergeDups ()
StatusCode	initialize ()
StatusCode	execute ()
StatusCode	finalize ()
StatusCode	beginRun ()
int	mergeDups (void)
int	mergeCurl (void)
int	testByOverlapHit (RecMdcTrack *refTk, RecMdcTrack *testTk)
int	testByParam (RecMdcTrack *refTk, RecMdcTrack *testTk)
int	doMergeLong (std::vector< RecMdcTrack * > mergeTkList)
int	doMergeCurl (std::vector< RecMdcTrack * > mergeTkList)
void	store (TrkRecoTrk *aTrack)
bool	eraseTdsTrack (RecMdcTrackCol::iterator tk)
void	dumpRecMdcTrack ()

Detailed Description

Definition at line 46 of file MdcMergeDups.h.

Constructor & Destructor Documentation

MdcMergeDups()

MdcMergeDups::MdcMergeDups	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

Definition at line 60 of file MdcMergeDups.cxx.

                                                                          :
  Algorithm(name, pSvcLocator)
{
  declareProperty("debug",      m_debug = 0);
  //cuts for mergeDups()
  declareProperty("maxDd0InMerge",  m_maxDd0InMerge = 2.7);
  declareProperty("maxDphi0InMerge",    m_maxDphi0InMerge = 0.15);
  declareProperty("maxDPdradInMerge",   m_maxPdradInMerge= 0.22);
  declareProperty("maxRcsInMerge",  m_maxRcsInMerge = 18.);
  //cuts for mergeCurl()
  declareProperty("mergePt",        m_mergePt = 0.13);
  declareProperty("mergeLoadAx",    m_mergeLoadAx = 3.);
  declareProperty("mergeLoadSt",    m_mergeLoadSt = 4.);
  declareProperty("mergeOverlapRatio",  m_mergeOverlapRatio = 0.7);
}

~MdcMergeDups()

MdcMergeDups::~MdcMergeDups ( )

virtual

Definition at line 79 of file MdcMergeDups.cxx.

                            {
  delete m_bfield;
}

Member Function Documentation

beginRun()

StatusCode MdcMergeDups::beginRun

(

)

Definition at line 83 of file MdcMergeDups.cxx.

                                 {  
  //Detector geometry 
  m_gm = MdcDetector::instance();
  if(NULL == m_gm) return StatusCode::FAILURE;
  return StatusCode::SUCCESS;
}

doMergeCurl()

int MdcMergeDups::doMergeCurl

(

std::vector< RecMdcTrack * >

mergeTkList

)

Definition at line 408 of file MdcMergeDups.cxx.

                                                                {
  //-------------------------------------------------------------------
  int innerMostTkId = 999;
  RecMdcTrack* innerMostTk = NULL;
  unsigned innerMostLayerOfTk = 999;
  std::vector<RecMdcTrack*>::iterator itTk = mergeTkList.begin();
  for (int iTk=0; itTk != mergeTkList.end(); itTk++,iTk++){
    RecMdcTrack* tk = (*itTk);
    unsigned innerMostLayer = 999;
    for (unsigned iHit = 0; iHit < tk->getVecHits().size(); iHit++) {
      unsigned layer = MdcID::layer(tk->getVecHits()[iHit]->getMdcId());
      if (layer < innerMostLayer) innerMostLayer=layer; 
    }
 
    if(m_debug>0)std::cout<<__FILE__<<" to be merged track id="<<tk->trackId()<<  std::endl;
    // test inner most layer id; if same, test dz
    if(innerMostLayer < innerMostLayerOfTk){
      innerMostTkId = iTk;
      innerMostTk = tk;
    }else if (innerMostLayer == innerMostLayerOfTk) {
      // test by dz
      if (tk->helix(3) < innerMostTk->helix(3)){
    innerMostTkId = iTk;
    innerMostTk = tk;
      }
    }
  }//end of for mergeTkList
  innerMostTk->setStat(-1);
 
  return innerMostTkId;
}

Referenced by mergeCurl().

doMergeLong()

int MdcMergeDups::doMergeLong

(

std::vector< RecMdcTrack * >

mergeTkList

)

Definition at line 271 of file MdcMergeDups.cxx.

                                                                {
  //-------------------------------------------------------------------
  //merge hitlist
  double minRcs=999.;
  int bestTkId=999;
  RecMdcTrack* bestTk=NULL;
  std::vector<RecMdcTrack*>::iterator itTk = mergeTkList.begin();
  for (int iTk=0; itTk != mergeTkList.end(); itTk++,iTk++){
    RecMdcTrack* tk = (*itTk);
    double chi2 = tk->chi2();
    double ndf  = tk->ndof();
    if(chi2/ndf < minRcs) {
      bestTkId = tk->trackId(); 
      bestTk = tk;
    }
  }
  if (minRcs < m_maxRcsInMerge) return bestTkId;
  bestTk->setStat(-1);
 
  return 999;
  //FIXME
  /*
  //fit with track parameter respectively
  MdcxFittedHel fit1(dcxhlist, *iptr);
  MdcxFittedHel fit2(dcxhlist, *trkl[j]); 
  int uf = 0; 
  //get a best fit 
  if ( !fit1.Fail() && (fit1.Rcs()<m_maxRcsInMerge) ) uf = 1; 
  if ( !fit2.Fail() && (fit2.Rcs()<fit1.Rcs()) ) uf = 2;
 
  if (uf) {//two fit all ok
  //delete bad track
  MdcxHel fitme = (uf == 1) ? fit1 : fit2;
  }
  */
}

Referenced by mergeCurl().

dumpRecMdcTrack()

void MdcMergeDups::dumpRecMdcTrack

(

)

Definition at line 471 of file MdcMergeDups.cxx.

                                  {
  SmartDataPtr<RecMdcTrackCol> trackList(eventSvc(),EventModel::Recon::RecMdcTrackCol);
  if (!trackList) return;
  if (trackList->size() != 4 ) setFilterPassed(true);
  std::cout<<"N track after Merged = "<<trackList->size() << std::endl;
  if (m_debug <=1) return;
  RecMdcTrackCol::iterator it = trackList->begin();
  for (;it!= trackList->end();it++){
    RecMdcTrack *tk = *it;
    std::cout<< "//====RecMdcTrack "<<tk->trackId()<<"====:" << std::endl;
    cout <<" d0 "<<tk->helix(0)
      <<" phi0 "<<tk->helix(1)
      <<" cpa "<<tk->helix(2)
      <<" z0 "<<tk->helix(3)
      <<" tanl "<<tk->helix(4)
      <<endl;
    std::cout<<" q "<<tk->charge() 
      <<" theta "<<tk->theta()
      <<" phi "<<tk->phi()
      <<" x0 "<<tk->x()
      <<" y0 "<<tk->y()
      <<" z0 "<<tk->z()
      <<" r0 "<<tk->r()
      <<endl;
    std::cout <<" p "<<tk->p()
      <<" pt "<<tk->pxy()
      <<" px "<<tk->px()
      <<" py "<<tk->py()
      <<" pz "<<tk->pz()
      <<endl;
    std::cout<<" tkStat "<<tk->stat()
      <<" chi2 "<<tk->chi2()
      <<" ndof "<<tk->ndof()
      <<" nhit "<<tk->getNhits()
      <<" nst "<<tk->nster()
      <<endl;
    //std::cout<< "errmat   " << std::endl;
    //for (int i=0; i<15; i++){ std::cout<< " "<<tk->err(i); }
    //std::cout<< "   " << std::endl;
 
    int nhits = tk->getVecHits().size();
    std::cout<<nhits <<" Hits: " << std::endl;
    for(int ii=0; ii <nhits ; ii++){
      Identifier id(tk->getVecHits()[ii]->getMdcId());
      int layer = MdcID::layer(id);
      int wire = MdcID::wire(id);
      cout<<"("<< layer <<","<<wire<<","<<tk->getVecHits()[ii]->getStat()
    <<",lr:"<<tk->getVecHits()[ii]->getFlagLR()<<") ";
    }//end of hit list
    std::cout << "  "<< std::endl;
  }//end of tk list
  std::cout << "  "<< std::endl;
}

Referenced by execute().

eraseTdsTrack()

bool MdcMergeDups::eraseTdsTrack

(

RecMdcTrackCol::iterator

tk

)

Definition at line 456 of file MdcMergeDups.cxx.

                                                         {
  SmartDataPtr<RecMdcTrackCol> trackList(eventSvc(),EventModel::Recon::RecMdcTrackCol);
  if (!trackList) return false;
  SmartDataPtr<RecMdcHitCol> hitList(eventSvc(),EventModel::Recon::RecMdcHitCol);
  if (!hitList) return false;
  HitRefVec hits = (*tk)->getVecHits();
  HitRefVec::iterator iterHit = hits.begin();
  for (; iterHit != hits.end(); iterHit++) {
    //hitList->erase(iterHit);
  }
  trackList->erase(tk);
  return true;
}

Referenced by mergeCurl().

execute()

StatusCode MdcMergeDups::execute

(

)

Definition at line 112 of file MdcMergeDups.cxx.

                                 {
  MsgStream log(msgSvc(), name());
  log << MSG::INFO << "in execute()" << endreq;
  setFilterPassed(false); 
 
  m_bunchT0 = -999.;
  SmartDataPtr<RecEsTimeCol> aevtimeCol(eventSvc(),"/Event/Recon/RecEsTimeCol");
  if (!aevtimeCol || aevtimeCol->size()==0) {
    log << MSG::WARNING<< " Could not find RecEsTimeCol"<< endreq;
    return StatusCode::SUCCESS;
  }
 
  RecEsTimeCol::iterator iter_evt = aevtimeCol->begin();
  for(; iter_evt!=aevtimeCol->end(); iter_evt++){
    m_bunchT0 =  (*iter_evt)->getTest();
  }
 
 
  int nMerged = mergeCurl();
 
  if(m_debug>0) {
    std::cout<<name()<<": Merged "<<nMerged << " track "<<  std::endl;
    dumpRecMdcTrack();
  }
 
  return StatusCode::SUCCESS;   
}

finalize()

StatusCode MdcMergeDups::finalize

(

)

Definition at line 141 of file MdcMergeDups.cxx.

                                 {  
  MsgStream log(msgSvc(), name());
  log << MSG::INFO << "in finalize()" << endreq;    
 
  return StatusCode::SUCCESS;   
}

initialize()

StatusCode MdcMergeDups::initialize

(

)

Definition at line 93 of file MdcMergeDups.cxx.

                                   {  
  MsgStream log(msgSvc(), name());
  log << MSG::INFO << "in initialize()" << endreq;  
  StatusCode sc;
 
 
  //Initailize magnetic filed 
  IMagneticFieldSvc* m_pIMF;
  sc = service ("MagneticFieldSvc",m_pIMF);
  if(sc != StatusCode::SUCCESS) {
    log << MSG::ERROR << "Unable to open Magnetic field service"<<endreq;
    return StatusCode::FAILURE;
  }
  m_bfield = new BField(m_pIMF);
 
  return StatusCode::SUCCESS;   
}

mergeCurl()

int MdcMergeDups::mergeCurl

(

void

)

Definition at line 150 of file MdcMergeDups.cxx.

                           {
  //-------------------------------------------------------------------
 
  SmartDataPtr<RecMdcTrackCol> trackList(eventSvc(),EventModel::Recon::RecMdcTrackCol);
  if (!trackList) return -1;
 
  int needMerge = 0;
 
  //...Merging. Search a track to be merged...
  RecMdcTrackCol::iterator iterRefTk = trackList->begin();
  for (; iterRefTk != trackList->end(); iterRefTk++) {
    RecMdcTrack* refTk = *iterRefTk;
    if (refTk->stat()<0) continue;
    std::vector<RecMdcTrack*> mergeTkList;
    mergeTkList.push_back(refTk);
 
 
    bool curl = false;
    int sameParm = 0;
    RecMdcTrackCol::iterator iterTestTk = trackList->begin();
    for (; iterTestTk != trackList->end(); iterTestTk++) {
      RecMdcTrack* testTk = *iterTestTk;
      if (iterRefTk == iterTestTk || (testTk->stat()<0)) continue;
 
      //-- overlapRatio cut 0.7 by jialk, original is 0.8
      if (testByOverlapHit(refTk,testTk)){
    if(m_debug>0)std::cout<<__FILE__<<" overlape tk:" <<refTk->trackId()<<" with "<<testTk->trackId()<<  std::endl;
    mergeTkList.push_back(testTk);
    curl = true;
      }
      sameParm = testByParam(refTk,testTk);
      if(sameParm >0) {
    if(m_debug>0) std::cout<<__FILE__<<" same param tk:" <<refTk->trackId()<<" with "<<testTk->trackId()<<  std::endl;
    mergeTkList.push_back(testTk);
      }
    } 
    if (mergeTkList.size()>1 && curl) needMerge = doMergeCurl(mergeTkList); 
    if ((needMerge < 999) && mergeTkList.size()>1 ) needMerge = doMergeLong(mergeTkList); 
    //if ((needMerge <999) && mergeTkList.size()==2 && (sameParm==2) ) needMerge = doMergeOdd(mergeTkList); //FIXME
  }
 
  //return 0 if No track need merged
  if( needMerge <=0 ) return 0;
 
  // reset track Id
  iterRefTk = trackList->begin();
  int iTk=0;
  int nDeleted = 0;
  for (; iterRefTk != trackList->end(); ) {
    if ( (*iterRefTk)->stat() >= 0 ){
      (*iterRefTk)->setTrackId(iTk);
      iterRefTk++;
      iTk++;
    }else {
      int id = (*iterRefTk)->trackId();
      bool erased = eraseTdsTrack(iterRefTk);
      if ( erased ){ 
    nDeleted++;
    if(m_debug>0)std::cout<<__FILE__<<" erase track No."<<id<<  std::endl;
      }else {
    if(m_debug>0)std::cout<<__FILE__<<" erase failed !"<<  std::endl;
      }
    }
 
  }
  if(m_debug>0) std::cout<<__FILE__<<" After merge save "<<iTk<<" tracks"<<  std::endl;
 
  return nDeleted;
}

Referenced by execute().

mergeDups()

int MdcMergeDups::mergeDups

(

void

)

store()

void MdcMergeDups::store

(

TrkRecoTrk *

aTrack

)

Definition at line 440 of file MdcMergeDups.cxx.

                                          {
  SmartDataPtr<RecMdcTrackCol> trackList(eventSvc(),EventModel::Recon::RecMdcTrackCol);
  if (!trackList) return;
  SmartDataPtr<RecMdcHitCol> hitList(eventSvc(),EventModel::Recon::RecMdcHitCol);
  if (!hitList) return;
 
  assert (aTrack != NULL);
  TrkExchangePar helix = aTrack->fitResult()->helix(0.);
 
  if(m_debug>1)std::cout<<__FILE__<<" STORED"<<  std::endl;
  MdcTrack mdcTrack(aTrack);//aTrack have been deleted in ~MdcTrack() 
  //tkStat: 0,Tsf 1,CurlFinder 2,PatRec 3,MdcxReco 4,MergeCurl
  int tkStat = 4;
  mdcTrack.storeTrack(-1, trackList, hitList, tkStat);
} 

testByOverlapHit()

int MdcMergeDups::testByOverlapHit	(	RecMdcTrack *	refTk,
		RecMdcTrack *	testTk )

Definition at line 349 of file MdcMergeDups.cxx.

                                                                         {
  //-------------------------------------------------------------------
  int overlaped = 0;
  if ((testTk->pxy() >= m_mergePt) || (refTk->pxy() >= m_mergePt)) return overlaped;
 
  HitRefVec testHits = testTk->getVecHits();
  int nHit = testHits.size();
  int nOverlap = 0;
 
  HitRefVec::iterator iterHit = testHits.begin();
  for (; iterHit != testHits.end(); iterHit++) {
    RecMdcHit* hit = *iterHit;
 
    //-- load for Axial and Stereo layer are 3,4 by jialk, original is 2,3
    double load = m_mergeLoadAx; 
    bool isStLayer = (m_gm->Layer(MdcID::layer(hit->getMdcId()))->view() != 0);
    if(isStLayer) load = m_mergeLoadSt;
 
    //helix parameters
    double vx0  = refTk->getVX0();
    double vy0  = refTk->getVY0();
    double vz0  = refTk->getVZ0();
    double dr   = refTk->helix(0);
    double phi0 = refTk->helix(1);
    double Bz = m_bfield->bFieldZ();
    double r    = 10000./ (Constants::c * Bz*refTk->helix(2));
    double dz   = refTk->helix(3);
    double tanl = refTk->helix(4);
 
    //center of circle
    double xc = vx0 + (dr + r) * cos(phi0);
    double yc = vy0 + (dr + r) * sin(phi0);
 
    //position of hit
    double zHit = hit->getZhit();
    double phi  = (vz0 + dz - zHit) / (r * tanl);
    double xHit = vx0 + dr*cos(phi0) + r*(cos(phi0) - cos(phi0+phi));
    double yHit = vy0 + dr*sin(phi0) + r*(sin(phi0) - sin(phi0+phi));
 
    //distance from center of circle to hit
    double dx = xc - xHit;
    double dy = yc - yHit;
    double dHit2Center = sqrt(dx * dx + dy * dy);
    double rTk = fabs(r);
 
    //is this hit overlaped ? 
    if ( (dHit2Center>(rTk - load)) && (dHit2Center<(rTk + load))) nOverlap++;
  }
 
  if ( nOverlap<=0 ) return overlaped;
 
  double overlapRatio = double(nOverlap) / double(nHit);
 
  if (overlapRatio > m_mergeOverlapRatio) overlaped = 1;
 
  return overlaped;
}

Referenced by mergeCurl().

testByParam()

int MdcMergeDups::testByParam	(	RecMdcTrack *	refTk,
		RecMdcTrack *	testTk )

Definition at line 223 of file MdcMergeDups.cxx.

                                                                    {
  //-------------------------------------------------------------------
  int overlaped = 0;
 
 
  //Convert to Babar track convension
  double Bz = m_bfield->bFieldZ();
  double omega1 = (Constants::c * Bz*refTk->helix(2))/10000.;
  double omega2 = (Constants::c * Bz*testTk->helix(2))/10000.;
  //phi0_babar = phi0_belle + pi/2   [0,2pi)
  double phi01  = refTk->helix(1)+Constants::pi/2.;
  double phi02  = testTk->helix(1)+Constants::pi/2.;
  while(phi01>Constants::twoPi) phi01 -= Constants::twoPi;
  while(phi02>Constants::twoPi) phi02 -= Constants::twoPi;
  double d01    = -refTk->helix(0);
  double d02    = -testTk->helix(0);
  double dphi0  = fabs(phi01 - phi02);
  double dd0    = fabs(d01 - d02);
  double prodo  = omega1*omega2;
  double r1=100000.;
  double r2=100000.;
  if (fabs(omega1)>0.00001) r1 = 1.0/fabs(omega1);
  if (fabs(omega2)>0.00001) r2 = 1.0/fabs(omega2); //FIXME
  double pdrad = fabs((r1-r2)/(r1+r2)) ;
 
  if (2==m_debug){
    std::cout << "  fabs(d01 - d02)  " << fabs(d01 - d02) << std::endl;
    std::cout << "  fabs(phi01-phi02)  " << fabs(phi01-phi02) << std::endl;
  }
  //  Try to merge pair that looks like duplicates (same charge)
  if ( (prodo > 0.) && (dd0 < m_maxDd0InMerge) && (dphi0 < m_maxDphi0InMerge) &&
      (pdrad < m_maxPdradInMerge)) {
    overlaped = 1;
  }
 
  //  Try to merge pair that looks like albedo (opp charge, large d0)
  if ( (prodo < 0.) && (fabs(d01+d02) < 4.0) && (dd0 > 47.0) &&
      (fabs( dphi0 - Constants::pi) < m_maxDphi0InMerge) 
      && (pdrad < m_maxPdradInMerge)) {
    overlaped = 2;
  }
 
  return overlaped;
}

Referenced by mergeCurl().

---

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

• MdcMergeDups.h
• MdcMergeDups.cxx