#include <L1TriggerOffline/BSCTriggerSimulation/src/BSCTrigger.cc>

Inheritance diagram for BSCTrigger:

Public Member Functions
	BSCTrigger (const edm::ParameterSet &)
	~BSCTrigger ()
Private Member Functions
virtual void	beginJob ()
virtual void	endJob ()
int	getBSCNum (int id, float z)
bool	isInner (int id)
bool	isZplus (int id)
virtual void	produce (edm::Event &, const edm::EventSetup &)
Private Attributes
std::vector< std::string >	names_
int	nevt_
unsigned	nEvt_
float	theCoincidence_
edm::InputTag	TheHits_tag_
int	theNinner_
int	theNouter_
float	theResolution_
std::vector< unsigned >	ttBits_

Detailed Description

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 45 of file BSCTrigger.cc.

Constructor & Destructor Documentation

BSCTrigger::BSCTrigger ( const edm::ParameterSet & iConfig ) [explicit]

Definition at line 81 of file BSCTrigger.cc.

References edm::ParameterSet::getParameter(), names_, nevt_, theCoincidence_, TheHits_tag_, theResolution_, and ttBits_.

{
  ttBits_=iConfig.getParameter< std::vector<unsigned> >("bitNumbers");
  names_= iConfig.getParameter< std::vector<std::string> >("bitNames");
  theCoincidence_= iConfig.getParameter<double>("coincidence");
  theResolution_= iConfig.getParameter<double>("resolution");
  TheHits_tag_= iConfig.getParameter<edm::InputTag>("theHits");
  produces<L1GtTechnicalTriggerRecord>();  
  nevt_=0;
}

BSCTrigger::~BSCTrigger ( )

Definition at line 93 of file BSCTrigger.cc.

{
 
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)

}

Member Function Documentation

void BSCTrigger::beginJob ( void ) [private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 243 of file BSCTrigger.cc.

{
}

void BSCTrigger::endJob ( void ) [private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 248 of file BSCTrigger.cc.

{
}

int BSCTrigger::getBSCNum	(	int	id,
		float	z
	)		`[private]`

Definition at line 251 of file BSCTrigger.cc.

References edm::isDebugEnabled(), LogTrace, and relativeConstraints::station.

Referenced by produce().

                                           {
  int zside = 0;
  if ( z > 0 ) zside = 1;
  if ( edm::isDebugEnabled() ) {
    int det    = (id&24)>>3;
    int station = id&7;
    LogTrace("BSCTrig")<<"id="<<id<<" zside="<<zside<<" det="<<det<<" station="<<station;
  }
  int BSCNum;
  if (id&16) BSCNum=32+(id&1)+(zside<<1) ;  // small paddles further from IP
  else BSCNum= (id&15)+(zside<<4);          // the BSC on the HF
  return BSCNum;
}

bool BSCTrigger::isInner ( int id ) [private]

Definition at line 265 of file BSCTrigger.cc.

Referenced by produce().

                                { 
  return ( (id&8)>>3 ) ;
}

bool BSCTrigger::isZplus ( int id ) [private]

Definition at line 269 of file BSCTrigger.cc.

Referenced by produce().

                                { 
  return ( (id&16)>>4 ) ;
}

void BSCTrigger::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		`[private, virtual]`

Implements edm::EDProducer.

Definition at line 107 of file BSCTrigger.cc.

References abs, MixCollection< T >::begin(), trackerHits::c, MixCollection< T >::end(), edm::HandleBase::failedToGet(), getBSCNum(), edm::Event::getByLabel(), i, edm::isDebugEnabled(), isInner(), isZplus(), LogDebug, LogTrace, names_, nevt_, convertSQLitetoXML_cfg::output, edm::Handle< T >::product(), edm::Event::put(), mathSSE::sqrt(), lumiQTWidget::t, theCoincidence_, TheHits_tag_, theResolution_, and ttBits_.

{
  std::vector<L1GtTechnicalTrigger> ttVec(ttBits_.size());
  std::vector<float>EnergyBX(32);
  std::vector<float>EnergyBXMinusDt(32);
  int ZMinnerBX=0, ZMouterBX=0;
  int ZPinnerBX=0, ZPouterBX=0;
  int ZMinnerBXMinusDt=0, ZMouterBXMinusDt=0;
  int ZPinnerBXMinusDt=0, ZPouterBXMinusDt=0;
  ++nevt_;
  std::auto_ptr<L1GtTechnicalTriggerRecord> BscRecord;
  float MipFraction=0.5;
  float MipEnergy=0.0027;
  float theThreshold=MipFraction*MipEnergy;

  edm::Handle<CrossingFrame<PSimHit> > cf;
  iEvent.getByLabel(TheHits_tag_, cf);
   
  if (!cf.failedToGet()) {
    for ( int c=0;c<32;++c){
      EnergyBX[c]=0;
      EnergyBXMinusDt[c]=0;
    }
    std::auto_ptr<MixCollection<PSimHit> > theBSCHitContainer( new MixCollection <PSimHit>(cf.product()));
    MixCollection<PSimHit>::MixItr itHit;
    float dt1,dt2;
    dt1=theCoincidence_/2 + theResolution_;
    dt2=theCoincidence_/2 - theResolution_;
    if ( edm::isDebugEnabled() ) LogDebug("BSCTrig")<<" ----------------new event ---with "<<theBSCHitContainer->size()<<" hits in the BSC";
    
    // collect total deposited energy in BSC segments -> EnergyBX[segment id], in GeV units ---------------------------------------------------------------
    for (itHit = theBSCHitContainer->begin(); itHit != theBSCHitContainer->end(); ++itHit) {
      float zh=itHit->entryPoint().z()/10;    
      int id=getBSCNum(itHit->detUnitId(),zh);
      if ( id > 31 ) continue;   // the small 2 paddles further from the IP
      float t=itHit->timeOfFlight();

      if ( edm::isDebugEnabled() ) {
        float rh=sqrt(itHit->entryPoint().x()*itHit->entryPoint().x()+itHit->entryPoint().y()*itHit->entryPoint().y())/10;    
        LogTrace("BSCTrig")<<" BSC Num "<<id<<" z="<<zh<<" isZplus="<<isZplus(id)<<" Hit DetId="<<getBSCNum(id,zh)<<" r="<<rh<<" isInner="<<isInner(id);
        LogTrace("BSCTrig")<<" Hit time="<<t<<" accepted range=["<<dt2<<","<<dt1<<"] from a "<<abs(itHit->particleType())<<" with energy " <<itHit->energyLoss();
      }
      if (fabs(t)> dt1 || fabs(t) <dt2 ) continue;
      if (t>0) EnergyBX[id]+=itHit->energyLoss();
      else EnergyBXMinusDt[id]+=itHit->energyLoss();    
    }

    // count number of segments hit in inner/outer and +z, -z ---------------------------------------------------------------------------------------------
    for ( unsigned int ipad = 0 ; ipad<32; ipad++) {
      if ( edm::isDebugEnabled() ) LogTrace("BSCTrig")<<" EnergyBX["<<ipad<<"]="<<EnergyBX[ipad];
      // hits after the bunch crossing
      if ( EnergyBX[ipad] > theThreshold ) {
        if ( isZplus(ipad)) {
          if ( isInner(ipad) ) ZPinnerBX++;
          else ZPouterBX++;
        } else {
          if ( isInner(ipad) ) ZMinnerBX++;
          else ZMouterBX++;     
        }
      } 
      // hits before the bunch crossing
      if ( EnergyBXMinusDt[ipad] > theThreshold ) {
        if ( isZplus(ipad)) {
          if ( isInner(ipad) ) ZPinnerBXMinusDt++;
          else ZPouterBXMinusDt++;
        } else {
          if ( isInner(ipad) ) ZMinnerBXMinusDt++;
          else ZMouterBXMinusDt++;      
        }
      } 
    }

    if ( edm::isDebugEnabled() ) LogTrace("BSCTrig")<<" Zplus I="<<ZPinnerBX<<" Zminus I="<<ZMinnerBX<<" Zplus O="<<ZPouterBX<<"  Zminus O="<<ZMouterBX;

    // minimum bias technical triggers that are also connected to 'external condition' triggers -----------------
    bool bit32=false;    // min bias inner >=1
    if(ZPinnerBX >= 1 && ZMinnerBX >= 1) bit32 = true;

    bool bit33=false;    // min bias inner >=2
    if(ZPinnerBX >= 2 && ZMinnerBX >= 2) bit33 = true;

    bool bit34=false;    // min bias OR
    if(ZPinnerBX + ZMinnerBX + ZPouterBX + ZMouterBX >= 1) bit34 = true;

    bool bit35=false;    // high multiplicity
    if(ZPinnerBX == 8 && ZMinnerBX == 8) bit35 = true;

    // beam halo technical triggers ----------------------------------------------------------------
    bool bit36=false;    // beam 2 halo inner
    if(ZPinnerBX >= 1 && ZMinnerBXMinusDt >= 1) bit36 = true;

    bool bit37=false;    // beam 2 halo outer
    if(ZPouterBX >= 1 && ZMouterBXMinusDt >= 1) bit37 = true;

    bool bit38=false;    // beam 1 halo inner
    if(ZMinnerBX >= 1 && ZPinnerBXMinusDt >= 1) bit38 = true;

    bool bit39=false;    // beam 1 halo outer
    if(ZMouterBX >= 1 && ZPouterBXMinusDt >= 1) bit39 = true;

    // minimum bias technical triggers ---------------------------------------------------------
    bool bit40=false;    // min bias all >=1
    if(ZPinnerBX + ZPouterBX >= 1 && ZMinnerBX + ZMouterBX >= 1) bit40 = true;

    bool bit41=false;    // min bias all >=2
    if(ZPinnerBX + ZPouterBX >= 2 && ZMinnerBX + ZMouterBX >= 2) bit41 = true;

    bool bit42=false;    // beam 1 splash (-z)
    if(ZMinnerBX >= 2) bit42 = true;

    bool bit43=false;    // beam 2 splash (+z)
    if(ZPinnerBX >= 2) bit43 = true;

    for ( unsigned i=0; i< ttBits_.size();++i ){
      bool bit = false;
      if ( names_.at(i) == names_[0] ) bit = bit32;
      if ( names_.at(i) == names_[1] ) bit = bit33;
      if ( names_.at(i) == names_[2] ) bit = bit34;
      if ( names_.at(i) == names_[3] ) bit = bit35;
      if ( names_.at(i) == names_[4] ) bit = bit36;
      if ( names_.at(i) == names_[5] ) bit = bit37;
      if ( names_.at(i) == names_[6] ) bit = bit38;
      if ( names_.at(i) == names_[7] ) bit = bit39;
      if ( names_.at(i) == names_[8] ) bit = bit40;
      if ( names_.at(i) == names_[9] ) bit = bit41;
      if ( names_.at(i) == names_[10]) bit = bit42;
      if ( names_.at(i) == names_[11]) bit = bit43;
      ttVec.at(i)=L1GtTechnicalTrigger(names_.at(i), ttBits_.at(i), 0, bit) ;
      if ( edm::isDebugEnabled() ) LogTrace("AnaBsc") << "bit: "<<ttBits_[i] << " VALUE:"<<bit ;
    }
  } else ttVec.clear();
  std::auto_ptr<L1GtTechnicalTriggerRecord> output(new L1GtTechnicalTriggerRecord());
  output->setGtTechnicalTrigger(ttVec);    
  iEvent.put(output);
}