L1MuDTTrackFinder.cc

Go to the documentation of this file.

//-------------------------------------------------
//
//   Class: L1MuDTTrackFinder
//
//   Description: L1 barrel Muon Trigger Track Finder
//
//
//
//   Author :
//   N. Neumeister            CERN EP
//   J. Troconiz              UAM Madrid
//
//--------------------------------------------------

//-----------------------
// This Class's Header --
//-----------------------

#include "L1Trigger/DTTrackFinder/interface/L1MuDTTrackFinder.h"

//---------------
// C++ Headers --
//---------------

#include <iostream>

//-------------------------------
// Collaborating Class Headers --
//-------------------------------

#include <DataFormats/Common/interface/Handle.h>
#include <FWCore/Framework/interface/Event.h>
#include "DataFormats/L1DTTrackFinder/interface/L1MuDTChambPhContainer.h"
#include "DataFormats/L1DTTrackFinder/interface/L1MuDTTrackCand.h"
#include "L1Trigger/DTTrackFinder/interface/L1MuDTTFConfig.h"
#include "L1Trigger/DTTrackFinder/interface/L1MuDTSecProcId.h"
#include "L1Trigger/DTTrackFinder/src/L1MuDTSecProcMap.h"
#include "L1Trigger/DTTrackFinder/src/L1MuDTSectorProcessor.h"
#include "L1Trigger/DTTrackFinder/src/L1MuDTEtaProcessor.h"
#include "L1Trigger/DTTrackFinder/src/L1MuDTWedgeSorter.h"
#include "L1Trigger/DTTrackFinder/src/L1MuDTMuonSorter.h"
#include "L1Trigger/DTTrackFinder/interface/L1MuDTTrack.h"

using namespace std;

//---------------------------------
//       class L1MuDTTrackFinder
//---------------------------------

//----------------
// Constructors --
//----------------

L1MuDTTrackFinder::L1MuDTTrackFinder(const edm::ParameterSet& ps, edm::ConsumesCollector&& iC) {
  // set configuration parameters
  if (not m_config) {
    auto temp = std::make_shared<L1MuDTTFConfig>(ps);
    std::shared_ptr<L1MuDTTFConfig> empty;
    std::atomic_compare_exchange_strong(&m_config, &empty, temp);
  }

  if (m_config->Debug(1))
    cout << endl;
  if (m_config->Debug(1))
    cout << "**** entering L1MuDTTrackFinder ****" << endl;
  if (m_config->Debug(1))
    cout << endl;

  m_spmap = new L1MuDTSecProcMap();
  m_epvec.reserve(12);
  m_wsvec.reserve(12);
  m_ms = nullptr;

  _cache.reserve(4 * 17);
  _cache0.reserve(144 * 17);

  m_DTDigiToken = iC.consumes<L1MuDTChambPhContainer>(m_config->getDTDigiInputTag());
}

//--------------
// Destructor --
//--------------

L1MuDTTrackFinder::~L1MuDTTrackFinder() {
  delete m_spmap;

  vector<L1MuDTEtaProcessor*>::iterator it_ep = m_epvec.begin();
  while (it_ep != m_epvec.end()) {
    delete (*it_ep);
    it_ep++;
  }
  m_epvec.clear();

  vector<L1MuDTWedgeSorter*>::iterator it_ws = m_wsvec.begin();
  while (it_ws != m_wsvec.end()) {
    delete (*it_ws);
    it_ws++;
  }
  m_wsvec.clear();

  delete m_ms;
}

//--------------
// Operations --
//--------------

//
// setup MTTF configuration
//
void L1MuDTTrackFinder::setup(edm::ConsumesCollector&& iC) {
  // build the barrel Muon Trigger Track Finder

  if (m_config->Debug(1))
    cout << endl;
  if (m_config->Debug(1))
    cout << "**** L1MuDTTrackFinder building ****" << endl;
  if (m_config->Debug(1))
    cout << endl;

  // create new sector processors
  for (int wh = -3; wh <= 3; wh++) {
    if (wh == 0)
      continue;
    for (int sc = 0; sc < 12; sc++) {
      L1MuDTSecProcId tmpspid(wh, sc);
      L1MuDTSectorProcessor* sp = new L1MuDTSectorProcessor(*this, tmpspid, std::move(iC));
      if (m_config->Debug(2))
        cout << "creating " << tmpspid << endl;
      m_spmap->insert(tmpspid, sp);
    }
  }

  // create new eta processors and wedge sorters
  for (int sc = 0; sc < 12; sc++) {
    L1MuDTEtaProcessor* ep = new L1MuDTEtaProcessor(*this, sc, std::move(iC));
    if (m_config->Debug(2))
      cout << "creating Eta Processor " << sc << endl;
    m_epvec.push_back(ep);
    L1MuDTWedgeSorter* ws = new L1MuDTWedgeSorter(*this, sc);
    if (m_config->Debug(2))
      cout << "creating Wedge Sorter " << sc << endl;
    m_wsvec.push_back(ws);
  }

  // create new muon sorter
  if (m_config->Debug(2))
    cout << "creating DT Muon Sorter " << endl;
  m_ms = new L1MuDTMuonSorter(*this);
}

//
// run MTTF
//
void L1MuDTTrackFinder::run(const edm::Event& e, const edm::EventSetup& c) {
  // run the barrel Muon Trigger Track Finder

  edm::Handle<L1MuDTChambPhContainer> dttrig;
  e.getByToken(m_DTDigiToken, dttrig);
  if (dttrig->getContainer()->empty())
    return;

  if (m_config->Debug(2))
    cout << endl;
  if (m_config->Debug(2))
    cout << "**** L1MuDTTrackFinder processing ****" << endl;
  if (m_config->Debug(2))
    cout << endl;

  int bx_min = m_config->getBxMin();
  int bx_max = m_config->getBxMax();

  for (int bx = bx_min; bx <= bx_max; bx++) {
    if (dttrig->bxEmpty(bx))
      continue;

    if (m_config->Debug(2))
      cout << "L1MuDTTrackFinder processing bunch-crossing : " << bx << endl;

    // reset MTTF
    reset();

    // run sector processors
    L1MuDTSecProcMap::SPmap_iter it_sp = m_spmap->begin();
    while (it_sp != m_spmap->end()) {
      if (m_config->Debug(2))
        cout << "running " << (*it_sp).second->id() << endl;
      if ((*it_sp).second)
        (*it_sp).second->run(bx, e, c);
      if (m_config->Debug(2) && (*it_sp).second)
        (*it_sp).second->print();
      it_sp++;
    }

    // run eta processors
    vector<L1MuDTEtaProcessor*>::iterator it_ep = m_epvec.begin();
    while (it_ep != m_epvec.end()) {
      if (m_config->Debug(2))
        cout << "running Eta Processor " << (*it_ep)->id() << endl;
      if (*it_ep)
        (*it_ep)->run(bx, e, c);
      if (m_config->Debug(2) && *it_ep)
        (*it_ep)->print();
      it_ep++;
    }

    // read sector processors
    it_sp = m_spmap->begin();
    while (it_sp != m_spmap->end()) {
      if (m_config->Debug(2))
        cout << "reading " << (*it_sp).second->id() << endl;
      for (int number = 0; number < 2; number++) {
        const L1MuDTTrack* cand = (*it_sp).second->tracK(number);
        if (cand && !cand->empty())
          _cache0.push_back(L1MuDTTrackCand(cand->getDataWord(),
                                            cand->bx(),
                                            cand->spid().wheel(),
                                            cand->spid().sector(),
                                            number,
                                            cand->address(1),
                                            cand->address(2),
                                            cand->address(3),
                                            cand->address(4),
                                            cand->tc()));
      }
      it_sp++;
    }

    // run wedge sorters
    vector<L1MuDTWedgeSorter*>::iterator it_ws = m_wsvec.begin();
    while (it_ws != m_wsvec.end()) {
      if (m_config->Debug(2))
        cout << "running Wedge Sorter " << (*it_ws)->id() << endl;
      if (*it_ws)
        (*it_ws)->run();
      if (m_config->Debug(2) && *it_ws)
        (*it_ws)->print();
      it_ws++;
    }

    // run muon sorter
    if (m_config->Debug(2))
      cout << "running DT Muon Sorter" << endl;
    if (m_ms)
      m_ms->run();
    if (m_config->Debug(2) && m_ms)
      m_ms->print();

    // store found track candidates in container (cache)
    if (m_ms->numberOfTracks() > 0) {
      const vector<const L1MuDTTrack*>& mttf_cont = m_ms->tracks();
      vector<const L1MuDTTrack*>::const_iterator iter;
      for (iter = mttf_cont.begin(); iter != mttf_cont.end(); iter++) {
        if (*iter)
          _cache.push_back(L1MuRegionalCand((*iter)->getDataWord(), (*iter)->bx()));
      }
    }
  }
}

//
// reset MTTF
//
void L1MuDTTrackFinder::reset() {
  L1MuDTSecProcMap::SPmap_iter it_sp = m_spmap->begin();
  while (it_sp != m_spmap->end()) {
    if ((*it_sp).second)
      (*it_sp).second->reset();
    it_sp++;
  }

  vector<L1MuDTEtaProcessor*>::iterator it_ep = m_epvec.begin();
  while (it_ep != m_epvec.end()) {
    if (*it_ep)
      (*it_ep)->reset();
    it_ep++;
  }

  vector<L1MuDTWedgeSorter*>::iterator it_ws = m_wsvec.begin();
  while (it_ws != m_wsvec.end()) {
    if (*it_ws)
      (*it_ws)->reset();
    it_ws++;
  }

  if (m_ms)
    m_ms->reset();
}

//
// return Sector Processor container
//
const L1MuDTSectorProcessor* L1MuDTTrackFinder::sp(const L1MuDTSecProcId& id) const { return m_spmap->sp(id); }

//
// return number of muon candidates found by the barrel MTTF
//
int L1MuDTTrackFinder::numberOfTracks() { return _cache.size(); }

L1MuDTTrackFinder::TFtracks_const_iter L1MuDTTrackFinder::begin() { return _cache.begin(); }

L1MuDTTrackFinder::TFtracks_const_iter L1MuDTTrackFinder::end() { return _cache.end(); }

void L1MuDTTrackFinder::clear() {
  _cache.clear();
  _cache0.clear();
}

//
// return number of muon candidates found by the barrel MTTF at a given bx
//
int L1MuDTTrackFinder::numberOfTracks(int bx) {
  int number = 0;
  for (TFtracks_const_iter it = _cache.begin(); it != _cache.end(); it++) {
    if ((*it).bx() == bx)
      number++;
  }

  return number;
}

// static data members

std::shared_ptr<L1MuDTTFConfig> L1MuDTTrackFinder::m_config;