DTTracoChip.cc

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//-------------------------------------------------------------
//
//   Class: DTTracoChip
//
//   Description: Implementation of TRACO
//                trigger algorithm
//
//
//   Author List:
//   SV 4/II/2003
//   Modifications:
//   22/VI/04 SV : last trigger code update
//   16/I/07  SV : new DTConfig update
//   3/IV/07  SV : setTracoAcceptance moved from card to chip
//   30/10/09 SV : lut parameters from DB are used in code
//   110208 SV   : TRACO hardware bug included
//------------------------------------------------------------

//-----------------------
// This Class's Header --
//-----------------------
#include "L1Trigger/DTTraco/interface/DTTracoChip.h"

//-------------------------------
// Collaborating Class Headers --
//-------------------------------
#include "L1Trigger/DTBti/interface/DTBtiTrigData.h"
#include "L1Trigger/DTTraco/interface/DTTracoCand.h"
#include "L1Trigger/DTTraco/interface/DTTracoCard.h"
#include "L1Trigger/DTTraco/interface/DTTracoTrig.h"
#include "L1Trigger/DTTraco/interface/DTTracoTrigData.h"
#include "L1Trigger/DTTriggerServerTheta/interface/DTTSTheta.h"
#include "L1TriggerConfig/DTTPGConfig/interface/BitArray.h"

//---------------
// C++ Headers --
//---------------
#include <algorithm>
#include <cmath>
#include <iostream>
#include <string>

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

DTTracoChip::DTTracoChip(DTTracoCard *card, int n, DTConfigTraco *conf) : _card(card), _config(conf) {
  _geom = _card->geom();

  // n=traco number 1,2,...
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip constructor called for TRACO number " << n << std::endl;
  }

  // set acceptances from CMSSW geometry
  setTracoAcceptances();

  // reserve the appropriate amount of space for vectors
  int i = 0;
  for (i = 0; i < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF; i++) {
    _innerCand[i].reserve(DTConfigTraco::NBTITC);
    _outerCand[i].reserve(3 * DTConfigTraco::NBTITC);
    _tracotrig[i].reserve(2);
  }

  // the identifier
  DTChamberId sid = _geom->statId();
  _id = DTTracoId(sid, n);

  // Flags for LTS
  _bxlts.zero();
  for (int is = 0; is < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF + 1; is++) {
    _flag[is].zero();
  }

  // debugging
  if (config()->debug() == 4) {
    std::cout << "CMS position:" << CMSPosition() << std::endl;
    std::cout << " psiRad=" << psiRad() << " KRad=" << KRad() << std::endl;
  }

  // init traco parameters from traco config file
  _krad = config()->KRAD();
  _btic = config()->BTIC();

  // offset from geometry (x1-x3 FE view): converted from cm to ST units (0.9999
  // for rounding)
  _ibtioff = static_cast<int>(config()->BTIC() / (_geom->cellPitch()) * (_geom->phiSLOffset() / 0.9999));

  // 091030 SV lut parameters from DB
  // SV 08/12/12 : added flag for computing luts from DB parameters
  if (_card->lutFromDBFlag() == 1) {
    // int board = int( (n-1)/4 );
    // int traco = int(fmod( double(n-1),4.));
    // 110208 SV for TRACO hardware bug included SL_shift
    // SL shift
    float xBTI1_3 = _geom->localPosition(DTBtiId(DTSuperLayerId(sid.wheel(), sid.station(), sid.sector(), 3), 1)).x();
    float xBTI1_1 = _geom->localPosition(DTBtiId(DTSuperLayerId(sid.wheel(), sid.station(), sid.sector(), 1), 1)).x();
    float SL_shift = xBTI1_3 - xBTI1_1;

    _lutsCCB = new Lut(_card->config_luts(), n, SL_shift);
    _luts = nullptr;
  } else
  // this is always the case with new DTConfig SV 15/I/2007
  // if( config()->trigSetupGeom()==0 ){
  {
    _luts = nullptr;
    _lutsCCB = nullptr;
  }
  /*
    //SV 21/V/03 for testbeam purpose: parameters from hardware setup
    if(config()->trigSetupGeom()==1){
      //init traco parameters
      _dd=config()->DD();
      _krad=config()->KRAD();
      _btic=config()->BTIC();
      _ibtioff=config()->IBTIOFF();

      //const char* testfile = "traco";   //FIXTB
      std::string  testfile = "traco_";
      int it = number() - 4 - 1;
      if(it<10)
        testfile += it+'0';
      if(it>9){
        testfile += int(float(it)/10.0) + '0';                //add decimal char
        testfile += int(fmod(float(it),float(10))) + '0';     //add unit char
      }

      //const char* name = testfile;
      if(config()->debug()==4)
        std::cout << "Loading " << testfile << " luts for traco " << number() <<
    std::endl; _luts = new DTTracoLUTs(testfile); _luts->reset(); _luts->load();
      if(config()->debug()==4)
        _luts->print();
    }//end hardware setup

    //TB 2004 setup : luts from minicrate ccb equations
    if(config()->trigSetupGeom()==2){
      int board = int( (n-1)/4 );
      int traco = fmod( double(n-1),4. );
      _lutsCCB = new Lut(sid.station(),board,traco);
      // 091030 SV this constructur is obsolete now, use setForTestBeam instead
    }//end TB2004
  */
}

DTTracoChip::DTTracoChip(const DTTracoChip &traco)
    : _geom(traco._geom), _id(traco._id), _card(traco._card), _luts(traco._luts) {
  int i = 0;
  for (i = 0; i < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF; i++) {
    _innerCand[i].reserve(DTConfigTraco::NBTITC);
    std::vector<DTTracoCand>::const_iterator p;
    for (p = traco._innerCand[i].begin(); p < traco._innerCand[i].end(); p++) {
      _innerCand[i].push_back(*p);
    }
    _outerCand[i].reserve(3 * DTConfigTraco::NBTITC);
    for (p = traco._outerCand[i].begin(); p < traco._outerCand[i].end(); p++) {
      _outerCand[i].push_back(*p);
    }
    _tracotrig[i].reserve(2);
    std::vector<DTTracoTrig *>::const_iterator p1;
    for (p1 = traco._tracotrig[i].begin(); p1 < traco._tracotrig[i].end(); p1++) {
      _tracotrig[i].push_back(*p1);
    }
  }
  _bxlts = traco._bxlts;
  for (int is = 0; is < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF + 1; is++) {
    _flag[is] = traco._flag[is];
  }
}

//--------------
// Destructor --
//--------------
DTTracoChip::~DTTracoChip() {
  clear();
  /*
  if(config()->trigSetupGeom()==1){
    _luts->reset();
    delete _luts;
  }

  if(config()->trigSetupGeom()==2)
    delete _lutsCCB;
  */

  if (_card->lutFromDBFlag() == 1)
    delete _lutsCCB;
}

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

DTTracoChip &DTTracoChip::operator=(const DTTracoChip &traco) {
  if (this != &traco) {
    _geom = traco._geom;
    _id = traco._id;
    _card = traco._card;
    int i = 0;
    for (i = 0; i < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF; i++) {
      _innerCand[i].reserve(DTConfigTraco::NBTITC);
      std::vector<DTTracoCand>::const_iterator p;
      for (p = traco._innerCand[i].begin(); p < traco._innerCand[i].end(); p++) {
        _innerCand[i].push_back(*p);
      }
      _outerCand[i].reserve(3 * DTConfigTraco::NBTITC);
      for (p = traco._outerCand[i].begin(); p < traco._outerCand[i].end(); p++) {
        _outerCand[i].push_back(*p);
      }
      _tracotrig[i].reserve(2);
      std::vector<DTTracoTrig *>::const_iterator p1;
      for (p1 = traco._tracotrig[i].begin(); p1 < traco._tracotrig[i].end(); p1++) {
        _tracotrig[i].push_back(*p1);
      }
    }
    _bxlts = traco._bxlts;
    for (int is = 0; is < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF + 1; is++) {
      _flag[is] = traco._flag[is];
    }
  }
  return *this;
}

void DTTracoChip::clear() {
  std::vector<DTTracoTrig *>::iterator p1;
  for (int is = 0; is < DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF + 1; is++) {
    for (p1 = _tracotrig[is].begin(); p1 < _tracotrig[is].end(); p1++) {
      delete (*p1);
    }
    _tracotrig[is].clear();
    _innerCand[is].clear();
    _outerCand[is].clear();
    _flag[is].zero();
  }
  _bxlts.zero();
}

void DTTracoChip::run() {
  // Debugging...
  if (config()->debug() > 1) {
    std::cout << "DTTracoChip::run: Processing TRACO " << _id.traco() << std::endl;
  }
  // End debugging

  int maxtc = static_cast<int>(ceil(float(geom()->nCell(1)) / float(DTConfigTraco::NBTITC)));

  if (_id.traco() < 1 || _id.traco() > maxtc) {
    if (config()->debug() == 4)
      std::cout << "DTTracoChip::run: wrong TRACO number " << _id.traco() << std::endl;
    return;
  }

  // Loop on step
  for (int is = DTConfigTraco::NSTEPF; is <= DTConfigTraco::NSTEPL; is++) {
    if (config()->debug() > 1) {
      std::cout << "\n STEP: " << is << std::endl;
      std::cout << " ================" << std::endl;
    }

    // skip if no cand. at this step
    if (_innerCand[is - DTConfigTraco::NSTEPF].empty() && _outerCand[is - DTConfigTraco::NSTEPF].empty())
      continue;

    // Debugging...
    if (config()->debug() == 4) {
      std::cout << " --> "
                << _innerCand[is - DTConfigTraco::NSTEPF].size() + _outerCand[is - DTConfigTraco::NSTEPF].size();
      std::cout << " candidates " << std::endl;
    }
    // End debugging

    // Multiple trigger detection between consecutive TRACO's
    setFlag(is);

    // check if there is a H in bx for LVALIDIFH flag
    if (config()->LVALIDIFH()) {
      for (unsigned int e = 0; e < _innerCand[is - DTConfigTraco::NSTEPF].size(); e++) {
        if (_innerCand[is - DTConfigTraco::NSTEPF][e].BtiTrig()->code() == 8) {
          _flag[is - DTConfigTraco::NSTEPF].set(9);
          break;
        }
      }
      for (unsigned int e = 0; e < _outerCand[is - DTConfigTraco::NSTEPF].size(); e++) {
        if (_outerCand[is - DTConfigTraco::NSTEPF][e].BtiTrig()->code() == 8) {
          _flag[is - DTConfigTraco::NSTEPF].set(9);
          break;
        }
      }
    }

    // Loop over first/second tracks
    // for(int itk=0; itk < DTConfigTraco::NMAXCAND; itk++){
    // FIX this hardcoded 2!!
    for (int itk = 0; itk < 2; itk++) {
      // Get the best inner and outer segments
      if (config()->debug() == 4)
        std::cout << "Inner:" << std::endl;
      DTTracoCand *inner = bestCand(itk, _innerCand[is - DTConfigTraco::NSTEPF]);
      if (config()->debug() == 4)
        std::cout << "Outer:" << std::endl;
      DTTracoCand *outer = bestCand(itk, _outerCand[is - DTConfigTraco::NSTEPF]);

      // debug
      if (config()->debug() > 1) {
        if (inner || outer)
          std::cout << "Best candidates for track " << itk + 1 << " are:" << std::endl;
        if (inner) {
          std::cout << "inner->";
          inner->print();
        }
        if (outer) {
          std::cout << "outer->";
          outer->print();
        }
      }

      // Skip to next step if no suitable candidates found
      if (inner == nullptr && outer == nullptr)
        break;

      // suppression of LTRIG on BTI close to selected HTRIG
      // SV 24/IX/03 : AND suppression of LTRIG close to H in adiacent Traco
      // SV 31/III/03 : test : only if htprf is off--> NO, it's worse
      // if( config()->prefHtrig(0) && config()->prefHtrig(1) ){
      if (inner) {
        DoAdjBtiLts(inner, _innerCand[is - DTConfigTraco::NSTEPF]);
      }
      if (outer) {
        DoAdjBtiLts(outer, _outerCand[is - DTConfigTraco::NSTEPF]);
      }
      //}

      // set candidates unusable by further steps
      if (inner)
        inner->setUsed();
      if (outer)
        outer->setUsed();
      // Create a new TRACO trigger with preview for TS
      DTTracoTrig *tct = setPV(itk, inner, outer);

      // skip if no TRACO trigger has been created with this trigger
      if (!tct)
        break;  // something nasty happened. Go to next step

      // try a correlation between segments
      int stored = 0;
      if (inner && outer) {
        stored = storeCorr(tct, inner, outer, itk);
      }

      if (!stored) {
        // No suitable candidate found or no correlation possible
        // Fill single trigger
        stored = storeUncorr(tct, inner, outer, itk);
      }

      // if trigger has been filled store it in TRACO, otherway delete it
      if (stored) {
        addTrig(is, tct);
      } else {
        delete tct;
        // break;-> II track is computed even if no I track found...
      }

    }  // end loop on first/second track

    // Inhibit second track at previous bunch crossing
    if (config()->debug() == 4)
      std::cout << "Checking overlap I-II track..." << std::endl;
    if (!_tracotrig[is - DTConfigTraco::NSTEPF].empty() && is > DTConfigTraco::NSTEPF &&
        (_tracotrig[is - DTConfigTraco::NSTEPF])[0]->isFirst()) {        // I track at bx
      if (nTrig(is - 1) > 0) {                                           // there is a track at bx-1
        if (!(trigger(is - 1, 1)->isFirst()) ||                          // trig 1 is II track
            (nTrig(is - 1) == 2 && !(trigger(is - 1, 2)->isFirst()))) {  // trig 2 is II track
          raiseOverlap(is);
          if (config()->debug() == 4) {
            std::cout << "II track at step " << std::hex << is - 1 << std::dec << "marked rej." << std::endl;
            std::cout << "I track overlap flag at step " << std::hex << is << std::dec << " setted" << std::endl;
          }
        }
      }
    }
    // debug...
    for (int isd = 0; isd <= DTConfigTraco::NSTEPL - DTConfigTraco::NSTEPF + 1; isd++)
      if (config()->debug() == 4) {
        std::cout << "overlap flag step = " << isd + DTConfigTraco::NSTEPF << "  " << _flag[isd].element(1)
                  << std::endl;
      }
    // debugging...
    if (config()->debug() > 0) {
      if (nTrig(is) > 0) {
        for (int cc = 1; cc <= nTrig(is); cc++) {
          trigger(is, cc)->print();
        }
      }
    }  // end debugging
  }    // end loop on step
}

void DTTracoChip::raiseOverlap(int step) {
  _flag[step - DTConfigTraco::NSTEPF].set(1);      // overlap flag raised
  _flag[step - DTConfigTraco::NSTEPF - 1].set(2);  // mark II rej.
}

void DTTracoChip::setFlag(int step, int ext) {
  if (ext == 0) {
    // this is the original: flags from card
    DTTracoChip *prevTraco = _card->getTRACO(_id.traco() - 1);
    if (prevTraco != nullptr) {
      if (prevTraco->edgeBTI(step, 1, 2))
        _flag[step - DTConfigTraco::NSTEPF].set(3);
      if (prevTraco->edgeBTI(step, 2, 2))
        _flag[step - DTConfigTraco::NSTEPF].set(5);
    }
    DTTracoChip *nextTraco = _card->getTRACO(_id.traco() + 1);
    if (nextTraco != nullptr) {
      if (nextTraco->edgeBTI(step, 1, 1))
        _flag[step - DTConfigTraco::NSTEPF].set(4);
      if (nextTraco->edgeBTI(step, 2, 1))
        _flag[step - DTConfigTraco::NSTEPF].set(6);
    }
  } else {
    // SV III/03: flags from input EXT: only for testing purpose
    for (int i = 0; i < 6; i++) {
      int ibit = ext >> i;
      if (ibit & 0x01)  // bit i+1 -> flag 3,4,5,6 : IL,IR,OL,OR
        _flag[step - DTConfigTraco::NSTEPF].set(i + 1 + 2);
    }
  }

  // debug:
  if (config()->debug() == 4) {
    std::cout << "Flags set for bx=" << step << std::endl;
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(1) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(2) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(3) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(4) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(5) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(6) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(7) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(8) << "  ";
    std::cout << _flag[step - DTConfigTraco::NSTEPF].element(9) << "  " << std::endl;
  }  // end debugging
}

DTTracoCand *DTTracoChip::bestCand(int itk, std::vector<DTTracoCand> &tclist) {
  // Return if no candidates
  if (tclist.empty())
    return nullptr;

  // stl function: sort in Ktc ascending or descending order according
  // to user request comparing by default with user-defined <
  // NB don't reverse if candidates are two with same K
  stable_sort(tclist.begin(), tclist.end());  // 0=K ascending, 1=K descending
  if (config()->sortKascend(itk) && !(tclist.size() == 2 && tclist[0].K() == tclist[1].K())) {
    reverse(tclist.begin(), tclist.end());
    if (config()->debug() == 4)
      std::cout << "Reversing order of sorted candidate list..." << std::endl;
  }

  /*
  if(!config()->sortKascend(itk)){
    stable_sort( tclist.begin(),tclist.end(),DTTracoCand::closer );
  } else {
    stable_sort( tclist.begin(),tclist.end(),DTTracoCand::wider );
  }
 */

  // debugging...
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::findBest - Looking for track number " << itk + 1 << std::endl;
    std::cout << "Sorted std::vector of usable track candidates is:" << std::endl;
    int i = 1;
    for (std::vector<DTTracoCand>::iterator p = tclist.begin(); p < tclist.end(); p++) {
      if ((*p).usable()) {
        std::cout << " DTTracoChip Candidate # " << i++;
        (*p).print();
      }
    }
    std::cout << "--------------------------------------------------" << std::endl;
  }
  // end debugging

  // return the best candidate
  int i = 0;
  DTTracoCand *bestltrig = nullptr;
  std::vector<DTTracoCand>::iterator p;
  for (p = tclist.begin(); p < tclist.end(); ++p) {
    i++;
    // candidate must be usable and not suppressed by LTS
    if (AdjBtiLTSuppressed(&(*p)))
      if (config()->debug() == 4)
        std::cout << "Candidate # " << i << " supp. because next to H in adiacent Tracos" << std::endl;
    if ((*p).usable() && !AdjBtiLTSuppressed(&(*p))) {
      // check if preference to HTRIG is set and return first trigger
      if (!config()->prefHtrig(itk))
        return &(*p);
      if ((*p).BtiTrig()->code() == 8)
        return &(*p);
      if (bestltrig == nullptr)
        bestltrig = &(*p);
    }
  }
  return bestltrig;
}

void DTTracoChip::DoAdjBtiLts(DTTracoCand *candidate, std::vector<DTTracoCand> &tclist) {
  // If requested, do suppression of LTRIG on BTI close to selected HTRIG in
  // same traco
  // if(!(config()->adjBtiLts()) && candidate->BtiTrig()->code()==8) {
  // SV this is done always, not parametrized !!
  if (candidate->BtiTrig()->code() == 8) {
    std::vector<DTTracoCand>::iterator p;
    for (p = tclist.begin(); p < tclist.end(); p++) {
      if ((*p).BtiTrig()->code() < 8 && abs((*p).BtiTrig()->btiNumber() - candidate->BtiTrig()->btiNumber()) < 2) {
        (*p).setUsed();
        if (config()->debug() == 4) {
          std::cout << "Candidate :";
          (*p).print();
          std::cout << "Suppressed because adiacent to H trig" << std::endl;
        }  // end debug
      }    // end if
    }      // end candidate loop
  }        // end if H
}

int DTTracoChip::AdjBtiLTSuppressed(DTTracoCand *candidate) {
  // If requested, do suppression of LTRIG on adjacent BTI -> obsolete!
  // if(!(config()->adjBtiLts()) && candidate->BtiTrig()->code()<8) {
  // SV: Ltrig always suppressed in hardware if Htrig in adj traco!
  if (candidate->BtiTrig()->code() < 8) {
    if (_flag[candidate->step() - DTConfigTraco::NSTEPF].element(3) && candidate->position() == 1)
      return 1;
    if (_flag[candidate->step() - DTConfigTraco::NSTEPF].element(4) && candidate->position() == DTConfigTraco::NBTITC)
      return 1;
    if (_flag[candidate->step() - DTConfigTraco::NSTEPF].element(5) &&
        candidate->position() == DTConfigTraco::NBTITC + 1)
      return 1;
    if (_flag[candidate->step() - DTConfigTraco::NSTEPF].element(6) &&
        candidate->position() == DTConfigTraco::NBTITC * 4)
      return 1;
  }
  //}
  return 0;
}

DTTracoTrig *DTTracoChip::setPV(int itk, DTTracoCand *inner, DTTracoCand *outer) {
  // debugging...
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::setPV called for candidates : " << std::endl;
    if (inner)
      inner->print();
    if (outer)
      outer->print();
    std::cout << "--------------------------------------------------" << std::endl;
  }
  // end debugging

  // first or second track. This is tricky:
  // itk=0 menas first track  ==> first= true=1
  // itk=1 menas second track ==> first=false=0
  int first = (itk == 0) ? 1 : 0;

  // preview selector: the same as priority selector I !!
  // select which of the inner/outer segments should be used

  DTTracoCand *candidate = nullptr;
  if (inner != nullptr && outer != nullptr) {
    //    if(config()->prefHtrig(itk)){
    //    ---> BUG! selection is ALWAYS for H trigs
    //    ---> fixed by Sara Vanini 25/III/03
    if (inner->BtiTrig()->code() == 8 && outer->BtiTrig()->code() < 8) {
      candidate = inner;
    } else if (inner->BtiTrig()->code() < 8 && outer->BtiTrig()->code() == 8) {
      candidate = outer;
    } else {  // for same quality tracks, pref. to in/out selection
      if (!config()->prefInner(itk)) {
        candidate = inner;
      } else {
        candidate = outer;
      }
    }
    //    } //end if(config()->prefHtrig...
    /*
        else {
          if(!config()->prefInner(itk)) {
            candidate=inner;
          } else {
            candidate=outer;
          }
        }
    */
  } else if (inner == nullptr && outer != nullptr) {
    candidate = outer;
  } else if (inner != nullptr && outer == nullptr) {
    candidate = inner;
  } else {
    return nullptr;  // no candidates
  }

  // create new trigger with this candidate
  DTTracoTrig *tct = new DTTracoTrig(this, candidate->step());
  // store preview for TS
  int cod = candidate->BtiTrig()->code();
  if (candidate->BtiTrig()->btiSL() == 1)
    cod *= 10;
  // k output is 5 bits!!! SV
  int K = candidate->K();
  if (K > 31)
    K -= 32;
  int ioflag = 0;
  if (candidate->position() > 4)
    ioflag = 1;
  tct->setPV(first, cod, K, ioflag);  // this is already BTI_K-KRAD

  if (config()->debug() == 4) {
    std::cout << "Selected candidate stored for preview is: ";
    candidate->print();
  }
  return tct;
}

int DTTracoChip::storeCorr(DTTracoTrig *tctrig, DTTracoCand *inner, DTTracoCand *outer, int tkn) {
  // Bunch crossing
  int is = tctrig->step();

  // Debugging...
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::storeCorr called with candidates: " << std::endl;
    if (inner)
      inner->print();
    if (outer)
      outer->print();
    std::cout << "--------------------------------------------------" << std::endl;
  }
  // End debugging

  // old orca shift definition
  float shift = 0.;
  // if( config()->trigSetupGeom()!=1 )
  shift = (int)(_geom->distSL() / _geom->cellH() + 0.5);
  // else
  // shift = DD();

  int kcor = 9999;
  int xcor = 0;
  int icor = 0;

  // Check correlation only if --> this cuts LL follow by H in next 4 bx
  // SV 1/IV/04 BUG FIX: this cuts LL preview also, traco outputs preview when
  // LTS cut!!!
  // if( !config()->TcBxLts() ||          // BX LTS is not enabled or
  //    !_bxlts.element(is) ||           // no HTRIG in next 4 BX or
  //    inner->BtiTrig()->code()==8 ||   // inner track is HTRIG  or
  //    outer->BtiTrig()->code()==8 ){   // outer track is HTRIG
  // otherwise in and out trig are L, and necessary one is suppressed for LTS

  int xq1 = inner->X();
  int xq2 = outer->X();
  xcor = (xq2 + xq1) / 2;
  kcor = (xq1 - xq2) + 512;
  int kq1 = int(shift / 2.) * (inner->BtiTrig()->K() - BTIC()) + 512;
  int kq2 = int(shift / 2.) * (outer->BtiTrig()->K() - BTIC()) + 512;
  // int kd1 = abs(kcor/16-kq1/16);
  // int kd2 = abs(kcor/16-kq2/16);
  int kd1 = abs(kcor / 16 - kq1 / 16);
  int kd2 = abs(kcor / 16 - kq2 / 16);

  icor = kd1 <= config()->TcKToll(tkn) && kd2 <= config()->TcKToll(tkn) && xcor > 0;

  // Debugging...
  if (config()->debug() == 4) {
    std::cout << "*************************************************************";
    std::cout << std::endl;
    std::cout << " shift = " << shift;
    std::cout << " xq1 = " << xq1;
    std::cout << " xq2 = " << xq2;
    std::cout << " xcor = " << xcor;
    std::cout << " kcor = " << kcor;
    std::cout << " kq1 = " << kq1;
    std::cout << " kq2 = " << kq2;
    std::cout << " kd1 = " << kd1;
    std::cout << " kd2 = " << kd2;
    std::cout << " icor = " << icor;
    std::cout << std::endl;
    std::cout << "*************************************************************";
    std::cout << std::endl;
  }  // End debugging

  //}//end if TcBxLts....

  if (icor) {
    // correlation was successfull
    // set the preview correlation bit. It isn't reset if outside ang. window
    tctrig->setPVCorr(1);
    // set K and X
    tctrig->setK(kcor - 512);
    // std::cout<<"Set K " << kcor << " instead of " << kcor-512 << std::endl;
    // tctrig->setK(kcor);
    tctrig->setX(xcor);
    // set codes
    tctrig->setCodeIn(inner->BtiTrig()->code());
    tctrig->setCodeOut(outer->BtiTrig()->code());
    // set position mask
    // tctrig->setPosIn(inner->position());
    // tctrig->setPosOut(outer->position());
    // SV number of bti instead of position...
    tctrig->setPosIn(inner->BtiTrig()->btiNumber());
    tctrig->setPosOut(outer->BtiTrig()->btiNumber());
    // SV store also equation: pattern numbers are 1-32
    tctrig->setEqIn(inner->BtiTrig()->eq() + 1);
    tctrig->setEqOut(outer->BtiTrig()->eq() + 1);

    // calculate psi, psi_r and Delta(psi_r)
    calculateAngles(tctrig);
    // check angular window for LL  --> fixed by SV 27/III/03 --> NO, for all!
    // if( (tctrig->qdec()==4) && !insideAngWindow(tctrig)) {
    if (!insideAngWindow(tctrig)) {
      // reset codes, K, X and angles
      tctrig->resetVar();
    }
    // SV 1/IV/04 BUG FIX: check LTS after angle cut...
    else if (tctrig->qdec() == 4 &&  // cut only LL
             config()->TcBxLts()) {  // BX LTS is  enabled or
      // reset codes, K, X and angles
      if (tkn == 0 && _bxlts.element(is))  // I track : there is H -4,+1
        tctrig->resetVar();
      if (tkn == 1 && _bxlts.element(is + 1))  // II track : there is H -4,+1 1 bx later
        tctrig->resetVar();
    } else {
      // set links to BTI triggers
      tctrig->addDTBtiTrig(inner->BtiTrig());
      tctrig->addDTBtiTrig(outer->BtiTrig());
    }

    // Debugging...
    if (config()->debug() > 1) {
      std::cout << "*************************************************************";
      std::cout << std::endl;
      std::cout << "               Correlation was successfull:                  ";
      std::cout << std::endl;
      std::cout << " Code = " << tctrig->code();
      std::cout << " K = " << tctrig->K();
      std::cout << " X = " << tctrig->X();
      std::cout << std::endl;
      std::cout << "*************************************************************";
      std::cout << std::endl;
    }
    // End debugging

  } else {
    // Debugging...
    if (config()->debug() > 1) {
      std::cout << "*************************************************************";
      std::cout << std::endl;
      std::cout << "               No correlation possible                       ";
      std::cout << std::endl;
      std::cout << "*************************************************************";
      std::cout << std::endl;
    }
    // End debugging
  }

  return icor;
}

int DTTracoChip::storeUncorr(DTTracoTrig *tctrig, DTTracoCand *inner, DTTracoCand *outer, int tkn) {
  // Bunch crossing
  int is = tctrig->step();

  // Debugging...
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::storeUncorr called with candidates: " << std::endl;
    if (inner)
      inner->print();
    if (outer)
      outer->print();
    std::cout << "--------------------------------------------------" << std::endl;
  }

  // End debugging
  // priority selector
  // select which of the inner/outer segments should be used
  // allow re-use of other segment according to configuration
  DTTracoCand *candidate = nullptr;
  if (inner != nullptr && outer != nullptr) {
    //    if(config()->prefHtrig(tkn)){
    // --> BUG: selector I preference is ALWAYS for H trig
    // fixed by Sara Vanini - 25/III/03
    if (inner->BtiTrig()->code() == 8 && outer->BtiTrig()->code() < 8) {
      candidate = inner;
      // if(config()->TcReuse(1)) outer->setUnused(); // reusable
    } else if (inner->BtiTrig()->code() < 8 && outer->BtiTrig()->code() == 8) {
      candidate = outer;
      // if(config()->TcReuse(0)) inner->setUnused(); // reusable
    } else {  // for the same quality triggers:
      if (!config()->prefInner(tkn)) {
        candidate = inner;
        // if(config()->TcReuse(1))  outer->setUnused(); // reusable
      } else {
        candidate = outer;
        // if(config()->TcReuse(0))  inner->setUnused(); // reusable
      }
    }  // end else
    /*
        } else {//no Htrig preference
          if(!config()->prefInner(tkn)) {
            candidate=inner;
            if(config()->TcReuse(1))  outer->setUnused(); // reusable
          } else {
            candidate=outer;
            if(config()->TcReuse(0))  inner->setUnused(); // reusable
          }
        }
    */
  } else if (inner == nullptr && outer != nullptr) {
    candidate = outer;
  } else if (inner != nullptr && outer == nullptr) {
    candidate = inner;
  } else {
    return 0;  // no candidates
  }

  // SV *** FOR TESTBEAM OR TEST BENCH PURPOSE ***
  // theta trigger bin present(1) or absent(0)
  // int thTr = (_flag[is-DTConfigTraco::NSTEPF].element(7)) ?
  //   _flag[is-DTConfigTraco::NSTEPF].element(7):
  //   _flag[is-DTConfigTraco::NSTEPF].element(8);

  // priority selector II: accept or discard candidate according to masks:
  // ** LOW TRIGGERS
  if (candidate->BtiTrig()->code() < 8) {
    // first check with LVALIDIFH: if 1, accept low if there is a H in traco at
    // bx
    if (config()->LVALIDIFH() && _flag[is - DTConfigTraco::NSTEPF].element(9)) {
      if (config()->debug() > 1)
        std::cout << "Low accepted because LVALIDIFH on...." << std::endl;
    } else {  // LVALIDIFH==0 or there isn't H in traco in bx : check theta!
      // theta check
      if (!config()->singleLenab(tkn)) {
        // LTF: single LTRIG not always en. Check cond.:
        if (config()->singleLflag(tkn) == 1 ||  // always discarded
            (config()->singleLflag(tkn) == 2 && !(_card->TSTh()->nHTrig(is))) ||
            (config()->singleLflag(tkn) == 0 && !(_card->TSTh()->nTrig(is)))) {
          // SV --> for TESTS version
          //        config()->singleLflag(tkn)==0 && thTr==0 ||   //only with
          //        theta trig. config()->singleLflag(tkn)==2 && thTr==0  ){
          //        //only with theta H trig (not hw)
          if (config()->debug() > 1)
            std::cout << "Single low trigger discarded by preview and "
                      << "priority selector for ltmsk!" << std::endl;
          return 0;
        }
        //       ^-------- trigger is suppressed and will not be stored
      }  // end theta

    }  // end else
    // REUSE : mark candidates reusable HERE! SV BUG FIX 6IV04
    if (candidate == inner && config()->TcReuse(1) && outer)
      outer->setUnused();
    if (candidate == outer && config()->TcReuse(0) && inner)
      inner->setUnused();

    // LTS suppression
    if (config()->TcBxLts()) {
      if ((tkn == 0 && _bxlts.element(is))            // I track : there is H -4,+1
          || (tkn == 1 && _bxlts.element(is + 1))) {  // II track : there is H -4,+1 1 bx later
        tctrig->resetVar();
        if (config()->debug() > 1)
          std::cout << "Low trigger suppressed because H in next 4 bx "
                    << " and LTS flag on...." << std::endl;
        return 1;  // trigger is suppressed but preview will be stored
      }
    }  // end lts

    //    } //end else
  }  // Low trigs

  // Preview Htmsk not implemented: awaiting decision
  // --> implemented in priority selector by SV
  else {  // HTRIG
    // if(config()->singleHflag(tkn)==1 && thTr==0 )  //this is for testing
    if (config()->singleHflag(tkn) == 1 && !(_card->TSTh()->nTrig(is)))
      return 0;
    // ^-----trigger is suppressed and will not be stored

    // mark candidates reusable HERE! SV BUG FIX 6IV04
    if (candidate == inner && config()->TcReuse(1) && outer)
      outer->setUnused();
    if (candidate == outer && config()->TcReuse(0) && inner)
      inner->setUnused();
  }

  // set code, position, K and X
  float shift;
  // if(config()->trigSetupGeom()!=1 )
  shift = (int)(_geom->distSL() / _geom->cellH() + 0.5);
  // else
  // shift = DD();  //SV 19/III/03
  int kucor = (int)(0.5 * shift * (candidate->BtiTrig()->K() - BTIC()));
  tctrig->setK(kucor);
  tctrig->setX(candidate->X());
  // correlation wasn't successfull
  // set the preview correlation bit.
  tctrig->setPVCorr(0);
  if (candidate->BtiTrig()->btiSL() == 1) {  // inner track
    tctrig->setCodeIn(candidate->BtiTrig()->code());
    tctrig->setCodeOut(0);
    // tctrig->setPosIn(candidate->position());
    // SV number of bti instead of position...
    tctrig->setPosIn(candidate->BtiTrig()->btiNumber());
    tctrig->setPosOut(0);
    // SV store also equation
    tctrig->setEqIn(candidate->BtiTrig()->eq() + 1);
    tctrig->setEqOut(0);
  } else {  // outer track
    tctrig->setCodeIn(0);
    tctrig->setCodeOut(candidate->BtiTrig()->code());
    tctrig->setPosIn(0);
    // SV number of bti instead of position...
    tctrig->setPosOut(candidate->BtiTrig()->btiNumber());
    // tctrig->setPosOut(candidate->position());
    // SV store also equation
    tctrig->setEqIn(0);
    tctrig->setEqOut(candidate->BtiTrig()->eq() + 1);
  }

  // coordinate converter LUT
  // calculate psi, psi_r and Delta(psi_r)
  calculateAngles(tctrig);
  // check angular window only for Low!!  --> fixed SV 27/III/03--> NO, for all!
  // if( candidate->BtiTrig()->code() < 8 && !insideAngWindow(tctrig) ){
  if (!insideAngWindow(tctrig)) {
    // reset codes, K, X and angles
    tctrig->resetVar();
    if (config()->debug() > 1)
      std::cout << "L rejected because outside angular window!" << std::endl;
  } else {
    // set links to BTI trigger
    tctrig->addDTBtiTrig(candidate->BtiTrig());
  }

  // Debugging...
  if (config()->debug() > 1) {
    std::cout << "*************************************************************";
    std::cout << std::endl;
    std::cout << "               Single trigger stored:                        ";
    std::cout << std::endl;
    std::cout << " Code = " << tctrig->code();
    std::cout << " K = " << tctrig->K();
    std::cout << " X = " << tctrig->X();
    std::cout << std::endl;
    std::cout << "*************************************************************";
    std::cout << std::endl;
  }
  // End debugging

  return 1;
}

void DTTracoChip::add_btiT(int step, int pos, const DTBtiTrigData *btitrig) {
  if (pos < 1 || pos > 4 * DTConfigTraco::NBTITC) {
    std::cout << "DTTracoChip::add_btiT: wrong position: " << pos;
    std::cout << "trigger not added!" << std::endl;
    return;
  }
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::add_btiT: step out of range: " << step;
    std::cout << "trigger not added!" << std::endl;
    return;
  }

  if (!config()->usedBti(pos)) {
    if (config()->debug() == 4) {
      std::cout << "DTTracoChip::add_btiT: position: " << pos;
      std::cout << "has disconnected bti" << std::endl;
    }
    return;
  }

  // 091103 SV: acceptances are taken from geometry if useAcceptParam()=false
  // otherwise cuts based on LL,LH,CL,CH,RL,RH taken from  configuration are
  // applied in TracoCard::loadTraco
  if (_card->useAcceptParamFlag() == false) {
    // check K inside acceptance
    if (btitrig->K() < _PSIMIN[pos - 1] || btitrig->K() > _PSIMAX[pos - 1]) {
      if (config()->debug() > 1) {
        std::cout << "In TRACO num. " << number() << " BTI trig. in pos " << pos << " outside K acceptance (";
        std::cout << _PSIMIN[pos - 1] << "-->";
        std::cout << _PSIMAX[pos - 1] << ") - Not added" << std::endl;
      }
      return;
    }
  }

  // Store trigger candidate
  if (pos <= DTConfigTraco::NBTITC) {
    _innerCand[step - DTConfigTraco::NSTEPF].push_back(DTTracoCand(this, btitrig, pos, step));
  } else {
    _outerCand[step - DTConfigTraco::NSTEPF].push_back(DTTracoCand(this, btitrig, pos, step));
  }

  // Fill array for BX LTS
  if (btitrig->code() == 8) {
    for (int is = step - 4; is < step; is++) {  // set flag for 4 previous BX
      if (is > 0 && is <= DTConfigTraco::NSTEPL)
        _bxlts.set(is);
    }
    // SV 1/IV/04 BUG FIX
    _bxlts.set(step + 1);
    // Debugging
    if (config()->debug() == 4)
      for (int is = 0; is < DTConfigTraco::NSTEPL; is++)
        std::cout << "_bxlts[" << is << "]=" << _bxlts.element(is) << std::endl;
  }

  // Debugging
  if (config()->debug() > 1) {
    std::cout << "BTI Trigger added at step " << step;
    std::cout << " to TRACO " << _id.traco() << " at position " << pos << std::endl;
    btitrig->print();
  }  // End debugging
}

void DTTracoChip::addTrig(int step, DTTracoTrig *tctrig) {
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::addTrig: step out of range: " << step;
    std::cout << " trigger not added!" << std::endl;
    return;
  }
  _tracotrig[step - DTConfigTraco::NSTEPF].push_back(tctrig);

  // Debugging...

  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::addTrig: adding trigger:" << std::endl;
    tctrig->print();
  }
  // End debugging
}

int DTTracoChip::nTrig(int step) const {
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::nTrig: step out of range: " << step;
    std::cout << " 0 returned!" << std::endl;
    return 0;
  }
  return _tracotrig[step - DTConfigTraco::NSTEPF].size();
}

DTTracoTrig *DTTracoChip::trigger(int step, unsigned n) const {
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::trigger: step out of range: " << step;
    std::cout << " empty pointer returned!" << std::endl;
    return nullptr;
  }
  if (n < 1 || n > _tracotrig[step - DTConfigTraco::NSTEPF].size()) {
    std::cout << "DTTracoChip::trigger: requested trigger doesn't exist: " << n;
    std::cout << " empty pointer returned!" << std::endl;
    return nullptr;
  }
  std::vector<DTTracoTrig *>::const_iterator p = _tracotrig[step - DTConfigTraco::NSTEPF].begin() + n - 1;
  return *p;
}

DTTracoTrigData DTTracoChip::triggerData(int step, unsigned n) const {
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::triggerData: step out of range: " << step;
    std::cout << " dummy trigger returned!" << std::endl;
    return DTTracoTrigData();
  }
  if (n < 1 || n > _tracotrig[step - DTConfigTraco::NSTEPF].size()) {
    std::cout << "DTTracoChip::trigger: requested trigger doesn't exist: " << n;
    std::cout << " dummy trigger returned!" << std::endl;
    return DTTracoTrigData();
  }
  std::vector<DTTracoTrig *>::const_iterator p = _tracotrig[step - DTConfigTraco::NSTEPF].begin() + n - 1;
  return (*p)->data();
}

float DTTracoChip::psiRad(int sl) const {
  /*
    // Radial angle of correlator center in mrad in CMS frame
    LocalPoint p = localPosition();
    float x = p.x();
    float y = p.y();
    float z = p.z();
    if        (sl==1) {
      z -= 0.5 * _geom->distSL();
    } else if (sl==3) {
      z += 0.5 * _geom->distSL();
    }
    float fpsir = _geom->stat()->toGlobal(LocalPoint(x,y,z)).phi()-
                  _geom->phiCh();
    if(fpsir<-M_PI)fpsir+=M_PI*2;
    if(fpsir>M_PI)fpsir-=M_PI*2;
    return fpsir*1000;
  */
  return 0.0;
}

int DTTracoChip::KRad() const {
  // K parameter of the radial angle of correlator center
  // float distp2 = (int)(2*_geom->cellH()*config()->ST()/_geom->cellPitch());
  // return -(int)(tan(psiRad(sl)/1000)*distp2); // sign is reverted!!!
  // return _krad;

  // SV V/03: for harware bug in traco....
  int KRad = 0;
  return KRad;
}

int DTTracoChip::useSecondTrack(int step) const {
  // return 1 if II track use is allow
  // return 0 if II track has been rejected
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::useSecondTrack: step out of range: " << step;
    std::cout << " 0 returned!" << std::endl;
    return 0;
  }
  return !(_flag[step - DTConfigTraco::NSTEPF].element(2));
}

int DTTracoChip::edgeBTI(int step, int io, int lr) const {
  if (step < DTConfigTraco::NSTEPF || step > DTConfigTraco::NSTEPL) {
    std::cout << "DTTracoChip::edgeBTI: step out of range: " << step;
    std::cout << " 0 returned!" << std::endl;
    return 0;
  }
  //
  // inner supl ==> io=1; outer supl ==> io=2      |21   |     |   22|
  // right edge ==> rl=1;  left edge ==> rl=2            |11 12|
  //
  std::vector<DTTracoCand>::const_iterator p;
  if (io == 1) {
    if (!_innerCand[step - DTConfigTraco::NSTEPF].empty()) {
      // SV 24/IX/03 fix: only HTRIG accepted
      for (p = _innerCand[step - DTConfigTraco::NSTEPF].begin(); p < _innerCand[step - DTConfigTraco::NSTEPF].end();
           p++) {
        if (lr == 1 && (*p).position() == 1 && (*p).BtiTrig()->code() == 8)
          return 1;
        if (lr == 2 && (*p).position() == DTConfigTraco::NBTITC && (*p).BtiTrig()->code() == 8)
          return 1;
      }
    }
  } else {
    if (!_outerCand[step - DTConfigTraco::NSTEPF].empty()) {
      for (p = _outerCand[step - DTConfigTraco::NSTEPF].begin(); p < _outerCand[step - DTConfigTraco::NSTEPF].end();
           p++) {
        // SV: is the following correct???FIX if using _card to set _flag
        // if(lr==1 && (*p).position()==DTConfigTraco::NBTITC+1)return 1; //or
        // pos=8?? if(lr==2 && (*p).position()==DTConfigTraco::NBTITC*4)return
        // 1;
        // //or pos=13?? SV 24/IX/03 fix
        if (lr == 1 && (*p).position() == DTConfigTraco::NBTITC * 3 + 1 && (*p).BtiTrig()->code() == 8)
          return 1;
        if (lr == 2 && (*p).position() == DTConfigTraco::NBTITC * 2 && (*p).BtiTrig()->code() == 8)
          return 1;
      }
    }
  }
  return 0;
}

void DTTracoChip::calculateAngles(DTTracoTrig *tct) {
  int ipsi = 0;
  int iphir = 0;
  int idpsir = 0;
  /* obsolete
    //TB 2004 luts formula from minicrate CCB
    if( config()->trigSetupGeom()==2 ){
      ipsi = _lutsCCB->get_k( (tct->K()+511) );

      int flag = 0;
      int qual=tct->data().qdec();
      if(qual==3 || qual==1)                //case 0:outer
        flag=0;
      if(qual==2 || qual==0)                //case 1:inner
        flag=1;
      if(qual==6 || qual==5 || qual==4)     //case 2:correlated
        flag=2;

      iphir = _lutsCCB->get_x( (tct->X()+512*flag) );

      idpsir = ipsi - iphir/8;
    }

   //TB 2003 luts data format
   if( config()->trigSetupGeom()==1 ){
      //compute bending angles of traco output with lookup tables
      //SV TB2003: first trigger board isn't connected;
      ipsi = _luts->getPsi(tct->K());
      int flag = 0;
      int qual=tct->data().qdec();
      if(qual==3 || qual==1)                //case 0:outer
        flag=0;
      if(qual==2 || qual==0)                //case 1:inner
        flag=1;
      if(qual==6 || qual==5 || qual==4)     //case 2:correlated
        flag=2;
      iphir = _luts->getPhiRad( tct->X(), flag);
      idpsir = _luts->getBendAng( tct->X(), tct->K(), flag);
    }
   */

  // 091030 SV angles computed from DB lut parameters
  if (_card->lutFromDBFlag() == 1) {
    ipsi = _lutsCCB->get_k((tct->K() + 512));

    int flag = 0;
    int qual = tct->data().qdec();
    if (qual == 3 || qual == 1)  // case 0:outer
      flag = 0;
    if (qual == 2 || qual == 0)  // case 1:inner
      flag = 1;
    if (qual == 6 || qual == 5 || qual == 4)  // case 2:correlated
      flag = 2;

    iphir = _lutsCCB->get_x((tct->X() + 512 * flag));

    idpsir = ipsi - iphir / 8;
  } else
  // compute angles from CMSSW geometry
  // if( config()->trigSetupGeom()==0 )
  {
    DTTracoTrigData td = tct->data();
    // psi
    //  float fpsi = atan( (float)(tct->K()) * _geom->cellPitch() /
    //           (_geom->distSL() * config()->ST()) );
    float fpsi = atan(_card->localDirection(&td).x() /  // e.g. x>0 and
                      _card->localDirection(&td).z());  //      z<0 => fpsi<0

    // Change sign in case of wheel<0 or wheel==0 and station == 1,4,5,8,9,12
    int mywh = tct->ChamberId().wheel();
    if (mywh < 0 || (mywh == 0 && (tct->ChamberId().sector() % 4) < 2))
      fpsi = -fpsi;

    fpsi *= DTConfigTraco::RESOLPSI;
    if (fpsi <= 0)
      fpsi -= 1.0;
    ipsi = (int)fpsi;
    // if outside range set to lower edge
    if (ipsi >= DTConfigTraco::RESOLPSI || ipsi < -DTConfigTraco::RESOLPSI)
      ipsi = -DTConfigTraco::RESOLPSI;

    // psi_r
    float fpsir = _card->CMSPosition(&td).phi() - _geom->phiCh();

    if (fpsir < -M_PI)
      fpsir += M_PI * 2;
    if (fpsir > M_PI)
      fpsir -= M_PI * 2;
    fpsir *= DTConfigTraco::RESOLPSIR;
    if (fpsir <= 0)
      fpsir -= 1.0;
    iphir = (int)fpsir;
    // if outside range set to lower edge
    if (iphir >= DTConfigTraco::RESOLPSIR / 2 || iphir < -DTConfigTraco::RESOLPSIR / 2)
      iphir = -DTConfigTraco::RESOLPSIR / 2;

    // Delta(psi_r)
    int dpsir = (iphir * DTConfigTraco::RESOLPSI) / DTConfigTraco::RESOLPSIR;
    idpsir = ipsi - dpsir;
    // if outside range set to lower edge
    if (idpsir >= DTConfigTraco::RESOLPSI || idpsir < -DTConfigTraco::RESOLPSI)
      idpsir = -DTConfigTraco::RESOLPSI;
  }

  tct->setAngles(ipsi, iphir, idpsir);

  // debugging
  if (config()->debug() == 4) {
    std::cout << "DTTracoChip::calculateAngles :" << std::endl;
    tct->print();
    std::cout << std::dec << "K = " << tct->K() << " X = " << tct->X();
    std::cout << " ipsi = " << ipsi << " iphir = " << iphir;
    std::cout << " idpsir = " << idpsir << std::endl;
    if (_card->lutFromDBFlag() == 1)
      std::cout << "Angles are calculated from LUT parameters from DB!" << std::endl;
  }  // end debugging
}

int DTTracoChip::insideAngWindow(DTTracoTrig *tctrig) const {
  // check angular window for every station type
  // return 1 for accept, 0 for reject
  // abs value of bending angle is 9 bits

  BitArray<10> bendAng;
  bendAng.assign(0, 10, tctrig->DeltaPsiR());
  // bendAng.print();
  if (bendAng.element(9))  // negativo!
    bendAng.twoComplement();
  int bendAngINT = bendAng.read(0, 9);
  // std::cout<<"abs bend angle int ="<< bendAngINT <<std::endl;

  if (config()->BendingAngleCut() != -1 && bendAngINT > 2 * (config()->BendingAngleCut())) {
    int absBendAng = tctrig->DeltaPsiR() & 0x1FF;
    if (config()->debug() == 4)
      std::cout << "Attention: abs(bendAng)=" << absBendAng << " > " << 2 * config()->BendingAngleCut()
                << "!! reject trigger" << std::endl;
    return 0;
  }
  return 1;
}

void DTTracoChip::setTracoAcceptances() {
  // Set K acceptances of DTTracoChip MT ports: Ktraco = Xinner - Xouter
  float h = _geom->cellH();
  float pitch = _geom->cellPitch();
  float distsl = _geom->distSL();
  float K0 = config()->BTIC();
  float shiftSL = _geom->phiSLOffset() / pitch * K0;

  // mt  ports from orca geometry: this is always the case with new DTConfig
  // if(config_traco(tracoid)->trigSetupGeom() != 1){
  {
    // Master Plane
    int i = 0;
    for (i = 0; i < DTConfig::NBTITC; i++) {
      float Xin_min = (i + DTConfig::NBTITC) * K0 + shiftSL;
      float Xin_max = Xin_min + K0;
      float Xout_min = 0;
      float Xout_max = 3 * DTConfig::NBTITC * K0;
      _PSIMAX[i] = int(2. * h / distsl * (Xin_max - Xout_min) + K0 + 1.01);
      _PSIMIN[i] = int(2. * h / distsl * (Xin_min - Xout_max) + K0);
    }

    // Slave Plane
    for (i = 0; i < 3 * DTConfig::NBTITC; i++) {
      float Xin_min = (DTConfig::NBTITC)*K0 + shiftSL;
      float Xin_max = 2. * DTConfig::NBTITC * K0 + shiftSL;
      float Xout_min = i * K0;
      float Xout_max = Xout_min + K0;
      _PSIMAX[DTConfig::NBTITC + i] = int(2. * h / distsl * (Xin_max - Xout_min) + K0 + 1.01);
      _PSIMIN[DTConfig::NBTITC + i] = int(2. * h / distsl * (Xin_min - Xout_max) + K0);
    }
  }

  // debugging
  if (config()->debug() == 4) {
    // if(wheel()==2&&station()==3&&sector()==1){ // only 1 chamber
    std::cout << "Acceptance of mt ports for offset (cell unit) " << _geom->phiSLOffset() / pitch << std::endl;
    for (int i = 0; i < 4 * DTConfig::NBTITC; i++) {
      std::cout << "Port " << i + 1 << " : ";
      std::cout << _PSIMIN[i] << " --> " << _PSIMAX[i] << std::endl;
    }
    //}
  }  // end debugging
}