/data/refman/pasoursint/CMSSW_6_1_2_SLHC2_patch1/src/L1Trigger/DTTriggerServerPhi/src/DTTSPhi.cc

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//-------------------------------------------------
//
//   Class: DTTSPhi.cpp
//
//   Description: Implementation of TS Phi trigger algorithm
//
//
//   Author List:
//   C. Grandi
//   Modifications: 
//   jan02 - D.Bonacorsi/S.Marcellini
//           improved algorithm for 2nd track handling in case of pile-up in TSM
//           param: tsmgetcarryflag - value: 1 (default)
//   feb04 - Implementation of sector collector related stuff(S. Marcellini)
//   jan07 - C. Battilana local conf update
//   mar07 - S. Vanini : parameters from DTConfigManager 
//
//--------------------------------------------------

#include "L1TriggerConfig/DTTPGConfig/interface/BitArray.h"

//-----------------------
// This Class's Header --
//-----------------------
#include "L1Trigger/DTTriggerServerPhi/interface/DTTSPhi.h"

//-------------------------------
// Collaborating Class Headers --
//-------------------------------
#include "L1Trigger/DTTraco/interface/DTTracoCard.h"
#include "L1Trigger/DTTraco/interface/DTTracoTrigData.h"
#include "L1Trigger/DTTriggerServerPhi/interface/DTTSS.h"
#include "L1Trigger/DTTriggerServerPhi/interface/DTTSM.h"
#include "L1Trigger/DTTriggerServerPhi/interface/DTTSCand.h"

//---------------
// C++ Headers --
//---------------
#include <iostream>

//----------------
// Constructors --
//----------------
DTTSPhi::DTTSPhi(DTTrigGeom* geom, DTTracoCard* tracocard) : 
  DTGeomSupplier(geom), _tracocard(tracocard){

  // reserve the appropriate amount of space for vectors
  int i=0;
  for(i=0;i<DTConfigTSPhi::NSTEPL - DTConfigTSPhi::NSTEPF + 1 ;i++) {  // SM add + 1
    _tss[i].reserve(DTConfigTSPhi::NTSSTSM);
    // DBSM-doubleTSM
    _tsm[i].reserve(DTConfigTSPhi::NTSMD);
  }

  for(int is=0;is<DTConfigTSPhi::NSTEPL-DTConfigTSPhi::NSTEPF+1;is++) {

    // create DTTSSs  
    for(int itss=1; itss<=DTConfigTSPhi::NTSSTSM; itss++) {
      DTTSS* tss = new DTTSS(itss);
      _tss[is].push_back(tss);
    }

    // create DTTSMs     SM double TSM  
    for(int itsmd=1; itsmd<=DTConfigTSPhi::NTSMD; itsmd++) {
      DTTSM* tsm = new DTTSM(itsmd);
      _tsm[is].push_back(tsm);
    }
  }
}


//--------------
// Destructor --
//--------------
DTTSPhi::~DTTSPhi(){

  std::vector<DTTSS*>::iterator ptss;
  std::vector<DTTSM*>::iterator ptsm;
  for(int is=0;is<DTConfigTSPhi::NSTEPL-DTConfigTSPhi::NSTEPF+1;is++){
    // clear TSSs
    for (ptss = _tss[is].begin(); ptss != _tss[is].end(); ptss++){
      delete (*ptss);
    }
    _tss[is].clear();
    // clear TSMs
    for (ptsm = _tsm[is].begin(); ptsm != _tsm[is].end(); ptsm++){
      delete (*ptsm);
    }
    _tsm[is].clear();

  }
  
  localClear();
  
  //delete _config;

}


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

void
DTTSPhi::localClear() {
  for(int is=0;is<DTConfigTSPhi::NSTEPL-DTConfigTSPhi::NSTEPF+1;is++) {
    // clear buffer
    std::vector<DTTSCand*>::iterator p1;
    for(p1 = _tctrig[is].begin(); p1 != _tctrig[is].end(); p1++) {
      delete (*p1);
    }
    _tctrig[is].clear();
    
    std::vector<DTTSS*>::iterator ptss;
    for(ptss = _tss[is].begin(); ptss != _tss[is].end(); ptss++) {
      (*ptss)->clear();
    }
    // clear all DTTSM
    std::vector<DTTSM*>::iterator ptsm;
    for(ptsm = _tsm[is].begin(); ptsm != _tsm[is].end(); ptsm++) {
      (*ptsm)->clear();
    }
  }
}

void
DTTSPhi::setConfig (const DTConfigManager *conf){

  DTChamberId sid = ChamberId();
  _config = conf->getDTConfigTSPhi(sid);

  for(int is=0;is<DTConfigTSPhi::NSTEPL-DTConfigTSPhi::NSTEPF+1;is++) {

    // set TSS config
    std::vector<DTTSS*>::iterator ptss;
    for (ptss = _tss[is].begin(); ptss != _tss[is].end(); ptss++){
      (*ptss)->setConfig(config());
    }
    // set TSM config
    std::vector<DTTSM*>::iterator ptsm;
    for (ptsm = _tsm[is].begin(); ptsm != _tsm[is].end(); ptsm++){
      (*ptsm)->setConfig(config());
    }

  }

}

void
DTTSPhi::loadTSPhi() {

  // clear DTTSSs and DTTSM 
  localClear();
  
  if(config()->debug()){
    std::cout << "DTTSPhi::loadDTTSPhi called for wheel=" << wheel() ;
    std::cout <<                                ", station=" << station();
    std::cout <<                                ", sector="  << sector() << std::endl;
  }
  
  // loop on all TRACO triggers
  std::vector<DTTracoTrigData>::const_iterator p;
  std::vector<DTTracoTrigData>::const_iterator pend=_tracocard->end();
  for(p=_tracocard->begin();p!=pend;p++){

    if(config()->usedTraco(p->tracoNumber()) /*|| config()->usedTraco(p->tracoNumber())==1*/ ) {
      int step = p->step();
      int fs = (p->isFirst()) ? 1 : 2 ;
            
      // if first track is found inhibit second track processing in previous BX
      if( fs==1 && step>DTConfigTSPhi::NSTEPF)
        ignoreSecondTrack(step-1,p->tracoNumber());
      
      // load trigger
      addTracoT( step, &(*p), fs );   
    }
  }
}

void
DTTSPhi::addTracoT(int step, const DTTracoTrigData* tracotrig, int ifs) {
  if(step<DTConfigTSPhi::NSTEPF||step>DTConfigTSPhi::NSTEPL){
    std::cout << "DTTSPhi::addTracoT: step out of range: " << step;
    std::cout << " trigger not added!" << std::endl;
    return;
  }
  // Check that a preview is present and code is not zero
  if(!tracotrig->pvCode() || !tracotrig->code() ) {
    std::cout << "DTTSPhi::addTracoT: preview not present in TRACO trigger or its code=0 ";
    std::cout << " trigger not added!" << std::endl;
    return;
  }
  
  // Get the appropriate TSS
  int itss = (tracotrig->tracoNumber() -1 ) / DTConfigTSPhi::NTCTSS + 1;
  if(itss<1 || itss>DTConfigTSPhi::NTSSTSM) {
    std::cout << "DTTSPhi::addTracoT: wrong TRACO number: ";
    std::cout << tracotrig->tracoNumber();
    std::cout << " trigger not added!" << std::endl;
    return;
  }
  
  // TSM status check (if it is the case, reject TRACO triggers related to broken TSMData)
  if( config()->TsmStatus().element(itss)==0){      // TSMD broken
    return;
  }

  int pos = tracotrig->tracoNumber() - (itss-1)*DTConfigTSPhi::NTCTSS;
  DTTSS* tss = getDTTSS(step,itss);
  
  // Create a new Trigger Server candidate
  DTTSCand* cand = new DTTSCand(tss, tracotrig, ifs, pos);
  
  // Add it to the buffer and to the TSS  
  _tctrig[step-DTConfigTSPhi::NSTEPF].push_back(cand);
  tss->addDTTSCand(cand);

  // Debugging...
  if(config()->debug()){
    std::cout << "DTTSPhi::addTracoT at step " << step;
    if(ifs==1) {
      std::cout << " (first track)";
    } else {
      std::cout << " (second track)";
    }
    std::cout << " from TRACO " << tracotrig->tracoNumber();
    std::cout << " to TSS " << tss->number() << ", position=" << pos << std::endl;
    tracotrig->print();
  }
  // end debugging

}

void
DTTSPhi::runTSPhi() {

  DTTSCand* secondPrevBx = 0;    // new DTTSCand;

  bool existSecondPrevBx = false;
  int itsmd = 1;  // initialize it to 1, default value if not in back up mode
  int ntsm[DTConfigTSPhi::NSTEPL+1-DTConfigTSPhi::NSTEPF][DTConfigTSPhi::NTSMD];  
  int i_tsmd;
  
  for(int is=DTConfigTSPhi::NSTEPF;is<DTConfigTSPhi::NSTEPL+1;is++) {
    // loop on DTTSSs
    int ntss = 0;
    i_tsmd = 0;
    ntsm[is-DTConfigTSPhi::NSTEPF][0] = 0; // counter to make sector collector run if at least a tsm 
    ntsm[is-DTConfigTSPhi::NSTEPF][1] = 0;
    std::vector<DTTSS*>::iterator p;
    for(p=_tss[is-DTConfigTSPhi::NSTEPF].begin(); 
        p<_tss[is-DTConfigTSPhi::NSTEPF].end(); p++) {
      if((*p)->nTracoT(1)>0) {
        // run DTTSS algorithm on non-empty DTTSSs
        (*p)->run();
        // load DTTSM with output DTTSS tracks
        if((*p)->nTracks()>0){
          for(int it=1;it<=(*p)->nTracks();it++){
            //--- SM double TSM    get the corresponding tsm data 
            int bkmod = config()->TsmStatus().element(0);
            if (bkmod==0) {    // we are in back-up mode
              int my_itss = (*p)->number();   // metodo di DTTSS che ritorna itss
              int ntsstsmd = config()->TSSinTSMD(station(),sector());
              if(ntsstsmd<2 || ntsstsmd>DTConfigTSPhi::NTSSTSMD) {                 
                std::cout << " DTTSPhi::addTracoT - wrong TSMD: " << ntsstsmd << std::endl;
              }
  
              // Get the appropriate TSMD
              itsmd = (my_itss -1 ) / ntsstsmd + 1;
              if(config()->debug()){
                std::cout << " DTTSPhi::addTracoT: itsmd = (my_itss -1 ) / ntsstsmd + 1  ---> my_itss = " <<
                  my_itss << "  ntsstsmd = " << ntsstsmd << "  itsmd = " << itsmd << std::endl;}
            }
            else if(bkmod==1) {
              itsmd = 1;  // initialize it to 1, default value if not in back up mode
            }
            if(itsmd>2) std::cout << "****** >DTTSPhi::RunTSPhi wrong  itsmd = " << itsmd << std::endl; 
            DTTSM* tsm = getDTTSM(is,itsmd); 
            tsm->addCand((*p)->getTrack(it));
          }
          ntss++;
        } // end loop on output DTTSS tracks
      }
    } // end loop on DTTSSs
    
    
    // at least a DTTSS with signal. Run DTTSM
 
    std::vector<DTTSM*>::iterator p_tsm;
    
    for(p_tsm=_tsm[is-DTConfigTSPhi::NSTEPF].begin(); 
        p_tsm<_tsm[is-DTConfigTSPhi::NSTEPF].end(); p_tsm++) {
      
      // Run TSM sorting if at least a first track 

      i_tsmd = (*p_tsm)->number()-1; // returns itsmd (0 in default, 0 or 1 when bkmode )
      
      if((*p_tsm)->nCand(1)>0) {  
        int bkmod = config()->TsmStatus().element(0);

        (*p_tsm)->run(bkmod);   // bkmod 1 normal, 0 backup
        // Run TSM for current BX in case of 1st Tracks
        // Run TSM for previous BX for second tracks, to check whether there is a pile up
        // Tells whether a second track at previous BX exists
        
        if((*p_tsm)->nTracks()>0){
          // We have a first track. Store it if code is > 0
          
          if((*p_tsm)->getTrack(1)->tracoTr()->code()>0) {
            
            DTTSCand* first = (*p_tsm)->getTrack(1);
            if( config()->TsmGetCarryFlag()==0 ) {  //  get 1st tk at current BX and ignore any 2nd tk at previous BX
              
              _cache.push_back(DTChambPhSegm(ChamberId(),is,(*p_tsm)->getTrack(1)->tracoTr(),1));
              ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;  // SM increment ntsm at current BX
              if( config()->debug())
                std::cout << "ntsm = " <<  ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd] << " is = " << is << " i_tsmd = " << i_tsmd << std::endl; 
              if((*p_tsm)->nTracks()>1)   {  // there is a 2nd tk
                if((*p_tsm)->getTrack(2)->tracoTr()->code()>0) {   // check if its code > 0
                  ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;
                  if( config()->debug())
                    std::cout << "ntsm = " <<  ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd] << " is = " << is << " i_tsmd = " << i_tsmd << std::endl; 
                  
                  secondPrevBx=(*p_tsm)->getTrack(2) ;   // assign second tk of previous BX
                  
                }
              }
            }
            else if( config()->TsmGetCarryFlag()==1 ) {   // compare with 2nd tk in previous BX and get the tk with better quality
              existSecondPrevBx = ((is-1-DTConfigTSPhi::NSTEPF>=0) &&  ( ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd]>1) &&   
                                   (secondPrevBx->tracoTr()->code()>0));                
              if( (!existSecondPrevBx)  || 
                  ! (   (secondPrevBx->isCorr() && secondPrevBx->isHtrig() && secondPrevBx->isInner()) ||             
                        (secondPrevBx->isCorr() && secondPrevBx->isHtrig() && !secondPrevBx->isInner())  ||           
                        (!secondPrevBx->isCorr() && secondPrevBx->isHtrig() && secondPrevBx->isInner()) )           ||
                  
                  ( (secondPrevBx->isCorr() && secondPrevBx->isHtrig() && secondPrevBx->isInner()) &&
                    (first->isCorr() && first->isHtrig() && first->isInner()) ) ||
                  
                  ( (secondPrevBx->isCorr() && secondPrevBx->isHtrig() && !secondPrevBx->isInner()) &&
                    ( (first->isCorr() && first->isHtrig() && first->isInner()) || 
                      (first->isCorr() && first->isHtrig() && !first->isInner()) ) ) ||
                  
                  ( (!secondPrevBx->isCorr() && secondPrevBx->isHtrig() && secondPrevBx->isInner()) && 
                    !( (!first->isCorr() && first->isHtrig() && !first->isInner())  || 
                       (!first->isCorr() && !first->isHtrig() && first->isInner())  ||
                       (!first->isCorr() && !first->isHtrig() && !first->isInner()) ||
                       (first->isCorr() && !first->isHtrig() && !first->isInner())  ||
                       (first->isCorr() && !first->isHtrig() && first->isInner()) ) )
                  ) {
                // SM sector collector
                ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;  // SM increment ntsm at current BX. I need to know if there is at least a first track from TSM to run Sect Coll
                
                _cache.push_back(DTChambPhSegm(ChamberId(),is,(*p_tsm)->getTrack(1)->tracoTr(),1));
                //              (*p_tsm)->getTrack(1)->print();
                
                if((*p_tsm)->nTracks()>1)   {  // there is a 2nd tk
                  ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;               
                  if((*p_tsm)->getTrack(2)->tracoTr()->code()>0) {   // check if its code > 0
                    secondPrevBx=(*p_tsm)->getTrack(2) ;   // assign second previous BX
                  }
                }
              }
              else   {      // if 2nd tk prev BX is better than first present BX skip the event and get 2nd prev BX 
                ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd]++;  // SM increment ntsm at previous BX.
                _cache.push_back(DTChambPhSegm(ChamberId(),is-1,secondPrevBx->tracoTr(),2));
                //secondPrevBx->print();
              }
            }
            
            else if( config()->TsmGetCarryFlag()==2 ) {  // neglect first tk if it is a low uncorrelated trigger
              existSecondPrevBx = ((is-1-DTConfigTSPhi::NSTEPF>=0) && (ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd] >1) && (secondPrevBx->tracoTr()->code()>0));
              if( (!existSecondPrevBx) || first->isHtrig() || first->isCorr()) {
                ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;  // SM increment ntsm at current BX. 
                // SM sector collector: Load DTSectColl with output of DTTSM
                _cache.push_back(DTChambPhSegm(ChamberId(),is,(*p_tsm)->getTrack(1)->tracoTr(),1));
                //              (*p_tsm)->getTrack(1)->print();
                
                if((*p_tsm)->nTracks()>1)   {  // there is a 2nd tk
                  ntsm[is-DTConfigTSPhi::NSTEPF][i_tsmd]++;
                  if((*p_tsm)->getTrack(2)->tracoTr()->code()>0) {   // check if its code > 0
                    secondPrevBx=(*p_tsm)->getTrack(2) ;   // assign second tk of previous BX
                  }
                }
              }
              else {
                ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd]++;  // SM increment ntsm at previous BX. 
                _cache.push_back(DTChambPhSegm(ChamberId(),is-1,secondPrevBx->tracoTr(),2));
                //              secondPrevBx->print(); 
              }
            }
          }
        }


      }      
      else if ( ((*p_tsm)->nCand(1) == 0) && (is-1-DTConfigTSPhi::NSTEPF>=0) && ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd] > 0 ) {// it means that the last BX with sort 2 was not the previous one
        existSecondPrevBx = ((is-1-DTConfigTSPhi::NSTEPF>=0) && (ntsm[is-1-DTConfigTSPhi::NSTEPF][i_tsmd]>1) && (secondPrevBx->tracoTr()->code()>0));
        if(existSecondPrevBx) {
          _cache.push_back(DTChambPhSegm(ChamberId(),is-1,secondPrevBx->tracoTr(),2));
          
          //      secondPrevBx->print();
        }
      }
    } 
      //---
    
  }   // end loop on step  
  // debugging...
  if(config()->debug()){
    if(_cache.size()>0){
      std::cout << "====================================================" << std::endl;
      std::cout << "                  Phi segments                     " << std::endl;
      std::vector<DTChambPhSegm>::const_iterator p;
      for(p=_cache.begin();p<_cache.end();p++) {
        p->print();
        
      }
      std::cout << "====================================================" << std::endl;
    }
  }
  //  end debugging
  
  
}

void
DTTSPhi::ignoreSecondTrack(int step, int tracon) {
  
  int itsmd = 1; // initialize it to default
  
  if(step<DTConfigTSPhi::NSTEPF||step>DTConfigTSPhi::NSTEPL){
    std::cout << "DTTSPhi::ignoreSecondTrack: step out of range: " << step;
    std::cout << " no flag set!" << std::endl;
    return;
  }
  int itss = (tracon-1 ) / DTConfigTSPhi::NTCTSS + 1;
  if(itss<1 || itss>DTConfigTSPhi::NTSSTSM) {
    std::cout << "DTTSPhi::ignoreSecondTrack: wrong TRACO number: " << tracon;
    std::cout << " no flag set!" << std::endl;
    return;
  }
  DTTSS* tss = getDTTSS(step,itss);
  tss->ignoreSecondTrack();
  
  int bkmod = config()->TsmStatus().element(0);
  if (bkmod==0) {  // we are in back-up mode
    
    int ntsstsmd = config()->TSSinTSMD(station(),sector());
    // Get the appropriate TSMD
    itsmd = (itss -1 ) / ntsstsmd + 1;
    
  } 
  
  DTTSM* tsm = getDTTSM(step,itsmd);
  tsm->ignoreSecondTrack();
}

DTTSS*
DTTSPhi::getDTTSS(int step, unsigned n) const {
  if(step<DTConfigTSPhi::NSTEPF||step>DTConfigTSPhi::NSTEPL){
    std::cout << "DTTSPhi::getDTTSS: step out of range: " << step;
    std::cout << " empty pointer returned!" << std::endl;
    return 0;
  }
  if(n<1 || n>_tss[step-DTConfigTSPhi::NSTEPF].size()){
    std::cout << "DTTSPhi::getDTTSS: requested DTTSS not present: " << n;
    std::cout << " (at step " << step << ")";
    std::cout << " empty pointer returned!" << std::endl;
    return 0;
  }
  
  std::vector<DTTSS*>::const_iterator p = _tss[step-DTConfigTSPhi::NSTEPF].begin()+n-1;
  return *p;
  
  
}


DTTSM*
DTTSPhi::getDTTSM(int step, unsigned n) const {
  if(step<DTConfigTSPhi::NSTEPF||step>DTConfigTSPhi::NSTEPL){
    std::cout << "DTTSPhi::getDTTSM: step out of range: " << step;
    std::cout << " empty pointer returned!" << std::endl;
    return 0;
  }
  if(n<1 || n>_tsm[step-DTConfigTSPhi::NSTEPF].size()){
    std::cout << "DTTSPhi::getDTTSM: requested DTTSM not present: " << n;
    std::cout << " (at step " << step << ")";
    std::cout << " empty pointer returned!" << std::endl;
    return 0;
  }
  std::vector<DTTSM*>::const_iterator p_tsm = _tsm[step-DTConfigTSPhi::NSTEPF].begin()+n-1;
  return *p_tsm;
}



int 
DTTSPhi::nSegm(int step) {
  int n=0;
  std::vector<DTChambPhSegm>::const_iterator p; //p=0;
  for(p=begin(); p<end(); p++) {
    if(p->step()==step)n++;
  }
  return n;
}

const DTChambPhSegm*
DTTSPhi::segment(int step, unsigned n) {
  std::vector<DTChambPhSegm>::const_iterator p; //p=0;
  for(p=begin();p<end();p++){
    if(p->step()==step&&((n==1&&p->isFirst())||(n==2&&!p->isFirst())))
      return  &(*p);// p;
  }
  return 0;
}

LocalPoint 
DTTSPhi::localPosition(const DTTrigData* tr) const {
  //@@ patch for Sun 4.2 compiler
  //sm DTChambPhSegm* trig = dynamic_cast<DTChambPhSegm*>(const_cast<DTTrigData*>(tr));
    const DTChambPhSegm* trig = dynamic_cast<const DTChambPhSegm*>(tr);
  if(!trig) {
    std::cout << "DTTSPhi::LocalPosition called with wrong argument!" << std::endl;
    return LocalPoint(0,0,0);
  }
     return _tracocard->localPosition(trig->tracoTrig());
}

LocalVector 
DTTSPhi::localDirection(const DTTrigData* tr) const  {
  DTChambPhSegm* trig = dynamic_cast<DTChambPhSegm*>(const_cast<DTTrigData*>(tr));
  //  const DTChambPhSegm* trig = dynamic_cast<const DTChambPhSegm*>(tr);
  if(!trig) {
    std::cout << "DTTSPhi::LocalDirection called with wrong argument!" << std::endl;
    return LocalVector(0,0,0);
  }
    return _tracocard->localDirection(trig->tracoTrig());
}