l1t::Stage2TowerCompressAlgorithmFirmwareImp1 Class Reference

#include <Stage2TowerCompressAlgorithmFirmware.h>

Inheritance diagram for l1t::Stage2TowerCompressAlgorithmFirmwareImp1:

Public Member Functions
void	processEvent (const std::vector< l1t::CaloTower > &inTowers, std::vector< l1t::CaloTower > &outTowers) override
	Stage2TowerCompressAlgorithmFirmwareImp1 (CaloParamsHelper const *params)
	~Stage2TowerCompressAlgorithmFirmwareImp1 () override
Public Member Functions inherited from l1t::Stage2TowerCompressAlgorithm
virtual	~Stage2TowerCompressAlgorithm ()

Private Attributes
CaloParamsHelper const *	params_

Detailed Description

Author

: Jim Brooke

Description: first iteration of stage 2 jet algo

Definition at line 22 of file Stage2TowerCompressAlgorithmFirmware.h.

Constructor & Destructor Documentation

l1t::Stage2TowerCompressAlgorithmFirmwareImp1::Stage2TowerCompressAlgorithmFirmwareImp1

(

CaloParamsHelper const *

params

)

Definition at line 12 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

                                                                                                                    :
  params_(params)
{

}

l1t::Stage2TowerCompressAlgorithmFirmwareImp1::~Stage2TowerCompressAlgorithmFirmwareImp1 ( )

override

Definition at line 19 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

                                                                                       {


}

Member Function Documentation

void l1t::Stage2TowerCompressAlgorithmFirmwareImp1::processEvent ( const std::vector< l1t::CaloTower > &  inTowers, std::vector< l1t::CaloTower > &  outTowers  )

overridevirtual

Implements l1t::Stage2TowerCompressAlgorithm.

Definition at line 25 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

References l1t::CaloParamsHelper::doTowerEncoding(), objects.autophobj::float, createfilelist::int, cmsBatch::log, params_, particleFlowDisplacedVertex_cfi::ratio, l1t::L1Candidate::setHwEta(), l1t::CaloTower::setHwEtEm(), l1t::CaloTower::setHwEtHad(), l1t::CaloTower::setHwEtRatio(), l1t::L1Candidate::setHwPhi(), l1t::L1Candidate::setHwPt(), l1t::L1Candidate::setHwQual(), l1t::CaloParamsHelper::towerMaskRatio(), l1t::CaloParamsHelper::towerMaskSum(), and globals_cff::x2.

                                                                      {
  outTowers.reserve(outTowers.size()+inTowers.size());
  for ( auto tow = inTowers.begin();
    tow != inTowers.end();
    ++tow ) {

    if (!params_->doTowerEncoding()) {

      outTowers.push_back( *tow );

    }

    else {

      int etEm  = tow->hwEtEm();
      int etHad = tow->hwEtHad();
      
      int ratio = 0;
      if (etEm>0 && etHad>0) {
    if (etEm>=etHad) ratio = (int) std::round(log(float(etEm) / float(etHad))/log(2.));
    else ratio = (int) std::round(log(float(etHad) / float(etEm))/log(2.));
      }

      if (ratio >= params_->towerMaskRatio())
    ratio = params_->towerMaskRatio();
      
      int sum  = etEm + etHad;

      // apply 
      if (sum >= params_->towerMaskSum())
    sum = params_->towerMaskSum();
      
      int qual = 0;
      qual |= (etEm==0 || etHad==0 ? 0x1 : 0x0 );  // denominator ==0 flag
      qual |= ((etHad==0 && etEm>0) || etEm>=etHad ? 0x2 : 0x0 );  // E/H flag
      qual |= (tow->hwQual() & 0xc); // get feature bits from existing tower
      
      l1t::CaloTower newTow;
      newTow.setHwEtEm(etEm);
      newTow.setHwEtHad(etHad);
      newTow.setHwEta( tow->hwEta() );
      newTow.setHwPhi( tow->hwPhi() );
      newTow.setHwPt( sum );
      newTow.setHwEtRatio( ratio );
      newTow.setHwQual( qual );
      
      outTowers.push_back(newTow);
      
    }

  }

}

Member Data Documentation

CaloParamsHelper const* l1t::Stage2TowerCompressAlgorithmFirmwareImp1::params_

private

Definition at line 29 of file Stage2TowerCompressAlgorithmFirmware.h.

Referenced by processEvent().