RPCSimParam Class Reference

#include <RPCSimParam.h>

Inheritance diagram for RPCSimParam:

Public Member Functions
	RPCSimParam (const edm::ParameterSet &config)
void	simulate (const RPCRoll *roll, const edm::PSimHitContainer &rpcHits, CLHEP::HepRandomEngine *) override
void	simulateNoise (const RPCRoll *, CLHEP::HepRandomEngine *) override
	~RPCSimParam ()
Public Member Functions inherited from RPCSim
const DigiSimLinks &	digiSimLinks () const
virtual void	fillDigis (int rollDetId, RPCDigiCollection &digis)
RPCSimSetUp *	getRPCSimSetUp ()
const RPCDigiSimLinks &	rpcDigiSimLinks () const
void	setRPCSimSetUp (RPCSimSetUp *setup)
virtual	~RPCSim ()

Private Member Functions
void	init ()

Private Attributes
RPCSynchronizer *	_rpcSync
double	aveCls
double	aveEff
double	dtimCs
double	gate
double	lbGate
int	N_hits
int	nbxing
double	rate
double	resEle
double	resRPC
bool	rpcdigiprint
double	sspeed
double	timOff

Additional Inherited Members
Public Types inherited from RPCSim
typedef edm::DetSet < StripDigiSimLink >	DigiSimLinks
typedef edm::DetSet < RPCDigiSimLink >	RPCDigiSimLinks
Protected Types inherited from RPCSim
typedef std::multimap < std::pair< unsigned int, int > , const PSimHit *, std::less < std::pair< unsigned int, int > > >	DetectorHitMap
Protected Member Functions inherited from RPCSim
virtual void	addLinks (unsigned int strip, int bx)
	RPCSim (const edm::ParameterSet &config)
Protected Attributes inherited from RPCSim
std::set< std::pair< int, int > >	strips
DetectorHitMap	theDetectorHitMap
DigiSimLinks	theDigiSimLinks
RPCDigiSimLinks	theRpcDigiSimLinks
RPCSimSetUp *	theSimSetUp

Detailed Description

Class for the RPC strip response simulation based on a parametrized model (ORCA-based)

Author

Marcello Maggi – INFN Bari

Definition at line 20 of file RPCSimParam.h.

Constructor & Destructor Documentation

RPCSimParam::RPCSimParam

(

const edm::ParameterSet &

config

)

Definition at line 12 of file RPCSimParam.cc.

References _rpcSync, aveCls, aveEff, gather_cfg::cout, dtimCs, gate, edm::ParameterSet::getParameter(), lbGate, nbxing, rate, resEle, resRPC, rpcdigiprint, sspeed, and timOff.

                                                      : RPCSim(config){
  aveEff = config.getParameter<double>("averageEfficiency");
  aveCls = config.getParameter<double>("averageClusterSize");
  resRPC = config.getParameter<double>("timeResolution");
  timOff = config.getParameter<double>("timingRPCOffset");
  dtimCs = config.getParameter<double>("deltatimeAdjacentStrip");
  resEle = config.getParameter<double>("timeJitter");
  sspeed = config.getParameter<double>("signalPropagationSpeed");
  lbGate = config.getParameter<double>("linkGateWidth");
  rpcdigiprint = config.getParameter<bool>("printOutDigitizer");

  rate=config.getParameter<double>("Rate");
  nbxing=config.getParameter<int>("Nbxing");
  gate=config.getParameter<double>("Gate");

  if (rpcdigiprint) {
    std::cout <<"Average Efficiency        = "<<aveEff<<std::endl;
    std::cout <<"Average Cluster Size      = "<<aveCls<<" strips"<<std::endl;
    std::cout <<"RPC Time Resolution       = "<<resRPC<<" ns"<<std::endl;
    std::cout <<"RPC Signal formation time = "<<timOff<<" ns"<<std::endl;
    std::cout <<"RPC adjacent strip delay  = "<<dtimCs<<" ns"<<std::endl;
    std::cout <<"Electronic Jitter         = "<<resEle<<" ns"<<std::endl;
    std::cout <<"Signal propagation time   = "<<sspeed<<" x c"<<std::endl;
    std::cout <<"Link Board Gate Width     = "<<lbGate<<" ns"<<std::endl;
  }

  _rpcSync = new RPCSynchronizer(config);
}

RPCSimParam::~RPCSimParam

(

)

Definition at line 41 of file RPCSimParam.cc.

References _rpcSync.

                         {
  delete _rpcSync;
}

Member Function Documentation

void RPCSimParam::init ( void  )

inlineprivatevirtual

Implements RPCSim.

Definition at line 34 of file RPCSimParam.h.

{};

void RPCSimParam::simulate ( const RPCRoll *  roll, const edm::PSimHitContainer &  rpcHits, CLHEP::HepRandomEngine *  engine  )

overridevirtual

Implements RPCSim.

Definition at line 47 of file RPCSimParam.cc.

References _rpcSync, aveCls, aveEff, RPCRoll::centreOfStrip(), GetRecoTauVFromDQM_MC_cff::cl, edm::DetSet< T >::clear(), alignCSCRings::e, RPCSim::getRPCSimSetUp(), RPCSynchronizer::getSimHitBx(), i, RPCRoll::id(), cmsBatch::log, RPCRoll::nstrips(), DetId::rawId(), RPCSynchronizer::setRPCSimSetUp(), RPCRoll::specs(), RPCSim::strips, RPCSim::theDetectorHitMap, RPCSim::theRpcDigiSimLinks, RPCRollSpecs::topology(), ecaldqm::topology(), w, and PV3DBase< T, PVType, FrameType >::x().

{
  _rpcSync->setRPCSimSetUp(getRPCSimSetUp());
  theRpcDigiSimLinks.clear();
  theDetectorHitMap.clear();
  theRpcDigiSimLinks = RPCDigiSimLinks(roll->id().rawId());

  const Topology& topology=roll->specs()->topology();

  for (edm::PSimHitContainer::const_iterator _hit = rpcHits.begin();
       _hit != rpcHits.end(); ++_hit){

    // Here I hould check if the RPC are up side down;
    const LocalPoint& entr=_hit->entryPoint();
    int time_hit = _rpcSync->getSimHitBx(&(*_hit), engine);

    // Effinciecy
    float eff = CLHEP::RandFlat::shoot(engine);
    if (eff < aveEff) {

      int centralStrip = topology.channel(entr)+1;  
      int fstrip=centralStrip;
      int lstrip=centralStrip;
      // Compute the cluster size
      double w = CLHEP::RandFlat::shoot(engine);
      if (w < 1.e-10) w=1.e-10;
      int clsize = static_cast<int>( -1.*aveCls*log(w)+1.);
      std::vector<int> cls;
      cls.push_back(centralStrip);
      if (clsize > 1){
    for (int cl = 0; cl < (clsize-1)/2; cl++)
      if (centralStrip - cl -1 >= 1  ){
        fstrip = centralStrip-cl-1;
        cls.push_back(fstrip);
      }
    for (int cl = 0; cl < (clsize-1)/2; cl++)
      if (centralStrip + cl + 1 <= roll->nstrips() ){
        lstrip = centralStrip+cl+1;
        cls.push_back(lstrip);
      }
    if (clsize%2 == 0 ){
      // insert the last strip according to the 
      // simhit position in the central strip 
      double deltaw=roll->centreOfStrip(centralStrip).x()-entr.x();
      if (deltaw<0.) {
        if (lstrip < roll->nstrips() ){
          lstrip++;
          cls.push_back(lstrip);
        }
      }else{
        if (fstrip > 1 ){
          fstrip--;
          cls.push_back(fstrip);
        }
      }
    }
      }

      for (std::vector<int>::iterator i=cls.begin(); i!=cls.end();i++){
    // Check the timing of the adjacent strip
    std::pair<unsigned int, int> digi(*i,time_hit);

    theDetectorHitMap.insert(DetectorHitMap::value_type(digi,&(*_hit)));
    strips.insert(digi);
      }
    }
  }
}

void RPCSimParam::simulateNoise ( const RPCRoll *  roll, CLHEP::HepRandomEngine *  engine  )

overridevirtual

Implements RPCSim.

Definition at line 119 of file RPCSimParam.cc.

References compareJSON::const, gate, i, RPCRoll::id(), RectangularStripTopology::localPosition(), TrapezoidalStripTopology::localPosition(), N_hits, nbxing, RPCRoll::nstrips(), rate, RPCDetId::region(), RectangularStripTopology::stripLength(), TrapezoidalStripTopology::stripLength(), RPCSim::strips, RPCRoll::topology(), x, SiStripMonitorClusterAlca_cfi::xmax, and SiStripMonitorClusterAlca_cfi::xmin.

{

  RPCDetId rpcId = roll->id();
  int nstrips = roll->nstrips();
  double area = 0.0;
  
  if ( rpcId.region() == 0 )
    {
      const RectangularStripTopology* top_ = dynamic_cast<const
    RectangularStripTopology*>(&(roll->topology()));
      float xmin = (top_->localPosition(0.)).x();
      float xmax = (top_->localPosition((float)roll->nstrips())).x();
      float striplength = (top_->stripLength());
      area = striplength*(xmax-xmin);
    }
  else
    {
      const TrapezoidalStripTopology* top_=dynamic_cast<const TrapezoidalStripTopology*>(&(roll->topology()));
      float xmin = (top_->localPosition(0.)).x();
      float xmax = (top_->localPosition((float)roll->nstrips())).x();
      float striplength = (top_->stripLength());
      area = striplength*(xmax-xmin);
    }

  double ave = rate*nbxing*gate*area*1.0e-9;
  
  CLHEP::RandPoissonQ randPoissonQ(*engine, ave);
  N_hits = randPoissonQ.fire();

  for (int i = 0; i < N_hits; i++ ){   
    int strip = static_cast<int>(CLHEP::RandFlat::shoot(engine, 1, nstrips));
    int time_hit;
    time_hit = (static_cast<int>(CLHEP::RandFlat::shoot(engine, (nbxing*gate)/gate))) - nbxing/2;
    std::pair<int, int> digi(strip,time_hit);
    strips.insert(digi);
  }

}

Member Data Documentation

RPCSynchronizer* RPCSimParam::_rpcSync

private

Definition at line 51 of file RPCSimParam.h.

Referenced by RPCSimParam(), simulate(), and ~RPCSimParam().

double RPCSimParam::aveCls

private

Definition at line 37 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulate().

double RPCSimParam::aveEff

private

Definition at line 34 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulate().

double RPCSimParam::dtimCs

private

Definition at line 40 of file RPCSimParam.h.

Referenced by RPCSimParam().

double RPCSimParam::gate

private

Definition at line 49 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

double RPCSimParam::lbGate

private

Definition at line 43 of file RPCSimParam.h.

Referenced by RPCSimParam().

int RPCSimParam::N_hits

private

Definition at line 46 of file RPCSimParam.h.

Referenced by simulateNoise().

int RPCSimParam::nbxing

private

Definition at line 47 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

double RPCSimParam::rate

private

Definition at line 48 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

double RPCSimParam::resEle

private

Definition at line 41 of file RPCSimParam.h.

Referenced by RPCSimParam().

double RPCSimParam::resRPC

private

Definition at line 38 of file RPCSimParam.h.

Referenced by RPCSimParam().

bool RPCSimParam::rpcdigiprint

private

Definition at line 44 of file RPCSimParam.h.

Referenced by RPCSimParam().

double RPCSimParam::sspeed

private

Definition at line 42 of file RPCSimParam.h.

Referenced by RPCSimParam().

double RPCSimParam::timOff

private

Definition at line 39 of file RPCSimParam.h.

Referenced by RPCSimParam().