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 () override
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 () override

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< RPCDigi >	irpc_digis
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::RPCSimParam

(

const edm::ParameterSet &

config

)

Definition at line 12 of file RPCSimParam.cc.

References _rpcSync, aveCls, aveEff, gather_cfg::cout, dtimCs, gate, 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::~RPCSimParam ( )

override

Definition at line 41 of file RPCSimParam.cc.

References _rpcSync.

{ delete _rpcSync; }

Member Function Documentation

init()

void RPCSimParam::init ( void  )

inlineoverrideprivatevirtual

Implements RPCSim.

Definition at line 30 of file RPCSimParam.h.

{};

simulate()

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

overridevirtual

Implements RPCSim.

Definition at line 43 of file RPCSimParam.cc.

References _rpcSync, aveCls, aveEff, RPCRoll::centreOfStrip(), haddnano::cl, edm::DetSet< T >::clear(), MillePedeFileConverter_cfg::e, RPCSim::getRPCSimSetUp(), RPCSynchronizer::getSimHitBx(), mps_fire::i, RPCRoll::id(), dqm-mbProfile::log, RPCRoll::nstrips(), DetId::rawId(), RPCSynchronizer::setRPCSimSetUp(), RPCRoll::specs(), RPCSim::strips, RPCSim::theDetectorHitMap, RPCSim::theRpcDigiSimLinks, RPCRollSpecs::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);
      }
    }
  }
}

simulateNoise()

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

overridevirtual

Implements RPCSim.

Definition at line 109 of file RPCSimParam.cc.

References custom_jme_cff::area, gate, mps_fire::i, RPCRoll::id(), RectangularStripTopology::localPosition(), TrapezoidalStripTopology::localPosition(), N_hits, nbxing, RPCRoll::nstrips(), rate, RPCDetId::region(), digitizers_cfi::strip, RectangularStripTopology::stripLength(), TrapezoidalStripTopology::stripLength(), RPCSim::strips, RPCRoll::topology(), x, TrackerOfflineValidation_Dqm_cff::xmax, and TrackerOfflineValidation_Dqm_cff::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

_rpcSync

RPCSynchronizer* RPCSimParam::_rpcSync

private

Definition at line 48 of file RPCSimParam.h.

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

aveCls

double RPCSimParam::aveCls

private

Definition at line 34 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulate().

aveEff

double RPCSimParam::aveEff

private

Definition at line 30 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulate().

dtimCs

double RPCSimParam::dtimCs

private

Definition at line 37 of file RPCSimParam.h.

Referenced by RPCSimParam().

gate

double RPCSimParam::gate

private

Definition at line 46 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

lbGate

double RPCSimParam::lbGate

private

Definition at line 40 of file RPCSimParam.h.

Referenced by RPCSimParam().

N_hits

int RPCSimParam::N_hits

private

Definition at line 43 of file RPCSimParam.h.

Referenced by simulateNoise().

nbxing

int RPCSimParam::nbxing

private

Definition at line 44 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

rate

double RPCSimParam::rate

private

Definition at line 45 of file RPCSimParam.h.

Referenced by RPCSimParam(), and simulateNoise().

resEle

double RPCSimParam::resEle

private

Definition at line 38 of file RPCSimParam.h.

Referenced by RPCSimParam().

resRPC

double RPCSimParam::resRPC

private

Definition at line 35 of file RPCSimParam.h.

Referenced by RPCSimParam().

rpcdigiprint

bool RPCSimParam::rpcdigiprint

private

Definition at line 41 of file RPCSimParam.h.

Referenced by RPCSimParam().

sspeed

double RPCSimParam::sspeed

private

Definition at line 39 of file RPCSimParam.h.

Referenced by RPCSimParam().

timOff

double RPCSimParam::timOff

private

Definition at line 36 of file RPCSimParam.h.

Referenced by RPCSimParam().