#include <RPCSimSimple.h>

Inheritance diagram for RPCSimSimple:

Public Member Functions
	RPCSimSimple (const edm::ParameterSet &config)

void	simulate (const RPCRoll roll, const edm::PSimHitContainer &rpcHits, CLHEP::HepRandomEngine ) override

void	simulateNoise (const RPCRoll , CLHEP::HepRandomEngine ) override

	~RPCSimSimple () 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	gate

int	N_hits

int	nbxing

double	rate

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 very simple model

Author: Marcello Maggi – INFN Bari

Definition at line 19 of file RPCSimSimple.h.

Constructor & Destructor Documentation

◆ RPCSimSimple()

RPCSimSimple::RPCSimSimple ( const edm::ParameterSet & config )

Definition at line 20 of file RPCSimSimple.cc.

                                                         : RPCSim(config) {
   rate = config.getParameter<double>("Rate");
   nbxing = config.getParameter<int>("Nbxing");
   gate = config.getParameter<double>("Gate");
  
   _rpcSync = new RPCSynchronizer(config);
 }

References _rpcSync, gate, nbxing, and rate.

◆ ~RPCSimSimple()

RPCSimSimple::~RPCSimSimple ( )

override

Definition at line 28 of file RPCSimSimple.cc.

28 { delete _rpcSync; }

References _rpcSync.

Member Function Documentation

◆ init()

void RPCSimSimple::init ( void )

inlineoverrideprivatevirtual

Implements RPCSim.

Definition at line 29 of file RPCSimSimple.h.

29 {};

◆ simulate()

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

overridevirtual

Implements RPCSim.

Definition at line 30 of file RPCSimSimple.cc.

                                                                                                                  {
   _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);
     //    const LocalPoint& exit=_hit->exitPoint();
  
     std::pair<int, int> digi(topology.channel(entr) + 1, time_hit);
  
     theDetectorHitMap.insert(DetectorHitMap::value_type(digi, &(*_hit)));
     strips.insert(digi);
   }
 }

References _rpcSync, edm::DetSet< T >::clear(), RPCSim::getRPCSimSetUp(), RPCSynchronizer::getSimHitBx(), RPCRoll::id(), DetId::rawId(), RPCSynchronizer::setRPCSimSetUp(), RPCRoll::specs(), RPCSim::strips, RPCSim::theDetectorHitMap, RPCSim::theRpcDigiSimLinks, and RPCRollSpecs::topology().

◆ simulateNoise()

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

overridevirtual

Implements RPCSim.

Definition at line 50 of file RPCSimSimple.cc.

                                                                                   {
   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);
   }
 }