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#include <DTDigitizer.h>
Classes | |
| struct | hitLessT |
Public Member Functions | |
| DTDigitizer (const edm::ParameterSet &) | |
| virtual void | produce (edm::Event &, const edm::EventSetup &) |
| ~DTDigitizer () | |
Private Types | |
| typedef std::map< DTWireId, std::vector< const PSimHit * > > | DTWireIdMap |
| typedef DTWireIdMap::const_iterator | DTWireIdMapConstIter |
| typedef DTWireIdMap::iterator | DTWireIdMapIter |
| typedef std::pair< const PSimHit *, float > | hitAndT |
| typedef std::vector< hitAndT > | TDContainer |
Private Member Functions | |
| float | asymGausSmear (double mean, double sigmaLeft, double sigmaRight) const |
| std::pair< float, bool > | computeTime (const DTLayer *layer, const DTWireId &wireId, const PSimHit *hit, const LocalVector &BLoc) |
| std::pair< float, bool > | driftTimeFromParametrization (float x, float alpha, float By, float Bz) const |
| std::pair< float, bool > | driftTimeFromTimeMap () const |
| void | dumpHit (const PSimHit *hit, float xEntry, float xExit, const DTTopology &topo) |
| float | externalDelays (const DTLayer *layer, const DTWireId &wireId, const PSimHit *hit) const |
| void | storeDigis (DTWireId &wireId, TDContainer &hits, DTDigiCollection &output, DTDigiSimLinkCollection &outputLinks) |
Private Attributes | |
| std::string | collection_for_XF |
| float | deadTime |
| bool | debug |
| std::string | geometryType |
| bool | IdealModel |
| bool | interpolate |
| float | LinksTimeWindow |
| bool | MultipleLinks |
| bool | onlyMuHits |
| float | smearing |
| std::string | syncName |
| float | theConstVDrift |
| CLHEP::RandFlat * | theFlatDistribution |
| CLHEP::RandGaussQ * | theGaussianDistribution |
| DTDigiSyncBase * | theSync |
| double | vPropWire |
Friends | |
| class | DTDigitizerAnalysis |
Digitize the muon drift tubes. The parametrisation function in DTDriftTimeParametrization from P.G.Abia, J.Puerta is used in all cases where it is applicable.
Definition at line 39 of file DTDigitizer.h.
typedef std::map<DTWireId, std::vector<const PSimHit*> > DTDigitizer::DTWireIdMap [private] |
Definition at line 51 of file DTDigitizer.h.
typedef DTWireIdMap::const_iterator DTDigitizer::DTWireIdMapConstIter [private] |
Definition at line 53 of file DTDigitizer.h.
typedef DTWireIdMap::iterator DTDigitizer::DTWireIdMapIter [private] |
Definition at line 52 of file DTDigitizer.h.
typedef std::pair<const PSimHit*,float> DTDigitizer::hitAndT [private] |
Definition at line 48 of file DTDigitizer.h.
typedef std::vector<hitAndT> DTDigitizer::TDContainer [private] |
Definition at line 49 of file DTDigitizer.h.
| DTDigitizer::DTDigitizer | ( | const edm::ParameterSet & | conf_ | ) | [explicit] |
Definition at line 63 of file DTDigitizer.cc.
References gather_cfg::cout, debug, Exception, reco::get(), edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), and edm::Service< T >::isAvailable().
{
// Set verbose output
debug=conf_.getUntrackedParameter<bool>("debug");
if (debug) cout<<"Creating a DTDigitizer"<<endl;
//register the Producer with a label
//produces<DTDigiCollection>("MuonDTDigis"); // FIXME: Do I pass it by ParameterSet?
produces<DTDigiCollection>(); // FIXME: Do I pass it by ParameterSet?
// produces<DTDigiSimLinkCollection>("MuonDTDigiSimLinks");
produces<DTDigiSimLinkCollection>();
//Parameters:
// build digis only for mu hits (for debug purposes)
onlyMuHits=conf_.getParameter<bool>("onlyMuHits");
// interpolate parametrization function
interpolate=conf_.getParameter<bool>("interpolate");
// Velocity of signal propagation along the wire (cm/ns)
// For the default value
// cfr. CMS-IN 2000-021: (2.56+-0.17)x1e8 m/s
// CMS NOTE 2003-17: (0.244) m/ns
vPropWire=conf_.getParameter<double>("vPropWire"); //24.4
// Dead time for signals on the same wire (number from M. Pegoraro)
deadTime=conf_.getParameter<double>("deadTime"); //150
// further configurable smearing
smearing=conf_.getParameter<double>("Smearing"); // 3.
// Sync Algo
syncName = conf_.getParameter<string>("SyncName");
theSync = DTDigiSyncFactory::get()->create(syncName,conf_.getParameter<ParameterSet>("pset"));
// Debug flag to switch to the Ideal model
// it uses a constant drift velocity and doesn't set any external delay
IdealModel = conf_.getParameter<bool>("IdealModel");
// Constant drift velocity needed by the above flag
if(IdealModel)
theConstVDrift = conf_.getParameter<double>("IdealModelConstantDriftVelocity"); // 55 um/ns
else theConstVDrift = 55.;
// get random engine
edm::Service<edm::RandomNumberGenerator> rng;
if ( ! rng.isAvailable()) {
throw cms::Exception("Configuration")
<< "RandomNumberGeneratorService for DTDigitizer missing in cfg file";
}
theGaussianDistribution = new CLHEP::RandGaussQ(rng->getEngine());
theFlatDistribution = new CLHEP::RandFlat(rng->getEngine(), 0, 1);
// MultipleLinks=false ==> one-to-one correspondence between digis and SimHits
MultipleLinks = conf_.getParameter<bool>("MultipleLinks");
// MultipleLinks=true ==> association of SimHits within a time window LinksTimeWindow
// (of the order of the resolution)
LinksTimeWindow = conf_.getParameter<double>("LinksTimeWindow"); // (10 ns)
//Name of Collection used for create the XF
collection_for_XF = conf_.getParameter<std::string>("InputCollection");
//String to choice between ideal (the deafult) and (mis)aligned geometry for the digitization step
geometryType = conf_.getParameter<std::string>("GeometryType");
}
| DTDigitizer::~DTDigitizer | ( | ) |
Definition at line 132 of file DTDigitizer.cc.
{
delete theGaussianDistribution;
delete theFlatDistribution;
}
| float DTDigitizer::asymGausSmear | ( | double | mean, |
| double | sigmaLeft, | ||
| double | sigmaRight | ||
| ) | const [private] |
Definition at line 447 of file DTDigitizer.cc.
References f, and lumiQTWidget::t.
{
double f = sigmaLeft/(sigmaLeft+sigmaRight);
double t;
if (theFlatDistribution->fire() <= f) {
t = theGaussianDistribution->fire(mean,sigmaLeft);
t = mean - fabs(t - mean);
} else {
t = theGaussianDistribution->fire(mean,sigmaRight);
t = mean + fabs(t - mean);
}
return static_cast<float>(t);
}
| pair< float, bool > DTDigitizer::computeTime | ( | const DTLayer * | layer, |
| const DTWireId & | wireId, | ||
| const PSimHit * | hit, | ||
| const LocalVector & | BLoc | ||
| ) | [private] |
Definition at line 236 of file DTDigitizer.cc.
References gather_cfg::cout, Vector3DBase< T, FrameTag >::cross(), debug, delta, dir, Vector3DBase< T, FrameTag >::dot(), PSimHit::entryPoint(), PSimHit::exitPoint(), PSimHit::localDirection(), PSimHit::localPosition(), M_PI, PV3DBase< T, PVType, FrameType >::mag(), PSimHit::momentumAtEntry(), DTTopology::none, btau_dummy::none, DTTopology::onWhichBorder(), PSimHit::pabs(), PSimHit::particleType(), DTLayer::specificTopology(), mathSSE::sqrt(), theta(), Vector3DBase< T, FrameTag >::unit(), DTWireId::wire(), DTTopology::wirePosition(), PV3DBase< T, PVType, FrameType >::x(), x, DTTopology::xMax, DTTopology::xMin, PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
{
LocalPoint entryP = hit->entryPoint();
LocalPoint exitP = hit->exitPoint();
int partType = hit->particleType();
const DTTopology &topo = layer->specificTopology();
// Pay attention: in CMSSW the rf of the SimHit is in the layer's rf
if(debug) cout<<"Hit local entry point: "<<entryP<<endl
<<"Hit local exit point: "<<exitP<<endl;
float xwire = topo.wirePosition(wireId.wire());
float xEntry = entryP.x() - xwire;
float xExit = exitP.x() - xwire;
if(debug) cout<<"wire position: "<<xwire
<<" x entry in cell rf: "<<xEntry
<<" x exit in cell rf: "<<xExit<<endl;
DTTopology::Side entrySide = topo.onWhichBorder(xEntry,entryP.y(),entryP.z());
DTTopology::Side exitSide = topo.onWhichBorder(xExit,exitP.y(),exitP.z());
if (debug) dumpHit(hit, xEntry, xExit,topo);
// The bolean is used to flag the drift time computation
pair<float,bool> driftTime(0.,false);
// if delta in gas->ignore, since it is included in the parametrisation.
// FIXME: should check that it is actually a delta ray produced by a nearby
// muon hit.
if (partType == 11 && entrySide == DTTopology::none) {
if (debug) cout << " e- hit in gas; discarding " << endl;
return driftTime;
}
float By = BLoc.y();
float Bz = BLoc.z();
// Radius and sagitta according to direction of momentum
// (just for printing)
// NOTE: in cmsim, d is always taken // pHat!
LocalVector d = (exitP-entryP);
LocalVector pHat = hit->localDirection().unit();
LocalVector hHat = (d.cross(pHat.cross(d))).unit();
float cosAlpha = hHat.dot(pHat);
float sinAlpha = sqrt(1.-cosAlpha*cosAlpha);
float radius_P = (d.mag())/(2.*cosAlpha);
float sagitta_P = radius_P*(1.-sinAlpha);
// Radius, sagitta according to field bending
// (just for printing)
float halfd = d.mag()/2.;
float BMag = BLoc.mag();
LocalVector pT = (pHat - (BLoc.unit()*pHat.dot(BLoc.unit())))*(hit->pabs());
float radius_B = (pT.mag()/(0.3*BMag))*100.;
float sagitta_B;
if (radius_B > halfd) {
sagitta_B = radius_B - sqrt(radius_B*radius_B - halfd*halfd);
} else {
sagitta_B = radius_B;
}
// cos(delta), delta= angle between direction at entry and hit segment
// (just for printing)
float delta = pHat.dot(d.unit());
if (debug) cout << " delta = " << delta << endl
<< " cosAlpha = " << cosAlpha << endl
<< " sinAlpha = " << sinAlpha << endl
<< " pMag = " << pT.mag() << endl
<< " bMag = " << BMag << endl
<< " pT = " << pT << endl
<< " halfd = " << halfd << endl
<< " radius_P (cm) = " << radius_P << endl
<< " sagitta_P (um) = " << sagitta_P*10000. << endl
<< " radius_B (cm) = " << radius_B << endl
<< " sagitta_B (um) = " << sagitta_B*10000. << endl;
// Select cases where parametrization can not be used.
bool noParametrisation =
( ( entrySide == DTTopology::none || exitSide == DTTopology::none ) // case # 2,3,8,9 or 11
|| (entrySide == exitSide) // case # 4 or 10
|| ((entrySide == DTTopology::xMin && exitSide == DTTopology::xMax) ||
(entrySide == DTTopology::xMax && exitSide == DTTopology::xMin)) // Hit is case # 7
);
// FIXME: now, debug warning only; consider treating those
// with TM algo.
if ( delta < 0.99996 // Track is not straight. FIXME: use sagitta?
&& (noParametrisation == false)) {
if (debug) cout << "*** WARNING: hit is not straight, type = " << partType << endl;
}
//************ 5A ***************
if (!noParametrisation) {
LocalVector dir = hit->momentumAtEntry(); // ex Measurement3DVector dir = hit->measurementDirection(); //FIXME?
float theta = atan(dir.x()/-dir.z())*180/M_PI;
// FIXME: use dir if M.S. is included as GARFIELD option...
// otherwise use hit segment dirction.
// LocalVector dir0 = (exitP-entryP).unit();
// float theta = atan(dir0.x()/-dir0.z())*180/M_PI;
float x;
Local3DPoint pt = hit->localPosition(); //ex Measurement3DPoint pt = hit->measurementPosition(); // FIXME?
if(fabs(pt.z()) < 0.002) {
// hit center within 20 um from z=0, no need to extrapolate.
x = pt.x() - xwire;
} else {
x = xEntry - (entryP.z()*(xExit-xEntry))/(exitP.z()-entryP.z());
}
if(IdealModel) return make_pair(fabs(x)/theConstVDrift,true);
else driftTime = driftTimeFromParametrization(x, theta, By, Bz);
}
if ((driftTime.second)==false) {
// Parametrisation not applicable, or failed. Use time map.
driftTime = driftTimeFromTimeMap();
}
//************ 5B ***************
// Signal propagation, TOF etc.
if (driftTime.second) {
driftTime.first += externalDelays(layer,wireId,hit);
}
return driftTime;
}
| pair< float, bool > DTDigitizer::driftTimeFromParametrization | ( | float | x, |
| float | alpha, | ||
| float | By, | ||
| float | Bz | ||
| ) | const [private] |
Definition at line 376 of file DTDigitizer.cc.
References gather_cfg::cout, debug, GeomDetEnumerators::DT, f, edm::max(), DTDriftTimeParametrization::MB_DT_drift_time(), DTDriftTimeParametrization::drift_time::t_drift, DTDriftTimeParametrization::drift_time::t_width_m, DTDriftTimeParametrization::drift_time::t_width_p, theta(), and cond::rpcobgas::time.
{
// Convert from CMSSW frame/units r.f. to parametrization ones.
x *= 10.; //cm -> mm
// FIXME: Current parametrisation can extrapolate above 21 mm,
// however a detailed study is needed before using this.
if (fabs(x) > 21.) {
if (debug) cout << "*** WARNING: parametrisation: x out of range = "
<< x << ", skipping" << endl;
return pair<float,bool>(0.f,false);
}
// Different r.f. of the parametrization:
// X_par = X_ORCA; Y_par=Z_ORCA; Z_par = -Y_ORCA
float By_par = Bz; // Bnorm
float Bz_par = -By; // Bwire
float theta_par = theta;
// Parametrisation uses interpolation up to |theta|=45 deg,
// |Bwire|=0.4, |Bnorm|=0.75; extrapolation above.
if (fabs(theta_par)>45.) {
if (debug) cout << "*** WARNING: extrapolating theta > 45: "
<< theta << endl;
// theta_par = min(fabs(theta_par),45.f)*((theta_par<0.)?-1.:1.);
}
if (fabs(By_par)>0.75) {
if (debug) cout << "*** WARNING: extrapolating Bnorm > 0.75: "
<< By_par << endl;
// By_par = min(fabs(By_par),0.75f)*((By_par<0.)?-1.:1.);
}
if (fabs(Bz_par)>0.4) {
if (debug) cout << "*** WARNING: extrapolating Bwire >0.4: "
<< Bz_par << endl;
// Bz_par = min(fabs(Bz_par),0.4)*((Bz_par<0.)?-1.:1.);
}
DTDriftTimeParametrization::drift_time DT;
static DTDriftTimeParametrization par;
unsigned short flag = par.MB_DT_drift_time (x, theta_par, By_par, Bz_par, 0, &DT, interpolate);
if (debug) {
cout << " Parametrisation: x, theta, Bnorm, Bwire = "
<< x << " " << theta_par << " " << By_par << " " << Bz_par << endl
<< " time=" << DT.t_drift
<< " sigma_m=" << DT.t_width_m
<< " sigma_p=" << DT.t_width_p << endl;
if (flag!=1) {
cout << "*** WARNING: call to parametrisation failed" << endl;
return pair<float,bool>(0.f,false);
}
}
// Double half-gaussian smearing
float time = asymGausSmear(DT.t_drift, DT.t_width_m, DT.t_width_p);
// Do not allow the smearing to lead to negative values
time = max(time,0.f);
// Apply a Gaussian smearing to account for electronic effects (cf. 2004 TB analysis)
// The width of the Gaussian can be configured with the "Smearing" parameter
double u = theGaussianDistribution->fire(0.,smearing);
time += u;
if (debug) cout << " drift time = " << time << endl;
return pair<float,bool>(time,true);
}
| pair< float, bool > DTDigitizer::driftTimeFromTimeMap | ( | ) | const [private] |
Definition at line 462 of file DTDigitizer.cc.
References gather_cfg::cout, and debug.
{
// FIXME: not yet implemented.
if (debug) cout << " TimeMap " << endl;
return pair<float,bool>(0.,false);
}
| void DTDigitizer::dumpHit | ( | const PSimHit * | hit, |
| float | xEntry, | ||
| float | xExit, | ||
| const DTTopology & | topo | ||
| ) | [private] |
Definition at line 577 of file DTDigitizer.cc.
References DTTopology::cellHeight(), DTTopology::cellLenght(), DTTopology::cellWidth(), gather_cfg::cout, PSimHit::energyLoss(), PSimHit::entryPoint(), PSimHit::exitPoint(), mag(), PSimHit::momentumAtEntry(), DTTopology::onWhichBorder(), PSimHit::pabs(), PSimHit::particleType(), PSimHit::processType(), PSimHit::trackId(), Vector3DBase< T, FrameTag >::unit(), x, PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
{
LocalPoint entryP = hit->entryPoint();
LocalPoint exitP = hit->exitPoint();
DTTopology::Side entrySide = topo.onWhichBorder(xEntry,entryP.y(),entryP.z());
DTTopology::Side exitSide = topo.onWhichBorder(xExit,exitP.y(),exitP.z());
// ProcessTypeEnumerator pTypes;
cout << endl
<< "------- SimHit: " << endl
<< " Particle type = " << hit->particleType() << endl
<< " process type = " << hit->processType() << endl
<< " process type = " << hit->processType() << endl
// << " packedTrackId = " << hit->packedTrackId() << endl
<< " trackId = " << hit->trackId() << endl // new,is the same as the
// previous?? FIXME-Check
<< " |p| = " << hit->pabs() << endl
<< " Energy loss = " << hit->energyLoss() << endl
// << " timeOffset = " << hit->timeOffset() << endl
// << " measurementPosition = " << hit->measurementPosition() << endl
// << " measurementDirection = " << hit->measurementDirection() << endl //FIXME
<< " localDirection = " << hit->momentumAtEntry().unit() << endl //FIXME is it a versor?
<< " Entry point = " << entryP << " cell x = " << xEntry << endl
<< " Exit point = " << exitP << " cell x = " << xExit << endl
<< " DR = = " << (exitP-entryP).mag() << endl
<< " Dx = = " << (exitP-entryP).x() << endl
<< " Cell w,h,l = (" << topo.cellWidth()
<< " , " << topo.cellHeight()
<< " , " << topo.cellLenght() << ") cm" << endl
<< " DY entry from edge = " << topo.cellLenght()/2.-fabs(entryP.y())
<< " DY exit from edge = " << topo.cellLenght()/2.-fabs(exitP.y())
<< " entrySide = " << (int)entrySide
<< " ; exitSide = " << (int)exitSide << endl;
}
| float DTDigitizer::externalDelays | ( | const DTLayer * | layer, |
| const DTWireId & | wireId, | ||
| const PSimHit * | hit | ||
| ) | const [private] |
Definition at line 470 of file DTDigitizer.cc.
References DTTopology::cellLenght(), gather_cfg::cout, debug, PSimHit::localPosition(), DTLayer::specificTopology(), PSimHit::tof(), and PV3DBase< T, PVType, FrameType >::y().
{
// Time of signal propagation along wire.
float wireCoord = hit->localPosition().y();
float halfL = (layer->specificTopology().cellLenght())/2.;
float propgL = halfL - wireCoord; // the FE is always located at the pos coord.
float propDelay = propgL/vPropWire;
// Real TOF.
float tof = hit->tof();
// Delays and t0 according to theSync
double sync= theSync->digitizerOffset(&wireId,layer);
if (debug) {
cout << " propDelay =" << propDelay
<< "; TOF=" << tof
<< "; sync= " << sync
<< endl;
}
return propDelay + tof + sync;
}
| void DTDigitizer::produce | ( | edm::Event & | iEvent, |
| const edm::EventSetup & | iSetup | ||
| ) | [virtual] |
Implements edm::EDProducer.
Definition at line 138 of file DTDigitizer.cc.
References MixCollection< T >::begin(), gather_cfg::cout, debug, edm::EventID::event(), edm::EventSetup::get(), edm::Event::getByLabel(), edm::EventBase::id(), DTWireId::layerId(), convertSQLitetoXML_cfg::output, edm::Handle< T >::product(), edm::Event::put(), edm::EventID::run(), trackerHits::simHits, GeomDet::surface(), cond::rpcobgas::time, Surface::toGlobal(), and GloballyPositioned< T >::toLocal().
{
if(debug)
cout << "--- Run: " << iEvent.id().run()
<< " Event: " << iEvent.id().event() << endl;
//************ 1 ***************
// create the container for the SimHits
// Handle<PSimHitContainer> simHits;
// iEvent.getByLabel("g4SimHits","MuonDTHits",simHits);
// use MixCollection instead of the previous
Handle<CrossingFrame<PSimHit> > xFrame;
iEvent.getByLabel("mix",collection_for_XF,xFrame);
auto_ptr<MixCollection<PSimHit> >
simHits( new MixCollection<PSimHit>(xFrame.product()) );
// create the pointer to the Digi container
auto_ptr<DTDigiCollection> output(new DTDigiCollection());
// pointer to the DigiSimLink container
auto_ptr<DTDigiSimLinkCollection> outputLinks(new DTDigiSimLinkCollection());
// Muon Geometry
ESHandle<DTGeometry> muonGeom;
iSetup.get<MuonGeometryRecord>().get(geometryType,muonGeom);
// Magnetic Field
ESHandle<MagneticField> magnField;
iSetup.get<IdealMagneticFieldRecord>().get(magnField);
//************ 2 ***************
// These are sorted by DetId, i.e. by layer and then by wire #
// map<DTDetId, vector<const PSimHit*> > wireMap;
DTWireIdMap wireMap;
for(MixCollection<PSimHit>::MixItr simHit = simHits->begin();
simHit != simHits->end(); simHit++){
// Create the id of the wire, the simHits in the DT known also the wireId
DTWireId wireId( (*simHit).detUnitId() );
// Fill the map
wireMap[wireId].push_back(&(*simHit));
}
pair<float,bool> time(0.,false);
//************ 3 ***************
// Loop over the wires
for(DTWireIdMapConstIter wire = wireMap.begin(); wire!=wireMap.end(); wire++){
// SimHit Container associated to the wire
const vector<const PSimHit*> & vhit = (*wire).second;
if(vhit.size()!=0) {
TDContainer tdCont; // It is a vector<pair<const PSimHit*,float> >;
//************ 4 ***************
DTWireId wireId = (*wire).first;
//const DTLayer* layer = dynamic_cast< const DTLayer* > (muonGeom->idToDet(wireId.layerId()));
const DTLayer* layer = muonGeom->layer(wireId.layerId());
// Loop on the hits of this wire
for (vector<const PSimHit*>::const_iterator hit=vhit.begin();
hit != vhit.end(); hit++){
//************ 5 ***************
LocalPoint locPos = (*hit)->localPosition();
const LocalVector BLoc=layer->surface().toLocal(magnField->inTesla(layer->surface().toGlobal(locPos)));
time = computeTime(layer, wireId, *hit, BLoc);
//************ 6 ***************
if (time.second) {
tdCont.push_back(make_pair((*hit),time.first));
} else {
if (debug) cout << "hit discarded" << endl;
}
}
//************ 7 ***************
// the loading must be done by layer but
// the digitization must be done by wire (in order to take into account the dead time)
storeDigis(wireId,tdCont,*output,*outputLinks);
}
}
//************ 8 ***************
// Load the Digi Container in the Event
//iEvent.put(output,"MuonDTDigis");
iEvent.put(output);
iEvent.put(outputLinks);
}
| void DTDigitizer::storeDigis | ( | DTWireId & | wireId, |
| TDContainer & | hits, | ||
| DTDigiCollection & | output, | ||
| DTDigiSimLinkCollection & | outputLinks | ||
| ) | [private] |
Definition at line 503 of file DTDigitizer.cc.
References abs, DTDigi::countsTDC(), gather_cfg::cout, debug, MuonDigiCollection< IndexType, DigiType >::insertDigi(), DTWireId::layerId(), DTDigi::number(), funct::pow(), python::multivaluedict::sort(), cond::rpcobgas::time, DTDigi::time(), and DTWireId::wire().
{
//************ 7A ***************
// sort signal times
sort(hits.begin(),hits.end(),hitLessT());
//************ 7B ***************
float wakeTime = -999999.0;
float resolTime = -999999.0;
int digiN = -1; // Digi identifier within the cell (for multiple digis)
DTDigi digi;
// loop over signal times and drop signals inside dead time
for ( TDContainer::const_iterator hit = hits.begin() ; hit != hits.end() ;
hit++ ) {
if (onlyMuHits && abs((*hit).first->particleType())!=13) continue;
//************ 7C ***************
float time = (*hit).second;
if ( time > wakeTime ) {
// Note that digi is constructed with a float value (in ns)
int wireN = wireId.wire();
digiN++;
digi = DTDigi(wireN, time, digiN);
// Add association between THIS digi and the corresponding SimTrack
unsigned int SimTrackId = (*hit).first->trackId();
EncodedEventId evId = (*hit).first->eventId();
DTDigiSimLink digisimLink(wireN, digiN, time, SimTrackId, evId);
if(debug) {
cout<<endl<<"---- DTDigitizer ----"<<endl;
cout<<"wireId: "<<wireId<<endl;
cout<<"sim. time = "<<time<<endl;
cout<<"digi number = "<< digi.number()<<", digi time = "<<digi.time()
<<", linked to SimTrack Id = "<<SimTrackId<<endl;
}
//************ 7D ***************
if(digi.countsTDC() < pow(2.,16)){
DTLayerId layerID = wireId.layerId(); //taking the layer in which reside the wire
output.insertDigi(layerID, digi); // ordering Digis by layer
outputLinks.insertDigi(layerID, digisimLink);
wakeTime = time + deadTime;
resolTime = time + LinksTimeWindow;
}
else {
digiN--;
}
}
else if (MultipleLinks && time < resolTime){
int wireN = wireId.wire();
unsigned int SimTrackId = (*hit).first->trackId();
EncodedEventId evId = (*hit).first->eventId();
DTDigiSimLink digisimLink(wireN, digiN, time, SimTrackId, evId);
DTLayerId layerID = wireId.layerId();
outputLinks.insertDigi(layerID, digisimLink);
if(debug) {
cout<<"\nAdded multiple link: \n"
<<"digi number = "<<digi.number()<<", digi time = "<<digi.time()<<" (sim. time = "<<time<<")"
<<", linked to SimTrack Id = "<<SimTrackId<<endl;
}
}
}
}
friend class DTDigitizerAnalysis [friend] |
Definition at line 98 of file DTDigitizer.h.
std::string DTDigitizer::collection_for_XF [private] |
Definition at line 126 of file DTDigitizer.h.
float DTDigitizer::deadTime [private] |
Definition at line 102 of file DTDigitizer.h.
bool DTDigitizer::debug [private] |
Definition at line 104 of file DTDigitizer.h.
std::string DTDigitizer::geometryType [private] |
Definition at line 111 of file DTDigitizer.h.
bool DTDigitizer::IdealModel [private] |
Definition at line 114 of file DTDigitizer.h.
bool DTDigitizer::interpolate [private] |
Definition at line 105 of file DTDigitizer.h.
float DTDigitizer::LinksTimeWindow [private] |
Definition at line 123 of file DTDigitizer.h.
bool DTDigitizer::MultipleLinks [private] |
Definition at line 122 of file DTDigitizer.h.
bool DTDigitizer::onlyMuHits [private] |
Definition at line 106 of file DTDigitizer.h.
float DTDigitizer::smearing [private] |
Definition at line 103 of file DTDigitizer.h.
std::string DTDigitizer::syncName [private] |
Definition at line 108 of file DTDigitizer.h.
float DTDigitizer::theConstVDrift [private] |
Definition at line 115 of file DTDigitizer.h.
CLHEP::RandFlat* DTDigitizer::theFlatDistribution [private] |
Definition at line 119 of file DTDigitizer.h.
CLHEP::RandGaussQ* DTDigitizer::theGaussianDistribution [private] |
Definition at line 118 of file DTDigitizer.h.
DTDigiSyncBase* DTDigitizer::theSync [private] |
Definition at line 109 of file DTDigitizer.h.
double DTDigitizer::vPropWire [private] |
Definition at line 101 of file DTDigitizer.h.
1.7.3