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#include "FWCore/Framework/interface/Run.h"
#include "FWCore/ServiceRegistry/interface/RandomEngineSentry.h"
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
#include "SimDataFormats/GeneratorProducts/interface/GenRunInfoProduct.h"
#include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h"
#include "GeneratorInterface/CosmicMuonGenerator/interface/CosMuoGenProducer.h"
edm::CosMuoGenProducer::CosMuoGenProducer(const ParameterSet& pset)
: //RanS(pset.getParameter<int>("RanSeed", 123456)), //get seed now from Framework
MinP(pset.getParameter<double>("MinP")),
MinP_CMS(pset.getParameter<double>("MinP_CMS")),
MaxP(pset.getParameter<double>("MaxP")),
MinT(pset.getParameter<double>("MinTheta")),
MaxT(pset.getParameter<double>("MaxTheta")),
MinPh(pset.getParameter<double>("MinPhi")),
MaxPh(pset.getParameter<double>("MaxPhi")),
MinS(pset.getParameter<double>("MinT0")),
MaxS(pset.getParameter<double>("MaxT0")),
ELSF(pset.getParameter<double>("ElossScaleFactor")),
RTarget(pset.getParameter<double>("RadiusOfTarget")),
ZTarget(pset.getParameter<double>("ZDistOfTarget")),
ZCTarget(pset.getParameter<double>("ZCentrOfTarget")),
TrackerOnly(pset.getParameter<bool>("TrackerOnly")),
MultiMuon(pset.getParameter<bool>("MultiMuon")),
MultiMuonFileName(pset.getParameter<std::string>("MultiMuonFileName")),
MultiMuonFileFirstEvent(pset.getParameter<int>("MultiMuonFileFirstEvent")),
MultiMuonNmin(pset.getParameter<int>("MultiMuonNmin")),
TIFOnly_constant(pset.getParameter<bool>("TIFOnly_constant")),
TIFOnly_linear(pset.getParameter<bool>("TIFOnly_linear")),
MTCCHalf(pset.getParameter<bool>("MTCCHalf")),
PlugVtx(pset.getParameter<double>("PlugVx")),
PlugVtz(pset.getParameter<double>("PlugVz")),
VarRhoAir(pset.getParameter<double>("RhoAir")),
VarRhoWall(pset.getParameter<double>("RhoWall")),
VarRhoRock(pset.getParameter<double>("RhoRock")),
VarRhoClay(pset.getParameter<double>("RhoClay")),
VarRhoPlug(pset.getParameter<double>("RhoPlug")),
ClayLayerWidth(pset.getParameter<double>("ClayWidth")),
MinEn(pset.getParameter<double>("MinEnu")),
MaxEn(pset.getParameter<double>("MaxEnu")),
NuPrdAlt(pset.getParameter<double>("NuProdAlt")),
AllMu(pset.getParameter<bool>("AcptAllMu")),
extCrossSect(pset.getUntrackedParameter<double>("crossSection", -1.)),
extFilterEff(pset.getUntrackedParameter<double>("filterEfficiency", -1.)),
cmVerbosity_(pset.getParameter<bool>("Verbosity")),
isInitialized_(false) {
//if not specified (i.e. negative) then use MinP also for MinP_CMS
if (MinP_CMS < 0)
MinP_CMS = MinP;
// set up the generator
CosMuoGen = std::make_unique<CosmicMuonGenerator>();
// Begin JMM change
// CosMuoGen->setNumberOfEvents(numberEventsInRun());
CosMuoGen->setNumberOfEvents(999999999);
// End of JMM change
CosMuoGen->setRanSeed(RanS);
CosMuoGen->setMinP(MinP);
CosMuoGen->setMinP_CMS(MinP_CMS);
CosMuoGen->setMaxP(MaxP);
CosMuoGen->setMinTheta(MinT);
CosMuoGen->setMaxTheta(MaxT);
CosMuoGen->setMinPhi(MinPh);
CosMuoGen->setMaxPhi(MaxPh);
CosMuoGen->setMinT0(MinS);
CosMuoGen->setMaxT0(MaxS);
CosMuoGen->setElossScaleFactor(ELSF);
CosMuoGen->setRadiusOfTarget(RTarget);
CosMuoGen->setZDistOfTarget(ZTarget);
CosMuoGen->setZCentrOfTarget(ZCTarget);
CosMuoGen->setTrackerOnly(TrackerOnly);
CosMuoGen->setMultiMuon(MultiMuon);
CosMuoGen->setMultiMuonFileName(MultiMuonFileName);
CosMuoGen->setMultiMuonFileFirstEvent(MultiMuonFileFirstEvent);
CosMuoGen->setMultiMuonNmin(MultiMuonNmin);
CosMuoGen->setTIFOnly_constant(TIFOnly_constant);
CosMuoGen->setTIFOnly_linear(TIFOnly_linear);
CosMuoGen->setMTCCHalf(MTCCHalf);
CosMuoGen->setPlugVx(PlugVtx);
CosMuoGen->setPlugVz(PlugVtz);
CosMuoGen->setRhoAir(VarRhoAir);
CosMuoGen->setRhoWall(VarRhoWall);
CosMuoGen->setRhoRock(VarRhoRock);
CosMuoGen->setRhoClay(VarRhoClay);
CosMuoGen->setRhoPlug(VarRhoPlug);
CosMuoGen->setClayWidth(ClayLayerWidth);
CosMuoGen->setMinEnu(MinEn);
CosMuoGen->setMaxEnu(MaxEn);
CosMuoGen->setNuProdAlt(NuPrdAlt);
CosMuoGen->setAcptAllMu(AllMu);
produces<HepMCProduct>("unsmeared");
produces<GenEventInfoProduct>();
produces<GenRunInfoProduct, edm::Transition::EndRun>();
}
edm::CosMuoGenProducer::~CosMuoGenProducer() { clear(); }
void edm::CosMuoGenProducer::beginLuminosityBlock(LuminosityBlock const& lumi, EventSetup const&) {
if (!isInitialized_) {
isInitialized_ = true;
RandomEngineSentry<CosmicMuonGenerator> randomEngineSentry(CosMuoGen.get(), lumi.index());
CosMuoGen->initialize(randomEngineSentry.randomEngine());
}
}
void edm::CosMuoGenProducer::endRunProduce(Run& run, const EventSetup& es) {
std::unique_ptr<GenRunInfoProduct> genRunInfo(new GenRunInfoProduct());
double cs = CosMuoGen->getRate(); // flux in Hz, not s^-1m^-2
if (MultiMuon)
genRunInfo->setInternalXSec(0.);
else
genRunInfo->setInternalXSec(cs);
genRunInfo->setExternalXSecLO(extCrossSect);
genRunInfo->setFilterEfficiency(extFilterEff);
run.put(std::move(genRunInfo));
CosMuoGen->terminate();
}
void edm::CosMuoGenProducer::clear() {}
void edm::CosMuoGenProducer::produce(Event& e, const edm::EventSetup& es) {
RandomEngineSentry<CosmicMuonGenerator> randomEngineSentry(CosMuoGen.get(), e.streamID());
// generate event
if (!MultiMuon) {
CosMuoGen->nextEvent();
} else {
bool success = CosMuoGen->nextMultiEvent();
if (!success)
std::cout << "CosMuoGenProducer.cc: CosMuoGen->nextMultiEvent() failed!" << std::endl;
}
if (Debug) {
std::cout << "CosMuoGenProducer.cc: CosMuoGen->EventWeight=" << CosMuoGen->EventWeight
<< " CosMuoGen: Nmuons=" << CosMuoGen->Id_sf.size() << std::endl;
std::cout << "CosMuoGen->Id_at=" << CosMuoGen->Id_at << " CosMuoGen->Vx_at=" << CosMuoGen->Vx_at
<< " CosMuoGen->Vy_at=" << CosMuoGen->Vy_at << " CosMuoGen->Vz_at=" << CosMuoGen->Vz_at
<< " CosMuoGen->T0_at=" << CosMuoGen->T0_at << std::endl;
std::cout << " Px=" << CosMuoGen->Px_at << " Py=" << CosMuoGen->Py_at << " Pz=" << CosMuoGen->Pz_at << std::endl;
for (unsigned int i = 0; i < CosMuoGen->Id_sf.size(); ++i) {
std::cout << "Id_sf[" << i << "]=" << CosMuoGen->Id_sf[i] << " Vx_sf[" << i << "]=" << CosMuoGen->Vx_sf[i]
<< " Vy_sf=" << CosMuoGen->Vy_sf[i] << " Vz_sf=" << CosMuoGen->Vz_sf[i]
<< " T0_sf=" << CosMuoGen->T0_sf[i] << " Px_sf=" << CosMuoGen->Px_sf[i]
<< " Py_sf=" << CosMuoGen->Py_sf[i] << " Pz_sf=" << CosMuoGen->Pz_sf[i] << std::endl;
std::cout << "phi_sf=" << atan2(CosMuoGen->Px_sf[i], CosMuoGen->Pz_sf[i]) << std::endl;
std::cout << "Id_ug[" << i << "]=" << CosMuoGen->Id_ug[i] << " Vx_ug[" << i << "]=" << CosMuoGen->Vx_ug[i]
<< " Vy_ug=" << CosMuoGen->Vy_ug[i] << " Vz_ug=" << CosMuoGen->Vz_ug[i]
<< " T0_ug=" << CosMuoGen->T0_ug[i] << " Px_ug=" << CosMuoGen->Px_ug[i]
<< " Py_ug=" << CosMuoGen->Py_ug[i] << " Pz_ug=" << CosMuoGen->Pz_ug[i] << std::endl;
std::cout << "phi_ug=" << atan2(CosMuoGen->Px_ug[i], CosMuoGen->Pz_ug[i]) << std::endl;
;
}
}
auto fEvt = std::make_unique<HepMC::GenEvent>();
HepMC::GenVertex* Vtx_at = new HepMC::GenVertex(HepMC::FourVector(CosMuoGen->Vx_at, //[mm]
CosMuoGen->Vy_at, //[mm]
CosMuoGen->Vz_at, //[mm]
CosMuoGen->T0_at)); //[mm]
//cout << "CosMuoGenProducer.cc: Vy_at=" << CosMuoGen->Vy_at << endl;
HepMC::FourVector p_at(CosMuoGen->Px_at, CosMuoGen->Py_at, CosMuoGen->Pz_at, CosMuoGen->E_at);
HepMC::GenParticle* Part_at = new HepMC::GenParticle(p_at, CosMuoGen->Id_at, 3); //Comment mother particle in
Vtx_at->add_particle_in(Part_at);
//loop here in case of multi muon events (else just one iteration)
for (unsigned int i = 0; i < CosMuoGen->Id_sf.size(); ++i) {
HepMC::FourVector p_sf(CosMuoGen->Px_sf[i], CosMuoGen->Py_sf[i], CosMuoGen->Pz_sf[i], CosMuoGen->E_sf[i]);
HepMC::GenParticle* Part_sf_in = new HepMC::GenParticle(p_sf, CosMuoGen->Id_sf[i], 3); //Comment daughter particle
Vtx_at->add_particle_out(Part_sf_in);
HepMC::GenVertex* Vtx_sf = new HepMC::GenVertex(
HepMC::FourVector(CosMuoGen->Vx_sf[i], CosMuoGen->Vy_sf[i], CosMuoGen->Vz_sf[i], CosMuoGen->T0_sf[i])); //[mm]
HepMC::GenParticle* Part_sf_out = new HepMC::GenParticle(p_sf, CosMuoGen->Id_sf[i], 3); //Comment daughter particle
Vtx_sf->add_particle_in(Part_sf_in);
Vtx_sf->add_particle_out(Part_sf_out);
fEvt->add_vertex(Vtx_sf); //one per muon
HepMC::GenVertex* Vtx_ug = new HepMC::GenVertex(
HepMC::FourVector(CosMuoGen->Vx_ug[i], CosMuoGen->Vy_ug[i], CosMuoGen->Vz_ug[i], CosMuoGen->T0_ug[i])); //[mm]
HepMC::FourVector p_ug(CosMuoGen->Px_ug[i], CosMuoGen->Py_ug[i], CosMuoGen->Pz_ug[i], CosMuoGen->E_ug[i]);
HepMC::GenParticle* Part_ug = new HepMC::GenParticle(p_ug, CosMuoGen->Id_ug[i], 1); //Final state daughter particle
Vtx_ug->add_particle_in(Part_sf_out);
Vtx_ug->add_particle_out(Part_ug);
fEvt->add_vertex(Vtx_ug); //one per muon
}
fEvt->add_vertex(Vtx_at);
fEvt->set_signal_process_vertex(Vtx_at);
fEvt->set_event_number(e.id().event());
fEvt->set_signal_process_id(13);
fEvt->weights().push_back(CosMuoGen->EventWeight); // just one event weight
fEvt->weights().push_back(CosMuoGen->Trials); // int Trials number (unweighted)
if (cmVerbosity_)
fEvt->print();
std::unique_ptr<GenEventInfoProduct> genEventInfo(new GenEventInfoProduct(fEvt.get()));
e.put(std::move(genEventInfo));
//This causes fEvt to be deleted
std::unique_ptr<HepMCProduct> CMProduct(new HepMCProduct());
CMProduct->addHepMCData(fEvt.release());
e.put(std::move(CMProduct), "unsmeared");
}
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