CosmicParametersDefinerForTP Class Reference

#include <CosmicParametersDefinerForTP.h>

Inheritance diagram for CosmicParametersDefinerForTP:

Public Member Functions
std::unique_ptr< ParametersDefinerForTP >	clone () const override
	CosmicParametersDefinerForTP (edm::ConsumesCollector iC)
void	initEvent (edm::Handle< SimHitTPAssociationProducer::SimHitTPAssociationList > simHitsTPAssocToSet) override
TrackingParticle::Vector	momentum (const edm::Event &iEvent, const edm::EventSetup &iSetup, const TrackingParticleRef &tpr) const override
TrackingParticle::Vector	momentum (const edm::Event &iEvent, const edm::EventSetup &iSetup, const Charge ch, const Point &vertex, const LorentzVector &lv) const override
std::tuple< TrackingParticle::Vector, TrackingParticle::Point >	momentumAndVertex (const edm::Event &iEvent, const edm::EventSetup &iSetup, const TrackingParticleRef &tpr) const override
TrackingParticle::Point	vertex (const edm::Event &iEvent, const edm::EventSetup &iSetup, const TrackingParticleRef &tpr) const override
TrackingParticle::Point	vertex (const edm::Event &iEvent, const edm::EventSetup &iSetup, const Charge ch, const Point &vertex, const LorentzVector &lv) const override
	~CosmicParametersDefinerForTP () override
Public Member Functions inherited from ParametersDefinerForTP
virtual TrackingParticle::Vector	momentum (const edm::Event &iEvent, const edm::EventSetup &iSetup, const reco::Candidate &tp) const
std::tuple< TrackingParticle::Vector, TrackingParticle::Point >	momentumAndVertex (const edm::Event &iEvent, const edm::EventSetup &iSetup, const Charge ch, const Point &vtx, const LorentzVector &lv) const
	ParametersDefinerForTP (const edm::InputTag &beamspot, edm::ConsumesCollector iC)
virtual TrackingParticle::Point	vertex (const edm::Event &iEvent, const edm::EventSetup &iSetup, const reco::Candidate &tp) const
virtual	~ParametersDefinerForTP ()

Private Attributes
const edm::ESGetToken< GlobalTrackingGeometry, GlobalTrackingGeometryRecord >	geometryToken_
edm::Handle< SimHitTPAssociationProducer::SimHitTPAssociationList >	simHitsTPAssoc

Additional Inherited Members
Public Types inherited from ParametersDefinerForTP
typedef int	Charge
	electric charge type More...
typedef math::XYZTLorentzVectorD	LorentzVector
	Lorentz vector. More...
typedef math::XYZPointD	Point
	point in the space More...
Protected Attributes inherited from ParametersDefinerForTP
const edm::EDGetTokenT< reco::BeamSpot >	bsToken_
const edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	mfToken_

Detailed Description

Author

Boris Mangano (UCSD) 5/7/2009

Definition at line 18 of file CosmicParametersDefinerForTP.h.

Constructor & Destructor Documentation

CosmicParametersDefinerForTP()

CosmicParametersDefinerForTP::CosmicParametersDefinerForTP

(

edm::ConsumesCollector

iC

)

Definition at line 15 of file CosmicParametersDefinerForTP.cc.

    : ParametersDefinerForTP(edm::InputTag("offlineBeamSpot"), iC), geometryToken_(iC.esConsumes()) {}

~CosmicParametersDefinerForTP()

CosmicParametersDefinerForTP::~CosmicParametersDefinerForTP ( )

overridedefault

Member Function Documentation

clone()

std::unique_ptr<ParametersDefinerForTP> CosmicParametersDefinerForTP::clone ( void  ) const

inlineoverridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 55 of file CosmicParametersDefinerForTP.h.

                                                               {
    return std::make_unique<CosmicParametersDefinerForTP>(*this);
  }

initEvent()

void CosmicParametersDefinerForTP::initEvent ( edm::Handle< SimHitTPAssociationProducer::SimHitTPAssociationList >  simHitsTPAssocToSet )

inlineoverridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 51 of file CosmicParametersDefinerForTP.h.

References simHitsTPAssoc.

                                                                                                             {
    simHitsTPAssoc = simHitsTPAssocToSet;
  }

momentum() [1/2]

TrackingParticle::Vector CosmicParametersDefinerForTP::momentum ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup, const TrackingParticleRef &  tpr  ) const

overridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 19 of file CosmicParametersDefinerForTP.cc.

References cms::cuda::bs, ParametersDefinerForTP::bsToken_, newFWLiteAna::found, geometryToken_, edm::EventSetup::getData(), runTauDisplay::gp, iEvent, TrajectoryStateClosestToBeamLine::isValid(), edm::HandleBase::isValid(), ParametersDefinerForTP::mfToken_, FreeTrajectoryState::momentum(), AlCaHLTBitMon_ParallelJobs::p, PV3DBase< T, PVType, FrameType >::perp(), CosmicsPD_Skims::radius, FastTimerService_cff::range, simHitsTPAssoc, SimHitTPAssociationProducer::simHitTPAssociationListGreater(), mathSSE::sqrt(), GeomDet::surface(), Surface::toGlobal(), TrajectoryStateClosestToBeamLine::trackStateAtPCA(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by momentumAndVertex().

                                                                                                      {
  // to add a new implementation for cosmic. For the moment, it is just as for
  // the base class:
  using namespace edm;
  using namespace std;
  using namespace reco;

  auto const &bs = iEvent.get(bsToken_);
  auto const &geometry = iSetup.getData(geometryToken_);
  auto const &mf = iSetup.getData(mfToken_);

  GlobalVector finalGV(0, 0, 0);
  GlobalPoint finalGP(0, 0, 0);
  double radius(9999);
  bool found(false);
  TrackingParticle::Vector momentum(0, 0, 0);

  edm::LogVerbatim("CosmicParametersDefinerForTP") << "\t in CosmicParametersDefinerForTP::momentum";
  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "\t \t Original TP state:          pt = " << tpr->pt() << ", pz = " << tpr->pz();

  if (simHitsTPAssoc.isValid() == 0) {
    LogError("TrackAssociation") << "Invalid handle!";
    return momentum;
  }
  std::pair<TrackingParticleRef, TrackPSimHitRef> clusterTPpairWithDummyTP(
      tpr,
      TrackPSimHitRef());  // SimHit is dummy: for simHitTPAssociationListGreater
                           // sorting only the cluster is needed
  auto range = std::equal_range(simHitsTPAssoc->begin(),
                                simHitsTPAssoc->end(),
                                clusterTPpairWithDummyTP,
                                SimHitTPAssociationProducer::simHitTPAssociationListGreater);
  for (auto ip = range.first; ip != range.second; ++ip) {
    TrackPSimHitRef it = ip->second;
    const GeomDet *tmpDet = geometry.idToDet(DetId(it->detUnitId()));
    if (!tmpDet) {
      edm::LogVerbatim("CosmicParametersDefinerForTP")
          << "***WARNING in CosmicParametersDefinerForTP::momentum: no GeomDet "
             "for: "
          << it->detUnitId() << ". Skipping it."
          << "\n";
      continue;
    }

    LocalVector lv = it->momentumAtEntry();
    Local3DPoint lp = it->localPosition();
    GlobalVector gv = tmpDet->surface().toGlobal(lv);
    GlobalPoint gp = tmpDet->surface().toGlobal(lp);

    // discard hits related to low energy debris from the primary particle
    if (it->processType() != 0)
      continue;

    if (gp.perp() < radius) {
      found = true;
      radius = gp.perp();
      finalGV = gv;
      finalGP = gp;
    }
  }

  edm::LogVerbatim("CosmicParametersDefinerForTP")
      //   <<"\t FINAL State at InnerMost Hit: Radius = "<< finalGP.perp() << ",
      //   z = "<< finalGP.z()
      //  <<", pt = "<< finalGV.perp() << ", pz = "<< finalGV.z();
      << "\t \t FINAL State at InnerMost Hit:   pt = " << finalGV.perp() << ", pz = " << finalGV.z();

  if (found) {
    FreeTrajectoryState ftsAtProduction(finalGP, finalGV, TrackCharge(tpr->charge()), &mf);
    TSCBLBuilderNoMaterial tscblBuilder;
    TrajectoryStateClosestToBeamLine tsAtClosestApproach =
        tscblBuilder(ftsAtProduction, bs);  // as in TrackProducerAlgorithm

    if (tsAtClosestApproach.isValid()) {
      GlobalVector p = tsAtClosestApproach.trackStateAtPCA().momentum();
      momentum = TrackingParticle::Vector(p.x(), p.y(), p.z());
    } else {
      edm::LogVerbatim("CosmicParametersDefinerForTP") << "*** WARNING in CosmicParametersDefinerForTP::momentum: "
                                                          "tsAtClosestApproach is not valid."
                                                       << "\n";
    }

    edm::LogVerbatim("CosmicParametersDefinerForTP")
        << "\t \t FINAL State extrap. at PCA: pt = " << sqrt(momentum.x() * momentum.x() + momentum.y() * momentum.y())
        << ", pz = " << momentum.z() << "\n";

    return momentum;
  }

  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "*** WARNING in CosmicParametersDefinerForTP::momentum: NOT found the "
         "innermost TP point"
      << "\n";
  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "*** FINAL Reference MOMENTUM TP (px,py,pz) = " << momentum.x() << momentum.y() << momentum.z() << "\n";
  return momentum;
}

momentum() [2/2]

TrackingParticle::Vector CosmicParametersDefinerForTP::momentum ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup, const Charge  ch, const Point &  vertex, const LorentzVector &  lv  ) const

inlineoverridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 35 of file CosmicParametersDefinerForTP.h.

                                                                            {
    return TrackingParticle::Vector();
  }

momentumAndVertex()

std::tuple<TrackingParticle::Vector, TrackingParticle::Point> CosmicParametersDefinerForTP::momentumAndVertex ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup, const TrackingParticleRef &  tpr  ) const

inlineoverridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 30 of file CosmicParametersDefinerForTP.h.

References iEvent, momentum(), and vertex().

                                                                                                          {
    return std::make_tuple(momentum(iEvent, iSetup, tpr), vertex(iEvent, iSetup, tpr));
  }

vertex() [1/2]

TrackingParticle::Point CosmicParametersDefinerForTP::vertex ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup, const TrackingParticleRef &  tpr  ) const

overridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 120 of file CosmicParametersDefinerForTP.cc.

References cms::cuda::bs, ParametersDefinerForTP::bsToken_, newFWLiteAna::found, geometryToken_, edm::EventSetup::getData(), runTauDisplay::gp, iEvent, TrajectoryStateClosestToBeamLine::isValid(), edm::HandleBase::isValid(), ParametersDefinerForTP::mfToken_, PV3DBase< T, PVType, FrameType >::perp(), FreeTrajectoryState::position(), CosmicsPD_Skims::radius, FastTimerService_cff::range, simHitsTPAssoc, SimHitTPAssociationProducer::simHitTPAssociationListGreater(), mathSSE::sqrt(), GeomDet::surface(), Surface::toGlobal(), TrajectoryStateClosestToBeamLine::trackStateAtPCA(), findQualityFiles::v, and PV3DBase< T, PVType, FrameType >::z().

Referenced by Tau.Tau::dxy(), and momentumAndVertex().

                                                                                                   {
  using namespace edm;
  using namespace std;
  using namespace reco;

  auto const &bs = iEvent.get(bsToken_);
  auto const &geometry = iSetup.getData(geometryToken_);
  auto const &mf = iSetup.getData(mfToken_);

  GlobalVector finalGV(0, 0, 0);
  GlobalPoint finalGP(0, 0, 0);
  double radius(9999);
  bool found(false);
  TrackingParticle::Point vertex(0, 0, 0);

  edm::LogVerbatim("CosmicParametersDefinerForTP") << "\t in CosmicParametersDefinerForTP::vertex";
  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "\t \t Original TP state:          radius = "
      << sqrt(tpr->vertex().x() * tpr->vertex().x() + tpr->vertex().y() * tpr->vertex().y())
      << ", z = " << tpr->vertex().z();

  if (simHitsTPAssoc.isValid() == 0) {
    LogError("TrackAssociation") << "Invalid handle!";
    return vertex;
  }
  std::pair<TrackingParticleRef, TrackPSimHitRef> clusterTPpairWithDummyTP(
      tpr,
      TrackPSimHitRef());  // SimHit is dummy: for simHitTPAssociationListGreater
                           // sorting only the cluster is needed
  auto range = std::equal_range(simHitsTPAssoc->begin(),
                                simHitsTPAssoc->end(),
                                clusterTPpairWithDummyTP,
                                SimHitTPAssociationProducer::simHitTPAssociationListGreater);
  for (auto ip = range.first; ip != range.second; ++ip) {
    TrackPSimHitRef it = ip->second;
    const GeomDet *tmpDet = geometry.idToDet(DetId(it->detUnitId()));
    if (!tmpDet) {
      edm::LogVerbatim("CosmicParametersDefinerForTP")
          << "***WARNING in CosmicParametersDefinerForTP::vertex: no GeomDet "
             "for: "
          << it->detUnitId() << ". Skipping it."
          << "\n";
      continue;
    }

    LocalVector lv = it->momentumAtEntry();
    Local3DPoint lp = it->localPosition();
    GlobalVector gv = tmpDet->surface().toGlobal(lv);
    GlobalPoint gp = tmpDet->surface().toGlobal(lp);

    // discard hits related to low energy debris from the primary particle
    if (it->processType() != 0)
      continue;

    if (gp.perp() < radius) {
      found = true;
      radius = gp.perp();
      finalGV = gv;
      finalGP = gp;
    }
  }
  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "\t \t FINAL State at InnerMost Hit:   radius = " << finalGP.perp() << ", z = " << finalGP.z();

  if (found) {
    FreeTrajectoryState ftsAtProduction(finalGP, finalGV, TrackCharge(tpr->charge()), &mf);
    TSCBLBuilderNoMaterial tscblBuilder;
    TrajectoryStateClosestToBeamLine tsAtClosestApproach =
        tscblBuilder(ftsAtProduction, bs);  // as in TrackProducerAlgorithm

    if (tsAtClosestApproach.isValid()) {
      GlobalPoint v = tsAtClosestApproach.trackStateAtPCA().position();
      vertex = TrackingParticle::Point(v.x(), v.y(), v.z());
    } else {
      // to preserve old behaviour
      // would be better to flag this somehow to allow ignoring in downstream
      vertex = TrackingParticle::Point(bs.x0(), bs.y0(), bs.z0());
      edm::LogVerbatim("CosmicParametersDefinerForTP") << "*** WARNING in CosmicParametersDefinerForTP::vertex: "
                                                          "tsAtClosestApproach is not valid."
                                                       << "\n";
    }
    edm::LogVerbatim("CosmicParametersDefinerForTP")
        << "\t \t FINAL State extrap. at PCA: radius = " << sqrt(vertex.x() * vertex.x() + vertex.y() * vertex.y())
        << ", z = " << vertex.z() << "\n";

    return vertex;
  }

  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "*** WARNING in CosmicParametersDefinerForTP::vertex: NOT found the "
         "innermost TP point"
      << "\n";
  edm::LogVerbatim("CosmicParametersDefinerForTP")
      << "*** FINAL Reference VERTEX TP   V(x,y,z) = " << vertex.x() << vertex.y() << vertex.z() << "\n";

  return vertex;
}

vertex() [2/2]

TrackingParticle::Point CosmicParametersDefinerForTP::vertex ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup, const Charge  ch, const Point &  vertex, const LorentzVector &  lv  ) const

inlineoverridevirtual

Reimplemented from ParametersDefinerForTP.

Definition at line 43 of file CosmicParametersDefinerForTP.h.

Referenced by Tau.Tau::dxy().

                                                                         {
    return TrackingParticle::Point();
  }

Member Data Documentation

geometryToken_

const edm::ESGetToken<GlobalTrackingGeometry, GlobalTrackingGeometryRecord> CosmicParametersDefinerForTP::geometryToken_

private

Definition at line 60 of file CosmicParametersDefinerForTP.h.

Referenced by momentum(), and vertex().

simHitsTPAssoc

edm::Handle<SimHitTPAssociationProducer::SimHitTPAssociationList> CosmicParametersDefinerForTP::simHitsTPAssoc

private

Definition at line 61 of file CosmicParametersDefinerForTP.h.

Referenced by initEvent(), momentum(), and vertex().