ShowerRecoTools::ShowerStartPositionCheater Class Reference

Inheritance diagram for ShowerRecoTools::ShowerStartPositionCheater:

Public Member Functions
	ShowerStartPositionCheater (const fhicl::ParameterSet &pset)
int	CalculateElement (const art::Ptr< recob::PFParticle > &pfparticle, art::Event &Event, reco::shower::ShowerElementHolder &ShowerEleHolder) override

Private Attributes
shower::LArPandoraShowerCheatingAlg	fLArPandoraShowerCheatingAlg
const art::InputTag	fPFParticleLabel
const art::InputTag	fHitModuleLabel
const std::string	fShowerStartPositionOutputLabel
const std::string	fTrueParticleOutputLabel

Additional Inherited Members
Private Member Functions inherited from ShowerRecoTools::IShowerTool
	IShowerTool (const fhicl::ParameterSet &pset)
virtual	~IShowerTool () noexcept=default
int	RunShowerTool (const art::Ptr< recob::PFParticle > &pfparticle, art::Event &Event, reco::shower::ShowerElementHolder &ShowerEleHolder, std::string evd_display_name_append="")
virtual void	InitialiseProducers ()
void	SetPtr (art::ProducesCollector *collector)
void	InitaliseProducerPtr (reco::shower::ShowerProducedPtrsHolder &uniqueproducerPtrs)
virtual int	AddAssociations (const art::Ptr< recob::PFParticle > &pfpPtr, art::Event &Event, reco::shower::ShowerElementHolder &ShowerEleHolder)
const shower::LArPandoraShowerAlg &	GetLArPandoraShowerAlg () const
template<class T >
art::Ptr< T >	GetProducedElementPtr (std::string Name, reco::shower::ShowerElementHolder &ShowerEleHolder, int iter=-1)
template<class T >
void	InitialiseProduct (std::string Name, std::string InstanceName="")
template<class T , class A , class B >
void	AddSingle (A &a, B &b, std::string Name)
int	GetVectorPtrSize (std::string Name)
void	PrintPtrs ()
void	PrintPtr (std::string Name)

Detailed Description

Definition at line 18 of file ShowerStartPositionCheater_tool.cc.

Constructor & Destructor Documentation

ShowerRecoTools::ShowerStartPositionCheater::ShowerStartPositionCheater

(

const fhicl::ParameterSet &

pset

)

Definition at line 40 of file ShowerStartPositionCheater_tool.cc.

    : IShowerTool(pset.get<fhicl::ParameterSet>("BaseTools"))
    , fLArPandoraShowerCheatingAlg(pset.get<fhicl::ParameterSet>("LArPandoraShowerCheatingAlg"))
    , fPFParticleLabel(pset.get<art::InputTag>("PFParticleLabel"))
    , fHitModuleLabel(pset.get<art::InputTag>("HitModuleLabel"))
    , fShowerStartPositionOutputLabel(pset.get<std::string>("ShowerStartPositionOutputLabel"))
    , fTrueParticleOutputLabel(pset.get<std::string>("TrueParticleOutputLabel"))
  {}

Member Function Documentation

int ShowerRecoTools::ShowerStartPositionCheater::CalculateElement ( const art::Ptr< recob::PFParticle > &  pfparticle, art::Event &  Event, reco::shower::ShowerElementHolder &  ShowerEleHolder  )

overridevirtual

Implements ShowerRecoTools::IShowerTool.

Definition at line 50 of file ShowerStartPositionCheater_tool.cc.

  {

    //Could store these in the shower element holder and just calculate once?
    std::map<int, const simb::MCParticle*> trueParticles =
      fLArPandoraShowerCheatingAlg.GetTrueParticleMap();
    std::map<int, std::vector<int>> showersMothers =
      fLArPandoraShowerCheatingAlg.GetTrueChain(trueParticles);

    //Get the hits from the shower:
    auto const pfpHandle = Event.getValidHandle<std::vector<recob::PFParticle>>(fPFParticleLabel);

    //Get the clusters
    auto const clusHandle = Event.getValidHandle<std::vector<recob::Cluster>>(fPFParticleLabel);

    art::FindManyP<recob::Cluster> fmc(pfpHandle, Event, fPFParticleLabel);
    std::vector<art::Ptr<recob::Cluster>> clusters = fmc.at(pfparticle.key());

    //Get the hit association
    art::FindManyP<recob::Hit> fmhc(clusHandle, Event, fPFParticleLabel);

    std::vector<art::Ptr<recob::Hit>> showerHits;
    for (auto const& cluster : clusters) {

      //Get the hits
      std::vector<art::Ptr<recob::Hit>> hits = fmhc.at(cluster.key());
      showerHits.insert(showerHits.end(), hits.begin(), hits.end());
    }

    //Get the true particle from the shower
    auto const clockData =
      art::ServiceHandle<detinfo::DetectorClocksService const>()->DataFor(Event);

    std::pair<int, double> ShowerTrackInfo =
      fLArPandoraShowerCheatingAlg.TrueParticleIDFromTrueChain(
        clockData, showersMothers, showerHits, 2);

    if (ShowerTrackInfo.first == -99999) {
      mf::LogError("ShowerStartPositionCheater") << "True Shower Not Found";
      return 1;
    }

    const simb::MCParticle* trueParticle = trueParticles[ShowerTrackInfo.first];
    if (!trueParticle) {
      mf::LogError("ShowerDirectionCheater") << "True shower not found, returning";
      return 1;
    }

    ShowerEleHolder.SetElement(trueParticle, fTrueParticleOutputLabel);

    TVector3 trueStartPos = {-999, -999, -999};
    // If the true particle is a photon, we need to be smarter.
    // Select the first traj point where tne photon loses energy
    if (abs(trueParticle->PdgCode()) == 22) {
      double initialEnergy = trueParticle->E();
      unsigned int TrajPoints = trueParticle->NumberTrajectoryPoints();
      for (unsigned int trajPoint = 0; trajPoint < TrajPoints; trajPoint++) {
        if (trueParticle->E(trajPoint) < initialEnergy) {
          trueStartPos = trueParticle->Position(trajPoint).Vect();
          break;
        }
      }
    }
    else {
      trueStartPos = trueParticle->Position().Vect();
    }

    TVector3 trueStartPosErr = {-999, -999, -999};
    ShowerEleHolder.SetElement(trueStartPos, trueStartPosErr, fShowerStartPositionOutputLabel);

    return 0;
  }

Member Data Documentation

const art::InputTag ShowerRecoTools::ShowerStartPositionCheater::fHitModuleLabel

private

Definition at line 34 of file ShowerStartPositionCheater_tool.cc.

shower::LArPandoraShowerCheatingAlg ShowerRecoTools::ShowerStartPositionCheater::fLArPandoraShowerCheatingAlg

private

Definition at line 30 of file ShowerStartPositionCheater_tool.cc.

const art::InputTag ShowerRecoTools::ShowerStartPositionCheater::fPFParticleLabel

private

Definition at line 33 of file ShowerStartPositionCheater_tool.cc.

const std::string ShowerRecoTools::ShowerStartPositionCheater::fShowerStartPositionOutputLabel

private

Definition at line 36 of file ShowerStartPositionCheater_tool.cc.

const std::string ShowerRecoTools::ShowerStartPositionCheater::fTrueParticleOutputLabel

private

Definition at line 37 of file ShowerStartPositionCheater_tool.cc.

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The documentation for this class was generated from the following file:

• larpandora/larpandora/LArPandoraEventBuilding/LArPandoraShower/Tools/Cheating/ShowerStartPositionCheater_tool.cc