Inheritance diagram for ShowerRecoTools::ShowerDirectionCheater:

Public Member Functions
	ShowerDirectionCheater (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

art::ServiceHandle < art::TFileService >	tfs

const art::InputTag	fPFParticleLabel

const unsigned int	fNSegments

const bool	fRMSFlip

const bool	fVertexFlip

TTree *	Tree

float	vertexDotProduct

float	rmsGradient

const std::string	fShowerStartPositionInputLabel

const std::string	fTrueParticleInputLabel

const std::string	fShowerDirectionOutputLabel

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 24 of file ShowerDirectionCheater_tool.cc.

Constructor & Destructor Documentation

ShowerRecoTools::ShowerDirectionCheater::ShowerDirectionCheater ( const fhicl::ParameterSet & pset )

Definition at line 59 of file ShowerDirectionCheater_tool.cc.

     : IShowerTool(pset.get<fhicl::ParameterSet>("BaseTools"))
     , fLArPandoraShowerCheatingAlg(pset.get<fhicl::ParameterSet>("LArPandoraShowerCheatingAlg"))
     , fPFParticleLabel(pset.get<art::InputTag>("PFParticleLabel"))
     , fNSegments(pset.get<unsigned int>("NSegments"))
     , fRMSFlip(pset.get<bool>("RMSFlip"))
     , fVertexFlip(pset.get<bool>("VertexFlip"))
     , fShowerStartPositionInputLabel(pset.get<std::string>("ShowerStartPositionInputLabel"))
     , fTrueParticleInputLabel(pset.get<std::string>("TrueParticleInputLabel"))
     , fShowerDirectionOutputLabel(pset.get<std::string>("ShowerDirectionOutputLabel"))
   {
     if (fVertexFlip || fRMSFlip) {
       Tree = tfs->make<TTree>("DebugTreeDirCheater", "DebugTree from shower direction cheater");
       if (fVertexFlip) Tree->Branch("vertexDotProduct", &vertexDotProduct);
       if (fRMSFlip) Tree->Branch("rmsGradient", &rmsGradient);
     }
   }

Member Function Documentation

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

overridevirtual

Implements ShowerRecoTools::IShowerTool.

Definition at line 78 of file ShowerDirectionCheater_tool.cc.

   {
 
     const simb::MCParticle* trueParticle;
 
     //Get the hits from the shower:
     auto const pfpHandle = Event.getValidHandle<std::vector<recob::PFParticle>>(fPFParticleLabel);
 
     auto const clockData =
       art::ServiceHandle<detinfo::DetectorClocksService const>()->DataFor(Event);
     auto const detProp =
       art::ServiceHandle<detinfo::DetectorPropertiesService const>()->DataFor(Event, clockData);
 
     if (ShowerEleHolder.CheckElement(fTrueParticleInputLabel)) {
       ShowerEleHolder.GetElement(fTrueParticleInputLabel, trueParticle);
     }
     else {
 
       //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 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
       std::pair<int, double> ShowerTrackInfo =
         fLArPandoraShowerCheatingAlg.TrueParticleIDFromTrueChain(
           clockData, showersMothers, showerHits, 2);
 
       if (ShowerTrackInfo.first == -99999) {
         mf::LogError("ShowerDirectionCheater") << "True shower not found, returning";
         return 1;
       }
       trueParticle = trueParticles[ShowerTrackInfo.first];
       ShowerEleHolder.SetElement(trueParticle, fTrueParticleInputLabel);
     }
 
     if (!trueParticle) {
       mf::LogError("ShowerDirectionCheater") << "True shower not found, returning";
       return 1;
     }
 
     TVector3 trueDir = TVector3{trueParticle->Px(), trueParticle->Py(), trueParticle->Pz()}.Unit();
 
     TVector3 trueDirErr = {-999, -999, -999};
     ShowerEleHolder.SetElement(trueDir, trueDirErr, fShowerDirectionOutputLabel);
 
     if (fRMSFlip || fVertexFlip) {
 
       // Reset the tree values to defaults
       rmsGradient = std::numeric_limits<float>::lowest();
       vertexDotProduct = std::numeric_limits<float>::lowest();
 
       //Get the SpacePoints and hits
       art::FindManyP<recob::SpacePoint> fmspp(pfpHandle, Event, fPFParticleLabel);
 
       if (!fmspp.isValid()) {
         throw cet::exception("ShowerDirectionCheater")
           << "Trying to get the spacepoint and failed. Something is not configured correctly. "
              "Stopping ";
       }
 
       auto const spHandle = Event.getValidHandle<std::vector<recob::SpacePoint>>(fPFParticleLabel);
       art::FindManyP<recob::Hit> fmh(spHandle, Event, fPFParticleLabel);
       if (!fmh.isValid()) {
         throw cet::exception("ShowerDirectionCheater")
           << "Spacepoint and hit association not valid. Stopping.";
       }
       std::vector<art::Ptr<recob::SpacePoint>> spacePoints = fmspp.at(pfparticle.key());
 
       if (spacePoints.size() < 3) {
         mf::LogWarning("ShowerDirectionCheater")
           << spacePoints.size() << " spacepoints in shower, not calculating direction" << std::endl;
         return 1;
       }
 
       //Get Shower Centre
       float TotalCharge;
 
       const TVector3 ShowerCentre = IShowerTool::GetLArPandoraShowerAlg().ShowerCentre(
         clockData, detProp, spacePoints, fmh, TotalCharge);
 
       //Check if we are pointing the correct direction or not, First try the start position
       if (ShowerEleHolder.CheckElement(fShowerStartPositionInputLabel) && fVertexFlip) {
 
         //Get the General direction as the vector between the start position and the centre
         TVector3 StartPositionVec = {-999, -999, -999};
         ShowerEleHolder.GetElement(fShowerStartPositionInputLabel, StartPositionVec);
 
         TVector3 GeneralDir = (ShowerCentre - StartPositionVec).Unit();
 
         //Dot product
         vertexDotProduct = trueDir.Dot(GeneralDir);
       }
 
       if (fRMSFlip) {
         //Otherwise Check against the RMS of the shower. Method adapated from EMShower Thanks Mike.
         rmsGradient = IShowerTool::GetLArPandoraShowerAlg().RMSShowerGradient(
           spacePoints, ShowerCentre, trueDir, fNSegments);
       }
       Tree->Fill();
     }
 
     return 0;
   }