Inheritance diagram for ShowerRecoTools::ShowerTrackTrajToSpacePoint:

Public Member Functions
	ShowerTrackTrajToSpacePoint (const fhicl::ParameterSet &pset)

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

Public 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)

Private Attributes
float	fMaxDist

art::InputTag	fPFParticleLabel

int	fVerbose

std::string	fInitialTrackSpacePointsOutputLabel

std::string	fInitialTrackHitsOutputLabel

std::string	fInitialTrackInputTag

std::string	fShowerStartPositionInputTag

std::string	fInitialTrackSpacePointsInputTag

Additional Inherited Members
Protected Member Functions inherited from ShowerRecoTools::IShowerTool
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 ShowerTrackTrajToSpacePoint_tool.cc.

Constructor & Destructor Documentation

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

Definition at line 41 of file ShowerTrackTrajToSpacePoint_tool.cc.

     : IShowerTool(pset.get<fhicl::ParameterSet>("BaseTools"))
     , fMaxDist(pset.get<float>("MaxDist"))
     , fPFParticleLabel(pset.get<art::InputTag>("PFParticleLabel"))
     , fVerbose(pset.get<int>("Verbose"))
     , fInitialTrackSpacePointsOutputLabel(
         pset.get<std::string>("InitialTrackSpacePointsOutputLabel"))
     , fInitialTrackHitsOutputLabel(pset.get<std::string>("InitialTrackHitsOutputLabel"))
     , fInitialTrackInputTag(pset.get<std::string>("InitialTrackInputTag"))
     , fShowerStartPositionInputTag(pset.get<std::string>("ShowerStartPositionInputTag"))
     , fInitialTrackSpacePointsInputTag(pset.get<std::string>("InitialTrackSpacePointsInputTag"))
   {}

Member Function Documentation

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

overridevirtual

Implements ShowerRecoTools::IShowerTool.

Definition at line 55 of file ShowerTrackTrajToSpacePoint_tool.cc.

   {
 
     //Check the Track has been defined
     if (!ShowerEleHolder.CheckElement(fInitialTrackInputTag)) {
       if (fVerbose)
         mf::LogError("ShowerTrackTrajToSpacePoint") << "Initial track not set" << std::endl;
       return 0;
     }
 
     //Check the start position is set.
     if (!ShowerEleHolder.CheckElement(fShowerStartPositionInputTag)) {
       if (fVerbose)
         mf::LogError("ShowerTrackTrajToSpacePoint")
           << "Start position not set, returning " << std::endl;
       return 0;
     }
 
     //Check the Track Hits has been defined
     if (!ShowerEleHolder.CheckElement(fInitialTrackSpacePointsInputTag)) {
       if (fVerbose)
         mf::LogError("ShowerTrackTrajToSpacePoint")
           << "Initial track spacepoints not set" << std::endl;
       return 0;
     }
 
     //Get the start poistion
     TVector3 ShowerStartPosition = {-999, -999, -999};
     ShowerEleHolder.GetElement(fShowerStartPositionInputTag, ShowerStartPosition);
 
     //Get the initial track hits.
     std::vector<art::Ptr<recob::SpacePoint>> intitaltrack_sp;
     ShowerEleHolder.GetElement(fInitialTrackSpacePointsInputTag, intitaltrack_sp);
 
     //Get the track
     recob::Track InitialTrack;
     ShowerEleHolder.GetElement(fInitialTrackInputTag, InitialTrack);
 
     std::vector<art::Ptr<recob::SpacePoint>> new_intitaltrack_sp;
     //Loop over the trajectory points
     for (unsigned int traj = 0; traj < InitialTrack.NumberTrajectoryPoints(); ++traj) {
 
       //ignore bogus info.
       auto flags = InitialTrack.FlagsAtPoint(traj);
       if (flags.isSet(recob::TrajectoryPointFlagTraits::NoPoint)) { continue; }
 
       geo::Point_t TrajPositionPoint = InitialTrack.LocationAtPoint(traj);
       TVector3 TrajPosition = {TrajPositionPoint.X(), TrajPositionPoint.Y(), TrajPositionPoint.Z()};
 
       geo::Point_t TrajPositionStartPoint = InitialTrack.LocationAtPoint(0);
       TVector3 TrajPositionStart = {
         TrajPositionStartPoint.X(), TrajPositionStartPoint.Y(), TrajPositionStartPoint.Z()};
 
       //Ignore values with 0 mag from the start position
       if ((TrajPosition - TrajPositionStart).Mag() == 0) { continue; }
       if ((TrajPosition - ShowerStartPosition).Mag() == 0) { continue; }
 
       float MinDist = 9999;
       unsigned int index = 999;
       for (unsigned int sp = 0; sp < intitaltrack_sp.size(); ++sp) {
         //Find the spacepoint closest to the trajectory point.
         art::Ptr<recob::SpacePoint> spacepoint = intitaltrack_sp[sp];
         TVector3 pos =
           IShowerTool::GetLArPandoraShowerAlg().SpacePointPosition(spacepoint) - TrajPosition;
         if (pos.Mag() < MinDist && pos.Mag() < fMaxDist) {
           MinDist = pos.Mag();
           index = sp;
         }
       }
 
       if (index == 999) { continue; }
       //Add the spacepoint to the track spacepoints.
       new_intitaltrack_sp.push_back(intitaltrack_sp[index]);
 
       //Delete the spacepoint so it can not be used again.
       intitaltrack_sp.erase(intitaltrack_sp.begin() + index);
     }
 
     // Get the spacepoints
     auto const spHandle = Event.getValidHandle<std::vector<recob::SpacePoint>>(fPFParticleLabel);
 
     // Get the hits associated with the space points
     const art::FindOneP<recob::Hit>& fohsp =
       ShowerEleHolder.GetFindOneP<recob::Hit>(spHandle, Event, fPFParticleLabel);
 
     //Save the corresponding hits
     std::vector<art::Ptr<recob::Hit>> trackHits;
     for (auto const& spacePoint : new_intitaltrack_sp) {
       //Get the hits
       const art::Ptr<recob::Hit> hit = fohsp.at(spacePoint.key());
       trackHits.push_back(hit);
     }
 
     //Save the spacepoints.
     ShowerEleHolder.SetElement(new_intitaltrack_sp, fInitialTrackSpacePointsOutputLabel);
     ShowerEleHolder.SetElement(trackHits, fInitialTrackHitsOutputLabel);
 
     return 0;
   }