reco3d::IntersectionCache Class Reference

Public Member Functions
	IntersectionCache (geo::WireReadoutGeom const *cmAlg, geo::TPCID tpc)
std::optional< geo::WireIDIntersection > const &	operator() (raw::ChannelID_t a, raw::ChannelID_t b)

Private Types
using	key_t = std::pair< raw::ChannelID_t, raw::ChannelID_t >

Private Member Functions
std::optional< geo::WireIDIntersection >	ISect (raw::ChannelID_t chanA, raw::ChannelID_t chanB) const

Private Attributes
const geo::WireReadoutGeom *	wireReadoutGeom
std::map< key_t, std::optional< geo::WireIDIntersection > >	fPtMap
geo::TPCID	fTPC

Detailed Description

Definition at line 73 of file TripletFinder.cxx.

Member Typedef Documentation

using reco3d::IntersectionCache::key_t = std::pair<raw::ChannelID_t, raw::ChannelID_t>

private

Definition at line 107 of file TripletFinder.cxx.

Constructor & Destructor Documentation

reco3d::IntersectionCache::IntersectionCache ( geo::WireReadoutGeom const *  cmAlg, geo::TPCID  tpc  )

inline

Definition at line 75 of file TripletFinder.cxx.

      : wireReadoutGeom{cmAlg}, fTPC(tpc)
    {}

Member Function Documentation

std::optional<geo::WireIDIntersection> reco3d::IntersectionCache::ISect ( raw::ChannelID_t  chanA, raw::ChannelID_t  chanB  ) const

inlineprivate

Definition at line 90 of file TripletFinder.cxx.

References geo::WireReadoutGeom::ChannelToWire(), pt, geo::WireReadoutGeom::WireIDsIntersect(), and reco3d::TripletFinder::wireReadoutGeom.

    {
      for (geo::WireID awire : wireReadoutGeom->ChannelToWire(chanA)) {
        if (geo::TPCID(awire) != fTPC) continue;
        for (geo::WireID bwire : wireReadoutGeom->ChannelToWire(chanB)) {
          if (geo::TPCID(bwire) != fTPC) continue;

          if (auto pt = wireReadoutGeom->WireIDsIntersect(awire, bwire)) return pt;
        }
      }

      return std::nullopt;
    }

std::optional<geo::WireIDIntersection> const& reco3d::IntersectionCache::operator() ( raw::ChannelID_t  a, raw::ChannelID_t  b  )

inline

Definition at line 79 of file TripletFinder.cxx.

    {
      auto const key = std::make_pair(a, b);

      auto it = fPtMap.find(key);
      if (it != fPtMap.end()) { return it->second; }

      return fPtMap.try_emplace(key, ISect(a, b)).first->second;
    }

Member Data Documentation

std::map<key_t, std::optional<geo::WireIDIntersection> > reco3d::IntersectionCache::fPtMap

private

Definition at line 108 of file TripletFinder.cxx.

geo::TPCID reco3d::IntersectionCache::fTPC

private

Definition at line 110 of file TripletFinder.cxx.

const geo::WireReadoutGeom* reco3d::IntersectionCache::wireReadoutGeom

private

Definition at line 105 of file TripletFinder.cxx.

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

• larreco/v10_01_07/source/larreco/SpacePointSolver/TripletFinder.cxx