Inheritance diagram for cluster::BlurredClustering:

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

Private Member Functions
void	produce (art::Event &evt) override

Private Attributes
std::string const	fHitsModuleLabel

std::string const	fTrackModuleLabel

std::string const	fVertexModuleLabel

std::string const	fPFParticleModuleLabel

bool const	fCreateDebugPDF

bool const	fMergeClusters

bool const	fGlobalTPCRecon

bool const	fShowerReconOnly

cluster::BlurredClusteringAlg	fBlurredClusteringAlg

cluster::MergeClusterAlg	fMergeClusterAlg

shower::TrackShowerSeparationAlg	fTrackShowerSeparationAlg

Detailed Description

Definition at line 52 of file BlurredClustering_module.cc.

Constructor & Destructor Documentation

cluster::BlurredClustering::BlurredClustering ( fhicl::ParameterSet const & pset )

explicit

Definition at line 68 of file BlurredClustering_module.cc.

   : EDProducer{pset}
   , fHitsModuleLabel{pset.get<std::string>("HitsModuleLabel")}
   , fTrackModuleLabel{pset.get<std::string>("TrackModuleLabel")}
   , fVertexModuleLabel{pset.get<std::string>("VertexModuleLabel")}
   , fPFParticleModuleLabel{pset.get<std::string>("PFParticleModuleLabel")}
   , fCreateDebugPDF{pset.get<bool>("CreateDebugPDF")}
   , fMergeClusters{pset.get<bool>("MergeClusters")}
   , fGlobalTPCRecon{pset.get<bool>("GlobalTPCRecon")}
   , fShowerReconOnly{pset.get<bool>("ShowerReconOnly")}
   , fBlurredClusteringAlg{pset.get<fhicl::ParameterSet>("BlurredClusterAlg")}
   , fMergeClusterAlg{pset.get<fhicl::ParameterSet>("MergeClusterAlg")}
   , fTrackShowerSeparationAlg{pset.get<fhicl::ParameterSet>("TrackShowerSeparationAlg")}
 {
   produces<std::vector<recob::Cluster>>();
   produces<art::Assns<recob::Cluster, recob::Hit>>();
 }

Member Function Documentation

void cluster::BlurredClustering::produce ( art::Event & evt )

overrideprivate

Definition at line 87 of file BlurredClustering_module.cc.

 {
   // Create debug pdf to illustrate the blurring process
   if (fCreateDebugPDF) fBlurredClusteringAlg.CreateDebugPDF(evt.run(), evt.subRun(), evt.event());
 
   // Output containers -- collection of clusters and associations
   auto clusters = std::make_unique<std::vector<recob::Cluster>>();
   auto associations = std::make_unique<art::Assns<recob::Cluster, recob::Hit>>();
 
   // Compute the cluster characteristics
   // Just use default for now, but configuration will go here
   ClusterParamsImportWrapper<StandardClusterParamsAlg> ClusterParamAlgo;
 
   // Services
   art::ServiceHandle<geo::Geometry const> geom;
   auto const clockData = art::ServiceHandle<detinfo::DetectorClocksService const>()->DataFor(evt);
   auto const detProp =
     art::ServiceHandle<detinfo::DetectorPropertiesService const>()->DataFor(evt, clockData);
   util::GeometryUtilities const gser{*geom, clockData, detProp};
   int const readoutWindowSize = detProp.ReadOutWindowSize();
 
   // Get the hits from the event
   art::Handle<std::vector<recob::Hit>> hitCollection;
   std::vector<art::Ptr<recob::Hit>> hits;
   std::vector<art::Ptr<recob::Hit>> hitsToCluster;
   if (evt.getByLabel(fHitsModuleLabel, hitCollection)) art::fill_ptr_vector(hits, hitCollection);
 
   if (fShowerReconOnly) {
 
     // Get the tracks from the event
     art::Handle<std::vector<recob::Track>> trackCollection;
     std::vector<art::Ptr<recob::Track>> tracks;
     if (evt.getByLabel(fTrackModuleLabel, trackCollection))
       art::fill_ptr_vector(tracks, trackCollection);
 
     // Get the space points from the event
     art::Handle<std::vector<recob::SpacePoint>> spacePointCollection;
     std::vector<art::Ptr<recob::SpacePoint>> spacePoints;
     if (evt.getByLabel(fTrackModuleLabel, spacePointCollection))
       art::fill_ptr_vector(spacePoints, spacePointCollection);
 
     // Get vertices from the event
     art::Handle<std::vector<recob::Vertex>> vertexCollection;
     std::vector<art::Ptr<recob::Vertex>> vertices;
     if (evt.getByLabel(fVertexModuleLabel, vertexCollection))
       art::fill_ptr_vector(vertices, vertexCollection);
 
     // Get pandora pfparticles and clusters from the event
     art::Handle<std::vector<recob::PFParticle>> pfParticleCollection;
     std::vector<art::Ptr<recob::PFParticle>> pfParticles;
     if (evt.getByLabel(fPFParticleModuleLabel, pfParticleCollection))
       art::fill_ptr_vector(pfParticles, pfParticleCollection);
     art::Handle<std::vector<recob::Cluster>> clusterCollection;
     evt.getByLabel(fPFParticleModuleLabel, clusterCollection);
 
     if (trackCollection.isValid()) {
       art::FindManyP<recob::Hit> fmht(trackCollection, evt, fTrackModuleLabel);
       art::FindManyP<recob::Track> fmth(hitCollection, evt, fTrackModuleLabel);
       art::FindManyP<recob::SpacePoint> fmspt(trackCollection, evt, fTrackModuleLabel);
       art::FindManyP<recob::Track> fmtsp(spacePointCollection, evt, fTrackModuleLabel);
       hitsToCluster = fTrackShowerSeparationAlg.SelectShowerHits(
         evt.event(), hits, tracks, spacePoints, fmht, fmth, fmspt, fmtsp);
     }
   }
   else
     hitsToCluster = hits;
 
   // Make a map between the planes and the hits on each
   std::map<std::pair<int, int>, std::vector<art::Ptr<recob::Hit>>> planeToHits;
   for (auto const& hitToCluster : hitsToCluster) {
     auto const& wireID = hitToCluster->WireID();
     auto const planeNo = wireID.Plane;
     auto const tpc = fGlobalTPCRecon ? wireID.TPC % 2 : wireID.TPC;
     planeToHits[std::make_pair(planeNo, tpc)].push_back(hitToCluster);
   }
 
   // Loop over views
   for (auto const& [plane, hits] : planeToHits) {
     std::vector<art::PtrVector<recob::Hit>> finalClusters;
 
     // Implement the algorithm
     if (hits.size() >= fBlurredClusteringAlg.GetMinSize()) {
 
       // Convert hit map to TH2 histogram and blur it
       auto const image = fBlurredClusteringAlg.ConvertRecobHitsToVector(hits, readoutWindowSize);
       auto const blurred = fBlurredClusteringAlg.GaussianBlur(image);
 
       // Find clusters in histogram
       std::vector<std::vector<int>>
         allClusterBins; // Vector of clusters (clusters are vectors of hits)
       int numClusters = fBlurredClusteringAlg.FindClusters(blurred, allClusterBins);
       mf::LogVerbatim("Blurred Clustering") << "Found " << numClusters << " clusters" << std::endl;
 
       // Create output clusters from the vector of clusters made in FindClusters
       std::vector<art::PtrVector<recob::Hit>> planeClusters;
       fBlurredClusteringAlg.ConvertBinsToClusters(image, allClusterBins, planeClusters);
 
       // Use the cluster merging algorithm
       if (fMergeClusters) {
         int numMergedClusters = fMergeClusterAlg.MergeClusters(planeClusters, finalClusters);
         mf::LogVerbatim("Blurred Clustering")
           << "After merging, there are " << numMergedClusters << " clusters" << std::endl;
       }
       else
         finalClusters = planeClusters;
 
       // Make the debug PDF
       if (fCreateDebugPDF) {
         std::stringstream name;
         name << "blurred_image";
         TH2F* imageHist = fBlurredClusteringAlg.MakeHistogram(image, TString{name.str()});
         name << "_convolved";
         TH2F* blurredHist = fBlurredClusteringAlg.MakeHistogram(blurred, TString{name.str()});
         auto const [planeNo, tpc] = plane;
         fBlurredClusteringAlg.SaveImage(imageHist, 1, tpc, planeNo);
         fBlurredClusteringAlg.SaveImage(blurredHist, 2, tpc, planeNo);
         fBlurredClusteringAlg.SaveImage(blurredHist, allClusterBins, 3, tpc, planeNo);
         fBlurredClusteringAlg.SaveImage(imageHist, finalClusters, 4, tpc, planeNo);
         imageHist->Delete();
         blurredHist->Delete();
       }
 
     } // End min hits check
 
     // Make the output cluster objects
     for (auto const& clusterHits : finalClusters) {
       if (clusterHits.empty()) continue;
 
       // Get the start and end wires of the cluster
       unsigned int const startWire =
         fBlurredClusteringAlg.GlobalWire(clusterHits.front()->WireID());
       unsigned int const endWire = fBlurredClusteringAlg.GlobalWire(clusterHits.back()->WireID());
 
       // Put cluster hits in the algorithm
       ClusterParamAlgo.ImportHits(gser, clusterHits);
 
       // Create the recob::Cluster and place in the vector of clusters
       ClusterCreator cluster(gser,
                              ClusterParamAlgo,                        // algo
                              float(startWire),                        // start_wire
                              0.,                                      // sigma_start_wire
                              clusterHits.front()->PeakTime(),         // start_tick
                              clusterHits.front()->SigmaPeakTime(),    // sigma_start_tick
                              float(endWire),                          // end_wire
                              0.,                                      // sigma_end_wire,
                              clusterHits.back()->PeakTime(),          // end_tick
                              clusterHits.back()->SigmaPeakTime(),     // sigma_end_tick
                              clusters->size(),                        // ID
                              clusterHits.front()->View(),             // view
                              clusterHits.front()->WireID().planeID(), // plane
                              recob::Cluster::Sentry                   // sentry
       );
       clusters->emplace_back(cluster.move());
 
       // Associate the hits to this cluster
       util::CreateAssn(evt, *clusters, clusterHits, *associations);
     } // End loop over all clusters
   }
 
   evt.put(std::move(clusters));
   evt.put(std::move(associations));
 }