File indexing completed on 2024-04-06 12:28:50
0001 #include "RecoTracker/TkHitPairs/interface/CombinedHitPairGenerator.h"
0002 #include "RecoTracker/TkHitPairs/interface/HitPairGeneratorFromLayerPair.h"
0003 #include "FWCore/Framework/interface/ConsumesCollector.h"
0004 #include "FWCore/Framework/interface/Event.h"
0005 #include "DataFormats/Common/interface/Handle.h"
0006
0007 CombinedHitPairGenerator::CombinedHitPairGenerator(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC)
0008 : theSeedingLayerToken(iC.consumes<SeedingLayerSetsHits>(cfg.getParameter<edm::InputTag>("SeedingLayers"))) {
0009 theMaxElement = cfg.getParameter<unsigned int>("maxElement");
0010 theGenerator = std::make_unique<HitPairGeneratorFromLayerPair>(iC, 0, 1, &theLayerCache, theMaxElement);
0011 }
0012
0013 CombinedHitPairGenerator::~CombinedHitPairGenerator() {}
0014
0015 void CombinedHitPairGenerator::hitPairs(const TrackingRegion& region,
0016 OrderedHitPairs& result,
0017 const edm::Event& ev,
0018 const edm::EventSetup& es) {
0019 edm::Handle<SeedingLayerSetsHits> hlayers;
0020 ev.getByToken(theSeedingLayerToken, hlayers);
0021 const SeedingLayerSetsHits& layers = *hlayers;
0022 if (layers.numberOfLayersInSet() != 2)
0023 throw cms::Exception("Configuration")
0024 << "CombinedHitPairGenerator expects SeedingLayerSetsHits::numberOfLayersInSet() to be 2, got "
0025 << layers.numberOfLayersInSet();
0026
0027 for (SeedingLayerSetsHits::SeedingLayerSet layerSet : layers) {
0028 theGenerator->hitPairs(region, result, ev, es, layerSet);
0029 }
0030
0031 theLayerCache.clear();
0032
0033 LogDebug("CombinedHitPairGenerator") << " total number of pairs provided back CHPG : " << result.size();
0034 }
