File indexing completed on 2024-04-06 12:27:28
0001 #include "RecoParticleFlow/PFProducer/interface/BlockElementLinkerBase.h"
0002 #include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
0003 #include "DataFormats/ParticleFlowReco/interface/PFBlockElementCluster.h"
0004 #include "RecoParticleFlow/PFClusterTools/interface/LinkByRecHit.h"
0005
0006 class HCALAndHOLinker : public BlockElementLinkerBase {
0007 public:
0008 HCALAndHOLinker(const edm::ParameterSet& conf)
0009 : BlockElementLinkerBase(conf),
0010 useKDTree_(conf.getParameter<bool>("useKDTree")),
0011 debug_(conf.getUntrackedParameter<bool>("debug", false)) {}
0012
0013 double testLink(const reco::PFBlockElement*, const reco::PFBlockElement*) const override;
0014
0015 private:
0016 bool useKDTree_, debug_;
0017 };
0018
0019 DEFINE_EDM_PLUGIN(BlockElementLinkerFactory, HCALAndHOLinker, "HCALAndHOLinker");
0020
0021 double HCALAndHOLinker::testLink(const reco::PFBlockElement* elem1, const reco::PFBlockElement* elem2) const {
0022 const reco::PFBlockElementCluster *hcalelem(nullptr), *hoelem(nullptr);
0023 double dist(-1.0);
0024 if (elem1->type() < elem2->type()) {
0025 hcalelem = static_cast<const reco::PFBlockElementCluster*>(elem1);
0026 hoelem = static_cast<const reco::PFBlockElementCluster*>(elem2);
0027 } else {
0028 hcalelem = static_cast<const reco::PFBlockElementCluster*>(elem2);
0029 hoelem = static_cast<const reco::PFBlockElementCluster*>(elem1);
0030 }
0031 const reco::PFClusterRef& hcalref = hcalelem->clusterRef();
0032 const reco::PFClusterRef& horef = hoelem->clusterRef();
0033 const reco::PFCluster::REPPoint& hcalreppos = hcalref->positionREP();
0034 if (hcalref.isNull() || horef.isNull()) {
0035 throw cms::Exception("BadClusterRefs") << "PFBlockElementCluster's refs are null!";
0036 }
0037 dist = (std::abs(hcalreppos.Eta()) < 1.5
0038 ? LinkByRecHit::computeDist(
0039 hcalreppos.Eta(), hcalreppos.Phi(), horef->positionREP().Eta(), horef->positionREP().Phi())
0040 : -1.0);
0041 return (dist < 0.2 ? dist : -1.0);
0042 }
