HGCalTowerProcessor.cc

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#include "L1Trigger/L1THGCal/interface/HGCalProcessorBase.h"
 
#include "DataFormats/L1THGCal/interface/HGCalTriggerCell.h"
#include "DataFormats/L1THGCal/interface/HGCalTowerMap.h"
#include "DataFormats/L1THGCal/interface/HGCalTower.h"
 
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "L1Trigger/L1THGCal/interface/HGCalTriggerGeometryBase.h"
#include "L1Trigger/L1THGCal/interface/backend/HGCalTowerMap2DImpl.h"
#include "L1Trigger/L1THGCal/interface/backend/HGCalTowerMap3DImpl.h"
 
class HGCalTowerProcessor : public HGCalTowerProcessorBase {
public:
  HGCalTowerProcessor(const edm::ParameterSet& conf) : HGCalTowerProcessorBase(conf) {
    towermap2D_ = std::make_unique<HGCalTowerMap2DImpl>(conf.getParameterSet("towermap_parameters"));
    towermap3D_ = std::make_unique<HGCalTowerMap3DImpl>();
  }
 
  void eventSetup(const edm::EventSetup& es) override { towermap2D_->eventSetup(es); }
 
  void run(const std::pair<edm::Handle<l1t::HGCalTowerMapBxCollection>, edm::Handle<l1t::HGCalClusterBxCollection>>&
               collHandle,
           l1t::HGCalTowerBxCollection& collTowers,
           const edm::EventSetup& es) override {
    es.get<CaloGeometryRecord>().get("", triggerGeometry_);
 
    auto& towerMapCollHandle = collHandle.first;
    auto& unclTCsCollHandle = collHandle.second;
 
    /* create a persistent vector of pointers to the towerMaps */
    std::vector<edm::Ptr<l1t::HGCalTowerMap>> towerMapsPtrs;
    for (unsigned i = 0; i < towerMapCollHandle->size(); ++i) {
      towerMapsPtrs.emplace_back(towerMapCollHandle, i);
    }
 
    /* create additional TowerMaps from the unclustered TCs */
 
    // translate our HGCalClusters into HGCalTriggerCells
    std::vector<edm::Ptr<l1t::HGCalTriggerCell>> trigCellVec;
    for (unsigned i = 0; i < unclTCsCollHandle->size(); ++i) {
      edm::Ptr<l1t::HGCalCluster> ptr(unclTCsCollHandle, i);
      for (const auto& itTC : ptr->constituents()) {
        trigCellVec.push_back(itTC.second);
      }
    }
 
    // fill the TowerMaps with the HGCalTriggersCells
    l1t::HGCalTowerMapBxCollection towerMapsFromUnclTCs;
    towermap2D_->buildTowerMap2D(trigCellVec, towerMapsFromUnclTCs);
 
    /* merge the two sets of TowerMaps */
    unsigned int towerMapsPtrsSize = towerMapsPtrs.size();
    for (unsigned int i = 0; i < towerMapsFromUnclTCs.size(); ++i) {
      towerMapsPtrs.emplace_back(&(towerMapsFromUnclTCs[i]), i + towerMapsPtrsSize);
    }
 
    /* call to towerMap3D clustering */
    towermap3D_->buildTowerMap3D(towerMapsPtrs, collTowers);
  }
 
private:
  edm::ESHandle<HGCalTriggerGeometryBase> triggerGeometry_;
 
  /* algorithms instances */
  std::unique_ptr<HGCalTowerMap2DImpl> towermap2D_;
  std::unique_ptr<HGCalTowerMap3DImpl> towermap3D_;
};
 
DEFINE_EDM_PLUGIN(HGCalTowerFactory, HGCalTowerProcessor, "HGCalTowerProcessor");