GlobalTrackingRegionProducer.h

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#ifndef RecoTracker_TkTrackingRegions_GlobalTrackingRegionProducer_H
#define RecoTracker_TkTrackingRegions_GlobalTrackingRegionProducer_H
 
#include "RecoTracker/TkTrackingRegions/interface/TrackingRegionProducer.h"
#include "RecoTracker/TkTrackingRegions/interface/GlobalTrackingRegion.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
 
class GlobalTrackingRegionProducer : public TrackingRegionProducer {
public:
  GlobalTrackingRegionProducer(const edm::ParameterSet& cfg, edm::ConsumesCollector&& iC) {
    edm::ParameterSet regionPSet = cfg.getParameter<edm::ParameterSet>("RegionPSet");
 
    thePtMin = regionPSet.getParameter<double>("ptMin");
    theOriginRadius = regionPSet.getParameter<double>("originRadius");
    theOriginHalfLength = regionPSet.getParameter<double>("originHalfLength");
    double xPos = regionPSet.getParameter<double>("originXPos");
    double yPos = regionPSet.getParameter<double>("originYPos");
    double zPos = regionPSet.getParameter<double>("originZPos");
    thePrecise = regionPSet.getParameter<bool>("precise");
    theOrigin = GlobalPoint(xPos, yPos, zPos);
  }
 
  ~GlobalTrackingRegionProducer() override {}
 
  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
    edm::ParameterSetDescription desc;
 
    desc.add<bool>("precise", true);
    desc.add<bool>("useMultipleScattering", false);
    desc.add<double>("originHalfLength", 21.2);
    desc.add<double>("originRadius", 0.2);
    desc.add<double>("originXPos", 0.0);
    desc.add<double>("originYPos", 0.0);
    desc.add<double>("originZPos", 0.0);
    desc.add<double>("ptMin", 0.9);
 
    // Only for backwards-compatibility
    edm::ParameterSetDescription descRegion;
    descRegion.add<edm::ParameterSetDescription>("RegionPSet", desc);
 
    descriptions.add("globalTrackingRegion", descRegion);
  }
 
  std::vector<std::unique_ptr<TrackingRegion> > regions(const edm::Event&, const edm::EventSetup&) const override {
    std::vector<std::unique_ptr<TrackingRegion> > result;
    result.push_back(
        std::make_unique<GlobalTrackingRegion>(thePtMin, theOrigin, theOriginRadius, theOriginHalfLength, thePrecise));
    return result;
  }
 
private:
  double thePtMin;
  GlobalPoint theOrigin;
  double theOriginRadius;
  double theOriginHalfLength;
  bool thePrecise;
};
 
#endif