#include <CosmicHitTripletGeneratorFromLayerTriplet.h>

Public Member Functions
	CosmicHitTripletGeneratorFromLayerTriplet (const LayerWithHits inner, const LayerWithHits middle, const LayerWithHits *outer, const edm::EventSetup &iSetup)

void	hitTriplets (const TrackingRegion &ar, OrderedHitTriplets &ap, const edm::EventSetup &iSetup)

const LayerWithHits *	innerLayer () const

const LayerWithHits *	middleLayer () const

const LayerWithHits *	outerLayer () const

	~CosmicHitTripletGeneratorFromLayerTriplet ()

Private Attributes
const DetLayer *	innerlay

const DetLayer *	middlelay

const DetLayer *	outerlay

const LayerWithHits *	theInnerLayer

const LayerWithHits *	theMiddleLayer

const LayerWithHits *	theOuterLayer

const TrackerGeometry *	trackerGeometry

const TransientTrackingRecHitBuilder *	TTRHbuilder

Detailed Description

Definition at line 16 of file CosmicHitTripletGeneratorFromLayerTriplet.h.

Constructor & Destructor Documentation

◆ CosmicHitTripletGeneratorFromLayerTriplet()

CosmicHitTripletGeneratorFromLayerTriplet::CosmicHitTripletGeneratorFromLayerTriplet	(	const LayerWithHits *	inner,
		const LayerWithHits *	middle,
		const LayerWithHits *	outer,
		const edm::EventSetup &	iSetup
	)

Definition at line 16 of file CosmicHitTripletGeneratorFromLayerTriplet.cc.

     : TTRHbuilder(nullptr),
       trackerGeometry(nullptr),
       //theLayerCache(*layerCache),
       theOuterLayer(outer),
       theMiddleLayer(middle),
       theInnerLayer(inner) {
   edm::ESHandle<TrackerGeometry> tracker;
   iSetup.get<TrackerDigiGeometryRecord>().get(tracker);
   trackerGeometry = tracker.product();
 }

References edm::EventSetup::get(), get, PbPb_ZMuSkimMuonDPG_cff::tracker, and trackerGeometry.

◆ ~CosmicHitTripletGeneratorFromLayerTriplet()

CosmicHitTripletGeneratorFromLayerTriplet::~CosmicHitTripletGeneratorFromLayerTriplet ( )

inline

Definition at line 22 of file CosmicHitTripletGeneratorFromLayerTriplet.h.

22 {}

Member Function Documentation

◆ hitTriplets()

void CosmicHitTripletGeneratorFromLayerTriplet::hitTriplets	(	const TrackingRegion &	ar,
		OrderedHitTriplets &	ap,
		const edm::EventSetup &	iSetup
	)

Definition at line 30 of file CosmicHitTripletGeneratorFromLayerTriplet.cc.

                                                                                          {
   if (theInnerLayer->recHits().empty())
     return;
   if (theMiddleLayer->recHits().empty())
     return;
   if (theOuterLayer->recHits().empty())
     return;
   float radius1 = dynamic_cast<const BarrelDetLayer *>(theInnerLayer->layer())->specificSurface().radius();
   float radius2 = dynamic_cast<const BarrelDetLayer *>(theMiddleLayer->layer())->specificSurface().radius();
   float radius3 = dynamic_cast<const BarrelDetLayer *>(theOuterLayer->layer())->specificSurface().radius();
   bool seedfromoverlaps = ((std::abs(radius1 - radius2) < 0.1) || (std::abs(radius3 - radius2) < 0.1)) ? true : false;
   std::vector<const TrackingRecHit *>::const_iterator ohh;
   std::vector<const TrackingRecHit *>::const_iterator mhh;
   std::vector<const TrackingRecHit *>::const_iterator ihh;
  
   std::string builderName = "WithTrackAngle";
   edm::ESHandle<TransientTrackingRecHitBuilder> builder;
   iSetup.get<TransientRecHitRecord>().get(builderName, builder);
  
   if (!seedfromoverlaps) {
     for (ohh = theOuterLayer->recHits().begin(); ohh != theOuterLayer->recHits().end(); ohh++) {
       auto oh = (BaseTrackerRecHit const *)(&*ohh);
       for (mhh = theMiddleLayer->recHits().begin(); mhh != theMiddleLayer->recHits().end(); mhh++) {
         auto mh = (BaseTrackerRecHit const *)(&*mhh);
         float z_diff = mh->globalPosition().z() - oh->globalPosition().z();
         float midy = mh->globalPosition().y();
         float outy = oh->globalPosition().y();
         float midx = mh->globalPosition().x();
         float outx = oh->globalPosition().x();
         float dxdy = std::abs((outx - midx) / (outy - midy));
         if ((std::abs(z_diff) < 30) && (outy * midy > 0) && (dxdy < 2)) {
           for (ihh = theInnerLayer->recHits().begin(); ihh != theInnerLayer->recHits().end(); ihh++) {
             auto ih = (BaseTrackerRecHit const *)(&*ihh);
             float z_diff = mh->globalPosition().z() - ih->globalPosition().z();
             float inny = ih->globalPosition().y();
             float innx = ih->globalPosition().x();
             float dxdy = std::abs((innx - midx) / (inny - midy));
             if ((std::abs(z_diff) < 30) && (inny * midy > 0) && (dxdy < 2) && (!seedfromoverlaps)) {
               result.push_back(OrderedHitTriplet(ih, mh, oh));
             }
           }
         }
       }
     }
   } else {
     for (ohh = theOuterLayer->recHits().begin(); ohh != theOuterLayer->recHits().end(); ohh++) {
       auto oh = (BaseTrackerRecHit const *)(&*ohh);
       for (mhh = theMiddleLayer->recHits().begin(); mhh != theMiddleLayer->recHits().end(); mhh++) {
         auto mh = (BaseTrackerRecHit const *)(&*mhh);
         float z_diff = mh->globalPosition().z() - oh->globalPosition().z();
         float midy = mh->globalPosition().y();
         float outy = oh->globalPosition().y();
         float midx = mh->globalPosition().x();
         float outx = oh->globalPosition().x();
         float dxdy = std::abs((outx - midx) / (outy - midy));
         float DeltaR = oh->globalPosition().perp() - mh->globalPosition().perp();
         if ((std::abs(z_diff) < 18) && (std::abs(oh->globalPosition().phi() - mh->globalPosition().phi()) < 0.05) &&
             (DeltaR < 0) && (dxdy < 2)) {
           for (ihh = theInnerLayer->recHits().begin(); ihh != theInnerLayer->recHits().end(); ihh++) {
             auto ih = (BaseTrackerRecHit const *)(&*ihh);
             float z_diff = mh->globalPosition().z() - ih->globalPosition().z();
             float inny = ih->globalPosition().y();
             float innx = ih->globalPosition().x();
             float dxdy = std::abs((innx - midx) / (inny - midy));
             if ((std::abs(z_diff) < 30) && (inny * midy > 0) && (dxdy < 2)) {
               result.push_back(OrderedHitTriplet(ih, mh, oh));
             }
           }
         }
       }
     }
   }
 }