Inheritance diagram for PixelClusterShapeSeedComparitor:

Public Member Functions
virtual bool	compatible (const SeedingHitSet &hits, const TrackingRegion &region) const override

virtual bool	compatible (const TrajectorySeed &seed) const override

virtual bool	compatible (const TrajectoryStateOnSurface &, SeedingHitSet::ConstRecHitPointer hit) const override

virtual bool	compatible (const SeedingHitSet &hits, const GlobalTrajectoryParameters &helixStateAtVertex, const FastHelix &helix, const TrackingRegion &region) const override

virtual bool	compatible (const SeedingHitSet &hits, const GlobalTrajectoryParameters &straightLineStateAtVertex, const TrackingRegion &region) const override

virtual void	init (const edm::Event &ev, const edm::EventSetup &es) override

	PixelClusterShapeSeedComparitor (const edm::ParameterSet &cfg, edm::ConsumesCollector &iC)

virtual	~PixelClusterShapeSeedComparitor ()

Public Member Functions inherited from SeedComparitor
virtual	~SeedComparitor ()

Private Member Functions
bool	compatibleHit (const TrackingRecHit &hit, const GlobalVector &direction) const

Private Attributes
const bool	filterAtHelixStage_

edm::ESHandle < ClusterShapeHitFilter >	filterHandle_

std::string	filterName_

const bool	filterPixelHits_

const bool	filterStripHits_

const SiPixelClusterShapeCache *	pixelClusterShapeCache_

edm::EDGetTokenT < SiPixelClusterShapeCache >	pixelClusterShapeCacheToken_

Detailed Description

Definition at line 25 of file ClusterShapeSeedComparitor.cc.

Constructor & Destructor Documentation

PixelClusterShapeSeedComparitor::PixelClusterShapeSeedComparitor	(	const edm::ParameterSet &	cfg,
		edm::ConsumesCollector &	iC
	)

Definition at line 54 of file ClusterShapeSeedComparitor.cc.

References edm::ConsumesCollector::consumes(), filterPixelHits_, edm::ParameterSet::getParameter(), and pixelClusterShapeCacheToken_.

                                                                                                                      :
     filterName_(cfg.getParameter<std::string>("ClusterShapeHitFilterName")),
     pixelClusterShapeCache_(nullptr),
     filterAtHelixStage_(cfg.getParameter<bool>("FilterAtHelixStage")),
     filterPixelHits_(cfg.getParameter<bool>("FilterPixelHits")),
     filterStripHits_(cfg.getParameter<bool>("FilterStripHits"))
 {
   if(filterPixelHits_) {
     pixelClusterShapeCacheToken_ = iC.consumes<SiPixelClusterShapeCache>(cfg.getParameter<edm::InputTag>("ClusterShapeCacheSrc"));
   }
 }

PixelClusterShapeSeedComparitor::~PixelClusterShapeSeedComparitor ( )

virtual

Definition at line 66 of file ClusterShapeSeedComparitor.cc.

67 {

68 }

Member Function Documentation

virtual bool PixelClusterShapeSeedComparitor::compatible	(	const SeedingHitSet &	hits,
		const TrackingRegion &	region
	)		const

inlineoverridevirtual

Implements SeedComparitor.

Definition at line 30 of file ClusterShapeSeedComparitor.cc.

30 { return true; }

virtual bool PixelClusterShapeSeedComparitor::compatible ( const TrajectorySeed & seed ) const

inlineoverridevirtual

Implements SeedComparitor.

Definition at line 31 of file ClusterShapeSeedComparitor.cc.

31 { return true; }

bool PixelClusterShapeSeedComparitor::compatible	(	const TrajectoryStateOnSurface &	tsos,
		SeedingHitSet::ConstRecHitPointer	hit
	)		const

overridevirtual

Implements SeedComparitor.

Definition at line 82 of file ClusterShapeSeedComparitor.cc.

References compatibleHit(), filterAtHelixStage_, TrajectoryStateOnSurface::globalDirection(), and TrajectoryStateOnSurface::isValid().

 {
     if (filterAtHelixStage_) return true;
     assert(hit->isValid() && tsos.isValid());
     return compatibleHit(*hit, tsos.globalDirection());
 }

bool PixelClusterShapeSeedComparitor::compatible	(	const SeedingHitSet &	hits,
		const GlobalTrajectoryParameters &	helixStateAtVertex,
		const FastHelix &	helix,
		const TrackingRegion &	region
	)		const

overridevirtual

Implements SeedComparitor.

Definition at line 99 of file ClusterShapeSeedComparitor.cc.

References FastHelix::circle(), compatibleHit(), filterAtHelixStage_, i, FastHelix::isValid(), GlobalTrajectoryParameters::momentum(), n, perp2(), GlobalTrajectoryParameters::position(), SeedingHitSet::size(), mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), FastCircle::x0(), PV3DBase< T, PVType, FrameType >::y(), FastCircle::y0(), and PV3DBase< T, PVType, FrameType >::z().

 { 
     if (!filterAtHelixStage_) return true;
 
     if(!helix.isValid()) edm::LogWarning("InvalidHelix") << "PixelClusterShapeSeedComparitor helix is not valid, result is bad";
 
     float xc = helix.circle().x0(), yc = helix.circle().y0();
 
     GlobalPoint  vertex = helixStateAtVertex.position();
     GlobalVector momvtx = helixStateAtVertex.momentum();
     float x0 = vertex.x(), y0 = vertex.y();
     for (unsigned int i = 0, n = hits.size(); i < n; ++i) {
         auto const  & hit = *hits[i];
         GlobalPoint pos = hit.globalPosition();
         float x1 = pos.x(), y1 = pos.y(), dx1 = x1 - xc, dy1 = y1 - yc;
 
         // now figure out the proper tangent vector
         float perpx = -dy1, perpy = dx1;
         if (perpx * (x1-x0) + perpy * (y1 - y0) < 0) {
             perpy = -perpy; perpx = -perpx;
         }
        
         // now normalize (perpx, perpy, 1.0) to momentum (px, py, pz)
         float perp2 = perpx*perpx + perpy*perpy; 
         float pmom2 = momvtx.x()*momvtx.x() + momvtx.y()*momvtx.y(), momz2 = momvtx.z()*momvtx.z(), mom2 = pmom2 + momz2;
         float perpscale = sqrt(pmom2/mom2 / perp2), zscale = sqrt((1-pmom2/mom2));
         GlobalVector gdir(perpx*perpscale, perpy*perpscale, (momvtx.z() > 0 ? zscale : -zscale));
 
         if (!compatibleHit(hit, gdir)) {
             return false; // not yet
         }
     }
     return true; 
 }

bool PixelClusterShapeSeedComparitor::compatible	(	const SeedingHitSet &	hits,
		const GlobalTrajectoryParameters &	straightLineStateAtVertex,
		const TrackingRegion &	region
	)		const

overridevirtual

Implements SeedComparitor.

Definition at line 91 of file ClusterShapeSeedComparitor.cc.

 { 
     return true; 
 }

bool PixelClusterShapeSeedComparitor::compatibleHit	(	const TrackingRecHit &	hit,
		const GlobalVector &	direction
	)		const

private

Definition at line 138 of file ClusterShapeSeedComparitor.cc.

References edm::hlt::Exception, filterHandle_, filterPixelHits_, filterStripHits_, TrackingRecHit::geographicalId(), pixelClusterShapeCache_, and DetId::subdetId().

Referenced by compatible().

 {
     if (hit.geographicalId().subdetId() <= 2) {
         if (!filterPixelHits_) return true;    
         const SiPixelRecHit *pixhit = dynamic_cast<const SiPixelRecHit *>(&hit);
         if (pixhit == 0) throw cms::Exception("LogicError", "Found a valid hit on the pixel detector which is not a SiPixelRecHit\n");
         //printf("Cheching hi hit on detid %10d, local direction is x = %9.6f, y = %9.6f, z = %9.6f\n", hit.geographicalId().rawId(), direction.x(), direction.y(), direction.z());
         return filterHandle_->isCompatible(*pixhit, direction, *pixelClusterShapeCache_);
     } else {
         if (!filterStripHits_) return true;
         const std::type_info &tid = typeid(*&hit);
         if (tid == typeid(SiStripMatchedRecHit2D)) {
             const SiStripMatchedRecHit2D* matchedHit = dynamic_cast<const SiStripMatchedRecHit2D *>(&hit);
             assert(matchedHit != 0);
             return (filterHandle_->isCompatible(DetId(matchedHit->monoId()), matchedHit->monoCluster(), direction) &&
                     filterHandle_->isCompatible(DetId(matchedHit->stereoId()), matchedHit->stereoCluster(), direction));
         } else if (tid == typeid(SiStripRecHit2D)) {
             const SiStripRecHit2D* recHit = dynamic_cast<const SiStripRecHit2D *>(&hit);
             assert(recHit != 0);
             return filterHandle_->isCompatible(*recHit, direction);
         } else if (tid == typeid(ProjectedSiStripRecHit2D)) {
             const ProjectedSiStripRecHit2D* precHit = dynamic_cast<const ProjectedSiStripRecHit2D *>(&hit);
             assert(precHit != 0);
             return filterHandle_->isCompatible(precHit->originalHit(), direction);
         } else {
             //printf("Questo e' un %s, che ci fo?\n", tid.name());
             return true;
         }
     }
 }

void PixelClusterShapeSeedComparitor::init	(	const edm::Event &	ev,
		const edm::EventSetup &	es
	)

overridevirtual

Implements SeedComparitor.

Definition at line 71 of file ClusterShapeSeedComparitor.cc.

References filterHandle_, filterName_, filterPixelHits_, edm::EventSetup::get(), edm::Event::getByToken(), pixelClusterShapeCache_, pixelClusterShapeCacheToken_, and edm::Handle< T >::product().

                                                                                  {
     es.get<CkfComponentsRecord>().get(filterName_, filterHandle_);
     if(filterPixelHits_) {
       edm::Handle<SiPixelClusterShapeCache> hcache;
       ev.getByToken(pixelClusterShapeCacheToken_, hcache);
       pixelClusterShapeCache_ = hcache.product();
     }
 }