BeamHaloPairGenerator Class Reference

#include <BeamHaloPairGenerator.h>

Inheritance diagram for BeamHaloPairGenerator:

Public Member Functions
	BeamHaloPairGenerator (const edm::ParameterSet &conf, edm::ConsumesCollector &iC)
virtual const OrderedSeedingHits &	run (const TrackingRegion &region, const edm::Event &ev, const edm::EventSetup &es)
virtual	~BeamHaloPairGenerator ()
Public Member Functions inherited from OrderedHitsGenerator
virtual void	clear ()
	OrderedHitsGenerator ()
virtual	~OrderedHitsGenerator ()

Private Attributes
OrderedHitPairs	hitPairs
SeedingLayerSetsBuilder	theLayerBuilder
ctfseeding::SeedingLayerSets	theLss
double	theMaxTheta

Additional Inherited Members
Public Attributes inherited from OrderedHitsGenerator
unsigned int	theMaxElement

Detailed Description

Definition at line 15 of file BeamHaloPairGenerator.h.

Constructor & Destructor Documentation

BeamHaloPairGenerator::BeamHaloPairGenerator	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &	iC
	)

Definition at line 8 of file BeamHaloPairGenerator.cc.

References edm::ParameterSet::getParameter(), funct::sin(), and theMaxTheta.

                                                                                                 : 
  theLayerBuilder(conf.getParameter<edm::ParameterSet>("LayerPSet"), iC)
{
    edm::LogInfo("CtfSpecialSeedGenerator|BeamHaloPairGenerator") << "Constructing BeamHaloPairGenerator";
    theMaxTheta=conf.getParameter<double>("maxTheta");
    theMaxTheta=fabs(sin(theMaxTheta));
} 

virtual BeamHaloPairGenerator::~BeamHaloPairGenerator ( )

inlinevirtual

Definition at line 18 of file BeamHaloPairGenerator.h.

{};

Member Function Documentation

const OrderedSeedingHits & BeamHaloPairGenerator::run ( const TrackingRegion &  region, const edm::Event &  ev, const edm::EventSetup &  es  )

virtual

Implements OrderedHitsGenerator.

Definition at line 17 of file BeamHaloPairGenerator.cc.

References SeedingLayerSetsBuilder::check(), edm::hlt::Exception, hitPairs, TrackingRegion::hits(), SeedingLayerSetsBuilder::layers(), LogDebug, python.rootplot.utilities::ls(), funct::sin(), theLayerBuilder, theLss, theMaxTheta, and PV3DBase< T, PVType, FrameType >::theta().

                                                                    {
    hitPairs.clear();
        if(theLayerBuilder.check(es)) {
          theLss = theLayerBuilder.layers(es);
        }
    SeedingLayerSets::const_iterator iLss;
    for (iLss = theLss.begin(); iLss != theLss.end(); iLss++){
        SeedingLayers ls = *iLss;
        if (ls.size() != 2){
                    throw cms::Exception("CtfSpecialSeedGenerator") << "You are using " << ls.size() <<" layers in set instead of 2 ";
            }   
        std::vector<SeedingHit> innerHits  = region.hits(e, es, &ls[0]);
        std::vector<SeedingHit> outerHits  = region.hits(e, es, &ls[1]);
        std::vector<SeedingHit>::const_iterator iOuterHit;
        for (iOuterHit = outerHits.begin(); iOuterHit != outerHits.end(); iOuterHit++){
            std::vector<SeedingHit>::const_iterator iInnerHit;
            for (iInnerHit = innerHits.begin(); iInnerHit != innerHits.end(); iInnerHit++){
              //do something in there... if necessary
              const TransientTrackingRecHit::ConstRecHitPointer & crhpi = *iInnerHit;
              const TransientTrackingRecHit::ConstRecHitPointer & crhpo =  *iOuterHit;
              GlobalVector d=crhpo->globalPosition() - crhpi->globalPosition();
              double ABSsinDtheta = fabs(sin(d.theta()));
              LogDebug("BeamHaloPairGenerator")<<"position1: "<<crhpo->globalPosition()
                               <<" position2: "<<crhpi->globalPosition()
                               <<" |sin(Dtheta)|: "<< ABSsinDtheta <<((ABSsinDtheta>theMaxTheta)?" skip":" keep");

              if (ABSsinDtheta>theMaxTheta) {;continue;}

              hitPairs.push_back(OrderedHitPair(*iInnerHit,
                                *iOuterHit));
            }
        }
        }
    return hitPairs;
}

Member Data Documentation

OrderedHitPairs BeamHaloPairGenerator::hitPairs

private

Definition at line 25 of file BeamHaloPairGenerator.h.

Referenced by run().

SeedingLayerSetsBuilder BeamHaloPairGenerator::theLayerBuilder

private

Definition at line 23 of file BeamHaloPairGenerator.h.

Referenced by run().

ctfseeding::SeedingLayerSets BeamHaloPairGenerator::theLss

private

Definition at line 24 of file BeamHaloPairGenerator.h.

Referenced by run().

double BeamHaloPairGenerator::theMaxTheta

private

Definition at line 26 of file BeamHaloPairGenerator.h.

Referenced by BeamHaloPairGenerator(), and run().