BeamSpotProducer Class Reference

#include <BeamSpotProducer.h>

Inheritance diagram for BeamSpotProducer:

Public Types
typedef std::vector < edm::ParameterSet >	Parameters
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Member Functions
	BeamSpotProducer (const edm::ParameterSet &iConf)
	constructor More...
virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)
	produce a beam spot class More...
	~BeamSpotProducer ()
	destructor More...
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

Additional Inherited Members
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

---

class: BeamSpotProducer.h package: RecoVertex/BeamSpotProducer

author: Francisco Yumiceva, Fermilab (yumic.nosp@m.eva@.nosp@m.fnal..nosp@m.gov)

version

Id:

BeamSpotProducer.h,v 1.1 2007/05/09 20:35:49 yumiceva Exp

---

Definition at line 23 of file BeamSpotProducer.h.

Member Typedef Documentation

typedef std::vector<edm::ParameterSet> BeamSpotProducer::Parameters

Definition at line 26 of file BeamSpotProducer.h.

Constructor & Destructor Documentation

BeamSpotProducer::BeamSpotProducer ( const edm::ParameterSet &  iConf )

explicit

constructor

Definition at line 19 of file BeamSpotProducer.cc.

                                                               {
    
    edm::LogInfo("RecoVertex/BeamSpotProducer") 
        << "Initializing Beam Spot producer " << "\n";
  
    //fVerbose=conf.getUntrackedParameter<bool>("verbose", false);
    
    produces<reco::BeamSpot>();

}

BeamSpotProducer::~BeamSpotProducer

(

)

destructor

Definition at line 31 of file BeamSpotProducer.cc.

{}

Member Function Documentation

void BeamSpotProducer::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

virtual

produce a beam spot class

Implements edm::EDProducer.

Definition at line 39 of file BeamSpotProducer.cc.

References align::BeamSpot, edm::EventSetup::get(), i, edm::EventBase::id(), j, makeMuonMisalignmentScenario::matrix, edm::Event::put(), and query::result.

                                                                       {
    
    using namespace edm;

    std::auto_ptr<reco::BeamSpot> result(new reco::BeamSpot);

    reco::BeamSpot aSpot;

    
    //typedef math::XYZPoint Point;
    //enum { dimension = 7 };
    //typedef math::Error<dimension>::type CovarianceMatrix;

    
    //try {
    edm::LogInfo("RecoVertex/BeamSpotProducer") 
      << "Reconstructing event number: " << iEvent.id() << "\n";

    edm::ESHandle< BeamSpotObjects > beamhandle;
    iSetup.get<BeamSpotObjectsRcd>().get(beamhandle);
    const BeamSpotObjects *spotDB = beamhandle.product();

    // translate from BeamSpotObjects to reco::BeamSpot
    reco::BeamSpot::Point apoint( spotDB->GetX(), spotDB->GetY(), spotDB->GetZ() );
        
    reco::BeamSpot::CovarianceMatrix matrix;
    for ( int i=0; i<7; ++i ) {
      for ( int j=0; j<7; ++j ) {
        matrix(i,j) = spotDB->GetCovariance(i,j);
      }
    }
    
    // this assume beam width same in x and y
    aSpot = reco::BeamSpot( apoint,
                spotDB->GetSigmaZ(),
                spotDB->Getdxdz(),
                spotDB->Getdydz(),
                spotDB->GetBeamWidthX(),
                matrix );
    aSpot.setBeamWidthY( spotDB->GetBeamWidthY() );
    aSpot.setEmittanceX( spotDB->GetEmittanceX() );
    aSpot.setEmittanceY( spotDB->GetEmittanceY() );
    aSpot.setbetaStar( spotDB->GetBetaStar() );
        
    //}
    //
    //catch (std::exception & err) {
    //  edm::LogInfo("RecoVertex/BeamSpotProducer") 
    //      << "Exception during event number: " << iEvent.id() 
    //      << "\n" << err.what() << "\n";
    //}

    *result = aSpot;
    
    iEvent.put(result);
    
}