#include <FourMuonTool.h>

Inheritance diagram for DerivationFramework::FourMuonTool:

Collaboration diagram for DerivationFramework::FourMuonTool:

Public Member Functions
	FourMuonTool (const std::string &t, const std::string &n, const IInterface *p)

	~FourMuonTool ()

StatusCode	initialize ()

StatusCode	performSearch (xAOD::VertexContainer &pairVxContainer, xAOD::VertexAuxContainer &pairVxAuxContainer, xAOD::VertexContainer &quadVxContainer, xAOD::VertexAuxContainer &quadVxAuxContainer, bool &acceptEvent) const

xAOD::Vertex *	fit (const std::vector< const xAOD::TrackParticle * > &, const xAOD::TrackParticleContainer *importedTrackCollection, const Amg::Vector3D &beamSpot) const

ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`. More...

const ServiceHandle< StoreGateSvc > &	evtStore () const
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`. More...

const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard `StoreGateSvc/DetectorStore` Returns (kind of) a pointer to the `StoreGateSvc`. More...

virtual StatusCode	sysInitialize () override
	Perform system initialization for an algorithm. More...

virtual StatusCode	sysStart () override
	Handle START transition. More...

virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles. More...

virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles. More...

Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T > &t)

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleKey &hndl, const std::string &doc, const SG::VarHandleKeyType &)
	Declare a new Gaudi property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleBase &hndl, const std::string &doc, const SG::VarHandleType &)
	Declare a new Gaudi property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleKeyArray &hndArr, const std::string &doc, const SG::VarHandleKeyArrayType &)

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, T &property, const std::string &doc, const SG::NotHandleType &)
	Declare a new Gaudi property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, T &property, const std::string &doc="none")
	Declare a new Gaudi property. More...

void	updateVHKA (Gaudi::Details::PropertyBase &)

MsgStream &	msg () const

MsgStream &	msg (const MSG::Level lvl) const

bool	msgLvl (const MSG::Level lvl) const

Static Public Member Functions
static std::vector< std::vector< unsigned int > >	getQuadIndices (unsigned int length)

static std::vector< std::pair< unsigned int, unsigned int > >	getPairIndices (unsigned int length)

static std::vector< std::vector< unsigned int > >	mFromN (unsigned int m, unsigned int n)

static void	combinatorics (unsigned int offset, unsigned int k, std::vector< unsigned int > &combination, std::vector< unsigned int > &mainList, std::vector< std::vector< unsigned int > > &allCombinations)

static void	buildCombinations (const std::vector< const xAOD::Muon * > &muonsIn, std::vector< Combination > &pairs, std::vector< Combination > &quadruplets, unsigned int nSelectedMuons)

static bool	passesQuadSelection (const std::vector< const xAOD::Muon * > &muonsIn)

Protected Member Functions
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution More...

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)

void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed. More...

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey> More...

Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleKeyArrayType &)
	specialization for handling Gaudi::Property<SG::VarHandleKeyArray> More...

Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleType &)
	specialization for handling Gaudi::Property<SG::VarHandleBase> More...

Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &t, const SG::NotHandleType &)
	specialization for handling everything that's not a Gaudi::Property<SG::VarHandleKey> or a <SG::VarHandleKeyArray> More...

Private Attributes
double	m_ptCut

double	m_etaCut

bool	m_useV0Fitter

SG::ReadHandleKey< xAOD::MuonContainer >	m_muonCollectionKey

SG::ReadHandleKey< xAOD::TrackParticleContainer >	m_TrkParticleCollection

ToolHandle< Trk::IVertexFitter >	m_iVertexFitter

ToolHandle< Trk::IVertexFitter >	m_iV0VertexFitter

ToolHandle< Trk::ITrackSelectorTool >	m_trkSelector

SG::ReadHandleKey< xAOD::EventInfo >	m_eventInfo_key {this, "EventInfo", "EventInfo", "Input event information"}

SG::WriteDecorHandleKey< xAOD::MuonContainer >	m_muonIndex {this, "muonIndexDec", "Muons.BPHY4MuonIndex"}

StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default) More...

StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default) More...

std::vector< SG::VarHandleKeyArray * >	m_vhka

bool	m_varHandleArraysDeclared

Detailed Description

Definition at line 132 of file FourMuonTool.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< AlgTool > >::StoreGateSvc_t

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ FourMuonTool()

DerivationFramework::FourMuonTool::FourMuonTool	(	const std::string &	t,
		const std::string &	n,
		const IInterface *	p
	)

Definition at line 65 of file FourMuonTool.cxx.

                                                                                            : AthAlgTool(t,n,p),
     m_ptCut(0.0),
     m_etaCut(0.0),
     m_useV0Fitter(false),
     m_muonCollectionKey("Muons"),
     m_TrkParticleCollection("TrackParticleCandidate"),
     m_iVertexFitter("Trk::TrkVKalVrtFitter"),
     m_iV0VertexFitter("Trk::V0VertexFitter"),
     m_trkSelector("InDet::TrackSelectorTool")
     {
         declareProperty("ptCut",m_ptCut);
         declareProperty("etaCut",m_etaCut);
         declareProperty("useV0Fitter",m_useV0Fitter);
         declareProperty("muonCollectionKey",m_muonCollectionKey);
         declareProperty("TrackParticleCollection",m_TrkParticleCollection);
         declareProperty("TrkVertexFitterTool",m_iVertexFitter);
         declareProperty("V0VertexFitterTool",m_iV0VertexFitter);
         declareProperty("TrackSelectorTool",m_trkSelector);
     }

◆ ~FourMuonTool()

DerivationFramework::FourMuonTool::~FourMuonTool ( )

Definition at line 85 of file FourMuonTool.cxx.

85 { }

Member Function Documentation

◆ buildCombinations()

void DerivationFramework::FourMuonTool::buildCombinations	(	const std::vector< const xAOD::Muon * > &	muonsIn,
		std::vector< Combination > &	pairs,
		std::vector< Combination > &	quadruplets,
		unsigned int	nSelectedMuons
	)

static

Definition at line 356 of file FourMuonTool.cxx.

                                                                       {
         
         std::vector<std::vector<unsigned int> > quadrupletIndices = getQuadIndices(nSelectedMuons);
         std::vector<std::pair<unsigned int, unsigned int> > pairIndices = getPairIndices(nSelectedMuons);
         
         // Quadruplets
         std::vector<std::vector<unsigned int> >::iterator quadItr;
         for (quadItr=quadrupletIndices.begin(); quadItr!=quadrupletIndices.end(); ++quadItr) {
             const std::vector<unsigned int> &quad = (*quadItr);
             std::vector<const xAOD::Muon*> theMuons = {muonsIn[quad[0]],muonsIn[quad[1]],muonsIn[quad[2]],muonsIn[quad[3]]};
             if (!passesQuadSelection(theMuons)) continue;
             Combination tmpQuad;
             tmpQuad.muons = std::move(theMuons);
             tmpQuad.quadIndices = quad;
             quadruplets.emplace_back(std::move(tmpQuad));
         }
         if (quadruplets.size() == 0) return;
         
         // pairs
         std::vector<std::pair<unsigned int, unsigned int> >::iterator pairItr;
         for (pairItr=pairIndices.begin(); pairItr!=pairIndices.end(); ++pairItr) {
             std::pair<unsigned int, unsigned int> pair = (*pairItr);
             Combination tmpPair;
             std::vector<const xAOD::Muon*> theMuons = {muonsIn[pair.first],muonsIn[pair.second]};
             tmpPair.muons = std::move(theMuons);
             tmpPair.pairIndices = pair;
             pairs.emplace_back(std::move(tmpPair));
         }
         
         return;
         
     }

◆ combinatorics()

void DerivationFramework::FourMuonTool::combinatorics	(	unsigned int	offset,
		unsigned int	k,
		std::vector< unsigned int > &	combination,
		std::vector< unsigned int > &	mainList,
		std::vector< std::vector< unsigned int > > &	allCombinations
	)

static

Definition at line 314 of file FourMuonTool.cxx.

                                                                              {
         if (k==0) {
             allCombinations.push_back(combination);
             return;
         }
         if (k>0) {
             for (unsigned int i=offset; i<=mainList.size()-k; ++i) {
                 combination.push_back(mainList[i]);
                 combinatorics(i+1,k-1,combination,mainList,allCombinations);
                 combination.pop_back();
             }
         }
     }

◆ declareGaudiProperty() [1/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< AlgTool > >::declareGaudiProperty	(	Gaudi::Property< T > &	hndl,
		const SG::VarHandleKeyArrayType &
	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKeyArray>

Definition at line 170 of file AthCommonDataStore.h.

   {
     return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                        hndl.value(), 
                                                        hndl.documentation());
  
   }

◆ declareGaudiProperty() [2/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< AlgTool > >::declareGaudiProperty	(	Gaudi::Property< T > &	hndl,
		const SG::VarHandleKeyType &
	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

   {
     return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                        hndl.value(), 
                                                        hndl.documentation());
  
   }

◆ declareGaudiProperty() [3/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< AlgTool > >::declareGaudiProperty	(	Gaudi::Property< T > &	hndl,
		const SG::VarHandleType &
	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleBase>

Definition at line 184 of file AthCommonDataStore.h.

   {
     return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                        hndl.value(), 
                                                        hndl.documentation());
   }

◆ declareGaudiProperty() [4/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< AlgTool > >::declareGaudiProperty	(	Gaudi::Property< T > &	t,
		const SG::NotHandleType &
	)

inlineprivateinherited

specialization for handling everything that's not a Gaudi::Property<SG::VarHandleKey> or a <SG::VarHandleKeyArray>

Definition at line 199 of file AthCommonDataStore.h.

   {
     return PBASE::declareProperty(t);
   }

◆ declareProperty() [1/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty	(	const std::string &	name,
		SG::VarHandleBase &	hndl,
		const std::string &	doc,
		const SG::VarHandleType &
	)

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
hndl	Object holding the property value.
doc	Documentation string for the property.

This is the version for types that derive from SG::VarHandleBase. The property value object is put on the input and output lists as appropriate; then we forward to the base class.

Definition at line 245 of file AthCommonDataStore.h.

   {
     this->declare(hndl.vhKey());
     hndl.vhKey().setOwner(this);
  
     return PBASE::declareProperty(name,hndl,doc);
   }

◆ declareProperty() [2/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty	(	const std::string &	name,
		SG::VarHandleKey &	hndl,
		const std::string &	doc,
		const SG::VarHandleKeyType &
	)

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
hndl	Object holding the property value.
doc	Documentation string for the property.

This is the version for types that derive from SG::VarHandleKey. The property value object is put on the input and output lists as appropriate; then we forward to the base class.

Definition at line 221 of file AthCommonDataStore.h.

   {
     this->declare(hndl);
     hndl.setOwner(this);
  
     return PBASE::declareProperty(name,hndl,doc);
   }

◆ declareProperty() [3/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty	(	const std::string &	name,
		SG::VarHandleKeyArray &	hndArr,
		const std::string &	doc,
		const SG::VarHandleKeyArrayType &
	)

inlineinherited

Definition at line 259 of file AthCommonDataStore.h.

   {
  
     // std::ostringstream ost;
     // ost << Algorithm::name() << " VHKA declareProp: " << name 
     //     << " size: " << hndArr.keys().size() 
     //     << " mode: " << hndArr.mode() 
     //     << "  vhka size: " << m_vhka.size()
     //     << "\n";
     // debug() << ost.str() << endmsg;
  
     hndArr.setOwner(this);
     m_vhka.push_back(&hndArr);
  
     Gaudi::Details::PropertyBase* p =  PBASE::declareProperty(name, hndArr, doc);
     if (p != 0) {
       p->declareUpdateHandler(&AthCommonDataStore<PBASE>::updateVHKA, this);
     } else {
       ATH_MSG_ERROR("unable to call declareProperty on VarHandleKeyArray " 
                     << name);
     }
  
     return p;
  
   }

◆ declareProperty() [4/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty	(	const std::string &	name,
		T &	property,
		const std::string &	doc,
		const SG::NotHandleType &
	)

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
property	Object holding the property value.
doc	Documentation string for the property.

This is the generic version, for types that do not derive from SG::VarHandleKey. It just forwards to the base class version of declareProperty.

Definition at line 333 of file AthCommonDataStore.h.

   {
     return PBASE::declareProperty(name, property, doc);
   }

◆ declareProperty() [5/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty	(	const std::string &	name,
		T &	property,
		const std::string &	doc = `"none"`
	)

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
property	Object holding the property value.
doc	Documentation string for the property.

This dispatches to either the generic declareProperty or the one for VarHandle/Key/KeyArray.

Definition at line 352 of file AthCommonDataStore.h.

   {
     typedef typename SG::HandleClassifier<T>::type htype;
     return declareProperty (name, property, doc, htype());
   }

◆ declareProperty() [6/6]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty ( Gaudi::Property< T > & t )

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

                                                                  {
     typedef typename SG::HandleClassifier<T>::type htype;
     return AthCommonDataStore<PBASE>::declareGaudiProperty(t, htype());
   }

◆ detStore()

const ServiceHandle<StoreGateSvc>& AthCommonDataStore< AthCommonMsg< AlgTool > >::detStore ( ) const

inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

95 { return m_detStore; }

◆ evtStore() [1/2]

ServiceHandle<StoreGateSvc>& AthCommonDataStore< AthCommonMsg< AlgTool > >::evtStore ( )

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

85 { return m_evtStore; }

◆ evtStore() [2/2]

const ServiceHandle<StoreGateSvc>& AthCommonDataStore< AthCommonMsg< AlgTool > >::evtStore ( ) const

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 90 of file AthCommonDataStore.h.

90 { return m_evtStore; }

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps )

protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ fit()

xAOD::Vertex * DerivationFramework::FourMuonTool::fit	(	const std::vector< const xAOD::TrackParticle * > &	inputTracks,
		const xAOD::TrackParticleContainer *	importedTrackCollection,
		const Amg::Vector3D &	beamSpot
	)		const

Definition at line 258 of file FourMuonTool.cxx.

                                                                        {
         
         const Trk::TrkV0VertexFitter* concreteVertexFitter=0;
         if (m_useV0Fitter) {
             // making a concrete fitter for the V0Fitter
             concreteVertexFitter = dynamic_cast<const Trk::TrkV0VertexFitter * >(&(*m_iV0VertexFitter));
             if(concreteVertexFitter == 0) {
                 ATH_MSG_FATAL("The vertex fitter passed is not a V0 Vertex Fitter");
                 return NULL;
             }
         }
  
         xAOD::Vertex* myVxCandidate = nullptr;
         if (m_useV0Fitter) {
             myVxCandidate = concreteVertexFitter->fit(inputTracks, beamSpot /*vertex startingPoint*/ );
         } else {
             myVxCandidate = m_iVertexFitter->fit(inputTracks, beamSpot /*vertex startingPoint*/ );
         }
         
         if(myVxCandidate) BPhysPVTools::PrepareVertexLinks(myVxCandidate, importedTrackCollection);
         
         return myVxCandidate;
         
     } // End of fit method

◆ getPairIndices()

std::vector< std::pair< unsigned int, unsigned int > > DerivationFramework::FourMuonTool::getPairIndices ( unsigned int length )

static

Definition at line 336 of file FourMuonTool.cxx.

                                                                                                    {
         
         std::vector<std::pair<unsigned int, unsigned int> > uniquePairs;
         std::vector<std::vector<unsigned int> > doublets = mFromN(2,length);
         for (std::vector<std::vector<unsigned int> >::iterator it=doublets.begin(); it!=doublets.end(); ++it) {     
                 std::pair<unsigned int, unsigned int> tmpPair = std::make_pair((*it).at(0),(*it).at(1));
                 uniquePairs.push_back(tmpPair);
         }
         
         return(uniquePairs);
     }

◆ getQuadIndices()

std::vector< std::vector< unsigned int > > DerivationFramework::FourMuonTool::getQuadIndices ( unsigned int length )

static

Definition at line 292 of file FourMuonTool.cxx.

                                                                                         {
         
         std::vector<std::vector<unsigned int> > quadIndices = mFromN(4,length);
         return(quadIndices);
     }

◆ initialize()

StatusCode DerivationFramework::FourMuonTool::initialize ( )

Definition at line 32 of file FourMuonTool.cxx.

                                         {
         
         // retrieving vertex Fitter
         if ( m_iVertexFitter.retrieve().isFailure() ) {
             ATH_MSG_FATAL("Failed to retrieve tool " << m_iVertexFitter);
             return StatusCode::FAILURE;
         } else {
             ATH_MSG_DEBUG("Retrieved tool " << m_iVertexFitter);
         }
         
         // retrieving V0 Fitter
         ATH_CHECK( m_iV0VertexFitter.retrieve(DisableTool{!m_useV0Fitter}));
  
         // Get the track selector tool from ToolSvc
         if ( m_trkSelector.retrieve().isFailure() ) {
             ATH_MSG_FATAL("Failed to retrieve tool " << m_trkSelector);
             return StatusCode::FAILURE;
         } else {
             ATH_MSG_DEBUG("Retrieved tool " << m_trkSelector);
         }
  
         // Get the beam spot service
         CHECK( m_eventInfo_key.initialize() );
         ATH_CHECK(m_muonCollectionKey.initialize());
         ATH_CHECK(m_TrkParticleCollection.initialize());
         m_muonIndex = m_muonCollectionKey.key() + ".BPHY4MuonIndex";
         ATH_CHECK(m_muonIndex.initialize());
         ATH_MSG_DEBUG("Initialize successful");
         
         return StatusCode::SUCCESS;
         
     }

◆ inputHandles()

virtual std::vector<Gaudi::DataHandle*> AthCommonDataStore< AthCommonMsg< AlgTool > >::inputHandles ( ) const

overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ mFromN()

std::vector< std::vector< unsigned int > > DerivationFramework::FourMuonTool::mFromN	(	unsigned int	m,
		unsigned int	n
	)

static

Definition at line 304 of file FourMuonTool.cxx.

                                                                                            {
         
         std::vector<std::vector<unsigned int> > allCombinations;
         std::vector<unsigned int> mainList;
         std::vector<unsigned int> combination;
         for (unsigned int i=0; i<N; ++i) mainList.push_back(i);
         combinatorics(0,m,combination,mainList,allCombinations);
         return allCombinations;
     }

◆ msg() [1/2]

MsgStream& AthCommonMsg< AlgTool >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                 {
     return this->msgStream();
   }

◆ msg() [2/2]

MsgStream& AthCommonMsg< AlgTool >::msg ( const MSG::Level lvl ) const

inlineinherited

Definition at line 27 of file AthCommonMsg.h.

                                                   {
     return this->msgStream(lvl);
   }

◆ msgLvl()

bool AthCommonMsg< AlgTool >::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                                {
     return this->msgLevel(lvl);
   }

◆ outputHandles()

virtual std::vector<Gaudi::DataHandle*> AthCommonDataStore< AthCommonMsg< AlgTool > >::outputHandles ( ) const

overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ passesQuadSelection()

bool DerivationFramework::FourMuonTool::passesQuadSelection ( const std::vector< const xAOD::Muon * > & muonsIn )

static

Definition at line 398 of file FourMuonTool.cxx.

                                                                                   {
         bool accept(false);
         bool charges(true);
         bool quality(false);
         //unsigned int sumCharges = abs(mu0->charge() + mu1->charge() + mu2->charge() + mu3->charge());
         //if (sumCharges<4) charges = true;
         if ((  muons.at(0)->muonType() == xAOD::Muon::Combined ) ||
             (  muons.at(1)->muonType() == xAOD::Muon::Combined ) ||
             (  muons.at(2)->muonType() == xAOD::Muon::Combined ) ||
             (  muons.at(3)->muonType() == xAOD::Muon::Combined )
             ) quality = true;
         if (charges && quality) accept = true;
         return accept;
     }

◆ performSearch()

StatusCode DerivationFramework::FourMuonTool::performSearch	(	xAOD::VertexContainer *&	pairVxContainer,
		xAOD::VertexAuxContainer *&	pairVxAuxContainer,
		xAOD::VertexContainer *&	quadVxContainer,
		xAOD::VertexAuxContainer *&	quadVxAuxContainer,
		bool &	acceptEvent
	)		const

Definition at line 90 of file FourMuonTool.cxx.

     {
         ATH_MSG_DEBUG( "FourMuonTool::performSearch" );
     selectEvent = false;    
  
         // pairs
         pairVxContainer = new xAOD::VertexContainer;
         pairVxAuxContainer = new xAOD::VertexAuxContainer;
         pairVxContainer->setStore(pairVxAuxContainer);
         // quads
         quadVxContainer = new xAOD::VertexContainer;
         quadVxAuxContainer = new xAOD::VertexAuxContainer;
         quadVxContainer->setStore(quadVxAuxContainer);
         
         
         // Get the muons from StoreGate
         SG::ReadHandle<xAOD::MuonContainer> importedMuonCollection(m_muonCollectionKey);
         ATH_CHECK(importedMuonCollection.isValid());
         ATH_MSG_DEBUG("Muon container size "<<importedMuonCollection->size());
         
         // Get ID tracks
         SG::ReadHandle<xAOD::TrackParticleContainer> importedTrackCollection(m_TrkParticleCollection);
         ATH_CHECK(importedTrackCollection.isValid());
         ATH_MSG_DEBUG("ID TrackParticle container size "<< importedTrackCollection->size());
         
         // Select the muons
         std::vector<const xAOD::Muon*>  theMuonsAfterSelection;
         SG::WriteDecorHandle<xAOD::MuonContainer, int> muonDecorator(m_muonIndex);
         unsigned int nCombMuons = 0;
         unsigned int nSegmentTaggedMuons = 0;
  
         for (auto muItr=importedMuonCollection->begin(); muItr!=importedMuonCollection->end(); ++muItr) {
             if ( *muItr == NULL ) continue;
             muonDecorator(**muItr) = -1; // all muons must be decorated
             if (  ((*muItr)->muonType() != xAOD::Muon::Combined ) && ((*muItr)->muonType() != xAOD::Muon::SegmentTagged ) ) continue;
             if (!(*muItr)->inDetTrackParticleLink().isValid()) continue; // No muons without ID tracks
             auto& link = (*muItr)->inDetTrackParticleLink();
             const xAOD::TrackParticle* muonTrk = *link;
             if ( muonTrk==NULL) continue;
             const xAOD::Vertex* vx = nullptr;
             if ( !m_trkSelector->decision(*muonTrk, vx) ) continue; // all ID tracks must pass basic tracking cuts
             if ( fabs(muonTrk->pt())<m_ptCut ) continue; //  pt cut
             if ( fabs(muonTrk->eta())>m_etaCut ) continue; //  eta cut
             if ( (*muItr)->muonType() == xAOD::Muon::Combined ) ++nCombMuons;
             if ( (*muItr)->muonType() == xAOD::Muon::SegmentTagged ) ++nSegmentTaggedMuons;
             theMuonsAfterSelection.push_back(*muItr);
         }
         unsigned int nSelectedMuons = theMuonsAfterSelection.size();
         ATH_MSG_DEBUG("Number of muons after selection: " << nSelectedMuons);
         ATH_MSG_DEBUG("of which " << nCombMuons << " are combined");
         ATH_MSG_DEBUG("and " << nSegmentTaggedMuons << " are segment tagged");
         if ( (nSelectedMuons < 4) || (nCombMuons < 1) ) {
             ATH_MSG_DEBUG("Muon criteria not met. Skipping event.");
             return StatusCode::SUCCESS;
         }
         selectEvent = true; // if we got this far we should definitively accept the event 
   
         // Decorators
         SG::AuxElement::Decorator< std::string > indexDecorator("CombinationCode");
         SG::AuxElement::Decorator< std::string > chargeDecorator("ChargeCode");
         //SG::AuxElement::Decorator< double > acdcDecorator("ACminusDC");
         //SG::AuxElement::Decorator< double > ssdcDecorator("SSminusDC");
  
         // Order by pT
         std::sort(theMuonsAfterSelection.begin(), theMuonsAfterSelection.end(), [](const xAOD::Muon *a, const xAOD::Muon *b) {
             return b->pt() < a->pt();
         });
  
         // Decorate the selected muons (now pT ordered) with their index
     unsigned int muonIndex(0);
     for (auto selMuon : theMuonsAfterSelection) {
         muonDecorator(*selMuon) = muonIndex;
             ++muonIndex;            
     }
  
         // Quadruplet combinatorics
         std::vector<Combination> quadruplets;
         std::vector<Combination> pairs;
         buildCombinations(theMuonsAfterSelection,pairs,quadruplets,nSelectedMuons);
         if (quadruplets.size()==0) {
             ATH_MSG_DEBUG("No acceptable quadruplets");
             return StatusCode::SUCCESS;
         }
        
         // Get the beam spot (for the vertexing starting point)
         SG::ReadHandle<xAOD::EventInfo> evt(m_eventInfo_key);
         if(not evt.isValid()) ATH_MSG_ERROR("Cannot Retrieve " << evt.key() );
         const Amg::Vector3D beamSpot(evt->beamPosX(), evt->beamPosY(), evt->beamPosZ());
  
         // fit pairs
         ATH_MSG_DEBUG("Successful pairs.....");
         for (std::vector<Combination>::iterator pairItr = pairs.begin(); pairItr!=pairs.end(); ++pairItr) {
             std::vector<const xAOD::TrackParticle*> theTracks = (*pairItr).trackParticles("pair1");
             xAOD::Vertex* pairVxCandidate = fit(theTracks,importedTrackCollection.get(),beamSpot); // This line actually does the fitting and object making
             if (pairVxCandidate != 0) {
                 // decorate the candidate with its codes
                 indexDecorator(*pairVxCandidate) = (*pairItr).combinationIndices();
                 chargeDecorator(*pairVxCandidate) = (*pairItr).combinationCharges();
                 // decorate the candidate with refitted tracks and muons via the BPhysHelper
                 xAOD::BPhysHelper helper(pairVxCandidate);
                 helper.setRefTrks();
                 std::vector<const xAOD::Muon*> theStoredMuons;
                 theStoredMuons = (*pairItr).muons;
                 helper.setMuons(theStoredMuons,importedMuonCollection.get());
                 // Retain the vertex
                 pairVxContainer->push_back(pairVxCandidate);
                 ATH_MSG_DEBUG("..... indices: " << (*pairItr).combinationIndices() <<
                               " charges: " << (*pairItr).combinationCharges() <<
                               " chi2:    " << pairVxCandidate->chiSquared());
             } else { // fit failed
                 ATH_MSG_DEBUG("Fitter failed!");
             }
         }
         ATH_MSG_DEBUG("pairContainer size " << pairVxContainer->size());
         
         // fit quadruplets
         ATH_MSG_DEBUG("Successful quadruplets.....");
         for (std::vector<Combination>::iterator quadItr = quadruplets.begin(); quadItr!=quadruplets.end(); ++quadItr) {
             std::vector<const xAOD::TrackParticle*> theDCTracks; theDCTracks.clear();
             //std::vector<const xAOD::TrackParticle*> theACTracks; theACTracks.clear();
             //std::vector<const xAOD::TrackParticle*> theSSTracks; theSSTracks.clear();
             theDCTracks = (*quadItr).trackParticles("DC");
             //theACTracks = (*quadItr).trackParticles("AC");
             //theSSTracks = (*quadItr).trackParticles("SS");
             xAOD::Vertex* dcVxCandidate = fit(theDCTracks,importedTrackCollection.get(), beamSpot);
             //xAOD::Vertex* acVxCandidate = fit(theACTracks,importedTrackCollection, beamSpot);
             //xAOD::Vertex* ssVxCandidate = fit(theSSTracks,importedTrackCollection, beamSpot);
             // Get the chi2 for each one
             //double acChi2(0.0);
             //double ssChi2(0.0);
             //if (acVxCandidate != 0) {acChi2 = acVxCandidate->chiSquared();}
             //if (ssVxCandidate != 0) {ssChi2 = ssVxCandidate->chiSquared();}
             if (dcVxCandidate != 0) {
                 // decorate the candidate with its codes
                 indexDecorator(*dcVxCandidate) = (*quadItr).combinationIndices();
                 chargeDecorator(*dcVxCandidate) = (*quadItr).combinationCharges();
                 // Decorate the DC candidate with the differences between its chi2 and the other
                 double dcChi2 = dcVxCandidate->chiSquared();
                 //acdcDecorator(*dcVxCandidate) = acChi2 - dcChi2;
                 //ssdcDecorator(*dcVxCandidate) = ssChi2 - dcChi2;
                 // decorate the candidate with refitted tracks and muons via the BPhysHelper
                 xAOD::BPhysHelper helper(dcVxCandidate);
                 helper.setRefTrks();
                 const std::vector<const xAOD::Muon*> &theStoredMuons = (*quadItr).muons;
                 helper.setMuons(theStoredMuons,importedMuonCollection.get());
                 // Retain the vertex
                 quadVxContainer->push_back(dcVxCandidate);
                 ATH_MSG_DEBUG("..... indices: " << (*quadItr).combinationIndices() <<
                               " charges: " << (*quadItr).combinationCharges() <<
                               " chi2(DC): " << dcChi2);
                               //" chi2(AC): " << acChi2 <<
                               //" chi2(SS): " << ssChi2);
             } else { // fit failed
                 ATH_MSG_DEBUG("Fitter failed!");
             }
         }
         ATH_MSG_DEBUG("quadruplet container size " << quadVxContainer->size());
         
         return StatusCode::SUCCESS;;
     }

◆ renounce()

std::enable_if_t<std::is_void_v<std::result_of_t<decltype(&T::renounce)(T)> > && !std::is_base_of_v<SG::VarHandleKeyArray, T> && std::is_base_of_v<Gaudi::DataHandle, T>, void> AthCommonDataStore< AthCommonMsg< AlgTool > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

   {
     h.renounce();
     PBASE::renounce (h);
   }

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::renounceArray ( SG::VarHandleKeyArray & handlesArray )

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                           {
     handlesArray.renounce();
   }

◆ sysInitialize()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::sysInitialize ( )

overridevirtualinherited

Perform system initialization for an algorithm.

We override this to declare all the elements of handle key arrays at the end of initialization. See comments on updateVHKA.

Reimplemented in DerivationFramework::CfAthAlgTool, AthCheckedComponent< AthAlgTool >, AthCheckedComponent<::AthAlgTool >, and asg::AsgMetadataTool.

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::sysStart ( )

overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::updateVHKA ( Gaudi::Details::PropertyBase & )

inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

                                                {
     // debug() << "updateVHKA for property " << p.name() << " " << p.toString() 
     //         << "  size: " << m_vhka.size() << endmsg;
     for (auto &a : m_vhka) {
       std::vector<SG::VarHandleKey*> keys = a->keys();
       for (auto k : keys) {
         k->setOwner(this);
       }
     }
   }

Member Data Documentation

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_etaCut

double DerivationFramework::FourMuonTool::m_etaCut

private

Definition at line 161 of file FourMuonTool.h.

◆ m_eventInfo_key

SG::ReadHandleKey<xAOD::EventInfo> DerivationFramework::FourMuonTool::m_eventInfo_key {this, "EventInfo", "EventInfo", "Input event information"}

private

Definition at line 168 of file FourMuonTool.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_iV0VertexFitter

ToolHandle< Trk::IVertexFitter > DerivationFramework::FourMuonTool::m_iV0VertexFitter

private

Definition at line 166 of file FourMuonTool.h.

◆ m_iVertexFitter

ToolHandle< Trk::IVertexFitter > DerivationFramework::FourMuonTool::m_iVertexFitter

private

Definition at line 165 of file FourMuonTool.h.

◆ m_muonCollectionKey

SG::ReadHandleKey<xAOD::MuonContainer> DerivationFramework::FourMuonTool::m_muonCollectionKey

private

Definition at line 163 of file FourMuonTool.h.

◆ m_muonIndex

SG::WriteDecorHandleKey<xAOD::MuonContainer> DerivationFramework::FourMuonTool::m_muonIndex {this, "muonIndexDec", "Muons.BPHY4MuonIndex"}

private

Definition at line 169 of file FourMuonTool.h.

◆ m_ptCut

double DerivationFramework::FourMuonTool::m_ptCut

private

Definition at line 160 of file FourMuonTool.h.

◆ m_TrkParticleCollection

SG::ReadHandleKey<xAOD::TrackParticleContainer> DerivationFramework::FourMuonTool::m_TrkParticleCollection

private

Definition at line 164 of file FourMuonTool.h.

◆ m_trkSelector

ToolHandle< Trk::ITrackSelectorTool > DerivationFramework::FourMuonTool::m_trkSelector

private

Definition at line 167 of file FourMuonTool.h.

◆ m_useV0Fitter

bool DerivationFramework::FourMuonTool::m_useV0Fitter

private

Definition at line 162 of file FourMuonTool.h.

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< AlgTool > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< AlgTool > >::m_vhka

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Constructor & Destructor Documentation

◆ FourMuonTool()

◆ ~FourMuonTool()

Member Function Documentation

◆ buildCombinations()

◆ combinatorics()

◆ declareGaudiProperty() [1/4]

◆ declareGaudiProperty() [2/4]

◆ declareGaudiProperty() [3/4]

◆ declareGaudiProperty() [4/4]

◆ declareProperty() [1/6]

◆ declareProperty() [2/6]

◆ declareProperty() [3/6]

◆ declareProperty() [4/6]

◆ declareProperty() [5/6]

◆ declareProperty() [6/6]

◆ detStore()

◆ evtStore() [1/2]

◆ evtStore() [2/2]

◆ extraDeps_update_handler()

◆ fit()

◆ getPairIndices()

◆ getQuadIndices()

◆ initialize()

◆ inputHandles()

◆ mFromN()

◆ msg() [1/2]

◆ msg() [2/2]

◆ msgLvl()

◆ outputHandles()

◆ passesQuadSelection()

◆ performSearch()

◆ renounce()

◆ renounceArray()

◆ sysInitialize()

◆ sysStart()

◆ updateVHKA()

Member Data Documentation

◆ m_detStore

◆ m_etaCut

◆ m_eventInfo_key

◆ m_evtStore

◆ m_iV0VertexFitter

◆ m_iVertexFitter

◆ m_muonCollectionKey

◆ m_muonIndex

◆ m_ptCut

◆ m_TrkParticleCollection

◆ m_trkSelector

◆ m_useV0Fitter

◆ m_varHandleArraysDeclared

◆ m_vhka