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VertexFinder Class Reference

#include <VertexFinder.h>

Inheritance diagram for VertexFinder:
Collaboration diagram for VertexFinder:

Public Member Functions

 VertexFinder (const std::string &type, const std::string &name, const IInterface *parent)
 Constructor.
virtual ~VertexFinder ()
 Destructor.
virtual StatusCode initialize () override
 Tool initializer.
virtual StatusCode execute (DiTauCandidateData *data, const EventContext &ctx) const override
 Execute - called for each Ditau candidate.
ElementLink< xAOD::VertexContainergetPV_TJVA (const xAOD::DiTauJet *, const xAOD::VertexContainer *, float &maxJVF, const EventContext &ctx) const
virtual StatusCode eventInitialize (DiTauCandidateData *data)
 Event initializer - called at the beginning of each event.
virtual StatusCode executeObj (xAOD::DiTauJet &xDiTau, const EventContext &ctx) const
 Execute - called for each Ditau jet.
virtual StatusCode finalize ()
 Finalizer.
template<class T>
bool retrieveTool (T &tool)
 Convenience functions to handle storegate objects.
ServiceHandle< StoreGateSvc > & evtStore ()
 The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.
const ServiceHandle< StoreGateSvc > & detStore () const
 The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.
virtual StatusCode sysInitialize () override
 Perform system initialization for an algorithm.
virtual StatusCode sysStart () override
 Handle START transition.
virtual std::vector< Gaudi::DataHandle * > inputHandles () const override
 Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * > outputHandles () const override
 Return this algorithm's output handles.
Gaudi::Details::PropertyBase & declareProperty (Gaudi::Property< T, V, H > &t)
void updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream & msg () const
bool msgLvl (const MSG::Level lvl) const

Static Public Member Functions

static float getJetVertexFraction (const xAOD::Vertex *, const std::vector< const xAOD::TrackParticle * > &, const jet::TrackVertexAssociation *)
static const InterfaceID & interfaceID ()
 InterfaceID implementation needed for ToolHandle.

Protected Member Functions

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

Private Types

typedef ServiceHandle< StoreGateSvcStoreGateSvc_t

Private Member Functions

Gaudi::Details::PropertyBase & declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
 specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes

SG::ReadHandleKey< xAOD::VertexContainerm_primVtxContainerName { this, "PrimVtxContainerName", "PrimaryVertices", "" }
SG::ReadHandleKey< jet::TrackVertexAssociationm_trackVertexAssocName { this, "TrackVertexAssociation", "JetTrackVtxAssoc_forDiTaus", "" }
Gaudi::Property< std::string > m_assocTracksName {this, "AssociatedTracks", "GhostTrack"}
Gaudi::Property< bool > m_useTJVA {this, "UseTJVA", true}
StoreGateSvc_t m_evtStore
 Pointer to StoreGate (event store by default)
StoreGateSvc_t m_detStore
 Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * > m_vhka
bool m_varHandleArraysDeclared

Detailed Description

Definition at line 15 of file VertexFinder.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

◆ VertexFinder()

VertexFinder::VertexFinder ( const std::string & type,
const std::string & name,
const IInterface * parent )

Constructor.

Definition at line 9 of file VertexFinder.cxx.

11 :
12 DiTauToolBase(type, name, parent)
13{
14 declareInterface<DiTauToolBase > (this);
15}
DiTauToolBase(const std::string &type, const std::string &name, const IInterface *parent)

◆ ~VertexFinder()

VertexFinder::~VertexFinder ( )
virtualdefault

Destructor.

Member Function Documentation

◆ declareGaudiProperty()

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

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

Definition at line 156 of file AthCommonDataStore.h.

158 {
160 hndl.value(),
161 hndl.documentation());
162
163 }
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T, V, H > &t)

◆ declareProperty()

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

Definition at line 145 of file AthCommonDataStore.h.

145 {
146 typedef typename SG::HandleClassifier<T>::type htype;
148 }
Gaudi::Details::PropertyBase & declareGaudiProperty(Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
specialization for handling Gaudi::Property<SG::VarHandleKey>

◆ 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.

◆ eventInitialize()

StatusCode DiTauToolBase::eventInitialize ( DiTauCandidateData * data)
virtualinherited

Event initializer - called at the beginning of each event.

Definition at line 32 of file DiTauToolBase.cxx.

33{
34 return StatusCode::SUCCESS;
35}

◆ evtStore()

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.

◆ execute()

StatusCode VertexFinder::execute ( DiTauCandidateData * data,
const EventContext & ctx ) const
overridevirtual

Execute - called for each Ditau candidate.

Reimplemented from DiTauToolBase.

Definition at line 30 of file VertexFinder.cxx.

31 {
32
33 ATH_MSG_DEBUG("execute VertexFinder...");
34
35 xAOD::DiTauJet *pDiTau = data->xAODDiTau;
36
37 // get the primary vertex container from StoreGate
38 //do it here because of tau trigger
39 const xAOD::Vertex* vxPrimary = nullptr;
40
41 SG::ReadHandle<xAOD::VertexContainer> vxContainer (m_primVtxContainerName, ctx);
42
43 // find default PrimaryVertex
44 // see https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/VertexReselectionOnAOD
45 // and https://svnweb.cern.ch/trac/atlasoff/browser/Tracking/TrkEvent/VxVertex/trunk/VxVertex/PrimaryVertexSelector.h
46 for (const auto *const vtx : *vxContainer) {
47 // the first and only primary vertex candidate is picked
48 if ( vtx->vertexType() == xAOD::VxType::PriVtx) {
49 vxPrimary = vtx;
50 break;
51 }
52 }
53
54 if (vxPrimary == nullptr) {
55 ATH_MSG_WARNING("Unable to find primary Vertex in VertexContainer." <<
56 " Continue without Tau Vertex Association.");
57 return StatusCode::SUCCESS;
58 }
59
60 // associate vertex to tau
61 pDiTau->setVertex(vxContainer.get(), vxPrimary);
62
63
64 if(m_useTJVA){
65 // try to find new PV with TJVA
66 ATH_MSG_DEBUG("TJVA enabled -> try to find new PV for the tau candidate");
67
68 float maxJVF = -100.;
69 ElementLink<xAOD::VertexContainer> newPrimaryVertexLink = getPV_TJVA(pDiTau, vxContainer.get(), maxJVF, ctx);
70 if (newPrimaryVertexLink.isValid()) {
71 // set new primary vertex
72 // will overwrite default one which was set above
73 pDiTau->setVertexLink(newPrimaryVertexLink);
74 // save highest JVF value
75 pDiTau->setDetail(xAOD::DiTauJetParameters::TauJetVtxFraction,static_cast<float>(maxJVF));
76 ATH_MSG_DEBUG("TJVA vertex found and set");
77 }
78 else {
79 ATH_MSG_DEBUG("couldn't find new PV for TJVA");
80 }
81 }
82
83 return StatusCode::SUCCESS;
84}
#define ATH_MSG_WARNING(x)
#define ATH_MSG_DEBUG(x)
char data[hepevt_bytes_allocation_ATLAS]
Definition HepEvt.cxx:11
Gaudi::Property< bool > m_useTJVA
ElementLink< xAOD::VertexContainer > getPV_TJVA(const xAOD::DiTauJet *, const xAOD::VertexContainer *, float &maxJVF, const EventContext &ctx) const
SG::ReadHandleKey< xAOD::VertexContainer > m_primVtxContainerName
void setDetail(DiTauJetParameters::Detail detail, int value)
void setVertexLink(const VertexLink_t &vertexLink)
void setVertex(const xAOD::VertexContainer *cont, const xAOD::Vertex *vertex)
@ PriVtx
Primary vertex.
Vertex_v1 Vertex
Define the latest version of the vertex class.
DiTauJet_v1 DiTauJet
Definition of the current version.
Definition DiTauJet.h:17

◆ executeObj()

StatusCode DiTauToolBase::executeObj ( xAOD::DiTauJet & xDiTau,
const EventContext & ctx ) const
virtualinherited

Execute - called for each Ditau jet.

Reimplemented in DiTauExtraVarDecorator, DiTauOnnxDiscriminantTool, and DiTauWPDecorator.

Definition at line 44 of file DiTauToolBase.cxx.

46{
47 return StatusCode::SUCCESS;
48}

◆ 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

◆ finalize()

StatusCode DiTauToolBase::finalize ( )
virtualinherited

Finalizer.

Reimplemented in DiTauOnnxDiscriminantTool.

Definition at line 50 of file DiTauToolBase.cxx.

51{
52 return StatusCode::SUCCESS;
53}

◆ getJetVertexFraction()

float VertexFinder::getJetVertexFraction ( const xAOD::Vertex * vertex,
const std::vector< const xAOD::TrackParticle * > & tracks,
const jet::TrackVertexAssociation * tva )
static

Definition at line 132 of file VertexFinder.cxx.

133{
134 float sumTrackPV = 0.;
135 float sumTrackAll = 0.;
136 for (size_t iTrack = 0; iTrack < tracks.size(); ++iTrack)
137 {
138 const xAOD::TrackParticle* track = tracks.at(iTrack);
139 const xAOD::Vertex* ptvtx = tva->associatedVertex(track);
140 if (ptvtx != nullptr) {
141 if (ptvtx->index() == vertex->index()) sumTrackPV += track->pt();
142 }
143
144 sumTrackAll += track->pt();
145 }
146
147 return sumTrackAll!=0. ? sumTrackPV/sumTrackAll : 0.;
148}
size_t index() const
Return the index of this element within its container.
const xAOD::Vertex * associatedVertex(const xAOD::TrackParticle *trk) const
TrackParticle_v1 TrackParticle
Reference the current persistent version:

◆ getPV_TJVA()

ElementLink< xAOD::VertexContainer > VertexFinder::getPV_TJVA ( const xAOD::DiTauJet * pDiTau,
const xAOD::VertexContainer * vertices,
float & maxJVF,
const EventContext & ctx ) const

Definition at line 87 of file VertexFinder.cxx.

90{
91 const xAOD::Jet* pJetSeed = (*pDiTau->jetLink());
92
93 // the implementation follows closely the example given in modifyJet(...) in https://svnweb.cern.ch/trac/atlasoff/browser/Reconstruction/Jet/JetMomentTools/trunk/Root/JetVertexFractionTool.cxx#15
94
95 // Get the tracks associated to the jet
96 std::vector<const xAOD::TrackParticle*> assocTracks;
97 if (! pJetSeed->getAssociatedObjects(m_assocTracksName, assocTracks)) {
98 ATH_MSG_ERROR("Could not retrieve the AssociatedObjects named \""<< m_assocTracksName <<"\" from jet");
99 return {};
100 }
101
102 // Get the TVA object
103 SG::ReadHandle<jet::TrackVertexAssociation> tva (m_trackVertexAssocName, ctx);
104
105 // Calculate Jet Vertex Fraction
106 std::vector<float> jvf;
107 jvf.resize(vertices->size());
108 for (size_t iVertex = 0; iVertex < vertices->size(); ++iVertex) {
109 jvf.at(iVertex) = getJetVertexFraction(vertices->at(iVertex),assocTracks,tva.get());
110 }
111
112 // Get the highest JVF vertex and store maxJVF for later use
113 // Note: the official JetMomentTools/JetVertexFractionTool doesn't provide any possibility to access the JVF value, but just the vertex.
114 maxJVF=-100.;
115 size_t maxIndex = 0;
116 for (size_t iVertex = 0; iVertex < jvf.size(); ++iVertex) {
117 if (jvf.at(iVertex) > maxJVF) {
118 maxJVF = jvf.at(iVertex);
119 maxIndex = iVertex;
120 }
121 }
122
123 // Set the highest JVF vertex
124 ElementLink<xAOD::VertexContainer> vtxlink = ElementLink<xAOD::VertexContainer>(*vertices,vertices->at(maxIndex)->index());
125
126 return vtxlink;
127}
#define ATH_MSG_ERROR(x)
const T * at(size_type n) const
Access an element, as an rvalue.
size_type size() const noexcept
Returns the number of elements in the collection.
SG::ReadHandleKey< jet::TrackVertexAssociation > m_trackVertexAssocName
Gaudi::Property< std::string > m_assocTracksName
static float getJetVertexFraction(const xAOD::Vertex *, const std::vector< const xAOD::TrackParticle * > &, const jet::TrackVertexAssociation *)
const JetLink_t & jetLink() const
std::vector< const T * > getAssociatedObjects(const std::string &name) const
get associated objects as a vector<object> this compact form throws an exception if the object is not...
Jet_v1 Jet
Definition of the current "jet version".

◆ initialize()

StatusCode VertexFinder::initialize ( )
overridevirtual

Tool initializer.

Reimplemented from DiTauToolBase.

Definition at line 21 of file VertexFinder.cxx.

21 {
22
23 ATH_CHECK( m_primVtxContainerName.initialize() );
24 ATH_CHECK( m_trackVertexAssocName.initialize() );
25
26 return StatusCode::SUCCESS;
27}
#define ATH_CHECK
Evaluate an expression and check for errors.

◆ 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.

◆ interfaceID()

const InterfaceID & DiTauToolBase::interfaceID ( )
staticinherited

InterfaceID implementation needed for ToolHandle.

Definition at line 9 of file DiTauToolBase.cxx.

9 {
10 return DiTauToolBaseID;
11}
static const InterfaceID DiTauToolBaseID("DiTauToolBase", 1, 0)

◆ msg()

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

Definition at line 24 of file AthCommonMsg.h.

24 {
25 return this->msgStream();
26 }

◆ msgLvl()

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

Definition at line 30 of file AthCommonMsg.h.

30 {
31 return this->msgLevel(lvl);
32 }

◆ 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.

◆ 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.

381 {
382 h.renounce();
384 }
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)

◆ 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.

364 {
366 }

◆ retrieveTool()

template<class T>
bool DiTauToolBase::retrieveTool ( T & tool)
inherited

Convenience functions to handle storegate objects.

Definition at line 59 of file DiTauToolBase.cxx.

59 {
60 if (tool.retrieve().isFailure()) {
61 ATH_MSG_FATAL("Failed to retrieve tool " << tool);
62 return false;
63 } else {
64 ATH_MSG_VERBOSE("Retrieved tool " << tool);
65 }
66 return true;
67}
#define ATH_MSG_FATAL(x)
#define ATH_MSG_VERBOSE(x)

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

◆ 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.

308 {
309 // debug() << "updateVHKA for property " << p.name() << " " << p.toString()
310 // << " size: " << m_vhka.size() << endmsg;
311 for (auto &a : m_vhka) {
313 for (auto k : keys) {
314 k->setOwner(this);
315 }
316 }
317 }
std::vector< SG::VarHandleKeyArray * > m_vhka

Member Data Documentation

◆ m_assocTracksName

Gaudi::Property<std::string> VertexFinder::m_assocTracksName {this, "AssociatedTracks", "GhostTrack"}
private

Definition at line 48 of file VertexFinder.h.

48{this, "AssociatedTracks", "GhostTrack"};

◆ 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_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_primVtxContainerName

SG::ReadHandleKey<xAOD::VertexContainer> VertexFinder::m_primVtxContainerName { this, "PrimVtxContainerName", "PrimaryVertices", "" }
private

Definition at line 43 of file VertexFinder.h.

44{ this, "PrimVtxContainerName", "PrimaryVertices", "" };

◆ m_trackVertexAssocName

SG::ReadHandleKey<jet::TrackVertexAssociation> VertexFinder::m_trackVertexAssocName { this, "TrackVertexAssociation", "JetTrackVtxAssoc_forDiTaus", "" }
private

Definition at line 45 of file VertexFinder.h.

46{ this, "TrackVertexAssociation", "JetTrackVtxAssoc_forDiTaus", "" };

◆ m_useTJVA

Gaudi::Property<bool> VertexFinder::m_useTJVA {this, "UseTJVA", true}
private

Definition at line 49 of file VertexFinder.h.

49{this, "UseTJVA", true};

◆ 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: