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DiPhotonFilter Class Reference

Filters and looks for di-photons. More...

#include <DiPhotonFilter.h>

Inheritance diagram for DiPhotonFilter:
Collaboration diagram for DiPhotonFilter:

Public Member Functions

 DiPhotonFilter (const std::string &name, ISvcLocator *pSvcLocator)
virtual StatusCode filterInitialize ()
virtual StatusCode filterEvent ()
virtual StatusCode sysInitialize () override
 Override sysInitialize.
virtual const DataObjIDColl & extraOutputDeps () const override
 Return the list of extra output dependencies.
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 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
Event loop algorithm methods: not to be overloaded
StatusCode initialize ()
StatusCode execute ()
StatusCode finalize ()
Gen-specific event loop methods: to be overloaded!
virtual StatusCode filterFinalize ()
Counters
int nPassed () const
int nFailed () const
int nNeeded () const
Event collection accessors (const and non-const)
HepMC::GenEvent *event ATLAS_NOT_CONST_THREAD_SAFE ()
 Access the current signal event (first in the McEventCollection)
McEventCollection *events ATLAS_NOT_CONST_THREAD_SAFE ()
 Access the current event's McEventCollection.
const HepMC::GenEvent * event_const () const
 Access the current signal event (const)
const McEventCollectionevents_const () const
 Access the current event's McEventCollection (const)
const McEventCollectionevents_const (const EventContext &ctx) const
Particle data accessors
const ServiceHandle< IPartPropSvc > partPropSvc () const
 Access the particle property service.
const HepPDT::ParticleDataTable & particleTable () const
 Get a particle data table.
const HepPDT::ParticleDataTable & pdt () const
 Shorter alias to get a particle data table.
const HepPDT::ParticleData * particleData (int pid) const
 Access an element in the particle data table.

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.

Protected Attributes

Counters and requirements
int m_nPass
int m_nFail
int m_nNeeded
Properties
std::string m_mcEventKey {}
 StoreGate key for the MC event collection (defaults to GEN_EVENT)
BooleanProperty m_mkMcEvent {this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"}
 Flag to determine if a new MC event collection should be made if it doesn't exist.

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

double m_Ptmin_1st
double m_EtaRange_1st
double m_Ptmin_2nd
double m_EtaRange_2nd
double m_Ptmin_others
double m_EtaRange_others
double m_diphoton_deltaRmin
double m_diphoton_deltaRmax
double m_diphoton_massmin
double m_diphoton_massmax
double m_diphoton_PtMin
double m_diphoton_PtMax
bool m_use1st2ndPhotonsforMassAndDeltaRCuts
DataObjIDColl m_extendedExtraObjects
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

Utility event-mangling functions

Todo
Replace with HepMC units when available
ServiceHandle< IPartPropSvc > m_ppSvc {this, "PartPropSvc", "PartPropSvc"}
 Handle on the particle property service.
SG::ReadHandleKey< McEventCollectionm_mcevents_const { this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" }
 Const handle to the MC event collection.
void GeVToMeV (HepMC::GenEvent *evt)
 Scale event energies/momenta by x 1000.
void MeVToGeV (HepMC::GenEvent *evt)
 Scale event energies/momenta by x 1/1000.
void cmTomm (HepMC::GenEvent *evt)
 Scale event lengths by x 10.
void mmTocm (HepMC::GenEvent *evt)
 Scale event lengths by x 1/10.

Detailed Description

Filters and looks for di-photons.

Author
J Tanaka, Aug 2009

Definition at line 12 of file DiPhotonFilter.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Algorithm > >::StoreGateSvc_t
privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ DiPhotonFilter()

DiPhotonFilter::DiPhotonFilter ( const std::string & name,
ISvcLocator * pSvcLocator )

Definition at line 20 of file DiPhotonFilter.cxx.

21 : GenFilter(name, pSvcLocator)
22{
23 declareProperty("PtCut1st",m_Ptmin_1st = 20000.);
24 declareProperty("PtCut2nd",m_Ptmin_2nd = 15000.);
25 declareProperty("PtCutOthers",m_Ptmin_others = 15000.);
26 declareProperty("EtaCut1st",m_EtaRange_1st = 2.50);
27 declareProperty("EtaCut2nd",m_EtaRange_2nd = 2.50);
28 declareProperty("EtaCutOthers",m_EtaRange_others = 2.50);
29 declareProperty("DeltaRCutFrom",m_diphoton_deltaRmin = -1.);
30 declareProperty("DeltaRCutTo",m_diphoton_deltaRmax = -1.);
31 declareProperty("MassCutFrom",m_diphoton_massmin = -1.);
32 declareProperty("MassCutTo",m_diphoton_massmax = -1.);
33 declareProperty("DiPhotonPtMin", m_diphoton_PtMin = -1.);
34 declareProperty("DiPhotonPtMax", m_diphoton_PtMax = -1.);
36}
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T, V, H > &t)
bool m_use1st2ndPhotonsforMassAndDeltaRCuts
double m_EtaRange_others
double m_diphoton_deltaRmax
double m_diphoton_massmax
double m_diphoton_deltaRmin
double m_diphoton_PtMin
double m_diphoton_PtMax
double m_diphoton_massmin
GenFilter(const std::string &name, ISvcLocator *pSvcLocator)
Definition GenFilter.cxx:8

Member Function Documentation

◆ ATLAS_NOT_CONST_THREAD_SAFE() [1/2]

HepMC::GenEvent *event GenBase::ATLAS_NOT_CONST_THREAD_SAFE ( )
inlineinherited

Access the current signal event (first in the McEventCollection)

Note
This function will make a new McEventCollection if there is not already a valid one and MakeMcEvent=True.

Definition at line 76 of file GenBase.h.

76 {
77 if (events()->empty())
78 ATH_MSG_ERROR("McEventCollection is empty during first event access");
79 return *(events()->begin());
80 }
#define ATH_MSG_ERROR(x)
static const Attributes_t empty

◆ ATLAS_NOT_CONST_THREAD_SAFE() [2/2]

McEventCollection *events GenBase::ATLAS_NOT_CONST_THREAD_SAFE ( )
inherited

Access the current event's McEventCollection.

Note
This function will make a new McEventCollection if there is not already a valid one and MakeMcEvent=True.

◆ cmTomm()

void GenBase::cmTomm ( HepMC::GenEvent * evt)
protectedinherited

Scale event lengths by x 10.

Definition at line 78 of file GenBase.cxx.

78 {
79 for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
80 const HepMC::FourVector fv((*vtx)->position().x() * 10,
81 (*vtx)->position().y() * 10,
82 (*vtx)->position().z() * 10,
83 (*vtx)->position().t() * 10);
84 (*vtx)->set_position(fv);
85 }
86}

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::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 }

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::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< Algorithm > >::detStore ( ) const
inlineinherited

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

Definition at line 95 of file AthCommonDataStore.h.

◆ event_const()

const HepMC::GenEvent * GenBase::event_const ( ) const
inlineinherited

Access the current signal event (const)

Definition at line 83 of file GenBase.h.

83 {
84 if (events_const()->empty())
85 ATH_MSG_ERROR("Const McEventCollection is empty during first event access");
86 return *(events_const()->begin());
87 }
const_iterator begin() const noexcept
Return a const_iterator pointing at the beginning of the collection.
const McEventCollection * events_const() const
Access the current event's McEventCollection (const)
Definition GenBase.h:96

◆ events_const() [1/2]

const McEventCollection * GenBase::events_const ( ) const
inlineinherited

Access the current event's McEventCollection (const)

Definition at line 96 of file GenBase.h.

96 {
97 return events_const( getContext() );
98 }

◆ events_const() [2/2]

const McEventCollection * GenBase::events_const ( const EventContext & ctx) const
inlineinherited

Definition at line 99 of file GenBase.h.

99 {
100 SG::ReadHandle<McEventCollection> ret = SG::makeHandle(m_mcevents_const, ctx);
101 if (!ret.isValid())
102 ATH_MSG_ERROR("No McEventCollection found in StoreGate with key " << m_mcevents_const.key());
103 return ret.cptr();
104 }
SG::ReadHandleKey< McEventCollection > m_mcevents_const
Const handle to the MC event collection.
Definition GenBase.h:163
virtual bool isValid() override final
Can the handle be successfully dereferenced?
const_pointer_type cptr()
Dereference the pointer.
SG::ReadCondHandle< T > makeHandle(const SG::ReadCondHandleKey< T > &key, const EventContext &ctx=Gaudi::Hive::currentContext())

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::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 GenFilter::execute ( )
virtualinherited
Todo
Probably the filter should only look at the first event... right?

Reimplemented from GenBase.

Definition at line 29 of file GenFilter.cxx.

29 {
30 if (events_const()->empty()) {
31 ATH_MSG_ERROR("No events found in McEventCollection");
32 return StatusCode::FAILURE;
33 } else if (events_const()->size() > 1) {
35 ATH_MSG_WARNING("More than one event in current McEventCollection -- which is valid?");
36 }
38#ifdef HEPMC3
39 if (filterPassed() || m_keepAll ) {
40#else
41 if (filterPassed() ) {
42#endif
43 ATH_MSG_DEBUG("Event passed filter");
44 m_nPass += 1;
45 } else {
46 ATH_MSG_DEBUG("Event failed filter");
47 m_nFail += 1;
48 }
49 // Bail out once we have enough events
50 if (m_nPass >= m_nNeeded && m_nNeeded > 0)
51 sc = StatusCode::FAILURE;
52 return sc;
53}
#define ATH_MSG_WARNING(x)
#define ATH_MSG_DEBUG(x)
static Double_t sc
int m_nPass
Definition GenFilter.h:65
int m_nNeeded
Definition GenFilter.h:67
int m_nFail
Definition GenFilter.h:66
virtual StatusCode filterEvent()=0
::StatusCode StatusCode
StatusCode definition for legacy code.

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::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

◆ extraOutputDeps()

const DataObjIDColl & AthAlgorithm::extraOutputDeps ( ) const
overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 50 of file AthAlgorithm.cxx.

51{
52 // If we didn't find any symlinks to add, just return the collection
53 // from the base class. Otherwise, return the extended collection.
54 if (!m_extendedExtraObjects.empty()) {
56 }
57 return Algorithm::extraOutputDeps();
58}
DataObjIDColl m_extendedExtraObjects

◆ filterEvent()

StatusCode DiPhotonFilter::filterEvent ( )
virtual

Implements GenFilter.

Definition at line 60 of file DiPhotonFilter.cxx.

60 {
61 // get min pt
63 if (ptcut > m_Ptmin_others) ptcut = m_Ptmin_others;
64
65 ATH_MSG_DEBUG("min pt(photon) = " << ptcut << " (CLHEP::MeV)");
66
67 // find truth photons
68 std::vector<HepMC::ConstGenParticlePtr> MCTruthPhotonList;
70 for (itr = events()->begin(); itr!=events()->end(); ++itr) {
71 // Loop over all particles in the event
72 const HepMC::GenEvent* genEvt = (*itr);
73 for (const auto& part: *genEvt) {
74 if ( MC::isPhoton(part) ) {
75 if ( MC::isStable(part) && (part->momentum().perp() >= ptcut) ) {
76 MCTruthPhotonList.push_back(part);
77 }
78 }
79 }
80 }
81
82 // sort truth photons with pT
83 std::sort(MCTruthPhotonList.begin(), MCTruthPhotonList.end(), High2LowByGenParticleClassPt());
84
85 // check conditions
86 bool isOK = true;
87 ATH_MSG_DEBUG("# of truth photons = " << MCTruthPhotonList.size());
88 if (MCTruthPhotonList.size() < 2) {
89 isOK = false;
90 } else {
91 std::vector<HepMC::ConstGenParticlePtr> MCTruthPhotonList2;
92 // check pT and eta to select truth photons
93 for (size_t i = 0; i < MCTruthPhotonList.size(); ++i) {
94 ATH_MSG_DEBUG(i << ": pT=" << MCTruthPhotonList[i]->momentum().perp() << ", eta=" << MCTruthPhotonList[i]->momentum().pseudoRapidity());
95 double ptmin = m_Ptmin_others;
96 double etamax = m_EtaRange_others;
97 if (MCTruthPhotonList2.size() == 0) {
98 ptmin = m_Ptmin_1st;
99 etamax = m_EtaRange_1st;
100 } else if (MCTruthPhotonList2.size() == 1) {
101 ptmin = m_Ptmin_2nd;
102 etamax = m_EtaRange_2nd;
103 }
104 if (MCTruthPhotonList[i]->momentum().perp() >= ptmin &&
105 std::abs(MCTruthPhotonList[i]->momentum().pseudoRapidity()) <= etamax) {
106 MCTruthPhotonList2.push_back(MCTruthPhotonList[i]);
107 }
108 }
109 ATH_MSG_DEBUG("# of truth photons after pT and eta cut = " << MCTruthPhotonList2.size());
110
111 if (MCTruthPhotonList2.size() < 2) {
112 isOK = false;
113 } else {
114 int nGood = 0;
116 double sumPx = MCTruthPhotonList2[0]->momentum().px()+MCTruthPhotonList2[1]->momentum().px();
117 double sumPy = MCTruthPhotonList2[0]->momentum().py()+MCTruthPhotonList2[1]->momentum().py();
118 double sumPz = MCTruthPhotonList2[0]->momentum().pz()+MCTruthPhotonList2[1]->momentum().pz();
119 double sumE = MCTruthPhotonList2[0]->momentum().e() +MCTruthPhotonList2[1]->momentum().e();
120 double m2 = sumE*sumE-(sumPx*sumPx+sumPy*sumPy+sumPz*sumPz);
121 double mGamGam = m2 >= 0. ? std::sqrt(m2) : -std::sqrt(-m2);
122 ATH_MSG_DEBUG("mass(gamgam) = " << mGamGam << " (CLHEP::MeV)");
123 double deltaEta = MCTruthPhotonList2[0]->momentum().pseudoRapidity() - MCTruthPhotonList2[1]->momentum().pseudoRapidity();
124 double deltaPhi = MCTruthPhotonList2[0]->momentum().phi() - MCTruthPhotonList2[1]->momentum().phi();
125 double deltaR = std::sqrt(deltaEta*deltaEta+deltaPhi*deltaPhi);
126 ATH_MSG_DEBUG("deltaR(gamgam) = " << deltaR);
127 int testMassDeltaRCuts = 0;
128
129 // compute diphoton pT
130 double diphotonPt = std::sqrt(sumPx*sumPx + sumPy*sumPy);
131 ATH_MSG_DEBUG("diphoton Pt = " << diphotonPt << " (MeV)");
132
133 // apply diphoton pT cut
134 if (m_diphoton_PtMin >= 0. && diphotonPt < m_diphoton_PtMin) {
135 setFilterPassed(false);
136 return StatusCode::SUCCESS;
137 }
138 if (m_diphoton_PtMax >= 0. && diphotonPt > m_diphoton_PtMax) {
139 setFilterPassed(false);
140 return StatusCode::SUCCESS;
141 }
142
143 //check mass
144 if (m_diphoton_massmin >= 0. && m_diphoton_massmax >= 0.) {
145 if (mGamGam >= m_diphoton_massmin && mGamGam <= m_diphoton_massmax) ++testMassDeltaRCuts;
146 } else if (m_diphoton_massmin >= 0. && m_diphoton_massmax < 0.) {
147 if (mGamGam >= m_diphoton_massmin) ++testMassDeltaRCuts;
149 if (mGamGam <= m_diphoton_massmax) ++testMassDeltaRCuts;
150 } else {
151 ++testMassDeltaRCuts;
152 }
153 // check deltaR
154 if (m_diphoton_deltaRmin >= 0. && m_diphoton_deltaRmax >= 0.) {
155 if (deltaR >= m_diphoton_deltaRmin && deltaR <= m_diphoton_deltaRmax) ++testMassDeltaRCuts;
156 } else if (m_diphoton_deltaRmin >= 0. && m_diphoton_deltaRmax < 0.) {
157 if (deltaR >= m_diphoton_deltaRmin) ++testMassDeltaRCuts;
159 if (deltaR <= m_diphoton_deltaRmax) ++testMassDeltaRCuts;
160 } else {
161 ++testMassDeltaRCuts;
162 }
163 // count pairs
164 if (testMassDeltaRCuts == 2) ++nGood;
165 } else {
166 for (size_t i=0;i<MCTruthPhotonList2.size()-1;++i) {
167 for (size_t j=i+1;j<MCTruthPhotonList2.size();++j) {
168 double sumPx = MCTruthPhotonList2[i]->momentum().px()+MCTruthPhotonList2[j]->momentum().px();
169 double sumPy = MCTruthPhotonList2[i]->momentum().py()+MCTruthPhotonList2[j]->momentum().py();
170 double sumPz = MCTruthPhotonList2[i]->momentum().pz()+MCTruthPhotonList2[j]->momentum().pz();
171 double sumE = MCTruthPhotonList2[i]->momentum().e() +MCTruthPhotonList2[j]->momentum().e();
172 double m2 = sumE*sumE-(sumPx*sumPx+sumPy*sumPy+sumPz*sumPz);
173 double mGamGam = m2 >= 0. ? std::sqrt(m2) : -std::sqrt(-m2);
174 ATH_MSG_DEBUG("mass(gamgam) = " << mGamGam << " (CLHEP::MeV)");
175 double deltaEta = MCTruthPhotonList2[i]->momentum().pseudoRapidity() - MCTruthPhotonList2[j]->momentum().pseudoRapidity();
176 double deltaPhi = MCTruthPhotonList2[i]->momentum().phi() - MCTruthPhotonList2[j]->momentum().phi();
177 double deltaR = std::sqrt(deltaEta*deltaEta+deltaPhi*deltaPhi);
178 ATH_MSG_DEBUG("deltaR(gamgam) = " << deltaR);
179 int testMassDeltaRCuts = 0;
180
181 // compute diphoton pT
182 double diphotonPt = std::sqrt(sumPx*sumPx + sumPy*sumPy);
183 ATH_MSG_DEBUG("diphoton Pt = " << diphotonPt << " (MeV)");
184
185 // apply diphoton pT cut
186 if (m_diphoton_PtMin >= 0. && diphotonPt < m_diphoton_PtMin) continue;
187 if (m_diphoton_PtMax >= 0. && diphotonPt > m_diphoton_PtMax) continue;
188
189 // check mass
190 if (m_diphoton_massmin >= 0. && m_diphoton_massmax >= 0.) {
191 if (mGamGam >= m_diphoton_massmin && mGamGam <= m_diphoton_massmax) ++testMassDeltaRCuts;
192 } else if (m_diphoton_massmin >= 0. && m_diphoton_massmax < 0.) {
193 if (mGamGam >= m_diphoton_massmin) ++testMassDeltaRCuts;
195 if (mGamGam <= m_diphoton_massmax) ++testMassDeltaRCuts;
196 } else {
197 ++testMassDeltaRCuts;
198 }
199 // check deltaR
200 if (m_diphoton_deltaRmin >= 0. && m_diphoton_deltaRmax >= 0.) {
201 if (deltaR >= m_diphoton_deltaRmin && deltaR <= m_diphoton_deltaRmax) ++testMassDeltaRCuts;
202 } else if (m_diphoton_deltaRmin >= 0. && m_diphoton_deltaRmax < 0.) {
203 if (deltaR >= m_diphoton_deltaRmin) ++testMassDeltaRCuts;
205 if (deltaR <= m_diphoton_deltaRmax) ++testMassDeltaRCuts;
206 } else {
207 ++testMassDeltaRCuts;
208 }
209 // count pairs
210 if (testMassDeltaRCuts == 2) ++nGood;
211 }
212 }
213 }
214
215 ATH_MSG_DEBUG("# of good photon pair = " << nGood);
216 if (nGood == 0) isOK = false;
217 }
218 }
219
220 ATH_MSG_DEBUG("flag(final decision) = " << isOK);
221 setFilterPassed(isOK);
222 return StatusCode::SUCCESS;
223}
Scalar perp() const
perp method - perpendicular length
Scalar deltaPhi(const MatrixBase< Derived > &vec) const
Scalar deltaR(const MatrixBase< Derived > &vec) const
DataModel_detail::const_iterator< DataVector > const_iterator
Definition DataVector.h:838
bool isPhoton(const T &p)
bool isStable(const T &p)
Identify if the particle is stable, i.e. has not decayed.
double deltaEta(const I4Momentum &p1, const I4Momentum &p2)
Computes efficiently .
Definition P4Helpers.h:66
void sort(typename DataModel_detail::iterator< DVL > beg, typename DataModel_detail::iterator< DVL > end)
Specialization of sort for DataVector/List.

◆ filterFinalize()

◆ filterInitialize()

StatusCode DiPhotonFilter::filterInitialize ( )
virtual

Reimplemented from GenFilter.

Definition at line 39 of file DiPhotonFilter.cxx.

39 {
40 ATH_MSG_INFO("*** filter condition ***");
41 ATH_MSG_INFO("At least two photons must be in an event.");
42 ATH_MSG_INFO("PtCut for the 1st photon = " << m_Ptmin_1st << " (CLHEP::MeV)");
43 ATH_MSG_INFO("PtCut for the 2nd photon = " << m_Ptmin_2nd << " (CLHEP::MeV)");
44 ATH_MSG_INFO("PtCut for other photons = " << m_Ptmin_others << " (CLHEP::MeV)");
45 ATH_MSG_INFO("EtaCut for the 1st photon = " << m_EtaRange_1st);
46 ATH_MSG_INFO("EtaCut for the 2nd photon = " << m_EtaRange_2nd);
47 ATH_MSG_INFO("EtaCut for other photons = " << m_EtaRange_others);
48 ATH_MSG_INFO("DeltaRCut(min) = " << m_diphoton_deltaRmin);
49 ATH_MSG_INFO("DeltaRCut(max) = " << m_diphoton_deltaRmax);
50 ATH_MSG_INFO("MassCut(min) = " << m_diphoton_massmin << " (CLHEP::MeV)");
51 ATH_MSG_INFO("MassCut(max) = " << m_diphoton_massmax << " (CLHEP::MeV)");
52 ATH_MSG_INFO("Diphoton Pt cut(min) = " << m_diphoton_PtMin << " (CLHEP::MeV)");
53 ATH_MSG_INFO("Diphoton Pt cut(max) = " << m_diphoton_PtMax << " (CLHEP::MeV)");
54 ATH_MSG_INFO(" negative value on MassCut(min,max) -> no limit in the cut");
55 ATH_MSG_INFO("Use only the 1st and the 2nd photons for mass and deltaR cuts, flag = " << m_use1st2ndPhotonsforMassAndDeltaRCuts);
56 return StatusCode::SUCCESS;
57}
#define ATH_MSG_INFO(x)

◆ finalize()

StatusCode GenFilter::finalize ( )
inherited

Definition at line 56 of file GenFilter.cxx.

56 {
57 ATH_MSG_INFO("Events passed = " << m_nPass << " Events failed = " << m_nFail);
59 return StatusCode::SUCCESS;
60}
#define CHECK(...)
Evaluate an expression and check for errors.
virtual StatusCode filterFinalize()
Definition GenFilter.h:47

◆ GeVToMeV()

void GenBase::GeVToMeV ( HepMC::GenEvent * evt)
protectedinherited

Scale event energies/momenta by x 1000.

Todo
Add HepMC units awareness and do it differently when HepMC provides this functionality directly (and reference-based FourVector accessors)

Definition at line 58 of file GenBase.cxx.

58 {
59 for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
60 const HepMC::FourVector fv((*p)->momentum().px() * 1000,
61 (*p)->momentum().py() * 1000,
62 (*p)->momentum().pz() * 1000,
63 (*p)->momentum().e() * 1000);
64 (*p)->set_momentum(fv);
65 (*p)->set_generated_mass(1000 * (*p)->generated_mass());
66 }
67}

◆ initialize()

StatusCode GenFilter::initialize ( )
virtualinherited

Reimplemented from GenBase.

Definition at line 20 of file GenFilter.cxx.

20 {
22 m_nPass = 0;
23 m_nFail = 0;
25 return StatusCode::SUCCESS;
26}
virtual StatusCode initialize() override
Definition GenBase.cxx:17
virtual StatusCode filterInitialize()
Definition GenFilter.h:45

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::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.

◆ MeVToGeV()

void GenBase::MeVToGeV ( HepMC::GenEvent * evt)
protectedinherited

Scale event energies/momenta by x 1/1000.

Definition at line 68 of file GenBase.cxx.

68 {
69 for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
70 const HepMC::FourVector fv((*p)->momentum().px() / 1000,
71 (*p)->momentum().py() / 1000,
72 (*p)->momentum().pz() / 1000,
73 (*p)->momentum().e() / 1000);
74 (*p)->set_momentum(fv);
75 (*p)->set_generated_mass((*p)->generated_mass() / 1000);
76 }
77}

◆ mmTocm()

void GenBase::mmTocm ( HepMC::GenEvent * evt)
protectedinherited

Scale event lengths by x 1/10.

Definition at line 87 of file GenBase.cxx.

87 {
88 for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
89 const HepMC::FourVector fv((*vtx)->position().x() / 10,
90 (*vtx)->position().y() / 10,
91 (*vtx)->position().z() / 10,
92 (*vtx)->position().t() / 10);
93 (*vtx)->set_position(fv);
94 }
95}

◆ msg()

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

Definition at line 24 of file AthCommonMsg.h.

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

◆ msgLvl()

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

Definition at line 30 of file AthCommonMsg.h.

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

◆ nFailed()

int GenFilter::nFailed ( ) const
inlineinherited

Definition at line 53 of file GenFilter.h.

53{ return m_nFail; }

◆ nNeeded()

int GenFilter::nNeeded ( ) const
inlineinherited

Definition at line 54 of file GenFilter.h.

54{ return m_nNeeded; }

◆ nPassed()

int GenFilter::nPassed ( ) const
inlineinherited

Definition at line 52 of file GenFilter.h.

52{ return m_nPass; }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::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.

◆ particleData()

const HepPDT::ParticleData * GenBase::particleData ( int pid) const
inlineinherited

Access an element in the particle data table.

Definition at line 126 of file GenBase.h.

126 {
127 return pdt().particle(HepPDT::ParticleID(std::abs(pid)));
128 }
const HepPDT::ParticleDataTable & pdt() const
Shorter alias to get a particle data table.
Definition GenBase.h:123

◆ particleTable()

const HepPDT::ParticleDataTable & GenBase::particleTable ( ) const
inlineinherited

Get a particle data table.

Definition at line 118 of file GenBase.h.

118 {
119 return *(m_ppSvc->PDT());
120 }
ServiceHandle< IPartPropSvc > m_ppSvc
Handle on the particle property service.
Definition GenBase.h:160

◆ partPropSvc()

const ServiceHandle< IPartPropSvc > GenBase::partPropSvc ( ) const
inlineinherited

Access the particle property service.

Definition at line 113 of file GenBase.h.

113 {
114 return m_ppSvc;
115 }

◆ pdt()

const HepPDT::ParticleDataTable & GenBase::pdt ( ) const
inlineinherited

Shorter alias to get a particle data table.

Definition at line 123 of file GenBase.h.

123{ return particleTable(); }
const HepPDT::ParticleDataTable & particleTable() const
Get a particle data table.
Definition GenBase.h:118

◆ 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< Algorithm > >::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< Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray)
inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

364 {
366 }

◆ sysInitialize()

StatusCode AthAlgorithm::sysInitialize ( )
overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Algorithm > >.

Reimplemented in AthAnalysisAlgorithm, AthFilterAlgorithm, AthHistogramAlgorithm, and PyAthena::Alg.

Definition at line 66 of file AthAlgorithm.cxx.

66 {
68
69 if (sc.isFailure()) {
70 return sc;
71 }
72 ServiceHandle<ICondSvc> cs("CondSvc",name());
73 for (auto h : outputHandles()) {
74 if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
75 // do this inside the loop so we don't create the CondSvc until needed
76 if ( cs.retrieve().isFailure() ) {
77 ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
78 return StatusCode::SUCCESS;
79 }
80 if (cs->regHandle(this,*h).isFailure()) {
81 sc = StatusCode::FAILURE;
82 ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
83 << " with CondSvc");
84 }
85 }
86 }
87 return sc;
88}
virtual StatusCode sysInitialize() override
Override sysInitialize.
AthCommonDataStore(const std::string &name, T... args)
virtual std::vector< Gaudi::DataHandle * > outputHandles() const override

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Algorithm > >::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< Algorithm > >::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_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore
privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_diphoton_deltaRmax

double DiPhotonFilter::m_diphoton_deltaRmax
private

Definition at line 28 of file DiPhotonFilter.h.

◆ m_diphoton_deltaRmin

double DiPhotonFilter::m_diphoton_deltaRmin
private

Definition at line 27 of file DiPhotonFilter.h.

◆ m_diphoton_massmax

double DiPhotonFilter::m_diphoton_massmax
private

Definition at line 30 of file DiPhotonFilter.h.

◆ m_diphoton_massmin

double DiPhotonFilter::m_diphoton_massmin
private

Definition at line 29 of file DiPhotonFilter.h.

◆ m_diphoton_PtMax

double DiPhotonFilter::m_diphoton_PtMax
private

Definition at line 32 of file DiPhotonFilter.h.

◆ m_diphoton_PtMin

double DiPhotonFilter::m_diphoton_PtMin
private

Definition at line 31 of file DiPhotonFilter.h.

◆ m_EtaRange_1st

double DiPhotonFilter::m_EtaRange_1st
private

Definition at line 22 of file DiPhotonFilter.h.

◆ m_EtaRange_2nd

double DiPhotonFilter::m_EtaRange_2nd
private

Definition at line 24 of file DiPhotonFilter.h.

◆ m_EtaRange_others

double DiPhotonFilter::m_EtaRange_others
private

Definition at line 26 of file DiPhotonFilter.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore
privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthAlgorithm::m_extendedExtraObjects
privateinherited

Definition at line 79 of file AthAlgorithm.h.

◆ m_mcEventKey

std::string GenBase::m_mcEventKey {}
protectedinherited

StoreGate key for the MC event collection (defaults to GEN_EVENT)

Definition at line 137 of file GenBase.h.

137{};

◆ m_mcevents_const

SG::ReadHandleKey<McEventCollection> GenBase::m_mcevents_const { this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" }
privateinherited

Const handle to the MC event collection.

Definition at line 163 of file GenBase.h.

163{ this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" };

◆ m_mkMcEvent

BooleanProperty GenBase::m_mkMcEvent {this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"}
protectedinherited

Flag to determine if a new MC event collection should be made if it doesn't exist.

Definition at line 139 of file GenBase.h.

139{this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"};

◆ m_nFail

int GenFilter::m_nFail
protectedinherited

Definition at line 66 of file GenFilter.h.

◆ m_nNeeded

int GenFilter::m_nNeeded
protectedinherited

Definition at line 67 of file GenFilter.h.

◆ m_nPass

int GenFilter::m_nPass
protectedinherited

Definition at line 65 of file GenFilter.h.

◆ m_ppSvc

ServiceHandle<IPartPropSvc> GenBase::m_ppSvc {this, "PartPropSvc", "PartPropSvc"}
privateinherited

Handle on the particle property service.

Definition at line 160 of file GenBase.h.

160{this, "PartPropSvc", "PartPropSvc"};

◆ m_Ptmin_1st

double DiPhotonFilter::m_Ptmin_1st
private

Definition at line 21 of file DiPhotonFilter.h.

◆ m_Ptmin_2nd

double DiPhotonFilter::m_Ptmin_2nd
private

Definition at line 23 of file DiPhotonFilter.h.

◆ m_Ptmin_others

double DiPhotonFilter::m_Ptmin_others
private

Definition at line 25 of file DiPhotonFilter.h.

◆ m_use1st2ndPhotonsforMassAndDeltaRCuts

bool DiPhotonFilter::m_use1st2ndPhotonsforMassAndDeltaRCuts
private

Definition at line 33 of file DiPhotonFilter.h.

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Algorithm > >::m_varHandleArraysDeclared
privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Algorithm > >::m_vhka
privateinherited

Definition at line 398 of file AthCommonDataStore.h.


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