 |
ATLAS Offline Software
|
#include <DiTauOnnxDiscriminantTool.h>
|
| DiTauOnnxDiscriminantTool (const std::string &type, const std::string &name, const IInterface *parent) |
|
virtual | ~DiTauOnnxDiscriminantTool () |
|
virtual StatusCode | initialize () override |
| Tool initializer. More...
|
|
virtual StatusCode | finalize () override |
| Finalizer. More...
|
|
virtual StatusCode | execute (DiTauCandidateData *data, const EventContext &ctx) const override |
| Execute - called for each Ditau candidate. More...
|
|
virtual StatusCode | eventInitialize (DiTauCandidateData *data) |
| Event initializer - called at the beginning of each event. More...
|
|
template<class T > |
bool | retrieveTool (T &tool) |
| Convenience functions to handle storegate objects. More...
|
|
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, V, H > &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 |
|
|
Ort::Value | create_tensor (std::vector< float > &data, const std::vector< int64_t > &shape) const |
|
InferenceOutput | run_inference (OnnxInputs &inputs) const |
|
std::vector< float > | flatten (const std::vector< std::vector< float >> &vec_2d) const |
|
std::vector< float > | extract_points (const std::vector< std::vector< float >> &track_features) const |
|
std::vector< float > | create_mask (const std::vector< std::vector< float >> &track_features) const |
|
float | GetDiTauObjOnnxScore (const xAOD::DiTauJet &ditau) const |
|
Gaudi::Details::PropertyBase & | declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &) |
| specialization for handling Gaudi::Property<SG::VarHandleKey> More...
|
|
Gaudi::Details::PropertyBase & | declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyArrayType &) |
| specialization for handling Gaudi::Property<SG::VarHandleKeyArray> More...
|
|
Gaudi::Details::PropertyBase & | declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleType &) |
| specialization for handling Gaudi::Property<SG::VarHandleBase> More...
|
|
Gaudi::Details::PropertyBase & | declareGaudiProperty (Gaudi::Property< T, V, H > &t, const SG::NotHandleType &) |
| specialization for handling everything that's not a Gaudi::Property<SG::VarHandleKey> or a <SG::VarHandleKeyArray> More...
|
|
|
Gaudi::Property< std::string > | m_onnxModelPath {this, "onnxModelPath", "TrigTauRec/00-11-02/dev/boosted_ditau_omni_model.onnx"} |
|
Gaudi::Property< size_t > | m_maxTracks {this, "maxTracks", 10} |
|
std::unique_ptr< Ort::Env > | m_ort_env |
|
std::unique_ptr< Ort::Session > | m_ort_session |
|
const std::vector< std::string > | m_input_node_names = {"input_features", "input_points", "input_mask", "input_jet", "input_time"} |
|
const std::vector< std::string > | m_output_node_names = {"output_1", "output_2"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_ditau_pt_DecorKey { this, "DiTauPtDecorName", "DiTauJets.ditau_pt", "Name of the DiTau Pt decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_f_core_lead_DecorKey { this, "DiTauFCoreLeadName", "DiTauJets.f_core_lead", "Name of the Ditau leading subjet core energy fraction decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_f_core_sublead_DecorKey { this, "DiTauFCoreSubLeadName", "DiTauJets.f_core_subl", "Name of the Ditau subleading subjet core energy fraction decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_f_subjet_subl_DecorKey { this, "DiTauSubjetSublName", "DiTauJets.f_subjet_subl", "Name of the Ditau subleading subjet pt fraction decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_f_subjets_DecorKey { this, "DiTauSubjetsName", "DiTauJets.f_subjets", "Name of the DiTau subjets fraction decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_R_max_lead_DecorKey { this, "DiTauRMaxLeadName", "DiTauJets.R_max_lead", "Name of the Ditau Max dR distance track from leading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_R_max_sublead_DecorKey { this, "DiTauRMaxSubleadName", "DiTauJets.R_max_subl", "Name of the Ditau Max dR distance track from subleading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_n_track_DecorKey { this, "DiTauNTrackName", "DiTauJets.n_track", "Name of the Ditau number of tracks decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_R_track_all_DecorKey { this, "DiTauRTrackAllName", "DiTauJets.R_track_all", "Name of the Ditau DeltaR tracks over pt in the large region decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_R_isotrack_DecorKey { this, "DiTauRIsoTrackAllName", "DiTauJets.R_isotrack", "Name of the Ditau DeltaR isolated tracks over pt decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_R_track_sublead_DecorKey { this, "DiTauRTrackSubleadName", "DiTauJets.R_tracks_subl", "Name of the Ditau DeltaR tracks over pt in the large region of the subleading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_M_core_lead_DecorKey { this, "DiTauMCoreLeadName", "DiTauJets.m_core_lead", "Name of the Ditau mass of tracks in the core region of the leading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_M_core_sublead_DecorKey { this, "DiTauMCoreSubleadName", "DiTauJets.m_core_subl", "Name of the Ditau mass of tracks in the core region of the leading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_M_track_lead_DecorKey { this, "DiTauMTrackLeadName", "DiTauJets.m_tracks_lead", "Name of the Ditau mass of tracks in the leading subjet decoration"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_d0_leadtrack_lead_DecorKey { this, "DiTauD0LeadTrackLeadName", "DiTauJets.d0_leadtrack_lead", "Name of the DiTau dR between the leading track within the lead subjet with respect to the lead subjet"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_d0_leadtrack_sublead_DecorKey { this, "DiTauD0SubleadTrackLeadName", "DiTauJets.d0_leadtrack_subl", "Name of the DiTau dR between the leading track within the sublead subjet with respect to the sublead subjet"} |
|
SG::ReadDecorHandleKey< xAOD::DiTauJetContainer > | m_f_isotracks_DecorKey { this, "DiTauFIsotracks", "DiTauJets.f_isotracks", "Name of the DiTau energy fraction carried by isolated tracks"} |
|
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 |
|
◆ StoreGateSvc_t
◆ DiTauOnnxDiscriminantTool()
DiTauOnnxDiscriminantTool::DiTauOnnxDiscriminantTool |
( |
const std::string & |
type, |
|
|
const std::string & |
name, |
|
|
const IInterface * |
parent |
|
) |
| |
◆ ~DiTauOnnxDiscriminantTool()
DiTauOnnxDiscriminantTool::~DiTauOnnxDiscriminantTool |
( |
| ) |
|
|
virtualdefault |
◆ create_mask()
std::vector< float > DiTauOnnxDiscriminantTool::create_mask |
( |
const std::vector< std::vector< float >> & |
track_features | ) |
const |
|
private |
◆ create_tensor()
Ort::Value DiTauOnnxDiscriminantTool::create_tensor |
( |
std::vector< float > & |
data, |
|
|
const std::vector< int64_t > & |
shape |
|
) |
| const |
|
private |
Definition at line 111 of file src/DiTauOnnxDiscriminantTool.cxx.
112 Ort::MemoryInfo memory_info = Ort::MemoryInfo::CreateCpu(OrtArenaAllocator, OrtMemTypeDefault);
113 return Ort::Value::CreateTensor<float>(memory_info,
data.data(),
data.size(),shape.data(), shape.size());
◆ declareGaudiProperty() [1/4]
specialization for handling Gaudi::Property<SG::VarHandleKeyArray>
Definition at line 170 of file AthCommonDataStore.h.
175 hndl.documentation());
◆ declareGaudiProperty() [2/4]
specialization for handling Gaudi::Property<SG::VarHandleKey>
Definition at line 156 of file AthCommonDataStore.h.
161 hndl.documentation());
◆ declareGaudiProperty() [3/4]
specialization for handling Gaudi::Property<SG::VarHandleBase>
Definition at line 184 of file AthCommonDataStore.h.
189 hndl.documentation());
◆ declareGaudiProperty() [4/4]
◆ declareProperty() [1/6]
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.
250 this->declare(hndl.
vhKey());
251 hndl.
vhKey().setOwner(
this);
253 return PBASE::declareProperty(
name,hndl,
doc);
◆ declareProperty() [2/6]
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.
229 return PBASE::declareProperty(
name,hndl,
doc);
◆ declareProperty() [3/6]
◆ declareProperty() [4/6]
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.
338 return PBASE::declareProperty(
name, property,
doc);
◆ declareProperty() [5/6]
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.
◆ declareProperty() [6/6]
◆ detStore()
◆ eventInitialize()
Event initializer - called at the beginning of each event.
Definition at line 32 of file DiTauToolBase.cxx.
34 return StatusCode::SUCCESS;
◆ evtStore() [1/2]
◆ evtStore() [2/2]
◆ execute()
◆ extract_points()
std::vector< float > DiTauOnnxDiscriminantTool::extract_points |
( |
const std::vector< std::vector< float >> & |
track_features | ) |
const |
|
private |
◆ extraDeps_update_handler()
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 DiTauOnnxDiscriminantTool::finalize |
( |
| ) |
|
|
overridevirtual |
◆ flatten()
std::vector< float > DiTauOnnxDiscriminantTool::flatten |
( |
const std::vector< std::vector< float >> & |
vec_2d | ) |
const |
|
private |
◆ GetDiTauObjOnnxScore()
Definition at line 145 of file src/DiTauOnnxDiscriminantTool.cxx.
170 std::vector<float> jet_vars = {
171 R_max_leadAcc (ditau),
172 R_max_sublAcc (ditau),
173 R_tracks_sublAcc (ditau),
174 R_isotrackAcc (ditau),
175 d0_leadtrack_leadAcc (ditau),
176 d0_leadtrack_sublAcc (ditau),
177 f_core_leadAcc (ditau),
178 f_core_sublAcc (ditau),
179 f_subjet_sublAcc (ditau),
181 f_isotracksAcc (ditau),
182 M_core_leadAcc (ditau),
183 M_core_sublAcc (ditau),
184 M_tracks_leadAcc (ditau),
185 static_cast<float>( n_trackAcc (ditau)),
187 std::vector<int64_t> jet_shape = {1,
static_cast<int64_t
>(jet_vars.size())};
190 std::vector<std::vector<float>> track_features(
m_maxTracks, std::vector<float>(11, 0.0
f));
192 float jet_eta = ditau.
eta();
196 for (
size_t i = 0;
i < num_tracks; ++
i) {
198 if (!trackLink.
isValid())
continue;
200 float track_eta = xTrack->
eta();
201 float track_phi = xTrack->
phi();
202 float delta_eta = track_eta - jet_eta;
205 float track_pt =
static_cast<float>(xTrack->
pt());
207 float jet_pt = ditau_ptAcc(ditau);
208 float pt_ratio = track_pt / jet_pt;
209 float pt_ratio_log = (pt_ratio <= 1.0f) ?
std::log(1.0
f - pt_ratio + 1
e-8
f) : 0.0f;
210 float track_charge = xTrack->
charge();
212 track_features[
i] = {
220 static_cast<float>(numberOfInrmstPxlLyrHitsAcc(*xTrack)),
221 static_cast<float>(numberOfPixelHitsAcc(*xTrack)),
222 static_cast<float>(numberOfSCTHitsAcc(*xTrack)),
226 std::vector<int64_t> track_shape = {1,
static_cast<int64_t
>(
m_maxTracks), 11};
233 {1, track_shape[1], 2},
237 std::move(jet_shape),
242 return output.output_1[1];
◆ initialize()
StatusCode DiTauOnnxDiscriminantTool::initialize |
( |
| ) |
|
|
overridevirtual |
Tool initializer.
Reimplemented from DiTauToolBase.
Definition at line 30 of file src/DiTauOnnxDiscriminantTool.cxx.
32 ATH_MSG_INFO(
"Initializing DiTauOnnxDiscriminantTool" );
52 if (model_path.empty()) {
54 return StatusCode::FAILURE;
56 m_ort_env = std::make_unique<Ort::Env>(ORT_LOGGING_LEVEL_WARNING,
"OnnxUtil");
57 Ort::SessionOptions session_options;
58 session_options.SetIntraOpNumThreads(1);
59 session_options.SetGraphOptimizationLevel(GraphOptimizationLevel::ORT_ENABLE_EXTENDED);
61 return StatusCode::SUCCESS;
◆ inputHandles()
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.
10 return DiTauToolBaseID;
◆ msg() [1/2]
◆ msg() [2/2]
◆ msgLvl()
◆ outputHandles()
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()
◆ renounceArray()
◆ retrieveTool()
template<class T >
bool DiTauToolBase::retrieveTool |
( |
T & |
tool | ) |
|
|
inherited |
Convenience functions to handle storegate objects.
Definition at line 54 of file DiTauToolBase.cxx.
55 if (
tool.retrieve().isFailure()) {
◆ run_inference()
Definition at line 116 of file src/DiTauOnnxDiscriminantTool.cxx.
117 std::vector<Ort::Value> input_tensors;
125 std::vector<const char *> input_node_names;
129 std::vector<const char *> output_node_names;
133 auto output_tensors =
m_ort_session->Run(Ort::RunOptions{
nullptr}, input_node_names.data(), input_tensors.data(), input_node_names.size(), output_node_names.data(), output_node_names.size());
136 for (
size_t i = 0;
i < output_tensors.size(); ++
i) {
137 const auto &tensor = output_tensors[
i];
138 const size_t length = tensor.GetTensorTypeAndShapeInfo().GetElementCount();
139 const float *
data = tensor.GetTensorData<
float>();
◆ sysInitialize()
◆ sysStart()
Handle START transition.
We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.
◆ updateVHKA()
◆ m_d0_leadtrack_lead_DecorKey
SG::ReadDecorHandleKey<xAOD::DiTauJetContainer> DiTauOnnxDiscriminantTool::m_d0_leadtrack_lead_DecorKey { this, "DiTauD0LeadTrackLeadName", "DiTauJets.d0_leadtrack_lead", "Name of the DiTau dR between the leading track within the lead subjet with respect to the lead subjet"} |
|
private |
◆ m_d0_leadtrack_sublead_DecorKey
SG::ReadDecorHandleKey<xAOD::DiTauJetContainer> DiTauOnnxDiscriminantTool::m_d0_leadtrack_sublead_DecorKey { this, "DiTauD0SubleadTrackLeadName", "DiTauJets.d0_leadtrack_subl", "Name of the DiTau dR between the leading track within the sublead subjet with respect to the sublead subjet"} |
|
private |
◆ m_detStore
◆ m_ditau_pt_DecorKey
◆ m_evtStore
◆ m_f_core_lead_DecorKey
◆ m_f_core_sublead_DecorKey
◆ m_f_isotracks_DecorKey
◆ m_f_subjet_subl_DecorKey
◆ m_f_subjets_DecorKey
◆ m_input_node_names
const std::vector<std::string> DiTauOnnxDiscriminantTool::m_input_node_names = {"input_features", "input_points", "input_mask", "input_jet", "input_time"} |
|
private |
◆ m_M_core_lead_DecorKey
◆ m_M_core_sublead_DecorKey
SG::ReadDecorHandleKey<xAOD::DiTauJetContainer> DiTauOnnxDiscriminantTool::m_M_core_sublead_DecorKey { this, "DiTauMCoreSubleadName", "DiTauJets.m_core_subl", "Name of the Ditau mass of tracks in the core region of the leading subjet decoration"} |
|
private |
◆ m_M_track_lead_DecorKey
◆ m_maxTracks
Gaudi::Property<size_t> DiTauOnnxDiscriminantTool::m_maxTracks {this, "maxTracks", 10} |
|
private |
◆ m_n_track_DecorKey
◆ m_onnxModelPath
Gaudi::Property<std::string> DiTauOnnxDiscriminantTool::m_onnxModelPath {this, "onnxModelPath", "TrigTauRec/00-11-02/dev/boosted_ditau_omni_model.onnx"} |
|
private |
◆ m_ort_env
std::unique_ptr<Ort::Env> DiTauOnnxDiscriminantTool::m_ort_env |
|
private |
◆ m_ort_session
std::unique_ptr<Ort::Session> DiTauOnnxDiscriminantTool::m_ort_session |
|
private |
◆ m_output_node_names
const std::vector<std::string> DiTauOnnxDiscriminantTool::m_output_node_names = {"output_1", "output_2"} |
|
private |
◆ m_R_isotrack_DecorKey
◆ m_R_max_lead_DecorKey
◆ m_R_max_sublead_DecorKey
◆ m_R_track_all_DecorKey
◆ m_R_track_sublead_DecorKey
SG::ReadDecorHandleKey<xAOD::DiTauJetContainer> DiTauOnnxDiscriminantTool::m_R_track_sublead_DecorKey { this, "DiTauRTrackSubleadName", "DiTauJets.R_tracks_subl", "Name of the Ditau DeltaR tracks over pt in the large region of the subleading subjet decoration"} |
|
private |
◆ m_varHandleArraysDeclared
◆ m_vhka
The documentation for this class was generated from the following files:
virtual double pt() const override final
The transverse momentum ( ) of the particle.
char data[hepevt_bytes_allocation_ATLAS]
float charge() const
Returns the charge.
virtual double eta() const override final
The pseudorapidity ( ) of the particle.
def delta_R(eta1, phi1, eta2, phi2)
StoreGateSvc_t m_evtStore
Pointer to StoreGate (event store by default)
std::vector< SG::VarHandleKeyArray * > m_vhka
virtual double eta() const
The pseudorapidity ( ) of the particle.
#define ATH_MSG_VERBOSE(x)
bool isValid() const
Test to see if the link can be dereferenced.
virtual void setOwner(IDataHandleHolder *o)=0
Gaudi::Details::PropertyBase & declareGaudiProperty(Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
specialization for handling Gaudi::Property<SG::VarHandleKey>
virtual double phi() const
The azimuthal angle ( ) of the particle.
Handle class for reading a decoration on an object.
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T, V, H > &t)
Amg::Vector3D transform(Amg::Vector3D &v, Amg::Transform3D &tr)
Transform a point from a Trasformation3D.
StoreGateSvc_t m_detStore
Pointer to StoreGate (detector store by default)
virtual void renounce()=0
std::conditional< std::is_base_of< SG::VarHandleKeyArray, T >::value, VarHandleKeyArrayType, type2 >::type type
std::vector< std::string > remainder(const std::vector< std::string > &v1, const std::vector< std::string > &v2)
std::string PathResolverFindCalibFile(const std::string &logical_file_name)
bool pt_log(const xAOD::TauJet &, const xAOD::TauTrack &track, double &out)
def delta_phi(phi1, phi2)
SG::VarHandleKey & vhKey()
Return a non-const reference to the HandleKey.
Class describing a TrackParticle.
const TrackParticleLinks_t & trackLinks() const
virtual double phi() const override final
The azimuthal angle ( ) of the particle (has range to .)