#include <GlobalChiSquareFitterTool.h>

Inheritance diagram for ActsTrk::GlobalChiSquareFitterTool:

Public Types
using	StraightPropagator_t = Acts::Propagator<Acts::StraightLineStepper, Acts::Navigator>
	Type erased track fitter function.
using	CurvedPropagator_t = Acts::Propagator<Acts::EigenStepper<>, Acts::Navigator>
using	StraightFitter_t = Acts::Experimental::Gx2Fitter<StraightPropagator_t, MutableTrackStateBackend>
using	CurvedFitter_t = Acts::Experimental::Gx2Fitter<CurvedPropagator_t, MutableTrackStateBackend>
using	Gx2FitterOptions_t = Acts::Experimental::Gx2FitterOptions<MutableTrackStateBackend>
	Abbrivation of the configuration to launch the fit.
using	Gx2FitterExtension_t = Acts::Experimental::Gx2FitterExtensions<MutableTrackStateBackend>
	Abbrivation of the fitter extensions.

Public Member Functions
virtual	~GlobalChiSquareFitterTool ()=default
virtual StatusCode	initialize () override
virtual std::unique_ptr< MutableTrackContainer >	fit (const std::vector< const xAOD::UncalibratedMeasurement * > &clusterList, const Acts::BoundTrackParameters &initialParams, const Acts::GeometryContext &tgContext, const Acts::MagneticFieldContext &mfContext, const Acts::CalibrationContext &calContext, const Acts::Surface *targetSurface=nullptr) const override
	fit a set of xAOD uncalibrated Measurements
virtual std::unique_ptr< MutableTrackContainer >	fit (const Seed &seed, const Acts::BoundTrackParameters &initialParams, const Acts::GeometryContext &tgContext, const Acts::MagneticFieldContext &mfContext, const Acts::CalibrationContext &calContext, const Acts::Surface &targetSurface) const override
	Acts seed fit.
virtual StatusCode	fit (const EventContext &ctx, const TrackContainer::ConstTrackProxy &track, MutableTrackContainer &trackContainer, const Acts::PerigeeSurface &pSurface) const override
virtual std::unique_ptr< MutableTrackContainer >	fit (const std::vector< Acts::SourceLink > &sourceLinks, const Acts::BoundTrackParameters &initialParams, const Acts::GeometryContext &tgContext, const Acts::MagneticFieldContext &mfContext, const Acts::CalibrationContext &calContext, const Acts::Surface *targetSurface=nullptr) const override
	fit a set of source links

Private Types
using	TrackState_t = MutableTrackStateBackend::TrackStateProxy
	Abrivate the track state proxy.
using	xAODItkCalibrator_t = detail::OnTrackCalibrator<ActsTrk::MutableTrackStateBackend>
	Calibrator of the ID / ITk measurements.

Private Member Functions
Gx2FitterOptions_t	configureFit (const Acts::GeometryContext &tgContext, const Acts::MagneticFieldContext &mfContext, const Acts::CalibrationContext &calContext, const Acts::Surface *surface, detail::SourceLinkType slType) const
	Helper method to pack the last information (Calibration, Alignment, B-Field, etc.) for the fit.
const Acts::Logger &	logger () const
	Private access to the logger.

Private Attributes
ServiceHandle< ActsTrk::ITrackingGeometrySvc >	m_trackingGeometrySvc {this, "TrackingGeometrySvc", "ActsTrackingGeometrySvc"}
PublicToolHandle< IGeometryRealmConvTool >	m_geometryConvTool {this, "GeometryRealmConvTool", ""}
ToolHandle< MuonR4::ISpacePointCalibrator >	m_muonCalibrator {this, "MuonCalibrationTool", ""}
ToolHandle< Trk::IRIO_OnTrackCreator >	m_ROTcreator {this, "RotCreatorTool", ""}
Gaudi::Property< double >	m_option_outlierChi2Cut {this, "OutlierChi2Cut", 12.5}
	Chi2 cut used by the outlier finder.
Gaudi::Property< unsigned >	m_option_maxPropagationStep {this, "MaxPropagationStep", 5000}
	Maximum number of steps per propagation call.
Gaudi::Property< unsigned >	m_option_maxNavSurfaces {this, "MaxSurfacesPerNavStep", 100}
	Number of maximum surfaces to be tried before the navigrator aborts.
Gaudi::Property< bool >	m_option_includeELoss {this, "IncludeELoss", true}
	Consider particle's energy loss in the fit.
Gaudi::Property< bool >	m_option_includeScat {this, "IncludeScattering", true}
	Consider multiple scattering of the particle.
Gaudi::Property< bool >	m_doStraightLine {this, "DoStraightLine" , false}
	Option to toggle whether a straight line fitter shall be used.
Gaudi::Property< bool >	m_doJacobianCorr {this, "DoFreeToBoundCorrection", false }
	Account for non linear effects from free -> bound jacobian.
Gaudi::Property< unsigned >	m_nIterMax {this, "MaxIterations", 5}
	Number of iterations a fit may take.
detail::TrkMeasurementCalibrator	m_trkMeasCalibrator {}
	Pass through calibrator of the Trk::MeasurementBase objects from the TrackState container.
detail::TrkPrepRawDataCalibrator	m_prdCalibrator {}
	Calibrator of the uncalibrated Trk::PrepRawData objects to RIO_OnTrack objects.
detail::TrkMeasSurfaceAccessor	m_trkMeasSurfAcc {}
	Surface accessor delegate for Trk::MeasurementBase objects.
detail::TrkPrepRawDataSurfaceAcc	m_prdSurfaceAcc {}
	Surface accessor delegate for Trk::PrepRawData objects.
detail::xAODUncalibMeasSurfAcc	m_unalibMeasSurfAcc {}
	Surface accessor delegate for xAOD::UncalibratedMeasurement objects.
detail::xAODUncalibMeasCalibrator	m_uncalibMeasCalibrator {}
	Calibrator for the uncalibrated xAOD::UnCalibratedMeasurement objects.
xAODItkCalibrator_t	m_idCalibrator {}
std::array< Gx2FitterExtension_t, s_nExtensions >	m_gx2fExtensions {}
std::unique_ptr< CurvedFitter_t >	m_fitter {nullptr}
	The underlying curved Acts fitter.
std::unique_ptr< StraightFitter_t >	m_slFitter {nullptr}
	The underlying straight line Acts fitter.
detail::FitterHelperFunctions::ATLASOutlierFinder	m_outlierFinder {0}
std::unique_ptr< const Acts::Logger >	m_logger
	logging instance

Static Private Attributes
static constexpr unsigned	s_nExtensions = static_cast<unsigned>(detail::SourceLinkType::nTypes)
	Array of all configured fitter extensions depending on which source link type is in use.

Detailed Description

Definition at line 45 of file GlobalChiSquareFitterTool.h.

Member Typedef Documentation

◆ CurvedFitter_t

using ActsTrk::GlobalChiSquareFitterTool::CurvedFitter_t = Acts::Experimental::Gx2Fitter<CurvedPropagator_t, MutableTrackStateBackend>

Definition at line 101 of file GlobalChiSquareFitterTool.h.

◆ CurvedPropagator_t

using ActsTrk::GlobalChiSquareFitterTool::CurvedPropagator_t = Acts::Propagator<Acts::EigenStepper<>, Acts::Navigator>

Definition at line 98 of file GlobalChiSquareFitterTool.h.

◆ Gx2FitterExtension_t

using ActsTrk::GlobalChiSquareFitterTool::Gx2FitterExtension_t = Acts::Experimental::Gx2FitterExtensions<MutableTrackStateBackend>

Abbrivation of the fitter extensions.

Definition at line 106 of file GlobalChiSquareFitterTool.h.

◆ Gx2FitterOptions_t

using ActsTrk::GlobalChiSquareFitterTool::Gx2FitterOptions_t = Acts::Experimental::Gx2FitterOptions<MutableTrackStateBackend>

Abbrivation of the configuration to launch the fit.

Definition at line 104 of file GlobalChiSquareFitterTool.h.

◆ StraightFitter_t

using ActsTrk::GlobalChiSquareFitterTool::StraightFitter_t = Acts::Experimental::Gx2Fitter<StraightPropagator_t, MutableTrackStateBackend>

Definition at line 100 of file GlobalChiSquareFitterTool.h.

◆ StraightPropagator_t

using ActsTrk::GlobalChiSquareFitterTool::StraightPropagator_t = Acts::Propagator<Acts::StraightLineStepper, Acts::Navigator>

Type erased track fitter function.

Definition at line 97 of file GlobalChiSquareFitterTool.h.

◆ TrackState_t

using ActsTrk::GlobalChiSquareFitterTool::TrackState_t = MutableTrackStateBackend::TrackStateProxy

private

Abrivate the track state proxy.

Definition at line 110 of file GlobalChiSquareFitterTool.h.

◆ xAODItkCalibrator_t

using ActsTrk::GlobalChiSquareFitterTool::xAODItkCalibrator_t = detail::OnTrackCalibrator<ActsTrk::MutableTrackStateBackend>

private

Calibrator of the ID / ITk measurements.

Definition at line 162 of file GlobalChiSquareFitterTool.h.

Constructor & Destructor Documentation

◆ ~GlobalChiSquareFitterTool()

virtual ActsTrk::GlobalChiSquareFitterTool::~GlobalChiSquareFitterTool ( )

virtualdefault

Member Function Documentation

◆ configureFit()

GlobalChiSquareFitterTool::Gx2FitterOptions_t ActsTrk::GlobalChiSquareFitterTool::configureFit	(	const Acts::GeometryContext &	tgContext,
		const Acts::MagneticFieldContext &	mfContext,
		const Acts::CalibrationContext &	calContext,
		const Acts::Surface *	surface,
		detail::SourceLinkType	slType ) const

private

Helper method to pack the last information (Calibration, Alignment, B-Field, etc.) for the fit.

The parsed context objects need to prevail the call of the fit

Parameters

tgContext	Reference to the geometry context
mfContext	Reference to the passed magnetic field context
calContext	Reference to the calibration context
surface	Target surface on which the fit result is expressed.
slType	Switch of which source link type shall be used to access the surfaces from the measurements & for calibration

Definition at line 107 of file GlobalChiSquareFitterTool.cxx.

                                                                               {
    Acts::PropagatorPlainOptions propagationOption{tgContext, mfContext};
    propagationOption.maxSteps = m_option_maxPropagationStep;
    propagationOption.maxTargetSkipping = m_option_maxNavSurfaces;
    // Set the Gx2Fitter options
    return Gx2FitterOptions_t{tgContext, mfContext, calContext, 
                              m_gx2fExtensions.at(Acts::toUnderlying(slType)), //slType can be 3
                              std::move(propagationOption),
                              surface, m_option_includeScat, 
                              m_option_includeELoss,
                              Acts::FreeToBoundCorrection{m_doJacobianCorr},
                              m_nIterMax};                           
}

◆ fit() [1/4]

StatusCode ActsTrk::GlobalChiSquareFitterTool::fit	(	const EventContext &	ctx,
		const TrackContainer::ConstTrackProxy &	track,
		MutableTrackContainer &	trackContainer,
		const Acts::PerigeeSurface &	pSurface ) const

overridevirtual

Definition at line 159 of file GlobalChiSquareFitterTool.cxx.

{
  ATH_MSG_ERROR("Track refit method not implemented in GlobalChiSquareFitterTool yet");
  return StatusCode::FAILURE;
}

◆ fit() [2/4]

std::unique_ptr< MutableTrackContainer > ActsTrk::GlobalChiSquareFitterTool::fit	(	const Seed &	seed,
		const Acts::BoundTrackParameters &	initialParams,
		const Acts::GeometryContext &	tgContext,
		const Acts::MagneticFieldContext &	mfContext,
		const Acts::CalibrationContext &	calContext,
		const Acts::Surface &	targetSurface ) const

overridevirtual

Acts seed fit.

Definition at line 141 of file GlobalChiSquareFitterTool.cxx.

                                            {
  
  std::vector<const xAOD::UncalibratedMeasurement*> sourceLinks;
  sourceLinks.reserve(6);
  
  for (const xAOD::SpacePoint* sp : seed.sp()) {
    sourceLinks.insert(sourceLinks.end(), sp->measurements().begin(), sp->measurements().end());
  }
  return fit(sourceLinks, initialParams, tgContext, mfContext, calContext, &targetSurface);
}

◆ fit() [3/4]

std::unique_ptr< MutableTrackContainer > ActsTrk::GlobalChiSquareFitterTool::fit	(	const std::vector< Acts::SourceLink > &	sourceLinks,
		const Acts::BoundTrackParameters &	initialParams,
		const Acts::GeometryContext &	tgContext,
		const Acts::MagneticFieldContext &	mfContext,
		const Acts::CalibrationContext &	calContext,
		const Acts::Surface *	targetSurface = nullptr ) const

overridevirtual

fit a set of source links

Definition at line 170 of file GlobalChiSquareFitterTool.cxx.

                                                                       {
  if (sourceLinks.empty()) {
      ATH_MSG_DEBUG("No measurements given. Nothing to do");
      return nullptr;
  }
  // Construct a perigee surface as the target surface
  std::shared_ptr<Acts::Surface> pSurface{};
  if (!targetSurface) {
    pSurface = Acts::Surface::makeShared<Acts::PerigeeSurface>(Acts::Vector3::Zero());
    targetSurface = pSurface.get();
  }
 
  detail::SourceLinkType slType = detail::MeasurementCalibratorBase::getType(sourceLinks.front());
 
  Gx2FitterOptions_t kfOptions = configureFit(tgContext, mfContext, calContext, 
                                              targetSurface, slType);
 
  ActsTrk::MutableTrackBackend trackContainerBackEnd;
  ActsTrk::MutableTrackStateBackend multiTrajBackEnd;
  auto tracks = std::make_unique<MutableTrackContainer>(std::move(trackContainerBackEnd),
                                                        std::move(multiTrajBackEnd));
  
  // Perform the fit
  auto result = ATH_LIKELY(m_fitter) 
    ? m_fitter->fit(sourceLinks.begin(), sourceLinks.end(), initialParams, kfOptions, *tracks)
    : m_slFitter->fit(sourceLinks.begin(), sourceLinks.end(), initialParams, kfOptions, *tracks);
 
  if (not result.ok()) {
      ATH_MSG_VERBOSE("Global chi2 fit failed");
      return nullptr;
  }
 
  TrackContainerUtils::addFitterTypeProperty(*tracks);
  for (auto trkProxy : *tracks) {
    TrackContainerUtils::setFitterType(trkProxy, xAOD::TrackFitter::GlobalChi2Fitter);
  }
 
  return tracks;
}

◆ fit() [4/4]

std::unique_ptr< MutableTrackContainer > ActsTrk::GlobalChiSquareFitterTool::fit	(	const std::vector< const xAOD::UncalibratedMeasurement * > &	clusterList,
		const Acts::BoundTrackParameters &	initialParams,
		const Acts::GeometryContext &	tgContext,
		const Acts::MagneticFieldContext &	mfContext,
		const Acts::CalibrationContext &	calContext,
		const Acts::Surface *	targetSurface = nullptr ) const

overridevirtual

fit a set of xAOD uncalibrated Measurements

Definition at line 127 of file GlobalChiSquareFitterTool.cxx.

                                            {
  
  std::vector<Acts::SourceLink> sourceLinks{};
  detail::MeasurementCalibratorBase::pack(measList, sourceLinks);
 
  return fit(sourceLinks, initialParams, tgContext, mfContext, calContext, targetSurface);
}

◆ initialize()

StatusCode ActsTrk::GlobalChiSquareFitterTool::initialize ( )

overridevirtual

Configure the fit extensions for Trk::MeasuremenBase pass through fits.

Configure the fit extensions for Trk::PrepRawData fits

Needs to be filled with live.

Connect the muon types with the muon calibrator

Definition at line 25 of file GlobalChiSquareFitterTool.cxx.

                                                 {
 
  ATH_MSG_DEBUG(name() << "::" << __FUNCTION__);
  ATH_CHECK(m_trackingGeometrySvc.retrieve());
  ATH_CHECK(m_ROTcreator.retrieve(EnableTool{!m_ROTcreator.empty()}));
  ATH_CHECK(m_geometryConvTool.retrieve());
  ATH_CHECK(m_muonCalibrator.retrieve(EnableTool{!m_muonCalibrator.empty()}));
 
  m_logger = makeActsAthenaLogger(this, "Gx2fRefit");
  if (!m_doStraightLine){
      // Fitter
      CurvedPropagator_t::Stepper stepper{std::make_shared<ATLASMagneticFieldWrapper>()};
      Acts::Navigator::Config navConfig{m_trackingGeometrySvc->trackingGeometry()};
      Acts::Navigator navigator(std::move(navConfig), logger().cloneWithSuffix("Navigator"));
      CurvedPropagator_t propagator{stepper, std::move(navigator), logger().cloneWithSuffix("Prop")};
 
      m_fitter = std::make_unique<CurvedFitter_t>(std::move(propagator), 
                                                  logger().cloneWithSuffix("GlobalChiSquareFitter"));
  } else {
      Acts::StraightLineStepper stepper{};
      Acts::Navigator::Config navConfig{m_trackingGeometrySvc->trackingGeometry()};
      Acts::Navigator navigator(std::move(navConfig), logger().cloneWithSuffix("Navigator"));
      StraightPropagator_t propagator{stepper, std::move(navigator), logger().cloneWithSuffix("Prop")};
 
      m_slFitter = std::make_unique<StraightFitter_t>(std::move(propagator), 
                                                      logger().cloneWithSuffix("GlobalChiSquareFitter"));
  }
 
 
  m_outlierFinder.StateChiSquaredPerNumberDoFCut = m_option_outlierChi2Cut;
 
  Gx2FitterExtension_t extensionTemplate{};
  extensionTemplate.outlierFinder.connect<&detail::FitterHelperFunctions::ATLASOutlierFinder::operator()
                                            <MutableTrackStateBackend>>(&m_outlierFinder);
  extensionTemplate.updater.connect<&detail::FitterHelperFunctions::gainMatrixUpdate<MutableTrackStateBackend>>();
  {
    m_trkMeasCalibrator = detail::TrkMeasurementCalibrator{};
    m_trkMeasSurfAcc = detail::TrkMeasSurfaceAccessor{m_geometryConvTool.get()};
 
    Gx2FitterExtension_t& configureMe = m_gx2fExtensions[Acts::toUnderlying(detail::SourceLinkType::TrkMeasurement)];
    configureMe = extensionTemplate;
    configureMe.calibrator.connect<&detail::TrkMeasurementCalibrator::calibrate<TrackState_t>>(&m_trkMeasCalibrator);
    configureMe.surfaceAccessor.connect<&detail::TrkMeasSurfaceAccessor::operator()>(&m_trkMeasSurfAcc);
  }
  {
    m_prdCalibrator = detail::TrkPrepRawDataCalibrator{m_geometryConvTool.get(), m_ROTcreator.get()};
    m_prdSurfaceAcc = detail::TrkPrepRawDataSurfaceAcc{m_geometryConvTool.get()};
 
    Gx2FitterExtension_t& configureMe = m_gx2fExtensions[Acts::toUnderlying(detail::SourceLinkType::TrkPrepRawData)];
    configureMe = extensionTemplate;
    configureMe.calibrator.connect<&detail::TrkPrepRawDataCalibrator::calibrate<TrackState_t>>(&m_prdCalibrator);
    configureMe.surfaceAccessor.connect<&detail::TrkPrepRawDataSurfaceAcc::operator()>(&m_prdSurfaceAcc);
  }
  {
    m_unalibMeasSurfAcc = detail::xAODUncalibMeasSurfAcc{m_trackingGeometrySvc.get()};
    Gx2FitterExtension_t& configureMe = m_gx2fExtensions[Acts::toUnderlying(detail::SourceLinkType::xAODUnCalibMeas)];
    configureMe = extensionTemplate;
    configureMe.surfaceAccessor.connect<&detail::xAODUncalibMeasSurfAcc::operator()>(&m_unalibMeasSurfAcc);
    configureMe.calibrator.connect<&detail::xAODUncalibMeasCalibrator::calibrate>(&m_uncalibMeasCalibrator);
    m_idCalibrator = xAODItkCalibrator_t::NoCalibration(m_trackingGeometrySvc.get());
    using enum xAOD::UncalibMeasType;
    if (m_muonCalibrator.isEnabled()) {
      for (const auto muonType : {MdtDriftCircleType, RpcStripType, TgcStripType, MMClusterType, sTgcStripType}) {
        m_uncalibMeasCalibrator.connect<&MuonR4::ISpacePointCalibrator::calibrateSourceLink>(muonType, m_muonCalibrator.get());
      }
    }
    for (const auto idType: {PixelClusterType, StripClusterType, HGTDClusterType}) {
      m_uncalibMeasCalibrator.connect<&xAODItkCalibrator_t::calibrate>(idType, &m_idCalibrator);
    }
    
  }
  return StatusCode::SUCCESS;
}

◆ logger()

const Acts::Logger & ActsTrk::GlobalChiSquareFitterTool::logger ( ) const

inlineprivate

Private access to the logger.

Definition at line 176 of file GlobalChiSquareFitterTool.h.

176{ return *m_logger; }

Member Data Documentation

◆ m_doJacobianCorr

Gaudi::Property<bool> ActsTrk::GlobalChiSquareFitterTool::m_doJacobianCorr {this, "DoFreeToBoundCorrection", false }

private

Account for non linear effects from free -> bound jacobian.

Definition at line 146 of file GlobalChiSquareFitterTool.h.

146{this, "DoFreeToBoundCorrection", false };

◆ m_doStraightLine

Gaudi::Property<bool> ActsTrk::GlobalChiSquareFitterTool::m_doStraightLine {this, "DoStraightLine" , false}

private

Option to toggle whether a straight line fitter shall be used.

Definition at line 144 of file GlobalChiSquareFitterTool.h.

144{this, "DoStraightLine" , false};

◆ m_fitter

std::unique_ptr<CurvedFitter_t> ActsTrk::GlobalChiSquareFitterTool::m_fitter {nullptr}

private

The underlying curved Acts fitter.

Definition at line 169 of file GlobalChiSquareFitterTool.h.

169{nullptr};

◆ m_geometryConvTool

PublicToolHandle<IGeometryRealmConvTool> ActsTrk::GlobalChiSquareFitterTool::m_geometryConvTool {this, "GeometryRealmConvTool", ""}

private

Definition at line 127 of file GlobalChiSquareFitterTool.h.

127{this, "GeometryRealmConvTool", ""};

◆ m_gx2fExtensions

std::array<Gx2FitterExtension_t, s_nExtensions> ActsTrk::GlobalChiSquareFitterTool::m_gx2fExtensions {}

private

Definition at line 167 of file GlobalChiSquareFitterTool.h.

167{};

◆ m_idCalibrator

xAODItkCalibrator_t ActsTrk::GlobalChiSquareFitterTool::m_idCalibrator {}

private

Definition at line 163 of file GlobalChiSquareFitterTool.h.

163{};

◆ m_logger

std::unique_ptr<const Acts::Logger> ActsTrk::GlobalChiSquareFitterTool::m_logger

private

logging instance

Definition at line 179 of file GlobalChiSquareFitterTool.h.

◆ m_muonCalibrator

ToolHandle<MuonR4::ISpacePointCalibrator> ActsTrk::GlobalChiSquareFitterTool::m_muonCalibrator {this, "MuonCalibrationTool", ""}

private

Definition at line 129 of file GlobalChiSquareFitterTool.h.

129{this, "MuonCalibrationTool", ""};

◆ m_nIterMax

Gaudi::Property<unsigned> ActsTrk::GlobalChiSquareFitterTool::m_nIterMax {this, "MaxIterations", 5}

private

Number of iterations a fit may take.

Definition at line 148 of file GlobalChiSquareFitterTool.h.

148{this, "MaxIterations", 5};

◆ m_option_includeELoss

Gaudi::Property<bool> ActsTrk::GlobalChiSquareFitterTool::m_option_includeELoss {this, "IncludeELoss", true}

private

Consider particle's energy loss in the fit.

Definition at line 140 of file GlobalChiSquareFitterTool.h.

140{this, "IncludeELoss", true};

◆ m_option_includeScat

Gaudi::Property<bool> ActsTrk::GlobalChiSquareFitterTool::m_option_includeScat {this, "IncludeScattering", true}

private

Consider multiple scattering of the particle.

Definition at line 142 of file GlobalChiSquareFitterTool.h.

142{this, "IncludeScattering", true};

◆ m_option_maxNavSurfaces

Gaudi::Property<unsigned> ActsTrk::GlobalChiSquareFitterTool::m_option_maxNavSurfaces {this, "MaxSurfacesPerNavStep", 100}

private

Number of maximum surfaces to be tried before the navigrator aborts.

Definition at line 138 of file GlobalChiSquareFitterTool.h.

138{this, "MaxSurfacesPerNavStep", 100};

◆ m_option_maxPropagationStep

Gaudi::Property<unsigned> ActsTrk::GlobalChiSquareFitterTool::m_option_maxPropagationStep {this, "MaxPropagationStep", 5000}

private

Maximum number of steps per propagation call.

Definition at line 136 of file GlobalChiSquareFitterTool.h.

136{this, "MaxPropagationStep", 5000};

◆ m_option_outlierChi2Cut

Gaudi::Property<double> ActsTrk::GlobalChiSquareFitterTool::m_option_outlierChi2Cut {this, "OutlierChi2Cut", 12.5}

private

Chi2 cut used by the outlier finder.

Definition at line 134 of file GlobalChiSquareFitterTool.h.

134{this, "OutlierChi2Cut", 12.5};

◆ m_outlierFinder

detail::FitterHelperFunctions::ATLASOutlierFinder ActsTrk::GlobalChiSquareFitterTool::m_outlierFinder {0}

private

Definition at line 173 of file GlobalChiSquareFitterTool.h.

173{0};

◆ m_prdCalibrator

detail::TrkPrepRawDataCalibrator ActsTrk::GlobalChiSquareFitterTool::m_prdCalibrator {}

private

Calibrator of the uncalibrated Trk::PrepRawData objects to RIO_OnTrack objects.

Definition at line 152 of file GlobalChiSquareFitterTool.h.

152{};

◆ m_prdSurfaceAcc

detail::TrkPrepRawDataSurfaceAcc ActsTrk::GlobalChiSquareFitterTool::m_prdSurfaceAcc {}

private

Surface accessor delegate for Trk::PrepRawData objects.

Definition at line 156 of file GlobalChiSquareFitterTool.h.

156{};

◆ m_ROTcreator

ToolHandle<Trk::IRIO_OnTrackCreator> ActsTrk::GlobalChiSquareFitterTool::m_ROTcreator {this, "RotCreatorTool", ""}

private

Definition at line 131 of file GlobalChiSquareFitterTool.h.

131{this, "RotCreatorTool", ""};

◆ m_slFitter

std::unique_ptr<StraightFitter_t> ActsTrk::GlobalChiSquareFitterTool::m_slFitter {nullptr}

private

The underlying straight line Acts fitter.

Definition at line 171 of file GlobalChiSquareFitterTool.h.

171{nullptr};

◆ m_trackingGeometrySvc

ServiceHandle<ActsTrk::ITrackingGeometrySvc> ActsTrk::GlobalChiSquareFitterTool::m_trackingGeometrySvc {this, "TrackingGeometrySvc", "ActsTrackingGeometrySvc"}

private

Definition at line 126 of file GlobalChiSquareFitterTool.h.

126{this, "TrackingGeometrySvc", "ActsTrackingGeometrySvc"};

◆ m_trkMeasCalibrator

detail::TrkMeasurementCalibrator ActsTrk::GlobalChiSquareFitterTool::m_trkMeasCalibrator {}

private

Pass through calibrator of the Trk::MeasurementBase objects from the TrackState container.

Definition at line 150 of file GlobalChiSquareFitterTool.h.

150{};

◆ m_trkMeasSurfAcc

detail::TrkMeasSurfaceAccessor ActsTrk::GlobalChiSquareFitterTool::m_trkMeasSurfAcc {}

private

Surface accessor delegate for Trk::MeasurementBase objects.

Definition at line 154 of file GlobalChiSquareFitterTool.h.

154{};

◆ m_unalibMeasSurfAcc

detail::xAODUncalibMeasSurfAcc ActsTrk::GlobalChiSquareFitterTool::m_unalibMeasSurfAcc {}

private

Surface accessor delegate for xAOD::UncalibratedMeasurement objects.

Definition at line 158 of file GlobalChiSquareFitterTool.h.

158{};

◆ m_uncalibMeasCalibrator

detail::xAODUncalibMeasCalibrator ActsTrk::GlobalChiSquareFitterTool::m_uncalibMeasCalibrator {}

private

Calibrator for the uncalibrated xAOD::UnCalibratedMeasurement objects.

Definition at line 160 of file GlobalChiSquareFitterTool.h.

160{};

◆ s_nExtensions

unsigned ActsTrk::GlobalChiSquareFitterTool::s_nExtensions = static_cast<unsigned>(detail::SourceLinkType::nTypes)

staticconstexprprivate

Array of all configured fitter extensions depending on which source link type is in use.

Definition at line 166 of file GlobalChiSquareFitterTool.h.

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

Public Types

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ CurvedFitter_t

◆ CurvedPropagator_t

◆ Gx2FitterExtension_t

◆ Gx2FitterOptions_t

◆ StraightFitter_t

◆ StraightPropagator_t

◆ TrackState_t

◆ xAODItkCalibrator_t

Constructor & Destructor Documentation

◆ ~GlobalChiSquareFitterTool()

Member Function Documentation

◆ configureFit()

◆ fit() [1/4]

◆ fit() [2/4]

◆ fit() [3/4]

◆ fit() [4/4]

◆ initialize()

◆ logger()

Member Data Documentation

◆ m_doJacobianCorr

◆ m_doStraightLine

◆ m_fitter

◆ m_geometryConvTool

◆ m_gx2fExtensions

◆ m_idCalibrator

◆ m_logger

◆ m_muonCalibrator

◆ m_nIterMax

◆ m_option_includeELoss

◆ m_option_includeScat

◆ m_option_maxNavSurfaces

◆ m_option_maxPropagationStep

◆ m_option_outlierChi2Cut

◆ m_outlierFinder

◆ m_prdCalibrator

◆ m_prdSurfaceAcc

◆ m_ROTcreator

◆ m_slFitter

◆ m_trackingGeometrySvc

◆ m_trkMeasCalibrator

◆ m_trkMeasSurfAcc

◆ m_unalibMeasSurfAcc

◆ m_uncalibMeasCalibrator

◆ s_nExtensions