class to apply selection to xAOD::TruthParticles,required by validation More...

#include <AthTruthSelectionTool.h>

Inheritance diagram for AthTruthSelectionTool:

Collaboration diagram for AthTruthSelectionTool:

Public Member Functions
	AthTruthSelectionTool (const std::string &type, const std::string &name, const IInterface *parent)

virtual	~AthTruthSelectionTool ()

StatusCode	initialize () final

StatusCode	finalize () final

virtual IAthSelectionTool::CutResult	accept (const xAOD::IParticle *particle) const final
	The most important method to determine whether the particle is accepted. More...

virtual IAthSelectionTool::CutResult	testAllCuts (const xAOD::IParticle *p, std::vector< unsigned int > &counter) const final
	The most important method to determine whether the particle is accepted. More...

unsigned int	nCuts () const final
	return the number of cuts. More...

std::vector< std::string >	names () const final
	return the names of the cuts as a vector<string> 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 > &t)

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

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

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

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

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

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

MsgStream &	msg () const

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

bool	msgLvl (const MSG::Level lvl) const

Static Public Member Functions
static const InterfaceID &	interfaceID ()
	interfaceID reimplemented from base More...

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

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

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

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

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

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

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

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

Private Attributes
CutList< xAOD::TruthParticle >	m_cutList

float	m_maxEta

float	m_maxPt

float	m_minPt

bool	m_requireOnlyPrimary

bool	m_requireCharged

int	m_selectedCharge

bool	m_requireStable

int	m_requireSiHit

double	m_maxProdVertRadius

int	m_pdgId

bool	m_grandparent

bool	m_poselectronfromgamma

std::vector< unsigned int >	m_counters

std::vector< int >	m_ancestors

float	m_radiusCylinder
	for cylinder topology: radius of cylinder More...

float	m_minZCylinder
	for cylinder topology: minimum \|z\| More...

float	m_maxZCylinder
	for cylinder topology: maximum \|z\| More...

float	m_zDisc
	for disk topology: Z position of disk More...

float	m_minRadiusDisc
	for disk topology: minimum radius More...

float	m_maxRadiusDisc
	for disk topology: maximum radius More...

std::unique_ptr< Trk::CylinderSurface >	m_cylinder

std::unique_ptr< Trk::DiscSurface >	m_disc1

std::unique_ptr< Trk::DiscSurface >	m_disc2

PublicToolHandle< Trk::IExtrapolator >	m_extrapolator {this,"Extrapolator","Trk::Extrapolator/AtlasExtrapolator",""}
	Too handle for truth-track extrapolation. More...

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

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

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

bool	m_varHandleArraysDeclared

Detailed Description

class to apply selection to xAOD::TruthParticles,required by validation

Definition at line 28 of file AthTruthSelectionTool.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

◆ AthTruthSelectionTool()

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

Definition at line 44 of file AthTruthSelectionTool.cxx.

                                                                        :
   AthAlgTool(type, name, parent),
   m_counters{}
 {
   // declare interface from base class
   declareInterface<IAthSelectionTool>(this);
   // declareProperty( "Property", m_nProperty ); set defaults
   declareProperty("maxEta", m_maxEta = 2.5);
   declareProperty("minPt", m_minPt = 400);
   declareProperty("maxPt", m_maxPt = -1);
   declareProperty("requireOnlyPrimary", m_requireOnlyPrimary = true);
   declareProperty("requireCharged", m_requireCharged = true);
   declareProperty("selectedCharge", m_selectedCharge = 0);
   declareProperty("requireStable", m_requireStable = true);
   declareProperty("requireSiHit", m_requireSiHit = 0);
   declareProperty("maxProdVertRadius", m_maxProdVertRadius = 110.);
   declareProperty("pdgId", m_pdgId = -1);
   declareProperty("hasNoGrandparent", m_grandparent = false);
   declareProperty("ancestorList", m_ancestors = {});
   declareProperty("poselectronfromgamma", m_poselectronfromgamma = false);
   declareProperty("radiusCylinder", m_radiusCylinder=-1, "Select truth particle based on extrapolated position on cylinder placed at this radius. Enabled if greater than 0.");
   declareProperty("minZCylinder", m_minZCylinder=0.0, "Minimum |Z| on cylinder for accepting extrapolated truth particle to surface.");
   declareProperty("maxZCylinder", m_maxZCylinder=0.0, "Maximum |Z| on cylinder for accepting extrapolated truth particle to surface.");
   declareProperty("zDisc", m_zDisc=-1.0, "Select truth particle based on extrapolated position on disks placed at +/- z positions. Enabled if greater than 0.");
   declareProperty("minRadiusDisc", m_minRadiusDisc=0.0, "Minimum radius on disk for accepting extrapolated truth particle to surface.");
   declareProperty("maxRadiusDisc", m_maxRadiusDisc=0.0, "Maximum radius on disk for accepting extrapolated truth particle to surface.");
 }

◆ ~AthTruthSelectionTool()

virtual AthTruthSelectionTool::~AthTruthSelectionTool ( )

inlinevirtual

Definition at line 31 of file AthTruthSelectionTool.h.

                                     {
     /*nop*/
   };

Member Function Documentation

◆ accept()

IAthSelectionTool::CutResult AthTruthSelectionTool::accept ( const xAOD::IParticle * p ) const

finalvirtual

The most important method to determine whether the particle is accepted.

Parameters

p	Pointer to particle baseclass, will be cast to truth or track

Returns: the number of cuts which are not passed or tested

Implements IAthSelectionTool.

Definition at line 272 of file AthTruthSelectionTool.cxx.

                                                                  {
   const xAOD::TruthParticle* pTruth = dynamic_cast<const xAOD::TruthParticle*>(particle);
  
   //@TODO
   if (not pTruth) {
     return m_cutList.size()+1; // marker for invalid particles
   }
   return m_cutList.accept(*pTruth);
 }

◆ declareGaudiProperty() [1/4]

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

inlineprivateinherited

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

Definition at line 170 of file AthCommonDataStore.h.

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

◆ declareGaudiProperty() [2/4]

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

inlineprivateinherited

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

Definition at line 156 of file AthCommonDataStore.h.

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

◆ declareGaudiProperty() [3/4]

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

inlineprivateinherited

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

Definition at line 184 of file AthCommonDataStore.h.

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

◆ declareGaudiProperty() [4/4]

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

inlineprivateinherited

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

Definition at line 199 of file AthCommonDataStore.h.

   {
     return PBASE::declareProperty(t);
   }

◆ declareProperty() [1/6]

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

inlineinherited

Declare a new Gaudi property.

Parameters

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

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

Definition at line 245 of file AthCommonDataStore.h.

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

◆ declareProperty() [2/6]

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

inlineinherited

Declare a new Gaudi property.

Parameters

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

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

Definition at line 221 of file AthCommonDataStore.h.

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

◆ declareProperty() [3/6]

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

inlineinherited

Definition at line 259 of file AthCommonDataStore.h.

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

◆ declareProperty() [4/6]

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

inlineinherited

Declare a new Gaudi property.

Parameters

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

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

Definition at line 333 of file AthCommonDataStore.h.

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

◆ declareProperty() [5/6]

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

inlineinherited

Declare a new Gaudi property.

Parameters

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

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

Definition at line 352 of file AthCommonDataStore.h.

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

◆ declareProperty() [6/6]

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

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

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

◆ detStore()

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

inlineinherited

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

Definition at line 95 of file AthCommonDataStore.h.

95 { return m_detStore; }

◆ evtStore() [1/2]

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

inlineinherited

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

Definition at line 85 of file AthCommonDataStore.h.

85 { return m_evtStore; }

◆ evtStore() [2/2]

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

inlineinherited

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

Definition at line 90 of file AthCommonDataStore.h.

90 { return m_evtStore; }

◆ extraDeps_update_handler()

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

protectedinherited

Add StoreName to extra input/output deps as needed.

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

◆ finalize()

StatusCode AthTruthSelectionTool::finalize ( )

final

Definition at line 260 of file AthTruthSelectionTool.cxx.

                                 {
   // nop
   return StatusCode::SUCCESS;
 }

◆ initialize()

StatusCode AthTruthSelectionTool::initialize ( )

final

Definition at line 74 of file AthTruthSelectionTool.cxx.

                                   {
   // can set cut properties now
   using P_t = xAOD::TruthParticle;
   using Accept_t = Accept<P_t>;
   //
   const std::vector<Accept_t> filters = {
     // if p.pt=0, TVector3 generates an error when querying p.eta(); a limit of 1e-7 was not found to be enough to
     // prevent this
     // the following also vetoes the case where the p.pt()=NaN, as any inequality with NaN evaluates to false
     Accept_t([this](const P_t& p) -> bool {
       return((p.pt() > 0.1) ? (std::abs(p.eta()) < m_maxEta) : false);
     }, std::string("eta")),
     Accept_t([this](const P_t& p) -> bool {
       return(p.pt() > m_minPt);
     }, std::string("min_pt"))
   };
   //
   m_cutList = CutList<P_t>(filters);
   if (m_maxProdVertRadius>0) {
     m_cutList.add(Accept_t([&m_maxProdVertRadius = std::as_const(m_maxProdVertRadius)](const P_t& p) -> bool {
                        return((not (p.hasProdVtx()))or(p.prodVtx()->perp() < m_maxProdVertRadius));
                   },
                   "decay_before_" + std::to_string(m_maxProdVertRadius)));
   }
   if (m_maxPt > 0) {
     m_cutList.add(Accept_t([&m_maxPt = std::as_const(m_maxPt)](const P_t& p) {
       return(p.pt() < m_maxPt);
     }, "max_pt"));
   }
   if (m_requireSiHit > 0) {
     m_cutList.add(Accept_t([&m_requireSiHit = std::as_const(m_requireSiHit)](const P_t& p) {
       static const SG::AuxElement::ConstAccessor< float > nSilHitsAcc("nSilHits");
       if (nSilHitsAcc.isAvailable(p)) return (nSilHitsAcc(p) >= m_requireSiHit);
       else return false;
     }, "siHit"));
   }
   if (m_requireOnlyPrimary) {
     m_cutList.add(Accept_t([](const P_t& p) {
       return(!HepMC::is_simulation_particle(&p));
     }, "OnlyPrimary"));
   }
   if (m_requireCharged) {
     m_cutList.add(Accept_t([&m_selectedCharge = std::as_const(m_selectedCharge)](const P_t& p) {
       if(m_selectedCharge ==0) return(not (p.isNeutral()));
       else return(not(p.isNeutral()) and p.charge()==m_selectedCharge);
     }, "charged"));
   }
   if (m_requireStable) {
     m_cutList.add(Accept_t([](const P_t& p) {
       return(MC::isStable(&p));
     }, "stable"));
   }
   if (m_pdgId > 0) {
     m_cutList.add(Accept_t([&m_pdgId = std::as_const(m_pdgId)](const P_t& p) {
       return(std::abs(p.pdgId()) == m_pdgId);
     }, "pdgId"));
   }
   if (m_grandparent) {
     m_cutList.add(Accept_t([](const P_t& p) {
       return((p.nParents() == 0) || ((p.nParents() == 1)and((p.parent(0))->nParents() == 0)));
     }, "hasNoGrandparent"));
   }
   //require the truth particles to come from certain ancesters
   if (!m_ancestors.empty()) {
     m_cutList.add(Accept_t([&m_ancestors = std::as_const(m_ancestors)](const P_t& p) -> bool {
       const xAOD::TruthParticle* pTruth = dynamic_cast<const xAOD::TruthParticle*>(&p);  
       if (not pTruth) return false;
       else return hasAncestor(pTruth, m_ancestors);   
     }, "ancestors"));
   }
   if (m_poselectronfromgamma) {
     m_cutList.add(Accept_t([](const P_t& p) {
       return((p.absPdgId() == electronId)and(p.nParents() >= 1) and(p.parent(0)) and(p.parent(0)->pdgId() == gammaId));
     }, "poselectronfromgamma"));
   }
   if (m_radiusCylinder > 0) {
     //    m_cutList.add(Accept_t(acceptExtrapolatedTPToSurface, "SelectCylinder"));
     if (not m_cylinder) {
       ATH_MSG_VERBOSE("Creating and caching cylinder surface");
       Amg::Transform3D trnsf;
       trnsf.setIdentity();
       m_cylinder = std::make_unique<Trk::CylinderSurface>( trnsf, m_radiusCylinder, 20000.);
     }
     m_cutList.add(Accept_t([this](const P_t& p) -> bool {
           ATH_MSG_VERBOSE("Checking particle for intersection with cylinder of radius " << m_radiusCylinder);
           //create surface we extrapolate to and cache it
           const xAOD::TruthVertex* ptruthVertex = p.prodVtx();
           if (ptruthVertex == nullptr) {
             //cannot derive production vertex, reject track
             ATH_MSG_VERBOSE("Rejecting particle without production vertex.");
             return false;
           }
           const auto xPos = ptruthVertex->x();
           const auto yPos = ptruthVertex->y();
           const auto z_truth = ptruthVertex->z();
           const Amg::Vector3D position(xPos, yPos, z_truth);
           const Amg::Vector3D momentum(p.px(), p.py(), p.pz());
           const Trk::CurvilinearParameters cParameters(position, momentum, p.charge());
           const Trk::TrackParameters *exParameters = m_extrapolator->extrapolate(Gaudi::Hive::currentContext(),
                                                                                  cParameters, 
                                                                                  *m_cylinder, 
                                                                                  Trk::anyDirection, false, Trk::pion).release();
           if (!exParameters) {
             ATH_MSG_VERBOSE("Failed extrapolation. Rejecting track.");
             return false;
           }
           ATH_MSG_VERBOSE("Extrapolated parameters to cylinder: " << *exParameters);
           const float ex_abs_z = fabs(exParameters->position().z());
           if ( (ex_abs_z > m_minZCylinder) and (ex_abs_z < m_maxZCylinder) ) {
             ATH_MSG_VERBOSE("Particle accepted.");
             return true;
           }
           //else..
           ATH_MSG_VERBOSE("Particle rejected");
           return false;
         }, "SelectCylinder"));
   } else if (m_zDisc > 0) {
     //m_cutList.add(Accept_t(acceptExtrapolatedTPToSurface, "SelectDisc"));
     if (not m_disc1 || not m_disc2) { //m_disc2 == 0 implied
       ATH_MSG_VERBOSE("Creating and caching disc surface");
       Amg::Transform3D trnsf_shiftZ = Amg::Transform3D(Amg::Translation3D(0.,0.,m_zDisc));
       m_disc1 = std::make_unique<Trk::DiscSurface>( trnsf_shiftZ, m_minRadiusDisc, m_maxRadiusDisc);
       trnsf_shiftZ = Amg::Translation3D(0.,0.,-m_zDisc);
       m_disc2 = std::make_unique<Trk::DiscSurface>( trnsf_shiftZ, m_minRadiusDisc, m_maxRadiusDisc);
     }
     m_cutList.add(Accept_t([this](const P_t& p) -> bool {
           ATH_MSG_VERBOSE("Checking particle for intersection with discs of |z| " << m_zDisc);
           //create surface we extrapolate to and cache it
           const xAOD::TruthVertex* ptruthVertex = p.prodVtx();
           if (ptruthVertex == nullptr) {
             //cannot derive production vertex, reject track
             ATH_MSG_VERBOSE("Rejecting particle without production vertex.");
             return false;
           }
           const auto xPos = ptruthVertex->x();
           const auto yPos = ptruthVertex->y();
           const auto z_truth = ptruthVertex->z();
           const Amg::Vector3D position(xPos, yPos, z_truth);
           const Amg::Vector3D momentum(p.px(), p.py(), p.pz());
           const Trk::CurvilinearParameters cParameters(position, momentum, p.charge());
           const Trk::TrackParameters *exParameters = m_extrapolator->extrapolate(Gaudi::Hive::currentContext(),
                                                                                  cParameters, 
                                                                                  *m_disc1, Trk::anyDirection, true, Trk::pion).release();
           if (exParameters) {
             //since boundary check is true, should be enough to say we've hit the disk..
             ATH_MSG_VERBOSE("Successfully extrapolated track to disk at +" << m_zDisc << ": " << *exParameters);
             float ex_radius = sqrt(pow(exParameters->position().x(),2)+pow(exParameters->position().y(),2));
             ATH_MSG_VERBOSE("radial position at surface: " << ex_radius);
             if ((ex_radius > m_minRadiusDisc) and (ex_radius < m_maxRadiusDisc)) {
               ATH_MSG_VERBOSE("Confirmed within the disk. Accepting particle");
               return true;
             }
             //else...
             ATH_MSG_VERBOSE("Strange, extrapolation succeeded but extrapolated position not within disc radius! Test next disc");
           }
           exParameters = m_extrapolator->extrapolate(Gaudi::Hive::currentContext(),cParameters, *m_disc2, Trk::anyDirection, true, Trk::pion).release();
           if (exParameters) {
             //since boundary check is true, should be enough to say we've hit the disk..
             ATH_MSG_VERBOSE("Successfully extrapolated track to disk at -" << m_zDisc << ": " << *exParameters);
             float ex_radius = sqrt(pow(exParameters->position().x(),2)+pow(exParameters->position().y(),2));
             ATH_MSG_VERBOSE("radial position at surface: " << ex_radius);
             if ((ex_radius > m_minRadiusDisc) and (ex_radius < m_maxRadiusDisc)) {
               ATH_MSG_VERBOSE("Confirmed within the disk. Accepting particle");
               return true;
             }
             //else...
             ATH_MSG_VERBOSE("Strange, extrapolation succeeded but extrapolated position not within disc radius! Rejecting");
           }
           //else..
           ATH_MSG_VERBOSE("Particle rejected");
           return false;
         }, "SelectDisc"));
   } //m_zDisc > 0
  
   std::string msg = std::to_string(m_cutList.size()) + " truth acceptance cuts are used:\n";
   for (const auto& i:m_cutList.names()) {
     msg += i + "\n";
   }
   ATH_MSG_INFO(msg);
  
   ATH_CHECK(m_extrapolator.retrieve(EnableTool{ m_radiusCylinder > 0 || m_zDisc >0 }));
  
   return StatusCode::SUCCESS;
 }

◆ inputHandles()

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

overridevirtualinherited

Return this algorithm's input handles.

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

◆ interfaceID()

const InterfaceID & IAthSelectionTool::interfaceID ( )

inlinestaticinherited

interfaceID reimplemented from base

Definition at line 73 of file IAthSelectionTool.h.

                                                          {
     return IID_IAthSelectionTool;
 } 

◆ msg() [1/2]

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

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                 {
     return this->msgStream();
   }

◆ msg() [2/2]

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

inlineinherited

Definition at line 27 of file AthCommonMsg.h.

                                                   {
     return this->msgStream(lvl);
   }

◆ msgLvl()

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

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                                {
     return this->msgLevel(lvl);
   }

◆ names()

std::vector< std::string > AthTruthSelectionTool::names ( ) const

finalvirtual

return the names of the cuts as a vector<string>

Implements IAthSelectionTool.

Definition at line 267 of file AthTruthSelectionTool.cxx.

                                    {
   return m_cutList.names();
 }

◆ nCuts()

unsigned int AthTruthSelectionTool::nCuts ( ) const

inlinefinalvirtual

return the number of cuts.

Returns: the number of cuts

Implements IAthSelectionTool.

Definition at line 43 of file AthTruthSelectionTool.h.

                                    {
     return m_cutList.size();
   }

◆ 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.

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

◆ renounceArray()

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

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                           {
     handlesArray.renounce();
   }

◆ sysInitialize()

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

overridevirtualinherited

Perform system initialization for an algorithm.

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

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

◆ sysStart()

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

overridevirtualinherited

Handle START transition.

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

◆ testAllCuts()

IAthSelectionTool::CutResult AthTruthSelectionTool::testAllCuts	(	const xAOD::IParticle *	p,
		std::vector< unsigned int > &	counter
	)		const

finalvirtual

The most important method to determine whether the particle is accepted.

Parameters

p	Pointer to particle baseclass, will be cast to truth or track

Returns: true if particle passes cuts

Implements IAthSelectionTool.

Definition at line 283 of file AthTruthSelectionTool.cxx.

                                                                                                          {
   const xAOD::TruthParticle* pTruth = dynamic_cast<const xAOD::TruthParticle*>(particle);
  
   //@TODO
   if (not pTruth) {
     return m_cutList.size()+1; // marker for invalid particles
   }
   return m_cutList.testAllCuts(*pTruth,counter);
 }

◆ updateVHKA()

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

inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

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

Member Data Documentation

◆ m_ancestors

std::vector<int> AthTruthSelectionTool::m_ancestors

private

Definition at line 67 of file AthTruthSelectionTool.h.

◆ m_counters

std::vector<unsigned int> AthTruthSelectionTool::m_counters

private

Definition at line 66 of file AthTruthSelectionTool.h.

◆ m_cutList

CutList<xAOD::TruthParticle> AthTruthSelectionTool::m_cutList

private

Definition at line 50 of file AthTruthSelectionTool.h.

◆ m_cylinder

std::unique_ptr<Trk::CylinderSurface> AthTruthSelectionTool::m_cylinder

private

Definition at line 80 of file AthTruthSelectionTool.h.

◆ 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_disc1

std::unique_ptr<Trk::DiscSurface> AthTruthSelectionTool::m_disc1

private

Definition at line 81 of file AthTruthSelectionTool.h.

◆ m_disc2

std::unique_ptr<Trk::DiscSurface> AthTruthSelectionTool::m_disc2

private

Definition at line 82 of file AthTruthSelectionTool.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_extrapolator

PublicToolHandle<Trk::IExtrapolator> AthTruthSelectionTool::m_extrapolator {this,"Extrapolator","Trk::Extrapolator/AtlasExtrapolator",""}

private

Too handle for truth-track extrapolation.

Definition at line 88 of file AthTruthSelectionTool.h.

◆ m_grandparent

bool AthTruthSelectionTool::m_grandparent

private

Definition at line 64 of file AthTruthSelectionTool.h.

◆ m_maxEta

float AthTruthSelectionTool::m_maxEta

private

Definition at line 52 of file AthTruthSelectionTool.h.

◆ m_maxProdVertRadius

double AthTruthSelectionTool::m_maxProdVertRadius

private

Definition at line 62 of file AthTruthSelectionTool.h.

◆ m_maxPt

float AthTruthSelectionTool::m_maxPt

private

Definition at line 53 of file AthTruthSelectionTool.h.

◆ m_maxRadiusDisc

float AthTruthSelectionTool::m_maxRadiusDisc

private

for disk topology: maximum radius

Definition at line 77 of file AthTruthSelectionTool.h.

◆ m_maxZCylinder

float AthTruthSelectionTool::m_maxZCylinder

private

for cylinder topology: maximum |z|

Definition at line 74 of file AthTruthSelectionTool.h.

◆ m_minPt

float AthTruthSelectionTool::m_minPt

private

Definition at line 54 of file AthTruthSelectionTool.h.

◆ m_minRadiusDisc

float AthTruthSelectionTool::m_minRadiusDisc

private

for disk topology: minimum radius

Definition at line 76 of file AthTruthSelectionTool.h.

◆ m_minZCylinder

float AthTruthSelectionTool::m_minZCylinder

private

for cylinder topology: minimum |z|

Definition at line 73 of file AthTruthSelectionTool.h.

◆ m_pdgId

int AthTruthSelectionTool::m_pdgId

private

Definition at line 63 of file AthTruthSelectionTool.h.

◆ m_poselectronfromgamma

bool AthTruthSelectionTool::m_poselectronfromgamma

private

Definition at line 65 of file AthTruthSelectionTool.h.

◆ m_radiusCylinder

float AthTruthSelectionTool::m_radiusCylinder

private

for cylinder topology: radius of cylinder

Definition at line 72 of file AthTruthSelectionTool.h.

◆ m_requireCharged

bool AthTruthSelectionTool::m_requireCharged

private

Definition at line 56 of file AthTruthSelectionTool.h.

◆ m_requireOnlyPrimary

bool AthTruthSelectionTool::m_requireOnlyPrimary

private

Definition at line 55 of file AthTruthSelectionTool.h.

◆ m_requireSiHit

int AthTruthSelectionTool::m_requireSiHit

private

Definition at line 59 of file AthTruthSelectionTool.h.

◆ m_requireStable

bool AthTruthSelectionTool::m_requireStable

private

Definition at line 58 of file AthTruthSelectionTool.h.

◆ m_selectedCharge

int AthTruthSelectionTool::m_selectedCharge

private

Definition at line 57 of file AthTruthSelectionTool.h.

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< AlgTool > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

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

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

◆ m_zDisc

float AthTruthSelectionTool::m_zDisc

private

for disk topology: Z position of disk

Definition at line 75 of file AthTruthSelectionTool.h.

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

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Constructor & Destructor Documentation

◆ AthTruthSelectionTool()

◆ ~AthTruthSelectionTool()

Member Function Documentation

◆ accept()

◆ declareGaudiProperty() [1/4]

◆ declareGaudiProperty() [2/4]

◆ declareGaudiProperty() [3/4]

◆ declareGaudiProperty() [4/4]

◆ declareProperty() [1/6]

◆ declareProperty() [2/6]

◆ declareProperty() [3/6]

◆ declareProperty() [4/6]

◆ declareProperty() [5/6]

◆ declareProperty() [6/6]

◆ detStore()

◆ evtStore() [1/2]

◆ evtStore() [2/2]

◆ extraDeps_update_handler()

◆ finalize()

◆ initialize()

◆ inputHandles()

◆ interfaceID()

◆ msg() [1/2]

◆ msg() [2/2]

◆ msgLvl()

◆ names()

◆ nCuts()

◆ outputHandles()

◆ renounce()

◆ renounceArray()

◆ sysInitialize()

◆ sysStart()

◆ testAllCuts()

◆ updateVHKA()

Member Data Documentation

◆ m_ancestors

◆ m_counters

◆ m_cutList

◆ m_cylinder

◆ m_detStore

◆ m_disc1

◆ m_disc2

◆ m_evtStore

◆ m_extrapolator

◆ m_grandparent

◆ m_maxEta

◆ m_maxProdVertRadius

◆ m_maxPt

◆ m_maxRadiusDisc

◆ m_maxZCylinder

◆ m_minPt

◆ m_minRadiusDisc

◆ m_minZCylinder

◆ m_pdgId

◆ m_poselectronfromgamma

◆ m_radiusCylinder

◆ m_requireCharged

◆ m_requireOnlyPrimary

◆ m_requireSiHit

◆ m_requireStable

◆ m_selectedCharge

◆ m_varHandleArraysDeclared

◆ m_vhka

◆ m_zDisc