XtoVVDecayFilterExtended Class Reference

The main purpose of this EF is to specify the decay of V1/V2 in H->V1V2, V1->decay, V2->decay with VH production. More...

#include <XtoVVDecayFilterExtended.h>

Inheritance diagram for XtoVVDecayFilterExtended:

Collaboration diagram for XtoVVDecayFilterExtended:

Public Member Functions
	XtoVVDecayFilterExtended (const std::string &name, ISvcLocator *pSvcLocator)
virtual StatusCode	filterInitialize ()
virtual StatusCode	filterFinalize ()
virtual StatusCode	filterEvent ()
virtual StatusCode	sysInitialize () override
	Override sysInitialize. More...
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies. 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	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

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
void	FindAncestor (const HepMC::ConstGenVertexPtr &searchvertex, int targetPDGID, bool &okPDGChild1, bool &okPDGChild2) const
HepMC::ConstGenParticlePtr	CheckGrandparent (const HepMC::ConstGenParticlePtr &pitr, int &) const
bool	RunHistory (const HepMC::ConstGenParticlePtr &pitr) const
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
int	m_PDGGrandParent
int	m_PDGParent
std::vector< int >	m_PDGChild1
std::vector< int >	m_PDGChild2
int	m_nHtoVV
int	m_nGoodHtoVV
DataObjIDColl	m_extendedExtraObjects
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

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

Detailed Description

The main purpose of this EF is to specify the decay of V1/V2 in H->V1V2, V1->decay, V2->decay with VH production.

(for example, V1/V2->leptonic decay but V->all)

Author

Junichi TANAKA

Tatsuya MASUBUCHI Modified such that it looks in the history of the particle mothers and finds whether there is a mother with m_PDGGrandParent Nikolaos Rompotis 15 January 2015

Definition at line 19 of file XtoVVDecayFilterExtended.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

XtoVVDecayFilterExtended()

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

Definition at line 9 of file XtoVVDecayFilterExtended.cxx.

  : GenFilter(name, pSvcLocator)
{
  declareProperty("PDGGrandParent", m_PDGGrandParent);
  declareProperty("PDGParent", m_PDGParent);
  declareProperty("PDGChild1", m_PDGChild1);
  declareProperty("PDGChild2", m_PDGChild2);
 
  // initialize member variables (to make Coverity tool happy...)
  m_nHtoVV = 0;
  m_nGoodHtoVV = 0;
 
}

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.

                                                      {
    if (events()->empty())
      ATH_MSG_ERROR("McEventCollection is empty during first event access");
    return *(events()->begin());
  }

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.

CheckGrandparent()

HepMC::ConstGenParticlePtr XtoVVDecayFilterExtended::CheckGrandparent ( const HepMC::ConstGenParticlePtr &  pitr, int &  result  ) const

private

Definition at line 145 of file XtoVVDecayFilterExtended.cxx.

                                                                                                                            {
 
  if (! pitr->production_vertex()) {
    ATH_MSG_DEBUG("No ancestor for this case");
    result=-1;
    return NULL;
  }
  bool isGrandParentOK = false;
#ifdef HEPMC3
  if (pitr->production_vertex()->particles_in().size()==0)   {
    ATH_MSG_DEBUG("No mother for this case");
    result = -2;
    return NULL;
  }
 
  int n_mothers = 1;
 
  for (const auto& thisMother: pitr->production_vertex()->particles_in()) {
    ATH_MSG_DEBUG("Now on this mother: " << (thisMother)->pdg_id() << " " << n_mothers);
    if ( (thisMother)->pdg_id() != m_PDGGrandParent && std::abs((thisMother)->pdg_id()) != m_PDGParent)
       break;
    if ( (thisMother)->pdg_id() == m_PDGGrandParent && n_mothers == 1) { isGrandParentOK = true; }
    n_mothers++;
  }
 
  if (isGrandParentOK) {
    result = m_PDGGrandParent;
  }
  else {
    result = 0;
  }
 
  return pitr->production_vertex()->particles_in()[0];
#else
  HepMC::GenVertex::particle_iterator firstMother = pitr->production_vertex()->particles_begin(HepMC::parents);
  HepMC::GenVertex::particle_iterator endMother = pitr->production_vertex()->particles_end(HepMC::parents);
  HepMC::GenVertex::particle_iterator thisMother = firstMother;
  if (firstMother == endMother)   {
    ATH_MSG_DEBUG("No mother for this case");
    result = -2;
    return NULL;
  }
 
  int n_mothers = 1;
 
  for (; thisMother != endMother; ++thisMother) {
    ATH_MSG_DEBUG("Now on this mother: " << (*thisMother)->pdg_id() << " " << n_mothers);
    if ( (*thisMother)->pdg_id() != m_PDGGrandParent && std::abs((*thisMother)->pdg_id()) != m_PDGParent)
       break;
    if ( (*thisMother)->pdg_id() == m_PDGGrandParent && n_mothers == 1) { isGrandParentOK = true; }
    n_mothers++;
 
  }
  if (isGrandParentOK) {
     result = m_PDGGrandParent;
  }
  else {
     result = 0;
  }
  return (*firstMother);
#endif
}

cmTomm()

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

protectedinherited

Scale event lengths by x 10.

Definition at line 78 of file GenBase.cxx.

                                       {
  for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
    const HepMC::FourVector fv((*vtx)->position().x() * 10,
                               (*vtx)->position().y() * 10,
                               (*vtx)->position().z() * 10,
                               (*vtx)->position().t() * 10);
    (*vtx)->set_position(fv);
  }
}

declareGaudiProperty() [1/4]

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

inlineinherited

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

Definition at line 95 of file AthCommonDataStore.h.

{ return m_detStore; }

event_const()

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

inlineinherited

Access the current signal event (const)

Definition at line 83 of file GenBase.h.

                                           {
    if (events_const()->empty())
      ATH_MSG_ERROR("Const McEventCollection is empty during first event access");
    return *(events_const()->begin());
  }

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.

                                                {
    return events_const( getContext() );
  }

events_const() [2/2]

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

inlineinherited

Definition at line 99 of file GenBase.h.

                                                                         {
    SG::ReadHandle<McEventCollection> ret = SG::makeHandle(m_mcevents_const, ctx);
    if (!ret.isValid())
      ATH_MSG_ERROR("No McEventCollection found in StoreGate with key " << m_mcevents_const.key());
    return ret.cptr();
  }

evtStore() [1/2]

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.

{ return m_evtStore; }

evtStore() [2/2]

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

inlineinherited

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

Definition at line 90 of file AthCommonDataStore.h.

{ return m_evtStore; }

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.

                              {
  if (events_const()->empty()) {
    ATH_MSG_ERROR("No events found in McEventCollection");
    return StatusCode::FAILURE;
  } else if (events_const()->size() > 1) {
    ATH_MSG_WARNING("More than one event in current McEventCollection -- which is valid?");
  }
  StatusCode sc = filterEvent();
#ifdef HEPMC3
  if (filterPassed() || m_keepAll ) {
#else
  if (filterPassed() ) {
#endif
    ATH_MSG_DEBUG("Event passed filter");
    m_nPass += 1;
  } else {
    ATH_MSG_DEBUG("Event failed filter");
    m_nFail += 1;
  }
  // Bail out once we have enough events
  if (m_nPass >= m_nNeeded && m_nNeeded > 0)
    sc = StatusCode::FAILURE;
  return sc;
}

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.

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

filterEvent()

StatusCode XtoVVDecayFilterExtended::filterEvent ( )

virtual

Implements GenFilter.

Definition at line 50 of file XtoVVDecayFilterExtended.cxx.

                                                 {
  bool okPDGChild1 = false;
  bool okPDGChild2 = false;
  int nGoodParent = 0;
 
  McEventCollection::const_iterator itr;
  for (itr = events()->begin(); itr != events()->end(); ++itr) {
    // Loop over all particles in the event
    const HepMC::GenEvent* genEvt = (*itr);
    for (const auto&  pitr: *genEvt) {
      if ( std::abs(pitr->pdg_id()) == m_PDGParent && MC::isDecayed(pitr)) {
        bool isGrandParentOK = RunHistory(pitr);
    ATH_MSG_DEBUG(" Grand Parent is OK? " << isGrandParentOK);
        if (!isGrandParentOK) continue;
        ++nGoodParent;
        FindAncestor(pitr->end_vertex(), m_PDGParent, okPDGChild1, okPDGChild2);
      }
    }
  }
  ATH_MSG_DEBUG("Result " << nGoodParent << " " << okPDGChild1 << " " << okPDGChild2);
 
  if (nGoodParent == 2) {
    ++m_nHtoVV;
    if (okPDGChild1 && okPDGChild2)  {
      ++m_nGoodHtoVV;
      return StatusCode::SUCCESS;
    }
  }
 
  // If we get here we have failed
  setFilterPassed(false);
  return StatusCode::SUCCESS;
}

filterFinalize()

StatusCode XtoVVDecayFilterExtended::filterFinalize ( )

virtual

Reimplemented from GenFilter.

Definition at line 41 of file XtoVVDecayFilterExtended.cxx.

                                                    {
  ATH_MSG_INFO("Statistics of X->VV, V->decay scanning all ancestors of V in order to find X");
  ATH_MSG_INFO("  ALL  X->VV  " << m_nHtoVV);
  ATH_MSG_INFO("  Good X->VV  " << m_nGoodHtoVV);
  if (m_nHtoVV != 0) ATH_MSG_INFO("  Fraction   " << double(m_nGoodHtoVV)/double(m_nHtoVV));
  return StatusCode::SUCCESS;
}

filterInitialize()

StatusCode XtoVVDecayFilterExtended::filterInitialize ( )

virtual

Reimplemented from GenFilter.

Definition at line 24 of file XtoVVDecayFilterExtended.cxx.

                                                      {
  ATH_MSG_INFO("PDGGrandParent(H) = " << m_PDGGrandParent <<  " will scan all ancestors to find PDGGrandParent");
  ATH_MSG_INFO("PDGParent(V)      = " << m_PDGParent );
  if (m_PDGChild1.empty()) ATH_MSG_ERROR("PDGChild1[] not set ");
  if (m_PDGChild2.empty()) ATH_MSG_ERROR("PDGChild2[] not set ");
  for (size_t i = 0; i < m_PDGChild1.size(); ++i)
    ATH_MSG_INFO("PDGChild1[" << i << "] = " << m_PDGChild1[i]);
  for (size_t i = 0; i < m_PDGChild2.size(); ++i)
    ATH_MSG_INFO("PDGChild2[" << i << "] = " << m_PDGChild2[i]);
 
  // init
  m_nHtoVV = 0;
  m_nGoodHtoVV = 0;
  return StatusCode::SUCCESS;
}

finalize()

StatusCode GenFilter::finalize ( )

inherited

Definition at line 56 of file GenFilter.cxx.

                               {
  ATH_MSG_INFO("Events passed = " << m_nPass << "  Events failed = " << m_nFail);
  CHECK(filterFinalize());
  return StatusCode::SUCCESS;
}

FindAncestor()

void XtoVVDecayFilterExtended::FindAncestor ( const HepMC::ConstGenVertexPtr &  searchvertex, int  targetPDGID, bool &  okPDGChild1, bool &  okPDGChild2  ) const

private

Definition at line 209 of file XtoVVDecayFilterExtended.cxx.

                                                                                                {
  if (!searchvertex) return;
  for (const auto& thisAncestor:  *searchvertex){
    if (std::abs(thisAncestor->pdg_id()) == targetPDGID) { //same particle as parent
      FindAncestor(thisAncestor->end_vertex(), targetPDGID, okPDGChild1, okPDGChild2);
    } else {
      if (!okPDGChild1) {
        for (size_t i = 0; i < m_PDGChild1.size(); ++i) {
          if (std::abs(thisAncestor->pdg_id()) == m_PDGChild1[i]) {
            okPDGChild1 = true;
            break;
          }
        }
        if (okPDGChild1) break;
      }
      if (!okPDGChild2) {
        for (size_t i = 0; i < m_PDGChild2.size(); ++i) {
          if (std::abs(thisAncestor->pdg_id()) == m_PDGChild2[i]) {
            okPDGChild2 = true;
            break;
          }
        }
        if (okPDGChild2) break;
      }
    }
  }
}

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.

                                         {
  for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
    const HepMC::FourVector fv((*p)->momentum().px() * 1000,
                               (*p)->momentum().py() * 1000,
                               (*p)->momentum().pz() * 1000,
                               (*p)->momentum().e()  * 1000);
    (*p)->set_momentum(fv);
    (*p)->set_generated_mass(1000 * (*p)->generated_mass());
  }
}

initialize()

StatusCode GenFilter::initialize ( )

virtualinherited

Reimplemented from GenBase.

Definition at line 20 of file GenFilter.cxx.

                                 {
  CHECK(GenBase::initialize());
  m_nPass = 0;
  m_nFail = 0;
  CHECK(filterInitialize());
  return StatusCode::SUCCESS;
}

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.

                                         {
  for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
    const HepMC::FourVector fv((*p)->momentum().px() / 1000,
                               (*p)->momentum().py() / 1000,
                               (*p)->momentum().pz() / 1000,
                               (*p)->momentum().e()  / 1000);
    (*p)->set_momentum(fv);
    (*p)->set_generated_mass((*p)->generated_mass() / 1000);
  }
}

mmTocm()

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

protectedinherited

Scale event lengths by x 1/10.

Definition at line 87 of file GenBase.cxx.

                                       {
  for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
    const HepMC::FourVector fv((*vtx)->position().x() / 10,
                               (*vtx)->position().y() / 10,
                               (*vtx)->position().z() / 10,
                               (*vtx)->position().t() / 10);
    (*vtx)->set_position(fv);
  }
}

msg() [1/2]

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

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

msg() [2/2]

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

inlineinherited

Definition at line 27 of file AthCommonMsg.h.

                                                  {
    return this->msgStream(lvl);
  }

msgLvl()

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

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

nFailed()

int GenFilter::nFailed ( ) const

inlineinherited

Definition at line 53 of file GenFilter.h.

{ return m_nFail; }

nNeeded()

int GenFilter::nNeeded ( ) const

inlineinherited

Definition at line 54 of file GenFilter.h.

{ return m_nNeeded; }

nPassed()

int GenFilter::nPassed ( ) const

inlineinherited

Definition at line 52 of file GenFilter.h.

{ 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.

                                                        {
    return pdt().particle(HepPDT::ParticleID(std::abs(pid)));
  }

particleTable()

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

inlineinherited

Get a particle data table.

Definition at line 118 of file GenBase.h.

                                                       {
    return *(m_ppSvc->PDT());
  }

partPropSvc()

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

inlineinherited

Access the particle property service.

Definition at line 113 of file GenBase.h.

                                                        {
    return m_ppSvc;
  }

pdt()

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

inlineinherited

Shorter alias to get a particle data table.

Definition at line 123 of file GenBase.h.

{ return particleTable(); }

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.

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

                                                          {
    handlesArray.renounce();
  }

RunHistory()

bool XtoVVDecayFilterExtended::RunHistory ( const HepMC::ConstGenParticlePtr &  pitr ) const

private

Definition at line 86 of file XtoVVDecayFilterExtended.cxx.

                                                                                     {
  auto pitr=input;
  if (! pitr->production_vertex()) {
    ATH_MSG_DEBUG("No History for this case");
    return false;
  }
#ifdef HEPMC3
 
  if (pitr->production_vertex()->particles_in().size()==0) {
    ATH_MSG_DEBUG("No mother for this case");
    return false;
  }
  int result = 999;
 
  // Check if the first mother is ok
  pitr = CheckGrandparent(pitr, result);
  ATH_MSG_DEBUG("Pointer PDG ID: " << pitr->pdg_id());
  if(std::abs(pitr->pdg_id()) != m_PDGGrandParent && std::abs(pitr->pdg_id()) != m_PDGParent) return false;
  if (result == m_PDGGrandParent) return true;
 
  // set pitr_current to grand parent pointer
  auto pitr_current = pitr;
  while ( result >= 0 ) {
    pitr_current = CheckGrandparent(pitr_current, result);
    ATH_MSG_DEBUG("Pointer PDG ID: " << pitr->pdg_id());
    if(std::abs(pitr_current->pdg_id()) != m_PDGGrandParent && std::abs(pitr_current->pdg_id()) != m_PDGParent) return false;
 
    if (result == m_PDGGrandParent) return true;
  }
#else
  HepMC::GenVertex::particle_iterator firstMother = pitr->production_vertex()->particles_begin(HepMC::parents);
  HepMC::GenVertex::particle_iterator endMother = pitr->production_vertex()->particles_end(HepMC::parents);
  HepMC::GenVertex::particle_iterator thisMother = firstMother;
  if (firstMother == endMother) {
    ATH_MSG_DEBUG("No mother for this case");
    return false;
  }
  int result = 999;
  // Check if the first mother is ok
  pitr = CheckGrandparent(pitr, result);
  ATH_MSG_DEBUG("Pointer PDG ID: " << pitr->pdg_id());
  if(std::abs(pitr->pdg_id()) != m_PDGGrandParent && std::abs(pitr->pdg_id()) != m_PDGParent) return false;
  if (result == m_PDGGrandParent) return true;
 
  HepMC::ConstGenParticlePtr pitr_current = (*firstMother);
  while ( result >= 0 ) {
    pitr_current = CheckGrandparent(pitr_current, result);
    ATH_MSG_DEBUG("Pointer PDG ID: " << pitr->pdg_id());
    if(std::abs(pitr_current->pdg_id()) != m_PDGGrandParent && std::abs(pitr_current->pdg_id()) != m_PDGParent) return false;
    if (result == m_PDGGrandParent) return true;
  }
#endif
 
  return false;
}

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, PyAthena::Alg, and AthHistogramAlgorithm.

Definition at line 66 of file AthAlgorithm.cxx.

                                       {
  StatusCode sc=AthCommonDataStore<AthCommonMsg<Algorithm>>::sysInitialize();
 
  if (sc.isFailure()) {
    return sc;
  }
  ServiceHandle<ICondSvc> cs("CondSvc",name());
  for (auto h : outputHandles()) {
    if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
      // do this inside the loop so we don't create the CondSvc until needed
      if ( cs.retrieve().isFailure() ) {
        ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
        return StatusCode::SUCCESS;
      }
      if (cs->regHandle(this,*h).isFailure()) {
        sc = StatusCode::FAILURE;
        ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
                      << " with CondSvc");
      }
    }
  }
  return sc;
}

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.

                                               {
    // 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_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_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.

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.

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.

m_nFail

int GenFilter::m_nFail

protectedinherited

Definition at line 66 of file GenFilter.h.

m_nGoodHtoVV

int XtoVVDecayFilterExtended::m_nGoodHtoVV

private

Definition at line 35 of file XtoVVDecayFilterExtended.h.

m_nHtoVV

int XtoVVDecayFilterExtended::m_nHtoVV

private

Definition at line 34 of file XtoVVDecayFilterExtended.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_PDGChild1

std::vector<int> XtoVVDecayFilterExtended::m_PDGChild1

private

Definition at line 31 of file XtoVVDecayFilterExtended.h.

m_PDGChild2

std::vector<int> XtoVVDecayFilterExtended::m_PDGChild2

private

Definition at line 32 of file XtoVVDecayFilterExtended.h.

m_PDGGrandParent

int XtoVVDecayFilterExtended::m_PDGGrandParent

private

Definition at line 29 of file XtoVVDecayFilterExtended.h.

m_PDGParent

int XtoVVDecayFilterExtended::m_PDGParent

private

Definition at line 30 of file XtoVVDecayFilterExtended.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.

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:

• XtoVVDecayFilterExtended.h
• XtoVVDecayFilterExtended.cxx