Hijing Class Reference

#include <Hijing.h>

Inheritance diagram for Hijing:

Public Member Functions
	Hijing (const std::string &name, ISvcLocator *pSvcLocator)
virtual	~Hijing ()=default
virtual StatusCode	genInitialize () override
	For initializing the generator, if required.
virtual StatusCode	callGenerator () override
	For calling the generator on each iteration of the event loop.
virtual StatusCode	genFinalize () override
	For finalising the generator, if required.
virtual StatusCode	fillEvt (HepMC::GenEvent *evt) override
	For filling the HepMC event object.
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies.
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.
virtual StatusCode	sysStart () override
	Handle START transition.
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles.
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T, V, H > &t)
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
bool	msgLvl (const MSG::Level lvl) const
Event loop algorithm methods: not to be overloaded
StatusCode	initialize ()
StatusCode	execute ()
StatusCode	finalize ()
Gen-specific event loop methods: to be overloaded
virtual StatusCode	genuserInitialize ()
	For initialization of user code, if required. Called after genInitialize.
Event collection accessors (const and non-const)
HepMC::GenEvent *event	ATLAS_NOT_CONST_THREAD_SAFE ()
	Access the current signal event (first in the McEventCollection)
McEventCollection *events	ATLAS_NOT_CONST_THREAD_SAFE ()
	Access the current event's McEventCollection.
const HepMC::GenEvent *	event_const () const
	Access the current signal event (const)
const McEventCollection *	events_const () const
	Access the current event's McEventCollection (const)
const McEventCollection *	events_const (const EventContext &ctx) const
Particle data accessors
const ServiceHandle< IPartPropSvc >	partPropSvc () const
	Access the particle property service.
const HepPDT::ParticleDataTable &	particleTable () const
	Get a particle data table.
const HepPDT::ParticleDataTable &	pdt () const
	Shorter alias to get a particle data table.
const HepPDT::ParticleData *	particleData (int pid) const
	Access an element in the particle data table.

Protected Member Functions
virtual CLHEP::HepLorentzVector	randomizeVertex (CLHEP::HepRandomEngine *engine)
void	set_user_params (void)
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)
void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed.

Protected Attributes
IntegerProperty	m_dsid {this, "Dsid", 999999}
float	m_efrm {0.}
std::string	m_frame
std::string	m_proj
std::string	m_targ
int	m_iap {0}
int	m_iat {0}
int	m_izp {0}
int	m_izt {0}
float	m_bmin {0.}
float	m_bmax {0.}
float	m_x {0.}
float	m_y {0.}
float	m_z {0.}
bool	m_sel {false}
bool	m_spec {true}
bool	m_rand {false}
bool	m_wide {false}
bool	m_prand {false}
bool	m_keepAllDecayVertices {true}
double	m_partonStoreMinPt {5.0}
double	m_vertexOffsetCut {1.0E-7}
int	m_randomseed {0}
std::vector< long int >	m_seeds
int	m_events {0}
CommandVector	m_InitializeVector
HiParnt	m_hiparnt
RanSeed	m_ranseed
HiMain1	m_himain1
HiMain2	m_himain2
HijJet1	m_hijjet1
HijJet2	m_hijjet2
HijJet4	m_hijjet4
HiStrng	m_histrng
HijCrdn	m_hijcrdn
SG::WriteHandleKey< HijingEventParams >	m_event_paramsKey {this, "HijingOutputKey", "Hijing_event_params"}
Properties
std::string	m_mcEventKey {}
	StoreGate key for the MC event collection (defaults to GEN_EVENT)
BooleanProperty	m_mkMcEvent {this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"}
	Flag to determine if a new MC event collection should be made if it doesn't exist.

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

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

Private Attributes
DataObjIDColl	m_extendedExtraObjects
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default)
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Features for derived classes to use internally
IntegerProperty	m_randomSeed {this, "RandomSeed", 1234567, "Random seed for the built-in random engine"}
	Seed for random number engine.
BooleanProperty	m_isAfterburner {this, "IsAfterburner", false, "Set true if generator modifies existing events rather than creating new ones"}
	Flag for normal vs. afterburner generators.
CLHEP::HepRandomEngine *	getRandomEngine (const std::string &streamName, const EventContext &ctx) const
CLHEP::HepRandomEngine *	getRandomEngine (const std::string &streamName, unsigned long int randomSeedOffset, const EventContext &ctx) const
CLHEP::HepRandomEngine *	getRandomEngineDuringInitialize (const std::string &streamName, unsigned long int randomSeedOffset, unsigned int conditionsRun=1, unsigned int lbn=1) const
ServiceHandle< IAthRNGSvc >	m_rndmSvc {this, "RndmSvc", "AthRNGSvc"}
	Data members.
ServiceHandle< IIncidentSvc >	m_incidentSvc {this, "IncidentSvc", "IncidentSvc"}
	Handle on the incident service.

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

Detailed Description

Definition at line 43 of file Hijing.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

Hijing()

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

Definition at line 68 of file Hijing.cxx.

                               : GenModule(name,pSvcLocator)
{
  declareProperty("Initialize",       m_InitializeVector);
  declareProperty("partonStoreMinPt", m_partonStoreMinPt);
  declareProperty("vertexOffsetCut", m_vertexOffsetCut);
  declareProperty("randomizeVertices", m_rand); // Randomize for beam gas
  declareProperty("selectVertex", m_sel); // Select vertex location (off for random)
  declareProperty("wide", m_wide); // Allow randoms off the beamline (out to the pipe)
  declareProperty("x", m_x);
  declareProperty("y", m_y);
  declareProperty("z", m_z);
  declareProperty("keepSpectators", m_spec);
  declareProperty("randomizeP", m_prand); //BPK randomizes the left<->right direction by mirroring momenta for beam gas
  declareProperty("keepAllDecayVertices", m_keepAllDecayVertices);
}

~Hijing()

virtual Hijing::~Hijing ( )

virtualdefault

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.

callGenerator()

StatusCode Hijing::callGenerator ( )

overridevirtual

For calling the generator on each iteration of the event loop.

Reimplemented from GenModule.

Definition at line 135 of file Hijing.cxx.

{
    ATH_MSG_INFO( " HIJING generating.  \n" );
 
    // Save the random number seeds in the event
    //Re-seed the random number stream
    long seeds[7];
    const EventContext& ctx = Gaudi::Hive::currentContext();
    ATHRNG::calculateSeedsMC21(seeds, hijing_stream, ctx.eventID().event_number(), m_dsid, m_randomSeed);
    p_Engine->setSeeds(seeds, 0); // NOT THREAD-SAFE
    m_seeds.clear();
    m_seeds.push_back(seeds[0]);
    m_seeds.push_back(seeds[1]);
 
    // Generate event
    const char* frame       = m_frame.c_str();
    hijing_(frame, &m_bmin, &m_bmax, strlen(frame));
 
    // Check for error using the new (custom) error return
    //
    int errorStatus =  m_himain1.ierrstat();
    if (errorStatus != 0) {
      ATH_MSG_ERROR( "Error returned from HIJING, value = " << errorStatus );
      return  StatusCode::FAILURE;
    }
 
    // update event counter
    ++m_events;
 
    // store hijing event parameters
    // -----------------------------
    ATH_MSG_DEBUG( "New HijingEventParams" );
    int np = m_himain1.np();
    int nt = m_himain1.nt();
    int n0 = m_himain1.n0();
    int n01 = m_himain1.n01();
    int n10 = m_himain1.n10();
    int n11 = m_himain1.n11();
    int natt = m_himain1.natt();
    int jatt = m_himain1.jatt();
    float b = m_hiparnt.hint1(19);
    float bphi = m_hiparnt.hint1(20);
 
    SG::WriteHandle<HijingEventParams> event_params(m_event_paramsKey);
    event_params = std::make_unique<HijingEventParams>(np, nt, n0, n01, n10, n11, natt, jatt, b, bphi);
 
    ATH_MSG_INFO( "\n=================================================\n"
           << "  HIJING event description: \n"
           << "    b                   = " << b << " fm \n"
           << "    # proj participants = " << np << "\n"
           << "    # targ participants = " << nt << "\n"
      << "    # final particles   = " << natt << "\n"
      << "=================================================\n" );
 
    ATH_MSG_DEBUG( " HIJING generating done.  \n" );
    return StatusCode::SUCCESS;
}

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()

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

inlineprivateinherited

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

Definition at line 156 of file AthCommonDataStore.h.

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

declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & 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()

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; }

execute()

StatusCode GenModule::execute ( )

virtualinherited

Todo

Remove hard-coded alg name checking (already incomplete)

Reimplemented from GenBase.

Definition at line 70 of file GenModule.cxx.

                              {
  // Examples of how to retrieve the random number engine for a given
  // stream.
  // NB getRandomEngine should only be called once per event for a
  // given stream, as it causes the stream to be re-seeded each time
  // it is called.
 
  // Example 1 - seeded based on the current event number (+ slot, run, streamName)
  //const EventContext& ctx = Gaudi::Hive::currentContext();
  //CLHEP::HepRandomEngine* rndmEngine = this->getRandomEngine("MyStream", ctx);
 
  // Example 2 - seeded based on the m_randomSeed property (+ slot, run, streamName)
  //const EventContext& ctx = Gaudi::Hive::currentContext();
  //CLHEP::HepRandomEngine* rndmEngine = this->getRandomEngine("MyStream", m_randomSeed.value(), ctx);
 
  // Call the code that generates an event
  CHECK(this->callGenerator());
 
  // Create the MC event and send the GeneratorEvent stored in it to fillEvt
  HepMC::GenEvent* evt = HepMC::newGenEvent(1,1);
  CHECK(this->fillEvt(evt));
  HepMC::fillBarcodesAttribute(evt);
 
  // Add the event to the MC event collection
  if (events()) {
    // If this is an "afterburner" generator, replace the last event rather than add a new one
    if (m_isAfterburner.value() || name() == "Tauola" || name() == "Photos") {
      events()->pop_back();
    }
    // Add the event to the end of the collection
    events()->push_back(evt);
    ATH_MSG_DEBUG("MC event added to McEventCollection");
 
    // remove the empty event in case of ParticleDecayer
    if (name() == "ParticleDecayer") {
      events()->pop_back();
    }
  }
 
  // Call the incident service to notify that an event has been made
  m_incidentSvc->fireIncident( Incident(name(), "McEventGenerated") );
  return StatusCode::SUCCESS;
}

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();
}

fillEvt()

StatusCode Hijing::fillEvt ( HepMC::GenEvent * evt )

overridevirtual

For filling the HepMC event object.

Implements GenModule.

Definition at line 201 of file Hijing.cxx.

{
  //  These two parameters need to be made user settable (done - AS)
  //
    MsgStream log(msgSvc(), name());
    ATH_MSG_INFO( " HIJING Filing.  \n" );
 
    // Set the event number
    evt->set_event_number( m_events );
 
    // Set the random generator seeds
    HepMC::set_random_states(evt,m_seeds);
 
    // Set the generator id
    HepMC::set_signal_process_id(evt,50000000 + m_iap);
 
    // Store collision parameters
    int np = m_himain1.np();
    int nt = m_himain1.nt();
    int n0 = m_himain1.n0();
    int n01 = m_himain1.n01();
    int n10 = m_himain1.n10();
    int n11 = m_himain1.n11();
    //int natt = m_himain1.natt();
    int jatt = m_himain1.jatt();
    float b = m_hiparnt.hint1(19);
    float bphi = m_hiparnt.hint1(20);
 
    float sigmainel =  m_hiparnt.hint1(12);
 
 #ifdef HEPMC3
     HepMC::GenHeavyIonPtr ion= std::make_shared<HepMC::GenHeavyIon>();
                      ion->Ncoll_hard=static_cast<int>(jatt);
                      ion->Npart_proj=static_cast<int>(np);
                      ion->Npart_targ=static_cast<int>(nt);
                      ion->Ncoll=static_cast<int>(n0+n10+n01+n11);
                      ion->N_Nwounded_collisions=static_cast<int>(n01);
                      ion->Nwounded_N_collisions=static_cast<int>(n10);
                      ion->Nwounded_Nwounded_collisions=static_cast<int>(n11);
                      ion->spectator_neutrons=-1;
                      ion->spectator_protons=-1;
                      ion->impact_parameter= b;
                      ion->event_plane_angle=bphi;
                      ion->event_plane_angle=-1;
                      ion->sigma_inel_NN=sigmainel;
    evt->set_heavy_ion(std::move(ion));                      
#else
    HepMC::HeavyIon ion
      (
       static_cast<int>(jatt), // Ncoll_hard
       static_cast<int>(np),   // Npart_proj
       static_cast<int>(nt),   // Npart_targ
       static_cast<int>(n0+n10+n01+n11), // Ncoll
       static_cast<int>(-1),   // spectator_neutrons
       static_cast<int>(-1),   // spectator_protons
       static_cast<int>(n01),  // N_Nwounded_collisions
       static_cast<int>(n10),  // Nwounded_N_collisions
       static_cast<int>(n11),  // Nwounded_Nwounded_collisions
       b,                      // impact_parameter
       bphi,                   // event_plane_angle
       -1,                     // eccentricity
       sigmainel     );        // sigma_inel_NN
 
    evt->set_heavy_ion(std::move(ion));
    std::cout << " heavy ion " << evt->heavy_ion() << std::endl;
#endif
 
    //  Did we keep decay history?
    //
    bool keptHistory = (m_hiparnt.ihpr2(21) == 1);
 
    //  The number of particles in the hijing output
    //
    int numHijingPart = m_himain1.natt();
 
    // Vectors that will keep track of where particles originate from and die
    //
    std::vector<int> partOriginVertex_vec(numHijingPart, 0);
    std::vector<int> partDecayVertex_vec(numHijingPart, -1);
    std::vector<HepMC::GenParticlePtr> particleHepPartPtr_vec(numHijingPart, nullptr);
 
    // Vector that will keep pointers to generated vertices
    //
    std::vector<HepMC::GenVertexPtr> vertexPtrVec;
 
    // Create the event vertex
    //
    CLHEP::HepLorentzVector newVertex;
    newVertex = CLHEP::HepLorentzVector(0.,0.,0.,0.);
 
    if( m_rand )newVertex = randomizeVertex(p_Engine); // Create a random vertex along the pipe
    else if(m_sel) newVertex = CLHEP::HepLorentzVector(m_x, m_y, m_z, 0.); // Create vertex at selected point - preempted by m_rand
 
    HepMC::GenVertexPtr v1 = HepMC::newGenVertexPtr(HepMC::FourVector(newVertex.x(),newVertex.y(),newVertex.z(),newVertex.t()));
 
    HepMC::set_signal_process_vertex(evt,v1);
    vertexPtrVec.push_back(v1);
 
    double eproj = (double) m_efrm;
    if ( m_frame == "CMS     " ) eproj = eproj / 2.;
 
    int proj_id = 2212;
    if (  m_proj == "PBAR    " ) {
       proj_id = -2212;
    } else if (  m_proj == "N       " ) {
       proj_id = 2112;
    } else if (  m_proj == "NBAR    " ) {
       proj_id = -2112;
    } else if (  m_proj == "PI+     " ) {
       proj_id = 211;
    } else if (  m_proj == "PI-     " ) {
       proj_id = -211;
    } else if (  m_proj == "A       " ) {
       proj_id = 3000000 + m_iap;
    }
    HepMC::GenParticlePtr part_p = HepMC::newGenParticlePtr(HepMC::FourVector(0., 0., eproj, eproj), proj_id, 101 );
    v1->add_particle_in( part_p );
 
    double etarg = 0.;
    if ( m_frame == "CMS     " ) etarg = ( (double) m_efrm ) / 2.;
 
    int       targ_id = 2212;
    if ( m_targ == "PBAR    " ) {
       targ_id = -2212;
    } else if (  m_targ == "N       " ) {
       targ_id = 2112;
    } else if (  m_targ == "NBAR    " ) {
       targ_id = -2112;
    } else if (  m_targ == "PI+     " ) {
       targ_id = 211;
    } else if (  m_targ == "PI-     " ) {
       targ_id = -211;
    } else if (  m_targ == "A       " ) {
       targ_id = 3000000 + m_iat;
    }
    HepMC::GenParticlePtr part_t = HepMC::newGenParticlePtr(HepMC::FourVector(0., 0., -etarg, etarg), targ_id, 102 );
    v1->add_particle_in( part_t );
 
    evt->set_beam_particles(std::move(part_p),std::move(part_t));
 
    ATH_MSG_DEBUG( "Hijing particles for event # " << m_events << ":\n"
           << " px,      "
           << " py,      "
           << " pz,      "
           << " Id,      "
           << " Source,  "
           << " Parent,  "
           << " Status,  " );
 
    bool inconsistency = false;
 
    // Loop on all Hijing particles and put them all as outgoing from the event vertex
    //
    for (int i = 1; i <= m_himain1.natt(); ++i)
    {
      //  Skip non-interacting projectile and target nucleons
      //
      if (!m_spec && ((m_himain2.katt(i, 2) == 0) ||  (m_himain2.katt(i, 2)) == 10)) continue;
 
      //  Find the vertex of the parent particle
      //
      int parentIndex = m_himain2.katt(i, 3) - 1;
      int parentOriginIndex = 0;
      int parentDecayIndex = -1;
 
      //  If the particle has a true parent, record its vertex info
      //
      if (parentIndex >= 0)
      {
       parentOriginIndex = partOriginVertex_vec[parentIndex];
       parentDecayIndex = partDecayVertex_vec[parentIndex];
      }
 
      //  A CLHEP vector containing the particle start point
      //
      // If the particle has been shifted, offset the particleStart accordingly
      //
      if( m_rand || m_sel ){ // Either way, we need to shift the particle vertex
       m_himain2.vatt(i,1) += newVertex(0);
       m_himain2.vatt(i,2) += newVertex(1);
       m_himain2.vatt(i,3) += newVertex(2);
       m_himain2.vatt(i,4) += newVertex(3);
      }
 
      ATH_MSG_DEBUG( std::fixed << std::setprecision(2)
         << std::setw(5) << i << ","
         << std::setw(7) << m_himain2.patt(i, 1) << ", "
         << std::setw(7) << m_himain2.patt(i, 2) << ", "
         << std::setw(7) << m_himain2.patt(i, 3) << ", "
         << std::setw(7) << m_himain2.katt(i, 1) << ", "
         << std::setw(7) << m_himain2.katt(i, 2) << ", "
         << std::setw(7) << m_himain2.katt(i, 3) << ", "
         << std::setw(7) << m_himain2.katt(i, 4) << ", "
         << std::setw(7) << m_himain2.vatt(i, 1) << ", "
         << std::setw(7) << m_himain2.vatt(i, 2) << ", "
         << std::setw(7) << m_himain2.vatt(i, 3) );
 
      CLHEP::HepLorentzVector particleStart(m_himain2.vatt(i, 1), m_himain2.vatt(i, 2),
                                       m_himain2.vatt(i, 3), m_himain2.vatt(i, 4));
 
      //  By default, the particle originates from the primary vertex
      //
      int particleVertexIndex = 0;
 
      //  Have we kept the history?
      //
      if (keptHistory)
       {
         //  Check to see if we've already generated a decay vertex for this parent
         //
         //     std::cout << "ML-> keptHistory == True" << std::endl;
         if (parentDecayIndex != -1)
           {
             //  Make sure it is consistent with this track origin
             //
             HepGeom::Point3D<double> vertex_pos(vertexPtrVec[parentDecayIndex]->position().x(),
                                  vertexPtrVec[parentDecayIndex]->position().y(),
                                  vertexPtrVec[parentDecayIndex]->position().z());
              double distance = vertex_pos.distance(particleStart.vect());
 
              //std::cout << "ML-> distance = " << distance <<"   parentDecayIndex = "<<parentDecayIndex<< std::endl;
             if (distance > m_vertexOffsetCut)
              {
                //  We have an inconsistency, print a message
                //
                ATH_MSG_WARNING( " Inconsistency in Hijing particle vertexing, particle # " << i
                    << " starting point (x,y,z) = ("
                    << particleStart.x() << ", "
                    << particleStart.y() << ", "
                    << particleStart.z() << ") "
                    << " a distance " << distance << " away  from parent decay point " );
 
 
                // Dump the parent decay vertex
                //
                log << MSG::WARNING << " Parent decay vertex: (x,y,z) = " << vertexPtrVec[parentDecayIndex]->position().x()
                    << ", " << vertexPtrVec[parentDecayIndex]->position().y()
                    << ", " << vertexPtrVec[parentDecayIndex]->position().z()
                    << ", associated daughter IDs = ";
 
#ifdef HEPMC3
                auto vertexPtrVec_particles_out_const_begin=vertexPtrVec[parentDecayIndex]->particles_out().begin();
                auto vertexPtrVec_particles_out_const_end=vertexPtrVec[parentDecayIndex]->particles_out().end();
#else
                auto vertexPtrVec_particles_out_const_begin=vertexPtrVec[parentDecayIndex]->particles_out_const_begin();
                auto vertexPtrVec_particles_out_const_end=vertexPtrVec[parentDecayIndex]->particles_out_const_end();
#endif
                for (auto iter = vertexPtrVec_particles_out_const_begin;
                     iter != vertexPtrVec_particles_out_const_end;
                     iter++)
                  {
                    log << (*iter) << ", ";
                  }
 
                log << endmsg;
                inconsistency = true;
              }
 
             //  Nonetheless set the parent decay vertex to be this particle's vertex
             //
             particleVertexIndex = parentDecayIndex;
           }
         else
           {
             //  Now compare the distance between the vertex FROM which the parent originates and the
             //    start of this particle
             //
             HepGeom::Point3D<double> vertex_pos(vertexPtrVec[parentOriginIndex]->position().x(),
                                      vertexPtrVec[parentOriginIndex]->position().y(),
                                      vertexPtrVec[parentOriginIndex]->position().z());
                double distance = vertex_pos.distance(particleStart.vect());
 
             if (distance > m_vertexOffsetCut && parentIndex == -1)
              {
                //  *** Explicitly handle Hijing bug which generates particle with displaced vertex
                //  ***   but no parent ????
                //
 
                ATH_MSG_WARNING( "HIJING BUG:: Particle found with displaced vertex but no parent " );
                ATH_MSG_WARNING( "   Particle parameters: " << std::fixed << std::setprecision(2)
                    << std::setw(5) << i << ","
                    << std::setw(7) << m_himain2.patt(i, 1) << ", "
                    << std::setw(7) << m_himain2.patt(i, 2) << ", "
                    << std::setw(7) << m_himain2.patt(i, 3) << ", "
                    << std::setw(7) << m_himain2.katt(i, 1) << ", "
                    << std::setw(7) << m_himain2.katt(i, 2) << ", "
                    << std::setw(7) << m_himain2.katt(i, 3) << ", "
                    << std::setw(7) << m_himain2.katt(i, 4) << ", "
                    << std::setw(7) << m_himain2.vatt(i, 1) << ", "
                    << std::setw(7) << m_himain2.vatt(i, 2) << ", "
                    << std::setw(7) << m_himain2.vatt(i, 3) );
 
                //  Assign the particle to its parent's vertex
                //
                particleVertexIndex = parentOriginIndex;
                //std::cout << "ML-> case 2 distane = " << distance <<"  particleVertexIndex = "<<particleVertexIndex<< std::endl;
              }
             if( parentIndex!=-1 && ((distance > m_vertexOffsetCut || parentOriginIndex !=0) || m_keepAllDecayVertices ) )
              {
                // We need to create a new vertex
                //
                HepMC::GenVertexPtr newVertex_p = HepMC::newGenVertexPtr(HepMC::FourVector(particleStart.x(),particleStart.y(),particleStart.z(),particleStart.t()));
        evt->add_vertex(newVertex_p);
                vertexPtrVec.push_back(newVertex_p);
                particleVertexIndex = vertexPtrVec.size() - 1;
 
                //  Now we indicate that the parent has a decay vertex
                //
                partDecayVertex_vec[parentIndex] = particleVertexIndex;
 
                //  Now tell the vertex about the particle that created it
                //
 
                newVertex_p->add_particle_in(particleHepPartPtr_vec[parentIndex]);
              }
             else {
              //  Assign the particle to its parent's vertex
              //
              particleVertexIndex = parentOriginIndex;
             }
           }
       }
      else
      {
       //  We have to brute-force search for a vertex that might match this particle
       //
       int foundVert = -1;
       for (unsigned int ivert = 0; ivert < vertexPtrVec.size(); ivert++)
       {
 
         HepGeom::Point3D<double> vertex_pos(vertexPtrVec[ivert]->position().x(),
                              vertexPtrVec[ivert]->position().y(),
                              vertexPtrVec[ivert]->position().z());
         double distance = vertex_pos.distance(particleStart.vect());
         if (distance < m_vertexOffsetCut)
         {
           foundVert = ivert;
           break;
         }
       }
 
       if (foundVert == -1)
       {
         //  We need to create a new vertex
         //
         HepMC::GenVertexPtr newVertex_p = HepMC::newGenVertexPtr(HepMC::FourVector(particleStart.x(),particleStart.y(),particleStart.z(),particleStart.t()));
 
          evt->add_vertex(newVertex_p);
         vertexPtrVec.push_back(std::move(newVertex_p));
         particleVertexIndex = vertexPtrVec.size() - 1;
       }
       else
       {
         particleVertexIndex = foundVert;
       }
        //std::cout << "ML-> case 3 particleVertexIndex = "<<particleVertexIndex<< std::endl;
      }
 
      //  If the Hijing particle has decayed, set the status appropriately
      //
      int particleId = m_himain2.katt(i, 1);
      int particleStatus = 1;
      if (m_himain2.katt(i, 4) == 11) particleStatus = 2;
 
      // Create the new particle
      //
      HepMC::FourVector particleP4(m_himain2.patt(i, 1),
                              m_himain2.patt(i, 2),
                              m_himain2.patt(i, 3),
                              m_himain2.patt(i, 4));
 
      HepMC::GenParticlePtr newParticle_p = HepMC::newGenParticlePtr(particleP4, particleId,
                                                         particleStatus);
 
      //  Record the particle in the vector of pointers
      //    (ostensibly we only need this when we have the
      //     history but for simplicity always do it)
      //
      particleHepPartPtr_vec[i-1] = newParticle_p;
 
      // Now add the particle to its vertex
      //
      vertexPtrVec[particleVertexIndex]->add_particle_out(std::move(newParticle_p));
      partOriginVertex_vec[i-1] = particleVertexIndex;
 
    }
 
    if (inconsistency)
      {
       for (int i = 1; i <= m_himain1.natt(); ++i)
         {
           //  Skip non-interacting projectile and target nucleons
           //
           if (!m_spec && ((m_himain2.katt(i, 2) == 0) ||  (m_himain2.katt(i, 2)) == 10)) continue;
 
           ATH_MSG_WARNING( "  Hijing.cxx  inconsistency: " <<  std::fixed << std::setprecision(2)
             //  std::cout << std::fixed << std::setprecision(2)
              << std::setw(5) << i << ","
              << std::setw(7) << m_himain2.patt(i, 1) << ", "
              << std::setw(7) << m_himain2.patt(i, 2) << ", "
              << std::setw(7) << m_himain2.patt(i, 3) << ", "
              << std::setw(7) << m_himain2.katt(i, 1) << ", "
              << std::setw(7) << m_himain2.katt(i, 2) << ", "
              << std::setw(7) << m_himain2.katt(i, 3) << ", "
              << std::setw(7) << m_himain2.katt(i, 4) << ", "
              << std::setw(7) << m_himain2.vatt(i, 1) << ", "
              << std::setw(7) << m_himain2.vatt(i, 2) << ", "
              << std::setw(7) << m_himain2.vatt(i, 3) );
         }
      }
 
    // Generate documentation lines for high-pt partons
    //
    for (int isg = 1; isg <= m_hijjet2.nsg(); isg++)
    {
      for (int jparton = 1; jparton <= m_hijjet2.njsg(isg); jparton++)
      {
       double px = m_hijjet2.pxsg(isg, jparton);
       double py = m_hijjet2.pysg(isg, jparton);
       double pz = m_hijjet2.pzsg(isg, jparton);
       double mass = m_hijjet2.pmsg(isg, jparton);
 
       double ptsq = px*px + py*py;
       double e = std::sqrt(ptsq + pz*pz + mass*mass);
       double mt = std::sqrt(ptsq + mass*mass);
       double pt = std::sqrt(ptsq);
 
       double pseud = 0.5*std::log((e + pz)/(e - pz));
 
       int partonId = m_hijjet2.k2sg(isg, jparton);
 
       if (mt > m_partonStoreMinPt)
       {
         ATH_MSG_DEBUG( "hijjet2 entry: isg = " << isg
             << ", pt = " << pt
             << ", mt = " << mt
             << ", eta = " << pseud );
 
         //  Add aaa non-tracked entry in the hepmc event with status code 103 (temporary)
         //
         v1->add_particle_out( HepMC::newGenParticlePtr( HepMC::FourVector(px, py, pz, e), partonId, 103 ) );
       }
      }
    }
 
    // Generate documentation lines for high-pt partons
    //
    int iap = m_hiparnt.ihnt2(1);  // # of projectile nucleons
    int iat = m_hiparnt.ihnt2(3);  // # of target nucleons
 
    for (int iproj = 1; iproj <= iap; iproj++)
    {
      for (int jparton = 1; jparton <= m_hijjet1.npj(iproj); jparton++)
      {
       double px = m_hijjet1.pjpx(iproj, jparton);
       double py = m_hijjet1.pjpy(iproj, jparton);
       double pz = m_hijjet1.pjpz(iproj, jparton);
       double mass = m_hijjet1.pjpm(iproj, jparton);
 
       double ptsq = px*px + py*py;
       double e = std::sqrt(ptsq + pz*pz + mass*mass);
       double mt = std::sqrt(ptsq + mass*mass);
       double pt = std::sqrt(ptsq);
 
       double pseud = 0.5*std::log((e + pz)/(e - pz));
 
       int partonId = m_hijjet1.kfpj(iproj, jparton);
 
       if (mt > m_partonStoreMinPt)
       {
         ATH_MSG_DEBUG( "hijjet1 entry: iproj = " << iproj
             << ", pt = " << pt
             << ", mt = " << mt
             << ", eta = " << pseud );
 
         //  Add aaa non-tracked entry in the hepmc event with status code 103 (temporary)
         //
         v1->add_particle_out( HepMC::newGenParticlePtr( HepMC::FourVector(px, py, pz, e), partonId, 103 ) );
       }
      }
    }
 
    //  Now for target nucleons
    //
    for (int itarg = 1; itarg <= iat; itarg++)
    {
      for (int jparton = 1; jparton <= m_hijjet1.ntj(itarg); jparton++)
      {
       double px = m_hijjet1.pjtx(itarg, jparton);
       double py = m_hijjet1.pjty(itarg, jparton);
       double pz = m_hijjet1.pjtz(itarg, jparton);
       double mass = m_hijjet1.pjtm(itarg, jparton);
 
       double ptsq = px*px + py*py;
       double e = std::sqrt(ptsq + pz*pz + mass*mass);
       double mt = std::sqrt(ptsq + mass*mass);
       double pt = std::sqrt(ptsq);
 
       double pseud = 0.5*std::log((e + pz)/(e - pz));
 
       int partonId = m_hijjet1.kftj(itarg, jparton);
 
       if (mt > m_partonStoreMinPt)
       {
         ATH_MSG_DEBUG( "hijjet1 entry: itarg = " << itarg
             << ", pt = " << pt
             << ", mt = " << mt
             << ", eta = " << pseud );
 
         //  Add aaa non-tracked entry in the hepmc event with status code 103 (temporary)
         //
         v1->add_particle_out( HepMC::newGenParticlePtr( HepMC::FourVector(px, py, pz, e), partonId, 103 ) );
       }
      }
    }
 
#ifdef HEPMC3
    // Convert GeV ->  MeV to ensure correct units
    evt->set_units(HepMC3::Units::MEV, HepMC3::Units::MM);
#endif
 
    //BPK-> Loop over the particles in the event, if p needs to be mirrored:
    if( m_prand ){
      HepMC::FourVector tmpmom(0.,0.,0.,0.);
      double ranz = CLHEP::RandFlat::shoot(p_Engine);
      //      std::cout <<"random="<<ranz <<std::endl;
      if (ranz < 0.5) {
       //      std::cout <<"flip="<<ranz <<std::endl;
      for(auto  pitr: *evt){
       tmpmom= pitr->momentum();
       tmpmom.setX(-tmpmom.x());
       tmpmom.setY(-tmpmom.y());
       tmpmom.setZ(-tmpmom.z());
       tmpmom.setT(tmpmom.t());
       pitr->set_momentum(tmpmom);
       }
      }
    }
    //BPK-<
 
    return StatusCode::SUCCESS;
}

finalize()

StatusCode GenModule::finalize ( )

inlineinherited

Definition at line 55 of file GenModule.h.

{ return genFinalize(); }

genFinalize()

StatusCode Hijing::genFinalize ( )

overridevirtual

For finalising the generator, if required.

Reimplemented from GenModule.

Definition at line 194 of file Hijing.cxx.

{
    ATH_MSG_INFO( " HIJING Ending.  \n" );
    return StatusCode::SUCCESS;
}

genInitialize()

StatusCode Hijing::genInitialize ( )

overridevirtual

For initializing the generator, if required.

Reimplemented from GenModule.

Definition at line 85 of file Hijing.cxx.

{
    ATH_CHECK(m_event_paramsKey.initialize());
 
    // Initialisation of input parameters
    std::cout << "MetaData: generator = Hijing "
              << HIJINGVERSION << std::endl;
    ATH_MSG_INFO( "===> Hijing initialising  \n" );
    if( m_rand ){
      ATH_MSG_INFO( "===> Vertex randomization ON." );
    }
    if( m_wide ){
      ATH_MSG_INFO( "===> Vertex rand covers whole beampipe." );
    }
    //BPK
    if( m_prand ) ATH_MSG_INFO( "===> Random Momentum Mirroring enabled" );
    if( m_keepAllDecayVertices ) ATH_MSG_INFO( "===> Keeping all decay vertices" );
    else ATH_MSG_INFO( "===> NOT keeping all decay vertices" );
 
#ifdef HEPMC3
    ATH_MSG_INFO( "===> HEPMC3 is used" );
#else
    ATH_MSG_INFO( "===> HEPMC3 is not used" );
#endif
 
    //CLHEP::HepRandomEngine* engine
    p_Engine = getRandomEngineDuringInitialize(hijing_stream, m_randomSeed, m_dsid); // NOT THREAD-SAFE
    hijing_stream       =       "HIJING";
 
    // Set the users' initialisation parameters choices
    set_user_params();
 
    const char* frame       = m_frame.c_str();
    const char* proj        = m_proj.c_str();
    const char* targ        = m_targ.c_str();
 
    hijset_( &m_efrm, frame, proj, targ, &m_iap, &m_izp, &m_iat, &m_izt,
            strlen(frame), strlen(proj), strlen(targ) );
 
    ATH_MSG_INFO( "\n=================================================\n"
           << "  HIJING initialization results: \n"
           << "    Total sigma     = " << m_hiparnt.hint1(13) << " mb\n"
           << "    Inelastic sigma = " << m_hiparnt.hint1(12) << " mb\n"
           << "    Jet sigma       = " << m_hiparnt.hint1(11) << " mb\n"
      << "=================================================\n" );
 
 
    return StatusCode::SUCCESS;
}

genuserInitialize()

virtual StatusCode GenModule::genuserInitialize ( )

inlinevirtualinherited

For initialization of user code, if required. Called after genInitialize.

Reimplemented in Pythia8B_i.

Definition at line 64 of file GenModule.h.

{ return StatusCode::SUCCESS; }

getRandomEngine() [1/2]

CLHEP::HepRandomEngine * GenModule::getRandomEngine ( const std::string & streamName, const EventContext & ctx ) const

protectedinherited

Definition at line 34 of file GenModule.cxx.

{
  ATHRNG::RNGWrapper* rngWrapper = m_rndmSvc->getEngine(this, streamName);
  std::string rngName = name()+streamName;
  rngWrapper->setSeed( rngName, ctx );
  return rngWrapper->getEngine(ctx);
}

getRandomEngine() [2/2]

CLHEP::HepRandomEngine * GenModule::getRandomEngine ( const std::string & streamName, unsigned long int randomSeedOffset, const EventContext & ctx ) const

protectedinherited

Definition at line 44 of file GenModule.cxx.

{
  ATHRNG::RNGWrapper* rngWrapper = m_rndmSvc->getEngine(this, streamName);
  rngWrapper->setSeed( streamName, ctx.slot(), randomSeedOffset, ctx.eventID().run_number() );
  return rngWrapper->getEngine(ctx);
}

getRandomEngineDuringInitialize()

CLHEP::HepRandomEngine * GenModule::getRandomEngineDuringInitialize ( const std::string & streamName, unsigned long int randomSeedOffset, unsigned int conditionsRun = 1, unsigned int lbn = 1 ) const

protectedinherited

Definition at line 53 of file GenModule.cxx.

{
  const size_t slot=0;
  EventContext ctx;
  ctx.setSlot( slot );
  ctx.setEventID (EventIDBase (conditionsRun,
               EventIDBase::UNDEFEVT,  // event
               EventIDBase::UNDEFNUM,  // timestamp
               EventIDBase::UNDEFNUM,  // timestamp ns
               lbn));
  Atlas::setExtendedEventContext(ctx,
                                 Atlas::ExtendedEventContext( evtStore()->hiveProxyDict(),
                                                              conditionsRun) );
  return getRandomEngine(streamName, randomSeedOffset, ctx);
}

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 GenModule::initialize ( )

virtualinherited

Reimplemented from GenBase.

Definition at line 21 of file GenModule.cxx.

                                 {
  // Base class initializations
  CHECK(GenBase::initialize());
  // Get the random number service
  CHECK(m_rndmSvc.retrieve());
  // Get the incident service
  CHECK(m_incidentSvc.retrieve());
  CHECK(genInitialize());
  CHECK(genuserInitialize());
  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()

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

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

msgLvl()

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

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

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(); }

randomizeVertex()

CLHEP::HepLorentzVector Hijing::randomizeVertex ( CLHEP::HepRandomEngine * engine )

protectedvirtual

Definition at line 745 of file Hijing.cxx.

{
  // Check the range in Z for the correct pipe diameter
  // Definitions of constants are in VertexShift.h
 
  using namespace VertexShift;
 
  double ranx, rany, xmax, ymax;
  double ranz = CLHEP::RandFlat::shoot(engine, -Zmax, Zmax);
  if( m_wide ){ // Allow the whole pipe
    if( std::abs(ranz) < Start1 ) {
      xmax = Xmin + Delta1;
      ymax = xmax;
    } else if( std::abs(ranz) < Start2 ) {
      xmax = Xmin + Delta2;
      ymax = xmax;
    } else if( std::abs(ranz) < Start3 ) {
      xmax = Xmin + Delta3;
      ymax = xmax;
    } else if ( std::abs(ranz) <= Envelope ){
      xmax = Xmin;
      ymax = xmax;
    } else {
      ATH_MSG_ERROR( "**** Hijing::randomizeVertex()  " << ranz << " (z) is outside the detector (units of mm). Returning a centered event." );
      return CLHEP::HepLorentzVector(0.,0.,0.,0.);
    }
  } else {
    ATH_MSG_INFO( "New Coordinates: x=0., y=0., z=" << ranz       );
    return CLHEP::HepLorentzVector(0., 0., ranz, 0); // Allow distribution just along the beam (no "width", m_wide is false (default))
  }
  ranx = CLHEP::RandFlat::shoot(engine, -xmax, xmax);
  rany = CLHEP::RandFlat::shoot(engine, -ymax, ymax);
 
  ATH_MSG_INFO( "New Coordinates: x=" << ranx << ", y=" << rany << ", z=" << ranz );
 
  return CLHEP::HepLorentzVector(ranx, rany, ranz, 0);
}

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();
  }

set_user_params()

void Hijing::set_user_params ( void )

protected

Definition at line 784 of file Hijing.cxx.

{
    // set up the DEFAULT input parameters to hijset: these can be changed by the user ...
    m_efrm       = 14000.;
    m_frame       = "CMS     ";
    m_proj       = "P       ";
    m_targ       = "P       ";
    m_iap             = 1;
    m_iat             = 1;
    m_izp             = 1;
    m_izt             = 1;
    // ... and to hijing
    m_bmin       = 0.;
    m_bmax       = 0.;
 
    // Set user Initialization parameters
    for(CommandVector::iterator i = m_InitializeVector.begin(); i != m_InitializeVector.end(); ++i )
    {
       ATH_MSG_INFO( " Hijing init. Command is: " << *i );
       StringParse mystring(*i);
       std::string myparam = mystring.piece<std::string>(1);
       if (myparam == "efrm")
       {
           m_efrm = mystring.piece<double>(2);
       }
       else if (myparam == "frame")
       {
           m_frame       = mystring.piece<std::string>(2);
           if (m_frame.size() < 8)
           {
              unsigned nbl = 8 - m_frame.size();
              for (unsigned i = 0; i < nbl; ++i) m_frame += ' ';
           }
       }
       else if (myparam == "proj")
       {
           m_proj       = mystring.piece<std::string>(2);
           if (m_proj.size() < 8)
           {
              unsigned nbl = 8 - m_proj.size();
              for (unsigned i = 0; i < nbl; ++i) m_proj += ' ';
           }
       }
       else if (myparam == "targ")
       {
           m_targ       = mystring.piece<std::string>(2);
           if (m_targ.size() < 8)
           {
              unsigned nbl = 8 - m_targ.size();
              for (unsigned i = 0; i < nbl; ++i) m_targ += ' ';
           }
       }
       else if (myparam == "iap")
       {
           m_iap       = mystring.piece<int>(2);
       }
       else if (myparam == "izp")
       {
           m_izp       = mystring.piece<int>(2);
       }
       else if (myparam == "iat")
       {
           m_iat       = mystring.piece<int>(2);
       }
       else if (myparam == "izt")
       {
           m_izt       = mystring.piece<int>(2);
       }
       else if (myparam == "bmin")
       {
           m_bmin       = mystring.piece<double>(2);
       }
       else if (myparam == "bmax")
       {
           m_bmax       = mystring.piece<double>(2);
       }
       else if (myparam == "nseed")
       {
           m_ranseed.nseed()         = mystring.piece<int>(2);
       }
       else if (myparam == "hipr1")
       {
           int              myelem  = mystring.piece<int>(2);
           m_hiparnt.hipr1(myelem) = mystring.piece<double>(3);
       }
       else if (myparam == "ihpr2")
       {
           int              myelem  = mystring.piece<int>(2);
           m_hiparnt.ihpr2(myelem) = mystring.piece<int>(3);
       }
       else if (myparam == "hint1")
       {
           int              myelem  = mystring.piece<int>(2);
           m_hiparnt.hint1(myelem) = mystring.piece<double>(3);
       }
       else if (myparam == "ihnt2")
       {
           int              myelem  = mystring.piece<int>(2);
           m_hiparnt.ihnt2(myelem) = mystring.piece<int>(3);
       }
       else
       {
           ATH_MSG_ERROR( " ERROR in HIJING INITIALIZATION PARAMETERS   " << myparam << " is an invalid parameter !" );
       }
    }
}

sysInitialize()

StatusCode AthAlgorithm::sysInitialize ( )

overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

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

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

Reimplemented from AthCommonDataStore< AthCommonMsg< Algorithm > >.

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

Definition at line 66 of file AthAlgorithm.cxx.

                                       {
  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_bmax

float Hijing::m_bmax {0.}

protected

Definition at line 70 of file Hijing.h.

{0.};

m_bmin

float Hijing::m_bmin {0.}

protected

Definition at line 69 of file Hijing.h.

{0.};

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_dsid

IntegerProperty Hijing::m_dsid {this, "Dsid", 999999}

protected

Definition at line 57 of file Hijing.h.

{this, "Dsid", 999999};

m_efrm

float Hijing::m_efrm {0.}

protected

Definition at line 60 of file Hijing.h.

{0.};

m_event_paramsKey

SG::WriteHandleKey<HijingEventParams> Hijing::m_event_paramsKey {this, "HijingOutputKey", "Hijing_event_params"}

protected

Definition at line 117 of file Hijing.h.

{this, "HijingOutputKey", "Hijing_event_params"};

m_events

int Hijing::m_events {0}

protected

Definition at line 95 of file Hijing.h.

{0};

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_frame

std::string Hijing::m_frame

protected

Definition at line 61 of file Hijing.h.

m_hijcrdn

HijCrdn Hijing::m_hijcrdn

protected

Definition at line 113 of file Hijing.h.

m_hijjet1

HijJet1 Hijing::m_hijjet1

protected

Definition at line 109 of file Hijing.h.

m_hijjet2

HijJet2 Hijing::m_hijjet2

protected

Definition at line 110 of file Hijing.h.

m_hijjet4

HijJet4 Hijing::m_hijjet4

protected

Definition at line 111 of file Hijing.h.

m_himain1

HiMain1 Hijing::m_himain1

protected

Definition at line 107 of file Hijing.h.

m_himain2

HiMain2 Hijing::m_himain2

protected

Definition at line 108 of file Hijing.h.

m_hiparnt

HiParnt Hijing::m_hiparnt

protected

Definition at line 101 of file Hijing.h.

m_histrng

HiStrng Hijing::m_histrng

protected

Definition at line 112 of file Hijing.h.

m_iap

int Hijing::m_iap {0}

protected

Definition at line 64 of file Hijing.h.

{0};

m_iat

int Hijing::m_iat {0}

protected

Definition at line 65 of file Hijing.h.

{0};

m_incidentSvc

ServiceHandle<IIncidentSvc> GenModule::m_incidentSvc {this, "IncidentSvc", "IncidentSvc"}

privateinherited

Handle on the incident service.

Definition at line 101 of file GenModule.h.

{this, "IncidentSvc", "IncidentSvc"};

m_InitializeVector

CommandVector Hijing::m_InitializeVector

protected

Definition at line 98 of file Hijing.h.

m_isAfterburner

BooleanProperty GenModule::m_isAfterburner {this, "IsAfterburner", false, "Set true if generator modifies existing events rather than creating new ones"}

protectedinherited

Flag for normal vs. afterburner generators.

Definition at line 87 of file GenModule.h.

{this, "IsAfterburner", false, "Set true if generator modifies existing events rather than creating new ones"};

m_izp

int Hijing::m_izp {0}

protected

Definition at line 66 of file Hijing.h.

{0};

m_izt

int Hijing::m_izt {0}

protected

Definition at line 67 of file Hijing.h.

{0};

m_keepAllDecayVertices

bool Hijing::m_keepAllDecayVertices {true}

protected

Definition at line 84 of file Hijing.h.

{true};

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.

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

m_mkMcEvent

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

protectedinherited

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

Definition at line 139 of file GenBase.h.

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

m_partonStoreMinPt

double Hijing::m_partonStoreMinPt {5.0}

protected

Definition at line 87 of file Hijing.h.

{5.0};

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.

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

m_prand

bool Hijing::m_prand {false}

protected

Definition at line 83 of file Hijing.h.

{false}; //BPK mirror event randomly

m_proj

std::string Hijing::m_proj

protected

Definition at line 62 of file Hijing.h.

m_rand

bool Hijing::m_rand {false}

protected

Definition at line 81 of file Hijing.h.

{false};

m_randomSeed

IntegerProperty GenModule::m_randomSeed {this, "RandomSeed", 1234567, "Random seed for the built-in random engine"}

protectedinherited

Seed for random number engine.

Definition at line 84 of file GenModule.h.

{this, "RandomSeed", 1234567, "Random seed for the built-in random engine"}; // FIXME make this into an unsigned long int?

m_randomseed

int Hijing::m_randomseed {0}

protected

Definition at line 91 of file Hijing.h.

{0};

m_ranseed

RanSeed Hijing::m_ranseed

protected

Definition at line 104 of file Hijing.h.

m_rndmSvc

ServiceHandle<IAthRNGSvc> GenModule::m_rndmSvc {this, "RndmSvc", "AthRNGSvc"}

privateinherited

Data members.

Definition at line 99 of file GenModule.h.

{this, "RndmSvc", "AthRNGSvc"};

m_seeds

std::vector<long int> Hijing::m_seeds

protected

Definition at line 92 of file Hijing.h.

m_sel

bool Hijing::m_sel {false}

protected

Definition at line 77 of file Hijing.h.

{false}; // Vertex shifting on or off

m_spec

bool Hijing::m_spec {true}

protected

Definition at line 78 of file Hijing.h.

{true}; // TRUE  will keep specator information (default)

m_targ

std::string Hijing::m_targ

protected

Definition at line 63 of file Hijing.h.

m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Algorithm > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

m_vertexOffsetCut

double Hijing::m_vertexOffsetCut {1.0E-7}

protected

Definition at line 88 of file Hijing.h.

{1.0E-7};

m_vhka

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

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

m_wide

bool Hijing::m_wide {false}

protected

Definition at line 82 of file Hijing.h.

{false}; // True allows particles with x,y distributions

m_x

float Hijing::m_x {0.}

protected

Definition at line 74 of file Hijing.h.

{0.};

m_y

float Hijing::m_y {0.}

protected

Definition at line 75 of file Hijing.h.

{0.};

m_z

float Hijing::m_z {0.}

protected

Definition at line 76 of file Hijing.h.

{0.};

---

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

• Hijing.h
• Hijing.cxx