The Evt class respresent a Monte Carlo (MC) event as well as an offline event. More...

#include <Evt.hh>

Inheritance diagram for Evt:

Public Member Functions
	Evt ()
	Default constructor. More...

void	print (std::ostream &out=std::cout) const
	Print event. More...

void	clear ()
	Reset event. More...

void	clear_hits ()
	Clear the hit vectors and all the references to hits in the tracks. More...

std::vector< const Trk * >	primary_trks () const
	Return a vector with const pointers to the tracks that are 'primary'. More...

std::vector< Trk * >	primary_trks ()
	Return a vector of pointers to tracks that are 'primary'. More...

const Trk *	neutrino () const
	Get a const pointer to the (first) neutrino from the MC track list. More...

Trk *	neutrino ()
	Get a pointer to the (first) neutrino from the MC track list. More...

const Trk *	primary_neutrino () const
	Get a const pointer to primary neutrino from the MC track list. More...

Trk *	primary_neutrino ()
	Get a pointer to primary neutrino from the MC track list. More...

const Trk *	leading_lepton () const
	Get a const pointer to the first leading lepton from the MC track list. More...

Trk *	leading_lepton ()
	Get a pointer to leading lepton from the MC track list. More...

const Trk *	get_parent_of (const Trk &child) const
	Get a const pointer to the (first) parent of the track 'child'. More...

Trk *	get_parent_of (const Trk &child)
	Get a pointer ot the (first) parent of the track 'child'. More...

int	idx (const std::string &key) const
	Get index in user data of the item with given key. More...

bool	haveusr (const std::string &key) const
	Check availability of user data of the item with given key. More...

int	idxusr_checked (const std::string &key) const
	Get index in user data of the item with given key. More...

double	getusr (const std::string &key) const
	Get user data item with given key. More...

void	setusr (const std::string &key, double value)
	Set user data item with given key. More...

bool	delusr (const std::string &key)
	Remove (first) user data item with given key. More...

void	clearusr ()
	Clear user data. More...

void	printusr (std::ostream &out=std::cout)
	Print user data (i.e. More...

Static Public Member Functions
static void	actionAtFileOpen (int version)
	Action method at file open. More...

Public Attributes
int	id
	offline event identifier More...

int	det_id
	detector identifier from DAQ More...

int	mc_id
	identifier of the MC event (as found in ascii or antcc file). More...

int	run_id
	DAQ run identifier. More...

int	mc_run_id
	MC run identifier. More...

int	frame_index
	from the raw data More...

ULong64_t	trigger_mask
	trigger mask from raw data (i.e. the trigger bits) More...

ULong64_t	trigger_counter
	trigger counter More...

unsigned int	overlays
	number of overlaying triggered events More...

TTimeStamp	t
	UTC time of the timeslice, or the event_time for MC. (default: 01 Jan 1970 00:00:00) More...

uuid_t	header_uuid
	UUID of header containing the event-weight information. More...

std::vector< Hit >	hits
	list of hits More...

std::vector< Trk >	trks
	list of reconstructed tracks (can be several because of prefits,showers, etc). More...

std::vector< double >	w
	MC: Weights w[0]=w1, w[1]=w2, w[2]=w3 (see e.g. Tag list or km3net-dataformat/definitions) More...

std::vector< double >	w2list
	MC: factors that make up w[1]=w2 (see e.g. Tag list or km3net-dataformat/definitions) More...

std::vector< double >	w3list
	MC: atmospheric flux information. More...

TTimeStamp	mc_event_time
	MC: true generation time (UTC) of the event, (default: 01 Jan 1970 00:00:00) More...

double	mc_t
	MC: time where the mc-event was put in the timeslice, since start of run (offset+frameidx*timeslice_duration) More...

std::vector< Hit >	mc_hits
	MC: list of MC truth hits. More...

std::vector< Trk >	mc_trks
	MC: list of MC truth tracks. More...

TString	comment
	user can use this as he/she likes More...

int	index
	user can use this as he/she likes More...

int	flags
	user can use this as he/she likes More...

std::vector< double >	usr
	user data More...

std::vector< std::string >	usr_names
	user keys More...

TObject *	any
	Pointer to "any" user data. More...

Static Public Attributes
static int	ROOT_IO_VERSION = -1
	Streamer version as obtained from ROOT file. More...

Detailed Description

The Evt class respresent a Monte Carlo (MC) event as well as an offline event.

Some data from the online (DAQ) event are copied.

Definition at line 20 of file Evt.hh.

Constructor & Destructor Documentation

◆ Evt()

Evt::Evt ( )

inline

Default constructor.

Definition at line 60 of file Evt.hh.

         :
     id(0), det_id(0), mc_id(0), run_id(0), mc_run_id(0), frame_index(0),
     trigger_mask(0), trigger_counter(0),
     overlays(0), t(0), mc_event_time(0), mc_t(0), index(0), flags(0)
   {
     uuid_clear(this->header_uuid);
   }

Member Function Documentation

◆ print()

void Evt::print ( std::ostream & out = std::cout ) const

inline

Print event.

Parameters

out	output stream

Definition at line 74 of file Evt.hh.

   {
     out << "Evt: id=" << id <<
         " run_id=" << run_id <<
         " #hits=" << hits.size() <<
         " #mc_hits=" << mc_hits.size() <<
         " #trks=" << trks.size() <<
         " #mc_trks=" << mc_trks.size() << std::endl;
   }

◆ clear()

void Evt::clear ( )

inline

Reset event.

Definition at line 88 of file Evt.hh.

   {
     *this = Evt();
   }

◆ clear_hits()

void Evt::clear_hits ( )

inline

Clear the hit vectors and all the references to hits in the tracks.

Definition at line 97 of file Evt.hh.

   {
     hits.clear();
     mc_hits.clear();
     for (auto& t : trks )    t.hit_ids.clear();
     for (auto& t : mc_trks ) t.hit_ids.clear();
   }

◆ primary_trks() [1/2]

std::vector<const Trk*> Evt::primary_trks ( ) const

inline

Return a vector with const pointers to the tracks that are 'primary'.

Here, primary means the tracks have no parents.

This method only works if MC parent-child relations are availabe.

Returns: list of pointers to primary tracks

Definition at line 114 of file Evt.hh.

   {
     std::vector<const Trk*> r;
     for (auto& t : mc_trks )
     {
       if ( t.is_primary() ) r.push_back(&t);
     }
     return r;
   }

◆ primary_trks() [2/2]

std::vector<Trk*> Evt::primary_trks ( )

inline

Return a vector of pointers to tracks that are 'primary'.

Here, primary means the tracks have no parents.

Returns: list of pointers to primary tracks

Definition at line 131 of file Evt.hh.

   {
     std::vector<Trk*> r;
     for (auto& t : mc_trks )
     {
       if ( t.is_primary() ) r.push_back(&t);
     }
     return r;
   }

◆ neutrino() [1/2]

const Trk* Evt::neutrino ( ) const

inline

Get a const pointer to the (first) neutrino from the MC track list.

Returns: pointer to neutrino (nullptr if no neutrino is in the list)

Definition at line 147 of file Evt.hh.

   {
     for (auto& t : mc_trks )
     {
       if ( t.is_neutrino() ) return &t;
     }
     return nullptr;
   }

◆ neutrino() [2/2]

Trk* Evt::neutrino ( )

inline

Get a pointer to the (first) neutrino from the MC track list.

Returns: const pointer to neutrino (nullptr if no neutrino is in the list)

Definition at line 162 of file Evt.hh.

   {
     // see Effective C++, Scott Meyers, ISBN-13: 9780321334879.
     return const_cast<Trk *>(static_cast<const Evt &>(*this).neutrino() );
   }

◆ primary_neutrino() [1/2]

const Trk* Evt::primary_neutrino ( ) const

inline

Get a const pointer to primary neutrino from the MC track list.

Only works if MC parent-child relations are availabe.

Returns: const pointer to primary neutrino (may be nullptr)

Definition at line 176 of file Evt.hh.

   {
     for ( auto& t : mc_trks )
     {
       if ( t.is_neutrino() and t.is_primary() ) return &t;
     }
     return nullptr;
   }

◆ primary_neutrino() [2/2]

Trk* Evt::primary_neutrino ( )

inline

Get a pointer to primary neutrino from the MC track list.

Only works if MC parent-child relations are availabe.

Returns: pointer to primary neutrino

Definition at line 192 of file Evt.hh.

   {
     return const_cast<Trk *>(static_cast<const Evt &>(*this).primary_neutrino() );
   }

◆ leading_lepton() [1/2]

const Trk* Evt::leading_lepton ( ) const

inline

Get a const pointer to the first leading lepton from the MC track list.

Here, leading means the lepton that has a neutrino as mother.

Only works if MC parent-child relations are availabe.

Returns: pointer to leadig lepton (may be nullptr in case not found)

Definition at line 206 of file Evt.hh.

   {
     const Trk* nu = primary_neutrino();
     if (!nu) return nullptr;
  
     for (auto& t : mc_trks )
     {
       if ( t.is_lepton()    &&
       t.mother_id == nu->id &&
       !t.is_orphan() ) return &t;
     }
     return nullptr;
   }

◆ leading_lepton() [2/2]

Trk* Evt::leading_lepton ( )

inline

Get a pointer to leading lepton from the MC track list.

Here, leading means the lepton that has a neutrino as mother.

Only works if MC parent-child relations are availabe.

Returns: pointer to leadig lepton (may be nullptr in case not found)

Definition at line 228 of file Evt.hh.

   {
     return const_cast<Trk *>(static_cast<const Evt &>(*this).leading_lepton() );
   }

◆ get_parent_of() [1/2]

const Trk* Evt::get_parent_of ( const Trk & child ) const

inline

Get a const pointer to the (first) parent of the track 'child'.

This method return nullptr if no parent is found.

Parameters

child child particle

Returns: pointer to parent

Definition at line 240 of file Evt.hh.

   {
     for (auto& t : mc_trks )
     {
       if (child.mother_id == t.id ) return &t;
     }
     return nullptr;
   }

◆ get_parent_of() [2/2]

Trk* Evt::get_parent_of ( const Trk & child )

inline

Get a pointer ot the (first) parent of the track 'child'.

This method return nullptr if no parent is found.

Parameters

child child particle

Returns: pointer to parent

Definition at line 258 of file Evt.hh.

   {
     return const_cast<Trk *>(static_cast<const Evt &>(*this).get_parent_of(child) );
   }

◆ actionAtFileOpen()

static void Evt::actionAtFileOpen ( int version )

inlinestatic

Action method at file open.

Parameters

version version

Definition at line 269 of file Evt.hh.

   {
     ROOT_IO_VERSION = version;
   }

◆ idx()

int AAObject::idx ( const std::string & key ) const

inlineinherited

Get index in user data of the item with given key.

Parameters

key key

Returns: index (-1 if key does not exists)

Definition at line 29 of file AAObject.hh.

   {
     auto i = std::find (usr_names.begin(), usr_names.end(), key );
     if (i == usr_names.end()) return -1;
     return i - usr_names.begin();
   }

◆ haveusr()

bool AAObject::haveusr ( const std::string & key ) const

inlineinherited

Check availability of user data of the item with given key.

Parameters

key key

Returns: true if available; else false

Definition at line 42 of file AAObject.hh.

   {
     return idx( key ) >= 0;
   }

◆ idxusr_checked()

int AAObject::idxusr_checked ( const std::string & key ) const

inlineinherited

Get index in user data of the item with given key.

This method throws a run-time exception if no user data are available.

Parameters

key key

Returns: index (-1 if key does not exists)

Definition at line 54 of file AAObject.hh.

   {
     int r = idx( key );
     if (r < 0)
     {
       THROW(Exception, "No user data for key " << key << " in aanet object of type " << this -> ClassName());
     }
     return r;
   }

◆ getusr()

double AAObject::getusr ( const std::string & key ) const

inlineinherited

Get user data item with given key.

This method throws a run-time exception if no user data are available.

Parameters

key key

Returns: value

Definition at line 72 of file AAObject.hh.

   {
     const int i = idx( key );
  
     if ( i  < 0 )
     {
       THROW(Exception, "No user data for key " << key << " in aanet object of type " << this -> ClassName());
     }
  
     if ( unsigned(i) >= usr.size() )
     {
       THROW(Exception, "Warning: inconsistent user data " << i << " >= " << usr.size());
     }
  
     return usr[i];
   }

◆ setusr()

void AAObject::setusr	(	const std::string &	key,
		double	value
	)

inlineinherited

Set user data item with given key.

Parameters

key	key
value	value

Definition at line 95 of file AAObject.hh.

   {
     int i = idx( key );
     if (i < 0)
     {
       if ( usr.size() < usr_names.size() )
       {
         // this should not happen, but let's just add empty data
         usr.resize( usr_names.size() );
       }
       else
       {
         // this is possible, add empty ("") names
         usr_names.resize( usr.size() );
       }
  
       usr_names.push_back( key );
       usr.push_back( value );
     }
     else
     {
       usr[i] = value;
     }
   }

◆ delusr()

bool AAObject::delusr ( const std::string & key )

inlineinherited

Remove (first) user data item with given key.

Parameters

key key

Returns: true if data have been removed; else false

Definition at line 126 of file AAObject.hh.

   {
     int i = idx( key );
     if ( i < 0 ) return false;
  
     usr.erase ( usr.begin() + i );
     usr_names.erase( usr_names.begin() + i );
     return true;
   }

◆ clearusr()

void AAObject::clearusr ( )

inlineinherited

Clear user data.

Definition at line 139 of file AAObject.hh.

   {
     usr.resize(0);
     usr_names.resize(0);
   }

◆ printusr()

void AAObject::printusr ( std::ostream & out = std::cout )

inlineinherited

Print user data (i.e.

list of all pairs of keys and values).

Parameters

out	output stream

Definition at line 150 of file AAObject.hh.

   {
     unsigned n = std::max( usr.size(), usr_names.size() );
  
     for (unsigned i = 0; i < n ; i++)
     {
       std::string name = "(unnamed)";
       if ( i < usr_names.size() && usr_names[i] != "" ) name = usr_names[i];
       out << i << " \t " << name << " : \t ";
       if ( i < usr.size() ) out << usr[i] << std::endl;
       else                  out << "(none)" << std::endl;
     }
   }

Member Data Documentation

◆ id

int Evt::id

offline event identifier

Definition at line 22 of file Evt.hh.

◆ det_id

int Evt::det_id

detector identifier from DAQ

Definition at line 23 of file Evt.hh.

◆ mc_id

int Evt::mc_id

identifier of the MC event (as found in ascii or antcc file).

Definition at line 24 of file Evt.hh.

◆ run_id

int Evt::run_id

DAQ run identifier.

Definition at line 26 of file Evt.hh.

◆ mc_run_id

int Evt::mc_run_id

MC run identifier.

Definition at line 27 of file Evt.hh.

◆ frame_index

int Evt::frame_index

from the raw data

Definition at line 29 of file Evt.hh.

◆ trigger_mask

ULong64_t Evt::trigger_mask

trigger mask from raw data (i.e. the trigger bits)

Definition at line 30 of file Evt.hh.

◆ trigger_counter

ULong64_t Evt::trigger_counter

trigger counter

Definition at line 31 of file Evt.hh.

◆ overlays

unsigned int Evt::overlays

number of overlaying triggered events

Definition at line 32 of file Evt.hh.

◆ t

TTimeStamp Evt::t

UTC time of the timeslice, or the event_time for MC. (default: 01 Jan 1970 00:00:00)

Definition at line 33 of file Evt.hh.

◆ header_uuid

uuid_t Evt::header_uuid

UUID of header containing the event-weight information.

Definition at line 35 of file Evt.hh.

◆ hits

std::vector<Hit> Evt::hits

list of hits

Definition at line 38 of file Evt.hh.

◆ trks

std::vector<Trk> Evt::trks

list of reconstructed tracks (can be several because of prefits,showers, etc).

Definition at line 39 of file Evt.hh.

◆ w

std::vector<double> Evt::w

MC: Weights w[0]=w1, w[1]=w2, w[2]=w3 (see e.g. Tag list or km3net-dataformat/definitions)

Definition at line 42 of file Evt.hh.

◆ w2list

std::vector<double> Evt::w2list

MC: factors that make up w[1]=w2 (see e.g. Tag list or km3net-dataformat/definitions)

Definition at line 43 of file Evt.hh.

◆ w3list

std::vector<double> Evt::w3list

MC: atmospheric flux information.

Definition at line 44 of file Evt.hh.

◆ mc_event_time

TTimeStamp Evt::mc_event_time

MC: true generation time (UTC) of the event, (default: 01 Jan 1970 00:00:00)

Definition at line 46 of file Evt.hh.

◆ mc_t

double Evt::mc_t

MC: time where the mc-event was put in the timeslice, since start of run (offset+frameidx*timeslice_duration)

Definition at line 47 of file Evt.hh.

◆ mc_hits

std::vector<Hit> Evt::mc_hits

MC: list of MC truth hits.

Definition at line 48 of file Evt.hh.

◆ mc_trks

std::vector<Trk> Evt::mc_trks

MC: list of MC truth tracks.

Definition at line 49 of file Evt.hh.

◆ comment

TString Evt::comment

user can use this as he/she likes

Definition at line 52 of file Evt.hh.

◆ index

int Evt::index

user can use this as he/she likes

Definition at line 53 of file Evt.hh.

◆ flags

int Evt::flags

user can use this as he/she likes

Definition at line 54 of file Evt.hh.

◆ ROOT_IO_VERSION

int Evt::ROOT_IO_VERSION = -1

static

Streamer version as obtained from ROOT file.

Definition at line 274 of file Evt.hh.

◆ usr

std::vector<double> AAObject::usr

inherited

user data

Definition at line 20 of file AAObject.hh.

◆ usr_names

std::vector<std::string> AAObject::usr_names

inherited

user keys

Definition at line 21 of file AAObject.hh.

◆ any

TObject* AAObject::any

inherited

Pointer to "any" user data.

Definition at line 171 of file AAObject.hh.

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

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Evt()

Member Function Documentation

◆ print()

◆ clear()

◆ clear_hits()

◆ primary_trks() [1/2]

◆ primary_trks() [2/2]

◆ neutrino() [1/2]

◆ neutrino() [2/2]

◆ primary_neutrino() [1/2]

◆ primary_neutrino() [2/2]

◆ leading_lepton() [1/2]

◆ leading_lepton() [2/2]

◆ get_parent_of() [1/2]

◆ get_parent_of() [2/2]

◆ actionAtFileOpen()

◆ idx()

◆ haveusr()

◆ idxusr_checked()

◆ getusr()

◆ setusr()

◆ delusr()

◆ clearusr()

◆ printusr()

Member Data Documentation

◆ id

◆ det_id

◆ mc_id

◆ run_id

◆ mc_run_id

◆ frame_index

◆ trigger_mask

◆ trigger_counter

◆ overlays

◆ t

◆ header_uuid

◆ hits

◆ trks

◆ w

◆ w2list

◆ w3list

◆ mc_event_time

◆ mc_t

◆ mc_hits

◆ mc_trks

◆ comment

◆ index

◆ flags

◆ ROOT_IO_VERSION

◆ usr

◆ usr_names

◆ any