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HLT::MET::PufitMultiGrid< N > Class Template Reference

Multiple grids combined into one. More...

#include <PufitMultiGrid.h>

Inheritance diagram for HLT::MET::PufitMultiGrid< N >:
Collaboration diagram for HLT::MET::PufitMultiGrid< N >:

Classes

class  Tower
 Tower in the multi-grid. More...
 

Public Member Functions

 PufitMultiGrid (double maxEta, std::size_t nEtaTowers, std::size_t nPhiTowers, bool displaceEta=false, bool displacePhi=false)
 Create a new tower grid. More...
 
 PufitMultiGrid (const GridParameters &parameters)
 Construct a grid from the provided parameters. More...
 
 PufitMultiGrid (const PufitMultiGrid &other)
 Copy constructor. More...
 
PufitMultiGridoperator= (const PufitMultiGrid &other)
 Assignment operator. More...
 
void reset ()
 Reset the internal storage. More...
 
Toweroperator[] (const std::pair< std::size_t, std::size_t > &indices)
 Access stored value by eta/phi index (access is bounds checked) More...
 
const Toweroperator[] (const std::pair< std::size_t, std::size_t > &indices) const
 Access stored value by eta/phi index (access is bounds checked) More...
 
Toweroperator[] (std::size_t index)
 Access stored value by global index number (access is bounds checked) More...
 
const Toweroperator[] (std::size_t index) const
 Access stored value by global index number (access is bounds checked) More...
 
std::vector< Tower >::iterator begin ()
 Access by iterator. More...
 
std::vector< Tower >::const_iterator begin () const
 Access by iterator. More...
 
std::vector< Tower >::iterator end ()
 Iterator end point. More...
 
std::vector< Tower >::const_iterator end () const
 Iterator end point. More...
 
PufitMultiGridoperator+= (const PufitMultiGrid &other)
 Add a whole grid into this. More...
 
PufitMultiGridoperator-= (const PufitMultiGrid &other)
 Subtract a whole grid from this. More...
 
std::size_t getIndex (double eta, double phi, bool &outOfRange) const
 Get the index for the given eta, phi values. More...
 
std::size_t getEtaIndex (double eta, bool &outOfRange) const
 Get the eta index for the given value. More...
 
std::size_t getPhiIndex (double phi) const
 Get the phi index for the given value. More...
 
std::size_t globalIndex (std::size_t iEta, std::size_t iPhi) const
 Convert eta and phi to a global index. More...
 
std::pair< std::size_t, std::size_t > etaPhiIndex (std::size_t index) const
 Convert a global index to an eta/phi index pair. More...
 
double centralEta (std::size_t iEta) const
 Central eta coordinate of the given eta index. More...
 
double centralPhi (std::size_t iPhi) const
 Central phi coordinate of the given phi. More...
 
const GridParametersparameters () const
 The grid parameters. More...
 
double maxEta () const
 The maximum eta range for the grid. More...
 
std::size_t nEtaTowers () const
 The number of eta bins. More...
 
std::size_t nPhiTowers () const
 The number of phi bins. More...
 
std::size_t nTowers () const
 The number of bins. More...
 
bool displaceEta () const
 Whether or not this is displaced in eta. More...
 
bool displacePhi () const
 Whether or not this is displaced in phi. More...
 
GridDisplacement displacement () const
 The grid displacement. More...
 
double etaWidth () const
 The bin width in eta. More...
 
double phiWidth () const
 The bin width in phi. More...
 

Static Public Attributes

constexpr static std::size_t All = (1 << N) - 1
 Maximum value representable by N bits. More...
 
constexpr static std::size_t NCategories = N
 The number of separate categories in the grid. More...
 

Private Attributes

const GridParameters m_params
 The grid's parameters. More...
 

Detailed Description

template<std::size_t N>
class HLT::MET::PufitMultiGrid< N >

Multiple grids combined into one.

This class allows representing N different categories in a single grid.

Definition at line 62 of file PufitMultiGrid.h.

Constructor & Destructor Documentation

◆ PufitMultiGrid() [1/3]

template<std::size_t N>
HLT::MET::PufitMultiGrid< N >::PufitMultiGrid ( double  maxEta,
std::size_t  nEtaTowers,
std::size_t  nPhiTowers,
bool  displaceEta = false,
bool  displacePhi = false 
)

Create a new tower grid.

Parameters
maxEtaThe maximum eta range for the grid
nEtaTowersThe number of eta towers
nPhiTowersThe number of phi towers
displaceEtaWhether to displace eta
displacePhiWhether to displace phi

◆ PufitMultiGrid() [2/3]

template<std::size_t N>
HLT::MET::PufitMultiGrid< N >::PufitMultiGrid ( const GridParameters parameters)

Construct a grid from the provided parameters.

◆ PufitMultiGrid() [3/3]

template<std::size_t N>
HLT::MET::PufitMultiGrid< N >::PufitMultiGrid ( const PufitMultiGrid< N > &  other)

Copy constructor.

Member Function Documentation

◆ begin() [1/2]

template<std::size_t N>
std::vector<Tower>::iterator HLT::MET::PufitMultiGrid< N >::begin ( )

Access by iterator.

◆ begin() [2/2]

template<std::size_t N>
std::vector<Tower>::const_iterator HLT::MET::PufitMultiGrid< N >::begin ( ) const

Access by iterator.

◆ centralEta()

double HLT::MET::PeriodicGridBase::centralEta ( std::size_t  iEta) const
inherited

Central eta coordinate of the given eta index.

Definition at line 129 of file PeriodicGridBase.cxx.

130  {
131  return -maxEta() + etaWidth() * (iEta + 0.5) + (displaceEta() ? etaWidth() / 2 : 0);
132  }

◆ centralPhi()

double HLT::MET::PeriodicGridBase::centralPhi ( std::size_t  iPhi) const
inherited

Central phi coordinate of the given phi.

Definition at line 133 of file PeriodicGridBase.cxx.

134  {
135  return phiWidth() * (iPhi + 0.5) + (displacePhi() ? phiWidth() / 2 : 0);
136  }

◆ displaceEta()

bool HLT::MET::PeriodicGridBase::displaceEta ( ) const
inherited

Whether or not this is displaced in eta.

Definition at line 143 of file PeriodicGridBase.cxx.

143 { return parameters().displaceEta; }

◆ displacement()

GridDisplacement HLT::MET::PeriodicGridBase::displacement ( ) const
inherited

The grid displacement.

Definition at line 145 of file PeriodicGridBase.cxx.

146  {
147  return parameters().displacement();
148  }

◆ displacePhi()

bool HLT::MET::PeriodicGridBase::displacePhi ( ) const
inherited

Whether or not this is displaced in phi.

Definition at line 144 of file PeriodicGridBase.cxx.

144 { return parameters().displacePhi; }

◆ end() [1/2]

template<std::size_t N>
std::vector<Tower>::iterator HLT::MET::PufitMultiGrid< N >::end ( )

Iterator end point.

◆ end() [2/2]

template<std::size_t N>
std::vector<Tower>::const_iterator HLT::MET::PufitMultiGrid< N >::end ( ) const

Iterator end point.

◆ etaPhiIndex()

std::pair< std::size_t, std::size_t > HLT::MET::PeriodicGridBase::etaPhiIndex ( std::size_t  index) const
inherited

Convert a global index to an eta/phi index pair.

Definition at line 124 of file PeriodicGridBase.cxx.

125  {
126  return std::make_pair(index / nPhiTowers(), index % nPhiTowers());
127  }

◆ etaWidth()

double HLT::MET::PeriodicGridBase::etaWidth ( ) const
inherited

The bin width in eta.

Definition at line 149 of file PeriodicGridBase.cxx.

149 { return 2 * maxEta() / nEtaTowers(); }

◆ getEtaIndex()

std::size_t HLT::MET::PeriodicGridBase::getEtaIndex ( double  eta,
bool &  outOfRange 
) const
inherited

Get the eta index for the given value.

Parameters
etaThe eta value
[out]outOfRangeSet to true if outside of the eta range

If it's out of range the returned index will be nEta

Definition at line 87 of file PeriodicGridBase.cxx.

88  {
89  if (std::abs(eta) >= maxEta())
90  {
91  outOfRange = true;
92  return nEtaTowers();
93  }
94  outOfRange = false;
95  if (displaceEta())
96  {
97  // Apply the displacement by adding the displacement to the input
98  // coordinate. This shifts the grid in the negative direction
99  eta += etaWidth() / 2;
100  // If necessary apply eta periodicity here
101  if (eta >= maxEta())
102  eta -= 2 * maxEta();
103  }
104  return (eta + maxEta()) / etaWidth();
105  }

◆ getIndex()

std::size_t HLT::MET::PeriodicGridBase::getIndex ( double  eta,
double  phi,
bool &  outOfRange 
) const
inherited

Get the index for the given eta, phi values.

Parameters
etaThe eta value
phiThe phi value
[out]outOfRangeSet to true if outside of the eta range

If it's out of range the returned index will be nTowers

Definition at line 79 of file PeriodicGridBase.cxx.

80  {
81  std::size_t etaIndex = getEtaIndex(eta, outOfRange);
82  if (outOfRange)
83  return nTowers();
84  return globalIndex(etaIndex, getPhiIndex(phi));
85  }

◆ getPhiIndex()

std::size_t HLT::MET::PeriodicGridBase::getPhiIndex ( double  phi) const
inherited

Get the phi index for the given value.

Definition at line 107 of file PeriodicGridBase.cxx.

108  {
109  if (displacePhi())
110  // Apply the displacement by adding the displacement to the input
111  // coordinate. This shifts the grid in the negative direction
112  phi += phiWidth() / 2;
113  // Apply periodicity
114  phi = std::fmod(phi, 2 * M_PI);
115  if (phi < 0)
116  phi += 2 * M_PI;
117  return phi / phiWidth();
118  }

◆ globalIndex()

std::size_t HLT::MET::PeriodicGridBase::globalIndex ( std::size_t  iEta,
std::size_t  iPhi 
) const
inherited

Convert eta and phi to a global index.

Definition at line 120 of file PeriodicGridBase.cxx.

121  {
122  return iEta * nPhiTowers() + iPhi;
123  }

◆ maxEta()

double HLT::MET::PeriodicGridBase::maxEta ( ) const
inherited

The maximum eta range for the grid.

Definition at line 139 of file PeriodicGridBase.cxx.

139 { return parameters().maxEta; }

◆ nEtaTowers()

std::size_t HLT::MET::PeriodicGridBase::nEtaTowers ( ) const
inherited

The number of eta bins.

Definition at line 140 of file PeriodicGridBase.cxx.

140 { return parameters().nEtaTowers; }

◆ nPhiTowers()

std::size_t HLT::MET::PeriodicGridBase::nPhiTowers ( ) const
inherited

The number of phi bins.

Definition at line 141 of file PeriodicGridBase.cxx.

141 { return parameters().nPhiTowers; }

◆ nTowers()

std::size_t HLT::MET::PeriodicGridBase::nTowers ( ) const
inherited

The number of bins.

Definition at line 142 of file PeriodicGridBase.cxx.

142 { return nEtaTowers() * nPhiTowers(); }

◆ operator+=()

template<std::size_t N>
PufitMultiGrid& HLT::MET::PufitMultiGrid< N >::operator+= ( const PufitMultiGrid< N > &  other)

Add a whole grid into this.

◆ operator-=()

template<std::size_t N>
PufitMultiGrid& HLT::MET::PufitMultiGrid< N >::operator-= ( const PufitMultiGrid< N > &  other)

Subtract a whole grid from this.

◆ operator=()

template<std::size_t N>
PufitMultiGrid& HLT::MET::PufitMultiGrid< N >::operator= ( const PufitMultiGrid< N > &  other)

Assignment operator.

Parameters
otherThe grid whose towers to take

Take the tower energies/masking from the other grid.

◆ operator[]() [1/4]

template<std::size_t N>
Tower& HLT::MET::PufitMultiGrid< N >::operator[] ( const std::pair< std::size_t, std::size_t > &  indices)

Access stored value by eta/phi index (access is bounds checked)

◆ operator[]() [2/4]

template<std::size_t N>
const Tower& HLT::MET::PufitMultiGrid< N >::operator[] ( const std::pair< std::size_t, std::size_t > &  indices) const

Access stored value by eta/phi index (access is bounds checked)

◆ operator[]() [3/4]

template<std::size_t N>
Tower& HLT::MET::PufitMultiGrid< N >::operator[] ( std::size_t  index)

Access stored value by global index number (access is bounds checked)

◆ operator[]() [4/4]

template<std::size_t N>
const Tower& HLT::MET::PufitMultiGrid< N >::operator[] ( std::size_t  index) const

Access stored value by global index number (access is bounds checked)

◆ parameters()

const GridParameters & HLT::MET::PeriodicGridBase::parameters ( ) const
inherited

The grid parameters.

Definition at line 138 of file PeriodicGridBase.cxx.

138 { return m_params; }

◆ phiWidth()

double HLT::MET::PeriodicGridBase::phiWidth ( ) const
inherited

The bin width in phi.

Definition at line 150 of file PeriodicGridBase.cxx.

150 { return 2 * M_PI / nPhiTowers(); }

◆ reset()

template<std::size_t N>
void HLT::MET::PufitMultiGrid< N >::reset ( )

Reset the internal storage.

Member Data Documentation

◆ All

template<std::size_t N>
constexpr static std::size_t HLT::MET::PufitMultiGrid< N >::All = (1 << N) - 1
staticconstexpr

Maximum value representable by N bits.

Definition at line 71 of file PufitMultiGrid.h.

◆ m_params

const GridParameters HLT::MET::PeriodicGridBase::m_params
privateinherited

The grid's parameters.

Definition at line 191 of file PeriodicGridBase.h.

◆ NCategories

template<std::size_t N>
constexpr static std::size_t HLT::MET::PufitMultiGrid< N >::NCategories = N
staticconstexpr

The number of separate categories in the grid.

Definition at line 73 of file PufitMultiGrid.h.


The documentation for this class was generated from the following file:
HLT::MET::PeriodicGridBase::displacePhi
bool displacePhi() const
Whether or not this is displaced in phi.
Definition: PeriodicGridBase.cxx:144
HLT::MET::PeriodicGridBase::nPhiTowers
std::size_t nPhiTowers() const
The number of phi bins.
Definition: PeriodicGridBase.cxx:141
phi
Scalar phi() const
phi method
Definition: AmgMatrixBasePlugin.h:64
eta
Scalar eta() const
pseudorapidity method
Definition: AmgMatrixBasePlugin.h:79
index
Definition: index.py:1
HLT::MET::GridParameters::nEtaTowers
std::size_t nEtaTowers
The number of divisions along the eta axis.
Definition: PeriodicGridBase.h:47
HLT::MET::GridParameters::displacePhi
bool displacePhi
Whether the grid is displaced in phi.
Definition: PeriodicGridBase.h:53
M_PI
#define M_PI
Definition: ActiveFraction.h:11
HLT::MET::PeriodicGridBase::m_params
const GridParameters m_params
The grid's parameters.
Definition: PeriodicGridBase.h:191
HLT::MET::PeriodicGridBase::displaceEta
bool displaceEta() const
Whether or not this is displaced in eta.
Definition: PeriodicGridBase.cxx:143
HLT::MET::PeriodicGridBase::phiWidth
double phiWidth() const
The bin width in phi.
Definition: PeriodicGridBase.cxx:150
HLT::MET::PeriodicGridBase::parameters
const GridParameters & parameters() const
The grid parameters.
Definition: PeriodicGridBase.cxx:138
HLT::MET::GridParameters::displacement
GridDisplacement displacement() const
The.
Definition: PeriodicGridBase.cxx:25
HLT::MET::PeriodicGridBase::getEtaIndex
std::size_t getEtaIndex(double eta, bool &outOfRange) const
Get the eta index for the given value.
Definition: PeriodicGridBase.cxx:87
HLT::MET::GridParameters::nPhiTowers
std::size_t nPhiTowers
The number of divisions along the phi axis.
Definition: PeriodicGridBase.h:49
HLT::MET::GridParameters::displaceEta
bool displaceEta
Whether the grid is displaced in eta.
Definition: PeriodicGridBase.h:51
HLT::MET::PeriodicGridBase::maxEta
double maxEta() const
The maximum eta range for the grid.
Definition: PeriodicGridBase.cxx:139
HLT::MET::PeriodicGridBase::getPhiIndex
std::size_t getPhiIndex(double phi) const
Get the phi index for the given value.
Definition: PeriodicGridBase.cxx:107
HLT::MET::PeriodicGridBase::globalIndex
std::size_t globalIndex(std::size_t iEta, std::size_t iPhi) const
Convert eta and phi to a global index.
Definition: PeriodicGridBase.cxx:120
Trk::iPhi
@ iPhi
Definition: ParamDefs.h:53
HLT::MET::GridParameters::maxEta
double maxEta
The maximum |eta| value.
Definition: PeriodicGridBase.h:45
HLT::MET::PeriodicGridBase::nTowers
std::size_t nTowers() const
The number of bins.
Definition: PeriodicGridBase.cxx:142
xAOD::iEta
setScale setgFexType iEta
Definition: gFexJetRoI_v1.cxx:74
HLT::MET::PeriodicGridBase::etaWidth
double etaWidth() const
The bin width in eta.
Definition: PeriodicGridBase.cxx:149
HLT::MET::PeriodicGridBase::nEtaTowers
std::size_t nEtaTowers() const
The number of eta bins.
Definition: PeriodicGridBase.cxx:140