lar_content::LArConnectionPathwayHelper Class Reference

LArConnectionPathwayHelper class. More...

#include "LArConnectionPathwayHelper.h"

Classes
class	SortByDistanceToPoint
	SortByDistanceToPoint class. More...

Static Public Member Functions
static bool	FindShowerStarts3D (const pandora::Algorithm *const pAlgorithm, const pandora::ParticleFlowObject *const pShowerPfo, const ProtoShowerMatch &protoShowerMatch, const pandora::CartesianVector &nuVertexPosition, const float maxSeparationFromHit, const float maxProjectionSeparation, const float maxXSeparation, pandora::CartesianPointVector &showerStarts3D)
	Create 3D shower start position(s) from three input 2D positions.
static void	FindShowerStartFromPosition (const pandora::Algorithm *const pAlgorithm, const ProtoShower &protoShowerU, const ProtoShower &protoShowerV, const ProtoShower &protoShowerW, pandora::CartesianVector &showerStart3D)
	Create 3D shower start position from three input 2D positions, assuming consistency of position.
static bool	FindShowerStartFromDirection (const pandora::Algorithm *const pAlgorithm, const ProtoShower &protoShowerU, const ProtoShower &protoShowerV, const ProtoShower &protoShowerW, pandora::CartesianVector &uShowerStart3D, pandora::CartesianVector &vShowerStart3D, pandora::CartesianVector &wShowerStart3D)
	Create a 3D shower start position from each input 2D position, assuming consistency of initial direction.
static bool	FindShowerStartFromDirection (const pandora::Algorithm *const pAlgorithm, const ProtoShower &protoShower, const ProtoShower &protoShowerA, const ProtoShower &protoShowerB, pandora::CartesianVector &showerStart3D)
	Create a 3D shower start position from an input 2D position, assuming consistency of initial direction.
static bool	ProjectShowerStartByDirection (const ProtoShower &protoShower, const float x, pandora::CartesianVector &showerStart2D)
	Find a 2D shower start, from a drift coordinate by assuming consistency of initial direction.
static bool	FindShowerStartFromXProjection (const pandora::Algorithm *const pAlgorithm, const ProtoShower &protoShower, const ProtoShower &protoShower1, const ProtoShower &protoShower2, const float maxSeparation, const float maxXSeparation, pandora::CartesianVector &showerStart3D)
	Create a 3D shower start position from an input 2D position, assuming consistency of the drift coordinate.
static bool	FindClosestSpinePosition (const ProtoShower &protoShower, const pandora::CartesianVector &showerStart3D, const float maxXSeparation, pandora::CartesianVector &foundShowerStart)
	Find the 2D spine hit that is closest to the neutrino vertex and shares a drift coordinate with an input 3D position.
static bool	FindShowerStartFromXProjectionRelaxed (const pandora::Algorithm *const pAlgorithm, const ProtoShower &protoShower, const ProtoShower &protoShower1, const ProtoShower &protoShower2, const float maxSeparation, const float maxXSeparation, pandora::CartesianVector &showerStart3D)
	A relaxed approach to create a 3D shower start position from an input 2D position, assuming consistency of the drift coordinate.
static void	GetMinMiddleMax (const float value1, const float value2, const float value3, float &minValue, float &middleValue, float &maxValue)
	Determine the lowest, median and highest value from an input of three numbers.

Detailed Description

LArConnectionPathwayHelper class.

Definition at line 21 of file LArConnectionPathwayHelper.h.

Member Function Documentation

FindClosestSpinePosition()

bool lar_content::LArConnectionPathwayHelper::FindClosestSpinePosition ( const ProtoShower &  protoShower, const pandora::CartesianVector &  showerStart3D, const float  maxXSeparation, pandora::CartesianVector &  foundShowerStart  )

static

Find the 2D spine hit that is closest to the neutrino vertex and shares a drift coordinate with an input 3D position.

Parameters

protoShower	the input ProtoShower in which to search
showerStart3D	the input 3D shower start position
maxXSeparation	the max. drift-coordinate separation between a 3D shower start and a matched 2D shower hit
foundShowerStart	the output matched 2D hit position

Returns

whether a 2D spine hit could be found

Definition at line 270 of file LArConnectionPathwayHelper.cc.

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FindShowerStartFromDirection() [1/2]

bool lar_content::LArConnectionPathwayHelper::FindShowerStartFromDirection ( const pandora::Algorithm *const  pAlgorithm, const ProtoShower &  protoShower, const ProtoShower &  protoShowerA, const ProtoShower &  protoShowerB, pandora::CartesianVector &  showerStart3D  )

static

Create a 3D shower start position from an input 2D position, assuming consistency of initial direction.

Parameters

pAlgorithm	the calling algorithm
protoShower	the input 2D position ProtoShower owner
protoShowerA	the ProtoShower of another view
protoShowerB	the ProtoShower in the remaining view
showerStart3D	the output 3D shower start

Returns

whether a 3D shower start position could be created

Definition at line 181 of file LArConnectionPathwayHelper.cc.

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FindShowerStartFromDirection() [2/2]

bool lar_content::LArConnectionPathwayHelper::FindShowerStartFromDirection ( const pandora::Algorithm *const  pAlgorithm, const ProtoShower &  protoShowerU, const ProtoShower &  protoShowerV, const ProtoShower &  protoShowerW, pandora::CartesianVector &  uShowerStart3D, pandora::CartesianVector &  vShowerStart3D, pandora::CartesianVector &  wShowerStart3D  )

static

Create a 3D shower start position from each input 2D position, assuming consistency of initial direction.

Parameters

pAlgorithm	the calling algorithm
protoShowerU	the U view ProtoShower
protoShowerV	the V view ProtoShower
protoShowerW	the W view ProtoShower
uShowerStart3D	the output 3D shower start created from the U view shower start position
vShowerStart3D	the output 3D shower start created from the V view shower start position
wShowerStart3D	the output 3D shower start created from the W view shower start position

Returns

whether the 3D shower start positions could be created

Definition at line 162 of file LArConnectionPathwayHelper.cc.

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FindShowerStartFromPosition()

void lar_content::LArConnectionPathwayHelper::FindShowerStartFromPosition ( const pandora::Algorithm *const  pAlgorithm, const ProtoShower &  protoShowerU, const ProtoShower &  protoShowerV, const ProtoShower &  protoShowerW, pandora::CartesianVector &  showerStart3D  )

static

Create 3D shower start position from three input 2D positions, assuming consistency of position.

Parameters

pAlgorithm	the calling algorithm
protoShowerU	the U view ProtoShower
protoShowerV	the V view ProtoShower
protoShowerW	the W view ProtoShower
showerStart3D	the output 3D shower start position

Definition at line 148 of file LArConnectionPathwayHelper.cc.

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FindShowerStartFromXProjection()

bool lar_content::LArConnectionPathwayHelper::FindShowerStartFromXProjection ( const pandora::Algorithm *const  pAlgorithm, const ProtoShower &  protoShower, const ProtoShower &  protoShower1, const ProtoShower &  protoShower2, const float  maxSeparation, const float  maxXSeparation, pandora::CartesianVector &  showerStart3D  )

static

Create a 3D shower start position from an input 2D position, assuming consistency of the drift coordinate.

Parameters

pAlgorithm	the calling algorithm
protoShower	the ProtoShower from which the input 2D shower start is obtained
protoShower1	a matched ProtoShower from another view
protoShower2	the matched ProtoShower from the final view
maxSeparation	the max. separation between the projected 3D shower start and the shower start of that view
maxXSeparation	the max. drift-coordinate separation between a 3D shower start and a matched 2D shower hit
showerStart3D	the output 3D shower start

Returns

whether the 3D shower start positions could be created

Definition at line 228 of file LArConnectionPathwayHelper.cc.

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FindShowerStartFromXProjectionRelaxed()

bool lar_content::LArConnectionPathwayHelper::FindShowerStartFromXProjectionRelaxed ( const pandora::Algorithm *const  pAlgorithm, const ProtoShower &  protoShower, const ProtoShower &  protoShower1, const ProtoShower &  protoShower2, const float  maxSeparation, const float  maxXSeparation, pandora::CartesianVector &  showerStart3D  )

static

A relaxed approach to create a 3D shower start position from an input 2D position, assuming consistency of the drift coordinate.

Parameters

pAlgorithm	the calling algorithm
protoShower	the ProtoShower from which the input 2D shower start is obtained
protoShower1	a matched ProtoShower from another view
protoShower2	the matched ProtoShower from the final view
maxSeparation	the max. separation between the projected 3D shower start and the shower start of that view
maxXSeparation	the max. drift-coordinate separation between a 3D shower start and a matched 2D shower hit
ShowerStart3D	the output 3D shower start

Returns

whether the 3D shower start position could be created

Definition at line 297 of file LArConnectionPathwayHelper.cc.

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FindShowerStarts3D()

bool lar_content::LArConnectionPathwayHelper::FindShowerStarts3D ( const pandora::Algorithm *const  pAlgorithm, const pandora::ParticleFlowObject *const  pShowerPfo, const ProtoShowerMatch &  protoShowerMatch, const pandora::CartesianVector &  nuVertexPosition, const float  maxSeparationFromHit, const float  maxProjectionSeparation, const float  maxXSeparation, pandora::CartesianPointVector &  showerStarts3D  )

static

Create 3D shower start position(s) from three input 2D positions.

Parameters

pAlgorithm	the calling algorithm
pShowerPfo	the shower pfo
protoShowerMatch	the ProtoShowerMatch object
nuVertexPosition	the 3D neutrino vertex
maxSeparationFromHit	the max. separation between a projected 3D shower start and the closest 2D shower hit
maxProjectionSeparation	the max. separation between the projected 3D shower start and the shower start of that view
maxXSeparation	the max. drift-coordinate separation between a 3D shower start and a matched 2D shower hit
showerStarts3D	the output vector of 3D shower starts (ordered closest -> furthest from the neutrino vertex)

Returns

whether a consistent 3D shower start position could be created

Definition at line 45 of file LArConnectionPathwayHelper.cc.

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GetMinMiddleMax()

void lar_content::LArConnectionPathwayHelper::GetMinMiddleMax ( const float  value1, const float  value2, const float  value3, float &  minValue, float &  middleValue, float &  maxValue  )

static

Determine the lowest, median and highest value from an input of three numbers.

Parameters

value1	the first value
value2	the second value
value3	the third value
minValue	the minimum value
middleValue	the median value
maxValue	the maximum value

Definition at line 330 of file LArConnectionPathwayHelper.cc.

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ProjectShowerStartByDirection()

bool lar_content::LArConnectionPathwayHelper::ProjectShowerStartByDirection ( const ProtoShower &  protoShower, const float  x, pandora::CartesianVector &  showerStart2D  )

static

Find a 2D shower start, from a drift coordinate by assuming consistency of initial direction.

Parameters

protoShower	the ProtoShower for which to find the shower start
x	the drift-coordinate
showerStart2D	the output 2D shower start

Returns

whether a 2D shower start position could be found

Definition at line 207 of file LArConnectionPathwayHelper.cc.

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

• LArContent/larpandoracontent/LArHelpers/LArConnectionPathwayHelper.h
• LArContent/larpandoracontent/LArHelpers/LArConnectionPathwayHelper.cc