LArGeometryHelper class. More...

#include "LArGeometryHelper.h"

Public Types
typedef std::set< unsigned int >	UIntSet

Static Public Member Functions
static float	MergeTwoPositions (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const float position1, const float position2)
	Merge two views (U,V) to give a third view (Z).

static pandora::CartesianVector	MergeTwoDirections (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::CartesianVector &direction1, const pandora::CartesianVector &direction2)
	Merge two views (U,V) to give a third view (Z).

static void	MergeTwoPositions (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::CartesianVector &position1, const pandora::CartesianVector &position2, pandora::CartesianVector &position3, float &chiSquared)
	Merge 2D positions from two views to give 2D position in third view.

static void	MergeTwoPositions (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::CartesianVector &position1, const pandora::CartesianVector &position2, pandora::CartesianVector &outputU, pandora::CartesianVector &outputV, pandora::CartesianVector &outputW, float &chiSquared)
	Merge 2D positions from two views to give 2D position in third view.

static void	MergeThreePositions (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::HitType view3, const pandora::CartesianVector &position1, const pandora::CartesianVector &position2, const pandora::CartesianVector &position3, pandora::CartesianVector &outputU, pandora::CartesianVector &outputV, pandora::CartesianVector &outputW, float &chiSquared)
	Merge 2D positions from three views to give unified 2D positions for each view.

static void	MergeThreePositions (const pandora::Pandora &pandora, const pandora::CartesianVector &positionU, const pandora::CartesianVector &positionV, const pandora::CartesianVector &positionW, pandora::CartesianVector &outputU, pandora::CartesianVector &outputV, pandora::CartesianVector &outputW, float &chiSquared)
	Merge 2D positions from three views to give unified 2D positions for each view.

static void	MergeTwoPositions3D (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::CartesianVector &position1, const pandora::CartesianVector &position2, pandora::CartesianVector &position3D, float &chiSquared)
	Merge 2D positions from two views to give unified 3D position.

static void	MergeThreePositions3D (const pandora::Pandora &pandora, const pandora::HitType view1, const pandora::HitType view2, const pandora::HitType view3, const pandora::CartesianVector &position1, const pandora::CartesianVector &position2, const pandora::CartesianVector &position3, pandora::CartesianVector &position3D, float &chiSquared)
	Merge 2D positions from three views to give unified 3D position.

static pandora::CartesianVector	ProjectPosition (const pandora::Pandora &pandora, const pandora::CartesianVector &position3D, const pandora::HitType view)
	Project 3D position into a given 2D view.

static pandora::CartesianVector	ProjectDirection (const pandora::Pandora &pandora, const pandora::CartesianVector &direction3D, const pandora::HitType view)
	Project 3D direction into a given 2D view.

static float	GetWireZPitch (const pandora::Pandora &pandora, const float maxWirePitchDiscrepancy=0.01)
	Return the wire pitch.

static float	GetWirePitch (const pandora::Pandora &pandora, const pandora::HitType view, const float maxWirePitchDiscrepancy=0.01)
	Return the wire pitch.

static pandora::CartesianVector	GetWireAxis (const pandora::Pandora &pandora, const pandora::HitType view)
	Return the wire axis (vector perpendicular to the wire direction and drift direction)

static bool	IsInGap (const pandora::Pandora &pandora, const pandora::CartesianVector &testPoint2D, const pandora::HitType hitType, const float gapTolerance=0.f)
	Whether a 2D test point lies in a registered gap with the associated hit type.

static bool	IsInGap3D (const pandora::Pandora &pandora, const pandora::CartesianVector &testPoint3D, const pandora::HitType hitType, const float gapTolerance=0.f)
	Whether a 3D test point lies in a registered gap with the associated hit type.

static bool	IsXSamplingPointInGap (const pandora::Pandora &pandora, const float xSample, const TwoDSlidingFitResult &slidingFitResult, const float gapTolerance=0.f)
	Whether there is a gap in a cluster (described via its sliding fit result) at a specified x sampling position.

static float	CalculateGapDeltaZ (const pandora::Pandora &pandora, const float minZ, const float maxZ, const pandora::HitType hitType)
	Calculate the total distance within a given 2D region that is composed of detector gaps.

static float	GetSigmaUVW (const pandora::Pandora &pandora, const float maxSigmaDiscrepancy=0.01)
	Find the sigmaUVW value for the detector geometry.

static void	GetCommonDaughterVolumes (const pandora::Cluster const pCluster1, const pandora::Cluster const pCluster2, UIntSet &intersect)
	Return the set of common daughter volumes between two 2D clusters.

Detailed Description

LArGeometryHelper class.

Definition at line 33 of file LArGeometryHelper.h.

Member Typedef Documentation

◆ UIntSet

typedef std::set<unsigned int> lar_content::LArGeometryHelper::UIntSet

Definition at line 36 of file LArGeometryHelper.h.

Member Function Documentation

◆ CalculateGapDeltaZ()

float lar_content::LArGeometryHelper::CalculateGapDeltaZ	(	const pandora::Pandora &	pandora,
		const float	minZ,
		const float	maxZ,
		const pandora::HitType	hitType
	)

static

Calculate the total distance within a given 2D region that is composed of detector gaps.

Parameters

pandora	the associated pandora instance
minZ	the start position in Z
maxZ	the end position in Z
hitType	the hit type

Definition at line 509 of file LArGeometryHelper.cc.

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◆ GetCommonDaughterVolumes()

void lar_content::LArGeometryHelper::GetCommonDaughterVolumes	(	const pandora::Cluster *const	pCluster1,
		const pandora::Cluster *const	pCluster2,
		UIntSet &	intersect
	)

static

Return the set of common daughter volumes between two 2D clusters.

Parameters

intersect	the set of shared daughter volumes
pCluster1	the first cluster
pCluster2	the second cluster

Definition at line 436 of file LArGeometryHelper.cc.

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◆ GetSigmaUVW()

float lar_content::LArGeometryHelper::GetSigmaUVW	(	const pandora::Pandora &	pandora,
		const float	maxSigmaDiscrepancy = `0.01`
	)

static

Find the sigmaUVW value for the detector geometry.

Parameters

pandora	the associated pandora instance
maxSigmaDiscrepancy	maximum allowed discrepancy between lar tpc sigmaUVW values

Definition at line 546 of file LArGeometryHelper.cc.

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◆ GetWireAxis()

CartesianVector lar_content::LArGeometryHelper::GetWireAxis	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view
	)

static

Return the wire axis (vector perpendicular to the wire direction and drift direction)

Parameters

pandora	the associated pandora instance
view	the 2D projection

Definition at line 411 of file LArGeometryHelper.cc.

◆ GetWirePitch()

float lar_content::LArGeometryHelper::GetWirePitch	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view,
		const float	maxWirePitchDiscrepancy = `0.01`
	)

static

Return the wire pitch.

Parameters

pandora	the associated pandora instance
view	the 2D projection
maxWirePitchDiscrepancy	maximum allowed discrepancy between lar tpc wire pitch values

Definition at line 376 of file LArGeometryHelper.cc.

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◆ GetWireZPitch()

float lar_content::LArGeometryHelper::GetWireZPitch	(	const pandora::Pandora &	pandora,
		const float	maxWirePitchDiscrepancy = `0.01`
	)

inlinestatic

Return the wire pitch.

Parameters

pandora	the associated pandora instance
maxWirePitchDiscrepancy	maximum allowed discrepancy between lar tpc wire pitch value in the w view

Definition at line 273 of file LArGeometryHelper.h.

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◆ IsInGap()

bool lar_content::LArGeometryHelper::IsInGap	(	const pandora::Pandora &	pandora,
		const pandora::CartesianVector &	testPoint2D,
		const pandora::HitType	hitType,
		const float	gapTolerance = `0.f`
	)

static

Whether a 2D test point lies in a registered gap with the associated hit type.

Parameters

pandora	the associated pandora instance
testPoint	the test point
hitType	the hit type
gapTolerance	the gap tolerance

Returns: boolean

Definition at line 449 of file LArGeometryHelper.cc.

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◆ IsInGap3D()

bool lar_content::LArGeometryHelper::IsInGap3D	(	const pandora::Pandora &	pandora,
		const pandora::CartesianVector &	testPoint3D,
		const pandora::HitType	hitType,
		const float	gapTolerance = `0.f`
	)

static

Whether a 3D test point lies in a registered gap with the associated hit type.

Parameters

pandora	the associated pandora instance
testPoint	the test point
hitType	the hit type
gapTolerance	the gap tolerance

Returns: boolean

Definition at line 463 of file LArGeometryHelper.cc.

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◆ IsXSamplingPointInGap()

bool lar_content::LArGeometryHelper::IsXSamplingPointInGap	(	const pandora::Pandora &	pandora,
		const float	xSample,
		const TwoDSlidingFitResult &	slidingFitResult,
		const float	gapTolerance = `0.f`
	)

static

Whether there is a gap in a cluster (described via its sliding fit result) at a specified x sampling position.

Parameters

pandora	the associated pandora instance
xSample	the x sampling position
slidingFitResult	the sliding fit result for a cluster
gapTolerance	the gap tolerance

Returns: boolean

Definition at line 471 of file LArGeometryHelper.cc.

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◆ MergeThreePositions() [1/2]

void lar_content::LArGeometryHelper::MergeThreePositions	(	const pandora::Pandora &	pandora,
		const pandora::CartesianVector &	positionU,
		const pandora::CartesianVector &	positionV,
		const pandora::CartesianVector &	positionW,
		pandora::CartesianVector &	outputU,
		pandora::CartesianVector &	outputV,
		pandora::CartesianVector &	outputW,
		float &	chiSquared
	)

static

Merge 2D positions from three views to give unified 2D positions for each view.

Parameters

pandora	the associated pandora instance
positionU	input position in the U view
positionV	input position in the V view
positionW	input position in the W view
positionU	output position in the U view
positionV	output position in the V view
positionW	output position in the W view
chi-squared

Definition at line 262 of file LArGeometryHelper.cc.

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◆ MergeThreePositions() [2/2]

void lar_content::LArGeometryHelper::MergeThreePositions	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::HitType	view3,
		const pandora::CartesianVector &	position1,
		const pandora::CartesianVector &	position2,
		const pandora::CartesianVector &	position3,
		pandora::CartesianVector &	outputU,
		pandora::CartesianVector &	outputV,
		pandora::CartesianVector &	outputW,
		float &	chiSquared
	)

static

Merge 2D positions from three views to give unified 2D positions for each view.

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
view3	the third view
position1	the position in the first view
position2	the position in the second view
position3	the position in the third view
positionU	output position in the U view
positionV	output position in the V view
positionW	output position in the W view
chi-squared

Definition at line 220 of file LArGeometryHelper.cc.

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◆ MergeThreePositions3D()

void lar_content::LArGeometryHelper::MergeThreePositions3D	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::HitType	view3,
		const pandora::CartesianVector &	position1,
		const pandora::CartesianVector &	position2,
		const pandora::CartesianVector &	position3,
		pandora::CartesianVector &	position3D,
		float &	chiSquared
	)

static

Merge 2D positions from three views to give unified 3D position.

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
view3	the third view
position1	the position in the first view
position2	the position in the second view
position3	the position in the third view
position3D	output position in 3D
chi-squared

Definition at line 311 of file LArGeometryHelper.cc.

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◆ MergeTwoDirections()

CartesianVector lar_content::LArGeometryHelper::MergeTwoDirections	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::CartesianVector &	direction1,
		const pandora::CartesianVector &	direction2
	)

static

Merge two views (U,V) to give a third view (Z).

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
direction1	the direction in the first view
direction2	the direction in the second view

Definition at line 71 of file LArGeometryHelper.cc.

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◆ MergeTwoPositions() [1/3]

float lar_content::LArGeometryHelper::MergeTwoPositions	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const float	position1,
		const float	position2
	)

static

Merge two views (U,V) to give a third view (Z).

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
position1	the position in the first view
position2	the position in the second view

Definition at line 31 of file LArGeometryHelper.cc.

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◆ MergeTwoPositions() [2/3]

void lar_content::LArGeometryHelper::MergeTwoPositions	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::CartesianVector &	position1,
		const pandora::CartesianVector &	position2,
		pandora::CartesianVector &	outputU,
		pandora::CartesianVector &	outputV,
		pandora::CartesianVector &	outputW,
		float &	chiSquared
	)

static

Merge 2D positions from two views to give 2D position in third view.

Parameters

view1	the first view
view2	the second view
position1	the position in the first view
position2	the position in the second view
positionU	output position in the U view
positionV	output position in the V view
positionW	output position in the W view
chi-squared

Definition at line 159 of file LArGeometryHelper.cc.

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◆ MergeTwoPositions() [3/3]

void lar_content::LArGeometryHelper::MergeTwoPositions	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::CartesianVector &	position1,
		const pandora::CartesianVector &	position2,
		pandora::CartesianVector &	position3,
		float &	chiSquared
	)

static

Merge 2D positions from two views to give 2D position in third view.

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
position1	the position in the first view
position2	the position in the second view
position3	output position in the third view
chi-squared

Definition at line 141 of file LArGeometryHelper.cc.

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◆ MergeTwoPositions3D()

void lar_content::LArGeometryHelper::MergeTwoPositions3D	(	const pandora::Pandora &	pandora,
		const pandora::HitType	view1,
		const pandora::HitType	view2,
		const pandora::CartesianVector &	position1,
		const pandora::CartesianVector &	position2,
		pandora::CartesianVector &	position3D,
		float &	chiSquared
	)

static

Merge 2D positions from two views to give unified 3D position.

Parameters

pandora	the associated pandora instance
view1	the first view
view2	the second view
position1	the position in the first view
position2	the position in the second view
position3D	output position in 3D
chi-squared

Definition at line 299 of file LArGeometryHelper.cc.

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◆ ProjectDirection()

CartesianVector lar_content::LArGeometryHelper::ProjectDirection	(	const pandora::Pandora &	pandora,
		const pandora::CartesianVector &	direction3D,
		const pandora::HitType	view
	)

static

Project 3D direction into a given 2D view.

Parameters

pandora	the associated pandora instance
direction3D	the direction in 3D
view	the 2D projection

Definition at line 348 of file LArGeometryHelper.cc.

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◆ ProjectPosition()

CartesianVector lar_content::LArGeometryHelper::ProjectPosition	(	const pandora::Pandora &	pandora,
		const pandora::CartesianVector &	position3D,
		const pandora::HitType	view
	)

static

Project 3D position into a given 2D view.

Parameters

pandora	the associated pandora instance
position3D	the position in 3D
view	the 2D projection

Definition at line 323 of file LArGeometryHelper.cc.

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

LArContent/larpandoracontent/LArHelpers/LArGeometryHelper.h
LArContent/larpandoracontent/LArHelpers/LArGeometryHelper.cc

Public Types

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ UIntSet

Member Function Documentation

◆ CalculateGapDeltaZ()

◆ GetCommonDaughterVolumes()

◆ GetSigmaUVW()

◆ GetWireAxis()

◆ GetWirePitch()

◆ GetWireZPitch()

◆ IsInGap()

◆ IsInGap3D()

◆ IsXSamplingPointInGap()

◆ MergeThreePositions() [1/2]

◆ MergeThreePositions() [2/2]

◆ MergeThreePositions3D()

◆ MergeTwoDirections()

◆ MergeTwoPositions() [1/3]

◆ MergeTwoPositions() [2/3]

◆ MergeTwoPositions() [3/3]

◆ MergeTwoPositions3D()

◆ ProjectDirection()

◆ ProjectPosition()