o2::mch::Aligner Class Reference

#include <Aligner.h>

Inherits TObject.

Public Types
enum	{   fgNSt = 5 , fgNCh = 10 , fgNTrkMod = 16 , fgNHalfCh = 20 ,   fgNDetHalfChMax = 13 , fgNDetElem = 156 , fNLocal = 4 , fgNParCh = 4 ,   fNGlobal = fgNParCh * fgNDetElem }
enum	ParameterMask {   ParX = 1 << 0 , ParY = 1 << 1 , ParZ = 1 << 2 , ParTZ = 1 << 3 ,   ParAllTranslations = ParX | ParY | ParZ , ParAllRotations = ParTZ , ParAll = ParAllTranslations | ParAllRotations }
	global parameter bit set, used for masks More...
enum	SidesMask {   SideTop = 1 << 0 , SideLeft = 1 << 1 , SideBottom = 1 << 2 , SideRight = 1 << 3 ,   SideTopLeft = SideTop | SideLeft , SideTopRight = SideTop | SideRight , SideBottomLeft = SideBottom | SideLeft , SideBottomRight = SideBottom | SideRight ,   AllSides = SideTop | SideBottom | SideLeft | SideRight }
	detector sides bit set, used for selecting sides in constrains More...

Public Member Functions
	Aligner ()
	~Aligner ()
void	init (TString DataRecFName="millerecords.root", TString ConsRecFName="milleconstraints.root")
void	terminate ()
void	ProcessTrack (Track &track, const o2::mch::geo::TransformationCreator &transformation, Bool_t doAlignment, Double_t weight=1)
void	SetRunNumber (int id)
	run number
void	SetBFieldOn (bool value)
	Set flag for Magnetic field On/Off.
void	SetDoEvaluation (bool value)
	set to true to do refit evaluation
void	SetRefitStraightTracks (bool value)
	set to true to refit tracks
void	SetAllowedVariation (int iPar, double value)
void	SetSigmaXY (double sigmaX, double sigmaY)
void	FixAll (unsigned int parameterMask=ParAll)
void	FixChamber (int iCh, unsigned int parameterMask=ParAll)
void	FixDetElem (int iDetElemId, unsigned int parameterMask=ParAll)
void	FixHalfSpectrometer (const bool *bChOnOff, unsigned int sidesMask=AllSides, unsigned int parameterMask=ParAll)
void	FixParameter (int iPar)
void	FixParameter (int iDetElem, int iPar)
void	ReleaseChamber (int iCh, unsigned int parameterMask=ParAll)
void	ReleaseDetElem (int iDetElemId, unsigned int parameterMask=ParAll)
void	ReleaseParameter (int iPar)
void	ReleaseParameter (int iDetElem, int iPar)
void	GroupChamber (int iCh, unsigned int parameterMask=ParAll)
void	GroupHalfChamber (int iCh, int iHalf, unsigned int parameterMask=ParAll)
void	GroupDetElems (int detElemMin, int detElemMax, unsigned int parameterMask=ParAll)
void	GroupDetElems (const int *detElemList, int nDetElem, unsigned int parameterMask=ParAll)
void	SetChamberNonLinear (int iCh, unsigned int parameterMask)
void	SetDetElemNonLinear (int iSt, unsigned int parameterMask)
void	SetParameterNonLinear (int iPar)
void	SetParameterNonLinear (int iDetElem, int iPar)
void	AddConstraints (const bool *bChOnOff, unsigned int parameterMask)
void	AddConstraints (const bool *bChOnOff, const bool *lVarXYT, unsigned int sidesMask=AllSides)
void	InitGlobalParameters (double *par)
	initialize global parameters to a give set of values
void	GlobalFit (std::vector< double > &params, std::vector< double > &errors, std::vector< double > &pulls)
	perform global fit
void	PrintGlobalParameters (void) const
	print global parameters
double	GetParError (int iPar) const
	get error on a given parameter
o2::fwdalign::MillePedeRecord &	GetRecord ()
void	ReAlign (std::vector< o2::detectors::AlignParam > &params, std::vector< double > &misAlignments)
void	SetAlignmentResolution (const TClonesArray *misAlignArray, int chId, double chResX, double chResY, double deResX, double deResY)
TTree *	GetResTree ()
void	SetReadOnly ()
void	DisableRecordWriter ()

Static Public Attributes
static const int	fgNDetElemCh [fgNCh] = {4, 4, 4, 4, 18, 18, 26, 26, 26, 26}
	Number of detection elements per chamber.
static const int	fgSNDetElemCh [fgNCh+1] = {0, 4, 8, 12, 16, 34, 52, 78, 104, 130, 156}
	Sum of detection elements up to this chamber.
static const int	fgNDetElemHalfCh [fgNHalfCh] = {2, 2, 2, 2, 2, 2, 2, 2, 9, 9, 9, 9, 13, 13, 13, 13, 13, 13, 13, 13}
	Number of detection element per tracking module.
static const int	fgDetElemHalfCh [fgNHalfCh][fgNDetHalfChMax]
	list of detection elements per tracking module

Detailed Description

Definition at line 104 of file Aligner.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
fgNSt	Number tracking stations.
fgNCh	Number tracking chambers.
fgNTrkMod	Number of tracking modules.
fgNHalfCh	Number of half chambers.
fgNDetHalfChMax	max number of detector elements per half chamber
fgNDetElem	Total number of detection elements (4*2 + 4*2 + 18*2 + 26*2 + 26*2)
fNLocal	Number of local parameters.
fgNParCh	Number of degrees of freedom per chamber.
fNGlobal	Number of global parameters.

Definition at line 119 of file Aligner.h.

ParameterMask

enum o2::mch::Aligner::ParameterMask

global parameter bit set, used for masks

Enumerator
ParX
ParY
ParZ
ParTZ
ParAllTranslations
ParAllRotations
ParAll

Definition at line 162 of file Aligner.h.

SidesMask

enum o2::mch::Aligner::SidesMask

detector sides bit set, used for selecting sides in constrains

Enumerator
SideTop
SideLeft
SideBottom
SideRight
SideTopLeft
SideTopRight
SideBottomLeft
SideBottomRight
AllSides

Definition at line 175 of file Aligner.h.

Constructor & Destructor Documentation

Aligner()

o2::mch::Aligner::Aligner

(

)

constructor

Definition at line 126 of file Aligner.cxx.

~Aligner()

o2::mch::Aligner::~Aligner

(

)

Definition at line 187 of file Aligner.cxx.

Member Function Documentation

AddConstraints() [1/2]

void o2::mch::Aligner::AddConstraints	(	const bool *	bChOnOff,
		const bool *	lVarXYT,
		unsigned int	sidesMask = AllSides
	)

Add constraint equations for selected chambers, degrees of freedom and detector half

Definition at line 954 of file Aligner.cxx.

AddConstraints() [2/2]

void o2::mch::Aligner::AddConstraints	(	const bool *	bChOnOff,
		unsigned int	parameterMask
	)

Add constraint equations for selected chambers and degrees of freedom

Definition at line 909 of file Aligner.cxx.

DisableRecordWriter()

void o2::mch::Aligner::DisableRecordWriter ( )

inline

Definition at line 319 of file Aligner.h.

FixAll()

void o2::mch::Aligner::FixAll

(

unsigned int

parameterMask = ParAll

)

fix parameters matching mask, for all chambers

Definition at line 554 of file Aligner.cxx.

FixChamber()

void o2::mch::Aligner::FixChamber	(	int	iCh,
		unsigned int	parameterMask = ParAll
	)

fix parameters matching mask, for all detector elements in a given chamber, counting from 1

Definition at line 577 of file Aligner.cxx.

FixDetElem()

void o2::mch::Aligner::FixDetElem	(	int	iDetElemId,
		unsigned int	parameterMask = ParAll
	)

fix parameters matching mask, for a given detector element, counting from 0

Definition at line 609 of file Aligner.cxx.

FixHalfSpectrometer()

void o2::mch::Aligner::FixHalfSpectrometer	(	const bool *	bChOnOff,
		unsigned int	sidesMask = AllSides,
		unsigned int	parameterMask = ParAll
	)

Fix parameters matching mask for all detectors in selected chambers and selected sides of the spectrometer

Definition at line 628 of file Aligner.cxx.

FixParameter() [1/2]

void o2::mch::Aligner::FixParameter ( int  iDetElem, int  iPar  )

inline

Definition at line 230 of file Aligner.h.

FixParameter() [2/2]

void o2::mch::Aligner::FixParameter

(

int

iPar

)

fix a given parameter, counting from 0

Definition at line 698 of file Aligner.cxx.

GetParError()

double o2::mch::Aligner::GetParError

(

int

iPar

)

const

get error on a given parameter

Definition at line 1316 of file Aligner.cxx.

GetRecord()

o2::fwdalign::MillePedeRecord & o2::mch::Aligner::GetRecord ( )

inline

Definition at line 303 of file Aligner.h.

GetResTree()

TTree * o2::mch::Aligner::GetResTree ( )

inline

Definition at line 309 of file Aligner.h.

GlobalFit()

void o2::mch::Aligner::GlobalFit	(	std::vector< double > &	params,
		std::vector< double > &	errors,
		std::vector< double > &	pulls
	)

perform global fit

Call global fit; Global parameters are stored in parameters

Definition at line 1298 of file Aligner.cxx.

GroupChamber()

void o2::mch::Aligner::GroupChamber	(	int	iCh,
		unsigned int	parameterMask = ParAll
	)

group parameters matching mask for all detector elements in a given chamber, counting from 1

Definition at line 773 of file Aligner.cxx.

GroupDetElems() [1/2]

void o2::mch::Aligner::GroupDetElems	(	const int *	detElemList,
		int	nDetElem,
		unsigned int	parameterMask = ParAll
	)

group parameters matching mask for all detector elements in list

Definition at line 823 of file Aligner.cxx.

GroupDetElems() [2/2]

void o2::mch::Aligner::GroupDetElems	(	int	detElemMin,
		int	detElemMax,
		unsigned int	parameterMask = ParAll
	)

group parameters matching mask for all detector elements between min and max

Definition at line 802 of file Aligner.cxx.

GroupHalfChamber()

void o2::mch::Aligner::GroupHalfChamber	(	int	iCh,
		int	iHalf,
		unsigned int	parameterMask = ParAll
	)

group parameters matching mask for all detector elements in a given tracking module (= half chamber), counting from 0

Definition at line 786 of file Aligner.cxx.

init()

void o2::mch::Aligner::init	(	TString	DataRecFName = "millerecords.root",
		TString	ConsRecFName = "milleconstraints.root"
	)

initialize

initialize millipede must be called after necessary detectors have been fixed, but before constrains are added and before global parameters initial value are set

Definition at line 195 of file Aligner.cxx.

InitGlobalParameters()

void o2::mch::Aligner::InitGlobalParameters

(

double *

par

)

initialize global parameters to a give set of values

Initialize global parameters with par array

Definition at line 1256 of file Aligner.cxx.

PrintGlobalParameters()

void o2::mch::Aligner::PrintGlobalParameters

(

void

)

const

print global parameters

Definition at line 1310 of file Aligner.cxx.

ProcessTrack()

void o2::mch::Aligner::ProcessTrack	(	Track &	track,
		const o2::mch::geo::TransformationCreator &	transformation,
		Bool_t	doAlignment,
		Double_t	weight = 1
	)

process track for alignment minimization

Definition at line 376 of file Aligner.cxx.

ReAlign()

void o2::mch::Aligner::ReAlign	(	std::vector< o2::detectors::AlignParam > &	params,
		std::vector< double > &	misAlignments
	)

Returns a new AliMUONGeometryTransformer with the found misalignments applied.

Definition at line 1322 of file Aligner.cxx.

ReleaseChamber()

void o2::mch::Aligner::ReleaseChamber	(	int	iCh,
		unsigned int	parameterMask = ParAll
	)

release parameters matching mask, for all detector elements in a given chamber, counting from 1

Definition at line 710 of file Aligner.cxx.

ReleaseDetElem()

void o2::mch::Aligner::ReleaseDetElem	(	int	iDetElemId,
		unsigned int	parameterMask = ParAll
	)

release parameters matching mask, for a given detector element, counting from 0

Definition at line 742 of file Aligner.cxx.

ReleaseParameter() [1/2]

void o2::mch::Aligner::ReleaseParameter ( int  iDetElem, int  iPar  )

inline

Definition at line 246 of file Aligner.h.

ReleaseParameter() [2/2]

void o2::mch::Aligner::ReleaseParameter

(

int

iPar

)

release a given parameter, counting from 0

Definition at line 761 of file Aligner.cxx.

SetAlignmentResolution()

void o2::mch::Aligner::SetAlignmentResolution	(	const TClonesArray *	misAlignArray,
		int	chId,
		double	chResX,
		double	chResY,
		double	deResX,
		double	deResY
	)

Set alignment resolution to misalign objects to be stored in CDB if rChId is > 0 set parameters for this chamber only, counting from 1

Definition at line 1404 of file Aligner.cxx.

SetAllowedVariation()

void o2::mch::Aligner::SetAllowedVariation	(	int	iPar,
		double	value
	)

"Encouraged" variation for degrees of freedom

Definition at line 1267 of file Aligner.cxx.

SetBFieldOn()

void o2::mch::Aligner::SetBFieldOn ( bool  value )

inline

Set flag for Magnetic field On/Off.

Definition at line 199 of file Aligner.h.

SetChamberNonLinear()

void o2::mch::Aligner::SetChamberNonLinear	(	int	iCh,
		unsigned int	parameterMask
	)

Set parameters matching mask as non linear, for all detector elements in a given chamber, counting from 1

Definition at line 855 of file Aligner.cxx.

SetDetElemNonLinear()

void o2::mch::Aligner::SetDetElemNonLinear	(	int	iSt,
		unsigned int	parameterMask
	)

Set parameters matching mask as non linear, for a given detector element, counting from 0

Definition at line 878 of file Aligner.cxx.

SetDoEvaluation()

void o2::mch::Aligner::SetDoEvaluation ( bool  value )

inline

set to true to do refit evaluation

Definition at line 205 of file Aligner.h.

SetParameterNonLinear() [1/2]

void o2::mch::Aligner::SetParameterNonLinear ( int  iDetElem, int  iPar  )

inline

Definition at line 275 of file Aligner.h.

SetParameterNonLinear() [2/2]

void o2::mch::Aligner::SetParameterNonLinear

(

int

iPar

)

Set nonlinear flag for parameter iPar

Definition at line 897 of file Aligner.cxx.

SetReadOnly()

void o2::mch::Aligner::SetReadOnly ( )

inline

Definition at line 314 of file Aligner.h.

SetRefitStraightTracks()

void o2::mch::Aligner::SetRefitStraightTracks ( bool  value )

inline

set to true to refit tracks

Definition at line 211 of file Aligner.h.

SetRunNumber()

void o2::mch::Aligner::SetRunNumber ( int  id )

inline

run number

Definition at line 193 of file Aligner.h.

SetSigmaXY()

void o2::mch::Aligner::SetSigmaXY	(	double	sigmaX,
		double	sigmaY
	)

Set expected measurement resolution

Definition at line 1284 of file Aligner.cxx.

terminate()

void o2::mch::Aligner::terminate

(

)

Definition at line 359 of file Aligner.cxx.

Member Data Documentation

fgDetElemHalfCh

const int o2::mch::Aligner::fgDetElemHalfCh

static

list of detection elements per tracking module

Definition at line 159 of file Aligner.h.

fgNDetElemCh

const int o2::mch::Aligner::fgNDetElemCh = {4, 4, 4, 4, 18, 18, 26, 26, 26, 26}

static

Number of detection elements per chamber.

Definition at line 150 of file Aligner.h.

fgNDetElemHalfCh

const int o2::mch::Aligner::fgNDetElemHalfCh = {2, 2, 2, 2, 2, 2, 2, 2, 9, 9, 9, 9, 13, 13, 13, 13, 13, 13, 13, 13}

static

Number of detection element per tracking module.

Definition at line 156 of file Aligner.h.

fgSNDetElemCh

const int o2::mch::Aligner::fgSNDetElemCh = {0, 4, 8, 12, 16, 34, 52, 78, 104, 130, 156}

static

Sum of detection elements up to this chamber.

Definition at line 153 of file Aligner.h.

---

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

• /home/runner/work/AliceO2/AliceO2/Detectors/MUON/MCH/Align/include/MCHAlign/Aligner.h
• /home/runner/work/AliceO2/AliceO2/Detectors/MUON/MCH/Align/src/Aligner.cxx