#include <TracksToRecords.h>

Inherits o2::mft::Aligner.

Public Member Functions
	TracksToRecords ()
	construtor

	~TracksToRecords () override
	destructor

void	init () override
	init Millipede and AlignPointHelper

void	setClusterDictionary (const o2::itsmft::TopologyDictionary *d)

void	setRunNumber (const int value)

void	setBz (const float bz)

void	setMinNumberClusterCut (const int value)

void	setWithControl (const bool choice)

void	setNEntriesAutoSave (const int value)

void	setWithConstraintsRecWriter (const bool choice)

void	processTimeFrame (o2::framework::ProcessingContext &ctx)
	access mft tracks and clusters in the timeframe provided by the workflow

void	processRecoTracks ()
	use valid tracks (and associated clusters) from the workflow to build Mille records

void	processROFs (TChain mfttrackChain, TChain mftclusterChain)
	use mft tracks and clusters provided by ROOT files accessed via TChain to build Mille records

void	printProcessTrackSummary ()
	print a summary status of what happened in processRecoTracks() or processROFs()

void	startRecordWriter ()
	init the utility needed to write data records and its control tree

void	endRecordWriter ()
	end the utility used to write data records and its control tree

void	startConstraintsRecWriter ()
	init the utility needed to write constraints records

void	endConstraintsRecWriter ()
	end the utility used to write constraints records

Public Member Functions inherited from o2::mft::Aligner
	Aligner ()
	construtor

virtual	~Aligner ()
	destructor

void	setChi2CutNStdDev (const Int_t value)

void	setResidualCutInitial (const Double_t value)

void	setResidualCut (const Double_t value)

void	setAllowedVariationDeltaX (const double value)

void	setAllowedVariationDeltaY (const double value)

void	setAllowedVariationDeltaZ (const double value)

void	setAllowedVariationDeltaRz (const double value)

void	setChi2CutFactor (const double value)

int	getNDofPerSensor () const
	return the number of DOF per sensor

Protected Member Functions
bool	setLocalDerivative (Int_t index, Double_t value)
	set array of local derivatives

bool	setGlobalDerivative (Int_t index, Double_t value)
	set array of global derivatives

bool	resetLocalDerivative ()
	reset the array of the Local derivative

bool	resetGlocalDerivative ()
	reset the array of the Global derivative

bool	setLocalEquationX ()
	set the first component of the local equation vector for a given alignment point

bool	setLocalEquationY ()
	set the 2nd component of the local equation vector for a given alignment point

bool	setLocalEquationZ ()
	set the last component of the local equation vector for a given alignment point

	ClassDefOverride (TracksToRecords, 0)

Protected Member Functions inherited from o2::mft::Aligner
	ClassDef (Aligner, 0)

Protected Attributes
int	mRunNumber
	run number

float	mBz
	magnetic field status

int	mNumberTFs
	number of timeframes processed

int	mNumberOfClusterChainROFs
	number of ROFs in the cluster chain

int	mNumberOfTrackChainROFs
	number of ROFs in the track chain

int	mCounterLocalEquationFailed
	count how many times we failed to set a local equation

int	mCounterSkippedTracks
	count how many tracks did not met the cut on the min. nb of clusters

int	mCounterUsedTracks
	count how many tracks were used to make Mille records

std::vector< double >	mGlobalDerivatives
	vector of global derivatives {dDeltaX, dDeltaY, dDeltaRz, dDeltaZ}

std::vector< double >	mLocalDerivatives
	vector of local derivatives {dX0, dTx, dY0, dTz}

int	mMinNumberClusterCut
	Minimum number of clusters in the track to be used for alignment.

double	mWeightRecord
	the weight given to a single Mille record in Millepede algorithm

const o2::itsmft::TopologyDictionary *	mDictionary
	cluster patterns dictionary

o2::mft::AlignPointHelper *	mAlignPoint
	Alignment point helper.

bool	mWithControl
	boolean to set the use of the control tree

long	mNEntriesAutoSave = 10000
	number of entries needed to call AutoSave for the output TTrees

o2::mft::AlignPointControl	mPointControl
	AlignPointControl handles the control tree.

o2::fwdalign::MilleRecordWriter *	mRecordWriter
	utility that handles the writing of the data records to a ROOT file

bool	mWithConstraintsRecWriter
	boolean to be set to true if one wants to also write constaints records

o2::fwdalign::MilleRecordWriter *	mConstraintsRecWriter
	utility that handles the writing of the constraints records

std::vector< o2::BaseCluster< double > >	mMFTClustersLocal
	MFT clusters in local coordinate system.

std::vector< o2::BaseCluster< double > >	mMFTClustersGlobal
	MFT clusters in global coordinate system.

o2::fwdalign::MillePede2 *	mMillepede
	Millepede2 implementation copied from AliROOT.

gsl::span< const o2::mft::TrackMFT >	mMFTTracks

gsl::span< const o2::itsmft::ROFRecord >	mMFTTracksROF

gsl::span< const int >	mMFTTrackClusIdx

gsl::span< const o2::itsmft::CompClusterExt >	mMFTClusters

gsl::span< const o2::itsmft::ROFRecord >	mMFTClustersROF

gsl::span< const unsigned char >	mMFTClusterPatterns

gsl::span< constunsignedchar >::iterator	mPattIt

Protected Attributes inherited from o2::mft::Aligner
std::array< double, mNDofPerSensor >	mAllowVar
	"Encouraged" variation for degrees of freedom {dx, dy, dRz, dz}

double	mStartFac
	Initial value for chi2 cut, used to reject outliers i.e. bad tracks with sum(chi2) > Chi2DoFLim(fNStdDev, nDoF) * chi2CutFactor (if > 1, iterations in Millepede are turned on)

int	mChi2CutNStdDev
	Number of standard deviations for chi2 cut.

double	mResCutInitial
	Cut on residual on first iteration.

double	mResCut
	Cut on residual for other iterations.

TString	mMilleRecordsFileName
	output file name when saving the Mille records

TString	mMilleConstraintsRecFileName
	output file name when saving the records of the constraints

bool	mIsInitDone = false
	boolean to follow the initialisation status

std::vector< int >	mGlobalParameterStatus
	vector of effective degrees of freedom, used to fix detectors, parameters, etc.

Additional Inherited Members
Static Protected Attributes inherited from o2::mft::Aligner
static constexpr int	mNumberOfTrackParam = 4
	Number of track (= local) parameters (X0, Tx, Y0, Ty)

static constexpr int	mNDofPerSensor = 4
	translation in global x, y, z, and rotation Rz around global z-axis

static o2::itsmft::ChipMappingMFT	mChipMapping
	MFT chip <-> ladder, layer, disk, half mapping.

static constexpr int	mNumberOfSensors = mChipMapping.getNChips()
	Total number of sensors (detection elements) in the MFT.

static constexpr int	mNumberOfGlobalParam = mNDofPerSensor * mNumberOfSensors
	Number of alignment (= global) parameters.

static constexpr int	mFixedParId = -1

static constexpr int	mFreeParId = mFixedParId - 1

Detailed Description

Definition at line 44 of file TracksToRecords.h.

Constructor & Destructor Documentation

◆ TracksToRecords()

TracksToRecords::TracksToRecords ( )

construtor

Definition at line 30 of file TracksToRecords.cxx.

◆ ~TracksToRecords()

TracksToRecords::~TracksToRecords ( )

override

destructor

Definition at line 63 of file TracksToRecords.cxx.

Member Function Documentation

◆ ClassDefOverride()

o2::mft::TracksToRecords::ClassDefOverride	(	TracksToRecords	,
		0
	)

protected

◆ endConstraintsRecWriter()

void TracksToRecords::endConstraintsRecWriter ( )

end the utility used to write constraints records

Definition at line 459 of file TracksToRecords.cxx.

◆ endRecordWriter()

void TracksToRecords::endRecordWriter ( )

end the utility used to write data records and its control tree

Definition at line 436 of file TracksToRecords.cxx.

◆ init()

void TracksToRecords::init ( )

overridevirtual

init Millipede and AlignPointHelper

Implements o2::mft::Aligner.

Definition at line 84 of file TracksToRecords.cxx.

◆ printProcessTrackSummary()

void TracksToRecords::printProcessTrackSummary ( )

print a summary status of what happened in processRecoTracks() or processROFs()

Definition at line 407 of file TracksToRecords.cxx.

◆ processRecoTracks()

void TracksToRecords::processRecoTracks ( )

use valid tracks (and associated clusters) from the workflow to build Mille records

Definition at line 160 of file TracksToRecords.cxx.

◆ processROFs()

void TracksToRecords::processROFs	(	TChain *	mfttrackChain,
		TChain *	mftclusterChain
	)

use mft tracks and clusters provided by ROOT files accessed via TChain to build Mille records

Definition at line 267 of file TracksToRecords.cxx.

◆ processTimeFrame()

void TracksToRecords::processTimeFrame ( o2::framework::ProcessingContext & ctx )

access mft tracks and clusters in the timeframe provided by the workflow

Definition at line 141 of file TracksToRecords.cxx.

◆ resetGlocalDerivative()

bool TracksToRecords::resetGlocalDerivative ( )

protected

reset the array of the Global derivative

Definition at line 513 of file TracksToRecords.cxx.

◆ resetLocalDerivative()

bool TracksToRecords::resetLocalDerivative ( )

protected

reset the array of the Local derivative

Definition at line 504 of file TracksToRecords.cxx.

◆ setBz()

void o2::mft::TracksToRecords::setBz ( const float bz )

inline

Definition at line 60 of file TracksToRecords.h.

◆ setClusterDictionary()

void o2::mft::TracksToRecords::setClusterDictionary ( const o2::itsmft::TopologyDictionary * d )

inline

Definition at line 58 of file TracksToRecords.h.

◆ setGlobalDerivative()

bool TracksToRecords::setGlobalDerivative	(	Int_t	index,
		Double_t	value
	)

protected

set array of global derivatives

Definition at line 487 of file TracksToRecords.cxx.

◆ setLocalDerivative()

bool TracksToRecords::setLocalDerivative	(	Int_t	index,
		Double_t	value
	)

protected

set array of local derivatives

Definition at line 470 of file TracksToRecords.cxx.

◆ setLocalEquationX()

bool TracksToRecords::setLocalEquationX ( )

protected

set the first component of the local equation vector for a given alignment point

Definition at line 522 of file TracksToRecords.cxx.

◆ setLocalEquationY()

bool TracksToRecords::setLocalEquationY ( )

protected

set the 2nd component of the local equation vector for a given alignment point

Definition at line 587 of file TracksToRecords.cxx.

◆ setLocalEquationZ()

bool TracksToRecords::setLocalEquationZ ( )

protected

set the last component of the local equation vector for a given alignment point

Definition at line 651 of file TracksToRecords.cxx.

◆ setMinNumberClusterCut()

void o2::mft::TracksToRecords::setMinNumberClusterCut ( const int value )

inline

Definition at line 61 of file TracksToRecords.h.

◆ setNEntriesAutoSave()

void o2::mft::TracksToRecords::setNEntriesAutoSave ( const int value )

inline

Definition at line 63 of file TracksToRecords.h.

◆ setRunNumber()

void o2::mft::TracksToRecords::setRunNumber ( const int value )

inline

Definition at line 59 of file TracksToRecords.h.

◆ setWithConstraintsRecWriter()

void o2::mft::TracksToRecords::setWithConstraintsRecWriter ( const bool choice )

inline

Definition at line 64 of file TracksToRecords.h.

◆ setWithControl()

void o2::mft::TracksToRecords::setWithControl ( const bool choice )

inline

Definition at line 62 of file TracksToRecords.h.

◆ startConstraintsRecWriter()

void TracksToRecords::startConstraintsRecWriter ( )

init the utility needed to write constraints records

Definition at line 447 of file TracksToRecords.cxx.

◆ startRecordWriter()

void TracksToRecords::startRecordWriter ( )

init the utility needed to write data records and its control tree

Definition at line 424 of file TracksToRecords.cxx.

Member Data Documentation

◆ mAlignPoint

o2::mft::AlignPointHelper* o2::mft::TracksToRecords::mAlignPoint

protected

Alignment point helper.

Definition at line 104 of file TracksToRecords.h.

◆ mBz

float o2::mft::TracksToRecords::mBz

protected

magnetic field status

Definition at line 92 of file TracksToRecords.h.

◆ mConstraintsRecWriter

o2::fwdalign::MilleRecordWriter* o2::mft::TracksToRecords::mConstraintsRecWriter

protected

utility that handles the writing of the constraints records

Definition at line 110 of file TracksToRecords.h.

◆ mCounterLocalEquationFailed

int o2::mft::TracksToRecords::mCounterLocalEquationFailed

protected

count how many times we failed to set a local equation

Definition at line 96 of file TracksToRecords.h.

◆ mCounterSkippedTracks

int o2::mft::TracksToRecords::mCounterSkippedTracks

protected

count how many tracks did not met the cut on the min. nb of clusters

Definition at line 97 of file TracksToRecords.h.

◆ mCounterUsedTracks

int o2::mft::TracksToRecords::mCounterUsedTracks

protected

count how many tracks were used to make Mille records

Definition at line 98 of file TracksToRecords.h.

◆ mDictionary

const o2::itsmft::TopologyDictionary* o2::mft::TracksToRecords::mDictionary

protected

cluster patterns dictionary

Definition at line 103 of file TracksToRecords.h.

◆ mGlobalDerivatives

std::vector<double> o2::mft::TracksToRecords::mGlobalDerivatives

protected

vector of global derivatives {dDeltaX, dDeltaY, dDeltaRz, dDeltaZ}

Definition at line 99 of file TracksToRecords.h.

◆ mLocalDerivatives

std::vector<double> o2::mft::TracksToRecords::mLocalDerivatives

protected

vector of local derivatives {dX0, dTx, dY0, dTz}

Definition at line 100 of file TracksToRecords.h.

◆ mMFTClusterPatterns

gsl::span<const unsigned char> o2::mft::TracksToRecords::mMFTClusterPatterns

protected

Definition at line 122 of file TracksToRecords.h.

◆ mMFTClusters

gsl::span<const o2::itsmft::CompClusterExt> o2::mft::TracksToRecords::mMFTClusters

protected

Definition at line 120 of file TracksToRecords.h.

◆ mMFTClustersGlobal

std::vector<o2::BaseCluster<double> > o2::mft::TracksToRecords::mMFTClustersGlobal

protected

MFT clusters in global coordinate system.

Definition at line 112 of file TracksToRecords.h.

◆ mMFTClustersLocal

std::vector<o2::BaseCluster<double> > o2::mft::TracksToRecords::mMFTClustersLocal

protected

MFT clusters in local coordinate system.

Definition at line 111 of file TracksToRecords.h.

◆ mMFTClustersROF

gsl::span<const o2::itsmft::ROFRecord> o2::mft::TracksToRecords::mMFTClustersROF

protected

Definition at line 121 of file TracksToRecords.h.

◆ mMFTTrackClusIdx

gsl::span<const int> o2::mft::TracksToRecords::mMFTTrackClusIdx

protected

Definition at line 119 of file TracksToRecords.h.

◆ mMFTTracks

gsl::span<const o2::mft::TrackMFT> o2::mft::TracksToRecords::mMFTTracks

protected

Definition at line 117 of file TracksToRecords.h.

◆ mMFTTracksROF

gsl::span<const o2::itsmft::ROFRecord> o2::mft::TracksToRecords::mMFTTracksROF

protected

Definition at line 118 of file TracksToRecords.h.

◆ mMillepede

o2::fwdalign::MillePede2* o2::mft::TracksToRecords::mMillepede

protected

Millepede2 implementation copied from AliROOT.

Definition at line 113 of file TracksToRecords.h.

◆ mMinNumberClusterCut

int o2::mft::TracksToRecords::mMinNumberClusterCut

protected

Minimum number of clusters in the track to be used for alignment.

Definition at line 101 of file TracksToRecords.h.

◆ mNEntriesAutoSave

long o2::mft::TracksToRecords::mNEntriesAutoSave = 10000

protected

number of entries needed to call AutoSave for the output TTrees

Definition at line 106 of file TracksToRecords.h.

◆ mNumberOfClusterChainROFs

int o2::mft::TracksToRecords::mNumberOfClusterChainROFs

protected

number of ROFs in the cluster chain

Definition at line 94 of file TracksToRecords.h.

◆ mNumberOfTrackChainROFs

int o2::mft::TracksToRecords::mNumberOfTrackChainROFs

protected

number of ROFs in the track chain

Definition at line 95 of file TracksToRecords.h.

◆ mNumberTFs

int o2::mft::TracksToRecords::mNumberTFs

protected

number of timeframes processed

Definition at line 93 of file TracksToRecords.h.

◆ mPattIt

gsl::span<constunsignedchar>::iterator o2::mft::TracksToRecords::mPattIt

protected

Definition at line 123 of file TracksToRecords.h.

◆ mPointControl

o2::mft::AlignPointControl o2::mft::TracksToRecords::mPointControl

protected

AlignPointControl handles the control tree.

Definition at line 107 of file TracksToRecords.h.

◆ mRecordWriter

o2::fwdalign::MilleRecordWriter* o2::mft::TracksToRecords::mRecordWriter

protected

utility that handles the writing of the data records to a ROOT file

Definition at line 108 of file TracksToRecords.h.

◆ mRunNumber

int o2::mft::TracksToRecords::mRunNumber

protected

run number

Definition at line 91 of file TracksToRecords.h.

◆ mWeightRecord

double o2::mft::TracksToRecords::mWeightRecord

protected

the weight given to a single Mille record in Millepede algorithm

Definition at line 102 of file TracksToRecords.h.

◆ mWithConstraintsRecWriter

bool o2::mft::TracksToRecords::mWithConstraintsRecWriter

protected

boolean to be set to true if one wants to also write constaints records

Definition at line 109 of file TracksToRecords.h.

◆ mWithControl

bool o2::mft::TracksToRecords::mWithControl

protected

boolean to set the use of the control tree

Definition at line 105 of file TracksToRecords.h.

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

/home/runner/work/AliceO2/AliceO2/Detectors/ITSMFT/MFT/alignment/include/MFTAlignment/TracksToRecords.h
/home/runner/work/AliceO2/AliceO2/Detectors/ITSMFT/MFT/alignment/src/TracksToRecords.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TracksToRecords()

◆ ~TracksToRecords()

Member Function Documentation

◆ ClassDefOverride()

◆ endConstraintsRecWriter()

◆ endRecordWriter()

◆ init()

◆ printProcessTrackSummary()

◆ processRecoTracks()

◆ processROFs()

◆ processTimeFrame()

◆ resetGlocalDerivative()

◆ resetLocalDerivative()

◆ setBz()

◆ setClusterDictionary()

◆ setGlobalDerivative()

◆ setLocalDerivative()

◆ setLocalEquationX()

◆ setLocalEquationY()

◆ setLocalEquationZ()

◆ setMinNumberClusterCut()

◆ setNEntriesAutoSave()

◆ setRunNumber()

◆ setWithConstraintsRecWriter()

◆ setWithControl()

◆ startConstraintsRecWriter()

◆ startRecordWriter()

Member Data Documentation

◆ mAlignPoint

◆ mBz

◆ mConstraintsRecWriter

◆ mCounterLocalEquationFailed

◆ mCounterSkippedTracks

◆ mCounterUsedTracks

◆ mDictionary

◆ mGlobalDerivatives

◆ mLocalDerivatives

◆ mMFTClusterPatterns

◆ mMFTClusters

◆ mMFTClustersGlobal

◆ mMFTClustersLocal

◆ mMFTClustersROF

◆ mMFTTrackClusIdx

◆ mMFTTracks

◆ mMFTTracksROF

◆ mMillepede

◆ mMinNumberClusterCut

◆ mNEntriesAutoSave

◆ mNumberOfClusterChainROFs

◆ mNumberOfTrackChainROFs

◆ mNumberTFs

◆ mPattIt

◆ mPointControl

◆ mRecordWriter

◆ mRunNumber

◆ mWeightRecord

◆ mWithConstraintsRecWriter

◆ mWithControl