ActsPlugins::RootMeasurementIo Class Reference

Helper class to manage the I/O of measurements and associated clusters to and from ROOT files. More...

#include <ActsPlugins/Root/RootMeasurementIo.hpp>

Classes
struct	Config

Public Member Functions
	RootMeasurementIo (const Config &config)
	Constructor from configuration struct.
void	clear ()
	Clear the payload.
void	connectForWrite (TTree &measurementTree)
	sets the branch connection for writing to a file
void	fillBoundMeasurement (const std::vector< double > &measurement, const std::vector< double > &variances, const std::vector< unsigned int > &subspaceIndex)
	Convenience function to fill bound parameters.
void	fillCluster (const std::vector< std::tuple< int, int, float > > &channels)
	Convenience function to fill the cluster information.
void	fillGlobalPosition (const Acts::Vector3 &pos)
	Fill global information of the cluster/measurement.
void	fillIdentification (int evnt, const Acts::GeometryIdentifier &geoId)
	Convenience function to register identification.
void	fillTruthParameters (const Acts::Vector2 &lp, const Acts::Vector4 &xt, const Acts::Vector3 &dir, const std::pair< double, double > angles)
	Convenience function to register the truth parameters.

Detailed Description

Helper class to manage the I/O of measurements and associated clusters to and from ROOT files.

Constructor & Destructor Documentation

RootMeasurementIo()

ActsPlugins::RootMeasurementIo::RootMeasurementIo ( const Config & config )

explicit

Constructor from configuration struct.

Parameters

config

the configuration for the accessor

Member Function Documentation

clear()

void ActsPlugins::RootMeasurementIo::clear

(

)

Clear the payload.

connectForWrite()

void ActsPlugins::RootMeasurementIo::connectForWrite

(

TTree &

measurementTree

)

sets the branch connection for writing to a file

Parameters

measurementTree

the TTree to write the measurement track to

fillBoundMeasurement()

void ActsPlugins::RootMeasurementIo::fillBoundMeasurement	(	const std::vector< double > &	measurement,
		const std::vector< double > &	variances,
		const std::vector< unsigned int > &	subspaceIndex )

Convenience function to fill bound parameters.

• abstracted to be used in different contexts

Parameters

measurement	The measurement parameters
variances	The measurement variances (assumed diagonally)
subspaceIndex	The subspace indices of the measurement

fillCluster()

void ActsPlugins::RootMeasurementIo::fillCluster

(

const std::vector< std::tuple< int, int, float > > &

channels

)

Convenience function to fill the cluster information.

• abstracted to be used in different contexts

Parameters

channels

The channel information

fillGlobalPosition()

void ActsPlugins::RootMeasurementIo::fillGlobalPosition

(

const Acts::Vector3 &

pos

)

Fill global information of the cluster/measurement.

Parameters

pos	The global position of the cluster

fillIdentification()

void ActsPlugins::RootMeasurementIo::fillIdentification	(	int	evnt,
		const Acts::GeometryIdentifier &	geoId )

Convenience function to register identification.

Parameters

evnt	The event number
geoId	The geometry identifier of the measurement

fillTruthParameters()

void ActsPlugins::RootMeasurementIo::fillTruthParameters	(	const Acts::Vector2 &	lp,
		const Acts::Vector4 &	xt,
		const Acts::Vector3 &	dir,
		const std::pair< double, double >	angles )

Convenience function to register the truth parameters.

Parameters

lp	The true local position
xt	The true 4D global position
dir	The true particle direction
angles	The incident angles