Namespace for the general broken lines package. More...

Classes
class	BorderedBandMatrix
	(Symmetric) Bordered Band Matrix. More...

class	GblData
	Data (block) for independent scalar measurement. More...

class	GblDetectorLayer
	Detector layer. More...

class	GblHelixPrediction
	Prediction on helix. More...

class	GblMeasurement
	Measurement at point. More...

class	GblPoint
	Point on trajectory. More...

class	GblSimpleHelix
	Simple helix. More...

class	GblTrajectory
	GBL trajectory. More...

class	MilleBinary
	Millepede-II (binary) record. More...

class	VMatrix
	Simple Matrix based on std::vector<double> More...

class	VSymMatrix
	Simple symmetric Matrix based on std::vector<double> More...

class	VVector
	Simple Vector based on std::vector<double> More...

Typedefs
typedef Eigen::Matrix< double, 5, 5 >	Matrix5d

typedef Eigen::Matrix< double, 4, 9 >	Matrix49d

typedef Eigen::Matrix< double, 5, 1 >	Vector5d

typedef Eigen::Matrix< double, 2, 3 >	Matrix23d

typedef Eigen::Matrix< double, 2, 5 >	Matrix25d

typedef Eigen::Matrix< double, 3, 2 >	Matrix32d

Enumerations
enum	dataBlockType { None , InternalMeasurement , InternalKink , ExternalSeed , ExternalMeasurement }

Functions
GblDetectorLayer	CreateLayerDc (const std::string aName, unsigned int layer, double xPos, double yPos, double zPos, double thickness, double xzAngle, double stereoAngle, double uRes)
	Create a drift chamber layer with 1D measurement. More...

GblDetectorLayer	CreateLayerSit (const std::string aName, unsigned int layer, double xPos, double yPos, double zPos, double thickness, double uAngle, double uRes)
	Create a silicon layer with 1D measurement. More...

GblDetectorLayer	CreateLayerSit (const std::string aName, unsigned int layer, double xPos, double yPos, double zPos, double thickness, double uAngle, double uRes, double vAngle, double vRes)
	Create a silicon layer with 2D measurement. More...

GblDetectorLayer	CreateWireCdc (const std::string aName, unsigned int layer, double xPos, double yPos, double zPos, double phi, double tanLambda, double stereoAngle, double uRes)
	Create a drift chamber wire with 1D measurement. More...

GblDetectorLayer	CreateImpactPar (const std::string aName, unsigned int layer, double xPos, double yPos, double zPos, double phi, double tanLambda, double xRes, double yRes, double zRes)
	Create detector plane for impact parameters as 2D measurement. More...

double	gblMultipleScatteringError (double qbyp, double xbyx0)
	Multiple scattering error. More...

Matrix5d	gblSimpleJacobian (double ds, double cosl, double bfac)
	Simple jacobian. More...

double	unrm ()
	unit normal distribution, Box-Muller method, polar form More...

double	unif ()
	uniform distribution [0..1] More...

Detailed Description

Namespace for the general broken lines package.

Typedef Documentation

◆ Matrix23d

typedef Eigen::Matrix< double, 2, 3 > gbl::Matrix23d

Definition at line 52 of file GblMeasurement.h.

◆ Matrix25d

typedef Eigen::Matrix< double, 2, 5 > gbl::Matrix25d

Definition at line 53 of file GblMeasurement.h.

◆ Matrix32d

typedef Eigen::Matrix< double, 3, 2 > gbl::Matrix32d

Definition at line 54 of file GblMeasurement.h.

◆ Matrix49d

typedef Eigen::Matrix< double, 4, 9 > gbl::Matrix49d

Definition at line 47 of file GblData.h.

◆ Matrix5d

typedef Eigen::Matrix< double, 5, 5 > gbl::Matrix5d

Definition at line 46 of file GblData.h.

◆ Vector5d

typedef Eigen::Matrix< double, 5, 1 > gbl::Vector5d

Definition at line 51 of file GblMeasurement.h.

Enumeration Type Documentation

◆ dataBlockType

enum gbl::dataBlockType

Enumerator
None
InternalMeasurement
InternalKink
ExternalSeed
ExternalMeasurement

Definition at line 49 of file GblData.h.

Function Documentation

◆ CreateImpactPar()

GblDetectorLayer gbl::CreateImpactPar	(	const std::string	aName,
		unsigned int	layer,
		double	xPos,
		double	yPos,
		double	zPos,
		double	phi,
		double	tanLambda,
		double	xRes,
		double	yRes,
		double	zRes
	)

Create detector plane for impact parameters as 2D measurement.

Parameters

[in]	aName	name
[in]	layer	layer ID
[in]	xPos	X-position (of center)
[in]	yPos	Y-position (of center)
[in]	zPos	Z-position (of center)
[in]	phi	track direction in XY
[in]	tanLambda	track direction in ZS
[in]	xRes	resolution in x-direction
[in]	yRes	resolution in y-direction
[in]	zRes	resolution in z-direction

Definition at line 90 of file exampleUtilCdc.cpp.

Referenced by exampleComposedGeo(), and exampleComposedKin().

◆ CreateLayerDc()

GblDetectorLayer gbl::CreateLayerDc	(	const std::string	aName,
		unsigned int	layer,
		double	xPos,
		double	yPos,
		double	zPos,
		double	thickness,
		double	xzAngle,
		double	stereoAngle,
		double	uRes
	)

Create a drift chamber layer with 1D measurement.

Create drift chamber layer with 1D measurement (u)

Parameters

[in]	aName	name
[in]	layer	layer ID
[in]	xPos	X-position (of center)
[in]	yPos	Y-position (of center)
[in]	zPos	Z-position (of center)
[in]	thickness	thickness / radiation_length
[in]	xzAngle	angle of normal in XZ plane
[in]	stereoAngle	stereo angle
[in]	uRes	resolution in u-direction

Definition at line 335 of file exampleDc.cpp.

Referenced by exampleDc().

◆ CreateLayerSit() [1/2]

GblDetectorLayer gbl::CreateLayerSit	(	const std::string	aName,
		unsigned int	layer,
		double	xPos,
		double	yPos,
		double	zPos,
		double	thickness,
		double	uAngle,
		double	uRes
	)

Create a silicon layer with 1D measurement.

Create silicon layer with 1D measurement (u) at fixed X-position.

Parameters

[in]	aName	name
[in]	layer	layer ID
[in]	xPos	X-position (of center)
[in]	yPos	Y-position (of center)
[in]	zPos	Z-position (of center)
[in]	thickness	thickness / radiation_length
[in]	uAngle	angle of u-direction in YZ plane
[in]	uRes	resolution in u-direction

Definition at line 324 of file exampleSit.cpp.

◆ CreateLayerSit() [2/2]

GblDetectorLayer gbl::CreateLayerSit	(	const std::string	aName,
		unsigned int	layer,
		double	xPos,
		double	yPos,
		double	zPos,
		double	thickness,
		double	uAngle,
		double	uRes,
		double	vAngle,
		double	vRes
	)

Create a silicon layer with 2D measurement.

Create silicon layer with 2D measurement (u,v) at fixed X-position. The measurement directions in the YZ plane can be orthogonal or non-orthogonal (but must be different).

Parameters

[in]	aName	name
[in]	layer	layer ID
[in]	xPos	X-position (of center)
[in]	yPos	Y-position (of center)
[in]	zPos	Z-position (of center)
[in]	thickness	thickness / radiation_length
[in]	uAngle	angle of u-direction in YZ plane
[in]	uRes	resolution in u-direction
[in]	vAngle	angle of v-direction in YZ plane
[in]	vRes	resolution in v-direction

Definition at line 357 of file exampleSit.cpp.

Referenced by exampleSit().

◆ CreateWireCdc()

GblDetectorLayer gbl::CreateWireCdc	(	const std::string	aName,
		unsigned int	layer,
		double	xPos,
		double	yPos,
		double	zPos,
		double	phi,
		double	tanLambda,
		double	stereoAngle,
		double	uRes
	)

Create a drift chamber wire with 1D measurement.

Create drift chamber wire at given position with 1D measurement (u)

Parameters

[in]	aName	name
[in]	layer	layer ID
[in]	xPos	X-position (of center)
[in]	yPos	Y-position (of center)
[in]	zPos	Z-position (of center)
[in]	phi	track direction in XY
[in]	tanLambda	track direction in ZS
[in]	stereoAngle	stereo angle
[in]	uRes	resolution in u-direction

Definition at line 50 of file exampleUtilCdc.cpp.

Referenced by exampleComposedGeo(), and exampleComposedKin().

◆ gblMultipleScatteringError()

double gbl::gblMultipleScatteringError	(	double	qbyp,
		double	xbyx0
	)

Multiple scattering error.

Angular error in plane, simple model (Rossi, Greisen, (1941))

Parameters

[in]	qbyp	q/p [1/GeV]
[in]	xbyx0	thickness / radiation length

Definition at line 44 of file GblUtilities.cpp.

Referenced by exampleComposedGeo(), exampleComposedKin(), exampleDc(), and exampleSit().

◆ gblSimpleJacobian()

Eigen::Matrix< double, 5, 5 > gbl::gblSimpleJacobian	(	double	ds,
		double	cosl,
		double	bfac
	)

Simple jacobian.

Simple jacobian for (q/p, slopes, offsets) in curvilinear system, constant magnetic field in Z direction, quadratic in arc length difference.

Parameters

[in]	ds	arc-length
[in]	cosl	cos(lambda)
[in]	bfac	Bz*c

Returns: jacobian to move by 'ds' on trajectory

Definition at line 58 of file GblUtilities.cpp.

Referenced by example1(), example2(), example3(), example4(), exampleComposedGeo(), exampleComposedKin(), exampleDc(), and exampleSit().

◆ unif()

double gbl::unif ( )

uniform distribution [0..1]

Definition at line 94 of file GblUtilities.cpp.

Referenced by exampleComposedGeo(), exampleComposedKin(), exampleDc(), and exampleSit().

◆ unrm()

double gbl::unrm ( )

unit normal distribution, Box-Muller method, polar form

Definition at line 69 of file GblUtilities.cpp.

Referenced by example1(), example2(), example3(), example4(), exampleComposedGeo(), exampleComposedKin(), exampleDc(), and exampleSit().

Classes

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

◆ Matrix23d

◆ Matrix25d

◆ Matrix32d

◆ Matrix49d

◆ Matrix5d

◆ Vector5d

Enumeration Type Documentation

◆ dataBlockType

Function Documentation

◆ CreateImpactPar()

◆ CreateLayerDc()

◆ CreateLayerSit() [1/2]

◆ CreateLayerSit() [2/2]

◆ CreateWireCdc()

◆ gblMultipleScatteringError()

◆ gblSimpleJacobian()

◆ unif()

◆ unrm()