Implementation of a forward detector layer (disk). More...

#include <ForwardSimplifiedGeometry.h>

Inheritance diagram for fastsim::ForwardSimplifiedGeometry:

Public Member Functions
	ForwardSimplifiedGeometry (double z)
	Constructor. More...

	ForwardSimplifiedGeometry (ForwardSimplifiedGeometry &&)=default
	Move constructor. More...

const double	getMagneticFieldZ (const math::XYZTLorentzVector &position) const override
	Return magnetic field (field only has Z component!) on the forward layer. More...

const double	getThickness (const math::XYZTLorentzVector &position) const override
	Return thickness of the forward layer at a given position. More...

const double	getThickness (const math::XYZTLorentzVector &position, const math::XYZTLorentzVector &momentum) const override
	Return thickness of the forward layer at a given position, also considering the incident angle. More...

const double	getZ () const
	Return z-position of the forward layer. More...

bool	isForward () const override
	Returns true since class for forward layer. More...

	~ForwardSimplifiedGeometry () override
	Default destructor. More...

Public Member Functions inherited from fastsim::SimplifiedGeometry
CaloType	getCaloType () const
	Hack to interface "old" Calorimetry with "new" Tracker. More...

const DetLayer *	getDetLayer () const
	Return pointer to the assigned active layer (if any). More...

const double	getGeomProperty () const
	Return geometric attribute of the layer. More...

const std::vector< InteractionModel * > &	getInteractionModels () const
	Return the vector of all interaction models that are assigned with a layer. More...

const double	getNuclearInteractionThicknessFactor () const
	Some layers have a different thickness for nuclear interactions. More...

int	index () const
	Return index of this layer (layers are numbered according to their position in the detector). More...

SimplifiedGeometry &	operator= (SimplifiedGeometry &&)=default

SimplifiedGeometry &	operator= (SimplifiedGeometry const &)=delete

void	setCaloType (CaloType type)
	Hack to interface "old" Calorimetry with "new" Tracker. More...

void	setIndex (int index)
	Set index of this layer (layers are numbered according to their position in the detector). More...

	SimplifiedGeometry (double geomProperty)
	Default constructor. More...

	SimplifiedGeometry (SimplifiedGeometry &&)=default

	SimplifiedGeometry (SimplifiedGeometry const &)=delete

virtual	~SimplifiedGeometry ()
	Default destructor. More...

Additional Inherited Members
Public Types inherited from fastsim::SimplifiedGeometry
enum	CaloType { NONE, TRACKERBOUNDARY, PRESHOWER1, PRESHOWER2, ECAL, HCAL, VFCAL }
	Hack to interface "old" Calorimetry with "new" Tracker. More...

Protected Attributes inherited from fastsim::SimplifiedGeometry
CaloType	caloType_
	Hack to interface "old" Calorimetry with "new" Tracker. More...

const DetLayer *	detLayer_
	Return pointer to the assigned active layer (if any). More...

double	geomProperty_
	Geometric property of the layer: radius (barrel layer) / position z (forward layer) More...

int	index_
	Return index of this layer (layers are numbered according to their position in the detector). The (usual) order is increasing 'geomProperty'. More...

std::vector< InteractionModel * >	interactionModels_
	Vector of all interaction models that are assigned with a layer. More...

std::unique_ptr< TH1F >	magneticFieldHist_
	Histogram that stores the size of the magnetic field along the layer. More...

double	nuclearInteractionThicknessFactor_
	Some layers have a different thickness for nuclear interactions. More...

std::unique_ptr< TH1F >	thicknessHist_
	Histogram that stores the tickness (radLengths) along the layer. More...

Detailed Description

Implementation of a forward detector layer (disk).

A disk with a position in Z and a thickness (in radiation length). The layer is regarded to have an infinite radius, however the thickness can vary (as a function of the radius) and also be 0.

Definition at line 21 of file ForwardSimplifiedGeometry.h.

Constructor & Destructor Documentation

◆ ForwardSimplifiedGeometry() [1/2]

fastsim::ForwardSimplifiedGeometry::ForwardSimplifiedGeometry ( double z )

inline

Constructor.

Create a forward layer with a given position (along z-axis).

Parameters

radius The z-position of the layer (in cm).

Definition at line 28 of file ForwardSimplifiedGeometry.h.

28 : SimplifiedGeometry(z) {}

◆ ForwardSimplifiedGeometry() [2/2]

fastsim::ForwardSimplifiedGeometry::ForwardSimplifiedGeometry ( ForwardSimplifiedGeometry && )

default

Move constructor.

◆ ~ForwardSimplifiedGeometry()

fastsim::ForwardSimplifiedGeometry::~ForwardSimplifiedGeometry ( )

inlineoverride

Default destructor.

Definition at line 34 of file ForwardSimplifiedGeometry.h.

34 {};

Member Function Documentation

◆ getMagneticFieldZ()

const double fastsim::ForwardSimplifiedGeometry::getMagneticFieldZ ( const math::XYZTLorentzVector & position ) const

inlineoverridevirtual

Return magnetic field (field only has Z component!) on the forward layer.

Returns the magnetic field along the forward layer at a specified position (radial symmetric).

Parameters

position A position which has to be on the forward layer.

Returns: The magnetic field on the layer.

Implements fastsim::SimplifiedGeometry.

Definition at line 72 of file ForwardSimplifiedGeometry.h.

                                                                                          {
       return magneticFieldHist_->GetBinContent(magneticFieldHist_->GetXaxis()->FindBin(position.Pt()));
     }

References fastsim::SimplifiedGeometry::magneticFieldHist_, and position.

◆ getThickness() [1/2]

const double fastsim::ForwardSimplifiedGeometry::getThickness ( const math::XYZTLorentzVector & position ) const

inlineoverridevirtual

Return thickness of the forward layer at a given position.

Returns the thickness of the forward layer (in radiation length) at a specified position since the thickness can vary as a function of the radius.

Parameters

position A position which has to be on the forward layer.

Returns: The thickness of the layer (in radiation length).

See also: getThickness(const math::XYZTLorentzVector & position, const math::XYZTLorentzVector & momentum)

Implements fastsim::SimplifiedGeometry.

Definition at line 49 of file ForwardSimplifiedGeometry.h.

                                                                                     {
       return thicknessHist_->GetBinContent(thicknessHist_->GetXaxis()->FindBin(position.Pt()));
     }

References position, and fastsim::SimplifiedGeometry::thicknessHist_.

Referenced by getThickness().

◆ getThickness() [2/2]

const double fastsim::ForwardSimplifiedGeometry::getThickness	(	const math::XYZTLorentzVector &	position,
		const math::XYZTLorentzVector &	momentum
	)		const

inlineoverridevirtual

Return thickness of the forward layer at a given position, also considering the incident angle.

Returns the thickness of the forward layer (in radiation length) at a specified position and a given incident angle since the thickness can vary as a function of the radius.

Parameters

position	A position which has to be on the forward layer.
momentum	The momentum of the incident particle.

Returns: The thickness of the layer (in radiation length).

See also: getThickness(const math::XYZTLorentzVector & position)

Implements fastsim::SimplifiedGeometry.

Definition at line 61 of file ForwardSimplifiedGeometry.h.

                                                                                     {
       return getThickness(position) / fabs(momentum.Pz()) * momentum.P();
     }

References getThickness(), and position.