Inheritance diagram for ERFieldMap:

Collaboration diagram for ERFieldMap:

Public Member Functions
	ERFieldMap ()

	ERFieldMap (const char mapName, const char fileType="R")

	ERFieldMap (ERFieldPar *fieldPar)

virtual	~ERFieldMap ()

virtual void	Init ()

virtual Double_t	GetBx (Double_t x, Double_t y, Double_t z)

virtual Double_t	GetBy (Double_t x, Double_t y, Double_t z)

virtual Double_t	GetBz (Double_t x, Double_t y, Double_t z)

virtual Bool_t	IsInside (Double_t x, Double_t y, Double_t z, Int_t &ix, Int_t &iy, Int_t &iz, Double_t &dx, Double_t &dy, Double_t &dz)

void	WriteAsciiFile (const char *fileName)

void	WriteRootFile (const char fileName, const char mapName)

virtual void	SetPosition (Double_t x, Double_t y, Double_t z)

void	SetVolume (TString localMagFieldVolName)

virtual void	SetScale (Double_t factor)

Double_t	GetXmin () const

Double_t	GetYmin () const

Double_t	GetZmin () const

Double_t	GetXmax () const

Double_t	GetYmax () const

Double_t	GetZmax () const

Double_t	GetXstep () const

Double_t	GetYstep () const

Double_t	GetZstep () const

Int_t	GetNx () const

Int_t	GetNy () const

Int_t	GetNz () const

Double_t	GetPositionX () const

Double_t	GetPositionY () const

Double_t	GetPositionZ () const

Double_t	GetScale () const

TArrayF *	GetBx () const

TArrayF *	GetBy () const

TArrayF *	GetBz () const

const char *	GetFileName ()

virtual void	Print (Option_t *="") const

Protected Member Functions
void	Reset ()

void	ReadAsciiFile (const char *fileName)

void	ReadRootFile (const char fileName, const char mapName)

Double_t	Interpolate (Double_t dx, Double_t dy, Double_t dz)

Protected Attributes
TString	fFileName

Double_t	fScale

Double_t	fPosX

Double_t	fPosY

Double_t	fPosZ

Double_t	fXmin

Double_t	fXmax

Double_t	fXstep

Double_t	fYmin

Double_t	fYmax

Double_t	fYstep

Double_t	fZmin

Double_t	fZmax

Double_t	fZstep

Int_t	fNx

Int_t	fNy

Int_t	fNz

TArrayF *	fBx

TArrayF *	fBy

TArrayF *	fBz

Double_t	fHa [2][2][2]

Double_t	fHb [2][2]
	Field at corners of a grid cell.

Double_t	fHc [2]
	Interpolated field (2-dim)

Double_t	fBxOrigin
	Interpolated field (1-dim)

Double_t	fByOrigin
	x-component of the field at the origin

Double_t	fBzOrigin
	y-component of the field at the origin

TGeoNode *	fLocalMagFieldNode
	z-component of the field at the origin

TString	fLocalMagFieldVolName

Private Member Functions
	ERFieldMap (const ERFieldMap &)

ERFieldMap &	operator= (const ERFieldMap &)

Detailed Description

Definition at line 21 of file ERFieldMap.h.

Constructor & Destructor Documentation

ERFieldMap::ERFieldMap ( )

Default constructor

Definition at line 26 of file ERFieldMap.cxx.

ERFieldMap::ERFieldMap	(	const char *	mapName,
		const char *	fileType = `"R"`
	)

Standard constructor

Parameters

name	Name of field map
fileType	R = ROOT file, A = ASCII

Definition at line 73 of file ERFieldMap.cxx.

ERFieldMap::ERFieldMap ( ERFieldPar * fieldPar )

Constructor from ERFieldPar

Definition at line 128 of file ERFieldMap.cxx.

ERFieldMap::~ERFieldMap ( )

virtual

Destructor

Definition at line 189 of file ERFieldMap.cxx.

Member Function Documentation

Double_t ERFieldMap::GetBx	(	Double_t	x,
		Double_t	y,
		Double_t	z
	)

virtual

Get the field components at a certain point

Parameters

x,y,z Point coordinates (global) [cm] Bx,By,Bz Field components [kG]

Definition at line 240 of file ERFieldMap.cxx.

TArrayF* ERFieldMap::GetBx ( ) const

inline

Accessors to the field value arrays

Definition at line 85 of file ERFieldMap.h.

const char* ERFieldMap::GetFileName ( )

inline

Accessor to field map file

Definition at line 89 of file ERFieldMap.h.

Double_t ERFieldMap::GetPositionX ( ) const

inline

Accessor to field centre position in global system

Definition at line 79 of file ERFieldMap.h.

Double_t ERFieldMap::GetScale ( ) const

inline

Accessor to global scaling factor

Definition at line 83 of file ERFieldMap.h.

Double_t ERFieldMap::GetXmin ( ) const

inline

Accessors to field parameters in local coordinate system

Definition at line 66 of file ERFieldMap.h.

void ERFieldMap::Init ( )

virtual

Initialisation (read map from file)

Definition at line 196 of file ERFieldMap.cxx.

Double_t ERFieldMap::Interpolate	(	Double_t	dx,
		Double_t	dy,
		Double_t	dz
	)

protected

Set field parameters and data Get field values by interpolation of the grid.

Parameters

dx,dy,dz Relative distance from grid point [cell units]

Definition at line 614 of file ERFieldMap.cxx.

Bool_t ERFieldMap::IsInside	(	Double_t	x,
		Double_t	y,
		Double_t	z,
		Int_t &	ix,
		Int_t &	iy,
		Int_t &	iz,
		Double_t &	dx,
		Double_t &	dy,
		Double_t &	dz
	)

virtual

Determine whether a point is inside the field map

Parameters

x,y,z	Point coordinates (global) [cm]
ix,iy,iz	(return) Grid cell
dx,dy,dz	(return) Distance from grid point [cm] if inside kTRUE if inside map, else kFALSE

Definition at line 363 of file ERFieldMap.cxx.

void ERFieldMap::Print ( Option_t * = "" ) const

virtual

Screen output

Definition at line 456 of file ERFieldMap.cxx.

void ERFieldMap::ReadAsciiFile ( const char * fileName )

protected

Read the field map from an ASCII file

Definition at line 498 of file ERFieldMap.cxx.

void ERFieldMap::ReadRootFile	(	const char *	fileName,
		const char *	mapName
	)

protected

Read field map from a ROOT file

Definition at line 583 of file ERFieldMap.cxx.

void ERFieldMap::Reset ( )

protected

Reset the field parameters and data

Definition at line 485 of file ERFieldMap.cxx.

void ERFieldMap::SetPosition	(	Double_t	x,
		Double_t	y,
		Double_t	z
	)

virtual

Set the position of the field centre

Definition at line 449 of file ERFieldMap.cxx.

virtual void ERFieldMap::SetScale ( Double_t factor )

inlinevirtual

Set a global field scaling factor

Definition at line 64 of file ERFieldMap.h.

void ERFieldMap::WriteAsciiFile ( const char * fileName )

Write the field map to an ASCII file

Definition at line 390 of file ERFieldMap.cxx.

void ERFieldMap::WriteRootFile	(	const char *	fileName,
		const char *	mapName
	)

Write field map data to a ROOT file

Definition at line 436 of file ERFieldMap.cxx.

Member Data Documentation

TArrayF* ERFieldMap::fBx

protected

Arrays with the field values

Definition at line 120 of file ERFieldMap.h.

TString ERFieldMap::fFileName

protected

Map file name

Definition at line 108 of file ERFieldMap.h.

Double_t ERFieldMap::fHa[2][2][2]

protected

Variables for temporary storage Used in the very frequently called method GetFieldValue

Definition at line 125 of file ERFieldMap.h.

Int_t ERFieldMap::fNx

protected

Number of grid points

Definition at line 118 of file ERFieldMap.h.

Double_t ERFieldMap::fPosX

protected

Field centre position in global coordinates

Definition at line 112 of file ERFieldMap.h.

Double_t ERFieldMap::fScale

protected

Global scaling factor (w.r.t. map on file)

Definition at line 110 of file ERFieldMap.h.

Double_t ERFieldMap::fXmin

protected

Field limits in local coordinate system

Definition at line 114 of file ERFieldMap.h.

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

field/ERFieldMap.h
field/ERFieldMap.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation