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AliTPCExBBShape Class Reference

AliTPCExBBShape class. More...

#include <AliTPCExBBShape.h>

Inheritance diagram for AliTPCExBBShape:

Public Member Functions

 AliTPCExBBShape ()
 
virtual ~AliTPCExBBShape ()
 
virtual Bool_t AddCorrectionCompact (AliTPCCorrection *corr, Double_t weight)
 
virtual void Init ()
 
virtual void Update (const TTimeStamp &timeStamp)
 
virtual void SetOmegaTauT1T2 (Float_t omegaTau, Float_t t1, Float_t t2)
 
void SetC1C2 (Float_t c1, Float_t c2)
 
Float_t GetC1 () const
 
Float_t GetC2 () const
 
void SetBField (const AliMagF *bField)
 
AliMagF * GetBField () const
 
virtual void GetCorrection (const Float_t x[], const Short_t roc, Float_t dx[])
 
void GetBxAndByOverBz (const Float_t x[], const Short_t roc, Float_t BxByOverBz[])
 
virtual void Print (Option_t *option="") const
 
Double_t GetScaling () const
 
- Public Member Functions inherited from AliTPCCorrection
 AliTPCCorrection ()
 
 AliTPCCorrection (const char *name, const char *title)
 
virtual ~AliTPCCorrection ()
 
void CorrectPoint (Float_t x[], Short_t roc)
 
void CorrectPointLocal (Float_t x[], Short_t roc)
 
void CorrectPoint (const Float_t x[], Short_t roc, Float_t xp[])
 
virtual void GetCorrectionDz (const Float_t x[], Short_t roc, Float_t dx[], Float_t delta)
 
virtual void GetCorrectionIntegralDz (const Float_t x[], Short_t roc, Float_t dx[], Float_t delta)
 
void DistortPoint (Float_t x[], Short_t roc)
 
void DistortPointLocal (Float_t x[], Short_t roc)
 
void DistortPoint (const Float_t x[], Short_t roc, Float_t xp[])
 
virtual void GetDistortion (const Float_t x[], Short_t roc, Float_t dx[])
 
virtual void GetDistortionDz (const Float_t x[], Short_t roc, Float_t dx[], Float_t delta)
 
virtual void GetDistortionIntegralDz (const Float_t x[], Short_t roc, Float_t dx[], Float_t delta)
 
virtual void SetCorrScaleFactor (Float_t)
 
virtual Float_t GetCorrScaleFactor () const
 
TH2F * CreateHistoDRinXY (Float_t z=10., Int_t nx=100, Int_t ny=100)
 
TH2F * CreateHistoDRPhiinXY (Float_t z=10., Int_t nx=100, Int_t nphi=100)
 
TH2F * CreateHistoDZinXY (Float_t z=10., Int_t nx=100, Int_t ny=100)
 
TH2F * CreateHistoDRinZR (Float_t phi=0., Int_t nZ=100, Int_t nR=100)
 
TH2F * CreateHistoDRPhiinZR (Float_t phi=0., Int_t nZ=100, Int_t nR=100)
 
TH2F * CreateHistoDZinZR (Float_t phi=0., Int_t nZ=100, Int_t nR=100)
 
TTree * CreateDistortionTree (Double_t step=5, Int_t type=0)
 
AliExternalTrackParam * FitDistortedTrack (AliExternalTrackParam &trackIn, Double_t refX, Int_t dir, TTreeSRedirector *pcstream)
 
void StoreInOCDB (Int_t startRun, Int_t endRun, const char *comment=0)
 
void FastSimDistortedVertex (Double_t orgVertex[3], Int_t nTracks, AliESDVertex &aV, AliESDVertex &avOrg, AliESDVertex &cV, AliESDVertex &cvOrg, TTreeSRedirector *const pcstream, Double_t etaCuts)
 

Static Public Member Functions

static Double_t GetBFieldXYZ (Double_t gx, Double_t gy, Double_t gz, Int_t axisType)
 
- Static Public Member Functions inherited from AliTPCCorrection
static void MakeDistortionMap (THnSparse *his0, TTreeSRedirector *pcstream, const char *hname, Int_t run, Float_t refX, Int_t type, Int_t integ=1)
 
static void MakeDistortionMapCosmic (THnSparse *his0, TTreeSRedirector *pcstream, const char *hname, Int_t run, Float_t refX, Int_t type)
 
static void MakeDistortionMapSector (THnSparse *his0, TTreeSRedirector *pcstream, const char *hname, Int_t run, Int_t type)
 
static void MakeTrackDistortionTree (TTree *tinput, Int_t dtype, Int_t ptype, const TObjArray *corrArray, Int_t step=1, Int_t offset=0, Bool_t debug=0)
 
static void MakeSectorDistortionTree (TTree *tinput, Int_t dtype, Int_t ptype, const TObjArray *corrArray, Int_t step=1, Int_t offset=0, Bool_t debug=0)
 
static void MakeLaserDistortionTreeOld (TTree *tree, TObjArray *corrArray, Int_t itype)
 
static void MakeLaserDistortionTree (TTree *tree, TObjArray *corrArray, Int_t itype)
 
static void AddVisualCorrection (AliTPCCorrection *corr, Int_t position)
 
static AliTPCCorrectionGetVisualCorrection (Int_t position)
 
static AliTPCCorrectionGetVisualCorrection (const char *corName)
 
static TObjArrayGetVisualCorrections ()
 
static Double_t GetCorrSector (Double_t sector, Double_t r, Double_t kZ, Int_t axisType, Int_t corrType=0)
 
static Double_t GetCorrXYZ (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0)
 
static Double_t GetCorrXYZDz (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5)
 
static Double_t GetCorrXYZIntegrateZ (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5)
 
static Double_t GetDistXYZ (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0)
 
static Double_t GetDistXYZDz (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5)
 
static Double_t GetDistXYZIntegrateZ (Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5)
 
static Double_t GetCorrectionSector (Double_t sector, Double_t r, Double_t kZ, Int_t axisType, Int_t corrType=0)
 
static Double_t GetDistortionSector (Double_t sector, Double_t r, Double_t kZ, Int_t axisType, Int_t corrType=0)
 

Private Member Functions

AliTPCExBBShapeoperator= (const AliTPCExBBShape &)
 
 AliTPCExBBShape (const AliTPCExBBShape &)
 

Private Attributes

Float_t fC1
 coefficient C1 (compare Jim Thomas's notes for definitions) More...
 
Float_t fC2
 coefficient C2 (compare Jim Thomas's notes for definitions) More...
 
Float_t fScaling
 scaling factor to rescale distortion - for tests purposes only More...
 
AliMagF * fBField
 pointer to magnetic field More...
 

Additional Inherited Members

- Public Types inherited from AliTPCCorrection
enum  CompositionType { kParallel, kQueue }
 
enum  IntegrationType { kIntegral, kDifferential }
 
- Protected Types inherited from AliTPCCorrection
enum  { kNR = 72 }
 
enum  { kNPhi = 18*10+1 }
 
enum  { kNZ = 166 }
 
- Protected Member Functions inherited from AliTPCCorrection
TH2F * CreateTH2F (const char *name, const char *title, const char *xlabel, const char *ylabel, const char *zlabel, Int_t nbinsx, Double_t xlow, Double_t xup, Int_t nbinsy, Double_t ylow, Double_t yup)
 
void Interpolate2DEdistortion (Int_t order, Double_t r, Double_t z, const Double_t er[kNZ][kNR], Double_t &erValue)
 
void Interpolate3DEdistortion (Int_t order, Double_t r, Float_t phi, Double_t z, const Double_t er[kNZ][kNPhi][kNR], const Double_t ephi[kNZ][kNPhi][kNR], const Double_t ez[kNZ][kNPhi][kNR], Double_t &erValue, Double_t &ephiValue, Double_t &ezValue)
 
Double_t Interpolate2DTable (Int_t order, Double_t x, Double_t y, Int_t nx, Int_t ny, const Double_t xv[], const Double_t yv[], const TMatrixD &array)
 
Double_t Interpolate3DTable (Int_t order, Double_t x, Double_t y, Double_t z, Int_t nx, Int_t ny, Int_t nz, const Double_t xv[], const Double_t yv[], const Double_t zv[], TMatrixD **arrayofArrays)
 
Double_t Interpolate (const Double_t xArray[], const Double_t yArray[], Int_t order, Double_t x)
 
void Search (Int_t n, const Double_t xArray[], Double_t x, Int_t &low)
 
Float_t Interpolate2DTable (Int_t order, Double_t x, Double_t y, Int_t nx, Int_t ny, const Double_t xv[], const Double_t yv[], const TMatrixF &array)
 
Float_t Interpolate3DTable (Int_t order, Double_t x, Double_t y, Double_t z, Int_t nx, Int_t ny, Int_t nz, const Double_t xv[], const Double_t yv[], const Double_t zv[], TMatrixF **arrayofArrays)
 
Float_t Interpolate (const Double_t xArray[], const Float_t yArray[], Int_t order, Double_t x)
 
virtual Int_t IsPowerOfTwo (Int_t i) const
 
void PoissonRelaxation2D (TMatrixD &arrayV, TMatrixD &chargeDensity, TMatrixD &arrayErOverEz, TMatrixD &arrayDeltaEz, Int_t rows, Int_t columns, Int_t iterations, Bool_t rocDisplacement=kTRUE)
 
void PoissonRelaxation3D (TMatrixD **arrayofArrayV, TMatrixD **arrayofChargeDensities, TMatrixD **arrayofEroverEz, TMatrixD **arrayofEPhioverEz, TMatrixD **arrayofEz, Int_t rows, Int_t columns, Int_t phislices, Float_t deltaphi, Int_t iterations, Int_t summetry, Bool_t rocDisplacement=kTRUE, IntegrationType integrationType=kIntegral)
 
void SetIsLocal (Bool_t isLocal)
 
Bool_t IsLocal () const
 
- Protected Attributes inherited from AliTPCCorrection
Double_t fgkRList [kNR]
 points in the radial direction (for the lookup table) More...
 
Double_t fgkPhiList [kNPhi]
 points in the phi direction (for the lookup table) More...
 
Double_t fgkZList [kNZ]
 points in the z direction (for the lookup table) More...
 
Int_t fILow
 
Int_t fJLow
 
Int_t fKLow
 variable to help in the interpolation More...
 
Double_t fT1
 tensor term of wt - T1 More...
 
Double_t fT2
 tensor term of wt - T2 More...
 
Bool_t fIsLocal
 switch to indicate that the distortion is a local vector drphi/dz, dr/dz More...
 
IntegrationType fIntegrationType
 Presentation of the underlying corrections, integrated, or differential. More...
 
- Static Protected Attributes inherited from AliTPCCorrection
static const Double_t fgkTPCZ0 = 249.7
 nominal gating grid position More...
 
static const Double_t fgkIFCRadius = 83.5
 Mean Radius of the Inner Field Cage ( 82.43 min, 83.70 max) (cm)/hera/alice/wiechula/calib/guiTrees. More...
 
static const Double_t fgkOFCRadius = 254.5
 Mean Radius of the Outer Field Cage (252.55 min, 256.45 max) (cm) More...
 
static const Double_t fgkZOffSet = 0.2
 Offset from CE: calculate all distortions closer to CE as if at this point. More...
 
static const Double_t fgkCathodeV = -100000.0
 Cathode Voltage (volts) More...
 
static const Double_t fgkGG = -70.0
 Gating Grid voltage (volts) More...
 
static const Double_t fgkdvdE = 0.0024
 [cm/V] drift velocity dependency on the E field (from Magboltz for NeCO2N2 at standard environment) More...
 
static const Double_t fgkEM = -1.602176487e-19/9.10938215e-31
 charge/mass in [C/kg] More...
 
static const Double_t fgke0 = 8.854187817e-12
 vacuum permittivity [A·s/(V·m)] More...
 
static TObjArrayfgVisualCorrection =0
 array of orrection for visualization More...
 

Detailed Description

AliTPCExBBShape class.

AliExBBShape class.

The class calculates the space point distortions due to the B field shape imperfections using a second order technique based on integrals over Bz (e.g. int By/Bz) obtained via the AliMagF class. The essential input for this class is the magnetic field maps which can be set via the function SetBField.

The class allows "effective Omega Tau" corrections.

AliTPCExBBShape_h_32a8c9f.png
Picture from ROOT macro
Author
Magnus Mager, Jim Thomas, Stefan Rossegger
Date
27/04/2010

Definition at line 25 of file AliTPCExBBShape.h.

Constructor & Destructor Documentation

AliTPCExBBShape::AliTPCExBBShape ( )

default constructor

Definition at line 27 of file AliTPCExBBShape.cxx.

AliTPCExBBShape::~AliTPCExBBShape ( )
virtual

virtual destructor

Definition at line 37 of file AliTPCExBBShape.cxx.

AliTPCExBBShape::AliTPCExBBShape ( const AliTPCExBBShape )
private

Member Function Documentation

Bool_t AliTPCExBBShape::AddCorrectionCompact ( AliTPCCorrection corr,
Double_t  weight 
)
virtual

Add correction and make them compact Assumptions:

  • origin of distortion/correction are additive
  • only correction ot the same type supported ()

Reimplemented from AliTPCCorrection.

Definition at line 45 of file AliTPCExBBShape.cxx.

AliMagF* AliTPCExBBShape::GetBField ( ) const
inline

Definition at line 47 of file AliTPCExBBShape.h.

Double_t AliTPCExBBShape::GetBFieldXYZ ( Double_t  gx,
Double_t  gy,
Double_t  gz,
Int_t  axisType 
)
static

return B field at given x,y,z

Definition at line 172 of file AliTPCExBBShape.cxx.

void AliTPCExBBShape::GetBxAndByOverBz ( const Float_t  x[],
const Short_t  roc,
Float_t  BxByOverBz[] 
)

This function is purely for calibration purposes Returns the via AliMagF obtaind B field integrals

Definition at line 131 of file AliTPCExBBShape.cxx.

Float_t AliTPCExBBShape::GetC1 ( ) const
inline

Definition at line 42 of file AliTPCExBBShape.h.

Float_t AliTPCExBBShape::GetC2 ( ) const
inline

Definition at line 43 of file AliTPCExBBShape.h.

void AliTPCExBBShape::GetCorrection ( const Float_t  x[],
const Short_t  roc,
Float_t  dx[] 
)
virtual

Calculates the space point corrections of the B field inperfections (B field shape)

Reimplemented from AliTPCCorrection.

Definition at line 104 of file AliTPCExBBShape.cxx.

Double_t AliTPCExBBShape::GetScaling ( ) const
inline

Definition at line 54 of file AliTPCExBBShape.h.

void AliTPCExBBShape::Init ( )
virtual

Initialization funtion

Reimplemented from AliTPCCorrection.

Definition at line 66 of file AliTPCExBBShape.cxx.

AliTPCExBBShape& AliTPCExBBShape::operator= ( const AliTPCExBBShape )
private
void AliTPCExBBShape::Print ( Option_t *  option = "") const
virtual

Print function to check the settings (e.g. voltage offsets) option=="a" prints details of the B field settings and the C0 and C1 coefficents (for calibration purposes)

Reimplemented from AliTPCCorrection.

Definition at line 157 of file AliTPCExBBShape.cxx.

Referenced by RegisterAliTPCExBShape().

void AliTPCExBBShape::SetBField ( const AliMagF *  bField)
inline
void AliTPCExBBShape::SetC1C2 ( Float_t  c1,
Float_t  c2 
)
inline

Definition at line 41 of file AliTPCExBBShape.h.

virtual void AliTPCExBBShape::SetOmegaTauT1T2 ( Float_t  omegaTau,
Float_t  t1,
Float_t  t2 
)
inlinevirtual

Reimplemented from AliTPCCorrection.

Definition at line 36 of file AliTPCExBBShape.h.

Referenced by Init(), MakeComposedCorrection(), RegisterAliTPCExBShape(), and Update().

void AliTPCExBBShape::Update ( const TTimeStamp &  timeStamp)
virtual

Update function

Reimplemented from AliTPCCorrection.

Definition at line 84 of file AliTPCExBBShape.cxx.

Member Data Documentation

AliMagF* AliTPCExBBShape::fBField
private

pointer to magnetic field

Definition at line 59 of file AliTPCExBBShape.h.

Referenced by GetBField(), GetBxAndByOverBz(), GetCorrection(), Print(), and SetBField().

Float_t AliTPCExBBShape::fC1
private

coefficient C1 (compare Jim Thomas's notes for definitions)

Definition at line 56 of file AliTPCExBBShape.h.

Referenced by GetC1(), GetCorrection(), Print(), SetC1C2(), and SetOmegaTauT1T2().

Float_t AliTPCExBBShape::fC2
private

coefficient C2 (compare Jim Thomas's notes for definitions)

Definition at line 57 of file AliTPCExBBShape.h.

Referenced by GetC2(), GetCorrection(), Print(), SetC1C2(), and SetOmegaTauT1T2().

Float_t AliTPCExBBShape::fScaling
private

scaling factor to rescale distortion - for tests purposes only

Definition at line 58 of file AliTPCExBBShape.h.

Referenced by AddCorrectionCompact(), GetBxAndByOverBz(), GetCorrection(), and GetScaling().


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