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ATO-78 - Robust filters - modifications for boundary values
[u/mrichter/AliRoot.git] / TPC / Base / AliTPCCorrection.h
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0116859c 1#ifndef ALI_TPC_CORRECTION_H
2#define ALI_TPC_CORRECTION_H
3
4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
b4caed64 7
0116859c 8////////////////////////////////////////////////////////////////////////////////
0116859c 9// AliTPCCorrection class //
0116859c 10////////////////////////////////////////////////////////////////////////////////
11
12
13#include <TNamed.h>
1b923461 14#include "TMatrixD.h"
2bf29b72 15#include "TMatrixF.h"
0116859c 16class TH2F;
e527a1b9 17class TTimeStamp;
0116859c 18class TCollection;
cf5b0aa0 19class TTreeSRedirector;
20class AliExternalTrackParam;
ffab0c37 21class TTree;
8b63d99c 22class THnSparse;
ca58ed4e 23class AliESDVertex;
1b923461 24
25
0116859c 26class AliTPCCorrection : public TNamed {
27public:
28 enum CompositionType {kParallel,kQueue};
29
30 AliTPCCorrection();
31 AliTPCCorrection(const char *name,const char *title);
32 virtual ~AliTPCCorrection();
33
34
35 // functions to correct a space point
5a516e0a 36 void CorrectPoint ( Float_t x[], Short_t roc);
37 void CorrectPointLocal(Float_t x[], Short_t roc);
38 void CorrectPoint (const Float_t x[], Short_t roc,Float_t xp[]);
39 virtual void GetCorrection(const Float_t x[], Short_t roc,Float_t dx[]);
fdbbc146 40
5a516e0a 41 virtual void GetCorrectionDz(const Float_t x[], Short_t roc,Float_t dx[], Float_t delta);
42 virtual void GetCorrectionIntegralDz(const Float_t x[], Short_t roc,Float_t dx[], Float_t delta);
05da1b4e 43
0116859c 44 // functions to distort a space point
5a516e0a 45 void DistortPoint ( Float_t x[], Short_t roc);
46 void DistortPointLocal(Float_t x[], Short_t roc);
47 void DistortPoint (const Float_t x[], Short_t roc,Float_t xp[]);
48 virtual void GetDistortion(const Float_t x[], Short_t roc,Float_t dx[]);
2d4e971f 49
5a516e0a 50 virtual void GetDistortionDz(const Float_t x[], Short_t roc,Float_t dx[], Float_t delta);
51 virtual void GetDistortionIntegralDz(const Float_t x[], Short_t roc,Float_t dx[], Float_t delta);
05da1b4e 52
e527a1b9 53 // initialization and update functions
0116859c 54 virtual void Init();
e527a1b9 55 virtual void Update(const TTimeStamp &timeStamp);
0116859c 56
862220e2 57 // map scaling
58 virtual void SetCorrScaleFactor(Float_t /*val*/) { ; }
59 virtual Float_t GetCorrScaleFactor() const { return 1.; }
60
0116859c 61 // convenience functions
62 virtual void Print(Option_t* option="") const;
63
64 TH2F* CreateHistoDRinXY (Float_t z=10.,Int_t nx=100,Int_t ny=100);
65 TH2F* CreateHistoDRPhiinXY(Float_t z=10.,Int_t nx=100,Int_t nphi=100);
c9cbd2f2 66 TH2F* CreateHistoDZinXY (Float_t z=10.,Int_t nx=100,Int_t ny=100);
67
0116859c 68 TH2F* CreateHistoDRinZR (Float_t phi=0.,Int_t nZ=100,Int_t nR=100);
69 TH2F* CreateHistoDRPhiinZR(Float_t phi=0.,Int_t nZ=100,Int_t nR=100);
c9cbd2f2 70 TH2F* CreateHistoDZinZR (Float_t phi=0.,Int_t nZ=100,Int_t nR=100);
71
72
ffab0c37 73 TTree* CreateDistortionTree(Double_t step=5);
97d17739 74 static void MakeDistortionMap(THnSparse * his0, TTreeSRedirector *pcstream, const char* hname, Int_t run, Float_t refX, Int_t type, Int_t integ=1);
cfe2c39a 75 static void MakeDistortionMapCosmic(THnSparse * his0, TTreeSRedirector *pcstream, const char* hname, Int_t run, Float_t refX, Int_t type);
76 static void MakeDistortionMapSector(THnSparse * his0, TTreeSRedirector *pcstream, const char* hname, Int_t run, Int_t type);
0116859c 77 // normally called directly in the correction classes which inherit from this class
78 virtual void SetOmegaTauT1T2(Float_t omegaTau,Float_t t1,Float_t t2);
be67055b 79 AliExternalTrackParam * FitDistortedTrack(AliExternalTrackParam & trackIn, Double_t refX, Int_t dir,TTreeSRedirector *pcstream);
ffab0c37 80 void StoreInOCDB(Int_t startRun, Int_t endRun, const char *comment=0);
46e89793 81 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);
82 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);
83 static void MakeLaserDistortionTreeOld(TTree* tree, TObjArray *corrArray, Int_t itype);
7f4cb119 84 static void MakeLaserDistortionTree(TTree* tree, TObjArray *corrArray, Int_t itype);
f1817479 85
86 void FastSimDistortedVertex(Double_t orgVertex[3], Int_t nTracks, AliESDVertex &aV, AliESDVertex &avOrg, AliESDVertex &cV, AliESDVertex &cvOrg, TTreeSRedirector * const pcstream, Double_t etaCuts);
87
88 static void AddVisualCorrection(AliTPCCorrection* corr, Int_t position);
c5c662a5 89 static AliTPCCorrection* GetVisualCorrection(Int_t position);
287fbdfa 90 static Double_t GetCorrSector(Double_t sector, Double_t r, Double_t kZ, Int_t axisType, Int_t corrType=0);
f1817479 91 static Double_t GetCorrXYZ(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0);
fdbbc146 92 //
93 static Double_t GetCorrXYZDz(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0,Double_t delta=5);
94 static Double_t GetCorrXYZIntegrateZ(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5);
2d4e971f 95
96 static Double_t GetDistXYZ(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0);
97 //
98 static Double_t GetDistXYZDz(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0,Double_t delta=5);
99 static Double_t GetDistXYZIntegrateZ(Double_t gx, Double_t gy, Double_t gz, Int_t axisType, Int_t corrType=0, Double_t delta=5);
fdbbc146 100
ca58ed4e 101
0116859c 102protected:
103 TH2F* CreateTH2F(const char *name,const char *title,
104 const char *xlabel,const char *ylabel,const char *zlabel,
105 Int_t nbinsx,Double_t xlow,Double_t xup,
106 Int_t nbinsy,Double_t ylow,Double_t yup);
107
c9cbd2f2 108 static const Double_t fgkTPCZ0; // nominal gating grid position
0116859c 109 static const Double_t fgkIFCRadius; // Mean Radius of the Inner Field Cage ( 82.43 min, 83.70 max) (cm)
110 static const Double_t fgkOFCRadius; // Mean Radius of the Outer Field Cage (252.55 min, 256.45 max) (cm)
111 static const Double_t fgkZOffSet; // Offset from CE: calculate all distortions closer to CE as if at this point
112 static const Double_t fgkCathodeV; // Cathode Voltage (volts)
113 static const Double_t fgkGG; // Gating Grid voltage (volts)
c9cbd2f2 114 static const Double_t fgkdvdE; // [cm/V] drift velocity dependency on the E field (from Magboltz for NeCO2N2 at standard environment)
115 static const Double_t fgkEM; // charge/mass in [C/kg]
116 static const Double_t fgke0; // vacuum permittivity [A·s/(V·m)]
0116859c 117
c9cbd2f2 118
35ae345f 119 enum {kNR= 72 }; // Number of R points in the table for interpolating distortion data
120 enum {kNPhi= 18*10+1}; // Number of Phi points in the table for interpolating distortion data ( plus one extra for 360 == 0 )
121 enum {kNZ= 166}; // Number of Z points in the table for interpolating distortion data
c9cbd2f2 122
35ae345f 123 Double_t fgkRList[kNR]; // points in the radial direction (for the lookup table)
c9cbd2f2 124 Double_t fgkPhiList[kNPhi]; // points in the phi direction (for the lookup table)
35ae345f 125 Double_t fgkZList[kNZ]; // points in the z direction (for the lookup table)
0116859c 126
127 // Simple Interpolation functions: e.g. with tricubic interpolation (not yet in TH3)
c9cbd2f2 128 Int_t fILow, fJLow, fKLow; // variable to help in the interpolation
2bf29b72 129 // Double_t versions
5a516e0a 130 void Interpolate2DEdistortion( Int_t order, Double_t r, Double_t z,
b1f0a2a5 131 const Double_t er[kNZ][kNR], Double_t &erValue );
5a516e0a 132 void Interpolate3DEdistortion( Int_t order, Double_t r, Float_t phi, Double_t z,
35ae345f 133 const Double_t er[kNZ][kNPhi][kNR], const Double_t ephi[kNZ][kNPhi][kNR],
134 const Double_t ez[kNZ][kNPhi][kNR],
c9cbd2f2 135 Double_t &erValue, Double_t &ephiValue, Double_t &ezValue);
2bf29b72 136 // TMatrixD versions (for e.g. Poisson relaxation)
5a516e0a 137 Double_t Interpolate2DTable( Int_t order, Double_t x, Double_t y,
138 Int_t nx, Int_t ny, const Double_t xv[], const Double_t yv[],
c9cbd2f2 139 const TMatrixD &array );
5a516e0a 140 Double_t Interpolate3DTable( Int_t order, Double_t x, Double_t y, Double_t z,
141 Int_t nx, Int_t ny, Int_t nz,
c9cbd2f2 142 const Double_t xv[], const Double_t yv[], const Double_t zv[],
143 TMatrixD **arrayofArrays );
0116859c 144 Double_t Interpolate( const Double_t xArray[], const Double_t yArray[],
5a516e0a 145 Int_t order, Double_t x );
146 void Search( Int_t n, const Double_t xArray[], Double_t x, Int_t &low );
2bf29b72 147
148 // TMatrixF versions (smaller size, e.g. for final look up table)
5a516e0a 149 Float_t Interpolate2DTable( Int_t order, Double_t x, Double_t y,
150 Int_t nx, Int_t ny, const Double_t xv[], const Double_t yv[],
2bf29b72 151 const TMatrixF &array );
5a516e0a 152 Float_t Interpolate3DTable( Int_t order, Double_t x, Double_t y, Double_t z,
153 Int_t nx, Int_t ny, Int_t nz,
2bf29b72 154 const Double_t xv[], const Double_t yv[], const Double_t zv[],
155 TMatrixF **arrayofArrays );
156 Float_t Interpolate( const Double_t xArray[], const Float_t yArray[],
5a516e0a 157 Int_t order, Double_t x );
2bf29b72 158
710bda39 159 virtual Int_t IsPowerOfTwo ( Int_t i ) const ;
1b923461 160
c9cbd2f2 161
162
163 // Algorithms to solve the laplace or poisson equation
164 void PoissonRelaxation2D(TMatrixD &arrayV, TMatrixD &chargeDensity,
165 TMatrixD &arrayErOverEz, TMatrixD &arrayDeltaEz,
5a516e0a 166 Int_t rows, Int_t columns, Int_t iterations,
167 Bool_t rocDisplacement = kTRUE);
c9cbd2f2 168
169 void PoissonRelaxation3D( TMatrixD **arrayofArrayV, TMatrixD **arrayofChargeDensities,
170 TMatrixD **arrayofEroverEz, TMatrixD **arrayofEPhioverEz, TMatrixD **arrayofEz,
5a516e0a 171 Int_t rows, Int_t columns, Int_t phislices,
172 Float_t deltaphi, Int_t iterations, Int_t summetry,
173 Bool_t rocDisplacement = kTRUE);
d9ef0909 174 void SetIsLocal(Bool_t isLocal){fIsLocal=isLocal;}
175 Bool_t IsLocal() const { return fIsLocal;}
534fd34a 176protected:
177 Double_t fT1; // tensor term of wt - T1
178 Double_t fT2; // tensor term of wt - T2
d9ef0909 179 Bool_t fIsLocal; // switch to indicate that the distortion is a local vector drphi/dz, dr/dz
f1817479 180 static TObjArray *fgVisualCorrection; // array of orrection for visualization
7f4cb119 181private:
c9cbd2f2 182 AliTPCCorrection(const AliTPCCorrection &); // not implemented
183 AliTPCCorrection &operator=(const AliTPCCorrection &); // not implemented
184
35ae345f 185 void InitLookUpfulcrums(); // to initialize the grid of the look up table
186
c3fea858 187 ClassDef(AliTPCCorrection,5);
0116859c 188};
189
190#endif