make the update of the period level QA safe (by running in a temp location and only...
[u/mrichter/AliRoot.git] / TPC / Base / AliTPCExBFirst.h
cf585711 1/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
2 * See cxx source for full Copyright notice */
5// An approximate (first order) implementation of the ExB effect.
faf93237 10
11#include "AliTPCExB.h"
f7a1cc68 12//class AliFieldMap;
cf585711 13class AliMagF;
faf93237 14
15class AliTPCExBFirst:public AliTPCExB {
481f877b 17 AliTPCExBFirst();
f7a1cc68 18 // AliTPCExBFirst(const AliFieldMap *bFieldMap,Double_t driftVelocity);
faf93237 19 AliTPCExBFirst(const AliMagF *bField,Double_t driftVelocity,
20 Int_t nx=100,Int_t ny=100,Int_t nz=100);
21 virtual ~AliTPCExBFirst();
22 virtual void Correct(const Double_t *position,Double_t *corrected);
23 void TestThisBeautifulObject(const char* fileName);
481f877b 24 void SetDriftVelocity(Double_t driftVelocity) {
25 fDriftVelocity=driftVelocity;
26 };
28 Double_t fDriftVelocity; // The electron drift velocity.
faf93237 29private:
30 AliTPCExBFirst& operator=(const AliTPCExBFirst&); // don't assign me
31 AliTPCExBFirst(const AliTPCExBFirst&); // don't copy me
f7a1cc68 32 // void ConstructCommon(const AliFieldMap *bFieldMap,const AliMagF *bField);
33 void ConstructCommon(const AliMagF *bField);
faf93237 34 void GetMeanFields(Double_t rx,Double_t ry,Double_t rz,
35 Double_t *Bx,Double_t *By) const;
481f877b 36 Int_t fkNX; // field mesh points in x direction
37 Int_t fkNY; // field mesh points in y direction
38 Int_t fkNZ; // field mesh points in z direction
39 Double_t fkXMin; // the first grid point in x direction
40 Double_t fkXMax; // the last grid point in x direction
41 Double_t fkYMin; // the first grid point in y direction
42 Double_t fkYMax; // the last grid point in y direction
43 Double_t fkZMin; // the first grid point in z direction
44 Double_t fkZMax; // the last grid point in z direction
45 Int_t fkNMean; // size of the tablE the mean fields
cf585711 46 Double_t *fkMeanBx; //[fkNMean] the mean field in x direction upto a certain z value
47 Double_t *fkMeanBy; //[fkNMean] the mean field in y direction upto a certain z value
481f877b 48 Double_t fkMeanBz; // the mean field in z direction inside the TPC volume
49 static const Double_t fgkEM; //! elementary charge over electron mass (C/kg)
50 static const Double_t fgkDriftField; //! the TPC drift field (V/m) (modulus)
faf93237 51
9732a354 52 ClassDef(AliTPCExBFirst,2)
faf93237 53};