// //
// Wrapper for the set of mag.field parameterizations by Chebyshev polinomials //
// To obtain the field in cartesian coordinates/components use //
-// Field(float* xyz, float* bxyz); //
+// Field(double* xyz, double* bxyz); //
// For cylindrical coordinates/components: //
-// FieldCyl(float* rphiz, float* brphiz) //
+// FieldCyl(double* rphiz, double* brphiz) //
// //
// The solenoid part is parameterized in the volume R<500, -550<Z<550 cm //
// //
// //
// To obtain the field integral in the TPC region from given point to nearest //
// cathod plane (+- 250 cm) use: //
-// GetTPCInt(float* xyz, float* bxyz); for Cartesian frame //
+// GetTPCInt(double* xyz, double* bxyz); for Cartesian frame //
// or //
-// GetTPCIntCyl(Float_t *rphiz, Float_t *b); for Cylindrical frame //
+// GetTPCIntCyl(Double_t *rphiz, Double_t *b); for Cylindrical frame //
// //
// //
// The units are kiloGauss and cm. //
virtual void Clear(const Option_t * = "");
//
Int_t GetNParamsSol() const {return fNParamsSol;}
- Int_t GetNSegZSol() const {return fNSegZSol;}
- Float_t* GetSegZSol() const {return fSegZSol;}
+ Int_t GetNSegZSol() const {return fNZSegSol;}
+ Float_t* GetSegZSol() const {return fSegZSol;}
//
- Int_t GetNParamsTPCInt() const {return fNParamsTPCInt;}
- Int_t GetNSegZTPCInt() const {return fNSegZTPCInt;}
+ Int_t GetNParamsTPCInt() const {return fNParamsTPC;}
+ Int_t GetNSegZTPCInt() const {return fNZSegTPC;}
//
Int_t GetNParamsDip() const {return fNParamsDip;}
Int_t GetNSegZDip() const {return fNZSegDip;}
//
+ Float_t GetMaxZ() const {return GetMaxZSol();}
+ Float_t GetMinZ() const {return fParamsDip ? GetMinZDip() : GetMinZSol();}
//
Float_t GetMinZSol() const {return fMinZSol;}
Float_t GetMaxZSol() const {return fMaxZSol;}
Float_t GetMinZDip() const {return fMinZDip;}
Float_t GetMaxZDip() const {return fMaxZDip;}
//
- Float_t GetMinZTPCInt() const {return fMinZTPCInt;}
- Float_t GetMaxZTPCInt() const {return fMaxZTPCInt;}
- Float_t GetMaxRTPCInt() const {return fMaxRTPCInt;}
+ Float_t GetMinZTPCInt() const {return fMinZTPC;}
+ Float_t GetMaxZTPCInt() const {return fMaxZTPC;}
+ Float_t GetMaxRTPCInt() const {return fMaxRTPC;}
//
AliCheb3D* GetParamSol(Int_t ipar) const {return (AliCheb3D*)fParamsSol->UncheckedAt(ipar);}
- AliCheb3D* GetParamTPCInt(Int_t ipar) const {return (AliCheb3D*)fParamsTPCInt->UncheckedAt(ipar);}
+ AliCheb3D* GetParamTPCInt(Int_t ipar) const {return (AliCheb3D*)fParamsTPC->UncheckedAt(ipar);}
AliCheb3D* GetParamDip(Int_t ipar) const {return (AliCheb3D*)fParamsDip->UncheckedAt(ipar);}
//
virtual void Print(Option_t * = "") const;
//
- virtual void Field(const Float_t *xyz, Float_t *b) const;
- virtual void Field(const Double_t *xyz, Double_t *b) const;
+ virtual void Field(const Double_t *xyz, Double_t *b) const;
+ Double_t GetBz(const Double_t *xyz) const;
//
- virtual void FieldCyl(const Float_t *rphiz, Float_t *b) const;
- virtual void FieldCyl(const Double_t *rphiz, Double_t *b) const;
+ void FieldCyl(const Double_t *rphiz, Double_t *b) const;
+ void GetTPCInt(const Double_t *xyz, Double_t *b) const;
+ void GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const;
//
- virtual void GetTPCInt(const Float_t *xyz, Float_t *b) const;
- virtual void GetTPCIntCyl(const Float_t *rphiz, Float_t *b) const;
- //
- template <class T>
- Int_t FindDipSegment(const T *xyz) const;
- //
- template <class T>
- static void CylToCartCylB(const T *rphiz, const T *brphiz,T *bxyz);
- template <class T>
- static void CylToCartCartB(const T *xyz, const T *brphiz,T *bxyz);
- template <class T>
- static void CartToCylCartB(const T *xyz, const T *bxyz, T *brphiz);
- template <class T>
- static void CartToCylCylB(const T *rphiz, const T *bxyz, T *brphiz);
- template <class T>
- static void CartToCyl(const T *xyz, T *rphiz);
- template <class T>
- static void CylToCart(const T *rphiz,T *xyz);
+ Int_t FindSolSegment(const Double_t *xyz) const;
+ Int_t FindTPCSegment(const Double_t *xyz) const;
+ Int_t FindDipSegment(const Double_t *xyz) const;
+ static void CylToCartCylB(const Double_t *rphiz, const Double_t *brphiz,Double_t *bxyz);
+ static void CylToCartCartB(const Double_t *xyz, const Double_t *brphiz,Double_t *bxyz);
+ static void CartToCylCartB(const Double_t *xyz, const Double_t *bxyz, Double_t *brphiz);
+ static void CartToCylCylB(const Double_t *rphiz, const Double_t *bxyz, Double_t *brphiz);
+ static void CartToCyl(const Double_t *xyz, Double_t *rphiz);
+ static void CylToCart(const Double_t *rphiz,Double_t *xyz);
//
#ifdef _INC_CREATION_ALICHEB3D_ // see AliCheb3D.h for explanation
void LoadData(const char* inpfile);
//
AliMagWrapCheb(const char* inputFile);
- void SaveData(const char* outfile) const;
- Int_t SegmentDipDimension(Float_t** seg,const TObjArray* par,int npar, int dim,
- Float_t xmn,Float_t xmx,Float_t ymn,Float_t ymx,Float_t zmn,Float_t zmx);
+ void SaveData(const char* outfile) const;
+ Int_t SegmentDimension(Float_t** seg,const TObjArray* par,int npar, int dim,
+ Float_t xmn,Float_t xmx,Float_t ymn,Float_t ymx,Float_t zmn,Float_t zmx);
//
void AddParamSol(const AliCheb3D* param);
void AddParamTPCInt(const AliCheb3D* param);
void AddParamDip(const AliCheb3D* param);
- void BuildTableDip();
+ void BuildTable(Int_t npar,TObjArray *parArr, Int_t &nZSeg, Int_t &nYSeg, Int_t &nXSeg,
+ Float_t &minZ,Float_t &maxZ,Float_t **segZ,Float_t **segY,Float_t **segX,
+ Int_t **begSegY,Int_t **nSegY,Int_t **begSegX,Int_t **nSegX,Int_t **segID);
void BuildTableSol();
+ void BuildTableDip();
void BuildTableTPCInt();
void ResetTPCInt();
//
#endif
//
protected:
- virtual void FieldCylSol(const Float_t *rphiz, Float_t *b) const;
- virtual void FieldCylSol(const Double_t *rphiz, Double_t *b) const;
+ void FieldCylSol(const Double_t *rphiz, Double_t *b) const;
+ Double_t FieldCylSolBz(const Double_t *rphiz) const;
//
protected:
//
- Int_t fNParamsSol; // Total number of parameterization pieces for Sol
- Int_t fNSegZSol; // Number of segments in Z for Solenoid field
- //
- Int_t fNParamsTPCInt; // Total number of parameterization pieces for TPC field integral
- Int_t fNSegZTPCInt; // Number of segments in Z for TPC field integral
+ Int_t fNParamsSol; // Total number of parameterization pieces for solenoid
+ Int_t fNZSegSol; // number of distinct Z segments in Solenoid
+ Int_t fNPSegSol; // number of distinct P segments in Solenoid
+ Int_t fNRSegSol; // number of distinct R segments in Solenoid
+ Float_t* fSegZSol; //[fNZSegSol] coordinates of distinct Z segments in Solenoid
+ Float_t* fSegPSol; //[fNPSegSol] coordinated of P segments for each Zsegment in Solenoid
+ Float_t* fSegRSol; //[fNRSegSol] coordinated of R segments for each Psegment in Solenoid
+ Int_t* fBegSegPSol; //[fNPSegSol] beginning of P segments array for each Z segment
+ Int_t* fNSegPSol; //[fNZSegSol] number of P segments for each Z segment
+ Int_t* fBegSegRSol; //[fNPSegSol] beginning of R segments array for each P segment
+ Int_t* fNSegRSol; //[fNPSegSol] number of R segments for each P segment
+ Int_t* fSegIDSol; //[fNRSegSol] ID of the solenoid parameterization for given RPZ segment
+ Float_t fMinZSol; // Min Z of Solenoid parameterization
+ Float_t fMaxZSol; // Max Z of Solenoid parameterization
+ TObjArray* fParamsSol; // Parameterization pieces for Solenoid field
+ Float_t fMaxRSol; // max raduis for Solenoid field
+ //
+ Int_t fNParamsTPC; // Total number of parameterization pieces for TPCint
+ Int_t fNZSegTPC; // number of distinct Z segments in TPCint
+ Int_t fNPSegTPC; // number of distinct P segments in TPCint
+ Int_t fNRSegTPC; // number of distinct R segments in TPCint
+ Float_t* fSegZTPC; //[fNZSegTPC] coordinates of distinct Z segments in TPCint
+ Float_t* fSegPTPC; //[fNPSegTPC] coordinated of P segments for each Zsegment in TPCint
+ Float_t* fSegRTPC; //[fNRSegTPC] coordinated of R segments for each Psegment in TPCint
+ Int_t* fBegSegPTPC; //[fNPSegTPC] beginning of P segments array for each Z segment
+ Int_t* fNSegPTPC; //[fNZSegTPC] number of P segments for each Z segment
+ Int_t* fBegSegRTPC; //[fNPSegTPC] beginning of R segments array for each P segment
+ Int_t* fNSegRTPC; //[fNPSegTPC] number of R segments for each P segment
+ Int_t* fSegIDTPC; //[fNRSegTPC] ID of the TPCint parameterization for given RPZ segment
+ Float_t fMinZTPC; // Min Z of TPCint parameterization
+ Float_t fMaxZTPC; // Max Z of TPCint parameterization
+ TObjArray* fParamsTPC; // Parameterization pieces for TPCint field
+ Float_t fMaxRTPC; // max raduis for Solenoid field integral in TPC
//
Int_t fNParamsDip; // Total number of parameterization pieces for dipole
Int_t fNZSegDip; // number of distinct Z segments in Dipole
Int_t fNYSegDip; // number of distinct Y segments in Dipole
Int_t fNXSegDip; // number of distinct X segments in Dipole
- //
- Float_t* fSegZSol; //[fNSegZSol] upper boundaries of Z segments
- Float_t* fSegRSol; //[fNParamsSol] upper boundaries of R segments
- //
- Float_t* fSegZTPCInt; //[fNSegZTPCInt] upper boundaries of Z segments
- Float_t* fSegRTPCInt; //[fNParamsTPCInt] upper boundaries of R segments
- //
Float_t* fSegZDip; //[fNZSegDip] coordinates of distinct Z segments in Dipole
Float_t* fSegYDip; //[fNYSegDip] coordinated of Y segments for each Zsegment in Dipole
Float_t* fSegXDip; //[fNXSegDip] coordinated of X segments for each Ysegment in Dipole
- //
- Int_t* fNSegRSol; //[fNSegZSol] number of R segments for each Z segment
- Int_t* fSegZIdSol; //[fNSegZSol] Id of the first R segment of each Z segment in the fSegRSol...
- //
- Int_t* fNSegRTPCInt; //[fNSegZTPCInt] number of R segments for each Z segment
- Int_t* fSegZIdTPCInt; //[fNSegZTPCInt] Id of the first R segment of each Z segment in the fSegRTPCInt...
- //
Int_t* fBegSegYDip; //[fNZSegDip] beginning of Y segments array for each Z segment
Int_t* fNSegYDip; //[fNZSegDip] number of Y segments for each Z segment
Int_t* fBegSegXDip; //[fNYSegDip] beginning of X segments array for each Y segment
Int_t* fNSegXDip; //[fNYSegDip] number of X segments for each Y segment
Int_t* fSegIDDip; //[fNXSegDip] ID of the dipole parameterization for given XYZ segment
- //
- Float_t fMinZSol; // Min Z of Sol parameterization (in CYL. coordinates)
- Float_t fMaxZSol; // Max Z of Sol parameterization (in CYL. coordinates)
- Float_t fMaxRSol; // Max R of Sol parameterization (in CYL. coordinates)
- //
Float_t fMinZDip; // Min Z of Dipole parameterization
Float_t fMaxZDip; // Max Z of Dipole parameterization
- //
- Float_t fMinZTPCInt; // Min Z of TPCInt parameterization (in CYL. coordinates)
- Float_t fMaxZTPCInt; // Max Z of TPCInt parameterization (in CYL. coordinates)
- Float_t fMaxRTPCInt; // Max R of TPCInt parameterization (in CYL. coordinates)
- //
- TObjArray* fParamsSol; // Parameterization pieces for Solenoid field
TObjArray* fParamsDip; // Parameterization pieces for Dipole field
- TObjArray* fParamsTPCInt; // Parameterization pieces for Solenoid field integrals in TPC region
//
- ClassDef(AliMagWrapCheb,3) // Wrapper class for the set of Chebishev parameterizations of Alice mag.field
+ ClassDef(AliMagWrapCheb,5) // Wrapper class for the set of Chebishev parameterizations of Alice mag.field
//
};
-//__________________________________________________________________________________________
-inline void AliMagWrapCheb::FieldCyl(const Float_t *rphiz, Float_t *b) const
-{
- // compute field in Cylindircal coordinates
- // if (rphiz[2]<GetMinZSol() || rphiz[2]>GetMaxZSol() || rphiz[0]>GetMaxRSol()) {for (int i=3;i--;) b[i]=0; return;}
- FieldCylSol(rphiz,b);
-}
-
-
//__________________________________________________________________________________________
inline void AliMagWrapCheb::FieldCyl(const Double_t *rphiz, Double_t *b) const
{
// compute field in Cylindircal coordinates
// if (rphiz[2]<GetMinZSol() || rphiz[2]>GetMaxZSol() || rphiz[0]>GetMaxRSol()) {for (int i=3;i--;) b[i]=0; return;}
+ b[0] = b[1] = b[2] = 0;
FieldCylSol(rphiz,b);
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CylToCartCylB(const T *rphiz, const T *brphiz,T *bxyz)
+inline void AliMagWrapCheb::CylToCartCylB(const Double_t *rphiz, const Double_t *brphiz,Double_t *bxyz)
{
// convert field in cylindrical coordinates to cartesian system, point is in cyl.system
- T btr = TMath::Sqrt(brphiz[0]*brphiz[0]+brphiz[1]*brphiz[1]);
- T psiPLUSphi = TMath::ATan2(brphiz[1],brphiz[0]) + rphiz[1];
+ Double_t btr = TMath::Sqrt(brphiz[0]*brphiz[0]+brphiz[1]*brphiz[1]);
+ Double_t psiPLUSphi = TMath::ATan2(brphiz[1],brphiz[0]) + rphiz[1];
bxyz[0] = btr*TMath::Cos(psiPLUSphi);
bxyz[1] = btr*TMath::Sin(psiPLUSphi);
bxyz[2] = brphiz[2];
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CylToCartCartB(const T *xyz, const T *brphiz, T *bxyz)
+inline void AliMagWrapCheb::CylToCartCartB(const Double_t* xyz, const Double_t *brphiz, Double_t *bxyz)
{
// convert field in cylindrical coordinates to cartesian system, point is in cart.system
- T btr = TMath::Sqrt(brphiz[0]*brphiz[0]+brphiz[1]*brphiz[1]);
- T phiPLUSpsi = TMath::ATan2(xyz[1],xyz[0]) + TMath::ATan2(brphiz[1],brphiz[0]);
+ Double_t btr = TMath::Sqrt(brphiz[0]*brphiz[0]+brphiz[1]*brphiz[1]);
+ Double_t phiPLUSpsi = TMath::ATan2(xyz[1],xyz[0]) + TMath::ATan2(brphiz[1],brphiz[0]);
bxyz[0] = btr*TMath::Cos(phiPLUSpsi);
bxyz[1] = btr*TMath::Sin(phiPLUSpsi);
bxyz[2] = brphiz[2];
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CartToCylCartB(const T *xyz, const T *bxyz, T *brphiz)
+inline void AliMagWrapCheb::CartToCylCartB(const Double_t *xyz, const Double_t *bxyz, Double_t *brphiz)
{
// convert field in cylindrical coordinates to cartesian system, poin is in cart.system
- T btr = TMath::Sqrt(bxyz[0]*bxyz[0]+bxyz[1]*bxyz[1]);
- T psiMINphi = TMath::ATan2(bxyz[1],bxyz[0]) - TMath::ATan2(xyz[1],xyz[0]);
+ Double_t btr = TMath::Sqrt(bxyz[0]*bxyz[0]+bxyz[1]*bxyz[1]);
+ Double_t psiMINphi = TMath::ATan2(bxyz[1],bxyz[0]) - TMath::ATan2(xyz[1],xyz[0]);
//
brphiz[0] = btr*TMath::Cos(psiMINphi);
brphiz[1] = btr*TMath::Sin(psiMINphi);
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CartToCylCylB(const T *rphiz, const T *bxyz, T *brphiz)
+inline void AliMagWrapCheb::CartToCylCylB(const Double_t *rphiz, const Double_t *bxyz, Double_t *brphiz)
{
// convert field in cylindrical coordinates to cartesian system, point is in cyl.system
- T btr = TMath::Sqrt(bxyz[0]*bxyz[0]+bxyz[1]*bxyz[1]);
- T psiMINphi = TMath::ATan2(bxyz[1],bxyz[0]) - rphiz[1];
+ Double_t btr = TMath::Sqrt(bxyz[0]*bxyz[0]+bxyz[1]*bxyz[1]);
+ Double_t psiMINphi = TMath::ATan2(bxyz[1],bxyz[0]) - rphiz[1];
brphiz[0] = btr*TMath::Cos(psiMINphi);
brphiz[1] = btr*TMath::Sin(psiMINphi);
brphiz[2] = bxyz[2];
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CartToCyl(const T *xyz,T *rphiz)
+inline void AliMagWrapCheb::CartToCyl(const Double_t *xyz, Double_t *rphiz)
{
rphiz[0] = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
rphiz[1] = TMath::ATan2(xyz[1],xyz[0]);
}
//__________________________________________________________________________________________________
-template <class T>
-inline void AliMagWrapCheb::CylToCart(const T *rphiz, T *xyz)
+inline void AliMagWrapCheb::CylToCart(const Double_t *rphiz, Double_t *xyz)
{
xyz[0] = rphiz[0]*TMath::Cos(rphiz[1]);
xyz[1] = rphiz[0]*TMath::Sin(rphiz[1]);
xyz[2] = rphiz[2];
}
-//__________________________________________________________________________________________________
-template <class T>
-Int_t AliMagWrapCheb::FindDipSegment(const T *xyz) const
-{
- // find the segment containing point xyz. If it is outside find the closest segment
- int xid,yid,zid = TMath::BinarySearch(fNZSegDip,fSegZDip,(Float_t)xyz[2]); // find zsegment
- int ysegBeg = fBegSegYDip[zid];
- //
- for (yid=0;yid<fNSegYDip[zid];yid++) if (xyz[1]<fSegYDip[ysegBeg+yid]) break;
- if ( --yid < 0 ) yid = 0;
- yid += ysegBeg;
- //
- int xsegBeg = fBegSegXDip[yid];
- for (xid=0;xid<fNSegXDip[yid];xid++) if (xyz[0]<fSegXDip[xsegBeg+xid]) break;
- if ( --xid < 0) xid = 0;
- xid += xsegBeg;
- //
- return fSegIDDip[xid];
-}
-
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff