+ Double_t GetSigmaX() const {return fSigmaX;}
+ Double_t GetSigmaY() const {return fSigmaY;}
+ Double_t GetSigmaZ() const {return fSigmaZ;}
+
+ static void SetFieldMap(const AliMagF* map, Bool_t uni);
+ static const AliMagF *GetFieldMap() {return fgkFieldMap;}
+ static Double_t GetBz(Float_t *r) {
+ Float_t b[3]; fgkFieldMap->Field(r,b);
+ Double_t bz=-Double_t(b[2]);
+ return (TMath::Sign(1e-13,bz) + bz);
+ }
+ static Double_t GetBz() {return fgBz;}
+ static Bool_t UniformField() {return fgUniformField;}