virtual void GetCorrection(const Float_t x[],const Short_t roc,Float_t dx[]);
+ static AliTPCSpaceCharge3D *MakeCorrection22D(const char * filename = "SpaceChargeMap.root", Double_t multiplicity = 950., Double_t intRate = 5e4, Double_t epsIROC = 10., Double_t epsOROC=10,
+ Double_t gasfactor = 1.,
+ Double_t radialScaling = 1.5);
private:
// maximum sizes of lookup tables