//class TVectorD;
class TObjArray;
-class THnSparse;
+class TH2S;
class TTreeSRedirector;
class AliTRDCalibraVdriftLinearFit : public TObject {
void Update(Int_t detector, Float_t tnp, Float_t pars1);
void FillPEArray();
void Add(AliTRDCalibraVdriftLinearFit *ped);
- THnSparse *GetLinearFitterHisto(Int_t detector, Bool_t force=kFALSE);
+ TH2S *GetLinearFitterHisto(Int_t detector, Bool_t force=kFALSE);
Bool_t GetParam(Int_t detector, TVectorD *param);
Bool_t GetError(Int_t detector, TVectorD *error);