StRoot: StDetectorDbMaker/StTpcHitErrors.h Source File

00001 #ifndef StTpcHitErrors_h
00002 #define StTpcHitErrors_h
00003 #include "TMDFParameters.h"
00004 
00005 class StTpcHitErrors : public TObject {
00006  public:
00007   static StTpcHitErrors* instance();
00008   //  virtual void  calculateError(Double_t _z,  Double_t _eta, Double_t _tanl, Double_t x,Double_t &ecross, Double_t &edip) const;
00009   StTpcHitErrors(Int_t nXZ = 2, Int_t Sec = 2, Int_t Row = 2, Int_t MS = 2, Int_t Prompt = 2) :
00010     fXZ(nXZ), fSec(Sec), fRow(Row), fMS(MS), fPrompt(Prompt), 
00011     fNxz(fXZ*fSec*fRow*fMS*fPrompt), fMDFXZ(fNxz) {
00012     fgInstance = this; fMDFXZ.SetOwner(kTRUE); 
00013   }
00014   virtual ~StTpcHitErrors() {fgInstance = 0;}
00015   Int_t Index(Int_t iXZ, Int_t sec, Int_t row, Int_t ms, Int_t prompt) {
00016     Int_t indx = prompt + fPrompt*(ms + fMS*(row + fRow*(sec + fSec*iXZ)));
00017     return indx;
00018   }
00019   TMDFParameters *Get(Int_t iXZ, Int_t sec, Int_t row, Int_t ms, Int_t prompt) {
00020     Int_t indx = Index(iXZ,sec,row,ms,prompt);
00021     TMDFParameters::SetCurrent((TMDFParameters *) fMDFXZ[indx]);
00022     return (TMDFParameters *) fMDFXZ[indx];
00023   }
00024   TMDFParameters *GetMu     (Int_t iXZ, Int_t sec, Int_t row, Int_t prompt) {return Get(iXZ,sec,row,0,prompt);}
00025   TMDFParameters *GetSigmaSQ(Int_t iXZ, Int_t sec, Int_t row, Int_t prompt) {return Get(iXZ,sec,row,1,prompt);}
00026   Double_t calcError(Int_t iXZ, Int_t sec, Int_t row, Double_t _z,  Double_t _eta, Double_t _tanl, Int_t Npads, Int_t Ntmbks, Double_t AdcL, Double_t xPad);
00027   void Set(Int_t iXZ, Int_t sec, Int_t row, Int_t ms, Int_t prompt, TMDFParameters *mdfX) {fMDFXZ.AddAtAndExpand(mdfX,Index(iXZ,sec,row,ms,prompt));}
00028  private:
00029   Int_t fXZ;     // in X or Z
00030   Int_t fSec;    // for West and East
00031   Int_t fRow;    // for Inner and Outer
00032   Int_t fMS;     // = 0 for mean, = 1 for log(sigma)
00033   Int_t fPrompt; // = 0 for drift, = 1 for prompt
00034   Int_t fNxz;
00035   TObjArray fMDFXZ; 
00036   static StTpcHitErrors* fgInstance;
00037   ClassDef(StTpcHitErrors,1) //
00038 };
00039 #endif