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e62c1aea | 1 | #ifndef AliITSSTEERPID_H |
2 | #define AliITSSTEERPID_H | |
3 | //////////////////////////////////////////////////////////////////////// | |
4 | //Steering lass for PID in ITS // | |
5 | //The PID is based on the likelihood of all the four ITS' layers, // | |
6 | //without using the truncated mean for the dE/dx. The response // | |
7 | //functions for each layer are convoluted Landau-Gaussian functions. // | |
8 | //Origin: Elena Bruna bruna@to.infn.it, Massimo Masera masera@to.infn.it// | |
9 | //////////////////////////////////////////////////////////////////////// | |
10 | ||
1fad94b4 | 11 | /* $Id$ */ |
12 | ||
e62c1aea | 13 | #include <TObject.h> |
14 | #include <Riostream.h> | |
15 | #include <TF1.h> | |
16 | #include <TTree.h> | |
17 | #include <TFile.h> | |
18 | #include "AliITSPidParItem.h" | |
19 | ||
20 | ||
21 | class AliITSSteerPid : public TObject{ | |
22 | ||
23 | public: | |
24 | AliITSSteerPid(); | |
25 | virtual ~AliITSSteerPid(); | |
1fad94b4 | 26 | void InitLayer(TString fileITS="$ALICE_ROOT/ITS/farrfitits.root",TString fileFitPar="$ALICE_ROOT/ITS/ffitparams.root"); |
e62c1aea | 27 | |
28 | AliITSPidParItem* GetItemLayer(Int_t nolay,Float_t mom); | |
29 | void GetParFitLayer(Int_t nolay,Float_t mom,Double_t *parp,Double_t *park,Double_t *parpi); | |
30 | static void GetLangausProPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par); | |
31 | static void GetLangausKaoPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par); | |
32 | static void GetLangausPiPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par); | |
33 | ||
34 | ||
35 | private: | |
36 | ||
37 | AliITSPidParItem* Item(TClonesArray *Vect,Float_t mom); | |
38 | AliITSSteerPid(const AliITSSteerPid &ob); // copy constructor | |
94631b2f | 39 | AliITSSteerPid& operator=(const AliITSSteerPid & ob); // ass. op. |
e62c1aea | 40 | |
41 | ||
42 | TFile *fClonarr2; // file of TClones Array | |
43 | TClonesArray *fVect2; // TClonesArray fVect | |
44 | TClonesArray *fVect2lay1; // TClonesArray for layer 1 (SDD1) | |
45 | TClonesArray *fVect2lay2; // TClonesArray for layer 2 (SDD2) | |
46 | TClonesArray *fVect2lay3; // TClonesArray for layer 3 (SSD1) | |
47 | TClonesArray *fVect2lay4; // TClonesArray for layer 4 (SSD2) | |
48 | TTree* fFitTree; // tree | |
49 | AliITSPidParItem *fItem; //element of TClonesArray of interest | |
50 | Float_t fPCenter; //value for center | |
51 | Float_t fPWidth; //value for width | |
52 | Double_t fBuff[52]; //array for | |
53 | ||
54 | ||
55 | ClassDef(AliITSSteerPid,1); | |
56 | ||
57 | ||
58 | }; | |
59 | #endif |