3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
9 // AOD Pid object for additional pid information
10 // Author: Annalisa Mastroserio, CERN
11 //-------------------------------------------------------------------------
18 class AliAODPid : public TObject {
23 AliAODPid(const AliAODPid& pid);
24 AliAODPid& operator=(const AliAODPid& pid);
29 void SetITSsignal(Double_t its) {fITSsignal=its;}
30 void SetITSdEdxSamples(const Double_t s[4]);
31 void SetTPCsignal(Double_t tpc) {fTPCsignal=tpc;}
32 void SetTPCsignalN(UShort_t tpcN) {fTPCsignalN=(UChar_t)((tpcN<160)?tpcN:160);}
33 void SetTPCmomentum(Double_t tpcMom) {fTPCmomentum=tpcMom;}
34 void SetTPCTgl(Double_t tpcTgl) {fTPCTgl=tpcTgl;}
35 void SetTPCdEdxInfo(AliTPCdEdxInfo * dEdxInfo);
36 void SetTRDslices(Int_t nslices, const Double_t * const trdslices);
37 void SetTRDsignal(Double_t sig) {fTRDsignal = sig;}
38 void SetTRDmomentum(Int_t nplane, Float_t trdMom) {fTRDmomentum[nplane]=trdMom;}
39 void SetTRDncls(UChar_t ncls, Int_t layer = -1);
40 void SetTRDntrackletsPID(UChar_t ntls) {fTRDntls = ntls;}
41 void SetTRDChi2(Double_t chi2) {fTRDChi2 = chi2;}
42 void SetTOFsignal(Double_t tof) {fTOFesdsignal=tof;}
43 void SetTOFpidResolution(Double_t tofPIDres[5]);
44 void SetIntegratedTimes(Double_t timeint[5]);
46 Double_t GetITSsignal() const {return fITSsignal;}
47 void GetITSdEdxSamples(Double_t *s) const;
48 Double_t GetITSdEdxSample(Int_t i) const {
49 if(i>=0 && i<4) return fITSdEdxSamples[i];
52 Double_t GetTPCsignal() const {return fTPCsignal;}
53 UShort_t GetTPCsignalN() const {return (UShort_t)fTPCsignalN;}
54 AliTPCdEdxInfo * GetTPCdEdxInfo()const{return fTPCdEdxInfo;}
56 Double_t GetTPCmomentum() const {return fTPCmomentum;}
57 Double_t GetTPCTgl() const {return fTPCTgl;}
58 Int_t GetTRDnSlices() const {return fTRDnSlices/6;}
59 Double_t GetTRDsignal() const {return fTRDsignal;}
60 Double_t* GetTRDslices() const {return fTRDslices;}
61 Double_t GetTRDChi2() const {return fTRDChi2;}
62 const Double_t* GetTRDmomentum() const {return fTRDmomentum;}
63 UChar_t GetTRDncls(UChar_t layer) const { if(layer > 5) return 0; return fTRDncls[layer];}
64 UChar_t GetTRDncls() const;
65 UChar_t GetTRDntrackletsPID() const {return fTRDntls;}
66 Double_t GetTOFsignal() const {return fTOFesdsignal;}
68 void GetIntegratedTimes(Double_t *timeint, Int_t nspec=AliPID::kSPECIES) const;
69 void GetTOFpidResolution (Double_t tofRes[5]) const;
72 Double32_t fITSsignal; //[0.,0.,10] detector raw signal
73 Double32_t fITSdEdxSamples[4];//[0.,0.,10] ITS dE/dx samples
75 Double32_t fTPCsignal; //[0.,0.,10] detector raw signal
76 UChar_t fTPCsignalN; // number of points used for TPC dE/dx
77 Double32_t fTPCmomentum; //[0.,0.,20] momentum at the inner wall of TPC;
78 Double32_t fTPCTgl; //[0.,0.,10] track momentum dip angle at the inner wall of TPC;
80 Int_t fTRDnSlices; // N slices used for PID in the TRD (as number of slices per tracklet * number of layers)
81 UChar_t fTRDntls; // number of tracklets used for PID calculation
82 UChar_t fTRDncls[6]; // number of clusters used for dE/dx calculation
83 Double32_t* fTRDslices; //[fTRDnSlices][0.,0.,10]
84 Double32_t fTRDsignal; //[0.,0.,10] TRD signal
85 Double32_t fTRDmomentum[6]; //[0.,0.,10] momentum at the TRD layers
86 Double32_t fTRDChi2; //[0.,0.,10] TRD chi2
88 Double32_t fTOFesdsignal; //[0.,0.,20] TOF signal - t0 (T0 interaction time)
89 Double32_t fTOFpidResolution[5]; //[0.,0.,20] TOF pid resolution for each mass hypotesys
90 Double32_t fIntTime[5]; //[0.,0.,20] track time hypothesis
92 AliTPCdEdxInfo * fTPCdEdxInfo; // object containing dE/dx information for different pad regions
94 ClassDef(AliAODPid, 15);
97 //_____________________________________________________________
98 inline void AliAODPid::SetTRDslices(Int_t nslices, const Double_t * const trdslices) {
100 // Set TRD dE/dx slices and the number of dE/dx slices per track
102 if(fTRDslices && fTRDnSlices != nslices) {
103 delete [] fTRDslices; fTRDslices = NULL;
105 if(!fTRDslices) fTRDslices = new Double32_t[nslices];
106 fTRDnSlices = nslices;
107 for(Int_t is = 0; is < fTRDnSlices; is++) fTRDslices[is] = trdslices[is];
110 //_____________________________________________________________
111 inline void AliAODPid::SetTRDncls(UChar_t ncls, Int_t layer) {
113 // Set the number of clusters / tracklet
114 // If no layer is specified the full number of clusters will be put in layer 0
116 if(layer > 5) return;
117 if(layer < 0) fTRDncls[0] = ncls;
118 else fTRDncls[layer] = ncls;
121 //_____________________________________________________________
122 inline UChar_t AliAODPid::GetTRDncls() const {
124 // Get number of clusters per track
125 // Calculated as sum of the number of clusters per tracklet
128 for(Int_t ily = 0; ily < 6; ily++) ncls += fTRDncls[ily];