4 ////////////////////////////////////////////////
5 // Digits classes for set:ITS //
6 ////////////////////////////////////////////////
11 //___________________________________________
12 class AliITSdigit: public TObject {
16 Int_t fCoord1; // Cell number on Z axis (SPD+SDD) , flag for side type (SSD)
17 Int_t fCoord2 ; // Cell number on X axis (SPD+SDD) , strip number (SSD)
18 Int_t fSignal; // Signal
23 fSignal=fCoord1=fCoord2=0;
25 AliITSdigit(Int_t *digits);
26 virtual ~AliITSdigit() {
30 ClassDef(AliITSdigit,1) // Real data digit object for set:ITS
33 //___________________________________________
34 class AliITSdigitSPD: public AliITSdigit {
38 // debugging -- goes to the dictionary
39 Int_t fTracks[3]; // tracks making this digit
44 fSignal=fCoord1=fCoord2=0;
45 fTracks[0]=fTracks[1]=fTracks[2]=0;
48 AliITSdigitSPD(Int_t *digits);
49 AliITSdigitSPD(Int_t *digits, Int_t *tracks);
51 virtual ~AliITSdigitSPD(){
54 virtual int *GetTracks() {
55 // returns pointer to the array of tracks which make this digit
59 ClassDef(AliITSdigitSPD,1) // Simulated digit object for SPD
62 //___________________________________________
63 class AliITSdigitSDD: public AliITSdigit {
67 // debugging -- goes to the dictionary
68 Int_t fTracks[3]; // tracks making this digit
69 Float_t fTcharges[3]; // charge per track making this digit
70 Float_t fPhysics; // signal particles contribution to signal
75 fSignal=fCoord1=fCoord2=0;
76 fTracks[0]=fTracks[1]=fTracks[2]=0;
77 fPhysics=0; fTcharges[0]=fTcharges[1]=fTcharges[2]=0;
80 AliITSdigitSDD(Float_t phys,Int_t *digits);
81 AliITSdigitSDD( Float_t phys, Int_t *digits, Int_t *tracks, Float_t *charges);
83 virtual ~AliITSdigitSDD(){
86 virtual int *GetTracks() {
87 // returns pointer to the array of tracks which make this digit
91 ClassDef(AliITSdigitSDD,1) // Simulated digit object for SDD
94 //_____________________________________________________________________________
96 class AliITSTransientDigit : public AliITSdigitSDD {
98 TObjArray *fTrackList; // track list
100 AliITSTransientDigit() {
104 AliITSTransientDigit(Float_t phys,Int_t *digits);
105 virtual ~AliITSTransientDigit() {
109 AliITSTransientDigit(const AliITSTransientDigit &source); // copy constructor
110 AliITSTransientDigit& operator=(const AliITSTransientDigit &source); // ass. operator
111 TObjArray *TrackList() {
112 // returns pointer to the TObjArray of tracks and associated charges
116 ClassDef(AliITSTransientDigit,1) // Transient digit for set: ITS
119 //___________________________________________
120 class AliITSdigitSSD: public AliITSdigit {
124 // debugging -- goes to the dictionary
125 Int_t fTracks[3]; // tracks making this digit
130 fSignal=fCoord1=fCoord2=0;
131 fTracks[0]=fTracks[1]=fTracks[2]=0;
134 AliITSdigitSSD(Int_t *digits);
135 AliITSdigitSSD(Int_t *digits, Int_t *tracks);
137 virtual ~AliITSdigitSSD(){
141 Int_t GetSignal() const {
146 Int_t GetStripNumber() const {
147 // returns strip number
151 Int_t IsSideP() const {
152 //returns 1 when side P and 0 when side N
156 virtual int *GetTracks() {
157 // returns pointer to the array of tracks which make this digit
161 ClassDef(AliITSdigitSSD,1) // Simulated digit object for SSD