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 in ADC counts
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
40 Int_t fHits[3]; // hits associated to the tracks
41 // 3 hits temporarily - it will be only 1
46 fSignal=fCoord1=fCoord2=0;
47 fTracks[0]=fTracks[1]=fTracks[2]=-3;
48 fHits[0]=fHits[1]=fHits[2]=-1;
51 AliITSdigitSPD(Int_t *digits);
52 AliITSdigitSPD(Int_t *digits, Int_t *tracks, Int_t *hits);
54 virtual ~AliITSdigitSPD(){
57 virtual int *GetTracks() {
58 // returns pointer to the array of tracks which make this digit
62 ClassDef(AliITSdigitSPD,1) // Simulated digit object for SPD
65 //___________________________________________
66 class AliITSdigitSDD: public AliITSdigit {
70 // debugging -- goes to the dictionary
71 Int_t fTracks[3]; // tracks making this digit
72 Int_t fHits[3]; // hits associated to the tracks
73 // 3 hits temporarily - it will be only 1
74 Float_t fTcharges[3]; // charge per track making this digit
75 Float_t fPhysics; // signal particles contribution to signal
80 fSignal=fCoord1=fCoord2=0;
81 fTracks[0]=fTracks[1]=fTracks[2]=-3;
82 fHits[0]=fHits[1]=fHits[2]=-1;
83 fPhysics=0; fTcharges[0]=fTcharges[1]=fTcharges[2]=0;
86 AliITSdigitSDD(Float_t phys,Int_t *digits);
87 AliITSdigitSDD( Float_t phys, Int_t *digits, Int_t *tracks, Int_t *hits, Float_t *charges);
89 virtual ~AliITSdigitSDD(){
92 virtual int *GetTracks() {
93 // returns pointer to the array of tracks which make this digit
97 ClassDef(AliITSdigitSDD,1) // Simulated digit object for SDD
100 //_____________________________________________________________________________
102 class AliITSTransientDigit : public AliITSdigitSDD {
104 TObjArray *fTrackList; // track list
106 AliITSTransientDigit() {
110 AliITSTransientDigit(Float_t phys,Int_t *digits);
111 virtual ~AliITSTransientDigit() {
115 AliITSTransientDigit(const AliITSTransientDigit &source); // copy constructor
116 AliITSTransientDigit& operator=(const AliITSTransientDigit &source); // ass. operator
117 TObjArray *TrackList() {
118 // returns pointer to the TObjArray of tracks and associated charges
122 ClassDef(AliITSTransientDigit,1) // Transient digit for set: ITS
125 //___________________________________________
126 class AliITSdigitSSD: public AliITSdigit {
130 // debugging -- goes to the dictionary
131 Int_t fTracks[3]; // tracks making this digit
132 Int_t fHits[3]; // hits associated to the tracks
133 // 3 hits temporarily - it will be only 1
138 fSignal=fCoord1=fCoord2=0;
139 fTracks[0]=fTracks[1]=fTracks[2]=-3;
140 fHits[0]=fHits[1]=fHits[2]=-1;
143 AliITSdigitSSD(Int_t *digits);
144 AliITSdigitSSD(Int_t *digits, Int_t *tracks, Int_t *hits);
146 virtual ~AliITSdigitSSD(){
150 Int_t GetSignal() const {
155 Int_t GetStripNumber() const {
156 // returns strip number
160 Int_t IsSideP() const {
161 //returns 1 when side P and 0 when side N
165 virtual int *GetTracks() {
166 // returns pointer to the array of tracks which make this digit
170 ClassDef(AliITSdigitSSD,1) // Simulated digit object for SSD