3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 ////////////////////////////////////////////////
7 // Digits classes for all ITS detectors //
8 ////////////////////////////////////////////////
12 #include <TObjArray.h>
14 //______________________________________________________________________
15 class AliITSdigit: public TObject {
18 AliITSdigit() {//default constructor. zero all values.
19 fSignal=fCoord1=fCoord2=0;}
20 //Standard Constructor. Fills class from array digits
21 AliITSdigit(const Int_t *digits);
23 virtual ~AliITSdigit() { }
24 //returns pointer to array of tracks
25 virtual Int_t *GetTracks() {return 0;}
26 //returns pointer to array of hits
27 virtual Int_t *GetHits() {return 0;}
28 // returns track number kept in the array element i of fTracks
29 virtual Int_t GetTrack(Int_t i) const {return 0;}
30 // returns hit number kept in the array element i of fHits
31 virtual Int_t GetHit(Int_t i) const {return 0;}
32 virtual Int_t GetCoord1() const {return fCoord1;} // returns fCoord1
33 virtual Int_t GetCoord2() const {return fCoord2;} // returns fCoord2
34 virtual Int_t GetSignal() const {return fSignal;} // returns fSignal
35 virtual void SetCoord1(Int_t i){fCoord1 = i;} // Sets fCoord1 value
36 virtual void SetCoord2(Int_t i){fCoord2 = i;} // Sets fCoord12value
37 virtual void SetSignal(Int_t i){fSignal = i;} // Sets fSignal value
38 void Print(ostream *os); // Class ascii print function
39 void Read(istream *os); // Class ascii read function
42 Int_t fCoord1; // Cell number on Z axis (SPD+SDD), flag for side type (SSD)
43 Int_t fCoord2; // Cell number on X axis (SPD+SDD), strip number (SSD)
44 Int_t fSignal; // Signal in ADC counts
46 ClassDef(AliITSdigit,1) // Real data digit object for set:ITS
49 // Input and output functions for standard C++ input/output.
50 ostream &operator<<(ostream &os,AliITSdigit &source);
51 istream &operator>>(istream &os,AliITSdigit &source);
52 //______________________________________________________________________
53 class AliITSdigitSPD: public AliITSdigit {
56 AliITSdigitSPD(); //default creator
57 AliITSdigitSPD(const Int_t *digits);//standard creator digits only
58 //standard creator with digits, tracks, and hits
59 AliITSdigitSPD(const Int_t *digits,const Int_t *tracks,const Int_t *hits);
60 virtual ~AliITSdigitSPD(){/*destructor*/}
61 // returns pointer to the array of tracks which make this digit
62 virtual Int_t *GetTracks() {return &fTracks[0];}
63 //returns the pointer to the array of hits which made this digit
64 virtual Int_t *GetHits() {return &fHits[0];}
65 // returns track number kept in the array element i of fTracks
66 virtual Int_t GetTrack(Int_t i) const {return fTracks[i];}
67 // returns hit number kept in the array element i of fHits
68 virtual Int_t GetHit(Int_t i) const {return fHits[i];}
69 //copy the array trks[3] into fTracks
70 virtual void SetTracks(const Int_t *trks){
71 for(Int_t i=0;i<3;i++) fTracks[i]=trks[i];}
72 //copy the array hits[3] into fHits
73 virtual void SetHits(const Int_t *hits){
74 for(Int_t i=0;i<3;i++) fHits[i]=hits[i];}
75 //set array element i of fTracks to trk.
76 virtual void SetTrack(Int_t i,Int_t trk){fTracks[i]=trk;}
77 //set array element i of fHits to hit.
78 virtual void SetHit(Int_t i,Int_t hit){fHits[i]=hit;}
79 void Print(ostream *os); // Class ascii print function
80 void Read(istream *os); // Class ascii read function
83 // debugging -- goes to the dictionary
84 Int_t fTracks[3]; // tracks making this digit
85 Int_t fHits[3]; // hits associated to the tracks
86 // 3 hits temporarily - it will be only 1
87 Int_t fSignalSPD; // Signal in electrons
89 ClassDef(AliITSdigitSPD,1) // Simulated digit object for SPD
92 // Input and output functions for standard C++ input/output.
93 ostream &operator<<(ostream &os,AliITSdigitSPD &source);
94 istream &operator>>(istream &os,AliITSdigitSPD &source);
95 //______________________________________________________________________
96 class AliITSdigitSDD: public AliITSdigit {
99 AliITSdigitSDD(); //default creator
100 //standard creator with digits and "phys"
101 AliITSdigitSDD(Float_t phys,const Int_t *digits);
102 //standard creator with digits, tracls, hits, "phys", and charge
103 AliITSdigitSDD( Float_t phys,const Int_t *digits,const Int_t *tracks,
104 const Int_t *hits,const Float_t *charges);
105 virtual ~AliITSdigitSDD(){/* destructor*/}
106 // returns pointer to the array of tracks which make this digit
107 virtual Int_t *GetTracks() {return &fTracks[0];}
108 // returns the pointer to the array of hits which made this digit
109 virtual Int_t *GetHits() {return &fHits[0];}
110 // returns track number kept in the array element i of fTracks
111 virtual Int_t GetTrack(Int_t i) const {return fTracks[i];}
112 // returns hit number kept in the array element i of fHits
113 virtual Int_t GetHit(Int_t i) const {return fHits[i];}
114 //copy the array trks[3] into fTracks
115 virtual void SetTracks(const Int_t *trks){
116 for(Int_t i=0;i<3;i++) fTracks[i]=trks[i];}
117 //copy the array hits[3] into fHits
118 virtual void SetHits(const Int_t *hits){
119 for(Int_t i=0;i<3;i++) fHits[i]=hits[i];}
120 //set array element i of fTracks to trk.
121 virtual void SetTrack(Int_t i,Int_t trk){fTracks[i]=trk;}
122 //set array element i of fHits to hit.
123 virtual void SetHit(Int_t i,Int_t hit){fHits[i]=hit;}
124 void Print(ostream *os); // Class ascii print function
125 void Read(istream *os); // Class ascii read function
128 // debugging -- goes to the dictionary
129 Int_t fTracks[3]; // tracks making this digit
130 Int_t fHits[3]; // hits associated to the tracks
131 // 3 hits temporarily - it will be only 1
132 Float_t fTcharges[3]; // charge per track making this digit
133 Float_t fPhysics; // signal particles contribution to signal
135 ClassDef(AliITSdigitSDD,1) // Simulated digit object for SDD
138 // Input and output functions for standard C++ input/output.
139 ostream &operator<<(ostream &os,AliITSdigitSDD &source);
140 istream &operator>>(istream &os,AliITSdigitSDD &source);
141 //______________________________________________________________________
142 class AliITSTransientDigit : public AliITSdigitSDD {
145 AliITSTransientDigit() {/*default constructor*/fTrackList=0;}
146 // Standard constructor with digits and "phys"
147 AliITSTransientDigit(Float_t phys,const Int_t *digits);
148 virtual ~AliITSTransientDigit(){/*destructor delets TObjArray fTracklist */
151 AliITSTransientDigit(const AliITSTransientDigit &source);
152 //assignment operator
153 AliITSTransientDigit& operator=(const AliITSTransientDigit &source);
154 // returns pointer to the TObjArray of tracks and associated charges
155 TObjArray *TrackList() const {return fTrackList;}
156 //returns element i of fTrackList
157 TObject *TrackItem(Int_t i) const {return fTrackList->At(i);}
158 //put TObject into fTrackList at location i
159 void PutTrackItem(TObject *obj,Int_t i){fTrackList->AddAt(obj,i);}
160 void Print(ostream *os); // Class ascii print function
161 void Read(istream *os); // Class ascii read function
164 TObjArray *fTrackList; // track list
166 ClassDef(AliITSTransientDigit,1) // Transient digit for set: ITS
169 // Input and output functions for standard C++ input/output.
170 ostream &operator<<(ostream &os,AliITSTransientDigit &source);
171 istream &operator>>(istream &os,AliITSTransientDigit &source);
172 //______________________________________________________________________
173 class AliITSdigitSSD: public AliITSdigit {
176 AliITSdigitSSD(); //default constructor
177 //Standard constructor with digits
178 AliITSdigitSSD(const Int_t *digits);
179 //Standard constructor with digits, tracks, and hits
180 AliITSdigitSSD(const Int_t *digits,const Int_t *tracks,const Int_t *hits);
181 virtual ~AliITSdigitSSD(){/* destructor */}
182 Int_t GetSignal() const {/* returns signal*/return fSignal;}
183 Int_t GetStripNumber() const {/* returns strip number*/return fCoord2;}
184 //returns 1 when side P and 0 when side N
185 Int_t IsSideP() const {return fCoord1;}
186 // returns pointer to the array of tracks which make this digit
187 virtual Int_t *GetTracks() {return &fTracks[0];}
188 // returns the pointer to the array of hits which made this digit
189 virtual Int_t *GetHits() {return &fHits[0];}
190 // returns track number kept in the array element i of fTracks
191 virtual Int_t GetTrack(Int_t i) const {return fTracks[i];}
192 // returns hit number kept in the array element i of fHits
193 virtual Int_t GetHit(Int_t i) const {return fHits[i];}
194 //copy the array trks[3] into fTracks
195 virtual void SetTracks(const Int_t *trks){
196 for(Int_t i=0;i<3;i++) fTracks[i]=trks[i];}
197 //copy the array hits[3] into fHits
198 virtual void SetHits(const Int_t *hits){
199 for(Int_t i=0;i<3;i++) fHits[i]=hits[i];}
200 //set array element i of fTracks to trk.
201 virtual void SetTrack(Int_t i,Int_t trk){fTracks[i]=trk;}
202 //set array element i of fHits to hit.
203 virtual void SetHit(Int_t i,Int_t hit){fHits[i]=hit;}
204 void Print(ostream *os); // Class ascii print function
205 void Read(istream *os); // Class ascii read function
208 // debugging -- goes to the dictionary
209 Int_t fTracks[3]; // tracks making this digit
210 Int_t fHits[3]; // hits associated to the tracks
211 // 3 hits temporarily - it will be only 1
213 ClassDef(AliITSdigitSSD,1) // Simulated digit object for SSD
216 // Input and output functions for standard C++ input/output.
217 ostream &operator<<(ostream &os,AliITSdigitSSD &source);
218 istream &operator>>(istream &os,AliITSdigitSSD &source);