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() const {return 0;}
26 //returns pointer to array of hits
27 virtual Int_t *GetHits() const {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 *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
88 ClassDef(AliITSdigitSPD,1) // Simulated digit object for SPD
91 // Input and output functions for standard C++ input/output.
92 ostream &operator<<(ostream &os,AliITSdigitSPD &source);
93 istream &operator>>(istream &os,AliITSdigitSPD &source);
94 //______________________________________________________________________
95 class AliITSdigitSDD: public AliITSdigit {
98 AliITSdigitSDD(); //default creator
99 //standard creator with digits and "phys"
100 AliITSdigitSDD(Float_t phys,const Int_t *digits);
101 //standard creator with digits, tracls, hits, "phys", and charge
102 AliITSdigitSDD( Float_t phys,const Int_t *digits,const Int_t *tracks,
103 const Int_t *hits,const Float_t *charges);
104 virtual ~AliITSdigitSDD(){/* destructor*/}
105 // returns pointer to the array of tracks which make this digit
106 virtual int *GetTracks() {return &fTracks[0];}
107 // returns the pointer to the array of hits which made this digit
108 virtual Int_t *GetHits() {return &fHits[0];}
109 // returns track number kept in the array element i of fTracks
110 virtual Int_t GetTrack(Int_t i) const {return fTracks[i];}
111 // returns hit number kept in the array element i of fHits
112 virtual Int_t GetHit(Int_t i) const {return fHits[i];}
113 //copy the array trks[3] into fTracks
114 virtual void SetTracks(const Int_t *trks){
115 for(Int_t i=0;i<3;i++) fTracks[i]=trks[i];}
116 //copy the array hits[3] into fHits
117 virtual void SetHits(const Int_t *hits){
118 for(Int_t i=0;i<3;i++) fHits[i]=hits[i];}
119 //set array element i of fTracks to trk.
120 virtual void SetTrack(Int_t i,Int_t trk){fTracks[i]=trk;}
121 //set array element i of fHits to hit.
122 virtual void SetHit(Int_t i,Int_t hit){fHits[i]=hit;}
123 void Print(ostream *os); // Class ascii print function
124 void Read(istream *os); // Class ascii read function
127 // debugging -- goes to the dictionary
128 Int_t fTracks[3]; // tracks making this digit
129 Int_t fHits[3]; // hits associated to the tracks
130 // 3 hits temporarily - it will be only 1
131 Float_t fTcharges[3]; // charge per track making this digit
132 Float_t fPhysics; // signal particles contribution to signal
134 ClassDef(AliITSdigitSDD,1) // Simulated digit object for SDD
137 // Input and output functions for standard C++ input/output.
138 ostream &operator<<(ostream &os,AliITSdigitSDD &source);
139 istream &operator>>(istream &os,AliITSdigitSDD &source);
140 //______________________________________________________________________
141 class AliITSTransientDigit : public AliITSdigitSDD {
144 AliITSTransientDigit() {/*default constructor*/fTrackList=0;}
145 // Standard constructor with digits and "phys"
146 AliITSTransientDigit(Float_t phys,const Int_t *digits);
147 virtual ~AliITSTransientDigit(){/*destructor delets TObjArray fTracklist */
150 AliITSTransientDigit(const AliITSTransientDigit &source);
151 //assignment operator
152 AliITSTransientDigit& operator=(const AliITSTransientDigit &source);
153 // returns pointer to the TObjArray of tracks and associated charges
154 TObjArray *TrackList() const {return fTrackList;}
155 //returns element i of fTrackList
156 TObject *TrackItem(Int_t i) const {return fTrackList->At(i);}
157 //put TObject into fTrackList at location i
158 void PutTrackItem(TObject *obj,Int_t i){fTrackList->AddAt(obj,i);}
159 void Print(ostream *os); // Class ascii print function
160 void Read(istream *os); // Class ascii read function
163 TObjArray *fTrackList; // track list
165 ClassDef(AliITSTransientDigit,1) // Transient digit for set: ITS
168 // Input and output functions for standard C++ input/output.
169 ostream &operator<<(ostream &os,AliITSTransientDigit &source);
170 istream &operator>>(istream &os,AliITSTransientDigit &source);
171 //______________________________________________________________________
172 class AliITSdigitSSD: public AliITSdigit {
175 AliITSdigitSSD(); //default constructor
176 //Standard constructor with digits
177 AliITSdigitSSD(const Int_t *digits);
178 //Standard constructor with digits, tracks, and hits
179 AliITSdigitSSD(const Int_t *digits,const Int_t *tracks,const Int_t *hits);
180 virtual ~AliITSdigitSSD(){/* destructor */}
181 Int_t GetSignal() const {/* returns signal*/return fSignal;}
182 Int_t GetStripNumber() const {/* returns strip number*/return fCoord2;}
183 //returns 1 when side P and 0 when side N
184 Int_t IsSideP() const {return fCoord1;}
185 // returns pointer to the array of tracks which make this digit
186 virtual int *GetTracks() {return &fTracks[0];}
187 // returns the pointer to the array of hits which made this digit
188 virtual Int_t *GetHits() {return &fHits[0];}
189 // returns track number kept in the array element i of fTracks
190 virtual Int_t GetTrack(Int_t i) const {return fTracks[i];}
191 // returns hit number kept in the array element i of fHits
192 virtual Int_t GetHit(Int_t i) const {return fHits[i];}
193 //copy the array trks[3] into fTracks
194 virtual void SetTracks(const Int_t *trks){
195 for(Int_t i=0;i<3;i++) fTracks[i]=trks[i];}
196 //copy the array hits[3] into fHits
197 virtual void SetHits(const Int_t *hits){
198 for(Int_t i=0;i<3;i++) fHits[i]=hits[i];}
199 //set array element i of fTracks to trk.
200 virtual void SetTrack(Int_t i,Int_t trk){fTracks[i]=trk;}
201 //set array element i of fHits to hit.
202 virtual void SetHit(Int_t i,Int_t hit){fHits[i]=hit;}
203 void Print(ostream *os); // Class ascii print function
204 void Read(istream *os); // Class ascii read function
207 // debugging -- goes to the dictionary
208 Int_t fTracks[3]; // tracks making this digit
209 Int_t fHits[3]; // hits associated to the tracks
210 // 3 hits temporarily - it will be only 1
212 ClassDef(AliITSdigitSSD,1) // Simulated digit object for SSD
215 // Input and output functions for standard C++ input/output.
216 ostream &operator<<(ostream &os,AliITSdigitSSD &source);
217 istream &operator>>(istream &os,AliITSdigitSSD &source);