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58005f18 | 1 | #ifndef ITSHIT_H |
2 | #define ITSHIT_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
58005f18 | 7 | |
8 | #include "AliDetector.h" | |
9 | #include "AliHit.h" | |
10 | #include "AliDigit.h" | |
11 | #include "AliITSgeom.h" | |
12 | ||
13 | ||
14 | class AliITShit : public AliHit { | |
15 | //////////////////////////////////////////////////////////////////////// | |
16 | // Version: 0 | |
17 | // Written by Rene Brun, Federico Carminati, and Roberto Barbera | |
18 | // | |
19 | // Version: 1 | |
20 | // Modified and documented by Bjorn S. Nilsen | |
21 | // July 11 1999 | |
22 | // | |
23 | // AliITShit is the hit class for the ITS. Hits are the information | |
24 | // that comes from a Monte Carlo at each step as a particle mass through | |
25 | // sensitive detector elements as particles are transported through a | |
26 | // detector. | |
27 | // | |
28 | // Data members: | |
29 | // | |
30 | // Int_t fTrack | |
31 | // See AliHit for a full description. The track number of the track | |
32 | // that made this hit. | |
33 | // | |
34 | // Float_t fX | |
35 | // See AliHit for a full description. The global x position of the | |
36 | // hit (in the standard units of the Monte Carlo). | |
37 | // | |
38 | // Float_t fY | |
39 | // See AliHit for a full description. The global y position of the | |
40 | // hit (in the standard units of the Monte Carlo). | |
41 | // | |
42 | // Float_t fZ | |
43 | // See AliHit for a full description. The global z position of the | |
44 | // hit (in the standard units of the Monte Carlo). | |
45 | // | |
46 | // Int_t fStatus | |
47 | // The track status flag. This flag indicates the track status | |
48 | // at the time of creating this hit. It is made up of the following 8 | |
49 | // status bits from highest order to lowest order bits | |
50 | // 0 : IsTrackAlive(): IsTrackStop():IsTrackDisappeared(): | |
51 | // IsTrackOut():IsTrackExiting():IsTrackEntering():IsTrackInside() . | |
52 | // See AliMC for a description of these functions. If the function is | |
53 | // true then the bit is set to one, otherwise it is zero. | |
54 | // | |
55 | // Int_t fLayer | |
56 | // The layer number of the detector that contains this hit. See | |
57 | // AliITSgeom and AliITSv? for a description of the geometry. | |
58 | // | |
59 | // Int_t fLadder | |
60 | // The ladder number of the detector that contains this hit. See | |
61 | // AliITSgeom and AliITSv? for a description of the geometry. | |
62 | // | |
63 | // Int_t fDet | |
64 | // The detector number of the detector that contains this hit. See | |
65 | // AliITSgeom and AliITSv? for a description of the geometry. | |
66 | // | |
67 | // Float_t fPx | |
68 | // The x momentum, in global coordinates, of the particle that | |
69 | // "created" the hit at the time and position of the hit. The units | |
70 | // are those determined by the Monte Carlo. | |
71 | // | |
72 | // Float_t fPy | |
73 | // The y momentum, in global coordinates, of the particle that | |
74 | // "created" the hit at the time and position of the hit. The units | |
75 | // are those determined by the Monte Carlo. | |
76 | // | |
77 | // Float_t fPz | |
78 | // The z momentum, in global coordinates, of the particle that | |
79 | // "created" the hit at the time and position of the hit. The units | |
80 | // are those determined by the Monte Carlo. | |
81 | // | |
82 | // Float_t fDestep | |
83 | // The energy lost by the particle during the step ending in this | |
84 | // hit. The units are those determined by the Monte Carlo. | |
85 | // | |
86 | // Float_t fTof | |
87 | // The time of flight associated with the particle ending in this | |
88 | // hit. The time is typically measured from the point of creation of the | |
89 | // original particle (if this particle is a daughter). The units | |
90 | // are those determined by the Monte Carlo. | |
91 | // | |
92 | // | |
93 | // Member functions: | |
94 | // | |
95 | // AliITShit() | |
96 | // The default creator of the AliITShit class. | |
97 | // | |
98 | // AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits) | |
99 | // The creator of the AliITShit class. The variables shunt and | |
100 | // track are passed to the creator of the AliHit class. See the AliHit | |
101 | // class for a full description. the integer array *vol contains, in order, | |
102 | // fLayer = vol[0], fDet = vol[1], fLadder = vol[2], fStatus = vol[3]. | |
103 | // The array *hits contains, in order, fX = hits[0], fY = hits[1], | |
104 | // fZ = hits[2], fPx = hits[3], fPy = hits[4], fPz = hits[5], | |
105 | // fDestep = hits[6], and fTof = hits[7]. | |
106 | // | |
107 | // ~AliITShit() | |
108 | // The default destructor of the AliITShit class. | |
109 | // | |
110 | // int GetTrack() | |
111 | // See AliHit for a full description. Returns the track number fTrack | |
112 | // for this hit. | |
113 | // | |
114 | // SetTrack(int track) | |
115 | // See AliHit for a full description. Sets the track number fTrack | |
116 | // for this hit. | |
117 | // | |
118 | // Int_t GetTrackStatus() | |
119 | // Returns the value of the track status flag fStatus. This flag | |
120 | // indicates the track status at the time of creating this hit. It is | |
121 | // made up of the following 8 status bits from highest order to lowest | |
122 | // order bits | |
123 | // 0 : IsTrackAlive(): IsTrackStop():IsTrackDisappeared(): | |
124 | // IsTrackOut():IsTrackExiting():IsTrackEntering():IsTrackInside() . | |
125 | // See AliMC for a description of these functions. If the function is | |
126 | // true then the bit is set to one, otherwise it is zero. | |
127 | // | |
128 | // Int_t GetLayer() | |
129 | // Returns the layer number, fLayer, for this hit. | |
130 | // | |
131 | // Int_t GetLadder() | |
132 | // Returns the ladder number, fLadder, for this hit. | |
133 | // | |
134 | // Int_t GetDetector() | |
135 | // Returns the detector number, fDet, for this hit. | |
136 | // | |
137 | // GetDetectorID(Int_t &layer, Int_t &ladder, Int_t &detector) | |
138 | // Returns the layer, ladder, and detector numbers, fLayer fLadder fDet, | |
139 | // in one call. | |
140 | // | |
141 | // Float_t GetIonization() | |
142 | // Returns the energy lost, fDestep, by the particle creating this hit, | |
143 | // in the units defined by the Monte Carlo. | |
144 | // | |
145 | // GetPoositionG(Float_t &x, Float_t &y, Float_t &z) | |
146 | // Returns the global position, fX fY fZ, of this hit, in the units | |
147 | // define by the Monte Carlo. | |
148 | // | |
149 | // Float_t GetTOF() | |
150 | // Returns the time of flight, fTof, of this hit, in the units defined | |
151 | // by the Monte Carlo. | |
152 | // | |
153 | // GetPositionG(Float_t &x, Float_t &y, Float_t &z, Float_t &tof) | |
154 | // Returns the global position and time of flight, fX fY fZ fTof, of | |
155 | // this hit, in the units define by the Monte Carlo. | |
156 | // | |
157 | // GetPositioonP(Float_t &px, Float_t &py, Float_t &pz) | |
158 | // Returns the global momentum, fPx fPy fPz, of the particle that made | |
159 | // this hit, in the units define by the Monte Carlo. | |
160 | //////////////////////////////////////////////////////////////////////// | |
161 | // public; // defined in AliHit | |
162 | // Int_t fTrack // defined in AliHit | |
163 | // Float_t fX; // defined in AliHit | |
164 | // Float_t fY; // defined in AliHit | |
165 | // Float_t fZ; // defined in AliHit | |
166 | ||
167 | public: | |
168 | //private: | |
169 | Int_t fStatus; // Track Status | |
170 | Int_t fLayer; // Layer number | |
171 | Int_t fLadder; // Ladder number | |
172 | Int_t fDet; // Detector number | |
173 | Float_t fPx; // PX of particle at the point of the hit | |
174 | Float_t fPy; // PY of particle at the point of the hit | |
175 | Float_t fPz; // PZ of particle at the point of the hit | |
176 | Float_t fDestep; // Energy deposited in the current step | |
177 | Float_t fTof; // Time of flight at the point of the hit | |
178 | ||
179 | public: | |
180 | AliITShit() {} | |
181 | AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits); | |
182 | virtual ~AliITShit() {} | |
183 | // Get Hit information functions. | |
184 | // inline virtual int GetTrack(){return fTrack;} // define in AliHit | |
185 | // inline virtual void SetTrack(int track){fTrack=track;) // AliHit | |
186 | inline virtual Int_t GetTrackStatus() {return fStatus;} | |
187 | inline virtual Int_t GetLayer() {return fLayer;} | |
188 | inline virtual Int_t GetLadder() {return fLadder;} | |
189 | inline virtual Int_t GetDetector() {return fDet;} | |
190 | inline virtual void GetDetectorID(Int_t &layer,Int_t &ladder, | |
191 | Int_t &detector) | |
192 | {layer=fLayer;ladder=fLadder;detector=fDet;return;}; | |
193 | inline virtual Float_t GetIonization() {return fDestep;} | |
194 | // | |
195 | inline virtual void GetPositionG(Float_t &x,Float_t &y,Float_t &z) | |
196 | {x=fX;y=fY;z=fZ;return;}; | |
197 | inline virtual Float_t GetTOF() {return fTof;} | |
198 | inline virtual void GetPositionG(Float_t &x,Float_t &y,Float_t &z, | |
199 | Float_t &tof) | |
200 | {x=fX;y=fY;z=fZ,tof=fTof;return;}; | |
201 | inline virtual Float_t GetXG(){return fX;} | |
202 | inline virtual Float_t GetYG(){return fY;} | |
203 | inline virtual Float_t GetZG(){return fZ;} | |
204 | virtual void GetPositionL(Float_t &x,Float_t &y,Float_t &z); | |
205 | virtual void GetPositionL(Float_t &x,Float_t &y,Float_t &z, | |
206 | Float_t &tof); | |
207 | virtual Float_t GetXL(); | |
208 | virtual Float_t GetYL(); | |
209 | virtual Float_t GetZL(); | |
210 | // Get Monti Carlo information about hit. | |
211 | inline virtual void GetMomentumG(Float_t &px,Float_t &py,Float_t &pz) | |
212 | {px=fPx;py=fPy;pz=fPz;return;}; | |
213 | virtual void GetMomentumL(Float_t &px,Float_t &py,Float_t &pz); | |
214 | ClassDef(AliITShit,1) //Hits object for set:ITS | |
215 | }; | |
216 | ||
217 | #endif |