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1 | #ifndef ALIITSHIT_H |
| 2 | #define ALIITSHIT_H |
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3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 4 | * See cxx source for full Copyright notice */ |
| 5 | |
| 6 | /* $Id$ */ |
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7 | |
| 8 | #include "AliDetector.h" |
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9 | #include "TParticle.h" |
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10 | #include "AliHit.h" |
| 11 | #include "AliDigit.h" |
| 12 | #include "AliITSgeom.h" |
| 13 | |
| 14 | |
| 15 | class AliITShit : public AliHit { |
| 16 | //////////////////////////////////////////////////////////////////////// |
| 17 | // Version: 0 |
| 18 | // Written by Rene Brun, Federico Carminati, and Roberto Barbera |
| 19 | // |
| 20 | // Version: 1 |
| 21 | // Modified and documented by Bjorn S. Nilsen |
| 22 | // July 11 1999 |
| 23 | // |
| 24 | // AliITShit is the hit class for the ITS. Hits are the information |
| 25 | // that comes from a Monte Carlo at each step as a particle mass through |
| 26 | // sensitive detector elements as particles are transported through a |
| 27 | // detector. |
| 28 | // |
| 29 | // Data members: |
| 30 | // |
| 31 | // Int_t fTrack |
| 32 | // See AliHit for a full description. The track number of the track |
| 33 | // that made this hit. |
| 34 | // |
| 35 | // Float_t fX |
| 36 | // See AliHit for a full description. The global x position of the |
| 37 | // hit (in the standard units of the Monte Carlo). |
| 38 | // |
| 39 | // Float_t fY |
| 40 | // See AliHit for a full description. The global y position of the |
| 41 | // hit (in the standard units of the Monte Carlo). |
| 42 | // |
| 43 | // Float_t fZ |
| 44 | // See AliHit for a full description. The global z position of the |
| 45 | // hit (in the standard units of the Monte Carlo). |
| 46 | // |
| 47 | // Int_t fStatus |
| 48 | // The track status flag. This flag indicates the track status |
| 49 | // at the time of creating this hit. It is made up of the following 8 |
| 50 | // status bits from highest order to lowest order bits |
| 51 | // 0 : IsTrackAlive(): IsTrackStop():IsTrackDisappeared(): |
| 52 | // IsTrackOut():IsTrackExiting():IsTrackEntering():IsTrackInside() . |
| 53 | // See AliMC for a description of these functions. If the function is |
| 54 | // true then the bit is set to one, otherwise it is zero. |
| 55 | // |
| 56 | // Int_t fLayer |
| 57 | // The layer number of the detector that contains this hit. See |
| 58 | // AliITSgeom and AliITSv? for a description of the geometry. |
| 59 | // |
| 60 | // Int_t fLadder |
| 61 | // The ladder number of the detector that contains this hit. See |
| 62 | // AliITSgeom and AliITSv? for a description of the geometry. |
| 63 | // |
| 64 | // Int_t fDet |
| 65 | // The detector number of the detector that contains this hit. See |
| 66 | // AliITSgeom and AliITSv? for a description of the geometry. |
| 67 | // |
| 68 | // Float_t fPx |
| 69 | // The x momentum, in global coordinates, of the particle that |
| 70 | // "created" the hit at the time and position of the hit. The units |
| 71 | // are those determined by the Monte Carlo. |
| 72 | // |
| 73 | // Float_t fPy |
| 74 | // The y momentum, in global coordinates, of the particle that |
| 75 | // "created" the hit at the time and position of the hit. The units |
| 76 | // are those determined by the Monte Carlo. |
| 77 | // |
| 78 | // Float_t fPz |
| 79 | // The z momentum, in global coordinates, of the particle that |
| 80 | // "created" the hit at the time and position of the hit. The units |
| 81 | // are those determined by the Monte Carlo. |
| 82 | // |
| 83 | // Float_t fDestep |
| 84 | // The energy lost by the particle during the step ending in this |
| 85 | // hit. The units are those determined by the Monte Carlo. |
| 86 | // |
| 87 | // Float_t fTof |
| 88 | // The time of flight associated with the particle ending in this |
| 89 | // hit. The time is typically measured from the point of creation of the |
| 90 | // original particle (if this particle is a daughter). The units |
| 91 | // are those determined by the Monte Carlo. |
| 92 | // |
| 93 | // |
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94 | //////////////////////////////////////////////////////////////////////// |
| 95 | // public; // defined in AliHit |
| 96 | // Int_t fTrack // defined in AliHit |
| 97 | // Float_t fX; // defined in AliHit |
| 98 | // Float_t fY; // defined in AliHit |
| 99 | // Float_t fZ; // defined in AliHit |
| 100 | |
| 101 | public: |
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102 | //protected: |
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103 | Int_t fStatus; // Track Status |
| 104 | Int_t fLayer; // Layer number |
| 105 | Int_t fLadder; // Ladder number |
| 106 | Int_t fDet; // Detector number |
| 107 | Float_t fPx; // PX of particle at the point of the hit |
| 108 | Float_t fPy; // PY of particle at the point of the hit |
| 109 | Float_t fPz; // PZ of particle at the point of the hit |
| 110 | Float_t fDestep; // Energy deposited in the current step |
| 111 | Float_t fTof; // Time of flight at the point of the hit |
| 112 | |
| 113 | public: |
| 114 | AliITShit() {} |
| 115 | AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits); |
| 116 | virtual ~AliITShit() {} |
| 117 | // Get Hit information functions. |
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118 | // virtual int GetTrack() const {return fTrack;} // define in AliHit |
| 119 | // virtual void SetTrack(int track) const {fTrack=track;) // AliHit |
| 120 | virtual Int_t GetTrackStatus() const {return fStatus;} |
| 121 | virtual Int_t GetLayer() const {return fLayer;} |
| 122 | virtual Int_t GetLadder() const {return fLadder;} |
| 123 | virtual Int_t GetDetector() const {return fDet;} |
| 124 | virtual void GetDetectorID(Int_t &layer,Int_t &ladder, |
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125 | Int_t &detector) |
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126 | const {layer=fLayer;ladder=fLadder;detector=fDet;return;}; |
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127 | virtual Int_t GetModule(); |
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128 | virtual Float_t GetIonization() const {return fDestep;} |
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129 | // |
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130 | virtual void GetPositionG(Float_t &x,Float_t &y,Float_t &z) |
| 131 | const {x=fX;y=fY;z=fZ;return;}; |
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132 | virtual void GetPositionG(Double_t &x,Double_t &y,Double_t &z) |
| 133 | const {x=fX;y=fY;z=fZ;return;}; |
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134 | virtual Float_t GetTOF() const {return fTof;} |
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135 | // Returns particle 3 position at this hit in global coordinates. |
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136 | virtual void GetPositionG(Float_t &x,Float_t &y,Float_t &z, |
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137 | Float_t &tof) |
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138 | const {x=fX;y=fY;z=fZ,tof=fTof;return;}; |
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139 | virtual void GetPositionG(Double_t &x,Double_t &y,Double_t &z, |
| 140 | Double_t &tof) |
| 141 | const {x=fX;y=fY;z=fZ,tof=fTof;return;}; |
| 142 | // Returns particle 3 position and the time of flight at this hit |
| 143 | // in global coordinates. |
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144 | virtual Float_t GetXG()const {return fX;} |
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145 | // Returns particle X position at this hit in global coordinates. |
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146 | virtual Float_t GetYG()const {return fY;} |
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147 | // Returns particle Y position at this hit in global coordinates. |
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148 | virtual Float_t GetZG()const {return fZ;} |
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149 | // Returns particle Z position at this hit in global coordinates. |
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150 | virtual void GetPositionL(Float_t &x,Float_t &y,Float_t &z); |
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151 | // Returns particle 3 position at this hit in local coordinates. |
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152 | virtual void GetPositionL(Float_t &x,Float_t &y,Float_t &z, |
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153 | Float_t &tof); |
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154 | virtual void GetPositionL(Double_t &x,Double_t &y,Double_t &z){ |
| 155 | Float_t xf,yf,zf;GetPositionL(xf,yf,zf);x=xf,y=yf;z=zf;} |
| 156 | // Returns particle 3 position at this hit in local coordinates. |
| 157 | virtual void GetPositionL(Double_t &x,Double_t &y,Double_t &z, |
| 158 | Double_t &tof){ |
| 159 | Float_t xf,yf,zf,tf;GetPositionL(xf,yf,zf,tf);x=xf,y=yf;z=zf;tof=tf;} |
| 160 | // Returns particle 3 position and the time of flight at this hit |
| 161 | // in local coordinates. |
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162 | virtual Float_t GetXL(); |
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163 | // Returns particle X position at this hit in local coordinates. |
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164 | virtual Float_t GetYL(); |
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165 | // Returns particle Y position at this hit in local coordinates. |
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166 | virtual Float_t GetZL(); |
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167 | // Returns particle Z position at this hit in local coordinates. |
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168 | // Get Monti Carlo information about hit. |
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169 | virtual void GetMomentumG(Float_t &px,Float_t &py,Float_t &pz) |
| 170 | const {px=fPx;py=fPy;pz=fPz;return;}; |
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171 | virtual void GetMomentumG(Double_t &px,Double_t &py,Double_t &pz) |
| 172 | const {px=fPx;py=fPy;pz=fPz;return;}; |
| 173 | // Returns particle 3 momentum at this hit in global coordinates. |
| 174 | virtual Float_t GetPXG()const {return fPx;} |
| 175 | // Returns particle X momentum at this hit in global coordinates. |
| 176 | virtual Float_t GetPYG()const {return fPy;} |
| 177 | // Returns particle Y momentum at this hit in global coordinates. |
| 178 | virtual Float_t GetPZG()const {return fPz;} |
| 179 | // Returns particle Z momentum at this hit in global coordinates. |
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180 | virtual void GetMomentumL(Float_t &px,Float_t &py,Float_t &pz); |
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181 | virtual void GetMomentumL(Double_t &px,Double_t &py,Double_t &pz){ |
| 182 | Float_t x,y,z;GetMomentumL(x,y,z);px=x,py=y,pz=z;} |
| 183 | // Returns particle 3 momentum at this hit in local coordinates. |
| 184 | virtual Float_t GetPXL(); |
| 185 | // Returns particle X momentum at this hit in local coordinates. |
| 186 | virtual Float_t GetPYL(); |
| 187 | // Returns particle Y momentum at this hit in local coordinates. |
| 188 | virtual Float_t GetPZL(); |
| 189 | // Returns particle Z momentum at this hit in local coordinates. |
| 190 | virtual TParticle * GetParticle(); // Returns pointer to this particle. |
| 191 | Bool_t StatusInside() {if((fStatus&0x0001)==0) return kFALSE; |
| 192 | else return kTRUE;} |
| 193 | Bool_t StatusEntering() {if((fStatus&0x0002)==0) return kFALSE; |
| 194 | else return kTRUE;} |
| 195 | Bool_t StatusExiting() {if((fStatus&0x0004)==0) return kFALSE; |
| 196 | else return kTRUE;} |
| 197 | Bool_t StatusOut() {if((fStatus&0x0008)==0) return kFALSE; |
| 198 | else return kTRUE;} |
| 199 | Bool_t StatusDisappeared() {if((fStatus&0x00010)==0) return kFALSE; |
| 200 | else return kTRUE;} |
| 201 | Bool_t StatusStop() {if((fStatus&0x00020)==0) return kFALSE; |
| 202 | else return kTRUE;} |
| 203 | Bool_t StatusAlive() {if((fStatus&0x00030)==0) return kFALSE; |
| 204 | else return kTRUE;} |
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205 | |
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206 | ClassDef(AliITShit,1) //Hits object for set:ITS |
| 207 | }; |
| 208 | |
| 209 | #endif |
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