3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////
9 // Manager class for TPC //
10 ////////////////////////////////////////////////
11 #include "AliDetector.h"
14 #include "TLorentzVector.h"
15 #include "TVirtualMC.h"
20 class AliTPCFastMatrix; //MI change
21 class AliTPCFastVector; //MI change
27 class AliTPCDigitsArray;
28 class AliTPCClustersArray;
29 class AliTPCTrackHitsV2; // M.I.
30 class AliTPCTrackHits; // M.I. -MI4 old hits - to be removed later
33 class AliTPC : public AliDetector {
37 Int_t fSecAL; // Upper sector selector
38 Int_t fSecAU; // Lower sector selector
39 Int_t fSecLows[6]; // List of lower sectors selected
40 Int_t fSecUps[12]; // List of upper sectors selected
41 Int_t fNsectors; // Number of sectors in TPC
43 AliTPCDigitsArray * fDigitsArray; //!detector digit object
44 AliTPCClustersArray * fClustersArray; //!detector cluster object
45 AliTPCParam *fTPCParam; // pointer to TPC parameters
46 AliTPCTrackHitsV2 *fTrackHits; //!hits for given track M.I.
47 AliTPCTrackHits *fTrackHitsOld; //!hits for given track M.I. MIold -
49 Int_t fHitType; // if fNewHit = 1 old data structure if 2 new hits if 4 old MI stucture
51 Int_t fDigitsSwitch; // digits type, 0->normal, 1->summable
55 Float_t fSide; // selects left(-1), right(+1), or both(0) sides of the TPC
56 Int_t fNoComp; // number of a drift gas components
57 Int_t fMixtComp[3]; // drift gas components
58 Float_t fMixtProp[3]; // mixture proportions
62 AliTPC(const char *name, const char *title);
64 virtual void AddHit(Int_t a1, Int_t *a2, Float_t *a3);
65 Int_t DistancetoPrimitive(Int_t px, Int_t py);
66 virtual void BuildGeometry();
67 virtual void CreateGeometry() {}
68 virtual void CreateMaterials();
69 virtual void Hits2Clusters(TFile *of, Int_t eventn=0);
70 virtual void Hits2ExactClustersSector(Int_t isec); // MI change calculate "exact" cluster position
72 virtual void SDigits2Digits(){;} //MI change -cycling to production
73 virtual void SDigits2Digits2(Int_t eventnumber=0);
75 virtual void Hits2SDigits(); // MI - cycling around
76 virtual void Hits2SDigits2(Int_t eventnumber=0);
78 virtual void Digits2Reco(Int_t firstevent=0,Int_t lastevent=0);
79 virtual void Hits2Digits(Int_t eventnumber=0); //MI change
80 virtual void Hits2DigitsSector(Int_t isec); //MI change
82 virtual Int_t IsVersion() const =0;
83 virtual void Digits2Clusters(TFile *of, Int_t eventnumber=0);
84 virtual void Clusters2Tracks(TFile *of);
86 Int_t GetNsectors() {return fNsectors;}
87 virtual void MakeBranch(Option_t *opt=" ", const char *file=0 );
88 virtual void ResetDigits();
89 virtual void SetSecAL(Int_t sec);
90 virtual void SetSecAU(Int_t sec);
91 virtual void SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6);
92 virtual void SetSecUps (Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6,
93 Int_t s7,Int_t s8,Int_t s9,Int_t s10, Int_t s11, Int_t s12);
94 virtual void SetSens(Int_t sens);
97 virtual void SetSide(Float_t side);
98 virtual void SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1,
99 Float_t p2,Float_t p3);
101 virtual void StepManager()=0;
102 virtual void DrawDetector() {}
103 AliTPCDigitsArray* GetDigitsArray() {return fDigitsArray;} //MI change
104 AliTPCClustersArray* GetClustersArray(){return fClustersArray;} //MI change
105 AliTPCParam *GetParam(){return fTPCParam;} // M.K, M.I changes
106 void SetParam(AliTPCParam *param){fTPCParam=param;} // M.K, M.I changes
107 void SetDigitsArray(AliTPCDigitsArray* param) {fDigitsArray=param;} //MI change
108 void SetClustersArray(AliTPCClustersArray *clusters) {fClustersArray = clusters;} //MI change
110 // additional function neccesary for the new hits
111 virtual void MakeBranch2(Option_t *opt=" ", const char *file=0); //
112 virtual void SetTreeAddress();
113 virtual void SetTreeAddress2();
114 virtual void AddHit2(Int_t a1, Int_t *a2, Float_t *a3); //
115 virtual void ResetHits();
116 virtual void ResetHits2();
117 virtual AliHit* FirstHit(Int_t track);
118 virtual AliHit* NextHit();
119 virtual AliHit* FirstHit2(Int_t track);
120 virtual AliHit* NextHit2();
121 virtual void LoadPoints(Int_t dummy);
122 virtual void LoadPoints2(Int_t dummy);
123 virtual void LoadPoints3(Int_t dumy);
124 virtual void FinishPrimary();
125 virtual void RemapTrackHitIDs(Int_t *map);
126 virtual void FindTrackHitsIntersection(TClonesArray * arr);
127 //fill clones array with intersection of current point with the
129 void SetHitType(Int_t type){fHitType =type;} //set type of hit container
130 void SetDigitsSwitch(Int_t sw){fDigitsSwitch = sw;}
131 void SetDefSwitch(Int_t def){fDefaults = def;}
132 virtual void Merge(TTree * intree, Int_t *mask, Int_t nin, Int_t outid);
133 Float_t GetNoise(); //get Current noise
134 void GenerNoise(Int_t tablasize); // make noise table
135 Bool_t IsSectorActive(Int_t sec); // check if the sector is active
136 void SetActiveSectors(Int_t * sectors, Int_t n); //set active sectors
137 Int_t GetHitType(){return fHitType;}
138 void SetActiveSectors(Int_t flag=0); //loop over al hits and set active only hitted sectors
141 static AliTPCParam* LoadTPCParam(TFile *file);
145 Bool_t TrackInVolume(Int_t id,Int_t track); //return true if current track is in volume
147 void DigitizeRow(Int_t irow,Int_t isec,TObjArray **rowTriplet);
148 Float_t GetSignal(TObjArray *p1, Int_t ntr, AliTPCFastMatrix *m1,
149 AliTPCFastMatrix *m2,Int_t *IndexRange);
150 void GetList (Float_t label,Int_t np,AliTPCFastMatrix *m,Int_t *IndexRange,
152 void MakeSector(Int_t isec,Int_t nrows,TTree *TH,Stat_t ntracks,TObjArray **row);
153 void TransportElectron(Float_t *xyz, Int_t *index);
154 Int_t fCurrentIndex[4];// index[0] indicates coordinate system,
155 // index[1] sector number,
156 // index[2] pad row number
157 // index[3] pad row number for which signal is calculated
158 Int_t fNoiseDepth; //!noise table
159 Float_t * fNoiseTable; //![fNoiseDepth] table with noise
160 Int_t fCurrentNoise; //!index of the noise in the noise table
161 Bool_t* fActiveSectors; //!bool indicating which sectors are active
163 ClassDef(AliTPC,9) // Time Projection Chamber class
167 //_____________________________________________________________________________
169 class AliTPCdigit : public AliDigit {
171 Int_t fSector; //array of volumes
172 Int_t fPadRow; //Row number
173 Int_t fPad ; //Pad number
174 Int_t fTime; //Time bucket
175 Int_t fSignal; //Signal amplitude
179 AliTPCdigit(Int_t *tracks, Int_t *digits);
180 virtual ~AliTPCdigit() {}
182 ClassDef(AliTPCdigit,1) // Time Projection Chamber digits
186 //_____________________________________________________________________________
188 class AliTPChit : public AliHit {
190 Int_t fSector; //sector number
191 Int_t fPadRow; //Pad Row number
192 Float_t fQ ; //charge
196 AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
197 virtual ~AliTPChit() {}
198 void SetX(Float_t x){fX = x;}
199 void SetY(Float_t y){fY = y;}
200 void SetZ(Float_t z){fZ = z;}
202 ClassDef(AliTPChit,1) // Time Projection Chamber hits