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"
21 class AliTPCDigitsArray;
22 class AliTPCClustersArray;
23 class AliTPCTrackHits; // M.I.
25 class AliTPC : public AliDetector {
28 Int_t fSecAL; // Upper sector selector
29 Int_t fSecAU; // Lower sector selector
30 Int_t fSecLows[6]; // List of lower sectors selected
31 Int_t fSecUps[12]; // List of upper sectors selected
32 Int_t fNsectors; // Number of sectors in TPC
34 AliTPCDigitsArray * fDigitsArray; //!detector digit object
35 AliTPCClustersArray * fClustersArray; //!detector cluster object
36 AliTPCParam *fTPCParam; // pointer to TPC parameters
37 AliTPCTrackHits *fTrackHits; //!hits for given track M.I.
38 Int_t fHitType; // if fNewHit = 1 old data structure if 2 new hits
40 Int_t fDigitsSwitch; // digits type, 0->normal, 1->summable
44 Float_t fSide; // selects left(-1), right(+1), or both(0) sides of the TPC
45 Int_t fNoComp; // number of a drift gas components
46 Int_t fMixtComp[3]; // drift gas components
47 Float_t fMixtProp[3]; // mixture proportions
51 AliTPC(const char *name, const char *title);
53 virtual void AddHit(Int_t a1, Int_t *a2, Float_t *a3);
54 Int_t DistancetoPrimitive(Int_t px, Int_t py);
55 virtual void BuildGeometry();
56 virtual void CreateGeometry() {}
57 virtual void CreateMaterials();
58 virtual void Hits2Clusters(TFile *of);
59 virtual void Hits2ExactClustersSector(Int_t isec); // MI change calculate "exact" cluster position
60 virtual void SDigits2Digits();
61 virtual void Hits2SDigits();
62 virtual void Hits2Digits(); //MI change
63 virtual void Hits2DigitsSector(Int_t isec); //MI change
65 virtual Int_t IsVersion() const =0;
66 virtual void Digits2Clusters(TFile *of);
67 virtual void Clusters2Tracks(TFile *of);
69 Int_t GetNsectors() {return fNsectors;}
70 virtual void MakeBranch(Option_t *opt=" ", const char *file=0 );
71 virtual void ResetDigits();
72 virtual void SetSecAL(Int_t sec);
73 virtual void SetSecAU(Int_t sec);
74 virtual void SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6);
75 virtual void SetSecUps (Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6,
76 Int_t s7,Int_t s8,Int_t s9,Int_t s10, Int_t s11, Int_t s12);
77 virtual void SetSens(Int_t sens);
80 virtual void SetSide(Float_t side);
81 virtual void SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1,
82 Float_t p2,Float_t p3);
84 virtual void StepManager()=0;
85 virtual void DrawDetector() {}
86 AliTPCDigitsArray* GetDigitsArray() {return fDigitsArray;} //MI change
87 AliTPCClustersArray* GetClustersArray(){return fClustersArray;} //MI change
88 AliTPCParam *GetParam(){return fTPCParam;} // M.K, M.I changes
89 void SetParam(AliTPCParam *param){fTPCParam=param;} // M.K, M.I changes
90 void SetDigitsArray(AliTPCDigitsArray* param) {fDigitsArray=param;} //MI change
91 void SetClustersArray(AliTPCClustersArray *clusters) {fClustersArray = clusters;} //MI change
93 // additional function neccesary for the new hits
94 virtual void MakeBranch2(Option_t *opt=" ", const char *file=0); //
95 virtual void SetTreeAddress();
96 virtual void SetTreeAddress2();
97 virtual void AddHit2(Int_t a1, Int_t *a2, Float_t *a3); //
98 virtual void ResetHits();
99 virtual void ResetHits2();
100 virtual AliHit* FirstHit(Int_t track);
101 virtual AliHit* NextHit();
102 virtual AliHit* FirstHit2(Int_t track);
103 virtual AliHit* NextHit2();
105 virtual void LoadPoints(Int_t dummy);
106 virtual void LoadPoints2(Int_t dummy);
107 virtual void LoadPoints3(Int_t dumy);
108 virtual void FinishPrimary();
109 virtual void RemapTrackHitIDs(Int_t *map);
110 virtual void FindTrackHitsIntersection(TClonesArray * arr);
111 //fill clones array with intersection of current point with the
113 void SetHitType(Int_t type){fHitType =type;} //set type of hit container
114 void SetDigitsSwitch(Int_t sw){fDigitsSwitch = sw;}
119 void DigitizeRow(Int_t irow,Int_t isec,TObjArray **rowTriplet);
120 Float_t GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2,
122 void GetList (Float_t label,Int_t np,TMatrix *m,Int_t *IndexRange,
124 void MakeSector(Int_t isec,Int_t nrows,TTree *TH,Stat_t ntracks,TObjArray **row);
125 void TransportElectron(Float_t *xyz, Int_t *index);
126 Int_t fCurrentIndex[4];// index[0] indicates coordinate system,
127 // index[1] sector number,
128 // index[2] pad row number
129 // index[3] pad row number for which signal is calculated
131 ClassDef(AliTPC,3) // Time Projection Chamber class
135 //_____________________________________________________________________________
137 class AliTPCdigit : public AliDigit {
139 Int_t fSector; //array of volumes
140 Int_t fPadRow; //Row number
141 Int_t fPad ; //Pad number
142 Int_t fTime; //Time bucket
143 Int_t fSignal; //Signal amplitude
147 AliTPCdigit(Int_t *tracks, Int_t *digits);
148 virtual ~AliTPCdigit() {}
150 ClassDef(AliTPCdigit,1) // Time Projection Chamber digits
154 //_____________________________________________________________________________
156 class AliTPChit : public AliHit {
158 Int_t fSector; //sector number
159 Int_t fPadRow; //Pad Row number
160 Float_t fQ ; //charge
164 AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
165 virtual ~AliTPChit() {}
166 void SetX(Float_t x){fX = x;}
167 void SetY(Float_t y){fY = y;}
168 void SetZ(Float_t z){fZ = z;}
170 ClassDef(AliTPChit,1) // Time Projection Chamber hits