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
43 Float_t fSide; // selects left(-1), right(+1), or both(0) sides of the TPC
44 Int_t fNoComp; // number of a drift gas components
45 Int_t fMixtComp[3]; // drift gas components
46 Float_t fMixtProp[3]; // mixture proportions
50 AliTPC(const char *name, const char *title);
52 virtual void AddHit(Int_t a1, Int_t *a2, Float_t *a3);
53 Int_t DistancetoPrimitive(Int_t px, Int_t py);
54 virtual void BuildGeometry();
55 virtual void CreateGeometry() {}
56 virtual void CreateMaterials();
57 virtual void Hits2Clusters(TFile *of);
58 virtual void Hits2ExactClustersSector(Int_t isec); // MI change calculate "exact" cluster position
59 virtual void SDigits2Digits();
61 virtual void Hits2Digits(); //MI change
62 virtual void Hits2DigitsSector(Int_t isec); //MI change
64 virtual Int_t IsVersion() const =0;
65 virtual void Digits2Clusters(TFile *of);
66 virtual void Clusters2Tracks(TFile *of);
68 Int_t GetNsectors() {return fNsectors;}
69 virtual void MakeBranch(Option_t *opt=" ", char *file=0 );
70 virtual void ResetDigits();
71 virtual void SetSecAL(Int_t sec);
72 virtual void SetSecAU(Int_t sec);
73 virtual void SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6);
74 virtual void SetSecUps (Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6,
75 Int_t s7,Int_t s8,Int_t s9,Int_t s10, Int_t s11, Int_t s12);
76 virtual void SetSens(Int_t sens);
79 virtual void SetSide(Float_t side);
80 virtual void SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1,
81 Float_t p2,Float_t p3);
83 virtual void StepManager()=0;
84 virtual void DrawDetector() {}
85 AliTPCDigitsArray* GetDigitsArray() {return fDigitsArray;} //MI change
86 AliTPCClustersArray* GetClustersArray(){return fClustersArray;} //MI change
87 AliTPCParam *GetParam(){return fTPCParam;} // M.K, M.I changes
88 void SetParam(AliTPCParam *param){fTPCParam=param;} // M.K, M.I changes
89 void SetDigitsArray(AliTPCDigitsArray* param) {fDigitsArray=param;} //MI change
90 void SetClustersArray(AliTPCClustersArray *clusters) {fClustersArray = clusters;} //MI change
92 // additional function neccesary for the new hits
93 virtual void MakeBranch2(Option_t *opt=" ", char *file=0); //
94 virtual void SetTreeAddress();
95 virtual void SetTreeAddress2();
96 virtual void AddHit2(Int_t a1, Int_t *a2, Float_t *a3); //
97 virtual void ResetHits();
98 virtual void ResetHits2();
99 virtual AliHit* FirstHit(Int_t track);
100 virtual AliHit* NextHit();
101 virtual AliHit* FirstHit2(Int_t track);
102 virtual AliHit* NextHit2();
104 virtual void LoadPoints(Int_t dummy);
105 virtual void LoadPoints2(Int_t dummy);
106 virtual void LoadPoints3(Int_t dumy);
107 virtual void FinishPrimary();
108 virtual void RemapTrackHitIDs(Int_t *map);
109 virtual void FindTrackHitsIntersection(TClonesArray * arr);
110 //fill clones array with intersection of current point with the
112 void SetHitType(Int_t type){fHitType =type;} //set type of hit container
117 void DigitizeRow(Int_t irow,Int_t isec,TObjArray **rowTriplet);
118 Float_t GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2,
120 void GetList (Float_t label,Int_t np,TMatrix *m,Int_t *IndexRange,
122 void MakeSector(Int_t isec,Int_t nrows,TTree *TH,Stat_t ntracks,TObjArray **row);
123 void TransportElectron(Float_t *xyz, Int_t *index);
124 Int_t fCurrentIndex[4];// index[0] indicates coordinate system,
125 // index[1] sector number,
126 // index[2] pad row number
127 // index[3] pad row number for which signal is calculated
129 ClassDef(AliTPC,2) // Time Projection Chamber class
133 //_____________________________________________________________________________
135 class AliTPCdigit : public AliDigit {
137 Int_t fSector; //array of volumes
138 Int_t fPadRow; //Row number
139 Int_t fPad ; //Pad number
140 Int_t fTime; //Time bucket
141 Int_t fSignal; //Signal amplitude
145 AliTPCdigit(Int_t *tracks, Int_t *digits);
146 virtual ~AliTPCdigit() {}
148 ClassDef(AliTPCdigit,1) // Time Projection Chamber digits
152 //_____________________________________________________________________________
154 class AliTPChit : public AliHit {
156 Int_t fSector; //sector number
157 Int_t fPadRow; //Pad Row number
158 Float_t fQ ; //charge
162 AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
163 virtual ~AliTPChit() {}
164 void SetX(Float_t x){fX = x;}
165 void SetY(Float_t y){fY = y;}
166 void SetZ(Float_t z){fZ = z;}
168 ClassDef(AliTPChit,1) // Time Projection Chamber hits