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[u/mrichter/AliRoot.git] / TPC / AliTPC.h
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73042f01 1#ifndef ALITPC_H
2#define ALITPC_H
3da30618 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
fe4da5cc 8////////////////////////////////////////////////
9// Manager class for TPC //
10////////////////////////////////////////////////
fe4da5cc 11#include "AliDetector.h"
12#include "AliHit.h"
13#include "AliDigit.h"
da33556f 14#include "TLorentzVector.h"
15
88cb7938 16#include "AliTPCLoader.h"
fe4da5cc 17
73042f01 18
2b06d5c3 19class TMatrix;
de61d5d5 20class AliTPCFastMatrix; //MI change
21class AliTPCFastVector; //MI change
22
2b06d5c3 23class TTree;
cc80f89e 24
2b06d5c3 25class TFile;
26class AliTPCParam;
cc80f89e 27class AliTPCDigitsArray;
28class AliTPCClustersArray;
792bb11c 29class AliTPCTrackHitsV2; // M.I.
30class AliTPCTrackHits; // M.I. -MI4 old hits - to be removed later
31
fe4da5cc 32
33class AliTPC : public AliDetector {
34protected:
afc42102 35 Int_t fDefaults;
fe4da5cc 36 Int_t fSens; // ISENS
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
cc80f89e 42 //MI changes
2ab0c725 43 AliTPCDigitsArray * fDigitsArray; //!detector digit object
44 AliTPCClustersArray * fClustersArray; //!detector cluster object
39c8eb58 45 AliTPCParam *fTPCParam; // pointer to TPC parameters
792bb11c 46 AliTPCTrackHitsV2 *fTrackHits; //!hits for given track M.I.
47 AliTPCTrackHits *fTrackHitsOld; //!hits for given track M.I. MIold -
48
49 Int_t fHitType; // if fNewHit = 1 old data structure if 2 new hits if 4 old MI stucture
50 // 3 both types
f8cf550c 51 Int_t fDigitsSwitch; // digits type, 0->normal, 1->summable
4b0fdcad 52
53 //MK changes
54
55 Float_t fSide; // selects left(-1), right(+1), or both(0) sides of the TPC
1283eee5 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
59
fe4da5cc 60public:
61 AliTPC();
62 AliTPC(const char *name, const char *title);
88cb7938 63
64 virtual AliLoader* MakeLoader(const char* topfoldername);
65
fe4da5cc 66 virtual ~AliTPC();
73042f01 67 virtual void AddHit(Int_t a1, Int_t *a2, Float_t *a3);
fe4da5cc 68 Int_t DistancetoPrimitive(Int_t px, Int_t py);
69 virtual void BuildGeometry();
70 virtual void CreateGeometry() {}
71 virtual void CreateMaterials();
a62d28a2 72 virtual void Hits2Clusters(TFile *of, Int_t eventn=0);
cc80f89e 73 virtual void Hits2ExactClustersSector(Int_t isec); // MI change calculate "exact" cluster position
0a61bf9d 74
75 virtual void SDigits2Digits(){;} //MI change -cycling to production
76 virtual void SDigits2Digits2(Int_t eventnumber=0);
77
78 virtual void Hits2SDigits(); // MI - cycling around
79 virtual void Hits2SDigits2(Int_t eventnumber=0);
80
a62d28a2 81 virtual void Digits2Reco(Int_t firstevent=0,Int_t lastevent=0);
afc42102 82 virtual void Hits2Digits(Int_t eventnumber=0); //MI change
2ab0c725 83 virtual void Hits2DigitsSector(Int_t isec); //MI change
fe4da5cc 84 virtual void Init();
85 virtual Int_t IsVersion() const =0;
88cb7938 86 virtual void Digits2Clusters(Int_t eventnumber=0);
87 virtual void Clusters2Tracks();
cc80f89e 88
fe4da5cc 89 Int_t GetNsectors() {return fNsectors;}
88cb7938 90 virtual void MakeBranch(Option_t *opt=" ");
fe4da5cc 91 virtual void ResetDigits();
92 virtual void SetSecAL(Int_t sec);
93 virtual void SetSecAU(Int_t sec);
94 virtual void SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6);
95 virtual void SetSecUps (Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6,
88cb7938 96 Int_t s7,Int_t s8,Int_t s9,Int_t s10, Int_t s11, Int_t s12);
fe4da5cc 97 virtual void SetSens(Int_t sens);
cc80f89e 98
4b0fdcad 99
100 virtual void SetSide(Float_t side);
1283eee5 101 virtual void SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1,
102 Float_t p2,Float_t p3);
103
fe4da5cc 104 virtual void StepManager()=0;
8c555625 105 virtual void DrawDetector() {}
cc80f89e 106 AliTPCDigitsArray* GetDigitsArray() {return fDigitsArray;} //MI change
107 AliTPCClustersArray* GetClustersArray(){return fClustersArray;} //MI change
108 AliTPCParam *GetParam(){return fTPCParam;} // M.K, M.I changes
109 void SetParam(AliTPCParam *param){fTPCParam=param;} // M.K, M.I changes
110 void SetDigitsArray(AliTPCDigitsArray* param) {fDigitsArray=param;} //MI change
111 void SetClustersArray(AliTPCClustersArray *clusters) {fClustersArray = clusters;} //MI change
39c8eb58 112
113// additional function neccesary for the new hits
9e1a0ddb 114 virtual void MakeBranch2(Option_t *opt=" ", const char *file=0); //
39c8eb58 115 virtual void SetTreeAddress();
116 virtual void SetTreeAddress2();
117 virtual void AddHit2(Int_t a1, Int_t *a2, Float_t *a3); //
118 virtual void ResetHits();
119 virtual void ResetHits2();
120 virtual AliHit* FirstHit(Int_t track);
121 virtual AliHit* NextHit();
122 virtual AliHit* FirstHit2(Int_t track);
123 virtual AliHit* NextHit2();
39c8eb58 124 virtual void LoadPoints(Int_t dummy);
125 virtual void LoadPoints2(Int_t dummy);
126 virtual void LoadPoints3(Int_t dumy);
127 virtual void FinishPrimary();
128 virtual void RemapTrackHitIDs(Int_t *map);
129 virtual void FindTrackHitsIntersection(TClonesArray * arr);
130 //fill clones array with intersection of current point with the
131 //middle of the row
132 void SetHitType(Int_t type){fHitType =type;} //set type of hit container
f8cf550c 133 void SetDigitsSwitch(Int_t sw){fDigitsSwitch = sw;}
afc42102 134 void SetDefSwitch(Int_t def){fDefaults = def;}
407ff276 135 Float_t GetNoise(); //get Current noise
136 void GenerNoise(Int_t tablasize); // make noise table
792bb11c 137 Bool_t IsSectorActive(Int_t sec); // check if the sector is active
138 void SetActiveSectors(Int_t * sectors, Int_t n); //set active sectors
da33556f 139 Int_t GetHitType(){return fHitType;}
12d8d654 140 void SetActiveSectors(Int_t flag=0); //loop over al hits and set active only hitted sectors
42157e55 141
142// static functions
143 static AliTPCParam* LoadTPCParam(TFile *file);
144
145 private:
fe4da5cc 146 //
792bb11c 147 Bool_t TrackInVolume(Int_t id,Int_t track); //return true if current track is in volume
afc42102 148 void SetDefaults();
8c555625 149 void DigitizeRow(Int_t irow,Int_t isec,TObjArray **rowTriplet);
de61d5d5 150 Float_t GetSignal(TObjArray *p1, Int_t ntr, AliTPCFastMatrix *m1,
151 AliTPCFastMatrix *m2,Int_t *IndexRange);
152 void GetList (Float_t label,Int_t np,AliTPCFastMatrix *m,Int_t *IndexRange,
8c555625 153 Float_t **pList);
154 void MakeSector(Int_t isec,Int_t nrows,TTree *TH,Stat_t ntracks,TObjArray **row);
cc80f89e 155 void TransportElectron(Float_t *xyz, Int_t *index);
156 Int_t fCurrentIndex[4];// index[0] indicates coordinate system,
157 // index[1] sector number,
158 // index[2] pad row number
159 // index[3] pad row number for which signal is calculated
407ff276 160 Int_t fNoiseDepth; //!noise table
161 Float_t * fNoiseTable; //![fNoiseDepth] table with noise
162 Int_t fCurrentNoise; //!index of the noise in the noise table
792bb11c 163 Bool_t* fActiveSectors; //!bool indicating which sectors are active
407ff276 164
88cb7938 165 ClassDef(AliTPC,10) // Time Projection Chamber class
fe4da5cc 166};
167
fe4da5cc 168
169//_____________________________________________________________________________
170
171class AliTPCdigit : public AliDigit {
172public:
173 Int_t fSector; //array of volumes
174 Int_t fPadRow; //Row number
175 Int_t fPad ; //Pad number
176 Int_t fTime; //Time bucket
177 Int_t fSignal; //Signal amplitude
178
179public:
180 AliTPCdigit() {}
181 AliTPCdigit(Int_t *tracks, Int_t *digits);
182 virtual ~AliTPCdigit() {}
183
184 ClassDef(AliTPCdigit,1) // Time Projection Chamber digits
185};
186
187
188//_____________________________________________________________________________
189
190class AliTPChit : public AliHit {
191public:
192 Int_t fSector; //sector number
193 Int_t fPadRow; //Pad Row number
194 Float_t fQ ; //charge
195
196public:
197 AliTPChit() {}
198 AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
199 virtual ~AliTPChit() {}
39c8eb58 200 void SetX(Float_t x){fX = x;}
201 void SetY(Float_t y){fY = y;}
202 void SetZ(Float_t z){fZ = z;}
fe4da5cc 203
204 ClassDef(AliTPChit,1) // Time Projection Chamber hits
205};
3c0f9266 206
73042f01 207#endif
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