-#ifndef TPC_H
-#define TPC_H
+#ifndef ALITPC_H
+#define ALITPC_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
////////////////////////////////////////////////
// Manager class for TPC //
////////////////////////////////////////////////
-
#include "AliDetector.h"
#include "AliHit.h"
#include "AliDigit.h"
-#include "AliTPCSecGeo.h"
-#include <TMatrix.h>
-#define MAXTPCTBK 500
-class AliTPCcluster;
-class AliTPCtrack;
+class TMatrix;
+class TTree;
+
+class TFile;
+class AliTPCParam;
+class AliTPCDigitsArray;
+class AliTPCClustersArray;
+class AliTPCTrackHits; // M.I.
class AliTPC : public AliDetector {
protected:
+ Int_t fDefaults;
Int_t fSens; // ISENS
Int_t fSecAL; // Upper sector selector
Int_t fSecAU; // Lower sector selector
Int_t fSecLows[6]; // List of lower sectors selected
Int_t fSecUps[12]; // List of upper sectors selected
Int_t fNsectors; // Number of sectors in TPC
- Int_t fNclusters; // Number of clusters in TPC
- Int_t fNtracks; // Number of tracks in TPC
- Int_t *fClustersIndex; // Index for each sector in fClusters
- Int_t *fDigitsIndex; // Index for each sector in fDigits
- TClonesArray *fClusters; // List of clusters for all sectors
- TClonesArray *fTracks; // List of reconstructed tracks
-
+ //MI changes
+ AliTPCDigitsArray * fDigitsArray; //!detector digit object
+ AliTPCClustersArray * fClustersArray; //!detector cluster object
+ AliTPCParam *fTPCParam; // pointer to TPC parameters
+ AliTPCTrackHits *fTrackHits; //!hits for given track M.I.
+ Int_t fHitType; // if fNewHit = 1 old data structure if 2 new hits
+ // 3 both types
+ Int_t fDigitsSwitch; // digits type, 0->normal, 1->summable
+
+ //MK changes
+
+ Float_t fSide; // selects left(-1), right(+1), or both(0) sides of the TPC
+ Int_t fNoComp; // number of a drift gas components
+ Int_t fMixtComp[3]; // drift gas components
+ Float_t fMixtProp[3]; // mixture proportions
+
public:
AliTPC();
AliTPC(const char *name, const char *title);
virtual ~AliTPC();
- virtual void AddCluster(Float_t*, Int_t*);
- /*virtual*/void AddCluster(const AliTPCcluster&);
- virtual void AddDigit(Int_t*, Int_t*);
- virtual void AddHit(Int_t, Int_t*, Float_t*);
- virtual void AddTrack(Float_t*);
- /*virtual*/void AddTrack(const AliTPCtrack&);
+ virtual void AddHit(Int_t a1, Int_t *a2, Float_t *a3);
Int_t DistancetoPrimitive(Int_t px, Int_t py);
virtual void BuildGeometry();
virtual void CreateGeometry() {}
virtual void CreateMaterials();
- virtual void Hits2Clusters();
- virtual void Hits2Digits();
+ virtual void Hits2Clusters(TFile *of, Int_t eventn);
+ virtual void Hits2ExactClustersSector(Int_t isec); // MI change calculate "exact" cluster position
+ virtual void SDigits2Digits(Int_t eventnumber=0);
+ virtual void Hits2SDigits(Int_t eventnumber=0);
+ virtual void Digits2Reco(Int_t eventnumber=0);
+ virtual void Hits2Digits(Int_t eventnumber=0); //MI change
+ virtual void Hits2DigitsSector(Int_t isec); //MI change
virtual void Init();
virtual Int_t IsVersion() const =0;
- virtual void Digits2Clusters();
- virtual void Clusters2Tracks();
- TClonesArray *Clusters() {return fClusters;}
- TClonesArray *Tracks() {return fTracks;}
- Int_t *GetClustersIndex() {return fClustersIndex;}
- Int_t *GetDigitsIndex() {return fDigitsIndex;}
+ virtual void Digits2Clusters(TFile *of, Int_t eventnumber=0);
+ virtual void Clusters2Tracks(TFile *of);
+
Int_t GetNsectors() {return fNsectors;}
- virtual void MakeBranch(Option_t *opt=" ");
+ virtual void MakeBranch(Option_t *opt=" ", const char *file=0 );
virtual void ResetDigits();
virtual void SetSecAL(Int_t sec);
virtual void SetSecAU(Int_t sec);
virtual void SetSecUps (Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6,
Int_t s7,Int_t s8,Int_t s9,Int_t s10, Int_t s11, Int_t s12);
virtual void SetSens(Int_t sens);
- virtual void StepManager()=0;
- virtual void DrawDetector() {}
-
-private:
- //
- // Private inline functions for AliTPC
- //
- inline Float_t P1(const Float_t x){
-#ifndef __CINT__
- const
-#endif
- Float_t y=x*x;
- return(1.25e-3-8.0e-3*x+0.0274*y-0.0523*x*y); //electron is 3 pads away
- }
- //
- inline Float_t P2(const Float_t x){
-#ifndef __CINT__
- const
-#endif
- Float_t y=x*x;
- return(.0114-0.0726*x+0.2408*y-0.4421*x*y); //electron is 2 pads away
- }
- //
- inline Float_t P3(const Float_t x){
-#ifndef __CINT__
- const
-#endif
- Float_t y=x*x;
-
- return(0.0959-0.5204*x+0.9272*y+0.2865*x*y); //electron is 1 pad away
- }
- //
- inline Float_t P4(const Float_t x){
-#ifndef __CINT__
- const
-#endif
- Float_t y=x*x;
- return(.2835-2.7*y+11.55*y*y); //electron is here
- }
+ virtual void SetSide(Float_t side);
+ virtual void SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1,
+ Float_t p2,Float_t p3);
- //
- // Time response, 3 sigma truncated Gaussian
- //
- inline Float_t TimeRes(const Float_t x) {
-#ifndef __CINT__
- const
-#endif
- Float_t sigma = fwhm/2.354820045;
-#ifndef __CINT__
- const
-#endif
- Float_t trunc = 3.*sigma;
- const Float_t norm = 0.4; // according to H-G. Fischer
-#ifndef __CINT__
- const
-#endif
- Float_t x1 = x-trunc;
- return (TMath::Abs(x1)>trunc) ? 0 : norm*TMath::Exp(-0.5*x1*x1/sigma/sigma);
- }
- //
- // Private prototypes for Alice TPC
- //
- void CreateList(Int_t *tracks,Float_t signal[][MAXTPCTBK+1],Int_t ntr,Int_t time);
- void DigSignal(Int_t isec,Int_t irow,TObjArray *pointer);
- void ElDiff(Float_t *xyz);
-
- ClassDef(AliTPC,2) // Time Projection Chamber class
-};
+ virtual void StepManager()=0;
+ virtual void DrawDetector() {}
+ AliTPCDigitsArray* GetDigitsArray() {return fDigitsArray;} //MI change
+ AliTPCClustersArray* GetClustersArray(){return fClustersArray;} //MI change
+ AliTPCParam *GetParam(){return fTPCParam;} // M.K, M.I changes
+ void SetParam(AliTPCParam *param){fTPCParam=param;} // M.K, M.I changes
+ void SetDigitsArray(AliTPCDigitsArray* param) {fDigitsArray=param;} //MI change
+ void SetClustersArray(AliTPCClustersArray *clusters) {fClustersArray = clusters;} //MI change
+
+// additional function neccesary for the new hits
+ virtual void MakeBranch2(Option_t *opt=" ", const char *file=0); //
+ virtual void SetTreeAddress();
+ virtual void SetTreeAddress2();
+ virtual void AddHit2(Int_t a1, Int_t *a2, Float_t *a3); //
+ virtual void ResetHits();
+ virtual void ResetHits2();
+ virtual AliHit* FirstHit(Int_t track);
+ virtual AliHit* NextHit();
+ virtual AliHit* FirstHit2(Int_t track);
+ virtual AliHit* NextHit2();
+
+ virtual void LoadPoints(Int_t dummy);
+ virtual void LoadPoints2(Int_t dummy);
+ virtual void LoadPoints3(Int_t dumy);
+ virtual void FinishPrimary();
+ virtual void RemapTrackHitIDs(Int_t *map);
+ virtual void FindTrackHitsIntersection(TClonesArray * arr);
+ //fill clones array with intersection of current point with the
+ //middle of the row
+ void SetHitType(Int_t type){fHitType =type;} //set type of hit container
+ void SetDigitsSwitch(Int_t sw){fDigitsSwitch = sw;}
+ void SetDefSwitch(Int_t def){fDefaults = def;}
-//_____________________________________________________________________________
-class AliTPCcluster : public TObject {
-public:
- Int_t fTracks[3];//labels of overlapped tracks
- Int_t fSector; //sector number
- Int_t fPadRow; //PadRow number
- Float_t fY ; //Y of cluster
- Float_t fZ ; //Z of cluster
- Float_t fQ ; //Q of cluster (in ADC counts)
- Float_t fSigmaY2; //Sigma Y square of cluster
- Float_t fSigmaZ2; //Sigma Z square of cluster
-
-public:
- AliTPCcluster() {
- fTracks[0]=fTracks[1]=fTracks[2]=0;
- fSector=fPadRow=0;
- fY=fZ=fQ=fSigmaY2=fSigmaZ2=0.;
- }
- AliTPCcluster(Float_t *hits, Int_t*);
- virtual ~AliTPCcluster() {;}
- void Use() {fTracks[0]=-fTracks[0];}
- int IsUsed() const {return (fTracks[0]<0) ? 1 : 0;}
- void GetXYZ(Double_t& x,Double_t& y,Double_t& z) const; //Get global x,y,z
+private:
+ //
+ void SetDefaults();
+ void DigitizeRow(Int_t irow,Int_t isec,TObjArray **rowTriplet);
+ Float_t GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2,
+ Int_t *IndexRange);
+ void GetList (Float_t label,Int_t np,TMatrix *m,Int_t *IndexRange,
+ Float_t **pList);
+ void MakeSector(Int_t isec,Int_t nrows,TTree *TH,Stat_t ntracks,TObjArray **row);
+ void TransportElectron(Float_t *xyz, Int_t *index);
+ Int_t fCurrentIndex[4];// index[0] indicates coordinate system,
+ // index[1] sector number,
+ // index[2] pad row number
+ // index[3] pad row number for which signal is calculated
- ClassDef(AliTPCcluster,1) // Time Projection Chamber clusters
+ ClassDef(AliTPC,4) // Time Projection Chamber class
};
AliTPChit() {}
AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
virtual ~AliTPChit() {}
+ void SetX(Float_t x){fX = x;}
+ void SetY(Float_t y){fY = y;}
+ void SetZ(Float_t z){fZ = z;}
ClassDef(AliTPChit,1) // Time Projection Chamber hits
};
-
-
-//_____________________________________________________________________________
-
-const unsigned MAX_CLUSTER_PER_ROW=500;
-const Double_t FIELD=0.2;
-
-class AliTPCtrack : public TObject {
- Double_t fAlpha; // rotation angle
- Double_t ref; // track reference plane (X-coordinate)
- TVector x; // vector of track parameters
- TMatrix C; // covariance matrix of track parameters
- TObjArray clusters; // pointers to clusters belonging to this track
- Double_t chi2; // total chi2 value for this track
-public:
- AliTPCtrack(Float_t *hits);
- AliTPCtrack(const AliTPCcluster& c, const TVector& xx, const TMatrix& CC);
- AliTPCtrack(const AliTPCtrack& t);
- int PropagateTo(Double_t x,
- Double_t x0=28.94,Double_t rho=0.9e-3,Double_t pm=0.139);
- void PropagateToVertex(
- Double_t x0=36.66,Double_t rho=1.2e-3,Double_t pm=0.139);
- void Update(const AliTPCcluster* c, Double_t chi2);
- int Rotate(Double_t angle);
- void UseClusters() const ;
- Double_t GetPredictedChi2(const AliTPCcluster*) const ;
- Double_t GetX() const {return ref;}
- Double_t GetY() const {return x(0);}
- Double_t GetC() const {return x(2);}
- Double_t GetY(Double_t x) const;
- Double_t GetZ() const {return x(1);}
- Double_t GetTgl() const {return x(4);}
- Double_t GetPt() const {return 0.3*FIELD/x(2)/100;}
- int GetLab() const ;
- Double_t GetSigmaY2() const {return C(0,0);}
- Double_t GetSigmaZ2() const {return C(1,1);}
- Double_t GetSigmaC2() const {return C(2,2);}
- Double_t GetSigmaTgl2() const {return C(4,4);}
- Double_t GetAlpha() const {return fAlpha;}
- Double_t GetChi2() const {return chi2;}
- operator int() const {return clusters.GetEntriesFast();}
- AliTPCcluster& operator[](int i) {
- return *((AliTPCcluster*)clusters.UncheckedAt(i));
- }
- void GetPxPyPz(Double_t&, Double_t&, Double_t&) const ;
- void GetXYZ(Double_t& X,Double_t& Y,Double_t& Z) const {X=ref;Y=x(0);Z=x(1);}
-
- ClassDef(AliTPCtrack,1) // Time Projection Chamber reconstructed tracks
-};
+#endif
-//_____Classes for internal tracking use ______________________________________
-class TrackSeed : public AliTPCtrack {
-public:
- TrackSeed(const AliTPCcluster& c, const TVector& x, const TMatrix& C) :
- AliTPCtrack(c,x,C) {}
- Bool_t IsSortable() const {return kTRUE;}
- Int_t Compare(TObject *o) {
- AliTPCtrack *t=(AliTPCtrack*)o;
- Double_t c =GetSigmaY2();
- Double_t co=t->GetSigmaY2();
- if (c>co) return 1;
- else if (c<co) return -1;
- return 0;
- }
-};
-class AliTPCRow {
- unsigned num_of_clusters;
- const AliTPCcluster *clusters[MAX_CLUSTER_PER_ROW];
-public:
- AliTPCRow() {num_of_clusters=0;}
- void InsertCluster(const AliTPCcluster*);
- operator int() const {return num_of_clusters;}
- const AliTPCcluster* operator[](int i) const {return clusters[i];}
- int Find(Double_t y) const;
-};
-class AliTPCSector {
- unsigned num_of_rows;
- AliTPCRow *row;
-public:
- AliTPCSector(int nl) {
- row = new AliTPCRow[nl]; num_of_rows=nl;
- }
- virtual ~AliTPCSector() { delete[] row; }
- AliTPCRow& operator[](int i) const { return *(row+i); }
- virtual Double_t GetX(int l) const = 0;
- virtual Double_t GetMaxY(int l) const = 0;
- virtual Double_t GetAlpha() const = 0;
-};
-class AliTPCSSector : public AliTPCSector {
-public:
- AliTPCSSector(): AliTPCSector(nrow_low){}
- virtual ~AliTPCSSector() {}
- Double_t GetX(int l) const { return pad_row_low[0] + (l+0.0)*pad_pitch_l; }
- Double_t GetMaxY(int l) const { return GetX(l)*tan(0.5*alpha_low); }
- Double_t GetAlpha() const {return alpha_low;}
-};
-class AliTPCLSector : public AliTPCSector {
-public:
- AliTPCLSector(): AliTPCSector(nrow_up){}
- virtual ~AliTPCLSector() {}
- Double_t GetX(int l) const { return pad_row_up[0] + (l+0.0)*pad_pitch_l; }
- Double_t GetMaxY(int l) const { return GetX(l)*tan(0.5*alpha_up); }
- Double_t GetAlpha() const {return alpha_up;}
-};
-#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff