-#ifndef RICH_H
-#define RICH_H
-////////////////////////////////////////////////
-// Manager and hits classes for set:RICH //
-////////////////////////////////////////////////
-
-#include "AliDetector.h"
-#include "AliHit.h"
-
-class AliRICH : public AliDetector {
-
-protected:
- Int_t fNmips; //Number of mips in RICH
- Int_t fNckovs; //Number of cerenkovs in RICH
- Int_t fNpadhits; //Number of pad hits in RICH
-
- TClonesArray *fMips; //List of mips
- TClonesArray *fCkovs; //List of cerenkovs
- TClonesArray *fPadhits; //List of Padhits
-
- Float_t fChslope; //Charge slope
- Float_t fAlphaFeed; //Feed-back coefficient
- Float_t fSxcharge; //Charge slope along x
- Int_t fIritri; //Trigger flag
+#ifndef AliRICH_h
+#define AliRICH_h
-public:
- AliRICH();
- AliRICH(const char *name, const char *title);
- virtual ~AliRICH();
- virtual void AddHit(Int_t, Int_t*, Float_t*);
- virtual void AddMipHit(Int_t, Int_t*, Float_t*);
- virtual void AddCkovHit(Int_t, Int_t*, Float_t*);
- virtual void AddPadHit(Int_t, Int_t*, Float_t*);
- virtual void BuildGeometry();
- virtual void CreateGeometry() {}
- virtual void CreateMaterials() {}
- Int_t DistancetoPrimitive(Int_t px, Int_t py);
- inline virtual int GetNmips() {return fNmips;}
- inline virtual int GetNckovs() {return fNckovs;}
- inline virtual int GetNpadhits() {return fNpadhits;}
- virtual Int_t IsVersion() const =0;
- virtual void Init();
- inline TClonesArray *Mips() {return fMips;}
- inline TClonesArray *Ckovs() {return fCkovs;}
- inline TClonesArray *Padhits() {return fPadhits;}
- void FinishEvent(void){;}
- virtual void MakeBranch(Option_t *);
- void SetTreeAddress(void);
- virtual void StepManager();
- virtual void PreTrack();
-
- virtual void SetSP(Float_t chslope){ fChslope=chslope;}
- virtual void SetFEED(Float_t alphafeed){fAlphaFeed=alphafeed;}
- virtual void SetSIGM(Float_t sxcharge){fSxcharge=sxcharge;}
- virtual void SetTRIG(Int_t iritri) {fIritri=iritri;}
- virtual void ResetHits();
- virtual void UpdateMipHit(Float_t*);
- virtual void RichIntegration();
- virtual void AnodicWires(Float_t &);
- virtual void GetChargeMip(Float_t &);
- virtual void GetCharge(Float_t &);
- virtual void FeedBack(Float_t *, Float_t );
- virtual Float_t FMathieson(Float_t , Float_t );
-
- ClassDef(AliRICH,1) // Base class for RICH
-};
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
-class AliRICHv1 : public AliRICH {
-
-public:
- AliRICHv1();
- AliRICHv1(const char *name, const char *title);
- virtual ~AliRICHv1();
- virtual void CreateGeometry();
- virtual void CreateMaterials();
- virtual Int_t IsVersion() const {return 1;}
- virtual void DrawModule();
-
-
- ClassDef(AliRICHv1,1) // RICH version 1
-};
+#include <TObjArray.h>
+#include <TClonesArray.h>
+#include <TVector3.h>
+#include <Riostream.h>
+#include <AliDetector.h>
+#include <AliHit.h>
+#include <AliDigit.h>
+#include "AliRICHDigitizer.h"
+#include "AliRICHParam.h"
-//_____________________________________________________________________________
-class AliRICHhit: public AliHit {
-public:
- Int_t fVolume[2]; //array of volumes
-
- //Pad informations
- Int_t fFirstpad; //First index in padhits
- Int_t fLastpad; //Last index in padhits
-
- //Hit information
- Int_t fModule; //Module number
- Float_t fTheta; //Theta of the particle generating the hit
-
- Float_t fArrivaltime;// Time of hit.
- Int_t fPart; //Particle type
-
- // we don't know what is this for :
- Int_t fFeed; //Type of feedback (origin of charge deposition)
-
+//__________________AliRICHhit______________________________________________________________________
+class AliRICHhit : public AliHit
+{
public:
- AliRICHhit() {}
- AliRICHhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits,
- Int_t fNpadhits);
- virtual ~AliRICHhit(){}
-
- void SetLastpad(Int_t lastpad){fLastpad=lastpad;}
-
- ClassDef(AliRICHhit,1) // Hits for set RICH
-};
+ AliRICHhit():AliHit() {fChamber=kBad; fEloss=kBad; fInX3.SetXYZ(0,0,0);fOutX3.SetXYZ(0,0,0);}
+ AliRICHhit(Int_t c,Int_t tid,TVector3 in,TVector3 out,Double_t e):AliHit(0,tid)
+ {fChamber=c;fInX3=in; fOutX3=out;fEloss=e; fX=out.X();fY=out.Y();fZ=out.Z();}
+ virtual ~AliRICHhit() {;}
-//_____________________________________________________________________________
-class AliRICHmip: public AliRICHhit
+ Int_t C() const{return fChamber;} //chamber number
+ Int_t Chamber() const{return fChamber;} //chamber number
+ Float_t Eloss() const{return fEloss;} //energy lost by track inside amplification gap
+ TVector3 InX3() const{return fInX3;} //track position at the faceplane of the gap
+ TVector3 OutX3() const{return fOutX3;} //track position at the backplane of the gap
+ Double_t Length() const{return (fOutX3-fInX3).Mag();} //track length inside the amplification gap
+ void Print(Option_t *option="")const; //virtual
+protected:
+ Int_t fChamber; //chamber number
+ Double_t fEloss; //ionisation energy lost in GAP
+ TVector3 fInX3; //position at the entrance of the GAP
+ TVector3 fOutX3; //position at the exit of the GAP
+ ClassDef(AliRICHhit,2) //RICH hit class
+};//class AliRICHhit
+
+//__________________AliRICHdigit____________________________________________________________________
+class AliRICHdigit :public AliDigit
{
public:
- // Hit information keep
- Float_t fPhi; //Phi of the particle generating the hit
- Float_t fPs; //Momentum of the particle generating the hit
- Float_t fQ; //Charge of the particle
-
- // Generated cerenkov information (Z of generation stored in fZ of AliHit)
- Int_t fFirstCkov; //Index in the ckov TcloneArray of the first generated
- Int_t fLastCkov; //Here the last.
-
-public:
- AliRICHmip() {}
- AliRICHmip(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits,
- Int_t fNckovs, Int_t fNpadhits);
- virtual ~AliRICHmip() {}
-
- Float_t GetZ() { return fZ;}
- void SetX(Float_t x) { fX = x; }
- void SetY(Float_t y) { fY = y; }
- void SetZ(Float_t z) { fZ = z; }
- void SetLastCkov(Int_t last){ fLastCkov = last; }
- void SetModule(Int_t module){ fModule = module;}
- void SetTheta(Float_t theta){ fTheta = theta; }
- void SetPhi(Float_t phi) { fPhi = phi; }
-
- ClassDef(AliRICHmip,1) //Mip hits for RICH
-};
+ AliRICHdigit() {fChFbMip=fChamber=fPadX=fPadY=fTracks[0]=fTracks[1]=fTracks[2]=kBad;fQdc=kBad;}
+ AliRICHdigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t cpid,Int_t tid0,Int_t tid1,Int_t tid2)
+ {fPadX=x;fPadY=y;fQdc=q;fChamber=10*c+AliRICHParam::Sector(x,y);fChFbMip=cpid;fTracks[0]=tid0;fTracks[1]=tid1;fTracks[2]=tid2;}
+ virtual ~AliRICHdigit() {;}
+ Int_t Compare(const TObject *pObj) const
+ {if(Id()==((AliRICHdigit*)pObj)->Id())return 0;else if(Id()>((AliRICHdigit*)pObj)->Id())return 1;else return -1;} //virtual
+ Bool_t IsSortable() const{return kTRUE;} //virtual
+ void Print(Option_t *option="") const; //virtual
+ Int_t ChFbMi() const{return fChFbMip;} //particle mixture for this digit
+ Int_t C() const{return fChamber/10;} //chamber number
+ Int_t S() const{return fChamber-(fChamber/10)*10;} //sector number
+ Int_t X() const{return fPadX;} //x position of the pad
+ Int_t Y() const{return fPadY;} //y postion of the pad
+ Int_t Id() const{return fChamber*10000000+fPadX*1000+fPadY;} //absolute id of this pad
+ Double_t Q() const{return fQdc;} //charge in terms of ADC channels
+ Int_t Tid(Int_t i) const{return fTracks[i];} //track reference produced this digit
+ void AddTidOffset(Int_t offset)
+ {for (Int_t i=0; i<3; i++) if (fTracks[i]>0) fTracks[i]+=offset;};
+protected:
+ Int_t fChFbMip; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
+ Int_t fChamber; //10*chamber number+ sector number
+ Int_t fPadX; //pad number along X
+ Int_t fPadY; //pad number along Y
+ Double_t fQdc; //QDC value, fractions are permitted for summable procedure
+ ClassDef(AliRICHdigit,3) //RICH digit class
+};//class AliRICHdigit
-//_____________________________________________________________________________
-class AliRICHckov: public AliRICHhit
+//__________________AliRICHcluster__________________________________________________________________
+class AliRICHcluster :public TObject
{
public:
- // Hit information keep
- Float_t fEnergy; //Photon energy
- Int_t fStop; //Stop mechanism (cut, threshold, ...)
-
- //Parent info
- Int_t fParent; //Index in array of mips of parent which generatethis
-public:
- AliRICHckov() {}
- AliRICHckov(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits,
- Int_t fNmips, Int_t fNpadhits);
- virtual ~AliRICHckov() {}
-
- ClassDef(AliRICHckov,1) //Cerenkov hits for RICH
-};
+ enum ClusterStatus {kEdge,kShape,kSize,kRaw,kResolved};
+ AliRICHcluster() {fSize=fQdc=fStatus=fChamber=fDimXY=0;fX=fY=kBad;fDigits=0;}
+ virtual ~AliRICHcluster() {delete fDigits;}
+ AliRICHcluster& operator=(const AliRICHcluster&) {return *this;}
+ Int_t Nlocals() const{return fSize - 10000*(fSize/10000);} //
+ Int_t Size() const{return fSize/10000;} //
+ Int_t Fsize() const{return fSize;} //
+ Int_t DimXY() const{return fDimXY;} //
+ Int_t C() const{return fChamber/10;} //
+ Int_t S() const{return fChamber-(fChamber/10)*10;} //
+ Int_t Fchamber() const{return fChamber;} //
+ Int_t Q() const{return fQdc;} //
+ Double_t X() const{return fX;} //
+ Double_t Y() const{return fY;} //
+ Int_t Status() const{return fStatus;} //
+ void SetStatus(Int_t status) {fStatus=status;} //
+ Int_t Nmips() const{return fCombiPid-1000000*Ncerenkovs()-1000*Nfeedbacks();} //
+ Int_t Ncerenkovs() const{return fCombiPid/1000000;} //
+ Int_t Nfeedbacks() const{return (fCombiPid-1000000*Ncerenkovs())/1000;} //
+ Bool_t IsPureMip() const{return fCombiPid<1000;}
+ Bool_t IsPureCerenkov() const{return Nmips()==0&&Nfeedbacks()==0;} //
+ Bool_t IsPureFeedback() const{return Nmips()==0&&Ncerenkovs()==0;} //
+ Int_t CombiPid() const{return fCombiPid;} //
+ void SetCombiPid(Int_t ckov,Int_t feeds,Int_t mips) {fCombiPid=1000000*ckov+1000*feeds+mips;} //
+ void Fill(AliRICHcluster *pRaw,Double_t x,Double_t y, Double_t q, Int_t combipid)
+ {fCombiPid=combipid;fChamber=pRaw->Fchamber();fSize=pRaw->Fsize();
+ fQdc=(Int_t)(q*pRaw->Q());fX=x;fY=y;fStatus=kResolved;} //
+ TObjArray* Digits() const{return fDigits;} //
+ void Print(Option_t *option="")const; //virtual
+ inline void AddDigit(AliRICHdigit *pDig); //
+ inline void CoG(Int_t nLocals); //
+ void Reset() {fSize=fQdc=fStatus=fChamber=fDimXY=kBad;fX=fY=kBad;delete fDigits;fDigits=0;} //
+protected:
+ Int_t fCombiPid; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
+ Int_t fSize; //10000*(how many digits belong to this cluster) + nLocalMaxima
+ Int_t fDimXY; //100*xdim+ydim box containing the cluster
+ Int_t fQdc; //QDC value
+ Int_t fChamber; //10*module number+sector number
+ Double_t fX; //local x postion
+ Double_t fY; //local y postion
+ Int_t fStatus; //flag to mark the quality of the cluster
+ TObjArray *fDigits; //! list of digits forming this cluster
+ ClassDef(AliRICHcluster,2) //RICH cluster class
+};//class AliRICHcluster
+//__________________________________________________________________________________________________
+void AliRICHcluster::AddDigit(AliRICHdigit *pDig)
+{//
+ if(!fDigits) {fQdc=fSize=fCombiPid=0;fDigits = new TObjArray;}
+ fQdc+=(Int_t)pDig->Q(); fDigits->Add(pDig);
+ fChamber=10*pDig->C()+pDig->S();
+ fSize+=10000;
+}
+//__________________________________________________________________________________________________
+void AliRICHcluster::CoG(Int_t nLocals)
+{//
+ Int_t xmin=999,ymin=999,xmax=0,ymax=0;
+ fX=fY=0;
+ for(Int_t iDig=0;iDig<Size();iDig++) {
+ AliRICHdigit *pDig=(AliRICHdigit*)fDigits->At(iDig);
+ Int_t padX = pDig->X();Int_t padY = pDig->Y();Double_t q=pDig->Q();
+ TVector2 x2=AliRICHParam::Pad2Loc(padX,padY);
+ fX += x2.X()*q;fY +=x2.Y()*q;
+ if(padX<xmin)xmin=padX;if(padX>xmax)xmax=padX;if(padY<ymin)ymin=padY;if(padY>ymax)ymax=padY;
+ }
+ fX/=fQdc;fY/=fQdc;//Center of Gravity
+ fDimXY = 100*(xmax-xmin+1)+ymax-ymin+1;//find box containing cluster
+ fSize+=nLocals;
+ fStatus=kRaw;
+}//CoG()
+
-//_____________________________________________________________________________
-class AliRICHpadhit: public AliHit
+class AliRICHreco: public TObject
{
public:
- Int_t fVolume[2]; //array of volumes
-
- // Hit information
- Int_t fX; //Integer x position in pad
- Int_t fY; //Integer y position in pad
- Int_t fModule; //Module number
- // Particle info
- Int_t fParentMip; //Parent particle
- Int_t fParentCkov; //Parent CKOV
- // physics info
- Int_t fProd; //Production mechanism
- Float_t fCharge; //Charge deposited
+ AliRICHreco() {fTid=fNphotons=kBad; fThetaCherenkov=kBad;}
+ AliRICHreco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons) {fTid=tid;fThetaCherenkov=thetaCherenkov;fNphotons=nPhotons;}
-public:
- AliRICHpadhit(){}
- AliRICHpadhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits,
- Int_t fNmips,Int_t fNckovs);
- virtual ~AliRICHpadhit() {}
+ virtual ~AliRICHreco() {;}
+
+ void Print(Option_t *option="")const; //virtual print
- ClassDef(AliRICHpadhit,1) //Pad hits for RICH
-};
+protected:
+ Int_t fTid; // track Id reference
+ Int_t fNphotons; // number of photons contributed to the recontruction
+ Double_t fThetaCherenkov; // reconstructed Theta Cerenkov for a given charged track
-#endif
+ ClassDef(AliRICHreco,1) //RICH reco class
+};//class AliRICHreco
+//__________________AliRICH_________________________________________________________________________
+class AliRICHParam;
+class AliRICHChamber;
+class AliRICH : public AliDetector
+{
+public:
+ AliRICH();
+ AliRICH(const char *name, const char *title);
+ AliRICH(const AliRICH& RICH):AliDetector(RICH) {;} //copy ctor
+ virtual ~AliRICH();
+
+ AliRICH& operator=(const AliRICH&) {return *this;}
+//framework part
+ virtual Int_t IsVersion() const =0; //virtual
+ virtual void StepManager() =0; //virtual
+ void Hits2SDigits(); //virtual
+ AliDigitizer* CreateDigitizer(AliRunDigitizer* man) const {return new AliRICHDigitizer(man);} //virtual
+ void Print(Option_t *option)const; //virtual
+ void SetTreeAddress(); //virtual
+ void MakeBranch(Option_t *opt=" "); //virtual
+ void CreateMaterials(); //virtual
+ virtual void BuildGeometry(); //virtual
+ virtual void CreateGeometry(); //virtual
+//private part
+ Float_t AbsoCH4(Float_t x)const; //calculates absorption length for methane
+ Float_t Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const; //deals with Fresnel absorption
+ void GenerateFeedbacks(Int_t iChamber,Float_t eloss=0); //generates feedback photons; eloss=0 for photon
+ void CreateChambers(); //creates set of chambers
+ inline void CreateHits(); //create hits container as a simple list
+ inline void CreateSDigits(); //create sdigits container as a simple list
+ inline void CreateDigits(); //create digits container as 7 lists, one per chamber
+ inline void CreateClusters(); //create clusters container as 7 lists, one per chamber
+ inline void CreateRecos(); //create recos container
+// void ResetHits() {AliDetector::ResetHits();} //virtual
+ void ResetSDigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();}
+ void ResetDigits() {if(fDigitsNew)for(int i=0;i<kNCH;i++){fDigitsNew->At(i)->Clear();fNdigitsNew[i]=0;}} //virtual
+ void ResetClusters() {if(fClusters) for(int i=0;i<kNCH;i++){fClusters ->At(i)->Clear();fNclusters[i]=0;}}
+ void ResetRecos() {if(fRecos) fRecos->Clear();fNrecos=0;}
+ TClonesArray* SDigits() const{return fSdigits;}
+ TClonesArray* Digits(Int_t iC) const{if(fDigitsNew) return (TClonesArray *)fDigitsNew->At(iC-1);else return 0;}
+ TClonesArray* Clusters(Int_t iC) const{if(fClusters) return (TClonesArray *)fClusters->At(iC-1);else return 0;}
+ TClonesArray* Recos() const{return fRecos;}
+ AliRICHChamber* C(Int_t iC) const{return (AliRICHChamber*)fChambers->At(iC-1);}
+ AliRICHParam* P() const{return fpParam;}
+ void PrintDigits() const{for(Int_t i=0;i<kNCH;i++) fDigitsNew->At(i)->Print();}
+ void PrintClusters() const{for(Int_t i=0;i<kNCH;i++) fClusters->At(i)->Print();}
+
+ void AddHit(Int_t chamber,Int_t tid,TVector3 iX3,TVector3 oX3,Double_t eloss=0)
+ {TClonesArray &tmp=*fHits;new(tmp[fNhits++])AliRICHhit(chamber,tid,iX3,oX3,eloss);}
+ inline void AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid);
+ void AddDigit(int c,int x,int y,int q,int cfm,int *tid)
+ {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(c-1));new(tmp[fNdigitsNew[c-1]++])AliRICHdigit(c,x,y,q,cfm,tid[0],tid[1],tid[2]);}
+ void AddCluster(AliRICHcluster &cl)
+ {Int_t c=cl.C()-1;/*cout<<c<<endl*/;TClonesArray &tmp=*((TClonesArray*)fClusters->At(c));new(tmp[fNclusters[c]++])AliRICHcluster(cl);}
+ void AddReco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons)
+ {TClonesArray &tmp=*(TClonesArray*)fRecos;new(tmp[fNrecos++])AliRICHreco(tid,thetaCherenkov,nPhotons);}
+
+ virtual void Reconstruct() const;
+
+protected:
+ enum {kCSI=6,kGAP=9};
+ AliRICHParam *fpParam; //main RICH parametrization
+ TObjArray *fChambers; //list of RICH chambers
+
+ //fHits and fDigits belong to AliDetector
+ TClonesArray *fSdigits; //! List of sdigits
+ Int_t fNsdigits; //! Current number of sdigits
+
+ TObjArray *fDigitsNew; //! Each chamber holds it's one lists of digits
+ Int_t fNdigitsNew[kNCH]; //! Array of current numbers of digits
+
+ TObjArray *fClusters; //! Each chamber holds it's one lists of clusters
+ Int_t fNclusters[kNCH]; //! Array of current numbers of raw clusters
+
+ TClonesArray *fRecos; //! pointer to the list of recos
+ Int_t fNrecos; //! number of recos
+
+ ClassDef(AliRICH,5) //Main RICH class
+};//class AliRICH
+
+//__________________________________________________________________________________________________
+void AliRICH::CreateHits()
+{
+ if(fHits) return;
+ if(GetDebug())Info("CreateHits","creating hits container.");
+ fHits=new TClonesArray("AliRICHhit",10000); fNhits=0;
+}
+//__________________________________________________________________________________________________
+void AliRICH::CreateSDigits()
+{
+ if(fSdigits) return;
+ if(GetDebug())Info("CreateSDigits","creating sdigits container.");
+ fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0;
+}
+//__________________________________________________________________________________________________
+void AliRICH::CreateDigits()
+{
+ if(fDigitsNew) return;
+ if(GetDebug())Info("CreateDigits","creating digits containers.");
+ fDigitsNew = new TObjArray(kNCH);
+ for(Int_t i=0;i<kNCH;i++) {fDigitsNew->AddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;}
+}
+//__________________________________________________________________________________________________
+void AliRICH::CreateClusters()
+{
+ if(fClusters) return;
+ if(GetDebug())Info("CreateClusters","creating clusters containers.");
+ fClusters = new TObjArray(kNCH);
+ for(Int_t i=0;i<kNCH;i++) {fClusters->AddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;}
+}
+//__________________________________________________________________________________________________
+void AliRICH::CreateRecos()
+{
+ if(fRecos) return;
+ if(GetDebug())Info("CreateRecos","creating recos containers.");
+ fRecos = new TClonesArray("AliRICHreco",1000);fNrecos=0;
+}
+//__________________________________________________________________________________________________
+void AliRICH::AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid)
+{
+ switch(pid){
+ case 50000050: pid=1000000;break;//cerenkov
+ case 50000051: pid=1000; break;//feedback
+ default: pid=1; break;//mip
+ }
+ TClonesArray &tmp=*fSdigits;
+ new(tmp[fNsdigits++])AliRICHdigit(c,x,y,q,pid,tid,kBad,kBad);
+}//AddSDigit()
+//__________________________________________________________________________________________________
+#endif//#ifndef AliRICH_h