#ifndef AliRICH_h #define AliRICH_h /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ #include #include #include #include #include #include "AliRICHDigitizer.h" #include "AliRICHParam.h" #include #include #include //__________________AliRICHhit______________________________________________________________________ class AliRICHhit : public AliHit { public: 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() {;} 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: AliRICHdigit():AliDigit(),fCFM(0),fChamber(0),fPadX(0),fPadY(0),fQdc(kBad){fTracks[0]=fTracks[1]=fTracks[2]=kBad;} AliRICHdigit(Int_t c,TVector pad,Double_t q,Int_t cfm,Int_t tid0,Int_t tid1,Int_t tid2) {fPadX=(Int_t)pad[0];fPadY=(Int_t)pad[1];fQdc=q;fChamber=10*c+AliRICHParam::Pad2Sec(pad);fCFM=cfm;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 virtual Bool_t IsSortable() const{return kTRUE;} //sort interface virtual void Print(Option_t *option="") const; //virtual Int_t ChFbMi() const{return fCFM;} //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 TVector Pad() const{Float_t v[2]={fPadX,fPadY}; return TVector(2,v);} 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 void AddTidOffset(Int_t offset) {for (Int_t i=0; i<3; i++) if (fTracks[i]>0) fTracks[i]+=offset;}; protected: Int_t fCFM; //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 //__________________AliRICHcluster__________________________________________________________________ class AliRICHcluster :public TObject { public: enum ClusterStatus {kEdge,kShape,kSize,kRaw,kResolved,kEmpty=kBad}; AliRICHcluster():TObject(),fCFM(0),fSize(0),fShape(0),fQdc(0),fChamber(0),fX(0),fY(0),fStatus(kEmpty),fDigits(0) {} virtual ~AliRICHcluster() {AliDebug(1,"Start");/*Reset();*/} void Reset() {DeleteDigits();fCFM=fSize=fShape=fQdc=fChamber=0;fX=fY=0;fStatus=kEmpty;} //cleans the cluster void DeleteDigits() {if(fDigits) {delete fDigits;} fDigits=0;} //deletes the list of digits AliRICHcluster& operator=(const AliRICHcluster&) {return *this;} Int_t Nlocals() const{return fSize-10000*(fSize/10000);} //number of local maximums Int_t Size() const{return fSize/10000;} //number of digits in cluster Int_t Fsize() const{return fSize;} // Int_t Shape() const{return fShape;} //cluster shape rectangulare Int_t C() const{return fChamber/10;} //chamber number Int_t S() const{return fChamber-(fChamber/10)*10;} //sector number Int_t Fchamber() const{return fChamber;} // Int_t Q() const{return fQdc;} //cluster charge in QDC channels Double_t X() const{return fX;} //cluster x position in LRS Double_t Y() const{return fY;} //cluster y position in LRS Int_t Status() const{return fStatus;} // void SetStatus(Int_t status) {fStatus=status;} // Int_t Nmips() const{return fCFM-1000000*Ncerenkovs()-1000*Nfeedbacks();} // Int_t Ncerenkovs() const{return fCFM/1000000;} // Int_t Nfeedbacks() const{return (fCFM-1000000*Ncerenkovs())/1000;} // Bool_t IsPureMip() const{return fCFM<1000;} // Bool_t IsPureCerenkov() const{return Nmips()==0&&Nfeedbacks()==0;} // Bool_t IsPureFeedback() const{return Nmips()==0&&Ncerenkovs()==0;} // Bool_t IsSingleMip() const{return Nmips()==1&&Ncerenkovs()==0&&Nfeedbacks()==0;} // Bool_t IsSingleCerenkov() const{return Nmips()==0&&Ncerenkovs()==1&&Nfeedbacks()==0;} // Bool_t IsSingleFeedback() const{return Nmips()==0&&Ncerenkovs()==0&&Nfeedbacks()==1;} // Bool_t IsMip() const{return Nmips()!=0;} // Bool_t IsCerenkov() const{return Ncerenkovs()!=0;} // Bool_t IsFeedback() const{return Nfeedbacks()!=0;} // Int_t CombiPid() const{return fCFM;} // void CFM(Int_t c,Int_t f,Int_t m) {fCFM=1000000*c+1000*f+m;} //cluster contributors TObjArray* Digits() const{return fDigits;} // virtual void Print(Option_t *option="")const; // inline void AddDigit(AliRICHdigit *pDig); // inline void CoG(Int_t nLocals); //calculates center of gravity void Fill(AliRICHcluster *pRaw,Double_t x,Double_t y,Double_t q,Int_t cfm) //form new resolved cluster from raw one {fCFM=cfm;fChamber=pRaw->Fchamber();fSize=pRaw->Fsize();fQdc=(Int_t)(q*pRaw->Q());fX=x;fY=y;fStatus=kResolved;} Double_t DistTo(TVector2 x) const{return TMath::Sqrt((x.X()-fX)*(x.X()-fX)+(x.Y()-fY)*(x.Y()-fY));} //distance to given point protected: Int_t fCFM; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips Int_t fSize; //10000*(how many digits belong to this cluster) + nLocalMaxima Int_t fShape; //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) { // Adds a given digit to the list of digits belonging to this cluster if(!fDigits) {fQdc=fSize=fCFM=0;fDigits = new TObjArray;} fQdc+=(Int_t)pDig->Q(); fDigits->Add(pDig); fChamber=10*pDig->C()+pDig->S(); fSize+=10000; fStatus=kRaw; } //__________________________________________________________________________________________________ void AliRICHcluster::CoG(Int_t nLocals) { // Calculates naive cluster position as a center of gravity of its digits. Float_t xmin=999,ymin=999,xmax=0,ymax=0; fX=fY=0; for(Int_t iDig=0;iDigAt(iDig); TVector pad=pDig->Pad(); Double_t q=pDig->Q(); TVector2 x2=AliRICHParam::Pad2Loc(pad); fX += x2.X()*q;fY +=x2.Y()*q; if(pad[0]xmax)xmax=pad[0];if(pad[1]ymax)ymax=pad[1]; } fX/=fQdc;fY/=fQdc;//Center of Gravity fShape=Int_t(100*(xmax-xmin+1)+ymax-ymin+1);//find box containing cluster fSize+=nLocals; fStatus=kRaw; }//CoG() //__________________AliRICH_________________________________________________________________________ class AliESD; 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; //interface from virtual void StepManager() =0; //interface from AliMC virtual void Hits2SDigits(); //interface from AliSimulation virtual AliDigitizer* CreateDigitizer(AliRunDigitizer* man) const {return new AliRICHDigitizer(man);} //interface from AliSimulation // virtual void Reconstruct() const; //interface from AliReconstruction // virtual void FillESD(AliESD *pESD) const; //interface from AliReconstruction virtual void SetTreeAddress(); //interface from AliLoader virtual void MakeBranch(Option_t *opt=" "); //interface from AliLoader virtual void CreateMaterials(); //interface from AliMC virtual void CreateGeometry(); //interface from AliMC virtual void BuildGeometry(); //interface //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 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 // void ResetHits() {AliDetector::ResetHits();} //virtual void ResetSDigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();} void ResetDigits() {if(fDigitsNew)for(int i=0;iAt(i)->Clear();fNdigitsNew[i]=0;}} //virtual void ResetClusters() {if(fClusters) for(int i=0;iAt(i)->Clear();fNclusters[i]=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;} AliRICHChamber* C(Int_t iC) const{return fpParam->C(iC);} //provides pointer to a given chamber AliRICHParam* P() const{return fpParam;} //provides pointer to a RICH params AliRICH* R() {return this;} //provides pointer to RICH main object TVector Counters() const{return fCounters;} //provides a set of counters void ControlPlots(); //utility virtual void Print(Option_t *option="") const; //prints current RICH status void PrintHits (Int_t iEvent=0); //utility void PrintSDigits (Int_t iEvent=0); //utility void PrintDigits (Int_t iEvent=0); //utility void PrintClusters(Int_t iEvent=0); //utility void PrintTracks (Int_t iEvent=0); //utility void AddHit(Int_t c,Int_t tid,TVector3 i3,TVector3 o3,Double_t eloss=0){TClonesArray &tmp=*fHits;new(tmp[fNhits++])AliRICHhit(c,tid,i3,o3,eloss);} inline void AddSDigit(Int_t c,TVector pad,Double_t q,Int_t pid,Int_t tid); void AddDigit(int c,TVector pad,int q,int cfm,int *tid)//Add simulated digit {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(c-1));new(tmp[fNdigitsNew[c-1]++])AliRICHdigit(c,pad,q,cfm,tid[0],tid[1],tid[2]);} void AddDigit(Int_t c,TVector pad,Int_t q)//for real data digits {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(0));new(tmp[fNdigitsNew[0]++])AliRICHdigit(c,pad,q,0,-1,-1,-1);} void AddCluster(AliRICHcluster &cl) {Int_t c=cl.C()-1;TClonesArray &tmp=*((TClonesArray*)fClusters->At(c));new(tmp[fNclusters[c]++])AliRICHcluster(cl);} AliRICHhit* Hit(Int_t tid); //returns pointer ot RICH hit for a given tid protected: enum {kAir=1,kRoha,kSiO2,kC6F14,kCH4,kCsI,kGridCu,kOpSiO2,kGap,kAl,kGlass,kCu,kW,kSteel,kPerpex,kSr90}; AliRICHParam *fpParam; //main RICH parametrization //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[kNchambers]; //! array of current numbers of digits TObjArray *fClusters; //! each chamber holds it's one lists of clusters Int_t fNclusters[kNchambers]; //! array of current numbers of raw clusters TVector fCounters; //Photon history conters, explanation in StepManager() ClassDef(AliRICH,7) //Main RICH class };//class AliRICH //__________________________________________________________________________________________________ void AliRICH::CreateHits() { if(fHits) return; AliDebug(1,"creating hits container."); fHits=new TClonesArray("AliRICHhit",10000); fNhits=0; } //__________________________________________________________________________________________________ void AliRICH::CreateSDigits() { if(fSdigits) return; AliDebug(1,"creating sdigits container."); fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0; } //__________________________________________________________________________________________________ void AliRICH::CreateDigits() { if(fDigitsNew) return; AliDebug(1,"creating digits containers."); fDigitsNew = new TObjArray(kNchambers); for(Int_t i=0;iAddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;} } //__________________________________________________________________________________________________ void AliRICH::CreateClusters() { if(fClusters) return; AliDebug(1,"creating clusters containers."); fClusters = new TObjArray(kNchambers); for(Int_t i=0;iAddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;} } //__________________________________________________________________________________________________ void AliRICH::AddSDigit(Int_t c,TVector pad,Double_t q,Int_t pid,Int_t tid) { Int_t cfm; switch(pid){ case 50000050: cfm=1000000;break;//cerenkov case 50000051: cfm=1000; break;//feedback default: cfm=1; break;//mip } TClonesArray &tmp=*fSdigits; new(tmp[fNsdigits++])AliRICHdigit(c,pad,q,cfm,tid,kBad,kBad); } //__________________________________________________________________________________________________ #endif//#ifndef AliRICH_h