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Implementation of reconstructors (T.Kuhr)
[u/mrichter/AliRoot.git] / RICH / AliRICH.h
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2f614988 1#ifndef AliRICH_h
2#define AliRICH_h
2e5f0f7b 3
3da30618 4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
c11ee6f0 7#include <TObjArray.h>
853634d3 8#include <TClonesArray.h>
d4c94996 9#include <TVector3.h>
10#include <Riostream.h>
c11ee6f0 11#include <AliDetector.h>
853634d3 12#include <AliHit.h>
13#include <AliDigit.h>
3582c1f9 14#include "AliRICHDigitizer.h"
cb8189e7 15#include "AliRICHParam.h"
16
c021cb15 17//__________________AliRICHhit______________________________________________________________________
853634d3 18class AliRICHhit : public AliHit
19{
20public:
d4c94996 21 AliRICHhit():AliHit() {fChamber=kBad; fEloss=kBad; fInX3.SetXYZ(0,0,0);fOutX3.SetXYZ(0,0,0);}
22 AliRICHhit(Int_t c,Int_t tid,TVector3 in,TVector3 out,Double_t e):AliHit(0,tid)
23 {fChamber=c;fInX3=in; fOutX3=out;fEloss=e; fX=out.X();fY=out.Y();fZ=out.Z();}
24 virtual ~AliRICHhit() {;}
af3d25a6 25
d4c94996 26 Int_t C() const{return fChamber;} //chamber number
27 Int_t Chamber() const{return fChamber;} //chamber number
28 Float_t Eloss() const{return fEloss;} //energy lost by track inside amplification gap
29 TVector3 InX3() const{return fInX3;} //track position at the faceplane of the gap
30 TVector3 OutX3() const{return fOutX3;} //track position at the backplane of the gap
31 Double_t Length() const{return (fOutX3-fInX3).Mag();} //track length inside the amplification gap
32 void Print(Option_t *option="")const; //virtual
853634d3 33protected:
c021cb15 34 Int_t fChamber; //chamber number
d4c94996 35 Double_t fEloss; //ionisation energy lost in GAP
3582c1f9 36 TVector3 fInX3; //position at the entrance of the GAP
d4c94996 37 TVector3 fOutX3; //position at the exit of the GAP
ed3ceb24 38 ClassDef(AliRICHhit,2) //RICH hit class
853634d3 39};//class AliRICHhit
c021cb15 40
c021cb15 41//__________________AliRICHdigit____________________________________________________________________
853634d3 42class AliRICHdigit :public AliDigit
43{
44public:
d4c94996 45 AliRICHdigit() {fChFbMip=fChamber=fPadX=fPadY=fTracks[0]=fTracks[1]=fTracks[2]=kBad;fQdc=kBad;}
46 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)
47 {fPadX=x;fPadY=y;fQdc=q;fChamber=10*c+AliRICHParam::Sector(x,y);fChFbMip=cpid;fTracks[0]=tid0;fTracks[1]=tid1;fTracks[2]=tid2;}
853634d3 48 virtual ~AliRICHdigit() {;}
d4c94996 49 Int_t Compare(const TObject *pObj) const
50 {if(Id()==((AliRICHdigit*)pObj)->Id())return 0;else if(Id()>((AliRICHdigit*)pObj)->Id())return 1;else return -1;} //virtual
51 Bool_t IsSortable() const{return kTRUE;} //virtual
52 void Print(Option_t *option="") const; //virtual
53 Int_t ChFbMi() const{return fChFbMip;} //particle mixture for this digit
54 Int_t C() const{return fChamber/10;} //chamber number
55 Int_t S() const{return fChamber-(fChamber/10)*10;} //sector number
56 Int_t X() const{return fPadX;} //x position of the pad
57 Int_t Y() const{return fPadY;} //y postion of the pad
58 Int_t Id() const{return fChamber*10000000+fPadX*1000+fPadY;} //absolute id of this pad
59 Double_t Q() const{return fQdc;} //charge in terms of ADC channels
60 Int_t Tid(Int_t i) const{return fTracks[i];} //track reference produced this digit
89924db8 61 void AddTidOffset(Int_t offset)
62 {for (Int_t i=0; i<3; i++) if (fTracks[i]>0) fTracks[i]+=offset;};
853634d3 63protected:
d4c94996 64 Int_t fChFbMip; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
ed3ceb24 65 Int_t fChamber; //10*chamber number+ sector number
c1863e3c 66 Int_t fPadX; //pad number along X
67 Int_t fPadY; //pad number along Y
ed3ceb24 68 Double_t fQdc; //QDC value, fractions are permitted for summable procedure
d4c94996 69 ClassDef(AliRICHdigit,3) //RICH digit class
853634d3 70};//class AliRICHdigit
cbaf35fb 71
ed3ceb24 72//__________________AliRICHcluster__________________________________________________________________
c1863e3c 73class AliRICHcluster :public TObject
74{
75public:
6865fb8d 76 enum ClusterStatus {kEdge,kShape,kSize,kRaw,kResolved};
77 AliRICHcluster() {fSize=fQdc=fStatus=fChamber=fDimXY=0;fX=fY=kBad;fDigits=0;}
53fd478b 78 virtual ~AliRICHcluster() {delete fDigits;}
79 AliRICHcluster& operator=(const AliRICHcluster&) {return *this;}
6865fb8d 80 Int_t Nlocals() const{return fSize - 10000*(fSize/10000);} //
81 Int_t Size() const{return fSize/10000;} //
82 Int_t Fsize() const{return fSize;} //
cb8189e7 83 Int_t DimXY() const{return fDimXY;} //
84 Int_t C() const{return fChamber/10;} //
85 Int_t S() const{return fChamber-(fChamber/10)*10;} //
6865fb8d 86 Int_t Fchamber() const{return fChamber;} //
cb8189e7 87 Int_t Q() const{return fQdc;} //
88 Double_t X() const{return fX;} //
89 Double_t Y() const{return fY;} //
90 Int_t Status() const{return fStatus;} //
91 void SetStatus(Int_t status) {fStatus=status;} //
ed3ceb24 92 Int_t Nmips() const{return fCombiPid-1000000*Ncerenkovs()-1000*Nfeedbacks();} //
93 Int_t Ncerenkovs() const{return fCombiPid/1000000;} //
94 Int_t Nfeedbacks() const{return (fCombiPid-1000000*Ncerenkovs())/1000;} //
95 Bool_t IsPureMip() const{return fCombiPid<1000;}
96 Bool_t IsPureCerenkov() const{return Nmips()==0&&Nfeedbacks()==0;} //
97 Bool_t IsPureFeedback() const{return Nmips()==0&&Ncerenkovs()==0;} //
6865fb8d 98 Int_t CombiPid() const{return fCombiPid;} //
ed3ceb24 99 void SetCombiPid(Int_t ckov,Int_t feeds,Int_t mips) {fCombiPid=1000000*ckov+1000*feeds+mips;} //
6865fb8d 100 void Fill(AliRICHcluster *pRaw,Double_t x,Double_t y, Double_t q, Int_t combipid)
101 {fCombiPid=combipid;fChamber=pRaw->Fchamber();fSize=pRaw->Fsize();
102 fQdc=(Int_t)(q*pRaw->Q());fX=x;fY=y;fStatus=kResolved;} //
cb8189e7 103 TObjArray* Digits() const{return fDigits;} //
104 void Print(Option_t *option="")const; //virtual
105 inline void AddDigit(AliRICHdigit *pDig); //
6865fb8d 106 inline void CoG(Int_t nLocals); //
ed3ceb24 107 void Reset() {fSize=fQdc=fStatus=fChamber=fDimXY=kBad;fX=fY=kBad;delete fDigits;fDigits=0;} //
c1863e3c 108protected:
ed3ceb24 109 Int_t fCombiPid; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
6865fb8d 110 Int_t fSize; //10000*(how many digits belong to this cluster) + nLocalMaxima
c1863e3c 111 Int_t fDimXY; //100*xdim+ydim box containing the cluster
112 Int_t fQdc; //QDC value
113 Int_t fChamber; //10*module number+sector number
114 Double_t fX; //local x postion
115 Double_t fY; //local y postion
116 Int_t fStatus; //flag to mark the quality of the cluster
117 TObjArray *fDigits; //! list of digits forming this cluster
ed3ceb24 118 ClassDef(AliRICHcluster,2) //RICH cluster class
c1863e3c 119};//class AliRICHcluster
120//__________________________________________________________________________________________________
121void AliRICHcluster::AddDigit(AliRICHdigit *pDig)
cb8189e7 122{//
ed3ceb24 123 if(!fDigits) {fQdc=fSize=fCombiPid=0;fDigits = new TObjArray;}
cbaf35fb 124 fQdc+=(Int_t)pDig->Q(); fDigits->Add(pDig);
cb8189e7 125 fChamber=10*pDig->C()+pDig->S();
6865fb8d 126 fSize+=10000;
cbaf35fb 127}
128//__________________________________________________________________________________________________
6865fb8d 129void AliRICHcluster::CoG(Int_t nLocals)
cb8189e7 130{//
131 Int_t xmin=999,ymin=999,xmax=0,ymax=0;
cb8189e7 132 fX=fY=0;
133 for(Int_t iDig=0;iDig<Size();iDig++) {
134 AliRICHdigit *pDig=(AliRICHdigit*)fDigits->At(iDig);
135 Int_t padX = pDig->X();Int_t padY = pDig->Y();Double_t q=pDig->Q();
3582c1f9 136 TVector2 x2=AliRICHParam::Pad2Loc(padX,padY);
137 fX += x2.X()*q;fY +=x2.Y()*q;
cb8189e7 138 if(padX<xmin)xmin=padX;if(padX>xmax)xmax=padX;if(padY<ymin)ymin=padY;if(padY>ymax)ymax=padY;
cbaf35fb 139 }
cb8189e7 140 fX/=fQdc;fY/=fQdc;//Center of Gravity
141 fDimXY = 100*(xmax-xmin+1)+ymax-ymin+1;//find box containing cluster
6865fb8d 142 fSize+=nLocals;
cb8189e7 143 fStatus=kRaw;
144}//CoG()
d4c94996 145
146
af3d25a6 147class AliRICHreco: public TObject
148{
149public:
150 AliRICHreco() {fTid=fNphotons=kBad; fThetaCherenkov=kBad;}
151 AliRICHreco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons) {fTid=tid;fThetaCherenkov=thetaCherenkov;fNphotons=nPhotons;}
ed3ceb24 152
af3d25a6 153 virtual ~AliRICHreco() {;}
154
155 void Print(Option_t *option="")const; //virtual print
156
157protected:
158 Int_t fTid; // track Id reference
159 Int_t fNphotons; // number of photons contributed to the recontruction
160 Double_t fThetaCherenkov; // reconstructed Theta Cerenkov for a given charged track
161
162 ClassDef(AliRICHreco,1) //RICH reco class
163
164};//class AliRICHreco
d4c94996 165
c021cb15 166//__________________AliRICH_________________________________________________________________________
3ea9cb08 167class AliRICHParam;
ed3ceb24 168class AliRICHChamber;
3ea9cb08 169
2f614988 170class AliRICH : public AliDetector
171{
2f614988 172public:
853634d3 173 AliRICH();
af3d25a6 174 AliRICH(const char *name, const char *title);
d4c94996 175 AliRICH(const AliRICH& RICH):AliDetector(RICH) {;} //copy ctor
853634d3 176 virtual ~AliRICH();
dfb4e77d 177
942194a4 178 AliRICH& operator=(const AliRICH&) {return *this;}
d4c94996 179//framework part
180 virtual Int_t IsVersion() const =0; //virtual
181 virtual void StepManager() =0; //virtual
c60862bf 182 void Hits2SDigits(); //virtual
3582c1f9 183 AliDigitizer* CreateDigitizer(AliRunDigitizer* man) const {return new AliRICHDigitizer(man);} //virtual
d4c94996 184 void Print(Option_t *option)const; //virtual
185 void SetTreeAddress(); //virtual
186 void MakeBranch(Option_t *opt=" "); //virtual
187 void CreateMaterials(); //virtual
188 virtual void BuildGeometry(); //virtual
189 virtual void CreateGeometry(); //virtual
190//private part
191 Float_t AbsoCH4(Float_t x)const; //calculates absorption length for methane
192 Float_t Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const; //deals with Fresnel absorption
193 void GenerateFeedbacks(Int_t iChamber,Float_t eloss=0); //generates feedback photons; eloss=0 for photon
194 void CreateChambers(); //creates set of chambers
195 inline void CreateHits(); //create hits container as a simple list
196 inline void CreateSDigits(); //create sdigits container as a simple list
197 inline void CreateDigits(); //create digits container as 7 lists, one per chamber
198 inline void CreateClusters(); //create clusters container as 7 lists, one per chamber
199 inline void CreateRecos(); //create recos container
200// void ResetHits() {AliDetector::ResetHits();} //virtual
201 void ResetSDigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();}
202 void ResetDigits() {if(fDigitsNew)for(int i=0;i<kNCH;i++){fDigitsNew->At(i)->Clear();fNdigitsNew[i]=0;}} //virtual
203 void ResetClusters() {if(fClusters) for(int i=0;i<kNCH;i++){fClusters ->At(i)->Clear();fNclusters[i]=0;}}
204 void ResetRecos() {if(fRecos) fRecos->Clear();fNrecos=0;}
c1863e3c 205 TClonesArray* SDigits() const{return fSdigits;}
543d5224 206 TClonesArray* Digits(Int_t iC) const{if(fDigitsNew) return (TClonesArray *)fDigitsNew->At(iC-1);else return 0;}
c60862bf 207 TClonesArray* Clusters(Int_t iC) const{if(fClusters) return (TClonesArray *)fClusters->At(iC-1);else return 0;}
af3d25a6 208 TClonesArray* Recos() const{return fRecos;}
c60862bf 209 AliRICHChamber* C(Int_t iC) const{return (AliRICHChamber*)fChambers->At(iC-1);}
ed3ceb24 210 AliRICHParam* P() const{return fpParam;}
d4c94996 211 void PrintDigits() const{for(Int_t i=0;i<kNCH;i++) fDigitsNew->At(i)->Print();}
212 void PrintClusters() const{for(Int_t i=0;i<kNCH;i++) fClusters->At(i)->Print();}
c60862bf 213
d4c94996 214 void AddHit(Int_t chamber,Int_t tid,TVector3 iX3,TVector3 oX3,Double_t eloss=0)
215 {TClonesArray &tmp=*fHits;new(tmp[fNhits++])AliRICHhit(chamber,tid,iX3,oX3,eloss);}
216 inline void AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid);
217 void AddDigit(int c,int x,int y,int q,int cfm,int *tid)
218 {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(c-1));new(tmp[fNdigitsNew[c-1]++])AliRICHdigit(c,x,y,q,cfm,tid[0],tid[1],tid[2]);}
219 void AddCluster(AliRICHcluster &cl)
89924db8 220 {Int_t c=cl.C()-1;/*cout<<c<<endl*/;TClonesArray &tmp=*((TClonesArray*)fClusters->At(c));new(tmp[fNclusters[c]++])AliRICHcluster(cl);}
d4c94996 221 void AddReco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons)
222 {TClonesArray &tmp=*(TClonesArray*)fRecos;new(tmp[fNrecos++])AliRICHreco(tid,thetaCherenkov,nPhotons);}
223
c60862bf 224protected:
d4c94996 225 enum {kCSI=6,kGAP=9};
c021cb15 226 AliRICHParam *fpParam; //main RICH parametrization
227 TObjArray *fChambers; //list of RICH chambers
d4c94996 228
229 //fHits and fDigits belong to AliDetector
c60862bf 230 TClonesArray *fSdigits; //! List of sdigits
aed240d4 231 Int_t fNsdigits; //! Current number of sdigits
84365c70 232
c60862bf 233 TObjArray *fDigitsNew; //! Each chamber holds it's one lists of digits
aed240d4 234 Int_t fNdigitsNew[kNCH]; //! Array of current numbers of digits
84365c70 235
c60862bf 236 TObjArray *fClusters; //! Each chamber holds it's one lists of clusters
aed240d4 237 Int_t fNclusters[kNCH]; //! Array of current numbers of raw clusters
84365c70 238
af3d25a6 239 TClonesArray *fRecos; //! pointer to the list of recos
240 Int_t fNrecos; //! number of recos
c60862bf 241
84365c70 242 ClassDef(AliRICH,5) //Main RICH class
c60862bf 243};//class AliRICH
ed3ceb24 244
c1863e3c 245//__________________________________________________________________________________________________
c60862bf 246void AliRICH::CreateHits()
247{
248 if(fHits) return;
249 if(GetDebug())Info("CreateHits","creating hits container.");
250 fHits=new TClonesArray("AliRICHhit",10000); fNhits=0;
543d5224 251}
c60862bf 252//__________________________________________________________________________________________________
c1863e3c 253void AliRICH::CreateSDigits()
c60862bf 254{
255 if(fSdigits) return;
c1863e3c 256 if(GetDebug())Info("CreateSDigits","creating sdigits container.");
c60862bf 257 fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0;
543d5224 258}
c60862bf 259//__________________________________________________________________________________________________
260void AliRICH::CreateDigits()
261{
262 if(fDigitsNew) return;
263 if(GetDebug())Info("CreateDigits","creating digits containers.");
264 fDigitsNew = new TObjArray(kNCH);
265 for(Int_t i=0;i<kNCH;i++) {fDigitsNew->AddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;}
543d5224 266}
c60862bf 267//__________________________________________________________________________________________________
268void AliRICH::CreateClusters()
269{
270 if(fClusters) return;
271 if(GetDebug())Info("CreateClusters","creating clusters containers.");
272 fClusters = new TObjArray(kNCH);
273 for(Int_t i=0;i<kNCH;i++) {fClusters->AddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;}
543d5224 274}
ed3ceb24 275//__________________________________________________________________________________________________
af3d25a6 276void AliRICH::CreateRecos()
277{
278 if(fRecos) return;
279 if(GetDebug())Info("CreateRecos","creating recos containers.");
280 fRecos = new TClonesArray("AliRICHreco",1000);fNrecos=0;
281}
282//__________________________________________________________________________________________________
3582c1f9 283void AliRICH::AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid)
ed3ceb24 284{
285 switch(pid){
3582c1f9 286 case 50000050: pid=1000000;break;//cerenkov
287 case 50000051: pid=1000; break;//feedback
288 default: pid=1; break;//mip
ed3ceb24 289 }
290 TClonesArray &tmp=*fSdigits;
291 new(tmp[fNsdigits++])AliRICHdigit(c,x,y,q,pid,tid,kBad,kBad);
292}//AddSDigit()
d4c94996 293//__________________________________________________________________________________________________
c60862bf 294#endif//#ifndef AliRICH_h