]> git.uio.no Git - u/mrichter/AliRoot.git/blame - RICH/AliRICH.h
version 3 and all the old provision for that deleted. New default is version 1
[u/mrichter/AliRoot.git] / RICH / AliRICH.h
CommitLineData
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>
c021cb15 9#include <TLorentzVector.h>
c11ee6f0 10#include <AliDetector.h>
853634d3 11#include <AliHit.h>
12#include <AliDigit.h>
3582c1f9 13#include "AliRICHDigitizer.h"
cb8189e7 14#include "AliRICHParam.h"
15
c021cb15 16//__________________AliRICHhit______________________________________________________________________
853634d3 17class AliRICHhit : public AliHit
18{
19public:
3582c1f9 20 AliRICHhit():AliHit() {fChamber=fPid=kBad; fEloss=kBad; fInX3.SetXYZ(0,0,0);fOutX3.SetXYZ(0,0,0);
21 fMomX=fMomY=fMomZ=fNPads=fCerenkovAngle=fMomFreoX=fMomFreoY=fMomFreoZ=kBad;}
22 AliRICHhit(Int_t c,Int_t tid,TVector3 in,TVector3 out,Double_t e):AliHit(0,tid) {fInX3=in; fOutX3=out; fChamber=c; fEloss=e;
23 fX=out.X();fY=out.Y();fZ=out.Z();
24 fPid=kBad;fMomX=fMomY=fMomZ=fNPads=fCerenkovAngle=fMomFreoX=fMomFreoY=fMomFreoZ=kBad;}
25 inline AliRICHhit(Int_t fIshunt, Int_t track, Int_t *vol, Float_t *hits); //old version 3 ?????
853634d3 26 virtual ~AliRICHhit() {;}
af3d25a6 27
53fd478b 28 Int_t C() const{return fChamber;}
29 Int_t Chamber() const{return fChamber;}
30 Int_t Pid() const{return fPid;}
31 Int_t Particle() const{return fPid;}
53fd478b 32 Float_t Eloss() const{return fEloss;}
53fd478b 33 Float_t MomX() const{return fMomX;}
34 Float_t MomY() const{return fMomY;}
35 Float_t MomZ() const{return fMomZ;}
36 Float_t CerenkovAngle() const{return fCerenkovAngle;}
37 Float_t MomFreoX() const{return fMomFreoX;}
38 Float_t MomFreoY() const{return fMomFreoY;}
39 Float_t MomFreoZ() const{return fMomFreoZ;}
6865fb8d 40 TVector3 InX3() const{return fInX3;}
41 TVector3 OutX3() const{return fOutX3;}
3582c1f9 42 Double_t Length() const{return (fOutX3-fInX3).Mag();}
543d5224 43 void Print(Option_t *option="")const; //virtual
853634d3 44protected:
c021cb15 45 Int_t fChamber; //chamber number
c60862bf 46 Int_t fPid; //particle code
3582c1f9 47 Double_t fEloss; //ionisation energy loss in GAP
c021cb15 48 Float_t fMomX,fMomY,fMomZ; //momentum at photochatode entry point
af3d25a6 49 Float_t fNPads; //Pads hit
50 Float_t fCerenkovAngle; //Dummy cerenkov angle
c021cb15 51 Float_t fMomFreoX,fMomFreoY,fMomFreoZ; //momentum at freon entry point
3582c1f9 52 TVector3 fInX3; //position at the entrance of the GAP
53 TVector3 fOutX3; //position at exit of the GAP
ed3ceb24 54 ClassDef(AliRICHhit,2) //RICH hit class
853634d3 55};//class AliRICHhit
c021cb15 56//__________________________________________________________________________________________________
ed3ceb24 57AliRICHhit::AliRICHhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hit)
58 :AliHit(shunt, track)
3582c1f9 59{
60// old ctor to be deleted
853634d3 61 fChamber=vol[0];
c60862bf 62 fPid=(Int_t)hit[0];
c021cb15 63 fX=hit[1];fY=hit[2];fZ=hit[3];
c021cb15 64 fEloss=hit[7];
c021cb15 65 fMomX=hit[14];fMomY=hit[15];fMomZ=hit[16];
c021cb15 66 fCerenkovAngle=hit[18];
67 fMomFreoX=hit[19];fMomFreoY=hit[20];fMomFreoZ=hit[21];
bc3c4bbf 68}
c021cb15 69
c021cb15 70//__________________AliRICHdigit____________________________________________________________________
853634d3 71class AliRICHdigit :public AliDigit
72{
73public:
ed3ceb24 74 AliRICHdigit() {fCombiPid=fChamber=fPadX=fPadY=fTracks[0]=fTracks[1]=fTracks[2]=kBad;fQdc=kBad;}
75 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)
3582c1f9 76 {fPadX=x;fPadY=y;fQdc=q;fChamber=10*c+AliRICHParam::Sector(x,y);fCombiPid=cpid;fTracks[0]=tid0;fTracks[1]=tid1;fTracks[2]=tid2;}
853634d3 77 virtual ~AliRICHdigit() {;}
ed3ceb24 78 Int_t Compare(const TObject *pObj) const //virtual
79 {if(Id()==((AliRICHdigit*)pObj)->Id()) return 0; else if(Id()>((AliRICHdigit*)pObj)->Id()) return 1; else return -1;}
80
c1863e3c 81 Bool_t IsSortable() const{return kTRUE;}//virtual
ed3ceb24 82 Int_t CombiPid() const{return fCombiPid;}
cb8189e7 83 Int_t C() const{return fChamber/10;}
84 Int_t S() const{return fChamber-(fChamber/10)*10;}
85 Int_t Chamber() const{return C();}
86 Int_t Sector() const{return S();}
c1863e3c 87 Int_t X() const{return fPadX;}
88 Int_t Y() const{return fPadY;}
cb8189e7 89 Int_t Id() const{return fChamber*10000000+fPadX*1000+fPadY;}
c1863e3c 90 Double_t Q() const{return fQdc;}
ed3ceb24 91 Int_t Tid(Int_t i) const{return fTracks[i];}
cb8189e7 92 void Print(Option_t *option="")const; //virtual
853634d3 93protected:
ed3ceb24 94 Int_t fCombiPid; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
95 Int_t fChamber; //10*chamber number+ sector number
c1863e3c 96 Int_t fPadX; //pad number along X
97 Int_t fPadY; //pad number along Y
ed3ceb24 98 Double_t fQdc; //QDC value, fractions are permitted for summable procedure
99 ClassDef(AliRICHdigit,2) //RICH digit class
853634d3 100};//class AliRICHdigit
cbaf35fb 101
ed3ceb24 102//__________________AliRICHcluster__________________________________________________________________
c1863e3c 103class AliRICHcluster :public TObject
104{
105public:
6865fb8d 106 enum ClusterStatus {kEdge,kShape,kSize,kRaw,kResolved};
107 AliRICHcluster() {fSize=fQdc=fStatus=fChamber=fDimXY=0;fX=fY=kBad;fDigits=0;}
53fd478b 108 virtual ~AliRICHcluster() {delete fDigits;}
109 AliRICHcluster& operator=(const AliRICHcluster&) {return *this;}
6865fb8d 110 Int_t Nlocals() const{return fSize - 10000*(fSize/10000);} //
111 Int_t Size() const{return fSize/10000;} //
112 Int_t Fsize() const{return fSize;} //
cb8189e7 113 Int_t DimXY() const{return fDimXY;} //
114 Int_t C() const{return fChamber/10;} //
115 Int_t S() const{return fChamber-(fChamber/10)*10;} //
6865fb8d 116 Int_t Fchamber() const{return fChamber;} //
cb8189e7 117 Int_t Chamber() const{return C();} //
118 Int_t Sector() const{return S();} //
119 Int_t Q() const{return fQdc;} //
120 Double_t X() const{return fX;} //
121 Double_t Y() const{return fY;} //
122 Int_t Status() const{return fStatus;} //
123 void SetStatus(Int_t status) {fStatus=status;} //
ed3ceb24 124 Int_t Nmips() const{return fCombiPid-1000000*Ncerenkovs()-1000*Nfeedbacks();} //
125 Int_t Ncerenkovs() const{return fCombiPid/1000000;} //
126 Int_t Nfeedbacks() const{return (fCombiPid-1000000*Ncerenkovs())/1000;} //
127 Bool_t IsPureMip() const{return fCombiPid<1000;}
128 Bool_t IsPureCerenkov() const{return Nmips()==0&&Nfeedbacks()==0;} //
129 Bool_t IsPureFeedback() const{return Nmips()==0&&Ncerenkovs()==0;} //
6865fb8d 130 Int_t CombiPid() const{return fCombiPid;} //
ed3ceb24 131 void SetCombiPid(Int_t ckov,Int_t feeds,Int_t mips) {fCombiPid=1000000*ckov+1000*feeds+mips;} //
6865fb8d 132 void Fill(AliRICHcluster *pRaw,Double_t x,Double_t y, Double_t q, Int_t combipid)
133 {fCombiPid=combipid;fChamber=pRaw->Fchamber();fSize=pRaw->Fsize();
134 fQdc=(Int_t)(q*pRaw->Q());fX=x;fY=y;fStatus=kResolved;} //
cb8189e7 135 TObjArray* Digits() const{return fDigits;} //
136 void Print(Option_t *option="")const; //virtual
137 inline void AddDigit(AliRICHdigit *pDig); //
6865fb8d 138 inline void CoG(Int_t nLocals); //
ed3ceb24 139 void Reset() {fSize=fQdc=fStatus=fChamber=fDimXY=kBad;fX=fY=kBad;delete fDigits;fDigits=0;} //
c1863e3c 140protected:
ed3ceb24 141 Int_t fCombiPid; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips
6865fb8d 142 Int_t fSize; //10000*(how many digits belong to this cluster) + nLocalMaxima
c1863e3c 143 Int_t fDimXY; //100*xdim+ydim box containing the cluster
144 Int_t fQdc; //QDC value
145 Int_t fChamber; //10*module number+sector number
146 Double_t fX; //local x postion
147 Double_t fY; //local y postion
148 Int_t fStatus; //flag to mark the quality of the cluster
149 TObjArray *fDigits; //! list of digits forming this cluster
ed3ceb24 150 ClassDef(AliRICHcluster,2) //RICH cluster class
c1863e3c 151};//class AliRICHcluster
152//__________________________________________________________________________________________________
153void AliRICHcluster::AddDigit(AliRICHdigit *pDig)
cb8189e7 154{//
ed3ceb24 155 if(!fDigits) {fQdc=fSize=fCombiPid=0;fDigits = new TObjArray;}
cbaf35fb 156 fQdc+=(Int_t)pDig->Q(); fDigits->Add(pDig);
cb8189e7 157 fChamber=10*pDig->C()+pDig->S();
6865fb8d 158 fSize+=10000;
cbaf35fb 159}
160//__________________________________________________________________________________________________
6865fb8d 161void AliRICHcluster::CoG(Int_t nLocals)
cb8189e7 162{//
163 Int_t xmin=999,ymin=999,xmax=0,ymax=0;
cb8189e7 164 fX=fY=0;
165 for(Int_t iDig=0;iDig<Size();iDig++) {
166 AliRICHdigit *pDig=(AliRICHdigit*)fDigits->At(iDig);
167 Int_t padX = pDig->X();Int_t padY = pDig->Y();Double_t q=pDig->Q();
3582c1f9 168 TVector2 x2=AliRICHParam::Pad2Loc(padX,padY);
169 fX += x2.X()*q;fY +=x2.Y()*q;
cb8189e7 170 if(padX<xmin)xmin=padX;if(padX>xmax)xmax=padX;if(padY<ymin)ymin=padY;if(padY>ymax)ymax=padY;
cbaf35fb 171 }
cb8189e7 172 fX/=fQdc;fY/=fQdc;//Center of Gravity
173 fDimXY = 100*(xmax-xmin+1)+ymax-ymin+1;//find box containing cluster
6865fb8d 174 fSize+=nLocals;
cb8189e7 175 fStatus=kRaw;
176}//CoG()
3582c1f9 177//__________________________________________________________________________________________________
af3d25a6 178class AliRICHreco: public TObject
179{
180public:
181 AliRICHreco() {fTid=fNphotons=kBad; fThetaCherenkov=kBad;}
182 AliRICHreco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons) {fTid=tid;fThetaCherenkov=thetaCherenkov;fNphotons=nPhotons;}
ed3ceb24 183
af3d25a6 184 virtual ~AliRICHreco() {;}
185
186 void Print(Option_t *option="")const; //virtual print
187
188protected:
189 Int_t fTid; // track Id reference
190 Int_t fNphotons; // number of photons contributed to the recontruction
191 Double_t fThetaCherenkov; // reconstructed Theta Cerenkov for a given charged track
192
193 ClassDef(AliRICHreco,1) //RICH reco class
194
195};//class AliRICHreco
c021cb15 196//__________________AliRICH_________________________________________________________________________
3ea9cb08 197class AliRICHParam;
ed3ceb24 198class AliRICHChamber;
3ea9cb08 199
2f614988 200class AliRICH : public AliDetector
201{
2f614988 202public:
853634d3 203 AliRICH();
af3d25a6 204 AliRICH(const char *name, const char *title);
942194a4 205 AliRICH(const AliRICH& RICH):AliDetector(RICH) {;}
853634d3 206 virtual ~AliRICH();
dfb4e77d 207
942194a4 208 AliRICH& operator=(const AliRICH&) {return *this;}
c60862bf 209 virtual Int_t IsVersion() const =0;
210 void Hits2SDigits(); //virtual
3582c1f9 211 AliDigitizer* CreateDigitizer(AliRunDigitizer* man) const {return new AliRICHDigitizer(man);} //virtual
c021cb15 212
c60862bf 213 inline void CreateHits();
c1863e3c 214 inline void CreateSDigits();
c60862bf 215 inline void CreateDigits();
216 inline void CreateClusters();
af3d25a6 217 inline void CreateRecos();
3582c1f9 218 void AddHit(Int_t chamber,Int_t tid,TVector3 iX3,TVector3 oX3,Double_t eloss=0)
219 {TClonesArray &tmp=*fHits;new(tmp[fNhits++])AliRICHhit(chamber,tid,iX3,oX3,eloss);}
220 inline void AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid);
ed3ceb24 221 void AddDigit(int c,int x,int y,int q,int cpid,int *tid){TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(c-1));new(tmp[fNdigitsNew[c-1]++])AliRICHdigit(c,x,y,q,cpid,tid[0],tid[1],tid[2]);}
222 void AddCluster(AliRICHcluster &cl) {TClonesArray &tmp=*((TClonesArray*)fClusters->At(cl.C()-1));new(tmp[fNclusters[cl.C()-1]++])AliRICHcluster(cl);}
af3d25a6 223 void AddReco(Int_t tid,Double_t thetaCherenkov,Int_t nPhotons) {TClonesArray &tmp=*(TClonesArray*)fRecos;new(tmp[fNrecos++])AliRICHreco(tid,thetaCherenkov,nPhotons);}
84365c70 224// void ResetHits() {AliDetector::ResetHits();} //virtual
ed3ceb24 225 void ResetSDigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();}
226 void ResetDigits() {if(fDigitsNew)for(int i=0;i<kNCH;i++){fDigitsNew->At(i)->Clear();fNdigitsNew[i]=0;}}
227 void ResetClusters() {if(fClusters) for(int i=0;i<kNCH;i++){fClusters ->At(i)->Clear();fNclusters[i]=0;}}
af3d25a6 228 void ResetRecos() {if(fRecos) fRecos->Clear();fNrecos=0;}
c60862bf 229 //Hits provided by AliDetector
c1863e3c 230 TClonesArray* SDigits() const{return fSdigits;}
543d5224 231 TClonesArray* Digits(Int_t iC) const{if(fDigitsNew) return (TClonesArray *)fDigitsNew->At(iC-1);else return 0;}
c60862bf 232 TClonesArray* Clusters(Int_t iC) const{if(fClusters) return (TClonesArray *)fClusters->At(iC-1);else return 0;}
af3d25a6 233 TClonesArray* Recos() const{return fRecos;}
c60862bf 234
235 AliRICHChamber* C(Int_t iC) const{return (AliRICHChamber*)fChambers->At(iC-1);}
236 AliRICHParam* Param() const{return fpParam;}
ed3ceb24 237 AliRICHParam* P() const{return fpParam;}
3ea9cb08 238 void CreateChambers();
c60862bf 239 void CreateMaterials(); //virtual
240 virtual void BuildGeometry(); //virtual
241 virtual void CreateGeometry(); //virtual
53fd478b 242 Float_t AbsoCH4(Float_t x)const;
243 Float_t Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const;
3ea9cb08 244
c021cb15 245 virtual void StepManager()=0;
3582c1f9 246 void GenerateFeedbacks(Int_t iChamber,Float_t eloss=0);//eloss=0 for photon
c60862bf 247 void Print(Option_t *option)const;//virtual
248 void MakeBranch(Option_t *opt=" ");
249 void SetTreeAddress();//virtual
c60862bf 250
c60862bf 251// Int_t DistancetoPrimitive(Int_t /*px*/, Int_t /*py*/) {return 9999;}
2f614988 252
c60862bf 253protected:
53fd478b 254 enum {kCSI=6,kGAP=9};
c021cb15 255 AliRICHParam *fpParam; //main RICH parametrization
256 TObjArray *fChambers; //list of RICH chambers
84365c70 257 //fHits and fDigits belong to AliDetector
c60862bf 258 TClonesArray *fSdigits; //! List of sdigits
aed240d4 259 Int_t fNsdigits; //! Current number of sdigits
84365c70 260
c60862bf 261 TObjArray *fDigitsNew; //! Each chamber holds it's one lists of digits
aed240d4 262 Int_t fNdigitsNew[kNCH]; //! Array of current numbers of digits
84365c70 263
c60862bf 264 TObjArray *fClusters; //! Each chamber holds it's one lists of clusters
aed240d4 265 Int_t fNclusters[kNCH]; //! Array of current numbers of raw clusters
84365c70 266
af3d25a6 267 TClonesArray *fRecos; //! pointer to the list of recos
268 Int_t fNrecos; //! number of recos
c60862bf 269
84365c70 270 ClassDef(AliRICH,5) //Main RICH class
c60862bf 271};//class AliRICH
ed3ceb24 272
c1863e3c 273//__________________________________________________________________________________________________
c60862bf 274void AliRICH::CreateHits()
275{
276 if(fHits) return;
277 if(GetDebug())Info("CreateHits","creating hits container.");
278 fHits=new TClonesArray("AliRICHhit",10000); fNhits=0;
543d5224 279}
c60862bf 280//__________________________________________________________________________________________________
c1863e3c 281void AliRICH::CreateSDigits()
c60862bf 282{
283 if(fSdigits) return;
c1863e3c 284 if(GetDebug())Info("CreateSDigits","creating sdigits container.");
c60862bf 285 fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0;
543d5224 286}
c60862bf 287//__________________________________________________________________________________________________
288void AliRICH::CreateDigits()
289{
290 if(fDigitsNew) return;
291 if(GetDebug())Info("CreateDigits","creating digits containers.");
292 fDigitsNew = new TObjArray(kNCH);
293 for(Int_t i=0;i<kNCH;i++) {fDigitsNew->AddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;}
543d5224 294}
c60862bf 295//__________________________________________________________________________________________________
296void AliRICH::CreateClusters()
297{
298 if(fClusters) return;
299 if(GetDebug())Info("CreateClusters","creating clusters containers.");
300 fClusters = new TObjArray(kNCH);
301 for(Int_t i=0;i<kNCH;i++) {fClusters->AddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;}
543d5224 302}
ed3ceb24 303//__________________________________________________________________________________________________
af3d25a6 304void AliRICH::CreateRecos()
305{
306 if(fRecos) return;
307 if(GetDebug())Info("CreateRecos","creating recos containers.");
308 fRecos = new TClonesArray("AliRICHreco",1000);fNrecos=0;
309}
310//__________________________________________________________________________________________________
3582c1f9 311void AliRICH::AddSDigit(Int_t c,Int_t x,Int_t y,Double_t q,Int_t pid,Int_t tid)
ed3ceb24 312{
313 switch(pid){
3582c1f9 314 case 50000050: pid=1000000;break;//cerenkov
315 case 50000051: pid=1000; break;//feedback
316 default: pid=1; break;//mip
ed3ceb24 317 }
318 TClonesArray &tmp=*fSdigits;
319 new(tmp[fNsdigits++])AliRICHdigit(c,x,y,q,pid,tid,kBad,kBad);
320}//AddSDigit()
c60862bf 321
c60862bf 322#endif//#ifndef AliRICH_h