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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 | ||
1c349ae5 | 7 | #include <Riostream.h> |
853634d3 | 8 | #include <TClonesArray.h> |
1c349ae5 | 9 | #include <TObjArray.h> |
10 | #include <TVector.h> | |
d4c94996 | 11 | #include <TVector3.h> |
1c349ae5 | 12 | |
3582c1f9 | 13 | #include "AliRICHDigitizer.h" |
cb8189e7 | 14 | #include "AliRICHParam.h" |
1c349ae5 | 15 | #include <AliDetector.h> |
16 | #include <AliDigit.h> | |
17 | #include <AliHit.h> | |
cb8189e7 | 18 | |
c021cb15 | 19 | //__________________AliRICHhit______________________________________________________________________ |
853634d3 | 20 | class AliRICHhit : public AliHit |
21 | { | |
22 | public: | |
e42a7b46 | 23 | AliRICHhit():AliHit(),fChamber(kBad),fEloss(kBad) {fInX3.SetXYZ(0,0,0);fOutX3.SetXYZ(0,0,0);} |
d4c94996 | 24 | AliRICHhit(Int_t c,Int_t tid,TVector3 in,TVector3 out,Double_t e):AliHit(0,tid) |
25 | {fChamber=c;fInX3=in; fOutX3=out;fEloss=e; fX=out.X();fY=out.Y();fZ=out.Z();} | |
26 | virtual ~AliRICHhit() {;} | |
af3d25a6 | 27 | |
d4c94996 | 28 | Int_t C() const{return fChamber;} //chamber number |
29 | Int_t Chamber() const{return fChamber;} //chamber number | |
30 | Float_t Eloss() const{return fEloss;} //energy lost by track inside amplification gap | |
31 | TVector3 InX3() const{return fInX3;} //track position at the faceplane of the gap | |
32 | TVector3 OutX3() const{return fOutX3;} //track position at the backplane of the gap | |
33 | Double_t Length() const{return (fOutX3-fInX3).Mag();} //track length inside the amplification gap | |
34 | void Print(Option_t *option="")const; //virtual | |
853634d3 | 35 | protected: |
c021cb15 | 36 | Int_t fChamber; //chamber number |
d4c94996 | 37 | Double_t fEloss; //ionisation energy lost in GAP |
3582c1f9 | 38 | TVector3 fInX3; //position at the entrance of the GAP |
d4c94996 | 39 | TVector3 fOutX3; //position at the exit of the GAP |
ed3ceb24 | 40 | ClassDef(AliRICHhit,2) //RICH hit class |
853634d3 | 41 | };//class AliRICHhit |
c021cb15 | 42 | |
c021cb15 | 43 | //__________________AliRICHdigit____________________________________________________________________ |
853634d3 | 44 | class AliRICHdigit :public AliDigit |
45 | { | |
46 | public: | |
e42a7b46 | 47 | AliRICHdigit():AliDigit(),fCFM(0),fChamber(0),fPadX(0),fPadY(0),fQdc(kBad){fTracks[0]=fTracks[1]=fTracks[2]=kBad;} |
48 | AliRICHdigit(Int_t c,TVector pad,Double_t q,Int_t cfm,Int_t tid0,Int_t tid1,Int_t tid2) | |
49 | {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;} | |
853634d3 | 50 | virtual ~AliRICHdigit() {;} |
d4c94996 | 51 | Int_t Compare(const TObject *pObj) const |
52 | {if(Id()==((AliRICHdigit*)pObj)->Id())return 0;else if(Id()>((AliRICHdigit*)pObj)->Id())return 1;else return -1;} //virtual | |
e42a7b46 | 53 | virtual Bool_t IsSortable() const{return kTRUE;} //sort interface |
54 | virtual void Print(Option_t *option="") const; //virtual | |
55 | Int_t ChFbMi() const{return fCFM;} //particle mixture for this digit | |
d4c94996 | 56 | Int_t C() const{return fChamber/10;} //chamber number |
57 | Int_t S() const{return fChamber-(fChamber/10)*10;} //sector number | |
58 | Int_t X() const{return fPadX;} //x position of the pad | |
59 | Int_t Y() const{return fPadY;} //y postion of the pad | |
e42a7b46 | 60 | TVector Pad() const{Float_t v[2]={fPadX,fPadY}; return TVector(2,v);} |
d4c94996 | 61 | Int_t Id() const{return fChamber*10000000+fPadX*1000+fPadY;} //absolute id of this pad |
62 | Double_t Q() const{return fQdc;} //charge in terms of ADC channels | |
89924db8 | 63 | void AddTidOffset(Int_t offset) |
64 | {for (Int_t i=0; i<3; i++) if (fTracks[i]>0) fTracks[i]+=offset;}; | |
853634d3 | 65 | protected: |
e42a7b46 | 66 | Int_t fCFM; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips |
ed3ceb24 | 67 | Int_t fChamber; //10*chamber number+ sector number |
c1863e3c | 68 | Int_t fPadX; //pad number along X |
69 | Int_t fPadY; //pad number along Y | |
ed3ceb24 | 70 | Double_t fQdc; //QDC value, fractions are permitted for summable procedure |
d4c94996 | 71 | ClassDef(AliRICHdigit,3) //RICH digit class |
853634d3 | 72 | };//class AliRICHdigit |
cbaf35fb | 73 | |
ed3ceb24 | 74 | //__________________AliRICHcluster__________________________________________________________________ |
c1863e3c | 75 | class AliRICHcluster :public TObject |
76 | { | |
77 | public: | |
e42a7b46 | 78 | enum ClusterStatus {kEdge,kShape,kSize,kRaw,kResolved,kEmpty=kBad}; |
79 | AliRICHcluster():TObject(),fCFM(0),fSize(0),fShape(0),fQdc(0),fChamber(0),fX(0),fY(0),fStatus(kEmpty),fDigits(0) {} | |
998b831f | 80 | virtual ~AliRICHcluster() {AliDebug(1,"Start");/*Reset();*/} |
e42a7b46 | 81 | void Reset() {DeleteDigits();fCFM=fSize=fShape=fQdc=fChamber=0;fX=fY=0;fStatus=kEmpty;} //cleans the cluster |
998b831f | 82 | void DeleteDigits() {if(fDigits) {delete fDigits;} fDigits=0;} //deletes the list of digits |
e42a7b46 | 83 | AliRICHcluster& operator=(const AliRICHcluster&) {return *this;} |
84 | Int_t Nlocals() const{return fSize-10000*(fSize/10000);} //number of local maximums | |
85 | Int_t Size() const{return fSize/10000;} //number of digits in cluster | |
86 | Int_t Fsize() const{return fSize;} // | |
87 | Int_t Shape() const{return fShape;} //cluster shape rectangulare | |
88 | Int_t C() const{return fChamber/10;} //chamber number | |
89 | Int_t S() const{return fChamber-(fChamber/10)*10;} //sector number | |
90 | Int_t Fchamber() const{return fChamber;} // | |
91 | Int_t Q() const{return fQdc;} //cluster charge in QDC channels | |
92 | Double_t X() const{return fX;} //cluster x position in LRS | |
93 | Double_t Y() const{return fY;} //cluster y position in LRS | |
94 | Int_t Status() const{return fStatus;} // | |
95 | void SetStatus(Int_t status) {fStatus=status;} // | |
96 | Int_t Nmips() const{return fCFM-1000000*Ncerenkovs()-1000*Nfeedbacks();} // | |
97 | Int_t Ncerenkovs() const{return fCFM/1000000;} // | |
98 | Int_t Nfeedbacks() const{return (fCFM-1000000*Ncerenkovs())/1000;} // | |
99 | Bool_t IsPureMip() const{return fCFM<1000;} // | |
100 | Bool_t IsPureCerenkov() const{return Nmips()==0&&Nfeedbacks()==0;} // | |
101 | Bool_t IsPureFeedback() const{return Nmips()==0&&Ncerenkovs()==0;} // | |
102 | Bool_t IsSingleMip() const{return Nmips()==1&&Ncerenkovs()==0&&Nfeedbacks()==0;} // | |
103 | Bool_t IsSingleCerenkov() const{return Nmips()==0&&Ncerenkovs()==1&&Nfeedbacks()==0;} // | |
104 | Bool_t IsSingleFeedback() const{return Nmips()==0&&Ncerenkovs()==0&&Nfeedbacks()==1;} // | |
105 | Bool_t IsMip() const{return Nmips()!=0;} // | |
106 | Bool_t IsCerenkov() const{return Ncerenkovs()!=0;} // | |
107 | Bool_t IsFeedback() const{return Nfeedbacks()!=0;} // | |
108 | Int_t CombiPid() const{return fCFM;} // | |
109 | void CFM(Int_t c,Int_t f,Int_t m) {fCFM=1000000*c+1000*f+m;} //cluster contributors | |
110 | TObjArray* Digits() const{return fDigits;} // | |
998b831f | 111 | virtual void Print(Option_t *option="")const; // |
112 | inline void AddDigit(AliRICHdigit *pDig); // | |
113 | inline void CoG(Int_t nLocals); //calculates center of gravity | |
114 | void Fill(AliRICHcluster *pRaw,Double_t x,Double_t y,Double_t q,Int_t cfm) //form new resolved cluster from raw one | |
115 | {fCFM=cfm;fChamber=pRaw->Fchamber();fSize=pRaw->Fsize();fQdc=(Int_t)(q*pRaw->Q());fX=x;fY=y;fStatus=kResolved;} | |
116 | 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 | |
1cb5a97c | 117 | Double_t DistX(TVector2 x) const{return (x.X()-fX);} //distance in x to given point |
118 | Double_t DistY(TVector2 x) const{return (x.Y()-fY);} //distance to given point | |
c1863e3c | 119 | protected: |
e42a7b46 | 120 | Int_t fCFM; //1000000*Ncerenkovs+1000*Nfeedbacks+Nmips |
6865fb8d | 121 | Int_t fSize; //10000*(how many digits belong to this cluster) + nLocalMaxima |
e42a7b46 | 122 | Int_t fShape; //100*xdim+ydim box containing the cluster |
c1863e3c | 123 | Int_t fQdc; //QDC value |
124 | Int_t fChamber; //10*module number+sector number | |
125 | Double_t fX; //local x postion | |
126 | Double_t fY; //local y postion | |
127 | Int_t fStatus; //flag to mark the quality of the cluster | |
128 | TObjArray *fDigits; //! list of digits forming this cluster | |
ed3ceb24 | 129 | ClassDef(AliRICHcluster,2) //RICH cluster class |
c1863e3c | 130 | };//class AliRICHcluster |
131 | //__________________________________________________________________________________________________ | |
132 | void AliRICHcluster::AddDigit(AliRICHdigit *pDig) | |
e42a7b46 | 133 | { |
134 | // Adds a given digit to the list of digits belonging to this cluster | |
135 | if(!fDigits) {fQdc=fSize=fCFM=0;fDigits = new TObjArray;} | |
cbaf35fb | 136 | fQdc+=(Int_t)pDig->Q(); fDigits->Add(pDig); |
cb8189e7 | 137 | fChamber=10*pDig->C()+pDig->S(); |
6865fb8d | 138 | fSize+=10000; |
e42a7b46 | 139 | fStatus=kRaw; |
cbaf35fb | 140 | } |
141 | //__________________________________________________________________________________________________ | |
6865fb8d | 142 | void AliRICHcluster::CoG(Int_t nLocals) |
e42a7b46 | 143 | { |
144 | // Calculates naive cluster position as a center of gravity of its digits. | |
145 | Float_t xmin=999,ymin=999,xmax=0,ymax=0; | |
cb8189e7 | 146 | fX=fY=0; |
147 | for(Int_t iDig=0;iDig<Size();iDig++) { | |
148 | AliRICHdigit *pDig=(AliRICHdigit*)fDigits->At(iDig); | |
e42a7b46 | 149 | TVector pad=pDig->Pad(); Double_t q=pDig->Q(); |
150 | TVector2 x2=AliRICHParam::Pad2Loc(pad); | |
3582c1f9 | 151 | fX += x2.X()*q;fY +=x2.Y()*q; |
e42a7b46 | 152 | if(pad[0]<xmin)xmin=pad[0];if(pad[0]>xmax)xmax=pad[0];if(pad[1]<ymin)ymin=pad[1];if(pad[1]>ymax)ymax=pad[1]; |
cbaf35fb | 153 | } |
cb8189e7 | 154 | fX/=fQdc;fY/=fQdc;//Center of Gravity |
ed83829e | 155 | |
156 | TVector2 center = AliRICHParam::Pad2Loc(AliRICHParam::Loc2Pad(TVector2(fX,fY))); | |
bfe16b5f | 157 | fX += AliRICHParam::CogCorr(fX-center.X()); |
ed83829e | 158 | |
e42a7b46 | 159 | fShape=Int_t(100*(xmax-xmin+1)+ymax-ymin+1);//find box containing cluster |
6865fb8d | 160 | fSize+=nLocals; |
cb8189e7 | 161 | fStatus=kRaw; |
162 | }//CoG() | |
d4c94996 | 163 | |
c021cb15 | 164 | //__________________AliRICH_________________________________________________________________________ |
e42a7b46 | 165 | class AliESD; |
3ea9cb08 | 166 | |
2f614988 | 167 | class AliRICH : public AliDetector |
168 | { | |
2f614988 | 169 | public: |
853634d3 | 170 | AliRICH(); |
af3d25a6 | 171 | AliRICH(const char *name, const char *title); |
d4c94996 | 172 | AliRICH(const AliRICH& RICH):AliDetector(RICH) {;} //copy ctor |
853634d3 | 173 | virtual ~AliRICH(); |
dfb4e77d | 174 | |
942194a4 | 175 | AliRICH& operator=(const AliRICH&) {return *this;} |
d4c94996 | 176 | //framework part |
e42a7b46 | 177 | virtual Int_t IsVersion() const =0; //interface from |
178 | virtual void StepManager() =0; //interface from AliMC | |
179 | virtual void Hits2SDigits(); //interface from AliSimulation | |
180 | virtual AliDigitizer* CreateDigitizer(AliRunDigitizer* man) const {return new AliRICHDigitizer(man);} //interface from AliSimulation | |
998b831f | 181 | // virtual void Reconstruct() const; //interface from AliReconstruction |
182 | // virtual void FillESD(AliESD *pESD) const; //interface from AliReconstruction | |
e42a7b46 | 183 | virtual void SetTreeAddress(); //interface from AliLoader |
184 | virtual void MakeBranch(Option_t *opt=" "); //interface from AliLoader | |
185 | virtual void CreateMaterials(); //interface from AliMC | |
186 | virtual void CreateGeometry(); //interface from AliMC | |
187 | virtual void BuildGeometry(); //interface | |
d4c94996 | 188 | //private part |
189 | Float_t AbsoCH4(Float_t x)const; //calculates absorption length for methane | |
190 | Float_t Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const; //deals with Fresnel absorption | |
d4c94996 | 191 | inline void CreateHits(); //create hits container as a simple list |
192 | inline void CreateSDigits(); //create sdigits container as a simple list | |
193 | inline void CreateDigits(); //create digits container as 7 lists, one per chamber | |
194 | inline void CreateClusters(); //create clusters container as 7 lists, one per chamber | |
d4c94996 | 195 | // void ResetHits() {AliDetector::ResetHits();} //virtual |
196 | void ResetSDigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();} | |
e42a7b46 | 197 | void ResetDigits() {if(fDigitsNew)for(int i=0;i<kNchambers;i++){fDigitsNew->At(i)->Clear();fNdigitsNew[i]=0;}} //virtual |
198 | void ResetClusters() {if(fClusters) for(int i=0;i<kNchambers;i++){fClusters ->At(i)->Clear();fNclusters[i]=0;}} | |
c1863e3c | 199 | TClonesArray* SDigits() const{return fSdigits;} |
543d5224 | 200 | TClonesArray* Digits(Int_t iC) const{if(fDigitsNew) return (TClonesArray *)fDigitsNew->At(iC-1);else return 0;} |
c60862bf | 201 | TClonesArray* Clusters(Int_t iC) const{if(fClusters) return (TClonesArray *)fClusters->At(iC-1);else return 0;} |
e42a7b46 | 202 | AliRICHChamber* C(Int_t iC) const{return fpParam->C(iC);} //provides pointer to a given chamber |
203 | AliRICHParam* P() const{return fpParam;} //provides pointer to a RICH params | |
204 | AliRICH* R() {return this;} //provides pointer to RICH main object | |
205 | TVector Counters() const{return fCounters;} //provides a set of counters | |
206 | void ControlPlots(); //utility | |
998b831f | 207 | virtual void Print(Option_t *option="") const; //prints current RICH status |
e42a7b46 | 208 | void PrintHits (Int_t iEvent=0); //utility |
209 | void PrintSDigits (Int_t iEvent=0); //utility | |
210 | void PrintDigits (Int_t iEvent=0); //utility | |
211 | void PrintClusters(Int_t iEvent=0); //utility | |
998b831f | 212 | void PrintTracks (Int_t iEvent=0); //utility |
c60862bf | 213 | |
e42a7b46 | 214 | 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);} |
215 | inline void AddSDigit(Int_t c,TVector pad,Double_t q,Int_t pid,Int_t tid); | |
216 | void AddDigit(int c,TVector pad,int q,int cfm,int *tid)//Add simulated digit | |
217 | {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(c-1));new(tmp[fNdigitsNew[c-1]++])AliRICHdigit(c,pad,q,cfm,tid[0],tid[1],tid[2]);} | |
218 | void AddDigit(Int_t c,TVector pad,Int_t q)//for real data digits | |
219 | {TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(0));new(tmp[fNdigitsNew[0]++])AliRICHdigit(c,pad,q,0,-1,-1,-1);} | |
d4c94996 | 220 | void AddCluster(AliRICHcluster &cl) |
e42a7b46 | 221 | {Int_t c=cl.C()-1;TClonesArray &tmp=*((TClonesArray*)fClusters->At(c));new(tmp[fNclusters[c]++])AliRICHcluster(cl);} |
222 | AliRICHhit* Hit(Int_t tid); //returns pointer ot RICH hit for a given tid | |
c60862bf | 223 | protected: |
998b831f | 224 | enum {kAir=1,kRoha,kSiO2,kC6F14,kCH4,kCsI,kGridCu,kOpSiO2,kGap,kAl,kGlass,kCu,kW,kSteel,kPerpex,kSr90}; |
c021cb15 | 225 | AliRICHParam *fpParam; //main RICH parametrization |
d4c94996 | 226 | //fHits and fDigits belong to AliDetector |
e42a7b46 | 227 | TClonesArray *fSdigits; //! list of sdigits |
228 | Int_t fNsdigits; //! current number of sdigits | |
84365c70 | 229 | |
e42a7b46 | 230 | TObjArray *fDigitsNew; //! each chamber holds it's one lists of digits |
231 | Int_t fNdigitsNew[kNchambers]; //! array of current numbers of digits | |
84365c70 | 232 | |
e42a7b46 | 233 | TObjArray *fClusters; //! each chamber holds it's one lists of clusters |
234 | Int_t fNclusters[kNchambers]; //! array of current numbers of raw clusters | |
84365c70 | 235 | |
e42a7b46 | 236 | TVector fCounters; //Photon history conters, explanation in StepManager() |
237 | ClassDef(AliRICH,7) //Main RICH class | |
c60862bf | 238 | };//class AliRICH |
ed3ceb24 | 239 | |
c1863e3c | 240 | //__________________________________________________________________________________________________ |
c60862bf | 241 | void AliRICH::CreateHits() |
242 | { | |
243 | if(fHits) return; | |
998b831f | 244 | AliDebug(1,"creating hits container."); |
c60862bf | 245 | fHits=new TClonesArray("AliRICHhit",10000); fNhits=0; |
543d5224 | 246 | } |
c60862bf | 247 | //__________________________________________________________________________________________________ |
c1863e3c | 248 | void AliRICH::CreateSDigits() |
c60862bf | 249 | { |
250 | if(fSdigits) return; | |
998b831f | 251 | AliDebug(1,"creating sdigits container."); |
c60862bf | 252 | fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0; |
543d5224 | 253 | } |
c60862bf | 254 | //__________________________________________________________________________________________________ |
255 | void AliRICH::CreateDigits() | |
256 | { | |
257 | if(fDigitsNew) return; | |
998b831f | 258 | AliDebug(1,"creating digits containers."); |
e42a7b46 | 259 | fDigitsNew = new TObjArray(kNchambers); |
260 | for(Int_t i=0;i<kNchambers;i++) {fDigitsNew->AddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;} | |
543d5224 | 261 | } |
c60862bf | 262 | //__________________________________________________________________________________________________ |
263 | void AliRICH::CreateClusters() | |
264 | { | |
265 | if(fClusters) return; | |
998b831f | 266 | AliDebug(1,"creating clusters containers."); |
e42a7b46 | 267 | fClusters = new TObjArray(kNchambers); |
268 | for(Int_t i=0;i<kNchambers;i++) {fClusters->AddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;} | |
543d5224 | 269 | } |
ed3ceb24 | 270 | //__________________________________________________________________________________________________ |
e42a7b46 | 271 | void AliRICH::AddSDigit(Int_t c,TVector pad,Double_t q,Int_t pid,Int_t tid) |
272 | { | |
273 | Int_t cfm; | |
ed3ceb24 | 274 | switch(pid){ |
e42a7b46 | 275 | case 50000050: cfm=1000000;break;//cerenkov |
276 | case 50000051: cfm=1000; break;//feedback | |
277 | default: cfm=1; break;//mip | |
ed3ceb24 | 278 | } |
e42a7b46 | 279 | TClonesArray &tmp=*fSdigits; new(tmp[fNsdigits++])AliRICHdigit(c,pad,q,cfm,tid,kBad,kBad); |
280 | } | |
d4c94996 | 281 | //__________________________________________________________________________________________________ |
c60862bf | 282 | #endif//#ifndef AliRICH_h |