4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
8 #include <TClonesArray.h>
9 #include <TLorentzVector.h>
10 #include <AliDetector.h>
14 #include "AliRICHConst.h"
15 #include "AliRICHChamber.h"
17 #include "AliRICHDigit.h"
18 #include "AliRICHSDigit.h"
19 #include "AliRICHRawCluster.h"
20 class AliRICHRecHit1D;
22 //__________________AliRICHhit______________________________________________________________________
23 //__________________________________________________________________________________________________
24 //__________________________________________________________________________________________________
25 class AliRICHhit : public AliHit
29 inline AliRICHhit(Int_t fIshunt, Int_t track, Int_t *vol, Float_t *hits);
30 inline AliRICHhit(Int_t track,Int_t iPID,Int_t iChamber,TLorentzVector x4,Float_t eloss);
31 virtual ~AliRICHhit() {;}
33 Int_t C() {return fChamber;}
34 Int_t Chamber() {return fChamber;}
35 Int_t Pid() {return fPid;}
36 Int_t Particle() {return fPid;}
37 Float_t Theta() {return fTheta;}
38 Float_t Phi() {return fPhi;}
39 Float_t Tlength() {return fTlength;}
40 Float_t Eloss() {return fEloss;}
41 Float_t Loss() {return fLoss;}
42 Float_t PHfirst() {return fPHfirst;}
43 Float_t PHlast() {return fPHlast;}
44 Float_t MomX() {return fMomX;}
45 Float_t MomY() {return fMomY;}
46 Float_t MomZ() {return fMomZ;}
47 Float_t CerenkovAngle() {return fMomX;}
48 Float_t MomFreoX() {return fMomX;}
49 Float_t MomFreoY() {return fMomY;}
50 Float_t MomFreoZ() {return fMomZ;}
51 void Print(Option_t *option="")const; //virtual
53 Int_t fChamber; //chamber number
54 Int_t fPid; //particle code
55 Float_t fTheta,fPhi ; //incident theta phi angles in degrees
56 Float_t fTlength; //track length inside the chamber
57 Float_t fEloss; //ionisation energy loss in gas
58 Float_t fPHfirst; //first padhit
59 Float_t fPHlast; //last padhit
60 Float_t fLoss; // did it hit the freon?
61 Float_t fMomX,fMomY,fMomZ; //momentum at photochatode entry point
62 Float_t fNPads; // Pads hit
63 Float_t fCerenkovAngle; // Dummy cerenkov angle
64 Float_t fMomFreoX,fMomFreoY,fMomFreoZ; //momentum at freon entry point
65 ClassDef(AliRICHhit,1) //RICH hit class
68 //__________________________________________________________________________________________________
69 AliRICHhit::AliRICHhit()
73 fTheta=fPhi=fTlength=fEloss=fPHfirst=fPHlast=fLoss=kBad;
74 fMomX=fMomY=fMomZ=fNPads=fCerenkovAngle=fMomFreoX=fMomFreoY=fMomFreoZ=kBad;
76 //__________________________________________________________________________________________________
77 AliRICHhit::AliRICHhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hit):
82 fX=hit[1];fY=hit[2];fZ=hit[3];
83 fTheta=hit[4];fPhi=hit[5];
86 fPHfirst=(Int_t)hit[8];
87 fPHlast=(Int_t)hit[9];
89 fMomX=hit[14];fMomY=hit[15];fMomZ=hit[16];
91 fCerenkovAngle=hit[18];
92 fMomFreoX=hit[19];fMomFreoY=hit[20];fMomFreoZ=hit[21];
94 //__________________________________________________________________________________________________
95 AliRICHhit::AliRICHhit(Int_t track,Int_t iPID,Int_t iChamber,TLorentzVector x4,Float_t eloss):
100 fX=x4.X();fY=x4.Y();fZ=x4.Z();
104 //__________________AliRICHCerenkov_________________________________________________________________
105 //__________________________________________________________________________________________________
106 //__________________________________________________________________________________________________
107 class AliRICHCerenkov: public AliHit
110 inline AliRICHCerenkov();
111 inline AliRICHCerenkov(Int_t fIshunt, Int_t track, Int_t *vol, Float_t *Cerenkovs);
112 virtual ~AliRICHCerenkov() {;}
114 Int_t fChamber; //chamber number
115 Float_t fTheta,fPhi; //incident theta phi angles in degrees
116 Float_t fTlength; //track length inside the chamber
117 Float_t fEloss; //ionisation energy loss in gas
118 Int_t fPHfirst; //first padhit
119 Int_t fPHlast; //last padhit
120 Int_t fCMother; //index of mother particle
121 Float_t fLoss; //nature of particle loss
122 Float_t fIndex; //index of photon
123 Float_t fProduction; //point of production
124 Float_t fMomX,fMomY,fMomZ; //local Momentum
125 Float_t fNPads; // Pads hit
126 Float_t fCerenkovAngle; // Cerenkov Angle
128 ClassDef(AliRICHCerenkov,1) //RICH cerenkov class
129 };//class AliRICHCerenkov
131 //__________________________________________________________________________________________________
132 AliRICHCerenkov::AliRICHCerenkov()
135 fX=fY=fZ=fTheta=fPhi=fTlength=fEloss=kBad;
136 fPHfirst=fPHlast=fCMother=kBad;
137 fLoss=fIndex=fProduction=fMomX=fMomY=fMomZ=fNPads=fCerenkovAngle=kBad;
139 //__________________________________________________________________________________________________
140 AliRICHCerenkov::AliRICHCerenkov(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits)
141 :AliHit(shunt, track)
144 fX=hits[1];fY=hits[2];fZ=hits[3];
145 fTheta=hits[4];fPhi=hits[5];
148 fPHfirst=(Int_t)hits[8];fPHlast=(Int_t)hits[9];
149 fCMother=Int_t(hits[10]);
151 fProduction = hits[12];
153 fMomX=hits[14];fMomY=hits[15];fMomZ=hits[16];
155 fCerenkovAngle=hits[18];
158 //__________________AliRICHdigit____________________________________________________________________
159 //__________________________________________________________________________________________________
160 //__________________________________________________________________________________________________
161 class AliRICHdigit :public AliDigit
164 AliRICHdigit() {fPadX=fPadY=fChamber=fQdc=fTracks[0]=fTracks[1]=fTracks[2]=kBad;}
165 inline AliRICHdigit(Int_t iC,Int_t iX,Int_t iY,Int_t iQdc,Int_t iT1,Int_t iT2,Int_t iT3);
166 virtual ~AliRICHdigit() {;}
167 inline Int_t Compare(const TObject *pObj) const;//virtual
168 Bool_t IsSortable() const{return kTRUE;}//virtual
169 Int_t C() const{return fChamber;}
170 Int_t X() const{return fPadX;}
171 Int_t Y() const{return fPadY;}
172 Int_t Id() const{return fChamber*1000000+fPadX*1000+fPadY;}
173 Int_t Qdc() const{return fQdc;}
174 Int_t T(Int_t i) const{return fTracks[i];}
175 void Print(Option_t *option)const; //virtual
177 Int_t fChamber; //module number
178 Int_t fPadX; //pad number along X
179 Int_t fPadY; //pad number along Y
180 Int_t fQdc; //ADC value
181 ClassDef(AliRICHdigit,1) //RICH digit class
182 };//class AliRICHdigit
183 //__________________________________________________________________________________________________
184 AliRICHdigit::AliRICHdigit(Int_t iC,Int_t iX,Int_t iY,Int_t iQdc,Int_t iT0,Int_t iT1,Int_t iT2)
186 fChamber=iC;fPadX=iX;fPadY=iY;fQdc=iQdc;
187 fTracks[0]=iT0;fTracks[1]=iT1;fTracks[2]=iT2;
189 //__________________________________________________________________________________________________
190 Int_t AliRICHdigit::Compare(const TObject *pObj)const
192 if(Id()==((AliRICHdigit*)pObj)->Id())
194 else if(Id()>((AliRICHdigit*)pObj)->Id())
199 //__________________AliRICH_________________________________________________________________________
200 //__________________________________________________________________________________________________
201 //__________________________________________________________________________________________________
205 class AliRICH : public AliDetector
209 AliRICH(const char *name, const char *title);
210 AliRICH(const AliRICH& RICH):AliDetector(RICH) {;}
213 AliRICH& operator=(const AliRICH&) {return *this;}
214 virtual Int_t IsVersion() const =0;
215 void Hits2SDigits(); //virtual
216 void SDigits2Digits(); //virtual
217 void Digits2Reco(); //virtual
219 inline void CreateHits();
220 inline void CreateSdigits();
221 inline void CreateDigits();
222 inline void CreateClusters();
223 inline void AddHit(Int_t track, Int_t *vol, Float_t *hits); //virtual
224 inline void AddSdigit(Int_t iC,Int_t iX,Int_t iY,Int_t iAdc,Int_t iT0,Int_t iT1=kBad,Int_t iT2=kBad);
225 inline void AddDigit (Int_t iC,Int_t iX,Int_t iY,Int_t iAdc,Int_t iT0,Int_t iT1=kBad,Int_t iT2=kBad);
226 void AddCluster() {;}
227 void ResetHits() {AliDetector::ResetHits();fNcerenkovs=0;if(fCerenkovs)fCerenkovs->Clear();fNspecials=0;if(fSpecials)fSpecials->Clear();} //virtual
228 void ResetSdigits() {fNsdigits=0; if(fSdigits) fSdigits ->Clear();}
229 void ResetDigits() {if(fDigitsNew)for(int i=0;i<kNCH;i++){fDigitsNew->At(i)->Clear();fNdigitsNew[i]=0;}}
230 void ResetClusters() {if(fClusters) for(int i=0;i<kNCH;i++){fClusters ->At(i)->Clear();fNclusters[i]=0;}}
231 //Hits provided by AliDetector
232 TClonesArray* Sdigits() const{return fSdigits;}
233 TClonesArray* Digits(Int_t iC) const{if(fDigitsNew) return (TClonesArray *)fDigitsNew->At(iC-1);else return 0;}
234 TClonesArray* Clusters(Int_t iC) const{if(fClusters) return (TClonesArray *)fClusters->At(iC-1);else return 0;}
236 AliRICHChamber* C(Int_t iC) const{return (AliRICHChamber*)fChambers->At(iC-1);}
237 AliRICHParam* Param() const{return fpParam;}
239 AliRICHhit* FirstHit(Int_t iTrkN) {return (AliRICHhit*)AliDetector::FirstHit(iTrkN);} //virtual
240 AliRICHhit* NextHit() {return (AliRICHhit*)AliDetector::NextHit();} //virtual
242 void CreateChambers();
243 void CreateMaterials(); //virtual
244 virtual void BuildGeometry(); //virtual
245 virtual void CreateGeometry(); //virtual
246 Float_t AbsoCH4(Float_t x);
247 Float_t Fresnel(Float_t ene,Float_t pdoti, Bool_t pola);
249 virtual void StepManager()=0;
250 void GenerateFeedbacks(Int_t iChamber,Float_t eloss);
251 void Print(Option_t *option)const;//virtual
252 void MakeBranch(Option_t *opt=" ");
253 void SetTreeAddress();//virtual
254 // OLD staff OLD staff
255 inline void AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs);
256 inline void AddSpecialOld(Int_t *);
257 inline void AddDigitOld(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits);
258 inline void AddClusterOld(Int_t iChamber, const AliRICHRawCluster& cluster);
259 void AddRecHit1D(Int_t id, Float_t* rechit, Float_t* photons, Int_t* padsx, Int_t* padsy);
261 inline void CreateCerenkovsOld();
262 inline void CreateSpecialsOld();
263 inline void CreateDigitsOld();
264 inline void CreateRawClustersOld();
265 inline void CreateRecos1Old();
266 inline void CreateRecos3Old();
267 void ResetDigitsOld() {if(fDchambers) for(int i=0;i<kNCH;i++){fDchambers->At(i)->Clear();fNdch[i]=0;}} //virtual
268 void ResetSpecialsOld(){fNspecials=0; if(fSpecials) fSpecials->Clear();}
269 void ResetRawClusters(){if(fRawClusters)for(int i=0;i<kNCH;i++){fRawClusters->At(i)->Clear();fNrawch[i]=0;}}
270 void ResetRecHits1D() {if(fRecHits1D) for(int i=0;i<kNCH;i++){fRecHits1D ->At(i)->Clear();fNrechits1D[i]=0;}}
272 TClonesArray* DigitsOld(Int_t iC) const{if(fDchambers) return (TClonesArray *)fDchambers->At(iC-1);else return 0;}
273 TClonesArray* ClustersOld(Int_t iC) const{if(fRawClusters)return (TClonesArray *)fRawClusters->At(iC-1);else return 0;}
274 TClonesArray* Specials() const{return fSpecials;}
275 TClonesArray* Cerenkovs() const{return fCerenkovs;}
279 AliRICHChamber& Chamber(Int_t id) {return *((AliRICHChamber *) (*fChambers)[id]);}
280 TObjArray *Dchambers() const{return fDchambers;}
281 TObjArray *RecHits1D() const{return fRecHits1D;}
282 Int_t *Ndch() {return fNdch;}
283 Int_t *Nrechits1D() {return fNrechits1D;}
284 TClonesArray *DigitsAddress(Int_t id) const{return ((TClonesArray *) (*fDchambers)[id]);}
285 TClonesArray *RecHitsAddress1D(Int_t id) const{return ((TClonesArray *) (*fRecHits1D)[id]);}
286 TClonesArray *RawClustAddress(Int_t id) const{return ((TClonesArray *) (*fRawClusters)[id]);}
287 // Int_t DistancetoPrimitive(Int_t /*px*/, Int_t /*py*/) {return 9999;}
290 AliRICHParam *fpParam; //main RICH parametrization
291 TObjArray *fChambers; //list of RICH chambers
292 //fHits and fDigits belong to AliDetector
293 TClonesArray *fSdigits; //! List of sdigits
294 Int_t fNsdigits; //Current number of sdigits
295 TObjArray *fDigitsNew; //! Each chamber holds it's one lists of digits
296 Int_t fNdigitsNew[kNCH]; //Array of current numbers of digits
297 TObjArray *fClusters; //! Each chamber holds it's one lists of clusters
298 Int_t fNclusters[kNCH]; //Array of current numbers of raw clusters
300 TClonesArray *fCerenkovs; //! ??? List of cerenkovs
301 Int_t fNcerenkovs; //??? Current number of cerenkovs
302 TClonesArray *fSpecials; //! ??? List of specials
303 Int_t fNspecials; //??? Current number of specials
304 TObjArray *fDchambers; //! Array of lists of digits
305 Int_t fNdch[kNCH]; //Array of current numbers of digits
306 TObjArray *fRawClusters; //! Array of lists of raw clusters
307 Int_t fNrawch[kNCH]; //Array of current numbers of raw clusters
308 TObjArray *fRecHits1D; //!List of rec. hits
309 Int_t fNrechits1D[kNCH]; //Array of current numbers of rec hits 1D
310 Int_t fCkovNumber; // Number of Cerenkov photons
311 Int_t fFreonProd; // Cerenkovs produced in freon
312 Int_t fFeedbacks; // Number of feedback photons
314 ClassDef(AliRICH,3) //Main RICH class
316 //__________________________________________________________________________________________________
317 void AliRICH::AddHit(Int_t track, Int_t *vol, Float_t *hits)
318 {//Adds the current hit to the RICH hits list
319 TClonesArray &tmp=*fHits;
320 new(tmp[fNhits++])AliRICHhit(fIshunt,track,vol,hits);
322 //__________________________________________________________________________________________________
323 void AliRICH::AddSdigit(Int_t iC,Int_t iX,Int_t iY,Int_t iAdc,Int_t iT0,Int_t iT1,Int_t iT2)
324 {//Adds the current Sdigit to the RICH list of Sdigits
325 TClonesArray &tmp=*fSdigits;
326 new(tmp[fNsdigits++])AliRICHdigit(iC,iX,iY,iAdc,iT0,iT1,iT2);
328 //__________________________________________________________________________________________________
329 void AliRICH::AddDigit(Int_t iC,Int_t iX,Int_t iY,Int_t iAdc,Int_t iT0,Int_t iT1,Int_t iT2)
330 {//Adds the current digit to the corresponding RICH list of digits (individual list per chamber)
331 TClonesArray &tmp=*((TClonesArray*)fDigitsNew->At(iC-1));
332 new(tmp[fNdigitsNew[iC-1]++]) AliRICHdigit(iC,iX,iY,iAdc,iT0,iT1,iT2);
334 //__________________________________________________________________________________________________
335 void AliRICH::CreateHits()
338 if(GetDebug())Info("CreateHits","creating hits container.");
339 fHits=new TClonesArray("AliRICHhit",10000); fNhits=0;
341 //__________________________________________________________________________________________________
342 void AliRICH::CreateSdigits()
345 if(GetDebug())Info("CreateSdigits","creating sdigits container.");
346 fSdigits=new TClonesArray("AliRICHdigit",10000); fNsdigits=0;
348 //__________________________________________________________________________________________________
349 void AliRICH::CreateDigits()
351 if(fDigitsNew) return;
352 if(GetDebug())Info("CreateDigits","creating digits containers.");
353 fDigitsNew = new TObjArray(kNCH);
354 for(Int_t i=0;i<kNCH;i++) {fDigitsNew->AddAt(new TClonesArray("AliRICHdigit",10000), i); fNdigitsNew[i]=0;}
356 //__________________________________________________________________________________________________
357 void AliRICH::CreateClusters()
359 if(fClusters) return;
360 if(GetDebug())Info("CreateClusters","creating clusters containers.");
361 fClusters = new TObjArray(kNCH);
362 for(Int_t i=0;i<kNCH;i++) {fClusters->AddAt(new TClonesArray("AliRICHcluster",10000), i); fNclusters[i]=0;}
367 //__________________________________________________________________________________________________
368 void AliRICH::CreateCerenkovsOld()
370 if(fCerenkovs) return;
371 if(GetDebug())Info("CreateCerenkovs","creating cerenkovs container.");
372 fCerenkovs=new TClonesArray("AliRICHCerenkov",10000); fNcerenkovs=0;
374 //__________________________________________________________________________________________________
375 void AliRICH::CreateSpecialsOld()
377 if(fSpecials) return;
378 if(GetDebug())Info("CreateSpecialsOld","creating SDigits special container.");
379 fSpecials=new TClonesArray("AliRICHSDigit",100000); fNspecials=0;
381 //__________________________________________________________________________________________________
382 void AliRICH::CreateDigitsOld()
384 if(fDchambers) return;
385 if(GetDebug())Info("CreateDigitsOld","creating digits containers.");
386 fDchambers = new TObjArray(kNCH);
387 for(Int_t i=0;i<kNCH;i++) fDchambers->AddAt(new TClonesArray("AliRICHDigit",10000), i);
389 //__________________________________________________________________________________________________
390 void AliRICH::CreateRawClustersOld()
392 if(fRawClusters) return;
393 if(GetDebug())Info("CreateClustersOld","creating clusters containers.");
394 fRawClusters = new TObjArray(kNCH);
395 for(Int_t i=0; i<kNCH ;i++) fRawClusters->AddAt(new TClonesArray("AliRICHRawCluster",10000), i);
397 //__________________________________________________________________________________________________
398 void AliRICH::CreateRecos1Old()
400 if(fRecHits1D) return;
401 if(GetDebug())Info("CreateRecos1DOld","creating recos 1 containers.");
402 fRecHits1D = new TObjArray(kNCH);
403 for(Int_t i=0; i<kNCH ;i++) fRecHits1D->AddAt(new TClonesArray("AliRICHRecHit1D",1000), i);
405 //__________________________________________________________________________________________________
406 void AliRICH::AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs)
407 {//Adds the current RICH cerenkov hit to the Cerenkovs list
408 TClonesArray &tmp=*fCerenkovs;
409 new(tmp[fNcerenkovs++]) AliRICHCerenkov(fIshunt,track,vol,cerenkovs);
411 //__________________________________________________________________________________________________
412 void AliRICH::AddSpecialOld(Int_t *aiSDigit)
413 {// Adds the current Sdigit to the RICH list of Specials
414 TClonesArray &lSDigits = *fSpecials;
415 new(lSDigits[fNspecials++]) AliRICHSDigit(aiSDigit);
417 //__________________________________________________________________________________________________
418 void AliRICH::AddDigitOld(Int_t iChamber, Int_t *tracks, Int_t *charges, Int_t *digits)
419 {// Adds the current digit to the RICH list of S digits
420 TClonesArray &ldigits = *((TClonesArray*)fDchambers->At(iChamber-1));
421 new(ldigits[fNdch[iChamber-1]++]) AliRICHDigit(tracks,charges,digits);
423 //__________________________________________________________________________________________________
424 void AliRICH::AddClusterOld(Int_t iChamber, const AliRICHRawCluster& c)
425 {// Add a RICH raw cluster to the list
426 TClonesArray &tmp= *((TClonesArray*)fRawClusters->At(iChamber-1));
427 new(tmp[fNrawch[iChamber-1]++]) AliRICHRawCluster(c);
429 //__________________________________________________________________________________________________
430 #endif//#ifndef AliRICH_h