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d3da6dc4 | 1 | #ifndef AliHMPIDParam_h |
2 | #define AliHMPIDParam_h | |
3 | ||
4 | #include <TNamed.h> //base class | |
5 | #include <TGeoManager.h> //Instance() | |
6 | #include <TVector3.h> //Lors2Mars() Mars2Lors() | |
7 | ||
8 | static const int kCerenkov=50000050; //??? go to something more general like TPDGCode | |
9 | static const int kFeedback=50000051; //??? go to something more general like TPDGCode | |
10 | ||
11 | // Class providing all the needed parametrised information | |
12 | // to construct the geometry, to define segmentation and to provide response model | |
13 | // In future will also provide all the staff needed for alignment and calibration | |
14 | ||
15 | class AliHMPIDParam :public TNamed | |
16 | { | |
17 | public: | |
18 | //ctor&dtor | |
19 | virtual ~AliHMPIDParam() {for(Int_t i=0;i<7;i++) delete fM[i]; delete fgInstance; fgInstance=0;} | |
20 | void Print(Option_t *opt="") const; //print current parametrization | |
21 | static inline AliHMPIDParam* Instance(); //pointer to AliHMPIDParam singleton | |
22 | ||
23 | Double_t MeanIdxRad () {return 1.29204;}//??????????? | |
24 | Double_t MeanIdxWin () {return 1.57819;}//??????????? | |
25 | static Int_t Stack(Int_t evt=-1,Int_t tid=-1); //Print stack info for event and tid | |
26 | static Int_t StackCount(Int_t pid,Int_t evt); //Counts stack particles of given sort in given event | |
27 | //trasformation methodes | |
28 | void Lors2Mars (Int_t c,Float_t x,Float_t y,Double_t *m,Int_t pl=kPc)const{Double_t z=0; switch(pl){case kPc:z=8.0;break; case kAnod:z=7.806;break; case kRad:z=-1.25; break;} Double_t l[3]={x-fX,y-fY,z}; fM[c]->LocalToMaster(l,m); } | |
29 | TVector3 Lors2Mars (Int_t c,Float_t x,Float_t y, Int_t pl=kPc)const{Double_t m[3];Lors2Mars(c,x,y,m,pl); return TVector3(m); }//MRS->LRS | |
30 | void Mars2Lors (Int_t c,Double_t *m,Float_t &x,Float_t &y )const{Double_t l[3];fM[c]->MasterToLocal(m,l);x=l[0]+fX;y=l[1]+fY;}//MRS->LRS | |
31 | void Mars2LorsVec(Int_t c,Double_t *m,Float_t &th,Float_t &ph )const{Double_t l[3]; fM[c]->MasterToLocalVect(m,l); Float_t pt=TMath::Sqrt(l[0]*l[0]+l[1]*l[1]); th=TMath::ATan(l[3]/pt); ph=TMath::ATan(l[0]/pt);} | |
32 | TVector3 Norm (Int_t c )const{Double_t n[3]; Norm(c,n); return TVector3(n); }//norm | |
33 | void Norm (Int_t c,Double_t *n )const{Double_t l[3]={0,0,1};fM[c]->LocalToMasterVect(l,n); }//norm | |
34 | ||
35 | enum EPlaneId {kPc,kRad,kAnod}; //3 planes in chamber | |
36 | protected: | |
37 | AliHMPIDParam(); //default ctor is protected to enforce it to be singleton | |
38 | static AliHMPIDParam *fgInstance; //static pointer to instance of AliHMPIDParam singleton | |
39 | TGeoHMatrix *fM[7]; //poiners to matrices defining HMPID chambers rotations-translations | |
40 | Float_t fX; //x shift of LORS with respect to rotated MARS | |
41 | Float_t fY; //y shift of LORS with respect to rotated MARS | |
42 | ClassDef(AliHMPIDParam,0) //HMPID main parameters class | |
43 | }; | |
cf7e313e | 44 | |
45 | typedef AliHMPIDParam AliRICHParam; // for backward compatibility | |
46 | ||
d3da6dc4 | 47 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
48 | AliHMPIDParam* AliHMPIDParam::Instance() | |
49 | { | |
50 | // Return pointer to the AliHMPIDParam singleton. | |
51 | // Arguments: none | |
52 | // Returns: pointer to the instance of AliHMPIDParam or 0 if no geometry | |
53 | if(!fgInstance) | |
54 | if(gGeoManager) new AliHMPIDParam; | |
55 | else Printf("AliHMPIDParam> Error:: No geometry defined!"); | |
56 | return fgInstance; | |
57 | }//Instance() | |
58 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
59 | ||
60 | #endif |