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d3da6dc4 | 1 | #ifndef AliHMPIDParam_h |
2 | #define AliHMPIDParam_h | |
3010c308 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
d3da6dc4 | 5 | |
3010c308 | 6 | /* $Id$ */ |
7 | ||
8 | #include <TMath.h> | |
d3da6dc4 | 9 | #include <TNamed.h> //base class |
10 | #include <TGeoManager.h> //Instance() | |
268f57b1 | 11 | #include <TGeoMatrix.h> //Instance() |
d3da6dc4 | 12 | #include <TVector3.h> //Lors2Mars() Mars2Lors() |
13 | ||
d3da6dc4 | 14 | // Class providing all the needed parametrised information |
15 | // to construct the geometry, to define segmentation and to provide response model | |
16 | // In future will also provide all the staff needed for alignment and calibration | |
17 | ||
18 | class AliHMPIDParam :public TNamed | |
19 | { | |
20 | public: | |
21 | //ctor&dtor | |
22 | virtual ~AliHMPIDParam() {for(Int_t i=0;i<7;i++) delete fM[i]; delete fgInstance; fgInstance=0;} | |
23 | void Print(Option_t *opt="") const; //print current parametrization | |
24 | static inline AliHMPIDParam* Instance(); //pointer to AliHMPIDParam singleton | |
58fc9564 | 25 | static inline AliHMPIDParam* InstanceNoGeo(); //pointer to AliHMPIDParam singleton without geometry.root for MOOD, displays, ... |
ae5a42aa | 26 | //geo info |
27 | enum EChamberData{kMinCh=0,kMaxCh=6,kMinPc=0,kMaxPc=5}; //Segmenation | |
28 | enum EPadxData{kPadPcX=80,kMinPx=0,kMaxPx=79,kMaxPcx=159}; //Segmentation structure along x | |
29 | enum EPadyData{kPadPcY=48,kMinPy=0,kMaxPy=47,kMaxPcy=143}; //Segmentation structure along y | |
30 | ||
a8ff381e | 31 | static Float_t SizePadX ( ) {return fgCellX; } //pad size x, [cm] |
32 | static Float_t SizePadY ( ) {return fgCellY; } //pad size y, [cm] | |
ae5a42aa | 33 | |
a8ff381e | 34 | static Float_t SizePcX ( ) {return fgPcX; } // PC size x |
35 | static Float_t SizePcY ( ) {return fgPcY; } // PC size y | |
36 | static Float_t MaxPcX (Int_t iPc ) {return fgkMaxPcX[iPc]; } // PC limits | |
37 | static Float_t MaxPcY (Int_t iPc ) {return fgkMaxPcY[iPc]; } // PC limits | |
38 | static Float_t MinPcX (Int_t iPc ) {return fgkMinPcX[iPc]; } // PC limits | |
39 | static Float_t MinPcY (Int_t iPc ) {return fgkMinPcY[iPc]; } // PC limits | |
40 | static Int_t Nsig ( ) {return fgSigmas; } //Getter n. sigmas for noise | |
41 | static Float_t SizeAllX ( ) {return fgAllX; } //all PCs size x, [cm] | |
42 | static Float_t SizeAllY ( ) {return fgAllY; } //all PCs size y, [cm] | |
ae5a42aa | 43 | |
a8ff381e | 44 | static Float_t LorsX (Int_t pc,Int_t padx ) {return (padx +0.5)*SizePadX()+fgkMinPcX[pc]; } //center of the pad x, [cm] |
ae5a42aa | 45 | |
a8ff381e | 46 | static Float_t LorsY (Int_t pc,Int_t pady ) {return (pady +0.5)*SizePadY()+fgkMinPcY[pc]; } //center of the pad y, [cm] |
ae5a42aa | 47 | |
a8ff381e | 48 | inline static void Lors2Pad(Float_t x,Float_t y,Int_t &pc,Int_t &px,Int_t &py); //(x,y)->(pc,px,py) |
ae5a42aa | 49 | |
a8ff381e | 50 | static Int_t Abs (Int_t ch,Int_t pc,Int_t x,Int_t y) {return ch*100000000+pc*1000000+x*1000+y; } //(ch,pc,padx,pady)-> abs pad |
56c73976 | 51 | static Int_t DDL2C (Int_t ddl ) {return ddl/2; } //ddl -> chamber |
a8ff381e | 52 | static Int_t A2C (Int_t pad ) {return pad/100000000; } //abs pad -> chamber |
53 | static Int_t A2P (Int_t pad ) {return pad%100000000/1000000; } //abs pad -> pc | |
54 | static Int_t A2X (Int_t pad ) {return pad%1000000/1000; } //abs pad -> pad X | |
55 | static Int_t A2Y (Int_t pad ) {return pad%1000; } //abs pad -> pad Y | |
ae5a42aa | 56 | |
a8ff381e | 57 | static Bool_t IsOverTh (Float_t q ) {return q >= fgSigmas; } //is digit over threshold? |
58 | ||
59 | Double_t GetRefIdx ( ) {return fRadNmean; } //refractive index of freon | |
b87365d5 | 60 | Bool_t GetInstType ( ) {return fgInstanceType; } //return if the instance is from geom or ideal |
a8ff381e | 61 | |
62 | inline static Bool_t IsInDead(Float_t x,Float_t y ); //is the point in dead area? | |
63 | static Bool_t IsInside (Float_t x,Float_t y,Float_t d=0) {return x>-d&&y>-d&&x<fgkMaxPcX[kMaxPc]+d&&y<fgkMaxPcY[kMaxPc]+d; } //is point inside chamber boundaries? | |
ae5a42aa | 64 | |
a8ff381e | 65 | Double_t MeanIdxRad ()const {return 1.29204;} //<--TEMPORAR--> to be removed in future. Mean ref index C6F14 |
ae5a42aa | 66 | Double_t MeanIdxWin ()const {return 1.57819;} //<--TEMPORAR--> to be removed in future. Mean ref index quartz |
67 | Float_t DistCut ()const {return 1.0;} //<--TEMPORAR--> to be removed in future. Cut for MIP-TRACK residual | |
68 | Float_t QCut ()const {return 100;} //<--TEMPORAR--> to be removed in future. Separation PHOTON-MIP charge | |
69 | Float_t MultCut ()const {return 200;} //<--TEMPORAR--> to be removed in future. Multiplicity cut to activate WEIGHT procedure | |
70 | ||
a8ff381e | 71 | Double_t RadThick ()const {return 1.5;} //<--TEMPORAR--> to be removed in future. Radiator thickness |
72 | Double_t WinThick ()const {return 0.5;} //<--TEMPORAR--> to be removed in future. Window thickness | |
73 | Double_t GapThick ()const {return 8.0;} //<--TEMPORAR--> to be removed in future. Proximity gap thickness | |
74 | Double_t WinIdx ()const {return 1.5787;} //<--TEMPORAR--> to be removed in future. Mean refractive index of WIN material (SiO2) | |
75 | Double_t GapIdx ()const {return 1.0005;} //<--TEMPORAR--> to be removed in future. Mean refractive index of GAP material (CH4) | |
ae5a42aa | 76 | |
d3da6dc4 | 77 | static Int_t Stack(Int_t evt=-1,Int_t tid=-1); //Print stack info for event and tid |
78 | static Int_t StackCount(Int_t pid,Int_t evt); //Counts stack particles of given sort in given event | |
1d4857c5 | 79 | static void IdealPosition(Int_t iCh,TGeoHMatrix *m); //ideal position of given chamber |
80 | //trasformation methodes | |
d3da6dc4 | 81 | 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); } |
82 | 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 | |
59d9d4b3 | 83 | 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 |
86568433 | 84 | void Mars2LorsVec(Int_t c,Double_t *m,Float_t &th,Float_t &ph )const{Double_t l[3]; fM[c]->MasterToLocalVect(m,l); |
85 | Float_t pt=TMath::Sqrt(l[0]*l[0]+l[1]*l[1]); | |
86 | th=TMath::ATan(pt/l[2]); | |
87 | ph=TMath::ATan2(l[1],l[0]);} | |
d3da6dc4 | 88 | TVector3 Norm (Int_t c )const{Double_t n[3]; Norm(c,n); return TVector3(n); }//norm |
89 | void Norm (Int_t c,Double_t *n )const{Double_t l[3]={0,0,1};fM[c]->LocalToMasterVect(l,n); }//norm | |
59d9d4b3 | 90 | void Point (Int_t c,Double_t *p,Int_t plane )const{Lors2Mars(c,0,0,p,plane);} //point of given chamber plane |
58fc9564 | 91 | |
a8ff381e | 92 | void SetRefIdx (Double_t refRadIdx ) {fRadNmean = refRadIdx;} //set refractive index of freon |
b87365d5 | 93 | |
3278403b | 94 | //For PID |
95 | Double_t SigLoc (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to cathode segmetation | |
96 | Double_t SigGeom (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to unknown photon origin | |
97 | Double_t SigCrom (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to unknonw photon energy | |
98 | Double_t Sigma2 (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh );//photon candidate sigma^2 | |
a8ff381e | 99 | |
d3da6dc4 | 100 | enum EPlaneId {kPc,kRad,kAnod}; //3 planes in chamber |
a8ff381e | 101 | enum ETrackingFlags {kMipDistCut=-9,kMipQdcCut=-5,kNoPhotAccept=-11}; //flags for Reconstruction |
ae5a42aa | 102 | |
b87365d5 | 103 | static Int_t fgSigmas; //sigma Cut |
104 | static Bool_t fgInstanceType; //kTRUE if from geomatry kFALSE if from ideal geometry | |
105 | ||
d3da6dc4 | 106 | protected: |
ae5a42aa | 107 | static /*const*/ Float_t fgkMinPcX[6]; //limits PC |
108 | static /*const*/ Float_t fgkMinPcY[6]; //limits PC | |
109 | static /*const*/ Float_t fgkMaxPcX[6]; //limits PC | |
110 | static /*const*/ Float_t fgkMaxPcY[6]; | |
111 | ||
112 | static Float_t fgCellX, fgCellY, fgPcX, fgPcY, fgAllX, fgAllY; | |
58fc9564 | 113 | AliHMPIDParam(Bool_t noGeo); //default ctor is protected to enforce it to be singleton |
ae5a42aa | 114 | |
d3da6dc4 | 115 | static AliHMPIDParam *fgInstance; //static pointer to instance of AliHMPIDParam singleton |
ae5a42aa | 116 | |
423554a3 | 117 | TGeoHMatrix *fM[7]; //pointers to matrices defining HMPID chambers rotations-translations |
118 | Float_t fX; //x shift of LORS with respect to rotated MARS | |
119 | Float_t fY; //y shift of LORS with respect to rotated MARS | |
a8ff381e | 120 | Double_t fRadNmean; //C6F14 mean index as a running parameter |
58fc9564 | 121 | |
8f05fd11 | 122 | private: |
123 | AliHMPIDParam(const AliHMPIDParam& r); //dummy copy constructor | |
124 | AliHMPIDParam &operator=(const AliHMPIDParam& r); //dummy assignment operator | |
125 | ||
d3da6dc4 | 126 | ClassDef(AliHMPIDParam,0) //HMPID main parameters class |
127 | }; | |
cf7e313e | 128 | |
d3da6dc4 | 129 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
130 | AliHMPIDParam* AliHMPIDParam::Instance() | |
131 | { | |
132 | // Return pointer to the AliHMPIDParam singleton. | |
133 | // Arguments: none | |
134 | // Returns: pointer to the instance of AliHMPIDParam or 0 if no geometry | |
58fc9564 | 135 | if(!fgInstance) new AliHMPIDParam(kFALSE); //default setting for reconstruction, if no geometry.root -> AliFatal |
136 | return fgInstance; | |
137 | }//Instance() | |
138 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
139 | AliHMPIDParam* AliHMPIDParam::InstanceNoGeo() | |
140 | { | |
141 | // Return pointer to the AliHMPIDParam singleton without the geometry.root. | |
142 | // Arguments: none | |
143 | // Returns: pointer to the instance of AliHMPIDParam or 0 if no geometry | |
144 | if(!fgInstance) new AliHMPIDParam(kTRUE); //to avoid AliFatal, for MOOD and displays, use ideal geometry parameters | |
d3da6dc4 | 145 | return fgInstance; |
146 | }//Instance() | |
147 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
ae5a42aa | 148 | Bool_t AliHMPIDParam::IsInDead(Float_t x,Float_t y) |
149 | { | |
150 | // Check is the current point is outside of sensitive area or in dead zones | |
151 | // Arguments: x,y -position | |
152 | // Returns: 1 if not in sensitive zone | |
153 | for(Int_t iPc=0;iPc<6;iPc++) | |
154 | if(x>=fgkMinPcX[iPc] && x<=fgkMaxPcX[iPc] && y>=fgkMinPcY[iPc] && y<=fgkMaxPcY [iPc]) return kFALSE; //in current pc | |
155 | ||
156 | return kTRUE; | |
157 | } | |
158 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
159 | void AliHMPIDParam::Lors2Pad(Float_t x,Float_t y,Int_t &pc,Int_t &px,Int_t &py) | |
160 | { | |
161 | // Check the pad of given position | |
162 | // Arguments: x,y- position [cm] in LORS; pc,px,py- pad where to store the result | |
163 | // Returns: none | |
164 | pc=px=py=-1; | |
165 | if (x>fgkMinPcX[0] && x<fgkMaxPcX[0]) {pc=0; px=Int_t( x / SizePadX());}//PC 0 or 2 or 4 | |
166 | else if(x>fgkMinPcX[1] && x<fgkMaxPcX[1]) {pc=1; px=Int_t((x-fgkMinPcX[1]) / SizePadX());}//PC 1 or 3 or 5 | |
167 | else return; | |
168 | if (y>fgkMinPcY[0] && y<fgkMaxPcY[0]) { py=Int_t( y / SizePadY());}//PC 0 or 1 | |
169 | else if(y>fgkMinPcY[2] && y<fgkMaxPcY[2]) {pc+=2;py=Int_t((y-fgkMinPcY[2]) / SizePadY());}//PC 2 or 3 | |
170 | else if(y>fgkMinPcY[4] && y<fgkMaxPcY[4]) {pc+=4;py=Int_t((y-fgkMinPcY[4]) / SizePadY());}//PC 4 or 5 | |
171 | else return; | |
172 | } | |
d3da6dc4 | 173 | #endif |