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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 | |
606697a8 | 22 | virtual ~AliHMPIDParam() {if (fgInstance){for(Int_t i=0;i<7;i++){delete fM[i];fM[i] = 0x0;};fgInstance=0;}} |
1d6047fb | 23 | |
24 | void Print(Option_t *opt="") const; //print current parametrization | |
25 | ||
d3da6dc4 | 26 | static inline AliHMPIDParam* Instance(); //pointer to AliHMPIDParam singleton |
58fc9564 | 27 | static inline AliHMPIDParam* InstanceNoGeo(); //pointer to AliHMPIDParam singleton without geometry.root for MOOD, displays, ... |
ae5a42aa | 28 | //geo info |
29 | enum EChamberData{kMinCh=0,kMaxCh=6,kMinPc=0,kMaxPc=5}; //Segmenation | |
30 | enum EPadxData{kPadPcX=80,kMinPx=0,kMaxPx=79,kMaxPcx=159}; //Segmentation structure along x | |
31 | enum EPadyData{kPadPcY=48,kMinPy=0,kMaxPy=47,kMaxPcy=143}; //Segmentation structure along y | |
32 | ||
a8ff381e | 33 | static Float_t SizePadX ( ) {return fgCellX; } //pad size x, [cm] |
34 | static Float_t SizePadY ( ) {return fgCellY; } //pad size y, [cm] | |
ae5a42aa | 35 | |
a8ff381e | 36 | static Float_t SizePcX ( ) {return fgPcX; } // PC size x |
37 | static Float_t SizePcY ( ) {return fgPcY; } // PC size y | |
38 | static Float_t MaxPcX (Int_t iPc ) {return fgkMaxPcX[iPc]; } // PC limits | |
39 | static Float_t MaxPcY (Int_t iPc ) {return fgkMaxPcY[iPc]; } // PC limits | |
40 | static Float_t MinPcX (Int_t iPc ) {return fgkMinPcX[iPc]; } // PC limits | |
41 | static Float_t MinPcY (Int_t iPc ) {return fgkMinPcY[iPc]; } // PC limits | |
42 | static Int_t Nsig ( ) {return fgSigmas; } //Getter n. sigmas for noise | |
43 | static Float_t SizeAllX ( ) {return fgAllX; } //all PCs size x, [cm] | |
44 | static Float_t SizeAllY ( ) {return fgAllY; } //all PCs size y, [cm] | |
ae5a42aa | 45 | |
a8ff381e | 46 | static Float_t LorsX (Int_t pc,Int_t padx ) {return (padx +0.5)*SizePadX()+fgkMinPcX[pc]; } //center of the pad x, [cm] |
ae5a42aa | 47 | |
a8ff381e | 48 | static Float_t LorsY (Int_t pc,Int_t pady ) {return (pady +0.5)*SizePadY()+fgkMinPcY[pc]; } //center of the pad y, [cm] |
ae5a42aa | 49 | |
a8ff381e | 50 | 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 | 51 | |
a8ff381e | 52 | 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 | 53 | static Int_t DDL2C (Int_t ddl ) {return ddl/2; } //ddl -> chamber |
a8ff381e | 54 | static Int_t A2C (Int_t pad ) {return pad/100000000; } //abs pad -> chamber |
55 | static Int_t A2P (Int_t pad ) {return pad%100000000/1000000; } //abs pad -> pc | |
56 | static Int_t A2X (Int_t pad ) {return pad%1000000/1000; } //abs pad -> pad X | |
57 | static Int_t A2Y (Int_t pad ) {return pad%1000; } //abs pad -> pad Y | |
ae5a42aa | 58 | |
a8ff381e | 59 | static Bool_t IsOverTh (Float_t q ) {return q >= fgSigmas; } //is digit over threshold? |
60 | ||
b38ac33a | 61 | Double_t GetRefIdx ( )const{return fRadNmean; } //refractive index of freon |
62 | Bool_t GetInstType ( )const{return fgInstanceType; } //return if the instance is from geom or ideal | |
a8ff381e | 63 | |
64 | inline static Bool_t IsInDead(Float_t x,Float_t y ); //is the point in dead area? | |
7656d8ac | 65 | inline static Int_t InHVSector( Float_t y ); //find HV sector |
a8ff381e | 66 | 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 | 67 | |
a8ff381e | 68 | Double_t MeanIdxRad ()const {return 1.29204;} //<--TEMPORAR--> to be removed in future. Mean ref index C6F14 |
ae5a42aa | 69 | Double_t MeanIdxWin ()const {return 1.57819;} //<--TEMPORAR--> to be removed in future. Mean ref index quartz |
70 | Float_t DistCut ()const {return 1.0;} //<--TEMPORAR--> to be removed in future. Cut for MIP-TRACK residual | |
71 | Float_t QCut ()const {return 100;} //<--TEMPORAR--> to be removed in future. Separation PHOTON-MIP charge | |
72 | Float_t MultCut ()const {return 200;} //<--TEMPORAR--> to be removed in future. Multiplicity cut to activate WEIGHT procedure | |
73 | ||
a8ff381e | 74 | Double_t RadThick ()const {return 1.5;} //<--TEMPORAR--> to be removed in future. Radiator thickness |
75 | Double_t WinThick ()const {return 0.5;} //<--TEMPORAR--> to be removed in future. Window thickness | |
76 | Double_t GapThick ()const {return 8.0;} //<--TEMPORAR--> to be removed in future. Proximity gap thickness | |
77 | Double_t WinIdx ()const {return 1.5787;} //<--TEMPORAR--> to be removed in future. Mean refractive index of WIN material (SiO2) | |
78 | Double_t GapIdx ()const {return 1.0005;} //<--TEMPORAR--> to be removed in future. Mean refractive index of GAP material (CH4) | |
ae5a42aa | 79 | |
d3da6dc4 | 80 | static Int_t Stack(Int_t evt=-1,Int_t tid=-1); //Print stack info for event and tid |
81 | static Int_t StackCount(Int_t pid,Int_t evt); //Counts stack particles of given sort in given event | |
1d4857c5 | 82 | static void IdealPosition(Int_t iCh,TGeoHMatrix *m); //ideal position of given chamber |
83 | //trasformation methodes | |
d3da6dc4 | 84 | 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); } |
85 | 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 | 86 | 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 | 87 | void Mars2LorsVec(Int_t c,Double_t *m,Float_t &th,Float_t &ph )const{Double_t l[3]; fM[c]->MasterToLocalVect(m,l); |
88 | Float_t pt=TMath::Sqrt(l[0]*l[0]+l[1]*l[1]); | |
89 | th=TMath::ATan(pt/l[2]); | |
90 | ph=TMath::ATan2(l[1],l[0]);} | |
d3da6dc4 | 91 | TVector3 Norm (Int_t c )const{Double_t n[3]; Norm(c,n); return TVector3(n); }//norm |
92 | void Norm (Int_t c,Double_t *n )const{Double_t l[3]={0,0,1};fM[c]->LocalToMasterVect(l,n); }//norm | |
59d9d4b3 | 93 | void Point (Int_t c,Double_t *p,Int_t plane )const{Lors2Mars(c,0,0,p,plane);} //point of given chamber plane |
58fc9564 | 94 | |
b38ac33a | 95 | void SetRefIdx (Double_t refRadIdx ) {fRadNmean = refRadIdx;} //set refractive index of freon |
96 | void SetSigmas (Int_t sigmas ) {fgSigmas = sigmas;} //set sigma cut | |
97 | void SetInstanceType(Bool_t inst ) {fgInstanceType = inst;} //kTRUE if from geomatry kFALSE if from ideal geometry | |
3278403b | 98 | //For PID |
99 | Double_t SigLoc (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to cathode segmetation | |
100 | Double_t SigGeom (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to unknown photon origin | |
101 | Double_t SigCrom (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh,Double_t beta);//error due to unknonw photon energy | |
102 | Double_t Sigma2 (Double_t trkTheta,Double_t trkPhi,Double_t ckovTh,Double_t ckovPh );//photon candidate sigma^2 | |
c770ceb9 | 103 | |
104 | //Mathieson Getters | |
a8ff381e | 105 | |
c770ceb9 | 106 | static Double_t PitchAnodeCathode() {return fgkD;} |
107 | static Double_t SqrtK3x() {return fgkSqrtK3x;} | |
108 | static Double_t K2x () {return fgkK2x;} | |
109 | static Double_t K1x () {return fgkK1x;} | |
110 | static Double_t K4x () {return fgkK4x;} | |
111 | static Double_t SqrtK3y() {return fgkSqrtK3y;} | |
112 | static Double_t K2y () {return fgkK2y;} | |
113 | static Double_t K1y () {return fgkK1y;} | |
114 | static Double_t K4y () {return fgkK4y;} | |
115 | // | |
d3da6dc4 | 116 | enum EPlaneId {kPc,kRad,kAnod}; //3 planes in chamber |
a8ff381e | 117 | enum ETrackingFlags {kMipDistCut=-9,kMipQdcCut=-5,kNoPhotAccept=-11}; //flags for Reconstruction |
ae5a42aa | 118 | |
d3da6dc4 | 119 | protected: |
ae5a42aa | 120 | static /*const*/ Float_t fgkMinPcX[6]; //limits PC |
121 | static /*const*/ Float_t fgkMinPcY[6]; //limits PC | |
122 | static /*const*/ Float_t fgkMaxPcX[6]; //limits PC | |
123 | static /*const*/ Float_t fgkMaxPcY[6]; | |
c770ceb9 | 124 | |
125 | // Mathieson constants | |
126 | // For HMPID --> x direction means parallel to the wires: K3 = 0.66 (NIM A270 (1988) 602-603) fig.1 | |
127 | // For HMPID --> y direction means perpendicular to the wires: K3 = 0.90 (NIM A270 (1988) 602-603) fig.2 | |
128 | // | |
ae5a42aa | 129 | |
c770ceb9 | 130 | static const Double_t fgkD; // ANODE-CATHODE distance 0.445/2 |
131 | ||
132 | static const Double_t fgkSqrtK3x,fgkK2x,fgkK1x,fgkK4x; | |
133 | static const Double_t fgkSqrtK3y,fgkK2y,fgkK1y,fgkK4y; | |
134 | // | |
135 | ||
b38ac33a | 136 | static Int_t fgSigmas; //sigma Cut |
137 | static Bool_t fgInstanceType; //kTRUE if from geomatry kFALSE if from ideal geometry | |
138 | ||
139 | static Float_t fgCellX, fgCellY, fgPcX, fgPcY, fgAllX, fgAllY; //definition of HMPID geometric parameters | |
58fc9564 | 140 | AliHMPIDParam(Bool_t noGeo); //default ctor is protected to enforce it to be singleton |
ae5a42aa | 141 | |
d3da6dc4 | 142 | static AliHMPIDParam *fgInstance; //static pointer to instance of AliHMPIDParam singleton |
ae5a42aa | 143 | |
423554a3 | 144 | TGeoHMatrix *fM[7]; //pointers to matrices defining HMPID chambers rotations-translations |
145 | Float_t fX; //x shift of LORS with respect to rotated MARS | |
146 | Float_t fY; //y shift of LORS with respect to rotated MARS | |
a8ff381e | 147 | Double_t fRadNmean; //C6F14 mean index as a running parameter |
58fc9564 | 148 | |
8f05fd11 | 149 | private: |
150 | AliHMPIDParam(const AliHMPIDParam& r); //dummy copy constructor | |
151 | AliHMPIDParam &operator=(const AliHMPIDParam& r); //dummy assignment operator | |
152 | ||
d3da6dc4 | 153 | ClassDef(AliHMPIDParam,0) //HMPID main parameters class |
154 | }; | |
cf7e313e | 155 | |
d3da6dc4 | 156 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
157 | AliHMPIDParam* AliHMPIDParam::Instance() | |
158 | { | |
159 | // Return pointer to the AliHMPIDParam singleton. | |
160 | // Arguments: none | |
161 | // Returns: pointer to the instance of AliHMPIDParam or 0 if no geometry | |
58fc9564 | 162 | if(!fgInstance) new AliHMPIDParam(kFALSE); //default setting for reconstruction, if no geometry.root -> AliFatal |
163 | return fgInstance; | |
164 | }//Instance() | |
165 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
166 | AliHMPIDParam* AliHMPIDParam::InstanceNoGeo() | |
167 | { | |
168 | // Return pointer to the AliHMPIDParam singleton without the geometry.root. | |
169 | // Arguments: none | |
170 | // Returns: pointer to the instance of AliHMPIDParam or 0 if no geometry | |
171 | if(!fgInstance) new AliHMPIDParam(kTRUE); //to avoid AliFatal, for MOOD and displays, use ideal geometry parameters | |
d3da6dc4 | 172 | return fgInstance; |
173 | }//Instance() | |
174 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
ae5a42aa | 175 | Bool_t AliHMPIDParam::IsInDead(Float_t x,Float_t y) |
176 | { | |
177 | // Check is the current point is outside of sensitive area or in dead zones | |
178 | // Arguments: x,y -position | |
179 | // Returns: 1 if not in sensitive zone | |
180 | for(Int_t iPc=0;iPc<6;iPc++) | |
181 | if(x>=fgkMinPcX[iPc] && x<=fgkMaxPcX[iPc] && y>=fgkMinPcY[iPc] && y<=fgkMaxPcY [iPc]) return kFALSE; //in current pc | |
182 | ||
183 | return kTRUE; | |
184 | } | |
185 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
186 | void AliHMPIDParam::Lors2Pad(Float_t x,Float_t y,Int_t &pc,Int_t &px,Int_t &py) | |
187 | { | |
188 | // Check the pad of given position | |
189 | // Arguments: x,y- position [cm] in LORS; pc,px,py- pad where to store the result | |
190 | // Returns: none | |
191 | pc=px=py=-1; | |
192 | if (x>fgkMinPcX[0] && x<fgkMaxPcX[0]) {pc=0; px=Int_t( x / SizePadX());}//PC 0 or 2 or 4 | |
193 | else if(x>fgkMinPcX[1] && x<fgkMaxPcX[1]) {pc=1; px=Int_t((x-fgkMinPcX[1]) / SizePadX());}//PC 1 or 3 or 5 | |
194 | else return; | |
195 | if (y>fgkMinPcY[0] && y<fgkMaxPcY[0]) { py=Int_t( y / SizePadY());}//PC 0 or 1 | |
196 | else if(y>fgkMinPcY[2] && y<fgkMaxPcY[2]) {pc+=2;py=Int_t((y-fgkMinPcY[2]) / SizePadY());}//PC 2 or 3 | |
197 | else if(y>fgkMinPcY[4] && y<fgkMaxPcY[4]) {pc+=4;py=Int_t((y-fgkMinPcY[4]) / SizePadY());}//PC 4 or 5 | |
198 | else return; | |
199 | } | |
49881df7 | 200 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
7656d8ac | 201 | Int_t AliHMPIDParam::InHVSector(Float_t y) |
49881df7 | 202 | { |
7656d8ac | 203 | //Calculate the HV sector corresponding to the cluster position |
204 | //Arguments: y | |
205 | //Returns the HV sector in the single module | |
206 | ||
207 | Int_t hvsec = -1; | |
208 | Int_t pc,px,py; | |
209 | Lors2Pad(1.,y,pc,px,py); | |
210 | if(py==-1) return hvsec; | |
211 | ||
212 | hvsec = (py+(pc/2)*(kMaxPy+1))/((kMaxPy+1)/2); | |
213 | ||
214 | return hvsec; | |
49881df7 | 215 | } |
216 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
d3da6dc4 | 217 | #endif |