void AddTidOffset(Int_t offset ) {for (Int_t i=0; i<3; i++) if (fTracks[i]>0) fTracks[i]+=offset; } //needed for merging
Int_t Ch ( )const{return A2C(fPad); } //chamber number
static Bool_t IsOverTh (Float_t q ) {return q >= fgSigmas; } //is digit over threshold?
- static Bool_t IsInside (Float_t x,Float_t y,Float_t margin=0){return x>-margin&&y>-margin&&x<SizeAllX()+margin&&y<SizeAllY()+margin;} //is point inside chamber boundary?
+ inline static Bool_t IsInDead(Float_t x,Float_t y ); //is point in dead area?
+ 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 boundary?
Float_t LorsX ( )const{return LorsX(A2P(fPad),A2X(fPad)); } //center of the pad x, [cm]
- static Float_t LorsX (Int_t pc,Int_t padx ) {return (padx +0.5)*SizePadX()+(pc %2)*(SizePcX()+SizeDead());} //center of the pad x, [cm]
+ static Float_t LorsX (Int_t pc,Int_t padx ) {return (padx +0.5)*SizePadX()+fgkMinPcX[pc]; } //center of the pad x, [cm]
Float_t LorsY ( )const{return LorsY(A2P(fPad),A2Y(fPad)); } //center of the pad y, [cm]
- static Float_t LorsY (Int_t pc,Int_t pady ) {return (pady +0.5)*SizePadY()+(pc /2)*(SizePcY()+SizeDead());} //center of the pad y, [cm]
+ static Float_t LorsY (Int_t pc,Int_t pady ) {return (pady +0.5)*SizePadY()+fgkMinPcY[pc]; } //center of the pad y, [cm]
inline Float_t IntMathieson(Float_t x,Float_t y )const; //Mathieson distribution
Int_t PadPcX ( )const{return A2X(fPad);} //pad pc x # 0..79
Int_t PadPcY ( )const{return A2Y(fPad);} //pad pc y # 0..47
void SetNsig (Int_t sigmas ) {fgSigmas=sigmas;} //set n sigmas
static void WriteRaw (TObjArray *pDigLst ); //write as raw stream
- static Float_t CathAnoCath ( ) {return 0.445;} //Cathode-Anode-cathode pitch
static Float_t MaxPcX (Int_t iPc ) {return fgkMaxPcX[iPc];} // PC limits
static Float_t MaxPcY (Int_t iPc ) {return fgkMaxPcY[iPc];} // PC limits
static Float_t MinPcX (Int_t iPc ) {return fgkMinPcX[iPc];} // PC limits
static Int_t Nsig ( ) {return fgSigmas;} //Getter n. sigmas for noise
static Float_t SizeAllX ( ) {return fgkMaxPcX[5];} //all PCs size x, [cm]
static Float_t SizeAllY ( ) {return fgkMaxPcY[5];} //all PCs size y, [cm]
- static Float_t SizeArea ( ) {return SizePcX()*SizePcY()*(kMaxPc-kMinPc+1);} //sence area, [cm^2]
- static Float_t SizeDead ( ) {return 2.6;} //dead zone size x, [cm]
- static Float_t SizeGap ( ) {return 8; }
static Float_t SizePadX ( ) {return 0.8;} //pad size x, [cm]
static Float_t SizePadY ( ) {return 0.84;} //pad size y, [cm]
- static Float_t SizePcX ( ) {return fgkMaxPcX[0];} //PC size x, [cm]
- static Float_t SizePcY ( ) {return fgkMaxPcY[0];} //PC size y, [cm]
- static Float_t SizeWin ( ) {return 0.5;} //Quartz window width
- static Float_t SizeRad ( ) {return 1.5;} //Rad width
- inline static Bool_t IsInDead(Float_t x,Float_t y ); //is point in dead area?
inline static void Lors2Pad(Float_t x,Float_t y,Int_t &pc,Int_t &px,Int_t &py); //(x,y)->(pc,px,py)
protected: //AliDigit has fTracks[3]
static Int_t fgSigmas; //n. sigma to cut on charge
static const Float_t fgkMinPcY[6]; //limits PC
static const Float_t fgkMaxPcX[6]; //limits PC
static const Float_t fgkMaxPcY[6]; //limits PC
- static const Float_t fgk1; //Mathieson parameters
- static const Float_t fgk2; //...
- static const Float_t fgkSqrtK3; //...
- static const Float_t fgk4; //...
Int_t fPad; //absolute pad number
Float_t fQ; //QDC value, fractions are permitted for summable procedure
ClassDef(AliHMPIDDigit,4) //HMPID digit class
// Arguments: x,y- position [cm] in LORS; pc,px,py- pad where to store the result
// Returns: none
pc=px=py=-1;
- if (x>= 0 && x<= SizePcX() ) {pc=0; px=Int_t( x / SizePadX());}//PC 0 or 2 or 4
- else if(x>=SizePcX()+SizeDead() && x<= SizeAllX() ) {pc=1; px=Int_t((x- SizePcX()- SizeDead()) / SizePadX());}//PC 2 or 4 or 6
+ if (x>fgkMinPcX[0] && x<fgkMaxPcX[0]) {pc=0; px=Int_t( x / SizePadX());}//PC 0 or 2 or 4
+ else if(x>fgkMinPcX[1] && x<fgkMaxPcX[1]) {pc=1; px=Int_t((x-fgkMinPcX[1]) / SizePadX());}//PC 1 or 3 or 5
else return;
- if (y>= 0 && y<= SizePcY() ) { py=Int_t( y / SizePadY());}//PC 0 or 1
- else if(y>=SizePcY()+SizeDead() && y<=2*SizePcY()+SizeDead() ) {pc+=2;py=Int_t((y- SizePcY()- SizeDead()) / SizePadY());}//PC 2 or 3
- else if(y>=SizeAllY()-SizePcY() && y<= SizeAllY() ) {pc+=4;py=Int_t((y-2*SizePcY()-2*SizeDead()) / SizePadY());}//PC 4 or 5
+ if (y>fgkMinPcY[0] && y<fgkMaxPcY[0]) { py=Int_t( y / SizePadY());}//PC 0 or 1
+ else if(y>fgkMinPcY[2] && y<fgkMaxPcY[2]) {pc+=2;py=Int_t((y-fgkMinPcY[2]) / SizePadY());}//PC 2 or 3
+ else if(y>fgkMinPcY[4] && y<fgkMaxPcY[4]) {pc+=4;py=Int_t((y-fgkMinPcY[4]) / SizePadY());}//PC 4 or 5
else return;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Check is the current point is outside of sensitive area or in dead zones
// Arguments: x,y -position
// Returns: 1 if not in sensitive zone
- if(x<0 || x>SizeAllX() || y<0 || y>SizeAllY()) return kTRUE; //out of pc
+ for(Int_t iPc=0;iPc<=6;iPc++)
+ if(x>fgkMinPcX[iPc] && x<fgkMaxPcX[iPc] && y>fgkMinPcY[iPc] && y<fgkMaxPcY [iPc]) return kFALSE; //in current pc
- if(x>SizePcX() && x<SizePcX()+SizeDead()) return kTRUE; //in dead zone along x
-
- if(y>SizePcY() && y<SizePcY()+SizeDead()) return kTRUE; //in first dead zone along y
- if(y>SizeAllY()-SizePcY()-SizeDead() && y<SizeAllY()-SizePcY()) return kTRUE; //in second dead zone along y
- return kFALSE;
+ return kTRUE;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Float_t AliHMPIDDigit::IntMathieson(Float_t x,Float_t y)const
// This is the answer to electrostatic problem of charge distrubution in MWPC described elsewhere. (NIM A370(1988)602-603)
// Arguments: x,y- position of the center of Mathieson distribution
// Returns: a charge fraction [0-1] imposed into the pad
-// K1 =0.28278796
-// K2 =0.96242952
-// SqrtK3=0.77459667
-// K4 =0.37932926
+ Float_t kK2=0.96242952, kSqrtK3 =0.77459667, kK4=0.37932926;
- Float_t ux1=fgkSqrtK3*TMath::TanH(fgk2*(x-LorsX()+0.5*SizePadX())/CathAnoCath());
- Float_t ux2=fgkSqrtK3*TMath::TanH(fgk2*(x-LorsX()-0.5*SizePadX())/CathAnoCath());
- Float_t uy1=fgkSqrtK3*TMath::TanH(fgk2*(y-LorsY()+0.5*SizePadY())/CathAnoCath());
- Float_t uy2=fgkSqrtK3*TMath::TanH(fgk2*(y-LorsY()-0.5*SizePadY())/CathAnoCath());
- return 4*fgk4*(TMath::ATan(ux2)-TMath::ATan(ux1))*fgk4*(TMath::ATan(uy2)-TMath::ATan(uy1));
+ Float_t ux1=kSqrtK3*TMath::TanH(kK2*(x-LorsX()+0.5*SizePadX())/0.445);
+ Float_t ux2=kSqrtK3*TMath::TanH(kK2*(x-LorsX()-0.5*SizePadX())/0.445);
+ Float_t uy1=kSqrtK3*TMath::TanH(kK2*(y-LorsY()+0.5*SizePadY())/0.445);
+ Float_t uy2=kSqrtK3*TMath::TanH(kK2*(y-LorsY()-0.5*SizePadY())/0.445);
+ return 4*kK4*(TMath::ATan(ux2)-TMath::ATan(ux1))*kK4*(TMath::ATan(uy2)-TMath::ATan(uy1));
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDDigit::Raw(UInt_t &w32,Int_t &ddl,Int_t &r,Int_t &d,Int_t &a)const
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff