class AliRICHParam :public TObject
{
public:
- AliRICHParam();
- void Recalc();//Recalculate dependent parameters after changes
- inline void Segmentation(Int_t Nx, Int_t Ny) {fNx=Nx;fNy=Ny;Recalc();}
- inline Int_t Nx() const{return fNx;}
- inline Int_t Ny() const{return fNy;}
- inline void DeadZone(Float_t a) { fDeadZone=a;Recalc();}
- inline Float_t DeadZone() const{return fDeadZone;}
- inline void PadSize(Float_t x,Float_t y) { fPadX=x;fPadY=y;Recalc();}
- inline Float_t PadX() const{return fPadX;}
- inline Float_t PadY() const{return fPadY;}
- inline Float_t PadPlaneWidth() const{return fPadPlaneWidth;}
- inline Float_t PadPlaneLength() const{return fPadPlaneLength;}
- inline void Size(Float_t x,Float_t y,Float_t z){fSizeX=x;fSizeY=y;fSizeZ=z;}
- inline void GeantSize(Float_t *pParam) const{pParam[0]=fSizeX/2;pParam[1]=fSizeY/2;pParam[2]=fSizeZ/2;}
- inline Float_t SizeX() const{return fSizeX;}
- inline Float_t SizeY() const{return fSizeY;}
- inline Float_t SizeZ() const{return fSizeZ;}
- inline void Offset(Float_t offset) { fOffset=offset;}
- inline Float_t Offset() const{return fOffset;}
- inline void AnglesDeg(Float_t xy,Float_t yz) { fAngleXY=xy;fAngleYZ=yz;}
- inline Float_t AngleYZ() const{return fAngleYZ*d2r;}
- inline Float_t AngleXY() const{return fAngleXY*d2r;}
- inline void AngleRot(Float_t angle) { fAngleRot=angle;}
- inline Float_t AngleRot() const{return fAngleRot*d2r;}
- inline void GapThickness(Float_t a) { fGapThickness=a;}
- inline Float_t GapThickness() const{return fGapThickness;}
- inline void ProximityGapThickness(Float_t a) { fProximityGapThickness=a;}
- inline Float_t ProximityGapThickness() const{return fProximityGapThickness;}
- inline void QuartzLength(Float_t a) { fQuartzLength=a;}
- inline Float_t QuartzLength() const{return fQuartzLength;}
- inline void QuartzWidth(Float_t a) { fQuartzWidth=a;}
- inline Float_t QuartzWidth() const{return fQuartzWidth;}
- inline void QuartzThickness(Float_t a) { fQuartzThickness=a;}
- inline Float_t QuartzThickness() const{return fQuartzThickness;}
- inline void OuterFreonLength(Float_t a) { fOuterFreonLength=a;}
- inline Float_t OuterFreonLength() const{return fOuterFreonLength;}
- inline void OuterFreonWidth(Float_t a) { fOuterFreonWidth=a;}
- inline Float_t OuterFreonWidth() const{return fOuterFreonWidth;}
- inline void InnerFreonLength(Float_t a) { fInnerFreonLength=a;}
- inline Float_t InnerFreonLength() const{return fInnerFreonLength;}
- inline void InnerFreonWidth(Float_t a) { fInnerFreonWidth=a;}
- inline Float_t InnerFreonWidth() const{return fInnerFreonWidth;}
- inline void FreonThickness(Float_t a) { fFreonThickness=a;}
- inline Float_t FreonThickness() const{return fFreonThickness;}
- inline void RadiatorToPads(Float_t a) { fRadiatorToPads=a;}
- inline Float_t RadiatorToPads() const{return fRadiatorToPads;}
-
- inline void SigmaIntegration(Float_t a) { fSigmaIntegration=a;}
- inline Float_t SigmaIntegration() const{return fSigmaIntegration;}
- inline void ChargeSpreadX(Float_t a) { fChargeSpreadX=a;}
- inline Float_t ChargeSpreadX() const{return fChargeSpreadX;}
- inline void ChargeSpreadY(Float_t a) { fChargeSpreadY=a;}
- inline Float_t ChargeSpreadY() const{return fChargeSpreadY;}
- inline void ChargeSlope(Float_t a) { fChargeSlope=a;}
- inline Float_t ChargeSlope() {return fChargeSlope;}
- inline void MaxAdc(Float_t a) { fMaxAdc=a;}
- inline Float_t MaxAdc() const{return fMaxAdc;}
- inline void Pitch(Float_t a) { fPitch=a;};
- inline Float_t Pitch() const{return fPitch;}
- inline void AlphaFeedback(Float_t a) { fAlphaFeedback=a;}
- inline Float_t AlphaFeedback() const{return fAlphaFeedback;}
- inline void EIonisation(Float_t a) { fEIonisation=a;}
- inline Float_t EIonisation() const{return fEIonisation;}
- inline void SqrtKx3(Float_t a) { fSqrtKx3=a;};
- inline void Kx2(Float_t a) { fKx2=a;};
- inline void Kx4(Float_t a) { fKx4=a;};
- inline void SqrtKy3(Float_t a) { fSqrtKy3=a;};
- inline void Ky2(Float_t a) { fKy2=a;};
- inline void Ky4(Float_t a) { fKy4=a;};
- inline void WireSag(Int_t a) { fWireSag=a;};
- inline void Voltage(Int_t a) { fVoltage=a;};
-protected:
- Int_t fNx; //number of pads along X
- Int_t fNy; //number of pads along Y
- Float_t fDeadZone; //spacer between PC planes, cm
- Float_t fPadX; //pad width, cm
- Float_t fPadY; //pad lenght, cm
- Float_t fPadPlaneWidth; //pad plane width, cm
- Float_t fPadPlaneLength; //pad plane length, cm
+ AliRICHParam();
+ virtual ~AliRICHParam() {;}
+
+ inline Int_t Neighbours(Int_t iPadX,Int_t iPadY,Int_t aListX[4],Int_t aListY[4])const; //pad->neibours
+ inline void SigGenInit(Float_t x,Float_t y);
+ inline Bool_t SigGenCond(Float_t x,Float_t y);
+ static Int_t Local2Pad(Float_t x,Float_t y,Int_t &padx,Int_t &pady); //(x,y)->(padx,pady), returns sector code
+ static Int_t Local2PadX(Float_t x,Float_t y) {Int_t padx,pady;Local2Pad(x,y,padx,pady);return padx;}//(x,y)->padx
+ static Int_t Local2PadY(Float_t x,Float_t y) {Int_t padx,pady;Local2Pad(x,y,padx,pady);return pady;}//(x,y)->pady
+ static void Pad2Local(Int_t padx,Int_t pady,Float_t &x,Float_t &y); //(padx,pady)->(x,y)
+ static Int_t LocalX2Wire(Float_t x) {return Int_t((x+PcSizeX()/2)/WirePitch())+1;} //x->wire number
+ static Float_t Wire2LocalX(Int_t iWireN) {return iWireN*WirePitch()-PcSizeX()/2;} //wire number->x
- Float_t fSizeX; //chamber length, cm
- Float_t fSizeY; //chamber thickness, cm
- Float_t fSizeZ; //chamber width, cm
- Float_t fAngleRot; //azimuthal rotation angle in X-Y plane, grad
- Float_t fAngleYZ; //angle between RICH chambers in YZ plane, grad
- Float_t fAngleXY; //angle between RICH chambers in XY plane, grad
- Float_t fOffset; //chambers offset from IP, cm
- Float_t fGapThickness; //gap thickness, cm
- Float_t fProximityGapThickness; //proximity gap thickness, cm
- Float_t fQuartzLength; //quartz length
- Float_t fQuartzWidth; //quartz width
- Float_t fQuartzThickness; //quartz thickness
- Float_t fOuterFreonLength; //outer freon length
- Float_t fOuterFreonWidth; //outer freon width
- Float_t fInnerFreonLength; //inner freon length
- Float_t fInnerFreonWidth; //inner freon width
- Float_t fFreonThickness; //freon thickness
- Float_t fRadiatorToPads; //distance from radiator to pads
+ Float_t Gain(Float_t y); //Returns total charge induced by single photon
+ Float_t TotalCharge(Int_t iPID,Float_t eloss,Float_t y); //Returns total charge induced by particle lost eloss GeV
+ static Float_t AssignChargeToPad(Float_t hx,Float_t hy, Int_t px, Int_t py); //Returns charge assigned to given pad for a given hit
+ void FirstPad(Float_t x,Float_t y);
+
+ static Float_t AnodeCathodeGap() {return 0.2;}
+
+ static Int_t NpadsX() {return 144;}
+ static Int_t NpadsY() {return 160;}
+ static Int_t NpadsXsec() {return NpadsX()/3;}
+ static Int_t NpadsYsec() {return NpadsY()/2;}
+ static Float_t DeadZone() {return 2.6;}
+ static Float_t PadSizeX() {return 0.84;}
+ static Float_t PadSizeY() {return 0.8;}
+ static Float_t SectorSizeX() {return NpadsX()*PadSizeX()/3;}
+ static Float_t SectorSizeY() {return NpadsY()*PadSizeY()/2;}
+ static Float_t PcSizeX() {return NpadsX()*PadSizeX()+2*DeadZone();}
+ static Float_t PcSizeY() {return NpadsY()*PadSizeY()+DeadZone();}
+ static Float_t WirePitch() {return PadSizeX()/2;}
+
+ void Size(Float_t x,Float_t y,Float_t z){fSizeX=x;fSizeY=y;fSizeZ=z;}
+ void GeantSize(Float_t *pArr) const{pArr[0]=fSizeX/2;pArr[1]=fSizeY/2;pArr[2]=fSizeZ/2;}
+ Float_t SizeX() const{return fSizeX;}
+ Float_t SizeY() const{return fSizeY;}
+ Float_t SizeZ() const{return fSizeZ;}
+ void Offset(Float_t offset) { fOffset=offset;}
+ Float_t Offset() const{return fOffset;}
+ void Angles(Float_t xy,Float_t yz) { fAngleXY=xy;fAngleYZ=yz;}
+ Float_t AngleYZ() const{return fAngleYZ*kD2r;}
+ Float_t AngleXY() const{return fAngleXY*kD2r;}
+ void AngleRot(Float_t angle) { fAngleRot=angle;}
+ Float_t AngleRot() const{return fAngleRot*kD2r;}
+ static Float_t GapThickness() {return 8.0;}
+ void ProximityGapThickness(Float_t a) { fProximityGapThickness=a;}
+ Float_t ProximityGapThickness() const{return fProximityGapThickness;}
+ void QuartzLength(Float_t a) { fQuartzLength=a;}
+ Float_t QuartzLength() const{return fQuartzLength;}
+ void QuartzWidth(Float_t a) { fQuartzWidth=a;}
+ Float_t QuartzWidth() const{return fQuartzWidth;}
+ static Float_t QuartzThickness() {return 0.5;}
+ void OuterFreonLength(Float_t a) { fOuterFreonLength=a;}
+ Float_t OuterFreonLength() const{return fOuterFreonLength;}
+ void OuterFreonWidth(Float_t a) { fOuterFreonWidth=a;}
+ Float_t OuterFreonWidth() const{return fOuterFreonWidth;}
+ void InnerFreonLength(Float_t a) { fInnerFreonLength=a;}
+ Float_t InnerFreonLength() const{return fInnerFreonLength;}
+ void InnerFreonWidth(Float_t a) { fInnerFreonWidth=a;}
+ Float_t InnerFreonWidth() const{return fInnerFreonWidth;}
+ static Float_t FreonThickness() {return 1.5;}
+ static Float_t RadiatorToPads() {return FreonThickness()+QuartzThickness()+GapThickness();}
+
+ void SigmaIntegration(Float_t a) { fSigmaIntegration=a;}
+ Float_t SigmaIntegration() const{return fSigmaIntegration;}
+ void ChargeSpreadX(Float_t a) { fChargeSpreadX=a;}
+ Float_t ChargeSpreadX() const{return fChargeSpreadX;}
+ void ChargeSpreadY(Float_t a) { fChargeSpreadY=a;}
+ Float_t ChargeSpreadY() const{return fChargeSpreadY;}
+ Float_t AreaX() const{return fSigmaIntegration*fChargeSpreadX;}
+ Float_t AreaY() const{return fSigmaIntegration*fChargeSpreadY;}
+ void ChargeSlope(Float_t a) { fChargeSlope=a;}
+ Float_t ChargeSlope() {return fChargeSlope;}
+ void MaxAdc(Int_t a) { fMaxAdc=a;}
+ Int_t MaxAdc() const{return fMaxAdc;}
+ void AlphaFeedback(Float_t a) { fAlphaFeedback=a;}
+ Float_t AlphaFeedback() const{return fAlphaFeedback;}
+ void EIonisation(Float_t a) { fEIonisation=a;}
+ Float_t EIonisation() const{return fEIonisation;}
+ static Float_t SqrtKx3() {return 0.77459667;}
+ static Float_t Kx2() {return 0.962;}
+ static Float_t Kx4() {return 0.379;}
+ static Float_t SqrtKy3() {return 0.77459667;}
+ static Float_t Ky2() {return 0.962;}
+ static Float_t Ky4() {return 0.379;}
+ void WireSag(Int_t a) { fWireSag=a;}
+ void Voltage(Int_t a) { fVoltage=a;}
+ Float_t Voltage() const{return fVoltage;}
+protected:
+ static Int_t Local2Sector(Float_t &x,Float_t &y); //(x,y)->sector
+ static Int_t Pad2Sector(Int_t &padx,Int_t &pady); //(padx,pady)->sector
+
+ Int_t fCurrentPadX,fCurrentPadY; //???
+ Int_t fCurrentWire; //???
+
+ Float_t fSizeX; Float_t fSizeY; Float_t fSizeZ; //chamber outer size, cm
+ Float_t fAngleRot; //azimuthal rotation XY plane, deg
+ Float_t fAngleYZ; //angle between chambers YZ plane, deg
+ Float_t fAngleXY; //angle between chambers XY plane, deg
+ Float_t fOffset; //chambers offset from IP, cm
+ Float_t fProximityGapThickness; //proximity gap thickness, cm
+ Float_t fQuartzLength; Float_t fQuartzWidth; //quartz window size, cm
+ Float_t fOuterFreonLength; Float_t fOuterFreonWidth; //freon box outer size, cm
+ Float_t fInnerFreonLength; Float_t fInnerFreonWidth; //freon box inner size, cm
+
Float_t fChargeSlope; //Slope of the charge distribution
Float_t fChargeSpreadX; //Width of the charge distribution in x
Float_t fChargeSpreadY; //Width of the charge distribution in y
Float_t fSigmaIntegration; //Number of sigma's used for charge distribution
Float_t fAlphaFeedback; //Feedback photons coefficient
Float_t fEIonisation; //Mean ionisation energy
- Float_t fMaxAdc; //Maximum ADC channel
- Float_t fSqrtKx3; //Mathieson parameters for x
- Float_t fKx2; //Mathieson parameters for x
- Float_t fKx4; //Mathieson parameters for x
- Float_t fSqrtKy3; //Mathieson parameters for y
- Float_t fKy2; //Mathieson parameters for y
- Float_t fKy4; //Mathieson parameters for y
- Float_t fPitch; //Anode-cathode pitch
+ Int_t fMaxAdc; //Maximum ADC channel
Int_t fWireSag; //Flag to turn on/off (0/1) wire sag
Int_t fVoltage; //Working voltage (2000, 2050, 2100, 2150)
- ClassDef(AliRICHParam,1) //RICH main parameters
+ ClassDef(AliRICHParam,2) //RICH main parameters
};
-
+//__________________________________________________________________________________________________
+void AliRICHParam::SigGenInit(Float_t x,Float_t y)
+{//Initialises pad and wire position during stepping
+ Local2Pad(x,y,fCurrentPadX,fCurrentPadY);
+ fCurrentWire= (x>0) ? Int_t(x/WirePitch())+1 : Int_t(x/WirePitch())-1 ;
+}
+//__________________________________________________________________________________________________
+Bool_t AliRICHParam::SigGenCond(Float_t x,Float_t y)
+{//Signal will be generated if particle crosses pad boundary or boundary between two wires.
+ Int_t curPadX,curPadY;
+ Local2Pad(x,y,curPadX,curPadY);
+ Int_t currentWire=(x>0) ? Int_t(x/WirePitch())+1 : Int_t(x/WirePitch())-1;
+ if((curPadX != fCurrentPadX) || (curPadY != fCurrentPadY) || (currentWire!=fCurrentWire))
+ return kTRUE;
+ else
+ return kFALSE;
+}//Bool_t AliRICHParam::SigGenCond(Float_t x,Float_t y)
+//__________________________________________________________________________________________________
+Int_t AliRICHParam::Neighbours(Int_t iPadX,Int_t iPadY,Int_t listX[4],Int_t listY[4])const
+{
+ listX[0]=iPadX; listY[0]=iPadY-1;
+ listX[1]=iPadX+1; listY[1]=iPadY;
+ listX[2]=iPadX; listY[2]=iPadY+1;
+ listX[3]=iPadX-1; listY[3]=iPadY;
+ return 4;
+}
+//__________________________________________________________________________________________________
#endif //AliRICHParam_h
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff