#include "TMath.h" //Mathieson()
#include <AliBitPacking.h> //Raw()
#include "AliHMPIDParam.h"
+//#include "AliHMPIDRawStream.h"
class TClonesArray; //Hit2Sdi()
//ctor&dtor
AliHMPIDDigit( ):AliDigit( ),fPad(AliHMPIDParam::Abs(-1,-1,-1,-1)),fQ(-1) {} //default ctor
- AliHMPIDDigit(Int_t pad,Int_t q,Int_t *t):AliDigit(t),fPad(pad ),fQ(q ) {} //digit ctor
- AliHMPIDDigit(Int_t pad,Int_t q ):AliDigit( ),fPad(pad ),fQ(q ) {} //digit ctor
- AliHMPIDDigit(const AliHMPIDDigit &d ):AliDigit(d),fPad(d.fPad),fQ(d.fQ) {} //copy ctor
+ AliHMPIDDigit(Int_t pad,Int_t q,Int_t *t):AliDigit(t),fPad(pad ),fQ(q ) {if(fQ>4095)fQ=4095;} //digit ctor
+ AliHMPIDDigit(Int_t pad,Int_t q ):AliDigit( ),fPad(pad ),fQ(q ) {if(fQ>4095)fQ=4095;} //digit ctor
+ AliHMPIDDigit(const AliHMPIDDigit &d ):AliDigit(d),fPad(d.fPad),fQ(d.fQ) {} //copy ctor
virtual ~AliHMPIDDigit() {} //dtor
//framework part
Bool_t IsSortable ( )const{return kTRUE;} //provision to use TObject::Sort()
Float_t LorsY ( )const{return AliHMPIDParam::LorsY(AliHMPIDParam::A2P(fPad),AliHMPIDParam::A2Y(fPad)); } //center of the pad y, [cm]
//
- inline Float_t Mathieson (Float_t x )const; //Mathieson distribution
- inline Float_t IntPartMathi(Float_t z, Int_t axis )const; //integral in 1-dim of Mathieson
- inline Float_t IntMathieson(Float_t x,Float_t y )const; //integral in 2-dim of Mathieson
+ inline Double_t MathiesonX (Double_t x )const; //Mathieson distribution along wires X
+ inline Double_t MathiesonY (Double_t x )const; //Mathieson distribution perp to wires Y
+ inline Double_t IntPartMathiX(Double_t z )const; //integral in 1-dim of Mathieson X
+ inline Double_t IntPartMathiY(Double_t z )const; //integral in 1-dim of Mathieson Y
+ inline Double_t IntMathieson (Double_t x,Double_t y )const; //integral in 2-dim of Mathieson
Int_t PadPcX ( )const{return AliHMPIDParam::A2X(fPad);} //pad pc x # 0..79
Int_t PadPcY ( )const{return AliHMPIDParam::A2Y(fPad);} //pad pc y # 0..47
Int_t PadChX ( )const{return (Pc()%2)*AliHMPIDParam::kPadPcX+PadPcX();} //pad ch x # 0..159
Float_t Q ( )const{return fQ;} //charge, [QDC]
inline void Raw(UInt_t &w32,Int_t &ddl,Int_t &r,Int_t &d,Int_t &a)const;
inline Bool_t Set (Int_t c,Int_t p,Int_t x,Int_t y,Int_t tid=0); //manual creation
- void SetQ (Float_t q ) {fQ=q;} //manual creation
-
+ void SetQ (Float_t q ) {fQ=q;if(fQ>4095)fQ=4095;} //setter for charge
+ void SetPad (Int_t pad ) {fPad=pad;} //setter for pad
protected: //AliDigit has fTracks[3]
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-Float_t AliHMPIDDigit::Mathieson(Float_t x)const
+Double_t AliHMPIDDigit::MathiesonX(Double_t x)const
+{
+// Mathieson function.
+// This is the answer to electrostatic problem of charge distrubution in MWPC described elsewhere. (NIM A370(1988)602-603)
+// Arguments: x- position of the center of Mathieson distribution
+// Returns: value of the Mathieson function
+
+ Double_t lambda = x/AliHMPIDParam::PitchAnodeCathode();
+ Double_t tanh = TMath::TanH(AliHMPIDParam::K2x()*lambda);
+ Double_t a=1-tanh*tanh;
+ Double_t b=1+AliHMPIDParam::SqrtK3x()*AliHMPIDParam::SqrtK3x()*tanh*tanh;
+ Double_t mathi = AliHMPIDParam::K1x()*a/b;
+ return mathi;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Double_t AliHMPIDDigit::MathiesonY(Double_t y)const
{
// Mathieson function.
// This is the answer to electrostatic problem of charge distrubution in MWPC described elsewhere. (NIM A370(1988)602-603)
// Arguments: x- position of the center of Mathieson distribution
// Returns: value of the Mathieson function
- Float_t kK1=0.28278795,kK2=0.96242952, kSqrtK3 =0.77459667, kD=0.445;
- Float_t lambda = x/kD;
- Float_t a=1-TMath::TanH(kK2*lambda)*TMath::TanH(kK2*lambda);
- Float_t b=1+kSqrtK3*kSqrtK3*TMath::TanH(kK2*lambda)*TMath::TanH(kK2*lambda);
- Float_t mathi = kK1*a/b;
+
+ Double_t lambda = y/AliHMPIDParam::PitchAnodeCathode();
+ Double_t tanh = TMath::TanH(AliHMPIDParam::K2y()*lambda);
+ Double_t a=1-tanh*tanh;
+ Double_t b=1+AliHMPIDParam::SqrtK3y()*AliHMPIDParam::SqrtK3y()*tanh*tanh;
+ Double_t mathi = AliHMPIDParam::K1y()*a/b;
return mathi;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-Float_t AliHMPIDDigit::IntPartMathi(Float_t z, Int_t axis)const
+Double_t AliHMPIDDigit::IntPartMathiX(Double_t x)const
{
// Integration of Mathieson.
// 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
- Float_t shift1,shift2;
- if(axis==1) {
- shift1 = -LorsX()+0.5*AliHMPIDParam::SizePadX();
- shift2 = -LorsX()-0.5*AliHMPIDParam::SizePadX();
- } else {
- shift1 = -LorsY()+0.5*AliHMPIDParam::SizePadY();
- shift2 = -LorsY()-0.5*AliHMPIDParam::SizePadY();
- }
+ Double_t shift1 = -LorsX()+0.5*AliHMPIDParam::SizePadX();
+ Double_t shift2 = -LorsX()-0.5*AliHMPIDParam::SizePadX();
- Float_t kK2=0.96242952, kSqrtK3 =0.77459667, kK4=0.37932926, kD=0.445;
+ Double_t ux1=AliHMPIDParam::SqrtK3x()*TMath::TanH(AliHMPIDParam::K2x()*(x+shift1)/AliHMPIDParam::PitchAnodeCathode());
+ Double_t ux2=AliHMPIDParam::SqrtK3x()*TMath::TanH(AliHMPIDParam::K2x()*(x+shift2)/AliHMPIDParam::PitchAnodeCathode());
+
+ return AliHMPIDParam::K4x()*(TMath::ATan(ux2)-TMath::ATan(ux1));
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- Float_t ux1=kSqrtK3*TMath::TanH(kK2*(z+shift1)/kD);
- Float_t ux2=kSqrtK3*TMath::TanH(kK2*(z+shift2)/kD);
+Double_t AliHMPIDDigit::IntPartMathiY(Double_t y)const
+{
+// Integration of Mathieson.
+// 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
+ Double_t shift1 = -LorsY()+0.5*AliHMPIDParam::SizePadY();
+ Double_t shift2 = -LorsY()-0.5*AliHMPIDParam::SizePadY();
+
+ Double_t uy1=AliHMPIDParam::SqrtK3y()*TMath::TanH(AliHMPIDParam::K2y()*(y+shift1)/AliHMPIDParam::PitchAnodeCathode());
+ Double_t uy2=AliHMPIDParam::SqrtK3y()*TMath::TanH(AliHMPIDParam::K2y()*(y+shift2)/AliHMPIDParam::PitchAnodeCathode());
+
+ return AliHMPIDParam::K4y()*(TMath::ATan(uy2)-TMath::ATan(uy1));
- return kK4*(TMath::ATan(ux2)-TMath::ATan(ux1));
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-Float_t AliHMPIDDigit::IntMathieson(Float_t x,Float_t y)const
+Double_t AliHMPIDDigit::IntMathieson(Double_t x,Double_t y)const
{
// Integration of Mathieson.
// 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
- Float_t xm = IntPartMathi(x,1);
- Float_t ym = IntPartMathi(y,2);
+ Double_t xm = IntPartMathiX(x);
+ Double_t ym = IntPartMathiY(y);
return 4*xm*ym;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Int_t y2a[6]={5,3,1,0,2,4};
ddl=2*Ch()+Pc()%2; //DDL# 0..13
- // Int_t tmp=1+Pc()/2*8+PadPcY()/6; r=(Pc()%2)? 25-tmp:tmp; //row r=1..24
Int_t tmp=1+Pc()/2*8+PadPcY()/6; r=(Pc()%2)? tmp:25-tmp; //row r=1..24
d=1+PadPcX()/8; //DILOGIC# 1..10
- a=y2a[PadPcY()%6]+6*(PadPcX()%8); //ADDRESS 0..47
+// d=AliHMPIDRawStream::kNDILOGICAdd+1-d; ////flip according to Paolo (2-9-2008)
+ d=10+1-d; ////flip according to Paolo (2-9-2008)
+ a=y2a[PadPcY()%6]+6*(7-PadPcX()%8); //ADDRESS 0..47
- /*
- Int_t a2y[6]={3,2,4,1,5,0}; //pady for a given padress (for single DILOGIC chip)
- Int_t ch=ddl/2;
- Int_t tmp=(24-row)/8;
- Int_t pc=(ddl%2)?5-2*tmp:2*tmp;
- Int_t px=(dil-1)*8+pad/6;
-
- tmp=(ddl%2)?row-1:(24-row);
- Int_t py=6*(tmp%8)+a2y[pad%6];
-
- */
-
-
w32=0;
- //Printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
- //
- //Printf("AliHMPIDDigit::Raw ddl: %d r: %d d: %d a: %d",ddl,r,d,a);
- //Printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
-// Bool_t isOK=kTRUE; isOK=
- AliBitPacking::PackWord((fQ>4095)?(UInt_t)4095:(UInt_t)fQ,w32, 0,11); // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq Qdc bits (00..11) counts (0..4095)
- //Printf("isOK: %d",isOK);
- //molnarl: Since in simulation the the charge can be > than 4095 but not in real life we need to protect. If fQ>4095 after packing we will get 0 for the charge!
- assert(0<=a&&a<=47);AliBitPacking::PackWord( a ,w32,12,17); // 3322 2222 2222 1111 1111 1000 0000 0000 DILOGIC address bits (12..17) counts (0..47)
- assert(1<=d&&d<=10);AliBitPacking::PackWord( d ,w32,18,21); // 1098 7654 3210 9876 5432 1098 7654 3210 DILOGIC number bits (18..21) counts (1..10)
- assert(1<=r&&r<=24);AliBitPacking::PackWord( r ,w32,22,26); // Row number bits (22..26) counts (1..24)
- AliBitPacking::PackWord((UInt_t)0, w32,27,27); //To make sure set the 27th bit to Zero so we can distinguis it from the EoE
+ if(r<1 || r>24 || d<1 || d>10 || a<0 || a>47) {w32=0;ddl=-1;r=-1;d=-1;a=-1; return;} //clm: the assert is removed not to break the reconstruction code
+ AliBitPacking::PackWord((UInt_t)fQ,w32, 0,11); // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq Qdc bits (00..11) counts (0..4095)
+ AliBitPacking::PackWord( a ,w32,12,17); // 3322 2222 2222 1111 1111 1000 0000 0000 DILOGIC address bits (12..17) counts (0..47)
+ AliBitPacking::PackWord( d ,w32,18,21); // 1098 7654 3210 9876 5432 1098 7654 3210 DILOGIC number bits (18..21) counts (1..10)
+ AliBitPacking::PackWord( r ,w32,22,26); // Row number bits (22..26) counts (1..24)
+ AliBitPacking::PackWord((UInt_t)0, w32,27,27); //To make sure set the 27th bit to Zero so we can distinguis it from the EoE
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliHMPIDDigit::Set(Int_t ch,Int_t pc,Int_t px,Int_t py,Int_t tid)
// Manual creation of digit
// Arguments: ch,pc,px,py,qdc,tid
// Returns: kTRUE if wrong digit
+ if(ch<AliHMPIDParam::kMinCh || ch>AliHMPIDParam::kMaxCh) return kTRUE;
+ if(pc<AliHMPIDParam::kMinPc || pc>AliHMPIDParam::kMaxPc) return kTRUE;
if(px<AliHMPIDParam::kMinPx || px>AliHMPIDParam::kMaxPx) return kTRUE;
if(py<AliHMPIDParam::kMinPy || py>AliHMPIDParam::kMaxPy) return kTRUE;
+
fPad=AliHMPIDParam::Abs(ch,pc,px,py);fTracks[0]=tid;
fQ=0;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff