/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+// Class of HMPID to manage digits ---> pads
+//.
+//.
+//.
+
#include <AliDigit.h> //base class
-#include <TMath.h> //Mathieson()
-#include <TRandom.h> //IsOverTh()
+#include <AliRawReader.h>
+#include <AliLog.h>
+#include "TMath.h" //Mathieson()
#include <AliBitPacking.h> //Raw()
-
+#include "AliHMPIDParam.h"
class TClonesArray; //Hit2Sdi()
class AliHMPIDDigit :public AliDigit //TObject-AliDigit-AliHMPIDDigit
{
public:
- enum EChamberData{kMinCh=0,kMaxCh=6,kMinPc=0,kMaxPc=5}; //Segmenation
- enum EPadxData{kPadPcX=80,kMinPx=0,kMaxPx=79,kMaxPcx=159}; //Segmentation structure along x
- enum EPadyData{kPadPcY=48,kMinPy=0,kMaxPy=47,kMaxPcy=143}; //Segmentation structure along y
+
//ctor&dtor
- AliHMPIDDigit( ):AliDigit( ),fPad(Abs(-1,-1,-1,-1)),fQ(-1) {} //default ctor
+ 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(const AliHMPIDDigit &d ):AliDigit(d),fPad(d.fPad),fQ(d.fQ) {} //copy ctor
virtual ~AliHMPIDDigit() {} //dtor
void Draw (Option_t *opt="" ); //TObject::Draw() overloaded
void Print (Option_t *opt="" )const; //TObject::Print() overloaded
//private part
- 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
- static Int_t A2C (Int_t pad ) {return pad/100000000; } //abs pad -> chamber
- static Int_t A2P (Int_t pad ) {return pad%100000000/1000000; } //abs pad -> pc
- static Int_t A2X (Int_t pad ) {return pad%1000000/1000; } //abs pad -> pad X
- static Int_t A2Y (Int_t pad ) {return pad%1000; } //abs pad -> pad Y
+
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 >= fSigmas; } //is digit over threshold????
- static Bool_t IsInside (Float_t x,Float_t y ) {return x>0&&y>0&&x<SizeAllX()&&y<SizeAllY(); } //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]
- 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]
+ Int_t Ch ( )const{return AliHMPIDParam::A2C(fPad); } //chamber number
+
+ Float_t LorsX ( )const{return AliHMPIDParam::LorsX(AliHMPIDParam::A2P(fPad),AliHMPIDParam::A2X(fPad)); } //center of the pad x, [cm]
+
+ Float_t LorsY ( )const{return AliHMPIDParam::LorsY(AliHMPIDParam::A2P(fPad),AliHMPIDParam::A2Y(fPad)); } //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
- Int_t PadChX ( )const{return (Pc()%2)*kPadPcX+PadPcX();} //pad ch x # 0..159
- Int_t PadChY ( )const{return (Pc()/2)*kPadPcY+PadPcY();} //pad ch y # 0..143
+ 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
+ Int_t PadChY ( )const{return (Pc()/2)*AliHMPIDParam::kPadPcY+PadPcY();} //pad ch y # 0..143
Int_t Pad ( )const{return fPad;} //absolute id of this pad
- Int_t Pc ( )const{return A2P(fPad);} //PC position number
+ Int_t Pc ( )const{return AliHMPIDParam::A2P(fPad);} //PC position number
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; //digit->(w32,ddl,r,d,a)
- inline void Raw (UInt_t w32,Int_t ddl ); //(w32,ddl)->digit
+ inline Bool_t Raw (UInt_t w32,Int_t ddl,AliRawReader *pRR); //(w32,ddl)->digit
+ inline void Raw (Int_t ddl,Int_t r,Int_t d,Int_t a); //raw->abs pad number
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 SetNsig (Int_t sigmas ) {AliHMPIDParam::fgSigmas=sigmas;} //set n sigmas
static void WriteRaw (TObjArray *pDigLst ); //write as raw stream
-
- static Float_t SizeAllX ( ) {return fMaxPcX[5];} //all PCs size x, [cm]
- static Float_t SizeAllY ( ) {return fMaxPcY[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 fMaxPcX[0];} //PC size x, [cm]
- static Float_t SizePcY ( ) {return fMaxPcY[0];} //PC size y, [cm]
- static Float_t SizeWin ( ) {return 0.5;} //Quartz window width
- static Float_t SizeRad ( ) {return 1.5;} //Rad width
- static Float_t CathAnoCath ( ) {return 0.445;} //Cathode-Anode-cathode pitch
- static const Float_t fMinPcX[6];
- static const Float_t fMinPcY[6];
- static const Float_t fMaxPcX[6];
- static const Float_t fMaxPcY[6];
-
- 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)
- static Int_t fSigmas; //sigma cut on charge
+ enum EHMPIDRawError {
+ kInvalidRawDataWord = 1
+ };
+
protected: //AliDigit has fTracks[3]
- static const Float_t k1; //Mathieson parameters
- static const Float_t k2; //
- static const Float_t kSqrtK3; //
- static const Float_t k4; //
- Int_t fPad; //absolute pad number
+
+
+ Int_t fPad; //absolute pad number
Float_t fQ; //QDC value, fractions are permitted for summable procedure
ClassDef(AliHMPIDDigit,4) //HMPID digit class
};//class AliHMPIDDigit
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliHMPIDDigit::Lors2Pad(Float_t x,Float_t y,Int_t &pc,Int_t &px,Int_t &py)
-{
-// Check the pad of given position
-// 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
- 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
- else return;
-}
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
Int_t AliHMPIDDigit::Compare(const TObject *pObj) const
{
// Used in Sort() method to compare to objects. Note that abs pad structure is first x then y, hence will be sorted on column basis.
else return -1;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-Bool_t AliHMPIDDigit::IsInDead(Float_t x,Float_t y)
-{
-// 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
-
- 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;
-}
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
Float_t AliHMPIDDigit::IntMathieson(Float_t x,Float_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
-// 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=kSqrtK3*TMath::TanH(k2*(x-LorsX()+0.5*SizePadX())/CathAnoCath());
- Float_t ux2=kSqrtK3*TMath::TanH(k2*(x-LorsX()-0.5*SizePadX())/CathAnoCath());
- Float_t uy1=kSqrtK3*TMath::TanH(k2*(y-LorsY()+0.5*SizePadY())/CathAnoCath());
- Float_t uy2=kSqrtK3*TMath::TanH(k2*(y-LorsY()-0.5*SizePadY())/CathAnoCath());
- return 4*k4*(TMath::ATan(ux2)-TMath::ATan(ux1))*k4*(TMath::ATan(uy2)-TMath::ATan(uy1));
+ Float_t ux1=kSqrtK3*TMath::TanH(kK2*(x-LorsX()+0.5*AliHMPIDParam::SizePadX())/0.445);
+ Float_t ux2=kSqrtK3*TMath::TanH(kK2*(x-LorsX()-0.5*AliHMPIDParam::SizePadX())/0.445);
+ Float_t uy1=kSqrtK3*TMath::TanH(kK2*(y-LorsY()+0.5*AliHMPIDParam::SizePadY())/0.445);
+ Float_t uy2=kSqrtK3*TMath::TanH(kK2*(y-LorsY()-0.5*AliHMPIDParam::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
AliBitPacking::PackWord( r ,w32,22,26); // Row number bits (22..26) counts (1..24)
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliHMPIDDigit::Raw(UInt_t w32,Int_t ddl)
+Bool_t AliHMPIDDigit::Raw(UInt_t w32,Int_t ddl, AliRawReader *pRR)
{
// Converts a given raw data word to a digit
// Arguments: w32 - 32 bits raw data word
// ddl - DDL idx 0 1 2 3 4 ... 13
// Returns: none
- Int_t a2y[6]={3,2,4,1,5,0};//pady for a given address (for single DILOGIC chip)
Int_t r = AliBitPacking::UnpackWord(w32,22,26); assert(1<=r&&r<=24); // Row number (1..24)
Int_t d = AliBitPacking::UnpackWord(w32,18,21); assert(1<=d&&d<=10); // 3322 2222 2222 1111 1111 1000 0000 0000 DILOGIC number (1..10)
Int_t a = AliBitPacking::UnpackWord(w32,12,17); assert(0<=a&&a<=47); // 1098 7654 3210 9876 5432 1098 7654 3210 DILOGIC address (0..47)
- Int_t q = AliBitPacking::UnpackWord(w32, 0,11); assert(0<=q&&q<=4095); // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq Qdc (0..4095)
+ Int_t q = AliBitPacking::UnpackWord(w32, 0,11); assert(0<=q&&q<=4095); // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq Qdc (0..4095)
+ if (r<1 || r>24 || d<1 || d>10 || a<0 || a>47 || q<0 || q>4095) {
+ AliWarning(Form("Invalid raw data word %x",w32));
+ pRR->AddMajorErrorLog(kInvalidRawDataWord,Form("w=%x",w32));
+ return kFALSE;
+ }
+ Raw(ddl,r,d,a);
+ fQ=q;
+ return kTRUE;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDDigit::Raw(Int_t ddl,Int_t r,Int_t d,Int_t a)
+{
+ assert(0<=ddl&&ddl<=13); assert(1<=r&&r<=24); assert(1<=d&&d<=10); assert(0<=a&&a<=47);
+ Int_t a2y[6]={3,2,4,1,5,0};//pady for a given address (for single DILOGIC chip)
Int_t ch=ddl/2;
Int_t tmp=(r-1)/8; Int_t pc=(ddl%2)? 5-2*tmp:2*tmp;
Int_t px=(d-1)*8+a/6;
tmp=(ddl%2)?(24-r):r-1; Int_t py=6*(tmp%8)+a2y[a%6];
- fPad=Abs(ch,pc,px,py);fQ=q;
+ fPad=AliHMPIDParam::Abs(ch,pc,px,py);
}
+
+
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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(px<kMinPx || px>kMaxPx) return kTRUE;
- if(py<kMinPy || py>kMaxPy) return kTRUE;
+ if(px<AliHMPIDParam::kMinPx || px>AliHMPIDParam::kMaxPx) return kTRUE;
+ if(py<AliHMPIDParam::kMinPy || py>AliHMPIDParam::kMaxPy) return kTRUE;
- fPad=Abs(ch,pc,px,py);fTracks[0]=tid;
+ fPad=AliHMPIDParam::Abs(ch,pc,px,py);fTracks[0]=tid;
fQ=0;
return kFALSE;
}
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