Introduction of a new TOF constant (i.e. TDC bin width)

diff --git a/TOF/AliTOF.h b/TOF/AliTOF.h
index 67093cab2c8d73d2b54cd7fa14d03d2d4f5b94ea..e60673ec6c76d4a49cde7b70a4b7ada9ce522e79 100644 (file)
--- a/TOF/AliTOF.h
+++ b/TOF/AliTOF.h
@@ -25,8 +25,9 @@ class TFolder ;
 
 #include "TObject.h"
 #include "TTree.h" 
+
 #include "AliDetector.h"
-#include <Riostream.h>
+
 #include "AliTOFSDigitizer.h"
 #include "AliTOFGeometry.h"
 
@@ -36,13 +37,6 @@ public:
   AliTOF(); 
   AliTOF(const char *name, const char *title, Option_t *option="noTimeZero");
   virtual ~AliTOF() ;
-
-  static  Int_t NDDL()        { return kNDDL;};
-  static  Int_t NTRM()        { return kNTRM;}
-  static  Int_t NTdc()        { return kNTdc;};
-  static  Int_t NCh()         { return kNCh;};
-  static  Int_t NPadXTRM()    { return kNCh*kNTdc;};
-
 // getters for AliTOF object status
   //Float_t GetTimeRes() const {return fTimeRes;};
   //Float_t GetChrgRes() const {return fChrgRes;};
@@ -108,16 +102,6 @@ protected:
  
 private:
 
-  // DAQ characteristics
-  // cfr. TOF-TDR pag. 105 for Glossary
-  // TARODA : TOF-ALICE Read Out and Data Acquisition system
-  enum {
-    kNDDL        =    4, // Number of DDL (Detector Data Link) per sector
-    kNTRM        =   10, // Number of TRM ( Readout Module) per DDL
-    kNTdc        =   30, // Number of Tdc (Time to Digital Converter) per TRM
-    kNCh         =    8  // Number of channels per Tdc
-  };
-
   ClassDef(AliTOF,7)  // Time Of Flight base class
 };
  

diff --git a/TOF/AliTOFDDLRawData.cxx b/TOF/AliTOFDDLRawData.cxx
index 20828cf18f907710517604e0e96a95bb57433884..d84461dff21ef96e3809201ac51538189f0b1315 100644 (file)
--- a/TOF/AliTOFDDLRawData.cxx
+++ b/TOF/AliTOFDDLRawData.cxx
@@ -32,7 +32,7 @@ Revision 0.01  2004/6/11 A.De Caro, S.B.Sellitto, R.Silvestri
 #include <TTree.h>
 #include <TMath.h>
 #include "AliLog.h"
-#include "AliTOF.h"
+
 #include "AliTOFGeometry.h"
 #include "AliTOFdigit.h"
 #include "AliTOFDDLRawData.h"
@@ -133,23 +133,23 @@ void AliTOFDDLRawData::GetDigits(TClonesArray *TOFdigits,Int_t nDDL,UInt_t *buf)
     
     if (eureka!=digs->GetTotPad()) printf(" eureka = %d AND digs->GetTotPad() = %d",eureka,digs->GetTotPad());
     */
-    if (sector!=iSector || (Int_t)((Float_t)eureka/AliTOF::NPadXTRM()/AliTOF::NTRM())!=iDDL) continue;
+    if (sector!=iSector || (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM()/AliTOFGeometry::NTRM())!=iDDL) continue;
     
     if (fVerbose==2) ftxt <<" Sector: "<<sector<<" plate: "<<plate<<" strip "<<strip<<" padx "<<padx<<" padz "<<padz<<" eureka "<<eureka<<endl;
     
-    iTRM = (Int_t)((Float_t)eureka/AliTOF::NPadXTRM() - AliTOF::NTRM()*iDDL);
+    iTRM = (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM() - AliTOFGeometry::NTRM()*iDDL);
     
-    iTDC = (Int_t)(AliTOF::NTdc()* 
+    iTDC = (Int_t)(AliTOFGeometry::NTdc()* 
                   (
-                   (Float_t)eureka/AliTOF::NPadXTRM() -
-                   (Int_t)((Float_t)eureka/AliTOF::NPadXTRM())
+                   (Float_t)eureka/AliTOFGeometry::NPadXTRM() -
+                   (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM())
                    )
                   );
     
-    iCH  = (Int_t)(AliTOF::NCh() * 
+    iCH  = (Int_t)(AliTOFGeometry::NCh() * 
                   (
-                   (Float_t)eureka/AliTOF::NPadXTRM()*AliTOF::NTdc() - (Int_t)((Float_t)eureka/AliTOF::NPadXTRM()*AliTOF::NTdc()) -
-                   (Int_t)((Float_t)eureka/AliTOF::NPadXTRM()*AliTOF::NTdc() - (Int_t)((Float_t)eureka/AliTOF::NPadXTRM()*AliTOF::NTdc()))
+                   (Float_t)eureka/AliTOFGeometry::NPadXTRM()*AliTOFGeometry::NTdc() - (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM()*AliTOFGeometry::NTdc()) -
+                   (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM()*AliTOFGeometry::NTdc() - (Int_t)((Float_t)eureka/AliTOFGeometry::NPadXTRM()*AliTOFGeometry::NTdc()))
                    )
                   );
     

diff --git a/TOF/AliTOFGeometry.cxx b/TOF/AliTOFGeometry.cxx
index 9202d4ea16b109e3dd90264a7498dd7940d29472..f86d1ea16c494151fd0da3d30fb2ee9f6f8db9cd 100644 (file)
--- a/TOF/AliTOFGeometry.cxx
+++ b/TOF/AliTOFGeometry.cxx
@@ -15,6 +15,9 @@
 
 /*
 $Log$
+Revision 1.7  2004/11/05 07:20:08  decaro
+TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
+
 Revision 1.6  2004/06/15 15:27:59  decaro
 TOF raw data: preliminary implementation and style changes
 
@@ -91,6 +94,8 @@ const Float_t AliTOFGeometry::fgkDprecMin = 0.0000075;//num.prec.tolerance on Th
 const Float_t AliTOFGeometry::fgkDprecMax = 0.0000100;//num.prec.tolerance on Thma 
 const Float_t AliTOFGeometry::fgkDprecCen = 0.0000005;//num.prec.tolerance on <Theta> 
 
+const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-window for the TDC bins [ps]
+
 //_____________________________________________________________________________
 AliTOFGeometry::AliTOFGeometry()
 {

diff --git a/TOF/AliTOFGeometry.h b/TOF/AliTOFGeometry.h
index 83c1556e5a75081ee5424019abdef1306d8579b3..249b58fa3e5f4c7b167cfea52fe45f578181ec7e 100644 (file)
--- a/TOF/AliTOFGeometry.h
+++ b/TOF/AliTOFGeometry.h
@@ -34,6 +34,13 @@ class AliTOFGeometry: public TObject{
   static  Int_t MaxTOFTree()  { return kMaxTOFTree;};
 
 
+  static  Int_t NDDL()        { return kNDDL;};
+  static  Int_t NTRM()        { return kNTRM;}
+  static  Int_t NTdc()        { return kNTdc;};
+  static  Int_t NCh()         { return kNCh;};
+  static  Int_t NPadXTRM()    { return kNCh*kNTdc;};
+
+
   static  Float_t RinTOF()      { return fgkxTOF;};
   static  Float_t Rmin()        { return fgkRmin;};
   static  Float_t Rmax()        { return fgkRmax;};
@@ -59,6 +66,8 @@ class AliTOFGeometry: public TObject{
  
   static  Double_t GetAlpha()  { return 2 * 3.14159265358979323846 / kNSectors; }; 
  
+  static Float_t TdcBinWidth() {return fgkTdcBin;};
+
 
   virtual void    Init();
   virtual void    SetHoles(Bool_t holes) {fHoles = holes;};
@@ -97,6 +106,16 @@ class AliTOFGeometry: public TObject{
     kMaxTOFTree = 5   // numer of geom. levels: 
   };
 
+  // DAQ characteristics
+  // cfr. TOF-TDR pag. 105 for Glossary
+  // TARODA : TOF-ALICE Read Out and Data Acquisition system
+  enum {
+    kNDDL        =    4, // Number of DDL (Detector Data Link) per sector
+    kNTRM        =   10, // Number of TRM ( Readout Module) per DDL
+    kNTdc        =   30, // Number of Tdc (Time to Digital Converter) per TRM
+    kNCh         =    8  // Number of channels per Tdc
+  };
+
   static const Int_t fgkTimeDiff;      // Min signal separation (ps)
 
   static const Float_t fgkRmin;        // Inner radius of the TOF (cm)
@@ -132,6 +151,8 @@ class AliTOFGeometry: public TObject{
   Float_t fHeights[kNPlates][kMaxNstrip];//Strip heights
   Float_t fPhiSec; //sector Phi width (deg)
 
+  static const Float_t fgkTdcBin;   // time-window for the TDC bins [ps]
+
   ClassDef(AliTOFGeometry,1) // TOF Geometry base class
 };
 

diff --git a/TOF/AliTOFSDigitizer.cxx b/TOF/AliTOFSDigitizer.cxx
index e0027124cefe1240c0b0a01f29083c9f393ccbc4..2aba9ed61e428ce739edae09aaacda64aed0679e 100644 (file)
--- a/TOF/AliTOFSDigitizer.cxx
+++ b/TOF/AliTOFSDigitizer.cxx
@@ -167,7 +167,7 @@ void AliTOFSDigitizer::InitParameters()
   fLogChargeSmearing=0.13;
   fTimeSmearing   =0.022;
   fAverageTimeFlag=0    ;
-  fTdcBin   = 50.;     // 1 TDC bin = 50 ps
+
   fAdcBin   = 0.25;    // 1 ADC bin = 0.25 pC (or 0.03 pC)
   fAdcMean  = 50.;     // ADC distribution mpv value for Landau (in bins)
                        // it corresponds to a mean value of ~100 bins
@@ -359,7 +359,7 @@ void AliTOFSDigitizer::Exec(Option_t *verboseOption) {
                  
                  if(timediff>=0.2) nlargeTofDiff++;
                  
-                 digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/fTdcBin); // TDC bin number (each bin -> 50. ps)
+                 digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 50. ps)
                  
                  Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms); 
                  digit[1] = (Int_t) (qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC)
@@ -375,7 +375,7 @@ void AliTOFSDigitizer::Exec(Option_t *verboseOption) {
                    AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(hitMap->GetHit(vol));
                    Int_t tdctime = (Int_t) digit[0];
                    Int_t adccharge = (Int_t) digit[1];
-                   sdig->Update(fTdcBin,tdctime,adccharge,tracknum);
+                   sdig->Update(AliTOFGeometry::TdcBinWidth(),tdctime,adccharge,tracknum);
                    ntotalupdatesinEv++;
                    ntotalupdates++;
                  } else {

diff --git a/TOF/AliTOFSDigitizer.h b/TOF/AliTOFSDigitizer.h
index a3b86e7baf119313d988852ba0b3d0c47d169b27..9e37f9253052376a7a66c2917320f28270f5b286 100644 (file)
--- a/TOF/AliTOFSDigitizer.h
+++ b/TOF/AliTOFSDigitizer.h
@@ -26,6 +26,8 @@ public:
 
   virtual ~AliTOFSDigitizer() ; // dtor
 
+  //static Float_t WidthTdcBin() {return fgkTdcBin;};
+
   virtual void  Exec(Option_t *verboseOption); 
   void SetSDigitsFile(char * /*file*/ ) {;}
   
@@ -69,7 +71,7 @@ public:
   void  SetLogChargeSmearing(Float_t logChargeSmearing){fLogChargeSmearing=logChargeSmearing;}
   void  SetTimeSmearing(Float_t timeSmearing)        {fTimeSmearing=timeSmearing;}
   void  SetAverageTimeFlag(Int_t averageTimeFlag)    {fAverageTimeFlag=averageTimeFlag;}
-  void  SetTdcBin(Float_t tdcBin)                    {fTdcBin=tdcBin;}
+
   void  SetAdcBin(Float_t adcBin)                    {fAdcBin=adcBin;}
   void  SetAdcMean(Float_t adcMean)                  {fAdcMean=adcMean;}
   void  SetAdcRms(Float_t adcRms)                    {fAdcRms=adcRms;}
@@ -100,7 +102,7 @@ public:
   Float_t  GetLogChargeSmearing()const {return fLogChargeSmearing;}
   Float_t  GetTimeSmearing()     const {return fTimeSmearing;}
   Int_t    GetAverageTimeFlag()  const {return fAverageTimeFlag;}
-  Float_t  GetTdcBin()           const {return fTdcBin;}
+
   Float_t  GetAdcBin()           const {return fAdcBin;}
   Float_t  GetAdcMean()          const {return fAdcMean;}
   Float_t  GetAdcRms()           const {return fAdcRms;}
@@ -159,7 +161,7 @@ private:
   Float_t fLogChargeSmearing;// Smearing in log of charge ratio
   Float_t fTimeSmearing;    // Smearing in time in time vs log(q1/q2) plot
   Int_t   fAverageTimeFlag; // flag (see the setter for details)
-  Float_t fTdcBin;      // time-window for the TDC bins [ps]
+
   Float_t fAdcBin;      // charge-window for the ADC bins [pC]
   Float_t fAdcMean;     // mean value for the ADC spectrum [bins]
   Float_t fAdcRms;      // rms value for the ADC spectrum [bins]

diff --git a/TOF/AliTOFtracker.cxx b/TOF/AliTOFtracker.cxx
index 0441999c9fd8e505a23b46252d9acfd5928863c8..121bad30b0d97180a16ad9e2cc4e163b6b293df8 100644 (file)
--- a/TOF/AliTOFtracker.cxx
+++ b/TOF/AliTOFtracker.cxx
@@ -410,7 +410,8 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
 
     delete trackTOFin;
 
-    Double_t tof=50*c->GetTDC()+32; // in ps
+    //Double_t tof=50*c->GetTDC()+32; // in ps
+    Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
     t->SetTOFsignal(tof);
     t->SetTOFcluster(c->GetIndex());
     Double_t time[10]; t->GetIntegratedTimes(time);