Line data    Source code

       1             : #ifndef ALITOFT0_H
       2             : #define ALITOFT0_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : //_____________________________________________________________________________//
       7             : //                                                                             //
       8             : //  Task Class for calculating the time zero of interaction using TOF          //
       9             : //  The input file need the track length till TOF detector                     //
      10             : //  It can be done modifyng the AliTOFvj StepManager and the AliTOFHit class   //
      11             : //  as follow                                                                  //
      12             : //                                                                             //
      13             : //-- Author: F. Pierella                                                       //
      14             : //                                                                             //
      15             : //_____________________________________________________________________________//
      16             : 
      17             : #include "TTask.h"
      18             : 
      19             : class TString;
      20             : 
      21             : class AliTOFT0: public TTask {
      22             : 
      23             : public:
      24             :   AliTOFT0() ;          // ctor
      25             :   AliTOFT0(char* headerFile, Int_t nEvents=0) ; 
      26             :   AliTOFT0(const AliTOFT0 & tzero);
      27             :   virtual ~AliTOFT0() ; // dtor
      28             :   AliTOFT0 & operator = (const AliTOFT0 & tzero);
      29           0 :   const char*   GetTZeroFile() const {return fT0File.Data();}  
      30             :   virtual void  Exec(Option_t *option); 
      31           0 :   void          SetNEvents(Int_t nEvents) {fNevents = nEvents;}
      32           0 :   void          SetTimeResolution(Float_t timeresolution) { fTimeResolution=timeresolution;}// timeresolution in [s] e.g. for 120 ps -> 1.2e-10
      33           0 :   Int_t         GetNEvents() const {return fNevents;}
      34             :   void          SetTZeroFile(char* file) ;
      35           0 :   void          SetMomBounds(Float_t pLow, Float_t pUp) { fLowerMomBound=pLow; fUpperMomBound=pUp;} // momenta are expressed in [GeV/c]
      36             :   virtual void  Print(Option_t* option) const ;
      37             :   Bool_t   operator == (const AliTOFT0 & tzero) const ;
      38             : 
      39             :  protected:
      40             : 
      41             :  private:
      42             :   Int_t   fNevents;         // Number of events for which calculate the T0
      43             :   Float_t fTimeResolution;  // global time resolution used to calculate T0
      44             :   Float_t fLowerMomBound;   // momentum lower bound for selected primary tracks 
      45             :   Float_t fUpperMomBound;   // momentum upper bound for selected primary tracks 
      46             :   TString fT0File ;         // output file; it contains for time being only 3 histos 
      47             :   TString fHeadersFile;     // input file
      48             : 
      49          26 :   ClassDef(AliTOFT0,1)  // Calculate the time zero using TOF detector
      50             : 
      51             : };
      52             : 
      53             : #endif // AliTOFT0_H