Line data    Source code

       1             : #ifndef ALITRDCALONLINEGAINTABLEROC_H
       2             : #define ALITRDCALONLINEGAINTABLEROC_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : #include <TObject.h>
       7             : #include "AliTRDCalOnlineGainTableMCM.h"
       8             : 
       9             : //////////////////////////////////////////////////////////////////////////////////////////////
      10             : //
      11             : // Data structure to store gaintables of the online calibration in the OCDB
      12             : // consisting of three classes:
      13             : // AliTRDCalOnlineGainTable 
      14             : // AliTRDCalOnlineGainTableROC 
      15             : // AliTRDCalOnlineGainTableMCM
      16             : //
      17             : // AliTRDCalOnlineGainTable is the main class from which all stored data can be accessed.
      18             : // The two sub-classes AliTRDCalOnlineGainTableROC and AliTRDCalOnlineGainTableMCM
      19             : // contain the gaintables on ROC level and on the MCM level respectively.
      20             : //
      21             : // The online calibration is used to compensate gain deviations on the pad level.
      22             : // For the offline reconstruction the online calibration has to be undone. 
      23             : // The corresponding gain correction factor that was used by the online gain filter can be accessed 
      24             : // via the functions AliTRDCalOnlineGainTable::GetGainCorrectionFactor(Int_t det, Int_t row, Int_t col) 
      25             : // and AliTRDCalOnlineGainTable::GetGainCorrectionFactor(Int_t sector, Int_t stack, Int_t layer, Int_t row, Int_t col).
      26             : //
      27             : // AliTRDCalOnlineGainTableROC is a class to allocate MCM Gain Tables 
      28             : // and to access all stored calibration values from the ROC level by indicating row and col
      29             : //
      30             : //////////////////////////////////////////////////////////////////////////////////////////////
      31             : 
      32             : class AliTRDCalOnlineGainTableROC: public TObject
      33             : {
      34             : public:
      35             : 
      36             :   AliTRDCalOnlineGainTableROC(); 
      37             :    AliTRDCalOnlineGainTableROC(const AliTRDCalOnlineGainTableROC& other);
      38             :    AliTRDCalOnlineGainTableROC& operator=(const AliTRDCalOnlineGainTableROC& other);
      39             :   ~AliTRDCalOnlineGainTableROC();
      40             : 
      41             :   Float_t GetGainCorrectionFactor(Int_t row, Int_t col); 
      42             :   Short_t GetAdcdac(Int_t row, Int_t col);
      43             :   Float_t GetMCMGain(Int_t row, Int_t col); 
      44             :   Short_t GetFGAN(Int_t row, Int_t col);
      45             :   Short_t GetFGFN(Int_t row, Int_t col);
      46             : 
      47             :   void AllocateGainTableMCM(Int_t rob, Int_t mcm);
      48             : 
      49             :   AliTRDCalOnlineGainTableMCM* GetGainTableMCM(Int_t index) const
      50             :   { 
      51             :     //returns the Gain Table of the given MCM
      52           0 :     return fMCMGainTables[index]; 
      53             :   }
      54             : 
      55             :   AliTRDCalOnlineGainTableMCM* GetGainTableMCM(Int_t rob, Int_t mcm) const
      56             :   { 
      57             :     //returns the Gain Table of the given MCM
      58           0 :     return GetGainTableMCM(16*rob+mcm); 
      59             :   }
      60             : 
      61             : protected:
      62             :   
      63             :   AliTRDCalOnlineGainTableMCM* fMCMGainTables[128]; // Array of gain tables for MCMs
      64             :   
      65       15068 :   ClassDef(AliTRDCalOnlineGainTableROC,2);          // TRD online gain table of a ROC
      66             : 
      67             : };
      68             : 
      69             : #endif