Line data    Source code

       1             : #ifndef ALIITSSEGMENTATION_H
       2             : #define ALIITSSEGMENTATION_H
       3             : 
       4             : #include <TObject.h>
       5             : #include "AliLog.h"
       6             : #include "AliITSgeom.h"
       7             : 
       8             : /* $Id$ */
       9             : 
      10             : //----------------------------------------------
      11             : //                                             -
      12             : // ITS  segmentation virtual base class        -
      13             : //                                             -
      14             : //----------------------------------------------
      15             : class TF1;
      16             : class AliITSsegmentation :
      17             : public TObject {
      18             :  public:
      19             :   AliITSsegmentation();
      20             :   AliITSsegmentation(const AliITSsegmentation& source);
      21             :   virtual ~AliITSsegmentation();
      22             :   AliITSsegmentation& operator=(const AliITSsegmentation &source);
      23             :     // Set Detector Segmentation Parameters
      24             :     //
      25             :     // Detector size  
      26             :     virtual void    SetDetSize(Float_t p1,Float_t p2,Float_t p3) 
      27        1026 :                     {fDx=p1; fDz=p2; fDy=p3;}
      28             :     // Cell size   
      29           0 :     virtual void    SetPadSize(Float_t,Float_t) {MayNotUse("SetPadSize");}
      30             :     // Maximum number of cells along the two coordinates  
      31             :     virtual void    SetNPads(Int_t,Int_t) = 0;
      32             :     // Returns the maximum number of cells (digits) posible
      33             :     virtual Int_t   GetNPads() const = 0;
      34             :     // Set layer
      35           0 :     virtual void SetLayer(Int_t) {MayNotUse("SetLayer");}
      36             :     // Number of Chips
      37           0 :     virtual Int_t    GetNumberOfChips() const {MayNotUse("GetNumberOfChips"); return 0;}
      38           0 :     virtual Int_t    GetMaximumChipIndex() const {MayNotUse("GetNumberOfChips"); return 0;}
      39             :     // Chip number from local coordinates
      40           0 :     virtual Int_t    GetChipFromLocal(Float_t, Float_t) const {MayNotUse("GetChipFromLocal"); return 0;}
      41           0 :     virtual Int_t    GetChipsInLocalWindow(Int_t* /*array*/, Float_t /*zmin*/, Float_t /*zmax*/, Float_t /*xmin*/, Float_t /*xmax*/) const {MayNotUse("GetChipsInLocalWindow"); return 0;}
      42             :     // Chip number from channel number
      43           0 :     virtual Int_t    GetChipFromChannel(Int_t, Int_t) const {MayNotUse("GetChipFromChannel"); return 0;}
      44             : 
      45             :     // Transform from real to cell coordinates
      46             :     virtual void    GetPadIxz(Float_t,Float_t,Int_t &,Int_t &) const = 0;
      47             :     // Transform from cell to real coordinates
      48             :     virtual void    GetPadCxz(Int_t,Int_t,Float_t &,Float_t &) const = 0;
      49             :     // Local transformation of real local coordinates -
      50             :     virtual void    GetPadTxz(Float_t &,Float_t &) const = 0;
      51             :     // Transformation from Geant cm detector center local coordinates
      52             :     // to detector segmentation/cell coordiantes starting from (0,0).
      53             :     virtual Bool_t LocalToDet(Float_t,Float_t,Int_t &,Int_t &) const = 0;
      54             :     // Transformation from detector segmentation/cell coordiantes starting
      55             :     // from (0,0) to Geant cm detector center local coordinates.
      56             :     virtual void    DetToLocal(Int_t,Int_t,Float_t &,Float_t &) const = 0;
      57             :     // Initialisation
      58             :     virtual void Init() = 0;
      59             :     //
      60             :     // Get member data
      61             :     //
      62             :     // Detector length
      63      107786 :     virtual Float_t Dx() const {return fDx;}
      64             :     // Detector width
      65      109672 :     virtual Float_t Dz() const {return fDz;}
      66             :     // Detector thickness
      67       27752 :     virtual Float_t Dy() const {return fDy;}
      68             :     // Cell size in x
      69             :     virtual Float_t Dpx(Int_t) const = 0;
      70             :     // Cell size in z 
      71             :     virtual Float_t Dpz(Int_t) const = 0;
      72             :     // Maximum number of Cells in x
      73             :     virtual Int_t    Npx() const = 0;
      74             :     // Maximum number of Cells in z
      75             :     virtual Int_t    Npz() const = 0;
      76             :     // Layer
      77           0 :     virtual Int_t GetLayer() const {MayNotUse("GetLayer"); return 0;}
      78             :     // Set hit position
      79             :     //    virtual void     SetHit(Float_t, Float_t) {}
      80             :     // angles
      81             :     virtual void Angles(Float_t& /* p */, Float_t& /* n */) const
      82           0 :                                           {MayNotUse("Angles");}
      83             : 
      84             :     //
      85             :     // Get next neighbours 
      86             :     virtual void Neighbours(Int_t,Int_t,Int_t*,Int_t[10],Int_t[10]) const
      87           0 :                      {MayNotUse("Neighbours");}
      88             : 
      89             :     // Function for systematic corrections
      90             :     // Set the correction function
      91           0 :     virtual void SetCorrFunc(TF1* fc) {fCorr = fc;}
      92             :     // Get the correction Function
      93           0 :     virtual TF1* CorrFunc() {return fCorr;}
      94             :     // Print Default parameters
      95             :     virtual void PrintDefaultParameters() const = 0;
      96             : 
      97             :  protected:
      98             : 
      99             :     virtual void Copy(TObject &obj) const;
     100             : 
     101             :     Float_t fDx;    //SPD: Full width of the detector (x axis)- microns
     102             :                     //SDD: Drift distance of the 1/2detector (x axis)-microns
     103             :                     //SSD: Full length of the detector (x axis)- microns
     104             :     Float_t fDz;    //SPD: Full length of the detector (z axis)- microns
     105             :                     //SDD: Full Length of the detector (z axis) - microns
     106             :                     //SSD: Full width of the detector (z axis)- microns
     107             :     Float_t fDy;    //SPD:  Full thickness of the detector (y axis) -um 
     108             :                     //SDD: Full thickness of the detector (y axis) - microns
     109             :                     //SSD: Full thickness of the detector (y axis) -um 
     110             :     TF1*       fCorr;   // correction function
     111             : 
     112         118 :     ClassDef(AliITSsegmentation,2) //Segmentation virtual base class 
     113             : };
     114             : #endif