MUON/mapping/AliMpNeighboursPadIterator.h

   1 // $Id$
   2 // Category: sector
   3 //
   4 // Class AliMpNeighboursPadIterator
   5 // --------------------------------
   6 // Class, which defines an iterator over the pads surrounding a given pad
   7 //
   8 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
   9
  10 #ifndef ALI_MP_NEIGHBOURS_PAD_ITERATOR_H
  11 #define ALI_MP_NEIGHBOURS_PAD_ITERATOR_H
  12
  13 #include "AliMpSectorTypes.h"
  14 #include "AliMpVPadIterator.h"
  15 #include "AliMpPad.h"
  16
  17 class AliMpSectorSegmentation;
  18 class AliMpIntPair;
  19
  20 class AliMpNeighboursPadIterator : public AliMpVPadIterator
  21 {
  22   public:
  23     AliMpNeighboursPadIterator();
  24     AliMpNeighboursPadIterator(const AliMpSectorSegmentation* segmentation,
  25                                const AliMpPad& centerPad,
  26                                Bool_t includeCenter=kFALSE);
  27     AliMpNeighboursPadIterator(const AliMpNeighboursPadIterator& right);
  28     virtual ~AliMpNeighboursPadIterator();
  29
  30     // operators
  31     AliMpNeighboursPadIterator&
  32       operator = (const AliMpNeighboursPadIterator& right);
  33
  34     // methods
  35     virtual void First();
  36     virtual void Next();
  37     virtual Bool_t IsDone() const;
  38     virtual AliMpPad CurrentItem() const;
  39     virtual void Invalidate();
  40
  41   private:
  42     // static members
  43     static const UInt_t   fgkInvalidIndex; // invalid index number
  44
  45     // private methods
  46     Bool_t    IsNeighbours(const AliMpPad& pad) const;
  47     PadVector PadVectorLine(const AliMpPad& from,
  48                             const AliMpIntPair& direction) const;
  49     void      FillPadsVector(Bool_t includeCenter);
  50     Bool_t    IsValid() const;
  51
  52     // private data members
  53     const AliMpSectorSegmentation* fkSegmentation; // The sector segmentation
  54                                                    // over which to iterate
  55     AliMpPad   fCenterPad; // Pad arround which we iterate
  56     PadVector  fPads;      // The list of pad arround fCenterIndices
  57     UInt_t     fIndex;     // Current index inside the fPads vector
  58
  59   ClassDef(AliMpNeighboursPadIterator,1) // iterator over motif's pads
  60 };
  61
  62 #endif // ALI_MP_NEIGHBOURS_PAD_ITERATOR_H