MUON/mapping/AliMpNeighboursPadIterator.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   2  * See cxx source for full Copyright notice                               */
   3
   4 // $Id$
   5 // $MpId: AliMpNeighboursPadIterator.h,v 1.12 2006/05/24 13:58:21 ivana Exp $
   6
   7 /// \ingroup sector
   8 /// \class AliMpNeighboursPadIterator
   9 /// \brief An iterator over the pads surrounding a given pad
  10 ///
  11 /// \author David Guez, Ivana Hrivnacova; IPN Orsay
  12
  13 #ifndef ALI_MP_NEIGHBOURS_PAD_ITERATOR_H
  14 #define ALI_MP_NEIGHBOURS_PAD_ITERATOR_H
  15
  16 #include "AliMpVPadIterator.h"
  17 #include "AliMpPad.h"
  18
  19 #include <TObjArray.h>
  20
  21 class AliMpVSegmentation;
  22 class AliMpIntPair;
  23
  24 class AliMpNeighboursPadIterator : public AliMpVPadIterator
  25 {
  26   public:
  27     AliMpNeighboursPadIterator();
  28     AliMpNeighboursPadIterator(const AliMpVSegmentation* segmentation,
  29                                const AliMpPad& centerPad,
  30                                Bool_t includeCenter=kFALSE);
  31     AliMpNeighboursPadIterator(const AliMpNeighboursPadIterator& right);
  32     virtual ~AliMpNeighboursPadIterator();
  33
  34     // operators
  35     AliMpNeighboursPadIterator&
  36       operator = (const AliMpNeighboursPadIterator& right);
  37
  38     // methods
  39     virtual void First();
  40     virtual void Next();
  41     virtual Bool_t IsDone() const;
  42     virtual AliMpPad CurrentItem() const;
  43     virtual void Invalidate();
  44
  45   private:
  46     // static members
  47     static const UInt_t   fgkInvalidIndex; ///< invalid index number
  48
  49     // private methods
  50     Bool_t     IsNeighbour(const AliMpPad& pad) const;
  51     TObjArray* PadVectorLine(const AliMpPad& from,
  52                              const AliMpIntPair& direction) const;
  53     void       UpdateTotalSet(TObjArray& setTotal, TObjArray* from) const;
  54     void       FillPadsVector(Bool_t includeCenter);
  55     Bool_t     IsValid() const;
  56
  57     // private data members
  58     const AliMpVSegmentation* fkSegmentation; ///< \brief The segmentation
  59                            ///  segmentation over which to iterate
  60     AliMpPad   fCenterPad; ///< Pad arround which we iterate
  61     TObjArray  fPads;      ///< The list of pad arround fCenterIndices
  62     UInt_t     fIndex;     ///< Current index inside the fPads vector
  63
  64   ClassDef(AliMpNeighboursPadIterator,1) // iterator over motif's pads
  65 };
  66
  67 #endif // ALI_MP_NEIGHBOURS_PAD_ITERATOR_H