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 <TObject.h>
  14 #include <TVector2.h>
  15
  16 #include "AliMpSectorTypes.h"
  17 #include "AliMpVPadIterator.h"
  18 #include "AliMpMotifTypePadIterator.h"
  19 #include "AliMpIntPair.h"
  20 #include "AliMpPad.h"
  21
  22 class AliMpSectorSegmentation;
  23
  24 class AliMpNeighboursPadIterator : public AliMpVPadIterator
  25 {
  26   public:
  27     AliMpNeighboursPadIterator();
  28     AliMpNeighboursPadIterator(const AliMpSectorSegmentation* 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;
  48
  49     // private methods
  50     Bool_t    IsNeighbours(const AliMpPad& pad) const;
  51     PadVector PadVectorLine(const AliMpPad& from,
  52                             const AliMpIntPair& direction) const;
  53     void      FillPadsVector(Bool_t includeCenter);
  54     Bool_t    IsValid() const;
  55
  56     // private data members
  57     const AliMpSectorSegmentation* fkSegmentation; // The sector segmentation
  58                                                    // over which to iterate
  59     AliMpPad   fCenterPad; // Pad arround which we iterate
  60     PadVector  fPads;      // The list of pad arround fCenterIndices
  61     UInt_t     fIndex;     // Current index inside the fPads vector
  62
  63   ClassDef(AliMpNeighboursPadIterator,1) // iterator over motif's pads
  64 };
  65
  66 #endif // ALI_MP_NEIGHBOURS_PAD_ITERATOR_H