#ifndef MGEOMPIX_H
#define MGEOMPIX_H

#ifndef MAGIC_H
#include "MAGIC.h"
#endif

class MGeomPix : public TObject
{ 
private:
  Float_t fX;  // the x coordinate
  Float_t fY;  // the y coordinate
  Float_t fR;  // the r coordinate

  Byte_t  fNumNeighbors; // number of valid neighbors
  Short_t fNeighbors[6]; // the IDs of the pixel next to it
                         // we are assuming an hexagonal geometry

public:
  MGeomPix(Float_t x=0. , Float_t y=0., Float_t r=0.) ;
  
  void Print(Option_t *opt=NULL) ;

  void Set (Float_t x, Float_t y, Float_t r) { fX=x; fY=y; fR=r; }

  void SetNeighbors(Short_t i0=-1, Short_t i1=-1, Short_t i2=-1,
                    Short_t i3=-1, Short_t i4=-1, Short_t i5=-1);
  
  void SetX (Float_t x) { fX = x; }
  void SetY (Float_t y) { fY = y; }
  void SetR (Float_t r) { fR = r; }

  Float_t GetX() const  { return fX; }
  Float_t GetY() const  { return fY; }
  Float_t GetR() const  { return fR; }

  Byte_t GetNumNeighbors() const { return fNumNeighbors; }
  Short_t GetNeighbor(Byte_t i) const { return fNeighbors[i]; }

  ClassDef(MGeomPix, 1)		// Geometric class for one pixel
} ; 

#endif