topology.h

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#ifndef AIMS_TOPOLOGY_TOPOLOGY_H
#define AIMS_TOPOLOGY_TOPOLOGY_H

#include <aims/data/data.h>
#include <aims/topology/topoBase.h>


template< class T >
class Topology : public TopologyBase
{
public:

  Topology( const AimsData< T >& );

  void fillNeighborhood( const Point3d&, int );
  void fillNeighborhood( const Point3d&, int, int );
  void fillNeighborhoodComplement( const Point3d&, int );

private:

  void init( const AimsData< T >& );

  AimsData< T > _data;
};


template< class T > inline
Topology< T >::Topology( const AimsData< T >& d ) : TopologyBase()
{
  init( d );
}


template< class T > inline
void Topology< T >::init( const AimsData< T >& d )
{
  if ( d.borderWidth() == 0 )
    {
      int dx = d.dimX(), dy = d.dimY(), dz = d.dimZ();
      int x, y, z;
      
      _data = AimsData< T >( dx, dy, dz, 1, 1 );
      _data.setSizeXYZT( d.sizeX(), d.sizeY(), d.sizeZ() );
      
      for ( z=0; z<dz; z++ )
        for ( y=0; y<dy; y++ )
          for ( x=0; x<dx; x++ )
            _data( x, y, z ) = d( x, y, z );
    }
  else  _data = d;
  
  _data.fillBorder( (T)0 );
}


template< class T > inline
void Topology< T >::fillNeighborhood( const Point3d& pt, int label )
{
  if ( pt[0] > 0 && pt[1] > 0 && pt[2] > 0 && pt[0] < _data.dimX()-1 &&
       pt[1] < _data.dimY()-1 && pt[2] < _data.dimZ()-1 )
    {
      Point3d dep;

      myX[ 0 ] = 0;

      int *xptr = myX + 1;
      for ( int i=1; i<27; i++ )
        {
          dep = pt + connex26.deplacement( i );
          *xptr++ = ( _data( dep ) == (T)label );
        }
    }
  else  _cstar = _cbar = 0;
}


template< class T > inline
void Topology< T >::fillNeighborhood( const Point3d& pt, int lb1, int lb2 )
{
  if ( pt[0] > 0 && pt[1] > 0 && pt[2] > 0 && pt[0] < _data.dimX()-1 &&
       pt[1] < _data.dimY()-1 && pt[2] < _data.dimZ()-1 )
    {
      Point3d dep;
      T temp;

      myX[ 0 ] = 0;

      int *xptr = myX + 1;
      for ( int i=1; i<27; i++ )
        {
          dep = pt + connex26.deplacement( i );
          temp = _data( dep );
          *xptr++ = ( temp == (T)lb1 ) || ( temp == (T)lb2 );
        }
    }
  else  _cstar = _cbar = 0;
}


template< class T > inline
void Topology< T >::fillNeighborhoodComplement( const Point3d& pt, int label )
{
  if ( pt[0] > 0 && pt[1] > 0 && pt[2] > 0 && pt[0] < _data.dimX()-1 &&
       pt[1] < _data.dimY()-1 && pt[2] < _data.dimZ()-1 )
    {
      Point3d dep;

      myX[ 0 ] = 0;

      int *xptr = myX + 1;
      for ( int i=1; i<27; i++ )
        {
          dep = pt + connex26.deplacement( i );
          *xptr++ = ( _data( dep ) != (T)label );
        }
    }
  else  _cstar = _cbar = 0;
}

#endif