lib/fpa/Image/Dijkstra.hxx

   1 #ifndef __FPA__IMAGE__DIJKSTRA__HXX__
   2 #define __FPA__IMAGE__DIJKSTRA__HXX__
   3
   4 #include <limits>
   5
   6 // -------------------------------------------------------------------------
   7 template< class I, class O >
   8 fpa::Image::Dijkstra< I, O >::
   9 Dijkstra( )
  10   : Superclass( )
  11 {
  12   this->m_CostFunction = TCostFunction::New( );
  13 }
  14
  15 // -------------------------------------------------------------------------
  16 template< class I, class O >
  17 fpa::Image::Dijkstra< I, O >::
  18 ~Dijkstra( )
  19 {
  20 }
  21
  22 // -------------------------------------------------------------------------
  23 template< class I, class O >
  24 typename fpa::Image::Dijkstra< I, O >::
  25 TResult fpa::Image::Dijkstra< I, O >::
  26 _Cost( const TVertex& v, const TVertex& p ) const
  27 {
  28   if( this->_HasEdge( v, p ) )
  29   {
  30     TResult c = this->m_CostFunction->Evaluate( v, p );
  31     if( this->m_ConversionFunction.IsNotNull( ) )
  32       c = this->m_ConversionFunction->Evaluate( c );
  33     return( c );
  34   }
  35   else
  36     return( std::numeric_limits< TResult >::max( ) );
  37 }
  38
  39 // -------------------------------------------------------------------------
  40 template< class I, class O >
  41 void fpa::Image::Dijkstra< I, O >::
  42 _BeforeGenerateData( )
  43 {
  44   this->Superclass::_BeforeGenerateData( );
  45   this->m_CostFunction->SetInputImage( this->GetInput( ) );
  46 }
  47
  48 // -------------------------------------------------------------------------
  49 template< class I, class O >
  50 void fpa::Image::Dijkstra< I, O >::
  51 _InitResults( )
  52 {
  53   this->Superclass::_InitResults( );
  54   this->GetOutput( )->FillBuffer( TResult( 0 ) );
  55 }
  56
  57 #endif // __FPA__IMAGE__DIJKSTRA__HXX__
  58
  59 // eof - $RCSfile$