lib/fpa/Image/Functors/GradientImageFunctionBase.hxx

   1 #ifndef __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
   2 #define __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
   3
   4 // -------------------------------------------------------------------------
   5 template< class _TGradient >
   6 void fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
   7 Prepare( ) const
   8 {
   9 }
  10
  11 // -------------------------------------------------------------------------
  12 template< class _TGradient >
  13 typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  14 TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  15 Evaluate( const TPoint& p ) const
  16 {
  17   TIndex i;
  18   this->GetInputImage( )->TransformPhysicalPointToIndex( p, i );
  19   return( this->EvaluateAtIndex( i ) );
  20 }
  21
  22 // -------------------------------------------------------------------------
  23 template< class _TGradient >
  24 typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  25 TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  26 EvaluateAtIndex( const TIndex& i ) const
  27 {
  28   return( this->_Evaluate( i ) );
  29 }
  30
  31 // -------------------------------------------------------------------------
  32 template< class _TGradient >
  33 typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  34 TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  35 EvaluateAtContinuousIndex( const TContIndex& i ) const
  36 {
  37   TPoint p;
  38   this->GetInputImage( )->TransformContinuousIndexToPhysicalPoint( i, p );
  39   return( this->Evaluate( p ) );
  40 }
  41
  42 // -------------------------------------------------------------------------
  43 template< class _TGradient >
  44 fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  45 GradientImageFunctionBase( )
  46   : Superclass( )
  47 {
  48 }
  49
  50 // -------------------------------------------------------------------------
  51 template< class _TGradient >
  52 fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
  53 ~GradientImageFunctionBase( )
  54 {
  55 }
  56
  57 #endif // __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
  58
  59 // eof - $RCSfile$