18 #ifndef itkForwardDifferenceOperator_h
19 #define itkForwardDifferenceOperator_h
46 template <
typename TPixel,
unsigned int VDimension = 2,
typename TAllocator = NeighborhoodAllocator<TPixel>>
67 GenerateCoefficients()
override;
73 this->FillCenteredDirectional(coeff);
79 #ifndef ITK_MANUAL_INSTANTIATION
80 # include "itkForwardDifferenceOperator.hxx"