[Insight-developers] RE: ShapedNeighborhoodIterators

[Joshua Cates]

Jim,

Assignment operators on the shaped iterators should be working properly 
now.  Let me know if you run into any more problems.

Josh.


On Tue, 27 May 2003, Miller, James V (Research) wrote:

> Josh,
> 
> First problem encountered using the ShapedIterators. I cannot do a 
> 
> ConstShapedNeighbhorhoodIterator nIt;
> 
> I get a compiler error for operator=() saying that "A reference that is not
> to 'const' cannot be bound to a non-lvalue".  This is with VC .NET.  
> 
> c:\projects\I2\Insight\Code\Common\itkConstShapedNeighborhoodIterator.h(232)
> : error C2440: 'return' : cannot convert from
> 'itk::NeighborhoodIterator<TImage,TBoundaryCondition>::Self' to
> 'itk::ConstShapedNeighborhoodIterator<TImage,TBoundaryCondition>::Self &'
>         with
>         [
>             TImage=InputImageType,
>  
> TBoundaryCondition=itk::ZeroFluxNeumannBoundaryCondition<InputImageType>
>         ]
>         and
>         [
>             TImage=InputImageType,
>  
> TBoundaryCondition=itk::ZeroFluxNeumannBoundaryCondition<InputImageType>
>         ]
>         A reference that is not to 'const' cannot be bound to a non-lvalue
>  
> c:\projects\I2\Insight\Code\Common\itkConstShapedNeighborhoodIterator.h(232)
> : while compiling class-template member function
> 'itk::ConstShapedNeighborhoodIterator<TImage,TBoundaryCondition>::Self
> &itk::ConstShapedNeighborhoodIterator<TImage,TBoundaryCondition>::operator
> =(const
> itk::ConstShapedNeighborhoodIterator<TImage,TBoundaryCondition>::Self &)'
>         with
>         [
>             TImage=InputImageType,
>  
> TBoundaryCondition=itk::ZeroFluxNeumannBoundaryCondition<InputImageType>
>         ]
>  
> c:\projects\I2\Insight\Code\BasicFilters\itkGrayscaleGeodesicErodeImageFilte
> r.txx(289) : see reference to class template instantiation
> 'itk::ConstShapedNeighborhoodIterator<TImage,TBoundaryCondition>' being
> compiled
>         with
>         [
>             TImage=InputImageType,
>  
> TBoundaryCondition=itk::ZeroFluxNeumannBoundaryCondition<InputImageType>
>         ]
>         C:\Program Files\Microsoft Visual Studio
> .NET\Vc7\include\xmemory(136) : while compiling class-template member
> function 'void
> itk::GrayscaleGeodesicErodeImageFilter<TInputImage,TOutputImage>::ThreadedGe
> nerateData(const
> itk::GrayscaleGeodesicErodeImageFilter<TInputImage,TOutputImage>::OutputImag
> eRegionType &,int)'
>         with
>         [
>             TInputImage=InputImageType,
>             TOutputImage=OutputImageType
>         ]
>  
> \projects\I2\Insight\Examples\Filtering\GrayscaleGeodesicErosion.cxx(116) :
> see reference to class template instantiation
> 'itk::GrayscaleGeodesicErodeImageFilter<TInputImage,TOutputImage>' being
> compiled
>         with
>         [
>             TInputImage=InputImageType,
>             TOutputImage=OutputImageType
>         ]
>