[Insight-users] VTK to ITK conversion problem

[Luis Ibanez]

Hi itkvtk123,

Just replace your current expression:

    Im3DType::Pointer result = conv->GetOutput();

with

    Im3DType::ConstPointer result = conv->GetOutput();


The Outputs of filters are "const" objects, so you should
assign them to ConstPointers ( these are SmartPointers
to const objects).


    Regards,


         Luis


-------------------------------------------------------------------
On Mon, Oct 19, 2009 at 7:28 PM,  <itkvtk123 at gmx.net> wrote:
> Hey,
>
> I can't get the VTK to ITK converter to work.
> I'm always getting
>
> "error C2440: 'initializing' : cannot convert from 'const itk::Image<TPixel,VImageDimension> *' to 'itk::SmartPointer<TObjectType>'"
>
>
> Minimalistic code example:
>
> vtkImageData* vtkData = vtkImageData::New();
>
> //read in some vtk data
>
> //now try to convert to itk
> typedef unsigned short PixTyp;
> typedef itk::Image<PixTyp, 3> Im3DType;
>
> typedef itk::VTKImageToImageFilter<Im3DType> VTKConverter3DType;
> VTKConverter3DType::Pointer conv = VTKConverter3DType::New();
>
> conv->SetInput(vtkData);
> conv->Update();
> Im3DType::Pointer result = conv->GetOutput();   //-> C2440
>
>
> Thanks a lot
> --

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