[Insight-users] VTKImageToImageFilter causes seg faults

[Markus Mehrwald]

Hello,

I try to use a vtk image in itk via the VTKImageToImageFilter but for 
some reasons I always get a segmentation fault. I tried several code 
snippets but none of them works. It is always the same problem.
I need two images so I created two connectors but only one works no 
matter if I create two instances or only one new for every image. The 
code for both images is the same. Below I have some of my snippets. The 
image type in vtk is structured points.

1)
typedef VTKImageToImageFilter<Image3DType> ConnectorType;
connector = ConnectorType::New();
connector->SetInput(vtkimage);
connector->GetImporter()->Update();
fixed = connector->GetOutput();
//using "fixed" in other filter pipelines causes the seg fault on update

2)
connector = ConnectorType::New();
connector->SetInput(vtkimage);
connector->GetImporter()->Update();
itk::ImageDuplicator<Image3DType>::Pointer dup = 
itk::ImageDuplicator<Image3DType>::New();
dup->SetInputImage(connector->GetOutput());
dup->Update();  //causes the seg fault on calling memcpy
fixed = dup->GetOutput();

The second example fails for every image and the first on only after the 
second image.
Can anyone please help me finding the problem?

Thanks
Markus