Hello,
I want to filter 4D data series. I have a mitk::Image and determined the time 
steps. At my one and only img node there are n volumes. Besides that I have to 
convert them to itk images and back. So how can I filter them all? 

mitk::Image::Pointer img = dynamic_cast<mitk::Image*>( node->GetData() );       
        
if (img.IsNotNull()) 
{
unsigned int timeSteps=(node->GetData()->GetTimeSteps()); 
mitk::ImageDataItem* imgDatItem;???
imgDatItem->GetVolumeData(x,y)->GetData();???

typedef unsigned short pixelType;
typedef itk::Image <pixelType, 3> ItkImageType;

mitk::ImageToItk<ItkImageType>::Pointer toItkFilter = 
mitk::ImageToItk<ItkImageType>::New();
toItkFilter->SetInput(img);
toItkFilter->Update();
ItkImageType::Pointer itkImage = toItkFilter->GetOutput();

Thanks to all responses
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