[Insight-users] How to make the input of a filter to its output

[Pan Ross]

I want to make the input of a filter to its output. But I do not know how to do it. I have write the following code, but there are some errors when I run the program. Could anyone help me?
 
ImageType::Pointer workImage;
workImage = imageReader->GetOutput();
...
...
 FlipFilterType::Pointer flip = FlipFilterType::New();
 flip->SetInput(workImage);
 FlipFilterType::FlipAxesArrayType flipAxesSet=flip->GetFlipAxes();
 flipAxesSet[1]=true;
 flip->SetFlipAxes(flipAxesSet);
 workImage = flip->GetOutput();
 
the error is:
itk::InvalidRequestedRegionError @ 0x0012eeec 




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