[vtkusers] vtkDICOMImageReader GetSpacing get z spaging 0

[Flaviu2]

 Hi all of you.
I have an vtkDICOMImageReader object, named m_pDICOMReader, used into app that made multiplanar reconstruction.
In order to do that, I get origin, spacing and extend, just like this:
m_pDICOMReader->GetOutput()->GetExtent(nExtent);m_pDICOMReader->GetOutput()->GetSpacing(dSpacing);m_pDICOMReader->GetOutput()->GetOrigin(dOrigin);
but I noticed that on some CT with 1.255 mm, with many slices (778 slices), the z spacing (dSpacing[2]) is 0... why ? Could you help me ?
Thank you.
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