[MINC-users] mnc2nii

[Najmeh Khalili M.]

Soren,

You can use FSL's "correctheader" command to fix that. But ONLT
if you have 4 missing bytes and get the warning message you
posted.

Without this correction, your data might be shifted by one voxel.

Cheers
Naj

On Mon, 15 Oct 2007, Andrew Janke wrote:

> On 10/15/07, Soren Christensen <sorench at gmail.com> wrote:
> > Hi,
> >  I noticed that FSL 4.0 complains over the .nii files created by mnc2nii.
> > ++ WARNING: nifti_read_buffer(tmp.nii):
> >    data bytes needed = 2097152
> >    data bytes input  = 2097148
> >    number missing    = 4 (set to 0)
> >
> > Apparently it is triggered by the use of a new nifti library in the
> > FSL package. Does anyone know if there is a bug (in FSL or mnc2nii)
> > and if it has any consequences (a pixel or 2 are nulled pherhaps)?
>
> Hi Soren,
>
> Yes this is correct from what I understand. The new version of MINC
> (in the 2.X chain) fixes this by linking with the new niftilib as
> well.
>
> The simple fix is to use .hdr/.img files instead of a .nii from what I
> understand it is because of a ambiguity in the spec WRT NifTI/Analyze.
>
>
> a
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