Dear Kiyotaka Nemoto,
I can't confirm this with the latest SPM5 version here. If it is not
SPM, the failure you observe could be due to file system problems (out
of disk space, permissions, file locking by another application).
Volkmar
On Wed, 2008-01-02 at 22:54 +0900, Kiyotaka Nemoto wrote:
> Dear SPM developers,
>
> I came across with a problem when I try to reorient .nii images via
> display button with the latest Update 1048. I think this may be a bug,
> so I report the problem.
>
> Below is what I did.
>
> 1) Dicom files were converted to an Nifti image with Jolinda Smmith's
> MRIConvert. Files are stored as a single nii file.
>
> 2) An nii image was displayed with "Display" function. SPM5 displays
> the image without any problems.
>
> 3) I set AC-PC manually and push "Reorient images...", reorienting the image.
>
> 4) Then I get into trouble. The graphics window went white only with a
> frame and an error message in Matlab says, "Image cannot be
> resampled..." "file too small"
>
> 5) I checked the file size and saw that now the nii file I tried to
> reorient is only 348 bytes, which is the same as usual .hdr files.
> That is, nii file with a header and an image (over 20Mbytes) was
> replaced with a mere header information and image itself was lost...
> So, this must have something to do with handling header information of
> nii format.
>
> I checked the following to make sure that this is a problem of
> handling nii format and this doesn't happen with previous versions;
>
> A) I prepared Analyze format images (.hdr and .img files) and went
> through the same procedure I described above. This time everything
> works fine.
>
> B) I re-installed SPM5 in a different directory, and applied Update
> 958 (the last update). This also worked fine. Nii files were handled
> correctly.
>
> Below is my computer environment, (though I think it is not so
> important since Update958 works fine with this environment...)
>
> CPU: Athlon64 3800+
> OS: openSUSE 10.3 64bit
> Matlab: R2007b 7.5.0.338 (64bit)
> gcc: 4.2.1
>
>
> Any advice or proposal would be appreciated.
>
> Best regards and wish you a happy new year!
>
> Kiyotaka
>
>
--
Volkmar Glauche
Freiburg Brain Imaging
http://fbi.uniklinik-freiburg.de/
Phone +49(0)761 270-5331
Fax +49(0)761 270-5416
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